diff options
| author | Bond-009 <bond.009@outlook.com> | 2019-03-07 21:08:57 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-03-07 21:08:57 +0100 |
| commit | 10a0d6bdba821449abfb1d48e9708ba6f3fc6a62 (patch) | |
| tree | 602be322daedca127ba66de07837ac8e792730a7 /SocketHttpListener | |
| parent | ae0ecc1b10982d9240ecdcc82cb7299fc708aafb (diff) | |
| parent | 0abe57e930e44eab9566991f33b089d1e61cfb83 (diff) | |
Merge pull request #1010 from cvium/kestrel_poc
Remove System.Net and port to Kestrel
Diffstat (limited to 'SocketHttpListener')
59 files changed, 0 insertions, 10044 deletions
diff --git a/SocketHttpListener/ByteOrder.cs b/SocketHttpListener/ByteOrder.cs deleted file mode 100644 index c04150c74..000000000 --- a/SocketHttpListener/ByteOrder.cs +++ /dev/null @@ -1,17 +0,0 @@ -namespace SocketHttpListener -{ - /// <summary> - /// Contains the values that indicate whether the byte order is a Little-endian or Big-endian. - /// </summary> - public enum ByteOrder : byte - { - /// <summary> - /// Indicates a Little-endian. - /// </summary> - Little, - /// <summary> - /// Indicates a Big-endian. - /// </summary> - Big - } -} diff --git a/SocketHttpListener/CloseEventArgs.cs b/SocketHttpListener/CloseEventArgs.cs deleted file mode 100644 index c6460fd23..000000000 --- a/SocketHttpListener/CloseEventArgs.cs +++ /dev/null @@ -1,79 +0,0 @@ -using System; -using System.Text; - -namespace SocketHttpListener -{ - /// <summary> - /// Contains the event data associated with a <see cref="WebSocket.OnClose"/> event. - /// </summary> - /// <remarks> - /// A <see cref="WebSocket.OnClose"/> event occurs when the WebSocket connection has been closed. - /// If you would like to get the reason for the close, you should access the <see cref="Code"/> or - /// <see cref="Reason"/> property. - /// </remarks> - public class CloseEventArgs : EventArgs - { - #region Private Fields - - private bool _clean; - private ushort _code; - private string _reason; - - #endregion - - #region Internal Constructors - - internal CloseEventArgs(PayloadData payload) - { - var data = payload.ApplicationData; - var len = data.Length; - _code = len > 1 - ? data.SubArray(0, 2).ToUInt16(ByteOrder.Big) - : (ushort)CloseStatusCode.NoStatusCode; - - _reason = len > 2 - ? GetUtf8String(data.SubArray(2, len - 2)) - : string.Empty; - } - - private static string GetUtf8String(byte[] bytes) - { - return Encoding.UTF8.GetString(bytes, 0, bytes.Length); - } - - #endregion - - #region Public Properties - - /// <summary> - /// Gets the status code for the close. - /// </summary> - /// <value> - /// A <see cref="ushort"/> that represents the status code for the close if any. - /// </value> - public ushort Code => _code; - - /// <summary> - /// Gets the reason for the close. - /// </summary> - /// <value> - /// A <see cref="string"/> that represents the reason for the close if any. - /// </value> - public string Reason => _reason; - - /// <summary> - /// Gets a value indicating whether the WebSocket connection has been closed cleanly. - /// </summary> - /// <value> - /// <c>true</c> if the WebSocket connection has been closed cleanly; otherwise, <c>false</c>. - /// </value> - public bool WasClean - { - get => _clean; - - internal set => _clean = value; - } - - #endregion - } -} diff --git a/SocketHttpListener/CloseStatusCode.cs b/SocketHttpListener/CloseStatusCode.cs deleted file mode 100644 index 428595bb0..000000000 --- a/SocketHttpListener/CloseStatusCode.cs +++ /dev/null @@ -1,94 +0,0 @@ -namespace SocketHttpListener -{ - /// <summary> - /// Contains the values of the status code for the WebSocket connection close. - /// </summary> - /// <remarks> - /// <para> - /// The values of the status code are defined in - /// <see href="http://tools.ietf.org/html/rfc6455#section-7.4">Section 7.4</see> - /// of RFC 6455. - /// </para> - /// <para> - /// "Reserved value" must not be set as a status code in a close control frame - /// by an endpoint. It's designated for use in applications expecting a status - /// code to indicate that the connection was closed due to the system grounds. - /// </para> - /// </remarks> - public enum CloseStatusCode : ushort - { - /// <summary> - /// Equivalent to close status 1000. - /// Indicates a normal close. - /// </summary> - Normal = 1000, - /// <summary> - /// Equivalent to close status 1001. - /// Indicates that an endpoint is going away. - /// </summary> - Away = 1001, - /// <summary> - /// Equivalent to close status 1002. - /// Indicates that an endpoint is terminating the connection due to a protocol error. - /// </summary> - ProtocolError = 1002, - /// <summary> - /// Equivalent to close status 1003. - /// Indicates that an endpoint is terminating the connection because it has received - /// an unacceptable type message. - /// </summary> - IncorrectData = 1003, - /// <summary> - /// Equivalent to close status 1004. - /// Still undefined. Reserved value. - /// </summary> - Undefined = 1004, - /// <summary> - /// Equivalent to close status 1005. - /// Indicates that no status code was actually present. Reserved value. - /// </summary> - NoStatusCode = 1005, - /// <summary> - /// Equivalent to close status 1006. - /// Indicates that the connection was closed abnormally. Reserved value. - /// </summary> - Abnormal = 1006, - /// <summary> - /// Equivalent to close status 1007. - /// Indicates that an endpoint is terminating the connection because it has received - /// a message that contains a data that isn't consistent with the type of the message. - /// </summary> - InconsistentData = 1007, - /// <summary> - /// Equivalent to close status 1008. - /// Indicates that an endpoint is terminating the connection because it has received - /// a message that violates its policy. - /// </summary> - PolicyViolation = 1008, - /// <summary> - /// Equivalent to close status 1009. - /// Indicates that an endpoint is terminating the connection because it has received - /// a message that is too big to process. - /// </summary> - TooBig = 1009, - /// <summary> - /// Equivalent to close status 1010. - /// Indicates that the client is terminating the connection because it has expected - /// the server to negotiate one or more extension, but the server didn't return them - /// in the handshake response. - /// </summary> - IgnoreExtension = 1010, - /// <summary> - /// Equivalent to close status 1011. - /// Indicates that the server is terminating the connection because it has encountered - /// an unexpected condition that prevented it from fulfilling the request. - /// </summary> - ServerError = 1011, - /// <summary> - /// Equivalent to close status 1015. - /// Indicates that the connection was closed due to a failure to perform a TLS handshake. - /// Reserved value. - /// </summary> - TlsHandshakeFailure = 1015 - } -} diff --git a/SocketHttpListener/CompressionMethod.cs b/SocketHttpListener/CompressionMethod.cs deleted file mode 100644 index d6bcd63d8..000000000 --- a/SocketHttpListener/CompressionMethod.cs +++ /dev/null @@ -1,23 +0,0 @@ -namespace SocketHttpListener -{ - /// <summary> - /// Contains the values of the compression method used to compress the message on the WebSocket - /// connection. - /// </summary> - /// <remarks> - /// The values of the compression method are defined in - /// <see href="http://tools.ietf.org/html/draft-ietf-hybi-permessage-compression-09">Compression - /// Extensions for WebSocket</see>. - /// </remarks> - public enum CompressionMethod : byte - { - /// <summary> - /// Indicates non compression. - /// </summary> - None, - /// <summary> - /// Indicates using DEFLATE. - /// </summary> - Deflate - } -} diff --git a/SocketHttpListener/ErrorEventArgs.cs b/SocketHttpListener/ErrorEventArgs.cs deleted file mode 100644 index 9502d2a15..000000000 --- a/SocketHttpListener/ErrorEventArgs.cs +++ /dev/null @@ -1,42 +0,0 @@ -using System; - -namespace SocketHttpListener -{ - /// <summary> - /// Contains the event data associated with a <see cref="WebSocket.OnError"/> event. - /// </summary> - /// <remarks> - /// A <see cref="WebSocket.OnError"/> event occurs when the <see cref="WebSocket"/> gets an error. - /// If you would like to get the error message, you should access the <see cref="Message"/> - /// property. - /// </remarks> - public class ErrorEventArgs : EventArgs - { - #region Private Fields - - private string _message; - - #endregion - - #region Internal Constructors - - internal ErrorEventArgs(string message) - { - _message = message; - } - - #endregion - - #region Public Properties - - /// <summary> - /// Gets the error message. - /// </summary> - /// <value> - /// A <see cref="string"/> that represents the error message. - /// </value> - public string Message => _message; - - #endregion - } -} diff --git a/SocketHttpListener/Ext.cs b/SocketHttpListener/Ext.cs deleted file mode 100644 index 2b3c67071..000000000 --- a/SocketHttpListener/Ext.cs +++ /dev/null @@ -1,947 +0,0 @@ -using System; -using System.Collections.Generic; -using System.IO; -using System.IO.Compression; -using System.Net; -using System.Text; -using System.Threading.Tasks; -using MediaBrowser.Model.Services; -using HttpStatusCode = SocketHttpListener.Net.HttpStatusCode; -using WebSocketState = System.Net.WebSockets.WebSocketState; - -namespace SocketHttpListener -{ - /// <summary> - /// Provides a set of static methods for the websocket-sharp. - /// </summary> - public static class Ext - { - #region Private Const Fields - - private const string _tspecials = "()<>@,;:\\\"/[]?={} \t"; - - #endregion - - #region Private Methods - - private static MemoryStream compress(this Stream stream) - { - var output = new MemoryStream(); - if (stream.Length == 0) - return output; - - stream.Position = 0; - using (var ds = new DeflateStream(output, CompressionMode.Compress, true)) - { - stream.CopyTo(ds); - //ds.Close(); // "BFINAL" set to 1. - output.Position = 0; - - return output; - } - } - - private static byte[] decompress(this byte[] value) - { - if (value.Length == 0) - return value; - - using (var input = new MemoryStream(value)) - { - return input.decompressToArray(); - } - } - - private static MemoryStream decompress(this Stream stream) - { - var output = new MemoryStream(); - if (stream.Length == 0) - return output; - - stream.Position = 0; - using (var ds = new DeflateStream(stream, CompressionMode.Decompress, true)) - { - ds.CopyTo(output, true); - return output; - } - } - - private static byte[] decompressToArray(this Stream stream) - { - using (var decomp = stream.decompress()) - { - return decomp.ToArray(); - } - } - - private static async Task<byte[]> ReadBytesAsync(this Stream stream, byte[] buffer, int offset, int length) - { - var len = await stream.ReadAsync(buffer, offset, length).ConfigureAwait(false); - if (len < 1) - return buffer.SubArray(0, offset); - - var tmp = 0; - while (len < length) - { - tmp = await stream.ReadAsync(buffer, offset + len, length - len).ConfigureAwait(false); - if (tmp < 1) - { - break; - } - - len += tmp; - } - - return len < length - ? buffer.SubArray(0, offset + len) - : buffer; - } - - private static async Task<bool> ReadBytesAsync(this Stream stream, byte[] buffer, int offset, int length, Stream dest) - { - var bytes = await stream.ReadBytesAsync(buffer, offset, length).ConfigureAwait(false); - var len = bytes.Length; - dest.Write(bytes, 0, len); - - return len == offset + length; - } - - #endregion - - #region Internal Methods - - internal static async Task<byte[]> AppendAsync(this ushort code, string reason) - { - using (var buffer = new MemoryStream()) - { - var tmp = code.ToByteArrayInternally(ByteOrder.Big); - await buffer.WriteAsync(tmp, 0, 2).ConfigureAwait(false); - if (reason != null && reason.Length > 0) - { - tmp = Encoding.UTF8.GetBytes(reason); - await buffer.WriteAsync(tmp, 0, tmp.Length).ConfigureAwait(false); - } - - return buffer.ToArray(); - } - } - - internal static string CheckIfClosable(this WebSocketState state) - { - return state == WebSocketState.CloseSent - ? "While closing the WebSocket connection." - : state == WebSocketState.Closed - ? "The WebSocket connection has already been closed." - : null; - } - - internal static string CheckIfOpen(this WebSocketState state) - { - return state == WebSocketState.Connecting - ? "A WebSocket connection isn't established." - : state == WebSocketState.CloseSent - ? "While closing the WebSocket connection." - : state == WebSocketState.Closed - ? "The WebSocket connection has already been closed." - : null; - } - - internal static string CheckIfValidControlData(this byte[] data, string paramName) - { - return data.Length > 125 - ? string.Format("'{0}' length must be less.", paramName) - : null; - } - - internal static Stream Compress(this Stream stream, CompressionMethod method) - { - return method == CompressionMethod.Deflate - ? stream.compress() - : stream; - } - - internal static bool Contains<T>(this IEnumerable<T> source, Func<T, bool> condition) - { - foreach (T elm in source) - if (condition(elm)) - return true; - - return false; - } - - internal static void CopyTo(this Stream src, Stream dest, bool setDefaultPosition) - { - var readLen = 0; - var bufferLen = 256; - var buffer = new byte[bufferLen]; - while ((readLen = src.Read(buffer, 0, bufferLen)) > 0) - { - dest.Write(buffer, 0, readLen); - } - - if (setDefaultPosition) - dest.Position = 0; - } - - internal static byte[] Decompress(this byte[] value, CompressionMethod method) - { - return method == CompressionMethod.Deflate - ? value.decompress() - : value; - } - - internal static byte[] DecompressToArray(this Stream stream, CompressionMethod method) - { - return method == CompressionMethod.Deflate - ? stream.decompressToArray() - : stream.ToByteArray(); - } - - /// <summary> - /// Determines whether the specified <see cref="int"/> equals the specified <see cref="char"/>, - /// and invokes the specified Action<int> delegate at the same time. - /// </summary> - /// <returns> - /// <c>true</c> if <paramref name="value"/> equals <paramref name="c"/>; - /// otherwise, <c>false</c>. - /// </returns> - /// <param name="value"> - /// An <see cref="int"/> to compare. - /// </param> - /// <param name="c"> - /// A <see cref="char"/> to compare. - /// </param> - /// <param name="action"> - /// An Action<int> delegate that references the method(s) called at - /// the same time as comparing. An <see cref="int"/> parameter to pass to - /// the method(s) is <paramref name="value"/>. - /// </param> - /// <exception cref="ArgumentOutOfRangeException"> - /// <paramref name="value"/> isn't between 0 and 255. - /// </exception> - internal static bool EqualsWith(this int value, char c, Action<int> action) - { - if (value < 0 || value > 255) - throw new ArgumentOutOfRangeException(nameof(value)); - - action(value); - return value == c - 0; - } - - internal static string GetMessage(this CloseStatusCode code) - { - return code == CloseStatusCode.ProtocolError - ? "A WebSocket protocol error has occurred." - : code == CloseStatusCode.IncorrectData - ? "An incorrect data has been received." - : code == CloseStatusCode.Abnormal - ? "An exception has occurred." - : code == CloseStatusCode.InconsistentData - ? "An inconsistent data has been received." - : code == CloseStatusCode.PolicyViolation - ? "A policy violation has occurred." - : code == CloseStatusCode.TooBig - ? "A too big data has been received." - : code == CloseStatusCode.IgnoreExtension - ? "WebSocket client did not receive expected extension(s)." - : code == CloseStatusCode.ServerError - ? "WebSocket server got an internal error." - : code == CloseStatusCode.TlsHandshakeFailure - ? "An error has occurred while handshaking." - : string.Empty; - } - - internal static string GetNameInternal(this string nameAndValue, string separator) - { - var i = nameAndValue.IndexOf(separator); - return i > 0 - ? nameAndValue.Substring(0, i).Trim() - : null; - } - - internal static string GetValueInternal(this string nameAndValue, string separator) - { - var i = nameAndValue.IndexOf(separator); - return i >= 0 && i < nameAndValue.Length - 1 - ? nameAndValue.Substring(i + 1).Trim() - : null; - } - - internal static bool IsCompressionExtension(this string value, CompressionMethod method) - { - return value.StartsWith(method.ToExtensionString()); - } - - internal static bool IsPortNumber(this int value) - { - return value > 0 && value < 65536; - } - - internal static bool IsReserved(this ushort code) - { - return code == (ushort)CloseStatusCode.Undefined || - code == (ushort)CloseStatusCode.NoStatusCode || - code == (ushort)CloseStatusCode.Abnormal || - code == (ushort)CloseStatusCode.TlsHandshakeFailure; - } - - internal static bool IsReserved(this CloseStatusCode code) - { - return code == CloseStatusCode.Undefined || - code == CloseStatusCode.NoStatusCode || - code == CloseStatusCode.Abnormal || - code == CloseStatusCode.TlsHandshakeFailure; - } - - internal static bool IsText(this string value) - { - var len = value.Length; - for (var i = 0; i < len; i++) - { - char c = value[i]; - if (c < 0x20 && !"\r\n\t".Contains(c)) - return false; - - if (c == 0x7f) - return false; - - if (c == '\n' && ++i < len) - { - c = value[i]; - if (!" \t".Contains(c)) - return false; - } - } - - return true; - } - - internal static bool IsToken(this string value) - { - foreach (char c in value) - if (c < 0x20 || c >= 0x7f || _tspecials.Contains(c)) - return false; - - return true; - } - - internal static string Quote(this string value) - { - return value.IsToken() - ? value - : string.Format("\"{0}\"", value.Replace("\"", "\\\"")); - } - - internal static Task<byte[]> ReadBytesAsync(this Stream stream, int length) - => stream.ReadBytesAsync(new byte[length], 0, length); - - internal static async Task<byte[]> ReadBytesAsync(this Stream stream, long length, int bufferLength) - { - using (var result = new MemoryStream()) - { - var count = length / bufferLength; - var rem = (int)(length % bufferLength); - - var buffer = new byte[bufferLength]; - var end = false; - for (long i = 0; i < count; i++) - { - if (!await stream.ReadBytesAsync(buffer, 0, bufferLength, result).ConfigureAwait(false)) - { - end = true; - break; - } - } - - if (!end && rem > 0) - { - await stream.ReadBytesAsync(new byte[rem], 0, rem, result).ConfigureAwait(false); - } - - return result.ToArray(); - } - } - - internal static string RemovePrefix(this string value, params string[] prefixes) - { - var i = 0; - foreach (var prefix in prefixes) - { - if (value.StartsWith(prefix)) - { - i = prefix.Length; - break; - } - } - - return i > 0 - ? value.Substring(i) - : value; - } - - internal static T[] Reverse<T>(this T[] array) - { - var len = array.Length; - T[] reverse = new T[len]; - - var end = len - 1; - for (var i = 0; i <= end; i++) - reverse[i] = array[end - i]; - - return reverse; - } - - internal static IEnumerable<string> SplitHeaderValue( - this string value, params char[] separator) - { - var len = value.Length; - var separators = new string(separator); - - var buffer = new StringBuilder(32); - var quoted = false; - var escaped = false; - - char c; - for (var i = 0; i < len; i++) - { - c = value[i]; - if (c == '"') - { - if (escaped) - escaped = !escaped; - else - quoted = !quoted; - } - else if (c == '\\') - { - if (i < len - 1 && value[i + 1] == '"') - escaped = true; - } - else if (separators.Contains(c)) - { - if (!quoted) - { - yield return buffer.ToString(); - buffer.Length = 0; - - continue; - } - } - else - { - } - - buffer.Append(c); - } - - if (buffer.Length > 0) - yield return buffer.ToString(); - } - - internal static byte[] ToByteArray(this Stream stream) - { - using (var output = new MemoryStream()) - { - stream.Position = 0; - stream.CopyTo(output); - - return output.ToArray(); - } - } - - internal static byte[] ToByteArrayInternally(this ushort value, ByteOrder order) - { - var bytes = BitConverter.GetBytes(value); - if (!order.IsHostOrder()) - Array.Reverse(bytes); - - return bytes; - } - - internal static byte[] ToByteArrayInternally(this ulong value, ByteOrder order) - { - var bytes = BitConverter.GetBytes(value); - if (!order.IsHostOrder()) - Array.Reverse(bytes); - - return bytes; - } - - internal static string ToExtensionString( - this CompressionMethod method, params string[] parameters) - { - if (method == CompressionMethod.None) - return string.Empty; - - var m = string.Format("permessage-{0}", method.ToString().ToLowerInvariant()); - if (parameters == null || parameters.Length == 0) - return m; - - return string.Format("{0}; {1}", m, parameters.ToString("; ")); - } - - internal static ushort ToUInt16(this byte[] src, ByteOrder srcOrder) - { - src.ToHostOrder(srcOrder); - return BitConverter.ToUInt16(src, 0); - } - - internal static ulong ToUInt64(this byte[] src, ByteOrder srcOrder) - { - src.ToHostOrder(srcOrder); - return BitConverter.ToUInt64(src, 0); - } - - internal static string TrimEndSlash(this string value) - { - value = value.TrimEnd('/'); - return value.Length > 0 - ? value - : "/"; - } - - internal static string Unquote(this string value) - { - var start = value.IndexOf('\"'); - var end = value.LastIndexOf('\"'); - if (start < end) - value = value.Substring(start + 1, end - start - 1).Replace("\\\"", "\""); - - return value.Trim(); - } - - internal static void WriteBytes(this Stream stream, byte[] value) - { - using (var src = new MemoryStream(value)) - { - src.CopyTo(stream); - } - } - - #endregion - - #region Public Methods - - /// <summary> - /// Determines whether the specified <see cref="string"/> contains any of characters - /// in the specified array of <see cref="char"/>. - /// </summary> - /// <returns> - /// <c>true</c> if <paramref name="value"/> contains any of <paramref name="chars"/>; - /// otherwise, <c>false</c>. - /// </returns> - /// <param name="value"> - /// A <see cref="string"/> to test. - /// </param> - /// <param name="chars"> - /// An array of <see cref="char"/> that contains characters to find. - /// </param> - public static bool Contains(this string value, params char[] chars) - { - return chars == null || chars.Length == 0 - ? true - : value == null || value.Length == 0 - ? false - : value.IndexOfAny(chars) != -1; - } - - /// <summary> - /// Determines whether the specified <see cref="QueryParamCollection"/> contains the entry - /// with the specified <paramref name="name"/>. - /// </summary> - /// <returns> - /// <c>true</c> if <paramref name="collection"/> contains the entry - /// with <paramref name="name"/>; otherwise, <c>false</c>. - /// </returns> - /// <param name="collection"> - /// A <see cref="QueryParamCollection"/> to test. - /// </param> - /// <param name="name"> - /// A <see cref="string"/> that represents the key of the entry to find. - /// </param> - public static bool Contains(this QueryParamCollection collection, string name) - { - return collection == null || collection.Count == 0 - ? false - : collection[name] != null; - } - - /// <summary> - /// Determines whether the specified <see cref="QueryParamCollection"/> contains the entry - /// with the specified both <paramref name="name"/> and <paramref name="value"/>. - /// </summary> - /// <returns> - /// <c>true</c> if <paramref name="collection"/> contains the entry - /// with both <paramref name="name"/> and <paramref name="value"/>; - /// otherwise, <c>false</c>. - /// </returns> - /// <param name="collection"> - /// A <see cref="QueryParamCollection"/> to test. - /// </param> - /// <param name="name"> - /// A <see cref="string"/> that represents the key of the entry to find. - /// </param> - /// <param name="value"> - /// A <see cref="string"/> that represents the value of the entry to find. - /// </param> - public static bool Contains(this QueryParamCollection collection, string name, string value) - { - if (collection == null || collection.Count == 0) - return false; - - var values = collection[name]; - if (values == null) - return false; - - foreach (var v in values.Split(',')) - if (v.Trim().Equals(value, StringComparison.OrdinalIgnoreCase)) - return true; - - return false; - } - - /// <summary> - /// Emits the specified <c>EventHandler<TEventArgs></c> delegate - /// if it isn't <see langword="null"/>. - /// </summary> - /// <param name="eventHandler"> - /// An <c>EventHandler<TEventArgs></c> to emit. - /// </param> - /// <param name="sender"> - /// An <see cref="object"/> from which emits this <paramref name="eventHandler"/>. - /// </param> - /// <param name="e"> - /// A <c>TEventArgs</c> that represents the event data. - /// </param> - /// <typeparam name="TEventArgs"> - /// The type of the event data generated by the event. - /// </typeparam> - public static void Emit<TEventArgs>( - this EventHandler<TEventArgs> eventHandler, object sender, TEventArgs e) - where TEventArgs : EventArgs - { - if (eventHandler != null) - eventHandler(sender, e); - } - - /// <summary> - /// Gets the description of the specified HTTP status <paramref name="code"/>. - /// </summary> - /// <returns> - /// A <see cref="string"/> that represents the description of the HTTP status code. - /// </returns> - /// <param name="code"> - /// One of <see cref="HttpStatusCode"/> enum values, indicates the HTTP status codes. - /// </param> - public static string GetDescription(this HttpStatusCode code) - { - return ((int)code).GetStatusDescription(); - } - - /// <summary> - /// Gets the description of the specified HTTP status <paramref name="code"/>. - /// </summary> - /// <returns> - /// A <see cref="string"/> that represents the description of the HTTP status code. - /// </returns> - /// <param name="code"> - /// An <see cref="int"/> that represents the HTTP status code. - /// </param> - public static string GetStatusDescription(this int code) - { - switch (code) - { - case 100: return "Continue"; - case 101: return "Switching Protocols"; - case 102: return "Processing"; - case 200: return "OK"; - case 201: return "Created"; - case 202: return "Accepted"; - case 203: return "Non-Authoritative Information"; - case 204: return "No Content"; - case 205: return "Reset Content"; - case 206: return "Partial Content"; - case 207: return "Multi-Status"; - case 300: return "Multiple Choices"; - case 301: return "Moved Permanently"; - case 302: return "Found"; - case 303: return "See Other"; - case 304: return "Not Modified"; - case 305: return "Use Proxy"; - case 307: return "Temporary Redirect"; - case 400: return "Bad Request"; - case 401: return "Unauthorized"; - case 402: return "Payment Required"; - case 403: return "Forbidden"; - case 404: return "Not Found"; - case 405: return "Method Not Allowed"; - case 406: return "Not Acceptable"; - case 407: return "Proxy Authentication Required"; - case 408: return "Request Timeout"; - case 409: return "Conflict"; - case 410: return "Gone"; - case 411: return "Length Required"; - case 412: return "Precondition Failed"; - case 413: return "Request Entity Too Large"; - case 414: return "Request-Uri Too Long"; - case 415: return "Unsupported Media Type"; - case 416: return "Requested Range Not Satisfiable"; - case 417: return "Expectation Failed"; - case 422: return "Unprocessable Entity"; - case 423: return "Locked"; - case 424: return "Failed Dependency"; - case 500: return "Internal Server Error"; - case 501: return "Not Implemented"; - case 502: return "Bad Gateway"; - case 503: return "Service Unavailable"; - case 504: return "Gateway Timeout"; - case 505: return "Http Version Not Supported"; - case 507: return "Insufficient Storage"; - } - - return string.Empty; - } - - /// <summary> - /// Determines whether the specified <see cref="ByteOrder"/> is host - /// (this computer architecture) byte order. - /// </summary> - /// <returns> - /// <c>true</c> if <paramref name="order"/> is host byte order; - /// otherwise, <c>false</c>. - /// </returns> - /// <param name="order"> - /// One of the <see cref="ByteOrder"/> enum values, to test. - /// </param> - public static bool IsHostOrder(this ByteOrder order) - { - // true : !(true ^ true) or !(false ^ false) - // false: !(true ^ false) or !(false ^ true) - return !(BitConverter.IsLittleEndian ^ (order == ByteOrder.Little)); - } - - /// <summary> - /// Determines whether the specified <see cref="string"/> is a predefined scheme. - /// </summary> - /// <returns> - /// <c>true</c> if <paramref name="value"/> is a predefined scheme; otherwise, <c>false</c>. - /// </returns> - /// <param name="value"> - /// A <see cref="string"/> to test. - /// </param> - public static bool IsPredefinedScheme(this string value) - { - if (value == null || value.Length < 2) - return false; - - var c = value[0]; - if (c == 'h') - return value == "http" || value == "https"; - - if (c == 'w') - return value == "ws" || value == "wss"; - - if (c == 'f') - return value == "file" || value == "ftp"; - - if (c == 'n') - { - c = value[1]; - return c == 'e' - ? value == "news" || value == "net.pipe" || value == "net.tcp" - : value == "nntp"; - } - - return (c == 'g' && value == "gopher") || (c == 'm' && value == "mailto"); - } - - /// <summary> - /// Determines whether the specified <see cref="string"/> is a URI string. - /// </summary> - /// <returns> - /// <c>true</c> if <paramref name="value"/> may be a URI string; otherwise, <c>false</c>. - /// </returns> - /// <param name="value"> - /// A <see cref="string"/> to test. - /// </param> - public static bool MaybeUri(this string value) - { - if (value == null || value.Length == 0) - return false; - - var i = value.IndexOf(':'); - if (i == -1) - return false; - - if (i >= 10) - return false; - - return value.Substring(0, i).IsPredefinedScheme(); - } - - /// <summary> - /// Retrieves a sub-array from the specified <paramref name="array"/>. - /// A sub-array starts at the specified element position. - /// </summary> - /// <returns> - /// An array of T that receives a sub-array, or an empty array of T if any problems - /// with the parameters. - /// </returns> - /// <param name="array"> - /// An array of T that contains the data to retrieve a sub-array. - /// </param> - /// <param name="startIndex"> - /// An <see cref="int"/> that contains the zero-based starting position of a sub-array - /// in <paramref name="array"/>. - /// </param> - /// <param name="length"> - /// An <see cref="int"/> that contains the number of elements to retrieve a sub-array. - /// </param> - /// <typeparam name="T"> - /// The type of elements in the <paramref name="array"/>. - /// </typeparam> - public static T[] SubArray<T>(this T[] array, int startIndex, int length) - { - if (array == null || array.Length == 0) - return new T[0]; - - if (startIndex < 0 || length <= 0) - return new T[0]; - - if (startIndex + length > array.Length) - return new T[0]; - - if (startIndex == 0 && array.Length == length) - return array; - - T[] subArray = new T[length]; - Array.Copy(array, startIndex, subArray, 0, length); - - return subArray; - } - - /// <summary> - /// Converts the order of the specified array of <see cref="byte"/> to the host byte order. - /// </summary> - /// <returns> - /// An array of <see cref="byte"/> converted from <paramref name="src"/>. - /// </returns> - /// <param name="src"> - /// An array of <see cref="byte"/> to convert. - /// </param> - /// <param name="srcOrder"> - /// One of the <see cref="ByteOrder"/> enum values, indicates the byte order of - /// <paramref name="src"/>. - /// </param> - /// <exception cref="ArgumentNullException"> - /// <paramref name="src"/> is <see langword="null"/>. - /// </exception> - public static void ToHostOrder(this byte[] src, ByteOrder srcOrder) - { - if (src == null) - { - throw new ArgumentNullException(nameof(src)); - } - - if (src.Length > 1 && !srcOrder.IsHostOrder()) - { - Array.Reverse(src); - } - } - - /// <summary> - /// Converts the specified <paramref name="array"/> to a <see cref="string"/> that - /// concatenates the each element of <paramref name="array"/> across the specified - /// <paramref name="separator"/>. - /// </summary> - /// <returns> - /// A <see cref="string"/> converted from <paramref name="array"/>, - /// or <see cref="String.Empty"/> if <paramref name="array"/> is empty. - /// </returns> - /// <param name="array"> - /// An array of T to convert. - /// </param> - /// <param name="separator"> - /// A <see cref="string"/> that represents the separator string. - /// </param> - /// <typeparam name="T"> - /// The type of elements in <paramref name="array"/>. - /// </typeparam> - /// <exception cref="ArgumentNullException"> - /// <paramref name="array"/> is <see langword="null"/>. - /// </exception> - public static string ToString<T>(this T[] array, string separator) - { - if (array == null) - throw new ArgumentNullException(nameof(array)); - - var len = array.Length; - if (len == 0) - return string.Empty; - - if (separator == null) - separator = string.Empty; - - var buff = new StringBuilder(64); - (len - 1).Times(i => buff.AppendFormat("{0}{1}", array[i].ToString(), separator)); - - buff.Append(array[len - 1].ToString()); - return buff.ToString(); - } - - /// <summary> - /// Executes the specified <c>Action<int></c> delegate <paramref name="n"/> times. - /// </summary> - /// <param name="n"> - /// An <see cref="int"/> is the number of times to execute. - /// </param> - /// <param name="action"> - /// An <c>Action<int></c> delegate that references the method(s) to execute. - /// An <see cref="int"/> parameter to pass to the method(s) is the zero-based count of - /// iteration. - /// </param> - public static void Times(this int n, Action<int> action) - { - if (n > 0 && action != null) - for (int i = 0; i < n; i++) - action(i); - } - - /// <summary> - /// Converts the specified <see cref="string"/> to a <see cref="Uri"/>. - /// </summary> - /// <returns> - /// A <see cref="Uri"/> converted from <paramref name="uriString"/>, or <see langword="null"/> - /// if <paramref name="uriString"/> isn't successfully converted. - /// </returns> - /// <param name="uriString"> - /// A <see cref="string"/> to convert. - /// </param> - public static Uri ToUri(this string uriString) - { - return Uri.TryCreate( - uriString, uriString.MaybeUri() ? UriKind.Absolute : UriKind.Relative, out var res) - ? res - : null; - } - - /// <summary> - /// URL-decodes the specified <see cref="string"/>. - /// </summary> - /// <returns> - /// A <see cref="string"/> that receives the decoded string, or the <paramref name="value"/> - /// if it's <see langword="null"/> or empty. - /// </returns> - /// <param name="value"> - /// A <see cref="string"/> to decode. - /// </param> - public static string UrlDecode(this string value) - { - return value == null || value.Length == 0 - ? value - : WebUtility.UrlDecode(value); - } - - #endregion - } -} diff --git a/SocketHttpListener/Fin.cs b/SocketHttpListener/Fin.cs deleted file mode 100644 index c8ffbf2b2..000000000 --- a/SocketHttpListener/Fin.cs +++ /dev/null @@ -1,8 +0,0 @@ -namespace SocketHttpListener -{ - internal enum Fin : byte - { - More = 0x0, - Final = 0x1 - } -} diff --git a/SocketHttpListener/HttpBase.cs b/SocketHttpListener/HttpBase.cs deleted file mode 100644 index c386b9374..000000000 --- a/SocketHttpListener/HttpBase.cs +++ /dev/null @@ -1,70 +0,0 @@ -using System; -using System.Text; -using MediaBrowser.Model.Services; - -namespace SocketHttpListener -{ - internal abstract class HttpBase - { - #region Private Fields - - private QueryParamCollection _headers; - private Version _version; - - #endregion - - #region Protected Fields - - protected const string CrLf = "\r\n"; - - #endregion - - #region Protected Constructors - - protected HttpBase(Version version, QueryParamCollection headers) - { - _version = version; - _headers = headers; - } - - #endregion - - #region Public Properties - - public QueryParamCollection Headers => _headers; - - public Version ProtocolVersion => _version; - - #endregion - - #region Private Methods - - private static Encoding getEncoding(string contentType) - { - if (contentType == null || contentType.Length == 0) - return Encoding.UTF8; - - var i = contentType.IndexOf("charset=", StringComparison.Ordinal); - if (i == -1) - return Encoding.UTF8; - - var charset = contentType.Substring(i + 8); - i = charset.IndexOf(';'); - if (i != -1) - charset = charset.Substring(0, i).TrimEnd(); - - return Encoding.GetEncoding(charset.Trim('"')); - } - - #endregion - - #region Public Methods - - public byte[] ToByteArray() - { - return Encoding.UTF8.GetBytes(ToString()); - } - - #endregion - } -} diff --git a/SocketHttpListener/HttpResponse.cs b/SocketHttpListener/HttpResponse.cs deleted file mode 100644 index d5d9b4a1c..000000000 --- a/SocketHttpListener/HttpResponse.cs +++ /dev/null @@ -1,123 +0,0 @@ -using System; -using System.Linq; -using System.Net; -using System.Text; -using MediaBrowser.Model.Services; -using SocketHttpListener.Net; -using HttpStatusCode = SocketHttpListener.Net.HttpStatusCode; -using HttpVersion = SocketHttpListener.Net.HttpVersion; - -namespace SocketHttpListener -{ - internal class HttpResponse : HttpBase - { - #region Private Fields - - private string _code; - private string _reason; - - #endregion - - #region Private Constructors - - private HttpResponse(string code, string reason, Version version, QueryParamCollection headers) - : base(version, headers) - { - _code = code; - _reason = reason; - } - - #endregion - - #region Internal Constructors - - internal HttpResponse(HttpStatusCode code) - : this(code, code.GetDescription()) - { - } - - internal HttpResponse(HttpStatusCode code, string reason) - : this(((int)code).ToString(), reason, HttpVersion.Version11, new QueryParamCollection()) - { - Headers["Server"] = "websocket-sharp/1.0"; - } - - #endregion - - #region Public Properties - - public CookieCollection Cookies => GetCookies(Headers, true); - - private static CookieCollection GetCookies(QueryParamCollection headers, bool response) - { - var name = response ? "Set-Cookie" : "Cookie"; - return headers == null || !headers.Contains(name) - ? new CookieCollection() - : CookieHelper.Parse(headers[name], response); - } - - public bool IsProxyAuthenticationRequired => _code == "407"; - - public bool IsUnauthorized => _code == "401"; - - public bool IsWebSocketResponse - { - get - { - var headers = Headers; - return ProtocolVersion > HttpVersion.Version10 && - _code == "101" && - headers.Contains("Upgrade", "websocket") && - headers.Contains("Connection", "Upgrade"); - } - } - - public string Reason => _reason; - - public string StatusCode => _code; - - #endregion - - #region Internal Methods - - internal static HttpResponse CreateCloseResponse(HttpStatusCode code) - { - var res = new HttpResponse(code); - res.Headers["Connection"] = "close"; - - return res; - } - - #endregion - - #region Public Methods - - public void SetCookies(CookieCollection cookies) - { - if (cookies == null || cookies.Count == 0) - return; - - var headers = Headers; - var sorted = cookies.OfType<Cookie>().OrderBy(i => i.Name).ToList(); - - foreach (var cookie in sorted) - headers.Add("Set-Cookie", cookie.ToString()); - } - - public override string ToString() - { - var output = new StringBuilder(64); - output.AppendFormat("HTTP/{0} {1} {2}{3}", ProtocolVersion, _code, _reason, CrLf); - - var headers = Headers; - foreach (var key in headers.Keys) - output.AppendFormat("{0}: {1}{2}", key, headers[key], CrLf); - - output.Append(CrLf); - - return output.ToString(); - } - - #endregion - } -} diff --git a/SocketHttpListener/Mask.cs b/SocketHttpListener/Mask.cs deleted file mode 100644 index c56f5b08c..000000000 --- a/SocketHttpListener/Mask.cs +++ /dev/null @@ -1,8 +0,0 @@ -namespace SocketHttpListener -{ - internal enum Mask : byte - { - Unmask = 0x0, - Mask = 0x1 - } -} diff --git a/SocketHttpListener/MessageEventArgs.cs b/SocketHttpListener/MessageEventArgs.cs deleted file mode 100644 index 8e2151cb7..000000000 --- a/SocketHttpListener/MessageEventArgs.cs +++ /dev/null @@ -1,84 +0,0 @@ -using System; -using System.Text; - -namespace SocketHttpListener -{ - /// <summary> - /// Contains the event data associated with a <see cref="WebSocket.OnMessage"/> event. - /// </summary> - /// <remarks> - /// A <see cref="WebSocket.OnMessage"/> event occurs when the <see cref="WebSocket"/> receives - /// a text or binary data frame. - /// If you want to get the received data, you access the <see cref="Data"/> or - /// <see cref="RawData"/> property. - /// </remarks> - public class MessageEventArgs : EventArgs - { - #region Private Fields - - private string _data; - private Opcode _opcode; - private byte[] _rawData; - - #endregion - - #region Internal Constructors - - internal MessageEventArgs(Opcode opcode, byte[] data) - { - _opcode = opcode; - _rawData = data; - _data = convertToString(opcode, data); - } - - internal MessageEventArgs(Opcode opcode, PayloadData payload) - { - _opcode = opcode; - _rawData = payload.ApplicationData; - _data = convertToString(opcode, _rawData); - } - - #endregion - - #region Public Properties - - /// <summary> - /// Gets the received data as a <see cref="string"/>. - /// </summary> - /// <value> - /// A <see cref="string"/> that contains the received data. - /// </value> - public string Data => _data; - - /// <summary> - /// Gets the received data as an array of <see cref="byte"/>. - /// </summary> - /// <value> - /// An array of <see cref="byte"/> that contains the received data. - /// </value> - public byte[] RawData => _rawData; - - /// <summary> - /// Gets the type of the received data. - /// </summary> - /// <value> - /// One of the <see cref="Opcode"/> values, indicates the type of the received data. - /// </value> - public Opcode Type => _opcode; - - #endregion - - #region Private Methods - - private static string convertToString(Opcode opcode, byte[] data) - { - return data.Length == 0 - ? string.Empty - : opcode == Opcode.Text - ? Encoding.UTF8.GetString(data, 0, data.Length) - : opcode.ToString(); - } - - #endregion - } -} diff --git a/SocketHttpListener/Net/AuthenticationSchemeSelector.cs b/SocketHttpListener/Net/AuthenticationSchemeSelector.cs deleted file mode 100644 index 77e6d0b8a..000000000 --- a/SocketHttpListener/Net/AuthenticationSchemeSelector.cs +++ /dev/null @@ -1,6 +0,0 @@ -using System.Net; - -namespace SocketHttpListener.Net -{ - public delegate AuthenticationSchemes AuthenticationSchemeSelector(HttpListenerRequest httpRequest); -} diff --git a/SocketHttpListener/Net/AuthenticationTypes.cs b/SocketHttpListener/Net/AuthenticationTypes.cs deleted file mode 100644 index a3dbe9dff..000000000 --- a/SocketHttpListener/Net/AuthenticationTypes.cs +++ /dev/null @@ -1,9 +0,0 @@ -namespace SocketHttpListener.Net -{ - internal class AuthenticationTypes - { - internal const string NTLM = "NTLM"; - internal const string Negotiate = "Negotiate"; - internal const string Basic = "Basic"; - } -} diff --git a/SocketHttpListener/Net/BoundaryType.cs b/SocketHttpListener/Net/BoundaryType.cs deleted file mode 100644 index da0b22910..000000000 --- a/SocketHttpListener/Net/BoundaryType.cs +++ /dev/null @@ -1,11 +0,0 @@ -namespace SocketHttpListener.Net -{ - internal enum BoundaryType - { - ContentLength = 0, // Content-Length: XXX - Chunked = 1, // Transfer-Encoding: chunked - Multipart = 3, - None = 4, - Invalid = 5, - } -} diff --git a/SocketHttpListener/Net/ChunkStream.cs b/SocketHttpListener/Net/ChunkStream.cs deleted file mode 100644 index 3836947d4..000000000 --- a/SocketHttpListener/Net/ChunkStream.cs +++ /dev/null @@ -1,385 +0,0 @@ -using System; -using System.Collections.Generic; -using System.Globalization; -using System.IO; -using System.Net; -using System.Text; - -namespace SocketHttpListener.Net -{ - // Licensed to the .NET Foundation under one or more agreements. - // See the LICENSE file in the project root for more information. - // - // System.Net.ResponseStream - // - // Author: - // Gonzalo Paniagua Javier (gonzalo@novell.com) - // - // Copyright (c) 2005 Novell, Inc. (http://www.novell.com) - // - // Permission is hereby granted, free of charge, to any person obtaining - // a copy of this software and associated documentation files (the - // "Software"), to deal in the Software without restriction, including - // without limitation the rights to use, copy, modify, merge, publish, - // distribute, sublicense, and/or sell copies of the Software, and to - // permit persons to whom the Software is furnished to do so, subject to - // the following conditions: - // - // The above copyright notice and this permission notice shall be - // included in all copies or substantial portions of the Software. - // - // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE - // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - // - - internal sealed class ChunkStream - { - private enum State - { - None, - PartialSize, - Body, - BodyFinished, - Trailer - } - - private class Chunk - { - public byte[] Bytes; - public int Offset; - - public Chunk(byte[] chunk) - { - Bytes = chunk; - } - - public int Read(byte[] buffer, int offset, int size) - { - int nread = (size > Bytes.Length - Offset) ? Bytes.Length - Offset : size; - Buffer.BlockCopy(Bytes, Offset, buffer, offset, nread); - Offset += nread; - return nread; - } - } - - internal WebHeaderCollection _headers; - private int _chunkSize; - private int _chunkRead; - private int _totalWritten; - private State _state; - private StringBuilder _saved; - private bool _sawCR; - private bool _gotit; - private int _trailerState; - private List<Chunk> _chunks; - - public ChunkStream(WebHeaderCollection headers) - { - _headers = headers; - _saved = new StringBuilder(); - _chunks = new List<Chunk>(); - _chunkSize = -1; - _totalWritten = 0; - } - - public void ResetBuffer() - { - _chunkSize = -1; - _chunkRead = 0; - _totalWritten = 0; - _chunks.Clear(); - } - - public int Read(byte[] buffer, int offset, int size) - { - return ReadFromChunks(buffer, offset, size); - } - - private int ReadFromChunks(byte[] buffer, int offset, int size) - { - int count = _chunks.Count; - int nread = 0; - - var chunksForRemoving = new List<Chunk>(count); - for (int i = 0; i < count; i++) - { - var chunk = _chunks[i]; - - if (chunk.Offset == chunk.Bytes.Length) - { - chunksForRemoving.Add(chunk); - continue; - } - - nread += chunk.Read(buffer, offset + nread, size - nread); - if (nread == size) - break; - } - - foreach (var chunk in chunksForRemoving) - _chunks.Remove(chunk); - - return nread; - } - - public void Write(byte[] buffer, int offset, int size) - { - // Note, the logic here only works when offset is 0 here. - // Otherwise, it would treat "size" as the end offset instead of an actual byte count from offset. - - if (offset < size) - InternalWrite(buffer, ref offset, size); - } - - private void InternalWrite(byte[] buffer, ref int offset, int size) - { - if (_state == State.None || _state == State.PartialSize) - { - _state = GetChunkSize(buffer, ref offset, size); - if (_state == State.PartialSize) - return; - - _saved.Length = 0; - _sawCR = false; - _gotit = false; - } - - if (_state == State.Body && offset < size) - { - _state = ReadBody(buffer, ref offset, size); - if (_state == State.Body) - return; - } - - if (_state == State.BodyFinished && offset < size) - { - _state = ReadCRLF(buffer, ref offset, size); - if (_state == State.BodyFinished) - return; - - _sawCR = false; - } - - if (_state == State.Trailer && offset < size) - { - _state = ReadTrailer(buffer, ref offset, size); - if (_state == State.Trailer) - return; - - _saved.Length = 0; - _sawCR = false; - _gotit = false; - } - - if (offset < size) - InternalWrite(buffer, ref offset, size); - } - - public bool WantMore => (_chunkRead != _chunkSize || _chunkSize != 0 || _state != State.None); - - public bool DataAvailable - { - get - { - int count = _chunks.Count; - for (int i = 0; i < count; i++) - { - var ch = _chunks[i]; - if (ch == null || ch.Bytes == null) - continue; - if (ch.Bytes.Length > 0 && ch.Offset < ch.Bytes.Length) - return (_state != State.Body); - } - return false; - } - } - - public int TotalDataSize => _totalWritten; - - public int ChunkLeft => _chunkSize - _chunkRead; - - private State ReadBody(byte[] buffer, ref int offset, int size) - { - if (_chunkSize == 0) - return State.BodyFinished; - - int diff = size - offset; - if (diff + _chunkRead > _chunkSize) - diff = _chunkSize - _chunkRead; - - byte[] chunk = new byte[diff]; - Buffer.BlockCopy(buffer, offset, chunk, 0, diff); - _chunks.Add(new Chunk(chunk)); - offset += diff; - _chunkRead += diff; - _totalWritten += diff; - - return (_chunkRead == _chunkSize) ? State.BodyFinished : State.Body; - } - - private State GetChunkSize(byte[] buffer, ref int offset, int size) - { - _chunkRead = 0; - _chunkSize = 0; - char c = '\0'; - while (offset < size) - { - c = (char)buffer[offset++]; - if (c == '\r') - { - if (_sawCR) - ThrowProtocolViolation("2 CR found"); - - _sawCR = true; - continue; - } - - if (_sawCR && c == '\n') - break; - - if (c == ' ') - _gotit = true; - - if (!_gotit) - _saved.Append(c); - - if (_saved.Length > 20) - ThrowProtocolViolation("chunk size too long."); - } - - if (!_sawCR || c != '\n') - { - if (offset < size) - ThrowProtocolViolation("Missing \\n"); - - try - { - if (_saved.Length > 0) - { - _chunkSize = int.Parse(RemoveChunkExtension(_saved.ToString()), NumberStyles.HexNumber); - } - } - catch (Exception) - { - ThrowProtocolViolation("Cannot parse chunk size."); - } - - return State.PartialSize; - } - - _chunkRead = 0; - try - { - _chunkSize = int.Parse(RemoveChunkExtension(_saved.ToString()), NumberStyles.HexNumber); - } - catch (Exception) - { - ThrowProtocolViolation("Cannot parse chunk size."); - } - - if (_chunkSize == 0) - { - _trailerState = 2; - return State.Trailer; - } - - return State.Body; - } - - private static string RemoveChunkExtension(string input) - { - int idx = input.IndexOf(';'); - if (idx == -1) - return input; - return input.Substring(0, idx); - } - - private State ReadCRLF(byte[] buffer, ref int offset, int size) - { - if (!_sawCR) - { - if ((char)buffer[offset++] != '\r') - ThrowProtocolViolation("Expecting \\r"); - - _sawCR = true; - if (offset == size) - return State.BodyFinished; - } - - if (_sawCR && (char)buffer[offset++] != '\n') - ThrowProtocolViolation("Expecting \\n"); - - return State.None; - } - - private State ReadTrailer(byte[] buffer, ref int offset, int size) - { - char c = '\0'; - - // short path - if (_trailerState == 2 && (char)buffer[offset] == '\r' && _saved.Length == 0) - { - offset++; - if (offset < size && (char)buffer[offset] == '\n') - { - offset++; - return State.None; - } - offset--; - } - - int st = _trailerState; - string stString = "\r\n\r"; - while (offset < size && st < 4) - { - c = (char)buffer[offset++]; - if ((st == 0 || st == 2) && c == '\r') - { - st++; - continue; - } - - if ((st == 1 || st == 3) && c == '\n') - { - st++; - continue; - } - - if (st > 0) - { - _saved.Append(stString.Substring(0, _saved.Length == 0 ? st - 2 : st)); - st = 0; - if (_saved.Length > 4196) - ThrowProtocolViolation("Error reading trailer (too long)."); - } - } - - if (st < 4) - { - _trailerState = st; - if (offset < size) - ThrowProtocolViolation("Error reading trailer."); - - return State.Trailer; - } - - var reader = new StringReader(_saved.ToString()); - string line; - while ((line = reader.ReadLine()) != null && line != "") - _headers.Add(line); - - return State.None; - } - - private static void ThrowProtocolViolation(string message) - { - var we = new WebException(message, null, WebExceptionStatus.ServerProtocolViolation, null); - throw we; - } - } -} diff --git a/SocketHttpListener/Net/ChunkedInputStream.cs b/SocketHttpListener/Net/ChunkedInputStream.cs deleted file mode 100644 index 7aa8529e3..000000000 --- a/SocketHttpListener/Net/ChunkedInputStream.cs +++ /dev/null @@ -1,178 +0,0 @@ -using System; -using System.IO; -using System.Net; - -namespace SocketHttpListener.Net -{ - // Licensed to the .NET Foundation under one or more agreements. - // See the LICENSE file in the project root for more information. - // - // System.Net.ResponseStream - // - // Author: - // Gonzalo Paniagua Javier (gonzalo@novell.com) - // - // Copyright (c) 2005 Novell, Inc. (http://www.novell.com) - // - // Permission is hereby granted, free of charge, to any person obtaining - // a copy of this software and associated documentation files (the - // "Software"), to deal in the Software without restriction, including - // without limitation the rights to use, copy, modify, merge, publish, - // distribute, sublicense, and/or sell copies of the Software, and to - // permit persons to whom the Software is furnished to do so, subject to - // the following conditions: - // - // The above copyright notice and this permission notice shall be - // included in all copies or substantial portions of the Software. - // - // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE - // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - // - - internal sealed class ChunkedInputStream : HttpRequestStream - { - private ChunkStream _decoder; - private readonly HttpListenerContext _context; - private bool _no_more_data; - - private class ReadBufferState - { - public byte[] Buffer; - public int Offset; - public int Count; - public int InitialCount; - public HttpStreamAsyncResult Ares; - public ReadBufferState(byte[] buffer, int offset, int count, HttpStreamAsyncResult ares) - { - Buffer = buffer; - Offset = offset; - Count = count; - InitialCount = count; - Ares = ares; - } - } - - public ChunkedInputStream(HttpListenerContext context, Stream stream, byte[] buffer, int offset, int length) - : base(stream, buffer, offset, length) - { - _context = context; - var coll = (WebHeaderCollection)context.Request.Headers; - _decoder = new ChunkStream(coll); - } - - public ChunkStream Decoder - { - get => _decoder; - set => _decoder = value; - } - - protected override int ReadCore(byte[] buffer, int offset, int count) - { - IAsyncResult ares = BeginReadCore(buffer, offset, count, null, null); - return EndRead(ares); - } - - protected override IAsyncResult BeginReadCore(byte[] buffer, int offset, int size, AsyncCallback cback, object state) - { - var ares = new HttpStreamAsyncResult(this); - ares._callback = cback; - ares._state = state; - if (_no_more_data || size == 0 || _closed) - { - ares.Complete(); - return ares; - } - int nread = _decoder.Read(buffer, offset, size); - offset += nread; - size -= nread; - if (size == 0) - { - // got all we wanted, no need to bother the decoder yet - ares._count = nread; - ares.Complete(); - return ares; - } - if (!_decoder.WantMore) - { - _no_more_data = nread == 0; - ares._count = nread; - ares.Complete(); - return ares; - } - ares._buffer = new byte[8192]; - ares._offset = 0; - ares._count = 8192; - var rb = new ReadBufferState(buffer, offset, size, ares); - rb.InitialCount += nread; - base.BeginReadCore(ares._buffer, ares._offset, ares._count, OnRead, rb); - return ares; - } - - private void OnRead(IAsyncResult base_ares) - { - ReadBufferState rb = (ReadBufferState)base_ares.AsyncState; - var ares = rb.Ares; - try - { - int nread = base.EndRead(base_ares); - if (nread == 0) - { - _no_more_data = true; - ares._count = rb.InitialCount - rb.Count; - ares.Complete(); - return; - } - - _decoder.Write(ares._buffer, ares._offset, nread); - nread = _decoder.Read(rb.Buffer, rb.Offset, rb.Count); - rb.Offset += nread; - rb.Count -= nread; - if (rb.Count == 0 || !_decoder.WantMore) - { - _no_more_data = !_decoder.WantMore && nread == 0; - ares._count = rb.InitialCount - rb.Count; - ares.Complete(); - return; - } - ares._offset = 0; - ares._count = Math.Min(8192, _decoder.ChunkLeft + 6); - base.BeginReadCore(ares._buffer, ares._offset, ares._count, OnRead, rb); - } - catch (Exception e) - { - _context.Connection.SendError(e.Message, 400); - ares.Complete(e); - } - } - - public override int EndRead(IAsyncResult asyncResult) - { - if (asyncResult == null) - throw new ArgumentNullException(nameof(asyncResult)); - - var ares = asyncResult as HttpStreamAsyncResult; - if (ares == null || !ReferenceEquals(this, ares._parent)) - { - throw new ArgumentException("Invalid async result"); - } - if (ares._endCalled) - { - throw new InvalidOperationException("Invalid end call"); - } - ares._endCalled = true; - - if (!asyncResult.IsCompleted) - asyncResult.AsyncWaitHandle.WaitOne(); - - if (ares._error != null) - throw new HttpListenerException((int)HttpStatusCode.BadRequest, "Operation aborted"); - - return ares._count; - } - } -} diff --git a/SocketHttpListener/Net/CookieHelper.cs b/SocketHttpListener/Net/CookieHelper.cs deleted file mode 100644 index 3ad76ff23..000000000 --- a/SocketHttpListener/Net/CookieHelper.cs +++ /dev/null @@ -1,141 +0,0 @@ -using System; -using System.Collections.Generic; -using System.Globalization; -using System.Net; -using System.Text; - -namespace SocketHttpListener.Net -{ - public static class CookieHelper - { - internal static CookieCollection Parse(string value, bool response) - { - return response - ? parseResponse(value) - : null; - } - - private static string[] splitCookieHeaderValue(string value) - { - return new List<string>(value.SplitHeaderValue(',', ';')).ToArray(); - } - - private static CookieCollection parseResponse(string value) - { - var cookies = new CookieCollection(); - - Cookie cookie = null; - var pairs = splitCookieHeaderValue(value); - for (int i = 0; i < pairs.Length; i++) - { - var pair = pairs[i].Trim(); - if (pair.Length == 0) - continue; - - if (pair.StartsWith("version", StringComparison.OrdinalIgnoreCase)) - { - if (cookie != null) - cookie.Version = int.Parse(pair.GetValueInternal("=").Trim('"')); - } - else if (pair.StartsWith("expires", StringComparison.OrdinalIgnoreCase)) - { - var buffer = new StringBuilder(pair.GetValueInternal("="), 32); - if (i < pairs.Length - 1) - buffer.AppendFormat(", {0}", pairs[++i].Trim()); - - if (!DateTime.TryParseExact( - buffer.ToString(), - new[] { "ddd, dd'-'MMM'-'yyyy HH':'mm':'ss 'GMT'", "r" }, - new CultureInfo("en-US"), - DateTimeStyles.AdjustToUniversal | DateTimeStyles.AssumeUniversal, - out var expires)) - expires = DateTime.Now; - - if (cookie != null && cookie.Expires == DateTime.MinValue) - cookie.Expires = expires.ToLocalTime(); - } - else if (pair.StartsWith("max-age", StringComparison.OrdinalIgnoreCase)) - { - var max = int.Parse(pair.GetValueInternal("=").Trim('"')); - var expires = DateTime.Now.AddSeconds((double)max); - if (cookie != null) - cookie.Expires = expires; - } - else if (pair.StartsWith("path", StringComparison.OrdinalIgnoreCase)) - { - if (cookie != null) - cookie.Path = pair.GetValueInternal("="); - } - else if (pair.StartsWith("domain", StringComparison.OrdinalIgnoreCase)) - { - if (cookie != null) - cookie.Domain = pair.GetValueInternal("="); - } - else if (pair.StartsWith("port", StringComparison.OrdinalIgnoreCase)) - { - var port = pair.Equals("port", StringComparison.OrdinalIgnoreCase) - ? "\"\"" - : pair.GetValueInternal("="); - - if (cookie != null) - cookie.Port = port; - } - else if (pair.StartsWith("comment", StringComparison.OrdinalIgnoreCase)) - { - if (cookie != null) - cookie.Comment = pair.GetValueInternal("=").UrlDecode(); - } - else if (pair.StartsWith("commenturl", StringComparison.OrdinalIgnoreCase)) - { - if (cookie != null) - cookie.CommentUri = pair.GetValueInternal("=").Trim('"').ToUri(); - } - else if (pair.StartsWith("discard", StringComparison.OrdinalIgnoreCase)) - { - if (cookie != null) - cookie.Discard = true; - } - else if (pair.StartsWith("secure", StringComparison.OrdinalIgnoreCase)) - { - if (cookie != null) - cookie.Secure = true; - } - else if (pair.StartsWith("httponly", StringComparison.OrdinalIgnoreCase)) - { - if (cookie != null) - cookie.HttpOnly = true; - } - else - { - if (cookie != null) - cookies.Add(cookie); - - string name; - string val = string.Empty; - - var pos = pair.IndexOf('='); - if (pos == -1) - { - name = pair; - } - else if (pos == pair.Length - 1) - { - name = pair.Substring(0, pos).TrimEnd(' '); - } - else - { - name = pair.Substring(0, pos).TrimEnd(' '); - val = pair.Substring(pos + 1).TrimStart(' '); - } - - cookie = new Cookie(name, val); - } - } - - if (cookie != null) - cookies.Add(cookie); - - return cookies; - } - } -} diff --git a/SocketHttpListener/Net/EntitySendFormat.cs b/SocketHttpListener/Net/EntitySendFormat.cs deleted file mode 100644 index 3ed981084..000000000 --- a/SocketHttpListener/Net/EntitySendFormat.cs +++ /dev/null @@ -1,8 +0,0 @@ -namespace SocketHttpListener.Net -{ - internal enum EntitySendFormat - { - ContentLength = 0, // Content-Length: XXX - Chunked = 1, // Transfer-Encoding: chunked - } -} diff --git a/SocketHttpListener/Net/HttpConnection.cs b/SocketHttpListener/Net/HttpConnection.cs deleted file mode 100644 index e89f4ed9b..000000000 --- a/SocketHttpListener/Net/HttpConnection.cs +++ /dev/null @@ -1,528 +0,0 @@ -using System; -using System.IO; -using System.Net; -using System.Net.Security; -using System.Net.Sockets; -using System.Security.Authentication; -using System.Security.Cryptography.X509Certificates; -using System.Text; -using System.Threading; -using System.Threading.Tasks; -using MediaBrowser.Model.Cryptography; -using MediaBrowser.Model.IO; -using MediaBrowser.Model.System; -using Microsoft.Extensions.Logging; -namespace SocketHttpListener.Net -{ - sealed class HttpConnection - { - private static AsyncCallback s_onreadCallback = new AsyncCallback(OnRead); - const int BufferSize = 8192; - Socket _socket; - Stream _stream; - HttpEndPointListener _epl; - MemoryStream _memoryStream; - byte[] _buffer; - HttpListenerContext _context; - StringBuilder _currentLine; - ListenerPrefix _prefix; - HttpRequestStream _requestStream; - HttpResponseStream _responseStream; - bool _chunked; - int _reuses; - bool _contextBound; - bool secure; - IPEndPoint local_ep; - HttpListener _lastListener; - X509Certificate cert; - SslStream ssl_stream; - - private readonly ILogger _logger; - private readonly ICryptoProvider _cryptoProvider; - private readonly IStreamHelper _streamHelper; - private readonly IFileSystem _fileSystem; - private readonly IEnvironmentInfo _environment; - - public HttpConnection(ILogger logger, Socket socket, HttpEndPointListener epl, bool secure, - X509Certificate cert, ICryptoProvider cryptoProvider, IStreamHelper streamHelper, IFileSystem fileSystem, - IEnvironmentInfo environment) - { - _logger = logger; - this._socket = socket; - this._epl = epl; - this.secure = secure; - this.cert = cert; - _cryptoProvider = cryptoProvider; - _streamHelper = streamHelper; - _fileSystem = fileSystem; - _environment = environment; - - if (secure == false) - { - _stream = new SocketStream(_socket, false); - } - else - { - ssl_stream = new SslStream(new SocketStream(_socket, false), false, (t, c, ch, e) => - { - if (c == null) - { - return true; - } - - //var c2 = c as X509Certificate2; - //if (c2 == null) - //{ - // c2 = new X509Certificate2(c.GetRawCertData()); - //} - - //_clientCert = c2; - //_clientCertErrors = new int[] { (int)e }; - return true; - }); - - _stream = ssl_stream; - } - } - - public Stream Stream => _stream; - - public async Task Init() - { - if (ssl_stream != null) - { - var enableAsync = true; - if (enableAsync) - { - await ssl_stream.AuthenticateAsServerAsync(cert, false, (SslProtocols)ServicePointManager.SecurityProtocol, false).ConfigureAwait(false); - } - else - { - ssl_stream.AuthenticateAsServer(cert, false, (SslProtocols)ServicePointManager.SecurityProtocol, false); - } - } - - InitInternal(); - } - - private void InitInternal() - { - _contextBound = false; - _requestStream = null; - _responseStream = null; - _prefix = null; - _chunked = false; - _memoryStream = new MemoryStream(); - _position = 0; - _inputState = InputState.RequestLine; - _lineState = LineState.None; - _context = new HttpListenerContext(this); - } - - public bool IsClosed => (_socket == null); - - public int Reuses => _reuses; - - public IPEndPoint LocalEndPoint - { - get - { - if (local_ep != null) - return local_ep; - - local_ep = (IPEndPoint)_socket.LocalEndPoint; - return local_ep; - } - } - - public IPEndPoint RemoteEndPoint => _socket.RemoteEndPoint as IPEndPoint; - - public bool IsSecure => secure; - - public ListenerPrefix Prefix - { - get => _prefix; - set => _prefix = value; - } - - private void OnTimeout(object unused) - { - //_logger.LogInformation("HttpConnection timer fired"); - CloseSocket(); - Unbind(); - } - - public void BeginReadRequest() - { - if (_buffer == null) - _buffer = new byte[BufferSize]; - try - { - _stream.BeginRead(_buffer, 0, BufferSize, s_onreadCallback, this); - } - catch - { - CloseSocket(); - Unbind(); - } - } - - public HttpRequestStream GetRequestStream(bool chunked, long contentlength) - { - if (_requestStream == null) - { - byte[] buffer = _memoryStream.GetBuffer(); - int length = (int)_memoryStream.Length; - _memoryStream = null; - if (chunked) - { - _chunked = true; - //_context.Response.SendChunked = true; - _requestStream = new ChunkedInputStream(_context, _stream, buffer, _position, length - _position); - } - else - { - _requestStream = new HttpRequestStream(_stream, buffer, _position, length - _position, contentlength); - } - } - return _requestStream; - } - - public HttpResponseStream GetResponseStream(bool isExpect100Continue = false) - { - // TODO: can we get this _stream before reading the input? - if (_responseStream == null) - { - var supportsDirectSocketAccess = !_context.Response.SendChunked && !isExpect100Continue && !secure; - - _responseStream = new HttpResponseStream(_stream, _context.Response, false, _streamHelper, _socket, supportsDirectSocketAccess, _environment, _fileSystem, _logger); - } - return _responseStream; - } - - private static void OnRead(IAsyncResult ares) - { - var cnc = (HttpConnection)ares.AsyncState; - cnc.OnReadInternal(ares); - } - - private void OnReadInternal(IAsyncResult ares) - { - int nread = -1; - try - { - nread = _stream.EndRead(ares); - _memoryStream.Write(_buffer, 0, nread); - if (_memoryStream.Length > 32768) - { - SendError("Bad Request", 400); - Close(true); - return; - } - } - catch - { - if (_memoryStream != null && _memoryStream.Length > 0) - SendError(); - if (_socket != null) - { - CloseSocket(); - Unbind(); - } - return; - } - - if (nread == 0) - { - CloseSocket(); - Unbind(); - return; - } - - if (ProcessInput(_memoryStream)) - { - if (!_context.HaveError) - _context.Request.FinishInitialization(); - - if (_context.HaveError) - { - SendError(); - Close(true); - return; - } - - if (!_epl.BindContext(_context)) - { - const int NotFoundErrorCode = 404; - SendError(HttpStatusDescription.Get(NotFoundErrorCode), NotFoundErrorCode); - Close(true); - return; - } - HttpListener listener = _epl.Listener; - if (_lastListener != listener) - { - RemoveConnection(); - listener.AddConnection(this); - _lastListener = listener; - } - - _contextBound = true; - listener.RegisterContext(_context); - return; - } - _stream.BeginRead(_buffer, 0, BufferSize, s_onreadCallback, this); - } - - private void RemoveConnection() - { - if (_lastListener == null) - _epl.RemoveConnection(this); - else - _lastListener.RemoveConnection(this); - } - - private enum InputState - { - RequestLine, - Headers - } - - private enum LineState - { - None, - CR, - LF - } - - InputState _inputState = InputState.RequestLine; - LineState _lineState = LineState.None; - int _position; - - // true -> done processing - // false -> need more input - private bool ProcessInput(MemoryStream ms) - { - byte[] buffer = ms.GetBuffer(); - int len = (int)ms.Length; - int used = 0; - string line; - - while (true) - { - if (_context.HaveError) - return true; - - if (_position >= len) - break; - - try - { - line = ReadLine(buffer, _position, len - _position, ref used); - _position += used; - } - catch - { - _context.ErrorMessage = "Bad request"; - _context.ErrorStatus = 400; - return true; - } - - if (line == null) - break; - - if (line == "") - { - if (_inputState == InputState.RequestLine) - continue; - _currentLine = null; - ms = null; - return true; - } - - if (_inputState == InputState.RequestLine) - { - _context.Request.SetRequestLine(line); - _inputState = InputState.Headers; - } - else - { - try - { - _context.Request.AddHeader(line); - } - catch (Exception e) - { - _context.ErrorMessage = e.Message; - _context.ErrorStatus = 400; - return true; - } - } - } - - if (used == len) - { - ms.SetLength(0); - _position = 0; - } - return false; - } - - private string ReadLine(byte[] buffer, int offset, int len, ref int used) - { - if (_currentLine == null) - _currentLine = new StringBuilder(128); - int last = offset + len; - used = 0; - for (int i = offset; i < last && _lineState != LineState.LF; i++) - { - used++; - byte b = buffer[i]; - if (b == 13) - { - _lineState = LineState.CR; - } - else if (b == 10) - { - _lineState = LineState.LF; - } - else - { - _currentLine.Append((char)b); - } - } - - string result = null; - if (_lineState == LineState.LF) - { - _lineState = LineState.None; - result = _currentLine.ToString(); - _currentLine.Length = 0; - } - - return result; - } - - public void SendError(string msg, int status) - { - try - { - HttpListenerResponse response = _context.Response; - response.StatusCode = status; - response.ContentType = "text/html"; - string description = HttpStatusDescription.Get(status); - string str; - if (msg != null) - str = string.Format("<h1>{0} ({1})</h1>", description, msg); - else - str = string.Format("<h1>{0}</h1>", description); - - byte[] error = Encoding.UTF8.GetBytes(str); - response.Close(error, false); - } - catch - { - // response was already closed - } - } - - public void SendError() - { - SendError(_context.ErrorMessage, _context.ErrorStatus); - } - - private void Unbind() - { - if (_contextBound) - { - _epl.UnbindContext(_context); - _contextBound = false; - } - } - - public void Close() - { - Close(false); - } - - private void CloseSocket() - { - if (_socket == null) - return; - - try - { - _socket.Close(); - } - catch { } - finally - { - _socket = null; - } - - RemoveConnection(); - } - - internal void Close(bool force) - { - if (_socket != null) - { - Stream st = GetResponseStream(); - if (st != null) - st.Close(); - - _responseStream = null; - } - - if (_socket != null) - { - force |= !_context.Request.KeepAlive; - if (!force) - force = (string.Equals(_context.Response.Headers["connection"], "close", StringComparison.OrdinalIgnoreCase)); - - if (!force && _context.Request.FlushInput()) - { - if (_chunked && _context.Response.ForceCloseChunked == false) - { - // Don't close. Keep working. - _reuses++; - Unbind(); - InitInternal(); - BeginReadRequest(); - return; - } - - _reuses++; - Unbind(); - InitInternal(); - BeginReadRequest(); - return; - } - - Socket s = _socket; - _socket = null; - try - { - if (s != null) - s.Shutdown(SocketShutdown.Both); - } - catch - { - } - finally - { - if (s != null) - { - try - { - s.Close(); - } - catch { } - } - } - Unbind(); - RemoveConnection(); - return; - } - } - } -} diff --git a/SocketHttpListener/Net/HttpEndPointListener.cs b/SocketHttpListener/Net/HttpEndPointListener.cs deleted file mode 100644 index 35d1af648..000000000 --- a/SocketHttpListener/Net/HttpEndPointListener.cs +++ /dev/null @@ -1,526 +0,0 @@ -using System; -using System.Collections.Generic; -using System.Net; -using System.Net.Sockets; -using System.Security.Cryptography.X509Certificates; -using System.Threading; -using MediaBrowser.Model.Cryptography; -using MediaBrowser.Model.IO; -using MediaBrowser.Model.Net; -using MediaBrowser.Model.System; -using Microsoft.Extensions.Logging; - -namespace SocketHttpListener.Net -{ - internal sealed class HttpEndPointListener - { - private HttpListener _listener; - private IPEndPoint _endpoint; - private Socket _socket; - private Dictionary<ListenerPrefix, HttpListener> _prefixes; - private List<ListenerPrefix> _unhandledPrefixes; // host = '*' - private List<ListenerPrefix> _allPrefixes; // host = '+' - private X509Certificate _cert; - private bool _secure; - private Dictionary<HttpConnection, HttpConnection> _unregisteredConnections; - - private readonly ILogger _logger; - private bool _closed; - private bool _enableDualMode; - private readonly ICryptoProvider _cryptoProvider; - private readonly ISocketFactory _socketFactory; - private readonly IStreamHelper _streamHelper; - private readonly IFileSystem _fileSystem; - private readonly IEnvironmentInfo _environment; - - public HttpEndPointListener(HttpListener listener, IPAddress addr, int port, bool secure, X509Certificate cert, - ILogger logger, ICryptoProvider cryptoProvider, ISocketFactory socketFactory, IStreamHelper streamHelper, - IFileSystem fileSystem, IEnvironmentInfo environment) - { - this._listener = listener; - _logger = logger; - _cryptoProvider = cryptoProvider; - _socketFactory = socketFactory; - _streamHelper = streamHelper; - _fileSystem = fileSystem; - _environment = environment; - - this._secure = secure; - this._cert = cert; - - _enableDualMode = addr.Equals(IPAddress.IPv6Any); - _endpoint = new IPEndPoint(addr, port); - - _prefixes = new Dictionary<ListenerPrefix, HttpListener>(); - _unregisteredConnections = new Dictionary<HttpConnection, HttpConnection>(); - - CreateSocket(); - } - - internal HttpListener Listener => _listener; - - private void CreateSocket() - { - try - { - _socket = CreateSocket(_endpoint.Address.AddressFamily, _enableDualMode); - } - catch (SocketCreateException ex) - { - if (_enableDualMode && _endpoint.Address.Equals(IPAddress.IPv6Any) && - (string.Equals(ex.ErrorCode, "AddressFamilyNotSupported", StringComparison.OrdinalIgnoreCase) || - // mono 4.8.1 and lower on bsd is throwing this - string.Equals(ex.ErrorCode, "ProtocolNotSupported", StringComparison.OrdinalIgnoreCase) || - // mono 5.2 on bsd is throwing this - string.Equals(ex.ErrorCode, "OperationNotSupported", StringComparison.OrdinalIgnoreCase))) - { - _endpoint = new IPEndPoint(IPAddress.Any, _endpoint.Port); - _enableDualMode = false; - _socket = CreateSocket(_endpoint.Address.AddressFamily, _enableDualMode); - } - else - { - throw; - } - } - - try - { - _socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true); - } - catch (SocketException) - { - // This is not supported on all operating systems (qnap) - } - - _socket.Bind(_endpoint); - - // This is the number TcpListener uses. - _socket.Listen(2147483647); - - Accept(); - - _closed = false; - } - - private void Accept() - { - var acceptEventArg = new SocketAsyncEventArgs(); - acceptEventArg.UserToken = this; - acceptEventArg.Completed += new EventHandler<SocketAsyncEventArgs>(OnAccept); - - Accept(acceptEventArg); - } - - private static void TryCloseAndDispose(Socket socket) - { - try - { - using (socket) - { - socket.Close(); - } - } - catch - { - - } - } - - private static void TryClose(Socket socket) - { - try - { - socket.Close(); - } - catch - { - - } - } - - private void Accept(SocketAsyncEventArgs acceptEventArg) - { - // acceptSocket must be cleared since the context object is being reused - acceptEventArg.AcceptSocket = null; - - try - { - bool willRaiseEvent = _socket.AcceptAsync(acceptEventArg); - - if (!willRaiseEvent) - { - ProcessAccept(acceptEventArg); - } - } - catch (ObjectDisposedException) - { - // TODO Investigate or properly fix. - } - catch (Exception ex) - { - var epl = (HttpEndPointListener)acceptEventArg.UserToken; - - epl._logger.LogError(ex, "Error in socket.AcceptAsync"); - } - } - - // This method is the callback method associated with Socket.AcceptAsync - // operations and is invoked when an accept operation is complete - // - private static void OnAccept(object sender, SocketAsyncEventArgs e) - { - ProcessAccept(e); - } - - private static async void ProcessAccept(SocketAsyncEventArgs args) - { - var epl = (HttpEndPointListener)args.UserToken; - - if (epl._closed) - { - return; - } - - // http://msdn.microsoft.com/en-us/library/system.net.sockets.acceptSocket.acceptasync%28v=vs.110%29.aspx - // Under certain conditions ConnectionReset can occur - // Need to attept to re-accept - var socketError = args.SocketError; - var accepted = args.AcceptSocket; - - epl.Accept(args); - - if (socketError == SocketError.ConnectionReset) - { - epl._logger.LogError("SocketError.ConnectionReset reported. Attempting to re-accept."); - return; - } - - if (accepted == null) - { - return; - } - - if (epl._secure && epl._cert == null) - { - TryClose(accepted); - return; - } - - try - { - var remoteEndPointString = accepted.RemoteEndPoint == null ? string.Empty : accepted.RemoteEndPoint.ToString(); - var localEndPointString = accepted.LocalEndPoint == null ? string.Empty : accepted.LocalEndPoint.ToString(); - //_logger.LogInformation("HttpEndPointListener Accepting connection from {0} to {1} secure connection requested: {2}", remoteEndPointString, localEndPointString, _secure); - - var conn = new HttpConnection(epl._logger, accepted, epl, epl._secure, epl._cert, epl._cryptoProvider, epl._streamHelper, epl._fileSystem, epl._environment); - - await conn.Init().ConfigureAwait(false); - - //_logger.LogDebug("Adding unregistered connection to {0}. Id: {1}", accepted.RemoteEndPoint, connectionId); - lock (epl._unregisteredConnections) - { - epl._unregisteredConnections[conn] = conn; - } - conn.BeginReadRequest(); - } - catch (Exception ex) - { - epl._logger.LogError(ex, "Error in ProcessAccept"); - - TryClose(accepted); - epl.Accept(); - return; - } - } - - private Socket CreateSocket(AddressFamily addressFamily, bool dualMode) - { - try - { - var socket = new Socket(addressFamily, System.Net.Sockets.SocketType.Stream, System.Net.Sockets.ProtocolType.Tcp); - - if (dualMode) - { - socket.DualMode = true; - } - - return socket; - } - catch (SocketException ex) - { - throw new SocketCreateException(ex.SocketErrorCode.ToString(), ex); - } - catch (ArgumentException ex) - { - if (dualMode) - { - // Mono for BSD incorrectly throws ArgumentException instead of SocketException - throw new SocketCreateException("AddressFamilyNotSupported", ex); - } - else - { - throw; - } - } - } - - internal void RemoveConnection(HttpConnection conn) - { - lock (_unregisteredConnections) - { - _unregisteredConnections.Remove(conn); - } - } - - public bool BindContext(HttpListenerContext context) - { - var req = context.Request; - HttpListener listener = SearchListener(req.Url, out var prefix); - if (listener == null) - return false; - - context.Connection.Prefix = prefix; - return true; - } - - public void UnbindContext(HttpListenerContext context) - { - if (context == null || context.Request == null) - return; - - _listener.UnregisterContext(context); - } - - private HttpListener SearchListener(Uri uri, out ListenerPrefix prefix) - { - prefix = null; - if (uri == null) - return null; - - string host = uri.Host; - int port = uri.Port; - string path = WebUtility.UrlDecode(uri.AbsolutePath); - string pathSlash = path[path.Length - 1] == '/' ? path : path + "/"; - - HttpListener bestMatch = null; - int bestLength = -1; - - if (host != null && host != "") - { - Dictionary<ListenerPrefix, HttpListener> localPrefixes = _prefixes; - foreach (var p in localPrefixes.Keys) - { - string ppath = p.Path; - if (ppath.Length < bestLength) - continue; - - if (p.Host != host || p.Port != port) - continue; - - if (path.StartsWith(ppath) || pathSlash.StartsWith(ppath)) - { - bestLength = ppath.Length; - bestMatch = localPrefixes[p]; - prefix = p; - } - } - if (bestLength != -1) - return bestMatch; - } - - List<ListenerPrefix> list = _unhandledPrefixes; - bestMatch = MatchFromList(host, path, list, out prefix); - - if (path != pathSlash && bestMatch == null) - bestMatch = MatchFromList(host, pathSlash, list, out prefix); - - if (bestMatch != null) - return bestMatch; - - list = _allPrefixes; - bestMatch = MatchFromList(host, path, list, out prefix); - - if (path != pathSlash && bestMatch == null) - bestMatch = MatchFromList(host, pathSlash, list, out prefix); - - if (bestMatch != null) - return bestMatch; - - return null; - } - - private HttpListener MatchFromList(string host, string path, List<ListenerPrefix> list, out ListenerPrefix prefix) - { - prefix = null; - if (list == null) - return null; - - HttpListener bestMatch = null; - int bestLength = -1; - - foreach (ListenerPrefix p in list) - { - string ppath = p.Path; - if (ppath.Length < bestLength) - continue; - - if (path.StartsWith(ppath)) - { - bestLength = ppath.Length; - bestMatch = p._listener; - prefix = p; - } - } - - return bestMatch; - } - - private void AddSpecial(List<ListenerPrefix> list, ListenerPrefix prefix) - { - if (list == null) - return; - - foreach (ListenerPrefix p in list) - { - if (p.Path == prefix.Path) - throw new Exception("net_listener_already"); - } - list.Add(prefix); - } - - private bool RemoveSpecial(List<ListenerPrefix> list, ListenerPrefix prefix) - { - if (list == null) - return false; - - int c = list.Count; - for (int i = 0; i < c; i++) - { - ListenerPrefix p = list[i]; - if (p.Path == prefix.Path) - { - list.RemoveAt(i); - return true; - } - } - return false; - } - - private void CheckIfRemove() - { - if (_prefixes.Count > 0) - return; - - List<ListenerPrefix> list = _unhandledPrefixes; - if (list != null && list.Count > 0) - return; - - list = _allPrefixes; - if (list != null && list.Count > 0) - return; - - HttpEndPointManager.RemoveEndPoint(this, _endpoint); - } - - public void Close() - { - _closed = true; - _socket.Close(); - lock (_unregisteredConnections) - { - // Clone the list because RemoveConnection can be called from Close - var connections = new List<HttpConnection>(_unregisteredConnections.Keys); - - foreach (HttpConnection c in connections) - c.Close(true); - _unregisteredConnections.Clear(); - } - } - - public void AddPrefix(ListenerPrefix prefix, HttpListener listener) - { - List<ListenerPrefix> current; - List<ListenerPrefix> future; - if (prefix.Host == "*") - { - do - { - current = _unhandledPrefixes; - future = current != null ? new List<ListenerPrefix>(current) : new List<ListenerPrefix>(); - prefix._listener = listener; - AddSpecial(future, prefix); - } while (Interlocked.CompareExchange(ref _unhandledPrefixes, future, current) != current); - return; - } - - if (prefix.Host == "+") - { - do - { - current = _allPrefixes; - future = current != null ? new List<ListenerPrefix>(current) : new List<ListenerPrefix>(); - prefix._listener = listener; - AddSpecial(future, prefix); - } while (Interlocked.CompareExchange(ref _allPrefixes, future, current) != current); - return; - } - - Dictionary<ListenerPrefix, HttpListener> prefs, p2; - do - { - prefs = _prefixes; - if (prefs.ContainsKey(prefix)) - { - throw new Exception("net_listener_already"); - } - p2 = new Dictionary<ListenerPrefix, HttpListener>(prefs); - p2[prefix] = listener; - } while (Interlocked.CompareExchange(ref _prefixes, p2, prefs) != prefs); - } - - public void RemovePrefix(ListenerPrefix prefix, HttpListener listener) - { - List<ListenerPrefix> current; - List<ListenerPrefix> future; - if (prefix.Host == "*") - { - do - { - current = _unhandledPrefixes; - future = current != null ? new List<ListenerPrefix>(current) : new List<ListenerPrefix>(); - if (!RemoveSpecial(future, prefix)) - break; // Prefix not found - } while (Interlocked.CompareExchange(ref _unhandledPrefixes, future, current) != current); - - CheckIfRemove(); - return; - } - - if (prefix.Host == "+") - { - do - { - current = _allPrefixes; - future = current != null ? new List<ListenerPrefix>(current) : new List<ListenerPrefix>(); - if (!RemoveSpecial(future, prefix)) - break; // Prefix not found - } while (Interlocked.CompareExchange(ref _allPrefixes, future, current) != current); - CheckIfRemove(); - return; - } - - Dictionary<ListenerPrefix, HttpListener> prefs, p2; - do - { - prefs = _prefixes; - if (!prefs.ContainsKey(prefix)) - break; - - p2 = new Dictionary<ListenerPrefix, HttpListener>(prefs); - p2.Remove(prefix); - } while (Interlocked.CompareExchange(ref _prefixes, p2, prefs) != prefs); - CheckIfRemove(); - } - } -} diff --git a/SocketHttpListener/Net/HttpEndPointManager.cs b/SocketHttpListener/Net/HttpEndPointManager.cs deleted file mode 100644 index 27b4244a6..000000000 --- a/SocketHttpListener/Net/HttpEndPointManager.cs +++ /dev/null @@ -1,192 +0,0 @@ -using System; -using System.Collections; -using System.Collections.Generic; -using System.Net; -using System.Net.Sockets; -using Microsoft.Extensions.Logging; - -namespace SocketHttpListener.Net -{ - internal sealed class HttpEndPointManager - { - private static Dictionary<IPAddress, Dictionary<int, HttpEndPointListener>> s_ipEndPoints = new Dictionary<IPAddress, Dictionary<int, HttpEndPointListener>>(); - - private HttpEndPointManager() - { - } - - public static void AddListener(ILogger logger, HttpListener listener) - { - var added = new List<string>(); - try - { - lock ((s_ipEndPoints as ICollection).SyncRoot) - { - foreach (string prefix in listener.Prefixes) - { - AddPrefixInternal(logger, prefix, listener); - added.Add(prefix); - } - } - } - catch - { - foreach (string prefix in added) - { - RemovePrefix(logger, prefix, listener); - } - throw; - } - } - - public static void AddPrefix(ILogger logger, string prefix, HttpListener listener) - { - lock ((s_ipEndPoints as ICollection).SyncRoot) - { - AddPrefixInternal(logger, prefix, listener); - } - } - - private static void AddPrefixInternal(ILogger logger, string p, HttpListener listener) - { - int start = p.IndexOf(':') + 3; - int colon = p.IndexOf(':', start); - if (colon != -1) - { - // root can't be -1 here, since we've already checked for ending '/' in ListenerPrefix. - int root = p.IndexOf('/', colon, p.Length - colon); - string portString = p.Substring(colon + 1, root - colon - 1); - - if (!int.TryParse(portString, out var port) || port <= 0 || port >= 65536) - { - throw new HttpListenerException((int)HttpStatusCode.BadRequest, "net_invalid_port"); - } - } - - var lp = new ListenerPrefix(p); - if (lp.Host != "*" && lp.Host != "+" && Uri.CheckHostName(lp.Host) == UriHostNameType.Unknown) - throw new HttpListenerException((int)HttpStatusCode.BadRequest, "net_listener_host"); - - if (lp.Path.IndexOf('%') != -1) - throw new HttpListenerException((int)HttpStatusCode.BadRequest, "net_invalid_path"); - - if (lp.Path.IndexOf("//", StringComparison.Ordinal) != -1) - throw new HttpListenerException((int)HttpStatusCode.BadRequest, "net_invalid_path"); - - // listens on all the interfaces if host name cannot be parsed by IPAddress. - HttpEndPointListener epl = GetEPListener(logger, lp.Host, lp.Port, listener, lp.Secure); - epl.AddPrefix(lp, listener); - } - - private static IPAddress GetIpAnyAddress(HttpListener listener) - { - return listener.EnableDualMode ? IPAddress.IPv6Any : IPAddress.Any; - } - - private static HttpEndPointListener GetEPListener(ILogger logger, string host, int port, HttpListener listener, bool secure) - { - IPAddress addr; - if (host == "*" || host == "+") - { - addr = GetIpAnyAddress(listener); - } - else - { - const int NotSupportedErrorCode = 50; - try - { - addr = Dns.GetHostAddresses(host)[0]; - } - catch - { - // Throw same error code as windows, request is not supported. - throw new HttpListenerException(NotSupportedErrorCode, "net_listener_not_supported"); - } - - if (IPAddress.Any.Equals(addr)) - { - // Don't support listening to 0.0.0.0, match windows behavior. - throw new HttpListenerException(NotSupportedErrorCode, "net_listener_not_supported"); - } - } - - Dictionary<int, HttpEndPointListener> p = null; - if (s_ipEndPoints.ContainsKey(addr)) - { - p = s_ipEndPoints[addr]; - } - else - { - p = new Dictionary<int, HttpEndPointListener>(); - s_ipEndPoints[addr] = p; - } - - HttpEndPointListener epl = null; - if (p.ContainsKey(port)) - { - epl = p[port]; - } - else - { - try - { - epl = new HttpEndPointListener(listener, addr, port, secure, listener.Certificate, logger, listener.CryptoProvider, listener.SocketFactory, listener.StreamHelper, listener.FileSystem, listener.EnvironmentInfo); - } - catch (SocketException ex) - { - throw new HttpListenerException(ex.ErrorCode, ex.Message); - } - p[port] = epl; - } - - return epl; - } - - public static void RemoveEndPoint(HttpEndPointListener epl, IPEndPoint ep) - { - lock ((s_ipEndPoints as ICollection).SyncRoot) - { - Dictionary<int, HttpEndPointListener> p = null; - p = s_ipEndPoints[ep.Address]; - p.Remove(ep.Port); - if (p.Count == 0) - { - s_ipEndPoints.Remove(ep.Address); - } - epl.Close(); - } - } - - public static void RemoveListener(ILogger logger, HttpListener listener) - { - lock ((s_ipEndPoints as ICollection).SyncRoot) - { - foreach (string prefix in listener.Prefixes) - { - RemovePrefixInternal(logger, prefix, listener); - } - } - } - - public static void RemovePrefix(ILogger logger, string prefix, HttpListener listener) - { - lock ((s_ipEndPoints as ICollection).SyncRoot) - { - RemovePrefixInternal(logger, prefix, listener); - } - } - - private static void RemovePrefixInternal(ILogger logger, string prefix, HttpListener listener) - { - var lp = new ListenerPrefix(prefix); - if (lp.Path.IndexOf('%') != -1) - return; - - if (lp.Path.IndexOf("//", StringComparison.Ordinal) != -1) - return; - - HttpEndPointListener epl = GetEPListener(logger, lp.Host, lp.Port, listener, lp.Secure); - epl.RemovePrefix(lp, listener); - } - } -} diff --git a/SocketHttpListener/Net/HttpKnownHeaderNames.cs b/SocketHttpListener/Net/HttpKnownHeaderNames.cs deleted file mode 100644 index dc6f2ce41..000000000 --- a/SocketHttpListener/Net/HttpKnownHeaderNames.cs +++ /dev/null @@ -1,91 +0,0 @@ -namespace SocketHttpListener.Net -{ - internal static partial class HttpKnownHeaderNames - { - // When adding a new constant, add it to HttpKnownHeaderNames.TryGetHeaderName.cs as well. - - public const string Accept = "Accept"; - public const string AcceptCharset = "Accept-Charset"; - public const string AcceptEncoding = "Accept-Encoding"; - public const string AcceptLanguage = "Accept-Language"; - public const string AcceptPatch = "Accept-Patch"; - public const string AcceptRanges = "Accept-Ranges"; - public const string AccessControlAllowCredentials = "Access-Control-Allow-Credentials"; - public const string AccessControlAllowHeaders = "Access-Control-Allow-Headers"; - public const string AccessControlAllowMethods = "Access-Control-Allow-Methods"; - public const string AccessControlAllowOrigin = "Access-Control-Allow-Origin"; - public const string AccessControlExposeHeaders = "Access-Control-Expose-Headers"; - public const string AccessControlMaxAge = "Access-Control-Max-Age"; - public const string Age = "Age"; - public const string Allow = "Allow"; - public const string AltSvc = "Alt-Svc"; - public const string Authorization = "Authorization"; - public const string CacheControl = "Cache-Control"; - public const string Connection = "Connection"; - public const string ContentDisposition = "Content-Disposition"; - public const string ContentEncoding = "Content-Encoding"; - public const string ContentLanguage = "Content-Language"; - public const string ContentLength = "Content-Length"; - public const string ContentLocation = "Content-Location"; - public const string ContentMD5 = "Content-MD5"; - public const string ContentRange = "Content-Range"; - public const string ContentSecurityPolicy = "Content-Security-Policy"; - public const string ContentType = "Content-Type"; - public const string Cookie = "Cookie"; - public const string Cookie2 = "Cookie2"; - public const string Date = "Date"; - public const string ETag = "ETag"; - public const string Expect = "Expect"; - public const string Expires = "Expires"; - public const string From = "From"; - public const string Host = "Host"; - public const string IfMatch = "If-Match"; - public const string IfModifiedSince = "If-Modified-Since"; - public const string IfNoneMatch = "If-None-Match"; - public const string IfRange = "If-Range"; - public const string IfUnmodifiedSince = "If-Unmodified-Since"; - public const string KeepAlive = "Keep-Alive"; - public const string LastModified = "Last-Modified"; - public const string Link = "Link"; - public const string Location = "Location"; - public const string MaxForwards = "Max-Forwards"; - public const string Origin = "Origin"; - public const string P3P = "P3P"; - public const string Pragma = "Pragma"; - public const string ProxyAuthenticate = "Proxy-Authenticate"; - public const string ProxyAuthorization = "Proxy-Authorization"; - public const string ProxyConnection = "Proxy-Connection"; - public const string PublicKeyPins = "Public-Key-Pins"; - public const string Range = "Range"; - public const string Referer = "Referer"; // NB: The spelling-mistake "Referer" for "Referrer" must be matched. - public const string RetryAfter = "Retry-After"; - public const string SecWebSocketAccept = "Sec-WebSocket-Accept"; - public const string SecWebSocketExtensions = "Sec-WebSocket-Extensions"; - public const string SecWebSocketKey = "Sec-WebSocket-Key"; - public const string SecWebSocketProtocol = "Sec-WebSocket-Protocol"; - public const string SecWebSocketVersion = "Sec-WebSocket-Version"; - public const string Server = "Server"; - public const string SetCookie = "Set-Cookie"; - public const string SetCookie2 = "Set-Cookie2"; - public const string StrictTransportSecurity = "Strict-Transport-Security"; - public const string TE = "TE"; - public const string TSV = "TSV"; - public const string Trailer = "Trailer"; - public const string TransferEncoding = "Transfer-Encoding"; - public const string Upgrade = "Upgrade"; - public const string UpgradeInsecureRequests = "Upgrade-Insecure-Requests"; - public const string UserAgent = "User-Agent"; - public const string Vary = "Vary"; - public const string Via = "Via"; - public const string WWWAuthenticate = "WWW-Authenticate"; - public const string Warning = "Warning"; - public const string XAspNetVersion = "X-AspNet-Version"; - public const string XContentDuration = "X-Content-Duration"; - public const string XContentTypeOptions = "X-Content-Type-Options"; - public const string XFrameOptions = "X-Frame-Options"; - public const string XMSEdgeRef = "X-MSEdge-Ref"; - public const string XPoweredBy = "X-Powered-By"; - public const string XRequestID = "X-Request-ID"; - public const string XUACompatible = "X-UA-Compatible"; - } -} diff --git a/SocketHttpListener/Net/HttpListener.cs b/SocketHttpListener/Net/HttpListener.cs deleted file mode 100644 index f17036a21..000000000 --- a/SocketHttpListener/Net/HttpListener.cs +++ /dev/null @@ -1,284 +0,0 @@ -using System; -using System.Collections; -using System.Collections.Generic; -using System.Net; -using System.Security.Cryptography.X509Certificates; -using MediaBrowser.Model.Cryptography; -using MediaBrowser.Model.IO; -using MediaBrowser.Model.Net; -using MediaBrowser.Model.System; -using Microsoft.Extensions.Logging; - -namespace SocketHttpListener.Net -{ - public sealed class HttpListener : IDisposable - { - internal ICryptoProvider CryptoProvider { get; private set; } - internal ISocketFactory SocketFactory { get; private set; } - internal IFileSystem FileSystem { get; private set; } - internal IStreamHelper StreamHelper { get; private set; } - internal IEnvironmentInfo EnvironmentInfo { get; private set; } - - public bool EnableDualMode { get; set; } - - private AuthenticationSchemes auth_schemes; - private HttpListenerPrefixCollection prefixes; - private AuthenticationSchemeSelector auth_selector; - private string realm; - private bool unsafe_ntlm_auth; - private bool listening; - private bool disposed; - - private Dictionary<HttpListenerContext, HttpListenerContext> registry; - private Dictionary<HttpConnection, HttpConnection> connections; - private ILogger _logger; - private X509Certificate _certificate; - - public Action<HttpListenerContext> OnContext { get; set; } - - public HttpListener( - ILogger logger, - ICryptoProvider cryptoProvider, - ISocketFactory socketFactory, - IStreamHelper streamHelper, - IFileSystem fileSystem, - IEnvironmentInfo environmentInfo) - { - _logger = logger; - CryptoProvider = cryptoProvider; - SocketFactory = socketFactory; - StreamHelper = streamHelper; - FileSystem = fileSystem; - EnvironmentInfo = environmentInfo; - - prefixes = new HttpListenerPrefixCollection(logger, this); - registry = new Dictionary<HttpListenerContext, HttpListenerContext>(); - connections = new Dictionary<HttpConnection, HttpConnection>(); - auth_schemes = AuthenticationSchemes.Anonymous; - } - - public HttpListener( - ILogger logger, - X509Certificate certificate, - ICryptoProvider cryptoProvider, - ISocketFactory socketFactory, - IStreamHelper streamHelper, - IFileSystem fileSystem, - IEnvironmentInfo environmentInfo) - : this(logger, cryptoProvider, socketFactory, streamHelper, fileSystem, environmentInfo) - { - _certificate = certificate; - } - - public void LoadCert(X509Certificate cert) - { - _certificate = cert; - } - - // TODO: Digest, NTLM and Negotiate require ControlPrincipal - public AuthenticationSchemes AuthenticationSchemes - { - get => auth_schemes; - set - { - CheckDisposed(); - auth_schemes = value; - } - } - - public AuthenticationSchemeSelector AuthenticationSchemeSelectorDelegate - { - get => auth_selector; - set - { - CheckDisposed(); - auth_selector = value; - } - } - - public bool IsListening => listening; - - public static bool IsSupported => true; - - public HttpListenerPrefixCollection Prefixes - { - get - { - CheckDisposed(); - return prefixes; - } - } - - // TODO: use this - public string Realm - { - get => realm; - set - { - CheckDisposed(); - realm = value; - } - } - - public bool UnsafeConnectionNtlmAuthentication - { - get => unsafe_ntlm_auth; - set - { - CheckDisposed(); - unsafe_ntlm_auth = value; - } - } - - //internal IMonoSslStream CreateSslStream(Stream innerStream, bool ownsStream, MSI.MonoRemoteCertificateValidationCallback callback) - //{ - // lock (registry) - // { - // if (tlsProvider == null) - // tlsProvider = MonoTlsProviderFactory.GetProviderInternal(); - // if (tlsSettings == null) - // tlsSettings = MSI.MonoTlsSettings.CopyDefaultSettings(); - // if (tlsSettings.RemoteCertificateValidationCallback == null) - // tlsSettings.RemoteCertificateValidationCallback = callback; - // return tlsProvider.CreateSslStream(innerStream, ownsStream, tlsSettings); - // } - //} - - internal X509Certificate Certificate => _certificate; - - public void Abort() - { - if (disposed) - return; - - if (!listening) - { - return; - } - - Close(true); - } - - public void Close() - { - if (disposed) - return; - - if (!listening) - { - disposed = true; - return; - } - - Close(true); - disposed = true; - } - - void Close(bool force) - { - CheckDisposed(); - HttpEndPointManager.RemoveListener(_logger, this); - Cleanup(force); - } - - void Cleanup(bool close_existing) - { - lock (registry) - { - if (close_existing) - { - // Need to copy this since closing will call UnregisterContext - ICollection keys = registry.Keys; - var all = new HttpListenerContext[keys.Count]; - keys.CopyTo(all, 0); - registry.Clear(); - for (int i = all.Length - 1; i >= 0; i--) - all[i].Connection.Close(true); - } - - lock (connections) - { - ICollection keys = connections.Keys; - var conns = new HttpConnection[keys.Count]; - keys.CopyTo(conns, 0); - connections.Clear(); - for (int i = conns.Length - 1; i >= 0; i--) - conns[i].Close(true); - } - } - } - - internal AuthenticationSchemes SelectAuthenticationScheme(HttpListenerContext context) - { - if (AuthenticationSchemeSelectorDelegate != null) - return AuthenticationSchemeSelectorDelegate(context.Request); - else - return auth_schemes; - } - - public void Start() - { - CheckDisposed(); - if (listening) - return; - - HttpEndPointManager.AddListener(_logger, this); - listening = true; - } - - public void Stop() - { - CheckDisposed(); - listening = false; - Close(false); - } - - void IDisposable.Dispose() - { - if (disposed) - return; - - Close(true); //TODO: Should we force here or not? - disposed = true; - } - - internal void CheckDisposed() - { - if (disposed) - throw new ObjectDisposedException(GetType().Name); - } - - internal void RegisterContext(HttpListenerContext context) - { - if (OnContext != null && IsListening) - { - OnContext(context); - } - - lock (registry) - registry[context] = context; - } - - internal void UnregisterContext(HttpListenerContext context) - { - lock (registry) - registry.Remove(context); - } - - internal void AddConnection(HttpConnection cnc) - { - lock (connections) - { - connections[cnc] = cnc; - } - } - - internal void RemoveConnection(HttpConnection cnc) - { - lock (connections) - { - connections.Remove(cnc); - } - } - } -} diff --git a/SocketHttpListener/Net/HttpListenerBasicIdentity.cs b/SocketHttpListener/Net/HttpListenerBasicIdentity.cs deleted file mode 100644 index 5f6ec44b9..000000000 --- a/SocketHttpListener/Net/HttpListenerBasicIdentity.cs +++ /dev/null @@ -1,49 +0,0 @@ -using System.Security.Principal; - -namespace SocketHttpListener.Net -{ - public class HttpListenerBasicIdentity : GenericIdentity - { - string password; - - public HttpListenerBasicIdentity(string username, string password) - : base(username, "Basic") - { - this.password = password; - } - - public virtual string Password => password; - } - - public class GenericIdentity : IIdentity - { - private string m_name; - private string m_type; - - public GenericIdentity(string name) - { - if (name == null) - throw new System.ArgumentNullException(nameof(name)); - - m_name = name; - m_type = ""; - } - - public GenericIdentity(string name, string type) - { - if (name == null) - throw new System.ArgumentNullException(nameof(name)); - if (type == null) - throw new System.ArgumentNullException(nameof(type)); - - m_name = name; - m_type = type; - } - - public virtual string Name => m_name; - - public virtual string AuthenticationType => m_type; - - public virtual bool IsAuthenticated => !m_name.Equals(""); - } -} diff --git a/SocketHttpListener/Net/HttpListenerContext.Managed.cs b/SocketHttpListener/Net/HttpListenerContext.Managed.cs deleted file mode 100644 index 79742bf37..000000000 --- a/SocketHttpListener/Net/HttpListenerContext.Managed.cs +++ /dev/null @@ -1,99 +0,0 @@ -using System; -using System.ComponentModel; -using System.Security.Principal; -using System.Text; -using System.Threading.Tasks; -using SocketHttpListener.Net.WebSockets; - -namespace SocketHttpListener.Net -{ - public sealed partial class HttpListenerContext - { - private HttpConnection _connection; - - internal HttpListenerContext(HttpConnection connection) - { - _connection = connection; - _response = new HttpListenerResponse(this); - Request = new HttpListenerRequest(this); - ErrorStatus = 400; - } - - internal int ErrorStatus { get; set; } - - internal string ErrorMessage { get; set; } - - internal bool HaveError => ErrorMessage != null; - - internal HttpConnection Connection => _connection; - - internal void ParseAuthentication(System.Net.AuthenticationSchemes expectedSchemes) - { - if (expectedSchemes == System.Net.AuthenticationSchemes.Anonymous) - return; - - string header = Request.Headers["Authorization"]; - if (string.IsNullOrEmpty(header)) - return; - - if (IsBasicHeader(header)) - { - _user = ParseBasicAuthentication(header.Substring(AuthenticationTypes.Basic.Length + 1)); - } - } - - internal IPrincipal ParseBasicAuthentication(string authData) => - TryParseBasicAuth(authData, out HttpStatusCode errorCode, out string username, out string password) ? - new GenericPrincipal(new HttpListenerBasicIdentity(username, password), Array.Empty<string>()) : - null; - - internal static bool IsBasicHeader(string header) => - header.Length >= 6 && - header[5] == ' ' && - string.Compare(header, 0, AuthenticationTypes.Basic, 0, 5, StringComparison.OrdinalIgnoreCase) == 0; - - internal static bool TryParseBasicAuth(string headerValue, out HttpStatusCode errorCode, out string username, out string password) - { - errorCode = HttpStatusCode.OK; - username = password = null; - try - { - if (string.IsNullOrWhiteSpace(headerValue)) - { - return false; - } - - string authString = Encoding.UTF8.GetString(Convert.FromBase64String(headerValue)); - int colonPos = authString.IndexOf(':'); - if (colonPos < 0) - { - // username must be at least 1 char - errorCode = HttpStatusCode.BadRequest; - return false; - } - - username = authString.Substring(0, colonPos); - password = authString.Substring(colonPos + 1); - return true; - } - catch - { - errorCode = HttpStatusCode.InternalServerError; - return false; - } - } - - public Task<HttpListenerWebSocketContext> AcceptWebSocketAsync(string subProtocol, int receiveBufferSize, TimeSpan keepAliveInterval) - { - return HttpWebSocket.AcceptWebSocketAsyncCore(this, subProtocol, receiveBufferSize, keepAliveInterval); - } - - [EditorBrowsable(EditorBrowsableState.Never)] - public Task<HttpListenerWebSocketContext> AcceptWebSocketAsync(string subProtocol, int receiveBufferSize, TimeSpan keepAliveInterval, ArraySegment<byte> internalBuffer) - { - WebSocketValidate.ValidateArraySegment(internalBuffer, nameof(internalBuffer)); - HttpWebSocket.ValidateOptions(subProtocol, receiveBufferSize, HttpWebSocket.MinSendBufferSize, keepAliveInterval); - return HttpWebSocket.AcceptWebSocketAsyncCore(this, subProtocol, receiveBufferSize, keepAliveInterval, internalBuffer); - } - } -} diff --git a/SocketHttpListener/Net/HttpListenerContext.cs b/SocketHttpListener/Net/HttpListenerContext.cs deleted file mode 100644 index d84e2d1aa..000000000 --- a/SocketHttpListener/Net/HttpListenerContext.cs +++ /dev/null @@ -1,74 +0,0 @@ -using System; -using System.Net; -using System.Security.Principal; -using System.Threading.Tasks; -using SocketHttpListener.Net.WebSockets; - -namespace SocketHttpListener.Net -{ - public sealed partial class HttpListenerContext - { - private HttpListenerResponse _response; - private IPrincipal _user; - - public HttpListenerRequest Request { get; } - - public IPrincipal User => _user; - - // This can be used to cache the results of HttpListener.AuthenticationSchemeSelectorDelegate. - internal AuthenticationSchemes AuthenticationSchemes { get; set; } - - public HttpListenerResponse Response => _response; - - public Task<HttpListenerWebSocketContext> AcceptWebSocketAsync(string subProtocol) - { - return AcceptWebSocketAsync(subProtocol, HttpWebSocket.DefaultReceiveBufferSize, WebSocket.DefaultKeepAliveInterval); - } - - public Task<HttpListenerWebSocketContext> AcceptWebSocketAsync(string subProtocol, TimeSpan keepAliveInterval) - { - return AcceptWebSocketAsync(subProtocol, HttpWebSocket.DefaultReceiveBufferSize, keepAliveInterval); - } - } - - public class GenericPrincipal : IPrincipal - { - private IIdentity m_identity; - private string[] m_roles; - - public GenericPrincipal(IIdentity identity, string[] roles) - { - if (identity == null) - throw new ArgumentNullException(nameof(identity)); - - m_identity = identity; - if (roles != null) - { - m_roles = new string[roles.Length]; - for (int i = 0; i < roles.Length; ++i) - { - m_roles[i] = roles[i]; - } - } - else - { - m_roles = null; - } - } - - public virtual IIdentity Identity => m_identity; - - public virtual bool IsInRole(string role) - { - if (role == null || m_roles == null) - return false; - - for (int i = 0; i < m_roles.Length; ++i) - { - if (m_roles[i] != null && string.Compare(m_roles[i], role, StringComparison.OrdinalIgnoreCase) == 0) - return true; - } - return false; - } - } -} diff --git a/SocketHttpListener/Net/HttpListenerPrefixCollection.cs b/SocketHttpListener/Net/HttpListenerPrefixCollection.cs deleted file mode 100644 index 400a1adb6..000000000 --- a/SocketHttpListener/Net/HttpListenerPrefixCollection.cs +++ /dev/null @@ -1,117 +0,0 @@ -using System; -using System.Collections; -using System.Collections.Generic; -using Microsoft.Extensions.Logging; - -namespace SocketHttpListener.Net -{ - public class HttpListenerPrefixCollection : ICollection<string>, IEnumerable<string>, IEnumerable - { - private List<string> _prefixes = new List<string>(); - private HttpListener _listener; - - private ILogger _logger; - - internal HttpListenerPrefixCollection(ILogger logger, HttpListener listener) - { - _logger = logger; - _listener = listener; - } - - public int Count => _prefixes.Count; - - public bool IsReadOnly => false; - - public bool IsSynchronized => false; - - public void Add(string uriPrefix) - { - _listener.CheckDisposed(); - //ListenerPrefix.CheckUri(uriPrefix); - if (_prefixes.Contains(uriPrefix)) - { - return; - } - - _prefixes.Add(uriPrefix); - if (_listener.IsListening) - { - HttpEndPointManager.AddPrefix(_logger, uriPrefix, _listener); - } - } - - public void AddRange(IEnumerable<string> uriPrefixes) - { - _listener.CheckDisposed(); - - foreach (var uriPrefix in uriPrefixes) - { - if (_prefixes.Contains(uriPrefix)) - { - continue; - } - - _prefixes.Add(uriPrefix); - if (_listener.IsListening) - { - HttpEndPointManager.AddPrefix(_logger, uriPrefix, _listener); - } - } - } - - public void Clear() - { - _listener.CheckDisposed(); - _prefixes.Clear(); - if (_listener.IsListening) - { - HttpEndPointManager.RemoveListener(_logger, _listener); - } - } - - public bool Contains(string uriPrefix) - { - _listener.CheckDisposed(); - return _prefixes.Contains(uriPrefix); - } - - public void CopyTo(string[] array, int offset) - { - _listener.CheckDisposed(); - _prefixes.CopyTo(array, offset); - } - - public void CopyTo(Array array, int offset) - { - _listener.CheckDisposed(); - ((ICollection)_prefixes).CopyTo(array, offset); - } - - public IEnumerator<string> GetEnumerator() - { - return _prefixes.GetEnumerator(); - } - - IEnumerator IEnumerable.GetEnumerator() - { - return _prefixes.GetEnumerator(); - } - - public bool Remove(string uriPrefix) - { - _listener.CheckDisposed(); - if (uriPrefix == null) - { - throw new ArgumentNullException(nameof(uriPrefix)); - } - - bool result = _prefixes.Remove(uriPrefix); - if (result && _listener.IsListening) - { - HttpEndPointManager.RemovePrefix(_logger, uriPrefix, _listener); - } - - return result; - } - } -} diff --git a/SocketHttpListener/Net/HttpListenerRequest.Managed.cs b/SocketHttpListener/Net/HttpListenerRequest.Managed.cs deleted file mode 100644 index 3f9e32f08..000000000 --- a/SocketHttpListener/Net/HttpListenerRequest.Managed.cs +++ /dev/null @@ -1,325 +0,0 @@ -using System; -using System.IO; -using System.Text; -using MediaBrowser.Model.Services; - -namespace SocketHttpListener.Net -{ - public sealed partial class HttpListenerRequest - { - private long _contentLength; - private bool _clSet; - private WebHeaderCollection _headers; - private string _method; - private Stream _inputStream; - private HttpListenerContext _context; - private bool _isChunked; - - private static byte[] s_100continue = Encoding.ASCII.GetBytes("HTTP/1.1 100 Continue\r\n\r\n"); - - internal HttpListenerRequest(HttpListenerContext context) - { - _context = context; - _headers = new WebHeaderCollection(); - _version = HttpVersion.Version10; - } - - private static readonly char[] s_separators = new char[] { ' ' }; - - internal void SetRequestLine(string req) - { - string[] parts = req.Split(s_separators, 3); - if (parts.Length != 3) - { - _context.ErrorMessage = "Invalid request line (parts)."; - return; - } - - _method = parts[0]; - foreach (char c in _method) - { - int ic = (int)c; - - if ((ic >= 'A' && ic <= 'Z') || - (ic > 32 && c < 127 && c != '(' && c != ')' && c != '<' && - c != '<' && c != '>' && c != '@' && c != ',' && c != ';' && - c != ':' && c != '\\' && c != '"' && c != '/' && c != '[' && - c != ']' && c != '?' && c != '=' && c != '{' && c != '}')) - continue; - - _context.ErrorMessage = "(Invalid verb)"; - return; - } - - _rawUrl = parts[1]; - if (parts[2].Length != 8 || !parts[2].StartsWith("HTTP/")) - { - _context.ErrorMessage = "Invalid request line (version)."; - return; - } - - try - { - _version = new Version(parts[2].Substring(5)); - } - catch - { - _context.ErrorMessage = "Invalid request line (version)."; - return; - } - - if (_version.Major < 1) - { - _context.ErrorMessage = "Invalid request line (version)."; - return; - } - if (_version.Major > 1) - { - _context.ErrorStatus = (int)HttpStatusCode.HttpVersionNotSupported; - _context.ErrorMessage = HttpStatusDescription.Get(HttpStatusCode.HttpVersionNotSupported); - return; - } - } - - private static bool MaybeUri(string s) - { - int p = s.IndexOf(':'); - if (p == -1) - return false; - - if (p >= 10) - return false; - - return IsPredefinedScheme(s.Substring(0, p)); - } - - private static bool IsPredefinedScheme(string scheme) - { - if (scheme == null || scheme.Length < 3) - return false; - - char c = scheme[0]; - if (c == 'h') - return (scheme == UriScheme.Http || scheme == UriScheme.Https); - if (c == 'f') - return (scheme == UriScheme.File || scheme == UriScheme.Ftp); - - if (c == 'n') - { - c = scheme[1]; - if (c == 'e') - return (scheme == UriScheme.News || scheme == UriScheme.NetPipe || scheme == UriScheme.NetTcp); - if (scheme == UriScheme.Nntp) - return true; - return false; - } - if ((c == 'g' && scheme == UriScheme.Gopher) || (c == 'm' && scheme == UriScheme.Mailto)) - return true; - - return false; - } - - internal void FinishInitialization() - { - string host = UserHostName; - if (_version > HttpVersion.Version10 && (host == null || host.Length == 0)) - { - _context.ErrorMessage = "Invalid host name"; - return; - } - - string path; - Uri raw_uri = null; - if (MaybeUri(_rawUrl.ToLowerInvariant()) && Uri.TryCreate(_rawUrl, UriKind.Absolute, out raw_uri)) - path = raw_uri.PathAndQuery; - else - path = _rawUrl; - - if ((host == null || host.Length == 0)) - host = UserHostAddress; - - if (raw_uri != null) - host = raw_uri.Host; - - int colon = host.IndexOf(']') == -1 ? host.IndexOf(':') : host.LastIndexOf(':'); - if (colon >= 0) - host = host.Substring(0, colon); - - string base_uri = string.Format("{0}://{1}:{2}", RequestScheme, host, LocalEndPoint.Port); - - if (!Uri.TryCreate(base_uri + path, UriKind.Absolute, out _requestUri)) - { - _context.ErrorMessage = System.Net.WebUtility.HtmlEncode("Invalid url: " + base_uri + path); - return; - } - - _requestUri = HttpListenerRequestUriBuilder.GetRequestUri(_rawUrl, _requestUri.Scheme, - _requestUri.Authority, _requestUri.LocalPath, _requestUri.Query); - - if (_version >= HttpVersion.Version11) - { - string t_encoding = Headers[HttpKnownHeaderNames.TransferEncoding]; - _isChunked = (t_encoding != null && string.Equals(t_encoding, "chunked", StringComparison.OrdinalIgnoreCase)); - // 'identity' is not valid! - if (t_encoding != null && !_isChunked) - { - _context.Connection.SendError(null, 501); - return; - } - } - - if (!_isChunked && !_clSet) - { - if (string.Equals(_method, "POST", StringComparison.OrdinalIgnoreCase) || - string.Equals(_method, "PUT", StringComparison.OrdinalIgnoreCase)) - { - _context.Connection.SendError(null, 411); - return; - } - } - - if (string.Compare(Headers[HttpKnownHeaderNames.Expect], "100-continue", StringComparison.OrdinalIgnoreCase) == 0) - { - HttpResponseStream output = _context.Connection.GetResponseStream(); - output.InternalWrite(s_100continue, 0, s_100continue.Length); - } - } - - internal static string Unquote(string str) - { - int start = str.IndexOf('\"'); - int end = str.LastIndexOf('\"'); - if (start >= 0 && end >= 0) - str = str.Substring(start + 1, end - 1); - return str.Trim(); - } - - internal void AddHeader(string header) - { - int colon = header.IndexOf(':'); - if (colon == -1 || colon == 0) - { - _context.ErrorMessage = HttpStatusDescription.Get(400); - _context.ErrorStatus = 400; - return; - } - - string name = header.Substring(0, colon).Trim(); - string val = header.Substring(colon + 1).Trim(); - if (name.Equals("content-length", StringComparison.OrdinalIgnoreCase)) - { - // To match Windows behavior: - // Content lengths >= 0 and <= long.MaxValue are accepted as is. - // Content lengths > long.MaxValue and <= ulong.MaxValue are treated as 0. - // Content lengths < 0 cause the requests to fail. - // Other input is a failure, too. - long parsedContentLength = - ulong.TryParse(val, out ulong parsedUlongContentLength) ? (parsedUlongContentLength <= long.MaxValue ? (long)parsedUlongContentLength : 0) : - long.Parse(val); - if (parsedContentLength < 0 || (_clSet && parsedContentLength != _contentLength)) - { - _context.ErrorMessage = "Invalid Content-Length."; - } - else - { - _contentLength = parsedContentLength; - _clSet = true; - } - } - else if (name.Equals("transfer-encoding", StringComparison.OrdinalIgnoreCase)) - { - if (Headers[HttpKnownHeaderNames.TransferEncoding] != null) - { - _context.ErrorStatus = (int)HttpStatusCode.NotImplemented; - _context.ErrorMessage = HttpStatusDescription.Get(HttpStatusCode.NotImplemented); - } - } - - if (_context.ErrorMessage == null) - { - _headers.Set(name, val); - } - } - - // returns true is the stream could be reused. - internal bool FlushInput() - { - if (!HasEntityBody) - return true; - - int length = 2048; - if (_contentLength > 0) - length = (int)Math.Min(_contentLength, (long)length); - - byte[] bytes = new byte[length]; - while (true) - { - try - { - IAsyncResult ares = InputStream.BeginRead(bytes, 0, length, null, null); - if (!ares.IsCompleted && !ares.AsyncWaitHandle.WaitOne(1000)) - return false; - if (InputStream.EndRead(ares) <= 0) - return true; - } - catch (ObjectDisposedException) - { - _inputStream = null; - return true; - } - catch - { - return false; - } - } - } - - public long ContentLength64 - { - get - { - if (_isChunked) - _contentLength = -1; - - return _contentLength; - } - } - - public bool HasEntityBody => (_contentLength > 0 || _isChunked); - - public QueryParamCollection Headers => _headers; - - public string HttpMethod => _method; - - public Stream InputStream - { - get - { - if (_inputStream == null) - { - if (_isChunked || _contentLength > 0) - _inputStream = _context.Connection.GetRequestStream(_isChunked, _contentLength); - else - _inputStream = Stream.Null; - } - - return _inputStream; - } - } - - public bool IsAuthenticated => false; - - public bool IsSecureConnection => _context.Connection.IsSecure; - - public System.Net.IPEndPoint LocalEndPoint => _context.Connection.LocalEndPoint; - - public System.Net.IPEndPoint RemoteEndPoint => _context.Connection.RemoteEndPoint; - - public Guid RequestTraceIdentifier { get; } = Guid.NewGuid(); - - public string ServiceName => null; - - private Uri RequestUri => _requestUri; - private bool SupportsWebSockets => true; - } -} diff --git a/SocketHttpListener/Net/HttpListenerRequest.cs b/SocketHttpListener/Net/HttpListenerRequest.cs deleted file mode 100644 index 667d58ea7..000000000 --- a/SocketHttpListener/Net/HttpListenerRequest.cs +++ /dev/null @@ -1,537 +0,0 @@ -using System; -using System.Collections.Generic; -using System.Globalization; -using System.Net; -using System.Text; -using MediaBrowser.Model.Services; -using SocketHttpListener.Net.WebSockets; - -namespace SocketHttpListener.Net -{ - public sealed partial class HttpListenerRequest - { - private CookieCollection _cookies; - private bool? _keepAlive; - private string _rawUrl; - private Uri _requestUri; - private Version _version; - - public string[] AcceptTypes => Helpers.ParseMultivalueHeader(Headers[HttpKnownHeaderNames.Accept]); - - public string[] UserLanguages => Helpers.ParseMultivalueHeader(Headers[HttpKnownHeaderNames.AcceptLanguage]); - - private static CookieCollection ParseCookies(Uri uri, string setCookieHeader) - { - var cookies = new CookieCollection(); - return cookies; - } - - public CookieCollection Cookies - { - get - { - if (_cookies == null) - { - string cookieString = Headers[HttpKnownHeaderNames.Cookie]; - if (!string.IsNullOrEmpty(cookieString)) - { - _cookies = ParseCookies(RequestUri, cookieString); - } - if (_cookies == null) - { - _cookies = new CookieCollection(); - } - } - return _cookies; - } - } - - public Encoding ContentEncoding - { - get - { - if (UserAgent != null && CultureInfo.InvariantCulture.CompareInfo.IsPrefix(UserAgent, "UP")) - { - string postDataCharset = Headers["x-up-devcap-post-charset"]; - if (postDataCharset != null && postDataCharset.Length > 0) - { - try - { - return Encoding.GetEncoding(postDataCharset); - } - catch (ArgumentException) - { - } - } - } - if (HasEntityBody) - { - if (ContentType != null) - { - string charSet = Helpers.GetCharSetValueFromHeader(ContentType); - if (charSet != null) - { - try - { - return Encoding.GetEncoding(charSet); - } - catch (ArgumentException) - { - } - } - } - } - return Encoding.UTF8; - } - } - - public string ContentType => Headers[HttpKnownHeaderNames.ContentType]; - - public bool IsLocal => LocalEndPoint.Address.Equals(RemoteEndPoint.Address); - - public bool IsWebSocketRequest - { - get - { - if (!SupportsWebSockets) - { - return false; - } - - bool foundConnectionUpgradeHeader = false; - if (string.IsNullOrEmpty(Headers[HttpKnownHeaderNames.Connection]) || string.IsNullOrEmpty(Headers[HttpKnownHeaderNames.Upgrade])) - { - return false; - } - - foreach (string connection in Headers.GetValues(HttpKnownHeaderNames.Connection)) - { - if (string.Equals(connection, HttpKnownHeaderNames.Upgrade, StringComparison.OrdinalIgnoreCase)) - { - foundConnectionUpgradeHeader = true; - break; - } - } - - if (!foundConnectionUpgradeHeader) - { - return false; - } - - foreach (string upgrade in Headers.GetValues(HttpKnownHeaderNames.Upgrade)) - { - if (string.Equals(upgrade, HttpWebSocket.WebSocketUpgradeToken, StringComparison.OrdinalIgnoreCase)) - { - return true; - } - } - - return false; - } - } - - public bool KeepAlive - { - get - { - if (!_keepAlive.HasValue) - { - string header = Headers[HttpKnownHeaderNames.ProxyConnection]; - if (string.IsNullOrEmpty(header)) - { - header = Headers[HttpKnownHeaderNames.Connection]; - } - if (string.IsNullOrEmpty(header)) - { - if (ProtocolVersion >= HttpVersion.Version11) - { - _keepAlive = true; - } - else - { - header = Headers[HttpKnownHeaderNames.KeepAlive]; - _keepAlive = !string.IsNullOrEmpty(header); - } - } - else - { - header = header.ToLowerInvariant(); - _keepAlive = - header.IndexOf("close", StringComparison.OrdinalIgnoreCase) < 0 || - header.IndexOf("keep-alive", StringComparison.OrdinalIgnoreCase) >= 0; - } - } - - return _keepAlive.Value; - } - } - - public QueryParamCollection QueryString - { - get - { - var queryString = new QueryParamCollection(); - Helpers.FillFromString(queryString, Url.Query, true, ContentEncoding); - return queryString; - } - } - - public string RawUrl => _rawUrl; - - private string RequestScheme => IsSecureConnection ? UriScheme.Https : UriScheme.Http; - - public string UserAgent => Headers[HttpKnownHeaderNames.UserAgent]; - - public string UserHostAddress => LocalEndPoint.ToString(); - - public string UserHostName => Headers[HttpKnownHeaderNames.Host]; - - public Uri UrlReferrer - { - get - { - string referrer = Headers[HttpKnownHeaderNames.Referer]; - if (referrer == null) - { - return null; - } - - bool success = Uri.TryCreate(referrer, UriKind.RelativeOrAbsolute, out var urlReferrer); - return success ? urlReferrer : null; - } - } - - public Uri Url => RequestUri; - - public Version ProtocolVersion => _version; - - private static class Helpers - { - // - // Get attribute off header value - // - internal static string GetCharSetValueFromHeader(string headerValue) - { - const string AttrName = "charset"; - - if (headerValue == null) - return null; - - int l = headerValue.Length; - int k = AttrName.Length; - - // find properly separated attribute name - int i = 1; // start searching from 1 - - while (i < l) - { - i = CultureInfo.InvariantCulture.CompareInfo.IndexOf(headerValue, AttrName, i, CompareOptions.IgnoreCase); - if (i < 0) - break; - if (i + k >= l) - break; - - char chPrev = headerValue[i - 1]; - char chNext = headerValue[i + k]; - if ((chPrev == ';' || chPrev == ',' || char.IsWhiteSpace(chPrev)) && (chNext == '=' || char.IsWhiteSpace(chNext))) - break; - - i += k; - } - - if (i < 0 || i >= l) - return null; - - // skip to '=' and the following whitespace - i += k; - while (i < l && char.IsWhiteSpace(headerValue[i])) - i++; - if (i >= l || headerValue[i] != '=') - return null; - i++; - while (i < l && char.IsWhiteSpace(headerValue[i])) - i++; - if (i >= l) - return null; - - // parse the value - string attrValue = null; - - int j; - - if (i < l && headerValue[i] == '"') - { - if (i == l - 1) - return null; - j = headerValue.IndexOf('"', i + 1); - if (j < 0 || j == i + 1) - return null; - - attrValue = headerValue.Substring(i + 1, j - i - 1).Trim(); - } - else - { - for (j = i; j < l; j++) - { - if (headerValue[j] == ';') - break; - } - - if (j == i) - return null; - - attrValue = headerValue.Substring(i, j - i).Trim(); - } - - return attrValue; - } - - internal static string[] ParseMultivalueHeader(string s) - { - if (s == null) - return null; - - int l = s.Length; - - // collect comma-separated values into list - - var values = new List<string>(); - int i = 0; - - while (i < l) - { - // find next , - int ci = s.IndexOf(',', i); - if (ci < 0) - ci = l; - - // append corresponding server value - values.Add(s.Substring(i, ci - i)); - - // move to next - i = ci + 1; - - // skip leading space - if (i < l && s[i] == ' ') - i++; - } - - // return list as array of strings - - int n = values.Count; - string[] strings; - - // if n is 0 that means s was empty string - - if (n == 0) - { - strings = new string[1]; - strings[0] = string.Empty; - } - else - { - strings = new string[n]; - values.CopyTo(0, strings, 0, n); - } - return strings; - } - - - private static string UrlDecodeStringFromStringInternal(string s, Encoding e) - { - int count = s.Length; - var helper = new UrlDecoder(count, e); - - // go through the string's chars collapsing %XX and %uXXXX and - // appending each char as char, with exception of %XX constructs - // that are appended as bytes - - for (int pos = 0; pos < count; pos++) - { - char ch = s[pos]; - - if (ch == '+') - { - ch = ' '; - } - else if (ch == '%' && pos < count - 2) - { - if (s[pos + 1] == 'u' && pos < count - 5) - { - int h1 = HexToInt(s[pos + 2]); - int h2 = HexToInt(s[pos + 3]); - int h3 = HexToInt(s[pos + 4]); - int h4 = HexToInt(s[pos + 5]); - - if (h1 >= 0 && h2 >= 0 && h3 >= 0 && h4 >= 0) - { // valid 4 hex chars - ch = (char)((h1 << 12) | (h2 << 8) | (h3 << 4) | h4); - pos += 5; - - // only add as char - helper.AddChar(ch); - continue; - } - } - else - { - int h1 = HexToInt(s[pos + 1]); - int h2 = HexToInt(s[pos + 2]); - - if (h1 >= 0 && h2 >= 0) - { // valid 2 hex chars - byte b = (byte)((h1 << 4) | h2); - pos += 2; - - // don't add as char - helper.AddByte(b); - continue; - } - } - } - - if ((ch & 0xFF80) == 0) - helper.AddByte((byte)ch); // 7 bit have to go as bytes because of Unicode - else - helper.AddChar(ch); - } - - return helper.GetString(); - } - - private static int HexToInt(char h) - { - return (h >= '0' && h <= '9') ? h - '0' : - (h >= 'a' && h <= 'f') ? h - 'a' + 10 : - (h >= 'A' && h <= 'F') ? h - 'A' + 10 : - -1; - } - - private class UrlDecoder - { - private int _bufferSize; - - // Accumulate characters in a special array - private int _numChars; - private char[] _charBuffer; - - // Accumulate bytes for decoding into characters in a special array - private int _numBytes; - private byte[] _byteBuffer; - - // Encoding to convert chars to bytes - private Encoding _encoding; - - private void FlushBytes() - { - if (_numBytes > 0) - { - _numChars += _encoding.GetChars(_byteBuffer, 0, _numBytes, _charBuffer, _numChars); - _numBytes = 0; - } - } - - internal UrlDecoder(int bufferSize, Encoding encoding) - { - _bufferSize = bufferSize; - _encoding = encoding; - - _charBuffer = new char[bufferSize]; - // byte buffer created on demand - } - - internal void AddChar(char ch) - { - if (_numBytes > 0) - FlushBytes(); - - _charBuffer[_numChars++] = ch; - } - - internal void AddByte(byte b) - { - { - if (_byteBuffer == null) - _byteBuffer = new byte[_bufferSize]; - - _byteBuffer[_numBytes++] = b; - } - } - - internal string GetString() - { - if (_numBytes > 0) - FlushBytes(); - - if (_numChars > 0) - return new string(_charBuffer, 0, _numChars); - else - return string.Empty; - } - } - - - internal static void FillFromString(QueryParamCollection nvc, string s, bool urlencoded, Encoding encoding) - { - int l = (s != null) ? s.Length : 0; - int i = (s.Length > 0 && s[0] == '?') ? 1 : 0; - - while (i < l) - { - // find next & while noting first = on the way (and if there are more) - - int si = i; - int ti = -1; - - while (i < l) - { - char ch = s[i]; - - if (ch == '=') - { - if (ti < 0) - ti = i; - } - else if (ch == '&') - { - break; - } - - i++; - } - - // extract the name / value pair - - string name = null; - string value = null; - - if (ti >= 0) - { - name = s.Substring(si, ti - si); - value = s.Substring(ti + 1, i - ti - 1); - } - else - { - value = s.Substring(si, i - si); - } - - // add name / value pair to the collection - - if (urlencoded) - nvc.Add( - name == null ? null : UrlDecodeStringFromStringInternal(name, encoding), - UrlDecodeStringFromStringInternal(value, encoding)); - else - nvc.Add(name, value); - - // trailing '&' - - if (i == l - 1 && s[i] == '&') - nvc.Add(null, ""); - - i++; - } - } - } - } -} diff --git a/SocketHttpListener/Net/HttpListenerRequestUriBuilder.cs b/SocketHttpListener/Net/HttpListenerRequestUriBuilder.cs deleted file mode 100644 index 7b4b619e6..000000000 --- a/SocketHttpListener/Net/HttpListenerRequestUriBuilder.cs +++ /dev/null @@ -1,443 +0,0 @@ -using System; -using System.Collections.Generic; -using System.Diagnostics; -using System.Globalization; -using System.Text; - -namespace SocketHttpListener.Net -{ - // We don't use the cooked URL because http.sys unescapes all percent-encoded values. However, - // we also can't just use the raw Uri, since http.sys supports not only Utf-8, but also ANSI/DBCS and - // Unicode code points. System.Uri only supports Utf-8. - // The purpose of this class is to convert all ANSI, DBCS, and Unicode code points into percent encoded - // Utf-8 characters. - internal sealed class HttpListenerRequestUriBuilder - { - private static readonly Encoding s_utf8Encoding = new UTF8Encoding(false, true); - private static readonly Encoding s_ansiEncoding = Encoding.GetEncoding(0, new EncoderExceptionFallback(), new DecoderExceptionFallback()); - - private readonly string _rawUri; - private readonly string _cookedUriScheme; - private readonly string _cookedUriHost; - private readonly string _cookedUriPath; - private readonly string _cookedUriQuery; - - // This field is used to build the final request Uri string from the Uri parts passed to the ctor. - private StringBuilder _requestUriString; - - // The raw path is parsed by looping through all characters from left to right. 'rawOctets' - // is used to store consecutive percent encoded octets as actual byte values: e.g. for path /pa%C3%84th%2F/ - // rawOctets will be set to { 0xC3, 0x84 } when we reach character 't' and it will be { 0x2F } when - // we reach the final '/'. I.e. after a sequence of percent encoded octets ends, we use rawOctets as - // input to the encoding and percent encode the resulting string into UTF-8 octets. - // - // When parsing ANSI (Latin 1) encoded path '/pa%C4th/', %C4 will be added to rawOctets and when - // we reach 't', the content of rawOctets { 0xC4 } will be fed into the ANSI encoding. The resulting - // string 'Ä' will be percent encoded into UTF-8 octets and appended to requestUriString. The final - // path will be '/pa%C3%84th/', where '%C3%84' is the UTF-8 percent encoded character 'Ä'. - private List<byte> _rawOctets; - private string _rawPath; - - // Holds the final request Uri. - private Uri _requestUri; - - private HttpListenerRequestUriBuilder(string rawUri, string cookedUriScheme, string cookedUriHost, - string cookedUriPath, string cookedUriQuery) - { - _rawUri = rawUri; - _cookedUriScheme = cookedUriScheme; - _cookedUriHost = cookedUriHost; - _cookedUriPath = AddSlashToAsteriskOnlyPath(cookedUriPath); - _cookedUriQuery = cookedUriQuery ?? string.Empty; - } - - public static Uri GetRequestUri(string rawUri, string cookedUriScheme, string cookedUriHost, - string cookedUriPath, string cookedUriQuery) - { - var builder = new HttpListenerRequestUriBuilder(rawUri, - cookedUriScheme, cookedUriHost, cookedUriPath, cookedUriQuery); - - return builder.Build(); - } - - private Uri Build() - { - BuildRequestUriUsingRawPath(); - - if (_requestUri == null) - { - BuildRequestUriUsingCookedPath(); - } - - return _requestUri; - } - - private void BuildRequestUriUsingCookedPath() - { - bool isValid = Uri.TryCreate(_cookedUriScheme + Uri.SchemeDelimiter + _cookedUriHost + _cookedUriPath + - _cookedUriQuery, UriKind.Absolute, out _requestUri); - - // Creating a Uri from the cooked Uri should really always work: If not, we log at least. - if (!isValid) - { - //if (NetEventSource.IsEnabled) - // NetEventSource.Error(this, SR.Format(SR.net_log_listener_cant_create_uri, _cookedUriScheme, _cookedUriHost, _cookedUriPath, _cookedUriQuery)); - } - } - - private void BuildRequestUriUsingRawPath() - { - bool isValid = false; - - // Initialize 'rawPath' only if really needed; i.e. if we build the request Uri from the raw Uri. - _rawPath = GetPath(_rawUri); - - // Try to check the raw path using first the primary encoding (according to http.sys settings); - // if it fails try the secondary encoding. - ParsingResult result = BuildRequestUriUsingRawPath(GetEncoding(EncodingType.Primary)); - if (result == ParsingResult.EncodingError) - { - Encoding secondaryEncoding = GetEncoding(EncodingType.Secondary); - result = BuildRequestUriUsingRawPath(secondaryEncoding); - } - isValid = (result == ParsingResult.Success) ? true : false; - - // Log that we weren't able to create a Uri from the raw string. - if (!isValid) - { - //if (NetEventSource.IsEnabled) - // NetEventSource.Error(this, SR.Format(SR.net_log_listener_cant_create_uri, _cookedUriScheme, _cookedUriHost, _rawPath, _cookedUriQuery)); - } - } - - private static Encoding GetEncoding(EncodingType type) - { - Debug.Assert((type == EncodingType.Primary) || (type == EncodingType.Secondary), - "Unknown 'EncodingType' value: " + type.ToString()); - - if (type == EncodingType.Secondary) - { - return s_ansiEncoding; - } - else - { - return s_utf8Encoding; - } - } - - private ParsingResult BuildRequestUriUsingRawPath(Encoding encoding) - { - Debug.Assert(encoding != null, "'encoding' must be assigned."); - Debug.Assert(!string.IsNullOrEmpty(_rawPath), "'rawPath' must have at least one character."); - - _rawOctets = new List<byte>(); - _requestUriString = new StringBuilder(); - _requestUriString.Append(_cookedUriScheme); - _requestUriString.Append(Uri.SchemeDelimiter); - _requestUriString.Append(_cookedUriHost); - - ParsingResult result = ParseRawPath(encoding); - if (result == ParsingResult.Success) - { - _requestUriString.Append(_cookedUriQuery); - - Debug.Assert(_rawOctets.Count == 0, - "Still raw octets left. They must be added to the result path."); - - if (!Uri.TryCreate(_requestUriString.ToString(), UriKind.Absolute, out _requestUri)) - { - // If we can't create a Uri from the string, this is an invalid string and it doesn't make - // sense to try another encoding. - result = ParsingResult.InvalidString; - } - } - - if (result != ParsingResult.Success) - { - //if (NetEventSource.IsEnabled) - // NetEventSource.Error(this, SR.Format(SR.net_log_listener_cant_convert_raw_path, _rawPath, encoding.EncodingName)); - } - - return result; - } - - private ParsingResult ParseRawPath(Encoding encoding) - { - Debug.Assert(encoding != null, "'encoding' must be assigned."); - - int index = 0; - char current = '\0'; - while (index < _rawPath.Length) - { - current = _rawPath[index]; - if (current == '%') - { - // Assert is enough, since http.sys accepted the request string already. This should never happen. - Debug.Assert(index + 2 < _rawPath.Length, "Expected >=2 characters after '%' (e.g. %2F)"); - - index++; - current = _rawPath[index]; - if (current == 'u' || current == 'U') - { - // We found "%u" which means, we have a Unicode code point of the form "%uXXXX". - Debug.Assert(index + 4 < _rawPath.Length, "Expected >=4 characters after '%u' (e.g. %u0062)"); - - // Decode the content of rawOctets into percent encoded UTF-8 characters and append them - // to requestUriString. - if (!EmptyDecodeAndAppendRawOctetsList(encoding)) - { - return ParsingResult.EncodingError; - } - if (!AppendUnicodeCodePointValuePercentEncoded(_rawPath.Substring(index + 1, 4))) - { - return ParsingResult.InvalidString; - } - index += 5; - } - else - { - // We found '%', but not followed by 'u', i.e. we have a percent encoded octed: %XX - if (!AddPercentEncodedOctetToRawOctetsList(encoding, _rawPath.Substring(index, 2))) - { - return ParsingResult.InvalidString; - } - index += 2; - } - } - else - { - // We found a non-'%' character: decode the content of rawOctets into percent encoded - // UTF-8 characters and append it to the result. - if (!EmptyDecodeAndAppendRawOctetsList(encoding)) - { - return ParsingResult.EncodingError; - } - // Append the current character to the result. - _requestUriString.Append(current); - index++; - } - } - - // if the raw path ends with a sequence of percent encoded octets, make sure those get added to the - // result (requestUriString). - if (!EmptyDecodeAndAppendRawOctetsList(encoding)) - { - return ParsingResult.EncodingError; - } - - return ParsingResult.Success; - } - - private bool AppendUnicodeCodePointValuePercentEncoded(string codePoint) - { - // http.sys only supports %uXXXX (4 hex-digits), even though unicode code points could have up to - // 6 hex digits. Therefore we parse always 4 characters after %u and convert them to an int. - if (!int.TryParse(codePoint, NumberStyles.HexNumber, null, out var codePointValue)) - { - //if (NetEventSource.IsEnabled) - // NetEventSource.Error(this, SR.Format(SR.net_log_listener_cant_convert_percent_value, codePoint)); - return false; - } - - string unicodeString = null; - try - { - unicodeString = char.ConvertFromUtf32(codePointValue); - AppendOctetsPercentEncoded(_requestUriString, s_utf8Encoding.GetBytes(unicodeString)); - - return true; - } - catch (ArgumentOutOfRangeException) - { - //if (NetEventSource.IsEnabled) - // NetEventSource.Error(this, SR.Format(SR.net_log_listener_cant_convert_percent_value, codePoint)); - } - catch (EncoderFallbackException) - { - // If utf8Encoding.GetBytes() fails - //if (NetEventSource.IsEnabled) NetEventSource.Error(this, SR.Format(SR.net_log_listener_cant_convert_to_utf8, unicodeString, e.Message)); - } - - return false; - } - - private bool AddPercentEncodedOctetToRawOctetsList(Encoding encoding, string escapedCharacter) - { - if (!byte.TryParse(escapedCharacter, NumberStyles.HexNumber, null, out byte encodedValue)) - { - //if (NetEventSource.IsEnabled) NetEventSource.Error(this, SR.Format(SR.net_log_listener_cant_convert_percent_value, escapedCharacter)); - return false; - } - - _rawOctets.Add(encodedValue); - - return true; - } - - private bool EmptyDecodeAndAppendRawOctetsList(Encoding encoding) - { - if (_rawOctets.Count == 0) - { - return true; - } - - string decodedString = null; - try - { - // If the encoding can get a string out of the byte array, this is a valid string in the - // 'encoding' encoding. - decodedString = encoding.GetString(_rawOctets.ToArray()); - - if (encoding == s_utf8Encoding) - { - AppendOctetsPercentEncoded(_requestUriString, _rawOctets.ToArray()); - } - else - { - AppendOctetsPercentEncoded(_requestUriString, s_utf8Encoding.GetBytes(decodedString)); - } - - _rawOctets.Clear(); - - return true; - } - catch (DecoderFallbackException) - { - //if (NetEventSource.IsEnabled) NetEventSource.Error(this, SR.Format(SR.net_log_listener_cant_convert_bytes, GetOctetsAsString(_rawOctets), e.Message)); - } - catch (EncoderFallbackException) - { - // If utf8Encoding.GetBytes() fails - //if (NetEventSource.IsEnabled) NetEventSource.Error(this, SR.Format(SR.net_log_listener_cant_convert_to_utf8, decodedString, e.Message)); - } - - return false; - } - - private static void AppendOctetsPercentEncoded(StringBuilder target, IEnumerable<byte> octets) - { - foreach (byte octet in octets) - { - target.Append('%'); - target.Append(octet.ToString("X2", CultureInfo.InvariantCulture)); - } - } - - private static string GetOctetsAsString(IEnumerable<byte> octets) - { - var octetString = new StringBuilder(); - - bool first = true; - foreach (byte octet in octets) - { - if (first) - { - first = false; - } - else - { - octetString.Append(' '); - } - octetString.Append(octet.ToString("X2", CultureInfo.InvariantCulture)); - } - - return octetString.ToString(); - } - - private static string GetPath(string uriString) - { - Debug.Assert(uriString != null, "uriString must not be null"); - Debug.Assert(uriString.Length > 0, "uriString must not be empty"); - - int pathStartIndex = 0; - - // Perf. improvement: nearly all strings are relative Uris. So just look if the - // string starts with '/'. If so, we have a relative Uri and the path starts at position 0. - // (http.sys already trimmed leading whitespaces) - if (uriString[0] != '/') - { - // We can't check against cookedUriScheme, since http.sys allows for request http://myserver/ to - // use a request line 'GET https://myserver/' (note http vs. https). Therefore check if the - // Uri starts with either http:// or https://. - int authorityStartIndex = 0; - if (uriString.StartsWith("http://", StringComparison.OrdinalIgnoreCase)) - { - authorityStartIndex = 7; - } - else if (uriString.StartsWith("https://", StringComparison.OrdinalIgnoreCase)) - { - authorityStartIndex = 8; - } - - if (authorityStartIndex > 0) - { - // we have an absolute Uri. Find out where the authority ends and the path begins. - // Note that Uris like "http://server?query=value/1/2" are invalid according to RFC2616 - // and http.sys behavior: If the Uri contains a query, there must be at least one '/' - // between the authority and the '?' character: It's safe to just look for the first - // '/' after the authority to determine the beginning of the path. - pathStartIndex = uriString.IndexOf('/', authorityStartIndex); - if (pathStartIndex == -1) - { - // e.g. for request lines like: 'GET http://myserver' (no final '/') - pathStartIndex = uriString.Length; - } - } - else - { - // RFC2616: Request-URI = "*" | absoluteURI | abs_path | authority - // 'authority' can only be used with CONNECT which is never received by HttpListener. - // I.e. if we don't have an absolute path (must start with '/') and we don't have - // an absolute Uri (must start with http:// or https://), then 'uriString' must be '*'. - Debug.Assert((uriString.Length == 1) && (uriString[0] == '*'), "Unknown request Uri string format", - "Request Uri string is not an absolute Uri, absolute path, or '*': {0}", uriString); - - // Should we ever get here, be consistent with 2.0/3.5 behavior: just add an initial - // slash to the string and treat it as a path: - uriString = "/" + uriString; - } - } - - // Find end of path: The path is terminated by - // - the first '?' character - // - the first '#' character: This is never the case here, since http.sys won't accept - // Uris containing fragments. Also, RFC2616 doesn't allow fragments in request Uris. - // - end of Uri string - int queryIndex = uriString.IndexOf('?'); - if (queryIndex == -1) - { - queryIndex = uriString.Length; - } - - // will always return a != null string. - return AddSlashToAsteriskOnlyPath(uriString.Substring(pathStartIndex, queryIndex - pathStartIndex)); - } - - private static string AddSlashToAsteriskOnlyPath(string path) - { - Debug.Assert(path != null, "'path' must not be null"); - - // If a request like "OPTIONS * HTTP/1.1" is sent to the listener, then the request Uri - // should be "http[s]://server[:port]/*" to be compatible with pre-4.0 behavior. - if ((path.Length == 1) && (path[0] == '*')) - { - return "/*"; - } - - return path; - } - - private enum ParsingResult - { - Success, - InvalidString, - EncodingError - } - - private enum EncodingType - { - Primary, - Secondary - } - } -} diff --git a/SocketHttpListener/Net/HttpListenerResponse.Managed.cs b/SocketHttpListener/Net/HttpListenerResponse.Managed.cs deleted file mode 100644 index f595fce7c..000000000 --- a/SocketHttpListener/Net/HttpListenerResponse.Managed.cs +++ /dev/null @@ -1,333 +0,0 @@ -using System; -using System.Globalization; -using System.IO; -using System.Net; -using System.Text; -using System.Threading; -using System.Threading.Tasks; -using MediaBrowser.Model.IO; - -namespace SocketHttpListener.Net -{ - public sealed partial class HttpListenerResponse : IDisposable - { - private long _contentLength; - private Version _version = HttpVersion.Version11; - private int _statusCode = 200; - internal object _headersLock = new object(); - private bool _forceCloseChunked; - - internal HttpListenerResponse(HttpListenerContext context) - { - _httpContext = context; - } - - internal bool ForceCloseChunked => _forceCloseChunked; - - private void EnsureResponseStream() - { - if (_responseStream == null) - { - _responseStream = _httpContext.Connection.GetResponseStream(); - } - } - - public Version ProtocolVersion - { - get => _version; - set - { - CheckDisposed(); - if (value == null) - { - throw new ArgumentNullException(nameof(value)); - } - if (value.Major != 1 || (value.Minor != 0 && value.Minor != 1)) - { - throw new ArgumentException("Wrong version"); - } - - _version = new Version(value.Major, value.Minor); // match Windows behavior, trimming to just Major.Minor - } - } - - public int StatusCode - { - get => _statusCode; - set - { - CheckDisposed(); - - if (value < 100 || value > 999) - throw new ProtocolViolationException("Invalid status"); - - _statusCode = value; - } - } - - private void Dispose() - { - Close(true); - } - - public void Close() - { - if (Disposed) - return; - - Close(false); - } - - public void Abort() - { - if (Disposed) - return; - - Close(true); - } - - private void Close(bool force) - { - Disposed = true; - _httpContext.Connection.Close(force); - } - - public void Close(byte[] responseEntity, bool willBlock) - { - CheckDisposed(); - - if (responseEntity == null) - { - throw new ArgumentNullException(nameof(responseEntity)); - } - - if (!SentHeaders && _boundaryType != BoundaryType.Chunked) - { - ContentLength64 = responseEntity.Length; - } - - if (willBlock) - { - try - { - OutputStream.Write(responseEntity, 0, responseEntity.Length); - } - finally - { - Close(false); - } - } - else - { - OutputStream.BeginWrite(responseEntity, 0, responseEntity.Length, iar => - { - var thisRef = (HttpListenerResponse)iar.AsyncState; - try - { - try - { - thisRef.OutputStream.EndWrite(iar); - } - finally - { - thisRef.Close(false); - } - } - catch (Exception) - { - // In case response was disposed during this time - } - }, this); - } - } - - public void CopyFrom(HttpListenerResponse templateResponse) - { - _webHeaders.Clear(); - //_webHeaders.Add(templateResponse._webHeaders); - _contentLength = templateResponse._contentLength; - _statusCode = templateResponse._statusCode; - _statusDescription = templateResponse._statusDescription; - _keepAlive = templateResponse._keepAlive; - _version = templateResponse._version; - } - - internal void SendHeaders(bool closing, MemoryStream ms, bool isWebSocketHandshake = false) - { - if (!isWebSocketHandshake) - { - if (_webHeaders["Server"] == null) - { - _webHeaders.Set("Server", "Microsoft-NetCore/2.0"); - } - - if (_webHeaders["Date"] == null) - { - _webHeaders.Set("Date", DateTime.UtcNow.ToString("r", CultureInfo.InvariantCulture)); - } - - if (_boundaryType == BoundaryType.None) - { - if (HttpListenerRequest.ProtocolVersion <= HttpVersion.Version10) - { - _keepAlive = false; - } - else - { - _boundaryType = BoundaryType.Chunked; - } - - if (CanSendResponseBody(_httpContext.Response.StatusCode)) - { - _contentLength = -1; - } - else - { - _boundaryType = BoundaryType.ContentLength; - _contentLength = 0; - } - } - - if (_boundaryType != BoundaryType.Chunked) - { - if (_boundaryType != BoundaryType.ContentLength && closing) - { - _contentLength = CanSendResponseBody(_httpContext.Response.StatusCode) ? -1 : 0; - } - - if (_boundaryType == BoundaryType.ContentLength) - { - _webHeaders.Set("Content-Length", _contentLength.ToString("D", CultureInfo.InvariantCulture)); - } - } - - /* Apache forces closing the connection for these status codes: - * HttpStatusCode.BadRequest 400 - * HttpStatusCode.RequestTimeout 408 - * HttpStatusCode.LengthRequired 411 - * HttpStatusCode.RequestEntityTooLarge 413 - * HttpStatusCode.RequestUriTooLong 414 - * HttpStatusCode.InternalServerError 500 - * HttpStatusCode.ServiceUnavailable 503 - */ - bool conn_close = (_statusCode == (int)HttpStatusCode.BadRequest || _statusCode == (int)HttpStatusCode.RequestTimeout - || _statusCode == (int)HttpStatusCode.LengthRequired || _statusCode == (int)HttpStatusCode.RequestEntityTooLarge - || _statusCode == (int)HttpStatusCode.RequestUriTooLong || _statusCode == (int)HttpStatusCode.InternalServerError - || _statusCode == (int)HttpStatusCode.ServiceUnavailable); - - if (!conn_close) - { - conn_close = !_httpContext.Request.KeepAlive; - } - - // They sent both KeepAlive: true and Connection: close - if (!_keepAlive || conn_close) - { - _webHeaders.Set("Connection", "Close"); - conn_close = true; - } - - if (SendChunked) - { - _webHeaders.Set("Transfer-Encoding", "Chunked"); - } - - int reuses = _httpContext.Connection.Reuses; - if (reuses >= 100) - { - _forceCloseChunked = true; - if (!conn_close) - { - _webHeaders.Set("Connection", "Close"); - conn_close = true; - } - } - - if (HttpListenerRequest.ProtocolVersion <= HttpVersion.Version10) - { - if (_keepAlive) - { - Headers["Keep-Alive"] = "true"; - } - - if (!conn_close) - { - _webHeaders.Set("Connection", "Keep-Alive"); - } - } - - ComputeCookies(); - } - - var encoding = Encoding.UTF8; - var writer = new StreamWriter(ms, encoding, 256); - writer.Write("HTTP/1.1 {0} ", _statusCode); // "1.1" matches Windows implementation, which ignores the response version - writer.Flush(); - byte[] statusDescriptionBytes = WebHeaderEncoding.GetBytes(StatusDescription); - ms.Write(statusDescriptionBytes, 0, statusDescriptionBytes.Length); - writer.Write("\r\n"); - - writer.Write(FormatHeaders(_webHeaders)); - writer.Flush(); - int preamble = encoding.GetPreamble().Length; - EnsureResponseStream(); - - /* Assumes that the ms was at position 0 */ - ms.Position = preamble; - SentHeaders = !isWebSocketHandshake; - } - - private static bool HeaderCanHaveEmptyValue(string name) => - !string.Equals(name, "Location", StringComparison.OrdinalIgnoreCase); - - private static string FormatHeaders(WebHeaderCollection headers) - { - var sb = new StringBuilder(); - - for (int i = 0; i < headers.Count; i++) - { - string key = headers.GetKey(i); - string[] values = headers.GetValues(i); - - int startingLength = sb.Length; - - sb.Append(key).Append(": "); - bool anyValues = false; - for (int j = 0; j < values.Length; j++) - { - string value = values[j]; - if (!string.IsNullOrWhiteSpace(value)) - { - if (anyValues) - { - sb.Append(", "); - } - sb.Append(value); - anyValues = true; - } - } - - if (anyValues || HeaderCanHaveEmptyValue(key)) - { - // Complete the header - sb.Append("\r\n"); - } - else - { - // Empty header; remove it. - sb.Length = startingLength; - } - } - - return sb.Append("\r\n").ToString(); - } - - private bool Disposed { get; set; } - internal bool SentHeaders { get; set; } - - public Task TransmitFile(string path, long offset, long count, FileShareMode fileShareMode, CancellationToken cancellationToken) - { - return ((HttpResponseStream)OutputStream).TransmitFile(path, offset, count, fileShareMode, cancellationToken); - } - } -} diff --git a/SocketHttpListener/Net/HttpListenerResponse.cs b/SocketHttpListener/Net/HttpListenerResponse.cs deleted file mode 100644 index 66ef88564..000000000 --- a/SocketHttpListener/Net/HttpListenerResponse.cs +++ /dev/null @@ -1,294 +0,0 @@ -using System; -using System.IO; -using System.Net; -using System.Text; - -namespace SocketHttpListener.Net -{ - public sealed partial class HttpListenerResponse : IDisposable - { - private BoundaryType _boundaryType = BoundaryType.None; - private CookieCollection _cookies; - private HttpListenerContext _httpContext; - private bool _keepAlive = true; - private HttpResponseStream _responseStream; - private string _statusDescription; - private WebHeaderCollection _webHeaders = new WebHeaderCollection(); - - public WebHeaderCollection Headers => _webHeaders; - - public Encoding ContentEncoding { get; set; } - - public string ContentType - { - get => Headers["Content-Type"]; - set - { - CheckDisposed(); - if (string.IsNullOrEmpty(value)) - { - Headers.Remove("Content-Type"); - } - else - { - Headers.Set("Content-Type", value); - } - } - } - - private HttpListenerContext HttpListenerContext => _httpContext; - - private HttpListenerRequest HttpListenerRequest => HttpListenerContext.Request; - - internal EntitySendFormat EntitySendFormat - { - get => (EntitySendFormat)_boundaryType; - set - { - CheckDisposed(); - CheckSentHeaders(); - if (value == EntitySendFormat.Chunked && HttpListenerRequest.ProtocolVersion.Minor == 0) - { - throw new ProtocolViolationException("net_nochunkuploadonhttp10"); - } - _boundaryType = (BoundaryType)value; - if (value != EntitySendFormat.ContentLength) - { - _contentLength = -1; - } - } - } - - public bool SendChunked - { - get => EntitySendFormat == EntitySendFormat.Chunked; - set => EntitySendFormat = value ? EntitySendFormat.Chunked : EntitySendFormat.ContentLength; - } - - // We MUST NOT send message-body when we send responses with these Status codes - private static readonly int[] s_noResponseBody = { 100, 101, 204, 205, 304 }; - - private static bool CanSendResponseBody(int responseCode) - { - for (int i = 0; i < s_noResponseBody.Length; i++) - { - if (responseCode == s_noResponseBody[i]) - { - return false; - } - } - return true; - } - - public long ContentLength64 - { - get => _contentLength; - set - { - CheckDisposed(); - CheckSentHeaders(); - if (value >= 0) - { - _contentLength = value; - _boundaryType = BoundaryType.ContentLength; - } - else - { - throw new ArgumentOutOfRangeException(nameof(value)); - } - } - } - - public CookieCollection Cookies - { - get => _cookies ?? (_cookies = new CookieCollection()); - set => _cookies = value; - } - - public bool KeepAlive - { - get => _keepAlive; - set - { - CheckDisposed(); - _keepAlive = value; - } - } - - public Stream OutputStream - { - get - { - CheckDisposed(); - EnsureResponseStream(); - return _responseStream; - } - } - - public string RedirectLocation - { - get => Headers["Location"]; - set - { - // note that this doesn't set the status code to a redirect one - CheckDisposed(); - if (string.IsNullOrEmpty(value)) - { - Headers.Remove("Location"); - } - else - { - Headers.Set("Location", value); - } - } - } - - public string StatusDescription - { - get - { - if (_statusDescription == null) - { - // if the user hasn't set this, generated on the fly, if possible. - // We know this one is safe, no need to verify it as in the setter. - _statusDescription = HttpStatusDescription.Get(StatusCode); - } - if (_statusDescription == null) - { - _statusDescription = string.Empty; - } - return _statusDescription; - } - set - { - CheckDisposed(); - if (value == null) - { - throw new ArgumentNullException(nameof(value)); - } - - // Need to verify the status description doesn't contain any control characters except HT. We mask off the high - // byte since that's how it's encoded. - for (int i = 0; i < value.Length; i++) - { - char c = (char)(0x000000ff & (uint)value[i]); - if ((c <= 31 && c != (byte)'\t') || c == 127) - { - throw new ArgumentException("net_WebHeaderInvalidControlChars"); - } - } - - _statusDescription = value; - } - } - - public void AddHeader(string name, string value) - { - Headers.Set(name, value); - } - - public void AppendHeader(string name, string value) - { - Headers.Add(name, value); - } - - public void AppendCookie(Cookie cookie) - { - if (cookie == null) - { - throw new ArgumentNullException(nameof(cookie)); - } - Cookies.Add(cookie); - } - - private void ComputeCookies() - { - if (_cookies != null) - { - // now go through the collection, and concatenate all the cookies in per-variant strings - //string setCookie2 = null, setCookie = null; - //for (int index = 0; index < _cookies.Count; index++) - //{ - // Cookie cookie = _cookies[index]; - // string cookieString = cookie.ToServerString(); - // if (cookieString == null || cookieString.Length == 0) - // { - // continue; - // } - - // if (cookie.IsRfc2965Variant()) - // { - // setCookie2 = setCookie2 == null ? cookieString : setCookie2 + ", " + cookieString; - // } - // else - // { - // setCookie = setCookie == null ? cookieString : setCookie + ", " + cookieString; - // } - //} - - //if (!string.IsNullOrEmpty(setCookie)) - //{ - // Headers.Set(HttpKnownHeaderNames.SetCookie, setCookie); - // if (string.IsNullOrEmpty(setCookie2)) - // { - // Headers.Remove(HttpKnownHeaderNames.SetCookie2); - // } - //} - - //if (!string.IsNullOrEmpty(setCookie2)) - //{ - // Headers.Set(HttpKnownHeaderNames.SetCookie2, setCookie2); - // if (string.IsNullOrEmpty(setCookie)) - // { - // Headers.Remove(HttpKnownHeaderNames.SetCookie); - // } - //} - } - } - - public void Redirect(string url) - { - Headers["Location"] = url; - StatusCode = (int)HttpStatusCode.Redirect; - StatusDescription = "Found"; - } - - public void SetCookie(Cookie cookie) - { - if (cookie == null) - { - throw new ArgumentNullException(nameof(cookie)); - } - - //Cookie newCookie = cookie.Clone(); - //int added = Cookies.InternalAdd(newCookie, true); - - //if (added != 1) - //{ - // // The Cookie already existed and couldn't be replaced. - // throw new ArgumentException("Cookie exists"); - //} - } - - void IDisposable.Dispose() - { - Dispose(); - } - - private void CheckDisposed() - { - if (Disposed) - { - throw new ObjectDisposedException(GetType().FullName); - } - } - - private void CheckSentHeaders() - { - if (SentHeaders) - { - throw new InvalidOperationException(); - } - } - } -} diff --git a/SocketHttpListener/Net/HttpRequestStream.Managed.cs b/SocketHttpListener/Net/HttpRequestStream.Managed.cs deleted file mode 100644 index 42fc4d97c..000000000 --- a/SocketHttpListener/Net/HttpRequestStream.Managed.cs +++ /dev/null @@ -1,210 +0,0 @@ -using System; -using System.IO; - -namespace SocketHttpListener.Net -{ - // Licensed to the .NET Foundation under one or more agreements. - // See the LICENSE file in the project root for more information. - // - // System.Net.ResponseStream - // - // Author: - // Gonzalo Paniagua Javier (gonzalo@novell.com) - // - // Copyright (c) 2005 Novell, Inc. (http://www.novell.com) - // - // Permission is hereby granted, free of charge, to any person obtaining - // a copy of this software and associated documentation files (the - // "Software"), to deal in the Software without restriction, including - // without limitation the rights to use, copy, modify, merge, publish, - // distribute, sublicense, and/or sell copies of the Software, and to - // permit persons to whom the Software is furnished to do so, subject to - // the following conditions: - // - // The above copyright notice and this permission notice shall be - // included in all copies or substantial portions of the Software. - // - // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE - // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - // - - internal partial class HttpRequestStream : Stream - { - private byte[] _buffer; - private int _offset; - private int _length; - private long _remainingBody; - protected bool _closed; - private Stream _stream; - - internal HttpRequestStream(Stream stream, byte[] buffer, int offset, int length) - : this(stream, buffer, offset, length, -1) - { - } - - internal HttpRequestStream(Stream stream, byte[] buffer, int offset, int length, long contentlength) - { - _stream = stream; - _buffer = buffer; - _offset = offset; - _length = length; - _remainingBody = contentlength; - } - - // Returns 0 if we can keep reading from the base stream, - // > 0 if we read something from the buffer. - // -1 if we had a content length set and we finished reading that many bytes. - private int FillFromBuffer(byte[] buffer, int offset, int count) - { - if (_remainingBody == 0) - return -1; - - if (_length == 0) - return 0; - - int size = Math.Min(_length, count); - if (_remainingBody > 0) - size = (int)Math.Min(size, _remainingBody); - - if (_offset > _buffer.Length - size) - { - size = Math.Min(size, _buffer.Length - _offset); - } - if (size == 0) - return 0; - - Buffer.BlockCopy(_buffer, _offset, buffer, offset, size); - _offset += size; - _length -= size; - if (_remainingBody > 0) - _remainingBody -= size; - return size; - } - - protected virtual int ReadCore(byte[] buffer, int offset, int size) - { - // Call FillFromBuffer to check for buffer boundaries even when remaining_body is 0 - int nread = FillFromBuffer(buffer, offset, size); - if (nread == -1) - { // No more bytes available (Content-Length) - return 0; - } - else if (nread > 0) - { - return nread; - } - - if (_remainingBody > 0) - { - size = (int)Math.Min(_remainingBody, (long)size); - } - - nread = _stream.Read(buffer, offset, size); - - if (_remainingBody > 0) - { - if (nread == 0) - { - throw new Exception("Bad request"); - } - - //Debug.Assert(nread <= _remainingBody); - _remainingBody -= nread; - } - - return nread; - } - - protected virtual IAsyncResult BeginReadCore(byte[] buffer, int offset, int size, AsyncCallback cback, object state) - { - if (size == 0 || _closed) - { - var ares = new HttpStreamAsyncResult(this); - ares._callback = cback; - ares._state = state; - ares.Complete(); - return ares; - } - - int nread = FillFromBuffer(buffer, offset, size); - if (nread > 0 || nread == -1) - { - var ares = new HttpStreamAsyncResult(this); - ares._buffer = buffer; - ares._offset = offset; - ares._count = size; - ares._callback = cback; - ares._state = state; - ares._synchRead = Math.Max(0, nread); - ares.Complete(); - return ares; - } - - // Avoid reading past the end of the request to allow - // for HTTP pipelining - if (_remainingBody >= 0 && size > _remainingBody) - { - size = (int)Math.Min(_remainingBody, (long)size); - } - - return _stream.BeginRead(buffer, offset, size, cback, state); - } - - public override int EndRead(IAsyncResult asyncResult) - { - if (asyncResult == null) - throw new ArgumentNullException(nameof(asyncResult)); - - var r = asyncResult as HttpStreamAsyncResult; - if (r != null) - { - if (!ReferenceEquals(this, r._parent)) - { - throw new ArgumentException("Invalid async result"); - } - if (r._endCalled) - { - throw new InvalidOperationException("invalid end call"); - } - r._endCalled = true; - - if (!asyncResult.IsCompleted) - { - asyncResult.AsyncWaitHandle.WaitOne(); - } - - return r._synchRead; - } - - if (_closed) - return 0; - - int nread = 0; - try - { - nread = _stream.EndRead(asyncResult); - } - catch (IOException e) when (e.InnerException is ArgumentException || e.InnerException is InvalidOperationException) - { - throw e.InnerException; - } - - if (_remainingBody > 0) - { - if (nread == 0) - { - throw new Exception("Bad request"); - } - - _remainingBody -= nread; - } - - return nread; - } - } -} diff --git a/SocketHttpListener/Net/HttpRequestStream.cs b/SocketHttpListener/Net/HttpRequestStream.cs deleted file mode 100644 index 1c554df20..000000000 --- a/SocketHttpListener/Net/HttpRequestStream.cs +++ /dev/null @@ -1,129 +0,0 @@ -using System; -using System.IO; -using System.Threading; -using System.Threading.Tasks; - -namespace SocketHttpListener.Net -{ - // Licensed to the .NET Foundation under one or more agreements. - // See the LICENSE file in the project root for more information. - // - // System.Net.ResponseStream - // - // Author: - // Gonzalo Paniagua Javier (gonzalo@novell.com) - // - // Copyright (c) 2005 Novell, Inc. (http://www.novell.com) - // - // Permission is hereby granted, free of charge, to any person obtaining - // a copy of this software and associated documentation files (the - // "Software"), to deal in the Software without restriction, including - // without limitation the rights to use, copy, modify, merge, publish, - // distribute, sublicense, and/or sell copies of the Software, and to - // permit persons to whom the Software is furnished to do so, subject to - // the following conditions: - // - // The above copyright notice and this permission notice shall be - // included in all copies or substantial portions of the Software. - // - // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE - // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - // - - internal partial class HttpRequestStream : Stream - { - public override bool CanSeek => false; - public override bool CanWrite => false; - public override bool CanRead => true; - - public override int Read(byte[] buffer, int offset, int size) - { - if (buffer == null) - { - throw new ArgumentNullException(nameof(buffer)); - } - if (offset < 0 || offset > buffer.Length) - { - throw new ArgumentOutOfRangeException(nameof(offset)); - } - if (size < 0 || size > buffer.Length - offset) - { - throw new ArgumentOutOfRangeException(nameof(size)); - } - if (size == 0 || _closed) - { - return 0; - } - - return ReadCore(buffer, offset, size); - } - - public override IAsyncResult BeginRead(byte[] buffer, int offset, int size, AsyncCallback callback, object state) - { - if (buffer == null) - { - throw new ArgumentNullException(nameof(buffer)); - } - if (offset < 0 || offset > buffer.Length) - { - throw new ArgumentOutOfRangeException(nameof(offset)); - } - if (size < 0 || size > buffer.Length - offset) - { - throw new ArgumentOutOfRangeException(nameof(size)); - } - - return BeginReadCore(buffer, offset, size, callback, state); - } - - public override void Flush() { } - public override Task FlushAsync(CancellationToken cancellationToken) => Task.CompletedTask; - - public override long Length => throw new NotImplementedException(); - - public override long Position - { - get => throw new NotImplementedException(); - - set => throw new NotImplementedException(); - } - - public override long Seek(long offset, SeekOrigin origin) - { - throw new NotImplementedException(); - } - - public override void SetLength(long value) - { - throw new NotImplementedException(); - } - - public override void Write(byte[] buffer, int offset, int count) - { - throw new NotImplementedException(); - } - - public override IAsyncResult BeginWrite(byte[] buffer, int offset, int count, AsyncCallback callback, object state) - { - return base.BeginWrite(buffer, offset, count, callback, state); - } - - public override void EndWrite(IAsyncResult asyncResult) - { - base.EndWrite(asyncResult); - } - - internal bool Closed => _closed; - - protected override void Dispose(bool disposing) - { - _closed = true; - base.Dispose(disposing); - } - } -} diff --git a/SocketHttpListener/Net/HttpResponseStream.Managed.cs b/SocketHttpListener/Net/HttpResponseStream.Managed.cs deleted file mode 100644 index 5d02a9c95..000000000 --- a/SocketHttpListener/Net/HttpResponseStream.Managed.cs +++ /dev/null @@ -1,329 +0,0 @@ -using System; -using System.IO; -using System.Net; -using System.Net.Sockets; -using System.Text; -using System.Threading; -using System.Threading.Tasks; -using MediaBrowser.Model.IO; -using MediaBrowser.Model.System; -using Microsoft.Extensions.Logging; - -namespace SocketHttpListener.Net -{ - // Licensed to the .NET Foundation under one or more agreements. - // See the LICENSE file in the project root for more information. - // - // System.Net.ResponseStream - // - // Author: - // Gonzalo Paniagua Javier (gonzalo@novell.com) - // - // Copyright (c) 2005 Novell, Inc. (http://www.novell.com) - // - // Permission is hereby granted, free of charge, to any person obtaining - // a copy of this software and associated documentation files (the - // "Software"), to deal in the Software without restriction, including - // without limitation the rights to use, copy, modify, merge, publish, - // distribute, sublicense, and/or sell copies of the Software, and to - // permit persons to whom the Software is furnished to do so, subject to - // the following conditions: - // - // The above copyright notice and this permission notice shall be - // included in all copies or substantial portions of the Software. - // - // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE - // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - // - - internal partial class HttpResponseStream : Stream - { - private HttpListenerResponse _response; - private bool _ignore_errors; - private bool _trailer_sent; - private Stream _stream; - private readonly IStreamHelper _streamHelper; - private readonly Socket _socket; - private readonly bool _supportsDirectSocketAccess; - private readonly IEnvironmentInfo _environment; - private readonly IFileSystem _fileSystem; - private readonly ILogger _logger; - - internal HttpResponseStream(Stream stream, HttpListenerResponse response, bool ignore_errors, IStreamHelper streamHelper, Socket socket, bool supportsDirectSocketAccess, IEnvironmentInfo environment, IFileSystem fileSystem, ILogger logger) - { - _response = response; - _ignore_errors = ignore_errors; - _streamHelper = streamHelper; - _socket = socket; - _supportsDirectSocketAccess = supportsDirectSocketAccess; - _environment = environment; - _fileSystem = fileSystem; - _logger = logger; - _stream = stream; - } - - private void DisposeCore() - { - byte[] bytes = null; - MemoryStream ms = GetHeaders(true); - bool chunked = _response.SendChunked; - if (_stream.CanWrite) - { - try - { - if (ms != null) - { - long start = ms.Position; - if (chunked && !_trailer_sent) - { - bytes = GetChunkSizeBytes(0, true); - ms.Position = ms.Length; - ms.Write(bytes, 0, bytes.Length); - } - InternalWrite(ms.GetBuffer(), (int)start, (int)(ms.Length - start)); - _trailer_sent = true; - } - else if (chunked && !_trailer_sent) - { - bytes = GetChunkSizeBytes(0, true); - InternalWrite(bytes, 0, bytes.Length); - _trailer_sent = true; - } - } - catch (HttpListenerException) - { - // Ignore error due to connection reset by peer - } - } - _response.Close(); - } - - internal async Task WriteWebSocketHandshakeHeadersAsync() - { - if (_closed) - throw new ObjectDisposedException(GetType().ToString()); - - if (_stream.CanWrite) - { - MemoryStream ms = GetHeaders(closing: false, isWebSocketHandshake: true); - bool chunked = _response.SendChunked; - - long start = ms.Position; - if (chunked) - { - byte[] bytes = GetChunkSizeBytes(0, true); - ms.Position = ms.Length; - ms.Write(bytes, 0, bytes.Length); - } - - await InternalWriteAsync(ms.GetBuffer(), (int)start, (int)(ms.Length - start)).ConfigureAwait(false); - await _stream.FlushAsync().ConfigureAwait(false); - } - } - - private MemoryStream GetHeaders(bool closing, bool isWebSocketHandshake = false) - { - //// SendHeaders works on shared headers - //lock (_response.headers_lock) - //{ - // if (_response.HeadersSent) - // return null; - // var ms = CreateNew(); - // _response.SendHeaders(closing, ms); - // return ms; - //} - - // SendHeaders works on shared headers - lock (_response._headersLock) - { - if (_response.SentHeaders) - { - return null; - } - - MemoryStream ms = new MemoryStream(); - _response.SendHeaders(closing, ms, isWebSocketHandshake); - return ms; - } - } - - private static byte[] s_crlf = new byte[] { 13, 10 }; - private static byte[] GetChunkSizeBytes(int size, bool final) - { - string str = string.Format("{0:x}\r\n{1}", size, final ? "\r\n" : ""); - return Encoding.ASCII.GetBytes(str); - } - - internal void InternalWrite(byte[] buffer, int offset, int count) - { - if (_ignore_errors) - { - try - { - _stream.Write(buffer, offset, count); - } - catch { } - } - else - { - _stream.Write(buffer, offset, count); - } - } - - internal Task InternalWriteAsync(byte[] buffer, int offset, int count) => - _ignore_errors ? InternalWriteIgnoreErrorsAsync(buffer, offset, count) : _stream.WriteAsync(buffer, offset, count); - - private async Task InternalWriteIgnoreErrorsAsync(byte[] buffer, int offset, int count) - { - try { await _stream.WriteAsync(buffer, offset, count).ConfigureAwait(false); } - catch { } - } - - private void WriteCore(byte[] buffer, int offset, int size) - { - if (size == 0) - return; - - byte[] bytes = null; - MemoryStream ms = GetHeaders(false); - bool chunked = _response.SendChunked; - if (ms != null) - { - long start = ms.Position; // After the possible preamble for the encoding - ms.Position = ms.Length; - if (chunked) - { - bytes = GetChunkSizeBytes(size, false); - ms.Write(bytes, 0, bytes.Length); - } - - int new_count = Math.Min(size, 16384 - (int)ms.Position + (int)start); - ms.Write(buffer, offset, new_count); - size -= new_count; - offset += new_count; - InternalWrite(ms.GetBuffer(), (int)start, (int)(ms.Length - start)); - ms.SetLength(0); - ms.Capacity = 0; // 'dispose' the buffer in ms. - } - else if (chunked) - { - bytes = GetChunkSizeBytes(size, false); - InternalWrite(bytes, 0, bytes.Length); - } - - if (size > 0) - InternalWrite(buffer, offset, size); - if (chunked) - InternalWrite(s_crlf, 0, 2); - } - - private IAsyncResult BeginWriteCore(byte[] buffer, int offset, int size, AsyncCallback cback, object state) - { - if (_closed) - { - var ares = new HttpStreamAsyncResult(this); - ares._callback = cback; - ares._state = state; - ares.Complete(); - return ares; - } - - byte[] bytes = null; - MemoryStream ms = GetHeaders(false); - bool chunked = _response.SendChunked; - if (ms != null) - { - long start = ms.Position; - ms.Position = ms.Length; - if (chunked) - { - bytes = GetChunkSizeBytes(size, false); - ms.Write(bytes, 0, bytes.Length); - } - ms.Write(buffer, offset, size); - buffer = ms.GetBuffer(); - offset = (int)start; - size = (int)(ms.Position - start); - } - else if (chunked) - { - bytes = GetChunkSizeBytes(size, false); - InternalWrite(bytes, 0, bytes.Length); - } - - return _stream.BeginWrite(buffer, offset, size, cback, state); - } - - private void EndWriteCore(IAsyncResult asyncResult) - { - if (_closed) - return; - - if (_ignore_errors) - { - try - { - _stream.EndWrite(asyncResult); - if (_response.SendChunked) - _stream.Write(s_crlf, 0, 2); - } - catch { } - } - else - { - _stream.EndWrite(asyncResult); - if (_response.SendChunked) - _stream.Write(s_crlf, 0, 2); - } - } - - public Task TransmitFile(string path, long offset, long count, FileShareMode fileShareMode, CancellationToken cancellationToken) - { - return TransmitFileManaged(path, offset, count, fileShareMode, cancellationToken); - } - - const int StreamCopyToBufferSize = 81920; - private async Task TransmitFileManaged(string path, long offset, long count, FileShareMode fileShareMode, CancellationToken cancellationToken) - { - var allowAsync = _environment.OperatingSystem != MediaBrowser.Model.System.OperatingSystem.Windows; - - //if (count <= 0) - //{ - // allowAsync = true; - //} - - var fileOpenOptions = FileOpenOptions.SequentialScan; - - if (allowAsync) - { - fileOpenOptions |= FileOpenOptions.Asynchronous; - } - - // use non-async filestream along with read due to https://github.com/dotnet/corefx/issues/6039 - - using (var fs = _fileSystem.GetFileStream(path, FileOpenMode.Open, FileAccessMode.Read, fileShareMode, fileOpenOptions)) - { - if (offset > 0) - { - fs.Position = offset; - } - - var targetStream = this; - - if (count > 0) - { - await _streamHelper.CopyToAsync(fs, targetStream, count, cancellationToken).ConfigureAwait(false); - } - else - { - await fs.CopyToAsync(targetStream, StreamCopyToBufferSize, cancellationToken).ConfigureAwait(false); - } - } - } - } -} diff --git a/SocketHttpListener/Net/HttpResponseStream.cs b/SocketHttpListener/Net/HttpResponseStream.cs deleted file mode 100644 index 085c2ad0c..000000000 --- a/SocketHttpListener/Net/HttpResponseStream.cs +++ /dev/null @@ -1,124 +0,0 @@ -using System; -using System.IO; -using System.Threading; -using System.Threading.Tasks; - -namespace SocketHttpListener.Net -{ - internal sealed partial class HttpResponseStream : Stream - { - private bool _closed; - internal bool Closed => _closed; - - public override bool CanRead => false; - public override bool CanSeek => false; - public override bool CanWrite => true; - - public override void Flush() { } - public override Task FlushAsync(CancellationToken cancellationToken) => Task.CompletedTask; - - public override long Length => throw new NotImplementedException(); - - public override long Position - { - get => throw new NotImplementedException(); - - set => throw new NotImplementedException(); - } - - public override long Seek(long offset, SeekOrigin origin) - { - throw new NotImplementedException(); - } - - public override void SetLength(long value) - { - throw new NotImplementedException(); - } - - public override int Read(byte[] buffer, int offset, int count) - { - throw new NotImplementedException(); - } - - public override IAsyncResult BeginRead(byte[] buffer, int offset, int count, AsyncCallback callback, object state) - { - return base.BeginRead(buffer, offset, count, callback, state); - } - - public override int EndRead(IAsyncResult asyncResult) - { - return base.EndRead(asyncResult); - } - - public override void Write(byte[] buffer, int offset, int size) - { - if (buffer == null) - { - throw new ArgumentNullException(nameof(buffer)); - } - if (offset < 0 || offset > buffer.Length) - { - throw new ArgumentOutOfRangeException(nameof(offset)); - } - if (size < 0 || size > buffer.Length - offset) - { - throw new ArgumentOutOfRangeException(nameof(size)); - } - if (_closed) - { - return; - } - - WriteCore(buffer, offset, size); - } - - public override IAsyncResult BeginWrite(byte[] buffer, int offset, int size, AsyncCallback callback, object state) - { - if (buffer == null) - { - throw new ArgumentNullException(nameof(buffer)); - } - if (offset < 0 || offset > buffer.Length) - { - throw new ArgumentOutOfRangeException(nameof(offset)); - } - if (size < 0 || size > buffer.Length - offset) - { - throw new ArgumentOutOfRangeException(nameof(size)); - } - - return BeginWriteCore(buffer, offset, size, callback, state); - } - - public override void EndWrite(IAsyncResult asyncResult) - { - if (asyncResult == null) - { - throw new ArgumentNullException(nameof(asyncResult)); - } - - EndWriteCore(asyncResult); - } - - protected override void Dispose(bool disposing) - { - try - { - if (disposing) - { - if (_closed) - { - return; - } - _closed = true; - DisposeCore(); - } - } - finally - { - base.Dispose(disposing); - } - } - } -} diff --git a/SocketHttpListener/Net/HttpStatusCode.cs b/SocketHttpListener/Net/HttpStatusCode.cs deleted file mode 100644 index d4bb61b8a..000000000 --- a/SocketHttpListener/Net/HttpStatusCode.cs +++ /dev/null @@ -1,321 +0,0 @@ -namespace SocketHttpListener.Net -{ - /// <summary> - /// Contains the values of the HTTP status codes. - /// </summary> - /// <remarks> - /// The HttpStatusCode enumeration contains the values of the HTTP status codes defined in - /// <see href="http://tools.ietf.org/html/rfc2616#section-10">RFC 2616</see> for HTTP 1.1. - /// </remarks> - public enum HttpStatusCode - { - /// <summary> - /// Equivalent to status code 100. - /// Indicates that the client should continue with its request. - /// </summary> - Continue = 100, - /// <summary> - /// Equivalent to status code 101. - /// Indicates that the server is switching the HTTP version or protocol on the connection. - /// </summary> - SwitchingProtocols = 101, - /// <summary> - /// Equivalent to status code 200. - /// Indicates that the client's request has succeeded. - /// </summary> - OK = 200, - /// <summary> - /// Equivalent to status code 201. - /// Indicates that the client's request has been fulfilled and resulted in a new resource being - /// created. - /// </summary> - Created = 201, - /// <summary> - /// Equivalent to status code 202. - /// Indicates that the client's request has been accepted for processing, but the processing - /// hasn't been completed. - /// </summary> - Accepted = 202, - /// <summary> - /// Equivalent to status code 203. - /// Indicates that the returned metainformation is from a local or a third-party copy instead of - /// the origin server. - /// </summary> - NonAuthoritativeInformation = 203, - /// <summary> - /// Equivalent to status code 204. - /// Indicates that the server has fulfilled the client's request but doesn't need to return - /// an entity-body. - /// </summary> - NoContent = 204, - /// <summary> - /// Equivalent to status code 205. - /// Indicates that the server has fulfilled the client's request, and the user agent should - /// reset the document view which caused the request to be sent. - /// </summary> - ResetContent = 205, - /// <summary> - /// Equivalent to status code 206. - /// Indicates that the server has fulfilled the partial GET request for the resource. - /// </summary> - PartialContent = 206, - /// <summary> - /// <para> - /// Equivalent to status code 300. - /// Indicates that the requested resource corresponds to any of multiple representations. - /// </para> - /// <para> - /// MultipleChoices is a synonym for Ambiguous. - /// </para> - /// </summary> - MultipleChoices = 300, - /// <summary> - /// <para> - /// Equivalent to status code 300. - /// Indicates that the requested resource corresponds to any of multiple representations. - /// </para> - /// <para> - /// Ambiguous is a synonym for MultipleChoices. - /// </para> - /// </summary> - Ambiguous = 300, - /// <summary> - /// <para> - /// Equivalent to status code 301. - /// Indicates that the requested resource has been assigned a new permanent URI and - /// any future references to this resource should use one of the returned URIs. - /// </para> - /// <para> - /// MovedPermanently is a synonym for Moved. - /// </para> - /// </summary> - MovedPermanently = 301, - /// <summary> - /// <para> - /// Equivalent to status code 301. - /// Indicates that the requested resource has been assigned a new permanent URI and - /// any future references to this resource should use one of the returned URIs. - /// </para> - /// <para> - /// Moved is a synonym for MovedPermanently. - /// </para> - /// </summary> - Moved = 301, - /// <summary> - /// <para> - /// Equivalent to status code 302. - /// Indicates that the requested resource is located temporarily under a different URI. - /// </para> - /// <para> - /// Found is a synonym for Redirect. - /// </para> - /// </summary> - Found = 302, - /// <summary> - /// <para> - /// Equivalent to status code 302. - /// Indicates that the requested resource is located temporarily under a different URI. - /// </para> - /// <para> - /// Redirect is a synonym for Found. - /// </para> - /// </summary> - Redirect = 302, - /// <summary> - /// <para> - /// Equivalent to status code 303. - /// Indicates that the response to the request can be found under a different URI and - /// should be retrieved using a GET method on that resource. - /// </para> - /// <para> - /// SeeOther is a synonym for RedirectMethod. - /// </para> - /// </summary> - SeeOther = 303, - /// <summary> - /// <para> - /// Equivalent to status code 303. - /// Indicates that the response to the request can be found under a different URI and - /// should be retrieved using a GET method on that resource. - /// </para> - /// <para> - /// RedirectMethod is a synonym for SeeOther. - /// </para> - /// </summary> - RedirectMethod = 303, - /// <summary> - /// Equivalent to status code 304. - /// Indicates that the client has performed a conditional GET request and access is allowed, - /// but the document hasn't been modified. - /// </summary> - NotModified = 304, - /// <summary> - /// Equivalent to status code 305. - /// Indicates that the requested resource must be accessed through the proxy given by - /// the Location field. - /// </summary> - UseProxy = 305, - /// <summary> - /// Equivalent to status code 306. - /// This status code was used in a previous version of the specification, is no longer used, - /// and is reserved for future use. - /// </summary> - Unused = 306, - /// <summary> - /// <para> - /// Equivalent to status code 307. - /// Indicates that the requested resource is located temporarily under a different URI. - /// </para> - /// <para> - /// TemporaryRedirect is a synonym for RedirectKeepVerb. - /// </para> - /// </summary> - TemporaryRedirect = 307, - /// <summary> - /// <para> - /// Equivalent to status code 307. - /// Indicates that the requested resource is located temporarily under a different URI. - /// </para> - /// <para> - /// RedirectKeepVerb is a synonym for TemporaryRedirect. - /// </para> - /// </summary> - RedirectKeepVerb = 307, - /// <summary> - /// Equivalent to status code 400. - /// Indicates that the client's request couldn't be understood by the server due to - /// malformed syntax. - /// </summary> - BadRequest = 400, - /// <summary> - /// Equivalent to status code 401. - /// Indicates that the client's request requires user authentication. - /// </summary> - Unauthorized = 401, - /// <summary> - /// Equivalent to status code 402. - /// This status code is reserved for future use. - /// </summary> - PaymentRequired = 402, - /// <summary> - /// Equivalent to status code 403. - /// Indicates that the server understood the client's request but is refusing to fulfill it. - /// </summary> - Forbidden = 403, - /// <summary> - /// Equivalent to status code 404. - /// Indicates that the server hasn't found anything matching the request URI. - /// </summary> - NotFound = 404, - /// <summary> - /// Equivalent to status code 405. - /// Indicates that the method specified in the request line isn't allowed for the resource - /// identified by the request URI. - /// </summary> - MethodNotAllowed = 405, - /// <summary> - /// Equivalent to status code 406. - /// Indicates that the server doesn't have the appropriate resource to respond to the Accept - /// headers in the client's request. - /// </summary> - NotAcceptable = 406, - /// <summary> - /// Equivalent to status code 407. - /// Indicates that the client must first authenticate itself with the proxy. - /// </summary> - ProxyAuthenticationRequired = 407, - /// <summary> - /// Equivalent to status code 408. - /// Indicates that the client didn't produce a request within the time that the server was - /// prepared to wait. - /// </summary> - RequestTimeout = 408, - /// <summary> - /// Equivalent to status code 409. - /// Indicates that the client's request couldn't be completed due to a conflict on the server. - /// </summary> - Conflict = 409, - /// <summary> - /// Equivalent to status code 410. - /// Indicates that the requested resource is no longer available at the server and - /// no forwarding address is known. - /// </summary> - Gone = 410, - /// <summary> - /// Equivalent to status code 411. - /// Indicates that the server refuses to accept the client's request without a defined - /// Content-Length. - /// </summary> - LengthRequired = 411, - /// <summary> - /// Equivalent to status code 412. - /// Indicates that the precondition given in one or more of the request headers evaluated to - /// false when it was tested on the server. - /// </summary> - PreconditionFailed = 412, - /// <summary> - /// Equivalent to status code 413. - /// Indicates that the entity of the client's request is larger than the server is willing or - /// able to process. - /// </summary> - RequestEntityTooLarge = 413, - /// <summary> - /// Equivalent to status code 414. - /// Indicates that the request URI is longer than the server is willing to interpret. - /// </summary> - RequestUriTooLong = 414, - /// <summary> - /// Equivalent to status code 415. - /// Indicates that the entity of the client's request is in a format not supported by - /// the requested resource for the requested method. - /// </summary> - UnsupportedMediaType = 415, - /// <summary> - /// Equivalent to status code 416. - /// Indicates that none of the range specifier values in a Range request header overlap - /// the current extent of the selected resource. - /// </summary> - RequestedRangeNotSatisfiable = 416, - /// <summary> - /// Equivalent to status code 417. - /// Indicates that the expectation given in an Expect request header couldn't be met by - /// the server. - /// </summary> - ExpectationFailed = 417, - /// <summary> - /// Equivalent to status code 500. - /// Indicates that the server encountered an unexpected condition which prevented it from - /// fulfilling the client's request. - /// </summary> - InternalServerError = 500, - /// <summary> - /// Equivalent to status code 501. - /// Indicates that the server doesn't support the functionality required to fulfill the client's - /// request. - /// </summary> - NotImplemented = 501, - /// <summary> - /// Equivalent to status code 502. - /// Indicates that a gateway or proxy server received an invalid response from the upstream - /// server. - /// </summary> - BadGateway = 502, - /// <summary> - /// Equivalent to status code 503. - /// Indicates that the server is currently unable to handle the client's request due to - /// a temporary overloading or maintenance of the server. - /// </summary> - ServiceUnavailable = 503, - /// <summary> - /// Equivalent to status code 504. - /// Indicates that a gateway or proxy server didn't receive a timely response from the upstream - /// server or some other auxiliary server. - /// </summary> - GatewayTimeout = 504, - /// <summary> - /// Equivalent to status code 505. - /// Indicates that the server doesn't support the HTTP version used in the client's request. - /// </summary> - HttpVersionNotSupported = 505, - } -} diff --git a/SocketHttpListener/Net/HttpStatusDescription.cs b/SocketHttpListener/Net/HttpStatusDescription.cs deleted file mode 100644 index a4e42560b..000000000 --- a/SocketHttpListener/Net/HttpStatusDescription.cs +++ /dev/null @@ -1,69 +0,0 @@ -namespace SocketHttpListener.Net -{ - internal static class HttpStatusDescription - { - internal static string Get(HttpStatusCode code) - { - return Get((int)code); - } - - internal static string Get(int code) - { - switch (code) - { - case 100: return "Continue"; - case 101: return "Switching Protocols"; - case 102: return "Processing"; - - case 200: return "OK"; - case 201: return "Created"; - case 202: return "Accepted"; - case 203: return "Non-Authoritative Information"; - case 204: return "No Content"; - case 205: return "Reset Content"; - case 206: return "Partial Content"; - case 207: return "Multi-Status"; - - case 300: return "Multiple Choices"; - case 301: return "Moved Permanently"; - case 302: return "Found"; - case 303: return "See Other"; - case 304: return "Not Modified"; - case 305: return "Use Proxy"; - case 307: return "Temporary Redirect"; - - case 400: return "Bad Request"; - case 401: return "Unauthorized"; - case 402: return "Payment Required"; - case 403: return "Forbidden"; - case 404: return "Not Found"; - case 405: return "Method Not Allowed"; - case 406: return "Not Acceptable"; - case 407: return "Proxy Authentication Required"; - case 408: return "Request Timeout"; - case 409: return "Conflict"; - case 410: return "Gone"; - case 411: return "Length Required"; - case 412: return "Precondition Failed"; - case 413: return "Request Entity Too Large"; - case 414: return "Request-Uri Too Long"; - case 415: return "Unsupported Media Type"; - case 416: return "Requested Range Not Satisfiable"; - case 417: return "Expectation Failed"; - case 422: return "Unprocessable Entity"; - case 423: return "Locked"; - case 424: return "Failed Dependency"; - case 426: return "Upgrade Required"; // RFC 2817 - - case 500: return "Internal Server Error"; - case 501: return "Not Implemented"; - case 502: return "Bad Gateway"; - case 503: return "Service Unavailable"; - case 504: return "Gateway Timeout"; - case 505: return "Http Version Not Supported"; - case 507: return "Insufficient Storage"; - } - return null; - } - } -} diff --git a/SocketHttpListener/Net/HttpStreamAsyncResult.cs b/SocketHttpListener/Net/HttpStreamAsyncResult.cs deleted file mode 100644 index 46944c624..000000000 --- a/SocketHttpListener/Net/HttpStreamAsyncResult.cs +++ /dev/null @@ -1,79 +0,0 @@ -using System; -using System.Threading; -using System.Threading.Tasks; - -namespace SocketHttpListener.Net -{ - internal class HttpStreamAsyncResult : IAsyncResult - { - private object _locker = new object(); - private ManualResetEvent _handle; - private bool _completed; - - internal readonly object _parent; - internal byte[] _buffer; - internal int _offset; - internal int _count; - internal AsyncCallback _callback; - internal object _state; - internal int _synchRead; - internal Exception _error; - internal bool _endCalled; - - internal HttpStreamAsyncResult(object parent) - { - _parent = parent; - } - - public void Complete(Exception e) - { - _error = e; - Complete(); - } - - public void Complete() - { - lock (_locker) - { - if (_completed) - return; - - _completed = true; - if (_handle != null) - _handle.Set(); - - if (_callback != null) - Task.Run(() => _callback(this)); - } - } - - public object AsyncState => _state; - - public WaitHandle AsyncWaitHandle - { - get - { - lock (_locker) - { - if (_handle == null) - _handle = new ManualResetEvent(_completed); - } - - return _handle; - } - } - - public bool CompletedSynchronously => false; - - public bool IsCompleted - { - get - { - lock (_locker) - { - return _completed; - } - } - } - } -} diff --git a/SocketHttpListener/Net/HttpVersion.cs b/SocketHttpListener/Net/HttpVersion.cs deleted file mode 100644 index c0839b46d..000000000 --- a/SocketHttpListener/Net/HttpVersion.cs +++ /dev/null @@ -1,16 +0,0 @@ -using System; - -namespace SocketHttpListener.Net -{ - // <remarks> - // </remarks> - public class HttpVersion - { - - public static readonly Version Version10 = new Version(1, 0); - public static readonly Version Version11 = new Version(1, 1); - - // pretty useless.. - public HttpVersion() { } - } -} diff --git a/SocketHttpListener/Net/ListenerPrefix.cs b/SocketHttpListener/Net/ListenerPrefix.cs deleted file mode 100644 index edfcb8904..000000000 --- a/SocketHttpListener/Net/ListenerPrefix.cs +++ /dev/null @@ -1,89 +0,0 @@ -using System; -using System.Net; - -namespace SocketHttpListener.Net -{ - internal sealed class ListenerPrefix - { - private string _original; - private string _host; - private ushort _port; - private string _path; - private bool _secure; - private IPAddress[] _addresses; - internal HttpListener _listener; - - public ListenerPrefix(string prefix) - { - _original = prefix; - Parse(prefix); - } - - public override string ToString() - { - return _original; - } - - public IPAddress[] Addresses - { - get => _addresses; - set => _addresses = value; - } - public bool Secure => _secure; - - public string Host => _host; - - public int Port => _port; - - public string Path => _path; - - // Equals and GetHashCode are required to detect duplicates in HttpListenerPrefixCollection. - public override bool Equals(object o) - { - var other = o as ListenerPrefix; - if (other == null) - return false; - - return (_original == other._original); - } - - public override int GetHashCode() - { - return _original.GetHashCode(); - } - - private void Parse(string uri) - { - ushort default_port = 80; - if (uri.StartsWith("https://")) - { - default_port = 443; - _secure = true; - } - - int length = uri.Length; - int start_host = uri.IndexOf(':') + 3; - if (start_host >= length) - throw new ArgumentException("net_listener_host"); - - int colon = uri.IndexOf(':', start_host, length - start_host); - int root; - if (colon > 0) - { - _host = uri.Substring(start_host, colon - start_host); - root = uri.IndexOf('/', colon, length - colon); - _port = (ushort)int.Parse(uri.Substring(colon + 1, root - colon - 1)); - _path = uri.Substring(root); - } - else - { - root = uri.IndexOf('/', start_host, length - start_host); - _host = uri.Substring(start_host, root - start_host); - _port = default_port; - _path = uri.Substring(root); - } - if (_path.Length != 1) - _path = _path.Substring(0, _path.Length - 1); - } - } -} diff --git a/SocketHttpListener/Net/UriScheme.cs b/SocketHttpListener/Net/UriScheme.cs deleted file mode 100644 index 33d1f09db..000000000 --- a/SocketHttpListener/Net/UriScheme.cs +++ /dev/null @@ -1,20 +0,0 @@ -namespace SocketHttpListener.Net -{ - internal static class UriScheme - { - public const string File = "file"; - public const string Ftp = "ftp"; - public const string Gopher = "gopher"; - public const string Http = "http"; - public const string Https = "https"; - public const string News = "news"; - public const string NetPipe = "net.pipe"; - public const string NetTcp = "net.tcp"; - public const string Nntp = "nntp"; - public const string Mailto = "mailto"; - public const string Ws = "ws"; - public const string Wss = "wss"; - - public const string SchemeDelimiter = "://"; - } -} diff --git a/SocketHttpListener/Net/WebHeaderCollection.cs b/SocketHttpListener/Net/WebHeaderCollection.cs deleted file mode 100644 index 34fca808b..000000000 --- a/SocketHttpListener/Net/WebHeaderCollection.cs +++ /dev/null @@ -1,360 +0,0 @@ -using System; -using System.Collections.Generic; -using System.Runtime.InteropServices; -using System.Text; -using MediaBrowser.Model.Services; - -namespace SocketHttpListener.Net -{ - [ComVisible(true)] - public class WebHeaderCollection : QueryParamCollection - { - [Flags] - internal enum HeaderInfo - { - Request = 1, - Response = 1 << 1, - MultiValue = 1 << 10 - } - - static readonly bool[] allowed_chars = { - false, false, false, false, false, false, false, false, false, false, false, false, false, false, - false, false, false, false, false, false, false, false, false, false, false, false, false, false, - false, false, false, false, false, true, false, true, true, true, true, false, false, false, true, - true, false, true, true, false, true, true, true, true, true, true, true, true, true, true, false, - false, false, false, false, false, false, true, true, true, true, true, true, true, true, true, - true, true, true, true, true, true, true, true, true, true, true, true, true, true, true, true, true, - false, false, false, true, true, true, true, true, true, true, true, true, true, true, true, true, - true, true, true, true, true, true, true, true, true, true, true, true, true, true, true, true, - false, true, false - }; - - static readonly Dictionary<string, HeaderInfo> headers; - - static WebHeaderCollection() - { - headers = new Dictionary<string, HeaderInfo>(StringComparer.OrdinalIgnoreCase) { - { "Allow", HeaderInfo.MultiValue }, - { "Accept", HeaderInfo.Request | HeaderInfo.MultiValue }, - { "Accept-Charset", HeaderInfo.MultiValue }, - { "Accept-Encoding", HeaderInfo.MultiValue }, - { "Accept-Language", HeaderInfo.MultiValue }, - { "Accept-Ranges", HeaderInfo.MultiValue }, - { "Age", HeaderInfo.Response }, - { "Authorization", HeaderInfo.MultiValue }, - { "Cache-Control", HeaderInfo.MultiValue }, - { "Cookie", HeaderInfo.MultiValue }, - { "Connection", HeaderInfo.Request | HeaderInfo.MultiValue }, - { "Content-Encoding", HeaderInfo.MultiValue }, - { "Content-Length", HeaderInfo.Request | HeaderInfo.Response }, - { "Content-Type", HeaderInfo.Request }, - { "Content-Language", HeaderInfo.MultiValue }, - { "Date", HeaderInfo.Request }, - { "Expect", HeaderInfo.Request | HeaderInfo.MultiValue}, - { "Host", HeaderInfo.Request }, - { "If-Match", HeaderInfo.MultiValue }, - { "If-Modified-Since", HeaderInfo.Request }, - { "If-None-Match", HeaderInfo.MultiValue }, - { "Keep-Alive", HeaderInfo.Response }, - { "Pragma", HeaderInfo.MultiValue }, - { "Proxy-Authenticate", HeaderInfo.MultiValue }, - { "Proxy-Authorization", HeaderInfo.MultiValue }, - { "Proxy-Connection", HeaderInfo.Request | HeaderInfo.MultiValue }, - { "Range", HeaderInfo.Request | HeaderInfo.MultiValue }, - { "Referer", HeaderInfo.Request }, - { "Set-Cookie", HeaderInfo.MultiValue }, - { "Set-Cookie2", HeaderInfo.MultiValue }, - { "Server", HeaderInfo.Response }, - { "TE", HeaderInfo.MultiValue }, - { "Trailer", HeaderInfo.MultiValue }, - { "Transfer-Encoding", HeaderInfo.Request | HeaderInfo.Response | HeaderInfo.MultiValue }, - { "Translate", HeaderInfo.Request | HeaderInfo.Response }, - { "Upgrade", HeaderInfo.MultiValue }, - { "User-Agent", HeaderInfo.Request }, - { "Vary", HeaderInfo.MultiValue }, - { "Via", HeaderInfo.MultiValue }, - { "Warning", HeaderInfo.MultiValue }, - { "WWW-Authenticate", HeaderInfo.Response | HeaderInfo. MultiValue }, - { "SecWebSocketAccept", HeaderInfo.Response }, - { "SecWebSocketExtensions", HeaderInfo.Request | HeaderInfo.Response | HeaderInfo. MultiValue }, - { "SecWebSocketKey", HeaderInfo.Request }, - { "Sec-WebSocket-Protocol", HeaderInfo.Request | HeaderInfo.Response | HeaderInfo. MultiValue }, - { "SecWebSocketVersion", HeaderInfo.Response | HeaderInfo. MultiValue } - }; - } - - // Methods - - public void Add(string header) - { - if (header == null) - throw new ArgumentNullException(nameof(header)); - int pos = header.IndexOf(':'); - if (pos == -1) - throw new ArgumentException("no colon found", nameof(header)); - - this.Add(header.Substring(0, pos), header.Substring(pos + 1)); - } - - public override void Add(string name, string value) - { - if (name == null) - throw new ArgumentNullException(nameof(name)); - - this.AddWithoutValidate(name, value); - } - - protected void AddWithoutValidate(string headerName, string headerValue) - { - if (!IsHeaderName(headerName)) - throw new ArgumentException("invalid header name: " + headerName, nameof(headerName)); - if (headerValue == null) - headerValue = string.Empty; - else - headerValue = headerValue.Trim(); - if (!IsHeaderValue(headerValue)) - throw new ArgumentException("invalid header value: " + headerValue, nameof(headerValue)); - - AddValue(headerName, headerValue); - } - - internal void AddValue(string headerName, string headerValue) - { - base.Add(headerName, headerValue); - } - - internal List<string> GetValues_internal(string header, bool split) - { - if (header == null) - throw new ArgumentNullException(nameof(header)); - - var values = base.GetValues(header); - if (values == null || values.Count == 0) - return null; - - if (split && IsMultiValue(header)) - { - List<string> separated = null; - foreach (var value in values) - { - if (value.IndexOf(',') < 0) - { - if (separated != null) - separated.Add(value); - - continue; - } - - if (separated == null) - { - separated = new List<string>(values.Count + 1); - foreach (var v in values) - { - if (v == value) - break; - - separated.Add(v); - } - } - - var slices = value.Split(','); - var slices_length = slices.Length; - if (value[value.Length - 1] == ',') - --slices_length; - - for (int i = 0; i < slices_length; ++i) - { - separated.Add(slices[i].Trim()); - } - } - - if (separated != null) - return separated; - } - - return values; - } - - public override List<string> GetValues(string header) - { - return GetValues_internal(header, true); - } - - public override string[] GetValues(int index) - { - string[] values = base.GetValues(index); - - if (values == null || values.Length == 0) - { - return null; - } - - return values; - } - - public static bool IsRestricted(string headerName) - { - return IsRestricted(headerName, false); - } - - public static bool IsRestricted(string headerName, bool response) - { - if (headerName == null) - throw new ArgumentNullException(nameof(headerName)); - - if (headerName.Length == 0) - throw new ArgumentException("empty string", nameof(headerName)); - - if (!IsHeaderName(headerName)) - throw new ArgumentException("Invalid character in header"); - - if (!headers.TryGetValue(headerName, out HeaderInfo info)) - return false; - - var flag = response ? HeaderInfo.Response : HeaderInfo.Request; - return (info & flag) != 0; - } - - public override void Set(string name, string value) - { - if (name == null) - throw new ArgumentNullException(nameof(name)); - if (!IsHeaderName(name)) - throw new ArgumentException("invalid header name"); - if (value == null) - value = string.Empty; - else - value = value.Trim(); - if (!IsHeaderValue(value)) - throw new ArgumentException("invalid header value"); - - base.Set(name, value); - } - - internal string ToStringMultiValue() - { - var sb = new StringBuilder(); - - int count = base.Count; - for (int i = 0; i < count; i++) - { - string key = GetKey(i); - if (IsMultiValue(key)) - { - foreach (string v in GetValues(i)) - { - sb.Append(key) - .Append(": ") - .Append(v) - .Append("\r\n"); - } - } - else - { - sb.Append(key) - .Append(": ") - .Append(Get(i)) - .Append("\r\n"); - } - } - return sb.Append("\r\n").ToString(); - } - - public override string ToString() - { - var sb = new StringBuilder(); - - int count = base.Count; - for (int i = 0; i < count; i++) - sb.Append(GetKey(i)) - .Append(": ") - .Append(Get(i)) - .Append("\r\n"); - - return sb.Append("\r\n").ToString(); - } - - - // Internal Methods - - // With this we don't check for invalid characters in header. See bug #55994. - internal void SetInternal(string header) - { - int pos = header.IndexOf(':'); - if (pos == -1) - throw new ArgumentException("no colon found", nameof(header)); - - SetInternal(header.Substring(0, pos), header.Substring(pos + 1)); - } - - internal void SetInternal(string name, string value) - { - if (value == null) - value = string.Empty; - else - value = value.Trim(); - if (!IsHeaderValue(value)) - throw new ArgumentException("invalid header value"); - - if (IsMultiValue(name)) - { - base.Add(name, value); - } - else - { - base.Remove(name); - base.Set(name, value); - } - } - - internal static bool IsMultiValue(string headerName) - { - if (headerName == null) - return false; - - return headers.TryGetValue(headerName, out HeaderInfo info) && (info & HeaderInfo.MultiValue) != 0; - } - - internal static bool IsHeaderValue(string value) - { - // TEXT any 8 bit value except CTL's (0-31 and 127) - // but including \r\n space and \t - // after a newline at least one space or \t must follow - // certain header fields allow comments () - - int len = value.Length; - for (int i = 0; i < len; i++) - { - char c = value[i]; - if (c == 127) - return false; - if (c < 0x20 && (c != '\r' && c != '\n' && c != '\t')) - return false; - if (c == '\n' && ++i < len) - { - c = value[i]; - if (c != ' ' && c != '\t') - return false; - } - } - - return true; - } - - internal static bool IsHeaderName(string name) - { - if (name == null || name.Length == 0) - return false; - - int len = name.Length; - for (int i = 0; i < len; i++) - { - char c = name[i]; - if (c > 126 || !allowed_chars[c]) - return false; - } - - return true; - } - } -} diff --git a/SocketHttpListener/Net/WebHeaderEncoding.cs b/SocketHttpListener/Net/WebHeaderEncoding.cs deleted file mode 100644 index 96e0cc85d..000000000 --- a/SocketHttpListener/Net/WebHeaderEncoding.cs +++ /dev/null @@ -1,84 +0,0 @@ -using System.Text; - -namespace SocketHttpListener.Net -{ - // we use this static class as a helper class to encode/decode HTTP headers. - // what we need is a 1-1 correspondence between a char in the range U+0000-U+00FF - // and a byte in the range 0x00-0xFF (which is the range that can hit the network). - // The Latin-1 encoding (ISO-88591-1) (GetEncoding(28591)) works for byte[] to string, but is a little slow. - // It doesn't work for string -> byte[] because of best-fit-mapping problems. - internal static class WebHeaderEncoding - { - // We don't want '?' replacement characters, just fail. - private static readonly Encoding s_utf8Decoder = Encoding.GetEncoding("utf-8", EncoderFallback.ExceptionFallback, DecoderFallback.ExceptionFallback); - - internal static unsafe string GetString(byte[] bytes, int byteIndex, int byteCount) - { - fixed (byte* pBytes = bytes) - return GetString(pBytes + byteIndex, byteCount); - } - - internal static unsafe string GetString(byte* pBytes, int byteCount) - { - if (byteCount < 1) - return ""; - - string s = new string('\0', byteCount); - - fixed (char* pStr = s) - { - char* pString = pStr; - while (byteCount >= 8) - { - pString[0] = (char)pBytes[0]; - pString[1] = (char)pBytes[1]; - pString[2] = (char)pBytes[2]; - pString[3] = (char)pBytes[3]; - pString[4] = (char)pBytes[4]; - pString[5] = (char)pBytes[5]; - pString[6] = (char)pBytes[6]; - pString[7] = (char)pBytes[7]; - pString += 8; - pBytes += 8; - byteCount -= 8; - } - for (int i = 0; i < byteCount; i++) - { - pString[i] = (char)pBytes[i]; - } - } - - return s; - } - - internal static int GetByteCount(string myString) - { - return myString.Length; - } - internal static unsafe void GetBytes(string myString, int charIndex, int charCount, byte[] bytes, int byteIndex) - { - if (myString.Length == 0) - { - return; - } - fixed (byte* bufferPointer = bytes) - { - byte* newBufferPointer = bufferPointer + byteIndex; - int finalIndex = charIndex + charCount; - while (charIndex < finalIndex) - { - *newBufferPointer++ = (byte)myString[charIndex++]; - } - } - } - internal static byte[] GetBytes(string myString) - { - byte[] bytes = new byte[myString.Length]; - if (myString.Length != 0) - { - GetBytes(myString, 0, myString.Length, bytes, 0); - } - return bytes; - } - } -} diff --git a/SocketHttpListener/Net/WebSockets/HttpListenerWebSocketContext.cs b/SocketHttpListener/Net/WebSockets/HttpListenerWebSocketContext.cs deleted file mode 100644 index 5ed49ec47..000000000 --- a/SocketHttpListener/Net/WebSockets/HttpListenerWebSocketContext.cs +++ /dev/null @@ -1,92 +0,0 @@ -using System; -using System.Collections.Generic; -using System.Net; -using System.Security.Principal; -using MediaBrowser.Model.Services; - -namespace SocketHttpListener.Net.WebSockets -{ - public class HttpListenerWebSocketContext : WebSocketContext - { - private readonly Uri _requestUri; - private readonly QueryParamCollection _headers; - private readonly CookieCollection _cookieCollection; - private readonly IPrincipal _user; - private readonly bool _isAuthenticated; - private readonly bool _isLocal; - private readonly bool _isSecureConnection; - - private readonly string _origin; - private readonly IEnumerable<string> _secWebSocketProtocols; - private readonly string _secWebSocketVersion; - private readonly string _secWebSocketKey; - - private readonly WebSocket _webSocket; - - internal HttpListenerWebSocketContext( - Uri requestUri, - QueryParamCollection headers, - CookieCollection cookieCollection, - IPrincipal user, - bool isAuthenticated, - bool isLocal, - bool isSecureConnection, - string origin, - IEnumerable<string> secWebSocketProtocols, - string secWebSocketVersion, - string secWebSocketKey, - WebSocket webSocket) - { - _cookieCollection = new CookieCollection(); - _cookieCollection.Add(cookieCollection); - - //_headers = new NameValueCollection(headers); - _headers = headers; - _user = CopyPrincipal(user); - - _requestUri = requestUri; - _isAuthenticated = isAuthenticated; - _isLocal = isLocal; - _isSecureConnection = isSecureConnection; - _origin = origin; - _secWebSocketProtocols = secWebSocketProtocols; - _secWebSocketVersion = secWebSocketVersion; - _secWebSocketKey = secWebSocketKey; - _webSocket = webSocket; - } - - public override Uri RequestUri => _requestUri; - - public override QueryParamCollection Headers => _headers; - - public override string Origin => _origin; - - public override IEnumerable<string> SecWebSocketProtocols => _secWebSocketProtocols; - - public override string SecWebSocketVersion => _secWebSocketVersion; - - public override string SecWebSocketKey => _secWebSocketKey; - - public override CookieCollection CookieCollection => _cookieCollection; - - public override IPrincipal User => _user; - - public override bool IsAuthenticated => _isAuthenticated; - - public override bool IsLocal => _isLocal; - - public override bool IsSecureConnection => _isSecureConnection; - - public override WebSocket WebSocket => _webSocket; - - private static IPrincipal CopyPrincipal(IPrincipal user) - { - if (user != null) - { - throw new NotImplementedException(); - } - - return null; - } - } -} diff --git a/SocketHttpListener/Net/WebSockets/HttpWebSocket.Managed.cs b/SocketHttpListener/Net/WebSockets/HttpWebSocket.Managed.cs deleted file mode 100644 index 1cfd2dc90..000000000 --- a/SocketHttpListener/Net/WebSockets/HttpWebSocket.Managed.cs +++ /dev/null @@ -1,81 +0,0 @@ -using System; -using System.Threading.Tasks; - -namespace SocketHttpListener.Net.WebSockets -{ - internal static partial class HttpWebSocket - { - private const string SupportedVersion = "13"; - - internal static async Task<HttpListenerWebSocketContext> AcceptWebSocketAsyncCore(HttpListenerContext context, - string subProtocol, - int receiveBufferSize, - TimeSpan keepAliveInterval, - ArraySegment<byte>? internalBuffer = null) - { - ValidateOptions(subProtocol, receiveBufferSize, MinSendBufferSize, keepAliveInterval); - - // get property will create a new response if one doesn't exist. - HttpListenerResponse response = context.Response; - HttpListenerRequest request = context.Request; - ValidateWebSocketHeaders(context); - - string secWebSocketVersion = request.Headers[HttpKnownHeaderNames.SecWebSocketVersion]; - - // Optional for non-browser client - string origin = request.Headers[HttpKnownHeaderNames.Origin]; - - string[] secWebSocketProtocols = null; - bool shouldSendSecWebSocketProtocolHeader = - ProcessWebSocketProtocolHeader( - request.Headers[HttpKnownHeaderNames.SecWebSocketProtocol], - subProtocol, - out var outgoingSecWebSocketProtocolString); - - if (shouldSendSecWebSocketProtocolHeader) - { - secWebSocketProtocols = new string[] { outgoingSecWebSocketProtocolString }; - response.Headers.Add(HttpKnownHeaderNames.SecWebSocketProtocol, outgoingSecWebSocketProtocolString); - } - - // negotiate the websocket key return value - string secWebSocketKey = request.Headers[HttpKnownHeaderNames.SecWebSocketKey]; - string secWebSocketAccept = HttpWebSocket.GetSecWebSocketAcceptString(secWebSocketKey); - - response.Headers.Add(HttpKnownHeaderNames.Connection, HttpKnownHeaderNames.Upgrade); - response.Headers.Add(HttpKnownHeaderNames.Upgrade, WebSocketUpgradeToken); - response.Headers.Add(HttpKnownHeaderNames.SecWebSocketAccept, secWebSocketAccept); - - response.StatusCode = (int)HttpStatusCode.SwitchingProtocols; // HTTP 101 - response.StatusDescription = HttpStatusDescription.Get(HttpStatusCode.SwitchingProtocols); - - var responseStream = response.OutputStream as HttpResponseStream; - - // Send websocket handshake headers - await responseStream.WriteWebSocketHandshakeHeadersAsync().ConfigureAwait(false); - - //WebSocket webSocket = WebSocket.CreateFromStream(context.Connection.ConnectedStream, isServer: true, subProtocol, keepAliveInterval); - var webSocket = new WebSocket(subProtocol); - - var webSocketContext = new HttpListenerWebSocketContext( - request.Url, - request.Headers, - request.Cookies, - context.User, - request.IsAuthenticated, - request.IsLocal, - request.IsSecureConnection, - origin, - secWebSocketProtocols != null ? secWebSocketProtocols : Array.Empty<string>(), - secWebSocketVersion, - secWebSocketKey, - webSocket); - - webSocket.SetContext(webSocketContext, context.Connection.Close, context.Connection.Stream); - - return webSocketContext; - } - - private const bool WebSocketsSupported = true; - } -} diff --git a/SocketHttpListener/Net/WebSockets/HttpWebSocket.cs b/SocketHttpListener/Net/WebSockets/HttpWebSocket.cs deleted file mode 100644 index b346cc98e..000000000 --- a/SocketHttpListener/Net/WebSockets/HttpWebSocket.cs +++ /dev/null @@ -1,159 +0,0 @@ -using System; -using System.Diagnostics.CodeAnalysis; -using System.Security.Cryptography; -using System.Text; -using System.Threading; - -namespace SocketHttpListener.Net.WebSockets -{ - internal static partial class HttpWebSocket - { - internal const string SecWebSocketKeyGuid = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11"; - internal const string WebSocketUpgradeToken = "websocket"; - internal const int DefaultReceiveBufferSize = 16 * 1024; - internal const int DefaultClientSendBufferSize = 16 * 1024; - - [SuppressMessage("Microsoft.Security", "CA5350", Justification = "SHA1 used only for hashing purposes, not for crypto.")] - internal static string GetSecWebSocketAcceptString(string secWebSocketKey) - { - string retVal; - - // SHA1 used only for hashing purposes, not for crypto. Check here for FIPS compat. - using (var sha1 = SHA1.Create()) - { - string acceptString = string.Concat(secWebSocketKey, HttpWebSocket.SecWebSocketKeyGuid); - byte[] toHash = Encoding.UTF8.GetBytes(acceptString); - retVal = Convert.ToBase64String(sha1.ComputeHash(toHash)); - } - - return retVal; - } - - // return value here signifies if a Sec-WebSocket-Protocol header should be returned by the server. - internal static bool ProcessWebSocketProtocolHeader(string clientSecWebSocketProtocol, - string subProtocol, - out string acceptProtocol) - { - acceptProtocol = string.Empty; - if (string.IsNullOrEmpty(clientSecWebSocketProtocol)) - { - // client hasn't specified any Sec-WebSocket-Protocol header - if (subProtocol != null) - { - // If the server specified _anything_ this isn't valid. - throw new WebSocketException("UnsupportedProtocol"); - } - // Treat empty and null from the server as the same thing here, server should not send headers. - return false; - } - - // here, we know the client specified something and it's non-empty. - - if (subProtocol == null) - { - // client specified some protocols, server specified 'null'. So server should send headers. - return true; - } - - // here, we know that the client has specified something, it's not empty - // and the server has specified exactly one protocol - - string[] requestProtocols = clientSecWebSocketProtocol.Split(new char[] { ',' }, - StringSplitOptions.RemoveEmptyEntries); - acceptProtocol = subProtocol; - - // client specified protocols, serverOptions has exactly 1 non-empty entry. Check that - // this exists in the list the client specified. - for (int i = 0; i < requestProtocols.Length; i++) - { - string currentRequestProtocol = requestProtocols[i].Trim(); - if (string.Equals(acceptProtocol, currentRequestProtocol, StringComparison.OrdinalIgnoreCase)) - { - return true; - } - } - - throw new WebSocketException("net_WebSockets_AcceptUnsupportedProtocol"); - } - - internal static void ValidateOptions(string subProtocol, int receiveBufferSize, int sendBufferSize, TimeSpan keepAliveInterval) - { - if (subProtocol != null) - { - WebSocketValidate.ValidateSubprotocol(subProtocol); - } - - if (receiveBufferSize < MinReceiveBufferSize) - { - throw new ArgumentOutOfRangeException(nameof(receiveBufferSize), "The receiveBufferSize was too small."); - } - - if (sendBufferSize < MinSendBufferSize) - { - throw new ArgumentOutOfRangeException(nameof(sendBufferSize), "The sendBufferSize was too small."); - } - - if (receiveBufferSize > MaxBufferSize) - { - throw new ArgumentOutOfRangeException(nameof(receiveBufferSize), "The receiveBufferSize was too large."); - } - - if (sendBufferSize > MaxBufferSize) - { - throw new ArgumentOutOfRangeException(nameof(sendBufferSize), "The sendBufferSize was too large."); - } - - if (keepAliveInterval < Timeout.InfiniteTimeSpan) // -1 millisecond - { - throw new ArgumentOutOfRangeException(nameof(keepAliveInterval), "The keepAliveInterval was too small."); - } - } - - internal const int MinSendBufferSize = 16; - internal const int MinReceiveBufferSize = 256; - internal const int MaxBufferSize = 64 * 1024; - - private static void ValidateWebSocketHeaders(HttpListenerContext context) - { - if (!WebSocketsSupported) - { - throw new PlatformNotSupportedException("net_WebSockets_UnsupportedPlatform"); - } - - if (!context.Request.IsWebSocketRequest) - { - throw new WebSocketException("net_WebSockets_AcceptNotAWebSocket"); - } - - string secWebSocketVersion = context.Request.Headers[HttpKnownHeaderNames.SecWebSocketVersion]; - if (string.IsNullOrEmpty(secWebSocketVersion)) - { - throw new WebSocketException("net_WebSockets_AcceptHeaderNotFound"); - } - - if (!string.Equals(secWebSocketVersion, SupportedVersion, StringComparison.OrdinalIgnoreCase)) - { - throw new WebSocketException("net_WebSockets_AcceptUnsupportedWebSocketVersion"); - } - - string secWebSocketKey = context.Request.Headers[HttpKnownHeaderNames.SecWebSocketKey]; - bool isSecWebSocketKeyInvalid = string.IsNullOrWhiteSpace(secWebSocketKey); - if (!isSecWebSocketKeyInvalid) - { - try - { - // key must be 16 bytes then base64-encoded - isSecWebSocketKeyInvalid = Convert.FromBase64String(secWebSocketKey).Length != 16; - } - catch - { - isSecWebSocketKeyInvalid = true; - } - } - if (isSecWebSocketKeyInvalid) - { - throw new WebSocketException("net_WebSockets_AcceptHeaderNotFound"); - } - } - } -} diff --git a/SocketHttpListener/Net/WebSockets/WebSocketCloseStatus.cs b/SocketHttpListener/Net/WebSockets/WebSocketCloseStatus.cs deleted file mode 100644 index 5ac89cf48..000000000 --- a/SocketHttpListener/Net/WebSockets/WebSocketCloseStatus.cs +++ /dev/null @@ -1,27 +0,0 @@ -namespace SocketHttpListener.Net.WebSockets -{ - public enum WebSocketCloseStatus - { - NormalClosure = 1000, - EndpointUnavailable = 1001, - ProtocolError = 1002, - InvalidMessageType = 1003, - Empty = 1005, - // AbnormalClosure = 1006, // 1006 is reserved and should never be used by user - InvalidPayloadData = 1007, - PolicyViolation = 1008, - MessageTooBig = 1009, - MandatoryExtension = 1010, - InternalServerError = 1011 - // TLSHandshakeFailed = 1015, // 1015 is reserved and should never be used by user - - // 0 - 999 Status codes in the range 0-999 are not used. - // 1000 - 1999 Status codes in the range 1000-1999 are reserved for definition by this protocol. - // 2000 - 2999 Status codes in the range 2000-2999 are reserved for use by extensions. - // 3000 - 3999 Status codes in the range 3000-3999 MAY be used by libraries and frameworks. The - // interpretation of these codes is undefined by this protocol. End applications MUST - // NOT use status codes in this range. - // 4000 - 4999 Status codes in the range 4000-4999 MAY be used by application code. The interpretation - // of these codes is undefined by this protocol. - } -} diff --git a/SocketHttpListener/Net/WebSockets/WebSocketContext.cs b/SocketHttpListener/Net/WebSockets/WebSocketContext.cs deleted file mode 100644 index 10ad86439..000000000 --- a/SocketHttpListener/Net/WebSockets/WebSocketContext.cs +++ /dev/null @@ -1,24 +0,0 @@ -using System; -using System.Collections.Generic; -using System.Net; -using System.Security.Principal; -using MediaBrowser.Model.Services; - -namespace SocketHttpListener.Net.WebSockets -{ - public abstract class WebSocketContext - { - public abstract Uri RequestUri { get; } - public abstract QueryParamCollection Headers { get; } - public abstract string Origin { get; } - public abstract IEnumerable<string> SecWebSocketProtocols { get; } - public abstract string SecWebSocketVersion { get; } - public abstract string SecWebSocketKey { get; } - public abstract CookieCollection CookieCollection { get; } - public abstract IPrincipal User { get; } - public abstract bool IsAuthenticated { get; } - public abstract bool IsLocal { get; } - public abstract bool IsSecureConnection { get; } - public abstract WebSocket WebSocket { get; } - } -} diff --git a/SocketHttpListener/Net/WebSockets/WebSocketValidate.cs b/SocketHttpListener/Net/WebSockets/WebSocketValidate.cs deleted file mode 100644 index 0469e3b6c..000000000 --- a/SocketHttpListener/Net/WebSockets/WebSocketValidate.cs +++ /dev/null @@ -1,141 +0,0 @@ -using System; -using System.Globalization; -using System.Text; -using WebSocketState = System.Net.WebSockets.WebSocketState; - -namespace SocketHttpListener.Net.WebSockets -{ - internal static partial class WebSocketValidate - { - internal const int MaxControlFramePayloadLength = 123; - private const int CloseStatusCodeAbort = 1006; - private const int CloseStatusCodeFailedTLSHandshake = 1015; - private const int InvalidCloseStatusCodesFrom = 0; - private const int InvalidCloseStatusCodesTo = 999; - private const string Separators = "()<>@,;:\\\"/[]?={} "; - - internal static void ThrowIfInvalidState(WebSocketState currentState, bool isDisposed, WebSocketState[] validStates) - { - string validStatesText = string.Empty; - - if (validStates != null && validStates.Length > 0) - { - foreach (WebSocketState validState in validStates) - { - if (currentState == validState) - { - // Ordering is important to maintain .NET 4.5 WebSocket implementation exception behavior. - if (isDisposed) - { - throw new ObjectDisposedException(nameof(WebSocket)); - } - - return; - } - } - - validStatesText = string.Join(", ", validStates); - } - - throw new WebSocketException("net_WebSockets_InvalidState"); - } - - internal static void ValidateSubprotocol(string subProtocol) - { - if (string.IsNullOrWhiteSpace(subProtocol)) - { - throw new ArgumentException("net_WebSockets_InvalidEmptySubProtocol"); - } - - string invalidChar = null; - int i = 0; - while (i < subProtocol.Length) - { - char ch = subProtocol[i]; - if (ch < 0x21 || ch > 0x7e) - { - invalidChar = string.Format(CultureInfo.InvariantCulture, "[{0}]", (int)ch); - break; - } - - if (!char.IsLetterOrDigit(ch) && - Separators.IndexOf(ch) >= 0) - { - invalidChar = ch.ToString(); - break; - } - - i++; - } - - if (invalidChar != null) - { - throw new ArgumentException("net_WebSockets_InvalidCharInProtocolString"); - } - } - - internal static void ValidateCloseStatus(WebSocketCloseStatus closeStatus, string statusDescription) - { - if (closeStatus == WebSocketCloseStatus.Empty && !string.IsNullOrEmpty(statusDescription)) - { - throw new ArgumentException("net_WebSockets_ReasonNotNull"); - } - - int closeStatusCode = (int)closeStatus; - - if ((closeStatusCode >= InvalidCloseStatusCodesFrom && - closeStatusCode <= InvalidCloseStatusCodesTo) || - closeStatusCode == CloseStatusCodeAbort || - closeStatusCode == CloseStatusCodeFailedTLSHandshake) - { - // CloseStatus 1006 means Aborted - this will never appear on the wire and is reflected by calling WebSocket.Abort - throw new ArgumentException("net_WebSockets_InvalidCloseStatusCode"); - } - - int length = 0; - if (!string.IsNullOrEmpty(statusDescription)) - { - length = Encoding.UTF8.GetByteCount(statusDescription); - } - - if (length > MaxControlFramePayloadLength) - { - throw new ArgumentException("net_WebSockets_InvalidCloseStatusDescription"); - } - } - - internal static void ValidateArraySegment(ArraySegment<byte> arraySegment, string parameterName) - { - if (arraySegment.Array == null) - { - throw new ArgumentNullException(parameterName + "." + nameof(arraySegment.Array)); - } - if (arraySegment.Offset < 0 || arraySegment.Offset > arraySegment.Array.Length) - { - throw new ArgumentOutOfRangeException(parameterName + "." + nameof(arraySegment.Offset)); - } - if (arraySegment.Count < 0 || arraySegment.Count > (arraySegment.Array.Length - arraySegment.Offset)) - { - throw new ArgumentOutOfRangeException(parameterName + "." + nameof(arraySegment.Count)); - } - } - - internal static void ValidateBuffer(byte[] buffer, int offset, int count) - { - if (buffer == null) - { - throw new ArgumentNullException(nameof(buffer)); - } - - if (offset < 0 || offset > buffer.Length) - { - throw new ArgumentOutOfRangeException(nameof(offset)); - } - - if (count < 0 || count > (buffer.Length - offset)) - { - throw new ArgumentOutOfRangeException(nameof(count)); - } - } - } -} diff --git a/SocketHttpListener/Opcode.cs b/SocketHttpListener/Opcode.cs deleted file mode 100644 index 69cf3f372..000000000 --- a/SocketHttpListener/Opcode.cs +++ /dev/null @@ -1,43 +0,0 @@ -namespace SocketHttpListener -{ - /// <summary> - /// Contains the values of the opcode that indicates the type of a WebSocket frame. - /// </summary> - /// <remarks> - /// The values of the opcode are defined in - /// <see href="http://tools.ietf.org/html/rfc6455#section-5.2">Section 5.2</see> of RFC 6455. - /// </remarks> - public enum Opcode : byte - { - /// <summary> - /// Equivalent to numeric value 0. - /// Indicates a continuation frame. - /// </summary> - Cont = 0x0, - /// <summary> - /// Equivalent to numeric value 1. - /// Indicates a text frame. - /// </summary> - Text = 0x1, - /// <summary> - /// Equivalent to numeric value 2. - /// Indicates a binary frame. - /// </summary> - Binary = 0x2, - /// <summary> - /// Equivalent to numeric value 8. - /// Indicates a connection close frame. - /// </summary> - Close = 0x8, - /// <summary> - /// Equivalent to numeric value 9. - /// Indicates a ping frame. - /// </summary> - Ping = 0x9, - /// <summary> - /// Equivalent to numeric value 10. - /// Indicates a pong frame. - /// </summary> - Pong = 0xa - } -} diff --git a/SocketHttpListener/PayloadData.cs b/SocketHttpListener/PayloadData.cs deleted file mode 100644 index 6d15a6bcb..000000000 --- a/SocketHttpListener/PayloadData.cs +++ /dev/null @@ -1,130 +0,0 @@ -using System; -using System.Collections; -using System.Collections.Generic; -using System.Text; - -namespace SocketHttpListener -{ - internal class PayloadData : IEnumerable<byte> - { - #region Private Fields - - private byte[] _applicationData; - private byte[] _extensionData; - private bool _masked; - - #endregion - - #region Public Const Fields - - public const ulong MaxLength = long.MaxValue; - - #endregion - - #region Public Constructors - - public PayloadData() - : this(new byte[0], new byte[0], false) - { - } - - public PayloadData(byte[] applicationData) - : this(new byte[0], applicationData, false) - { - } - - public PayloadData(string applicationData) - : this(new byte[0], Encoding.UTF8.GetBytes(applicationData), false) - { - } - - public PayloadData(byte[] applicationData, bool masked) - : this(new byte[0], applicationData, masked) - { - } - - public PayloadData(byte[] extensionData, byte[] applicationData, bool masked) - { - _extensionData = extensionData; - _applicationData = applicationData; - _masked = masked; - } - - #endregion - - #region Internal Properties - - internal bool ContainsReservedCloseStatusCode => - _applicationData.Length > 1 && - _applicationData.SubArray(0, 2).ToUInt16(ByteOrder.Big).IsReserved(); - - #endregion - - #region Public Properties - - public byte[] ApplicationData => _applicationData; - - public byte[] ExtensionData => _extensionData; - - public bool IsMasked => _masked; - - public ulong Length => (ulong)(_extensionData.Length + _applicationData.Length); - - #endregion - - #region Private Methods - - private static void mask(byte[] src, byte[] key) - { - for (long i = 0; i < src.Length; i++) - src[i] = (byte)(src[i] ^ key[i % 4]); - } - - #endregion - - #region Public Methods - - public IEnumerator<byte> GetEnumerator() - { - foreach (byte b in _extensionData) - yield return b; - - foreach (byte b in _applicationData) - yield return b; - } - - public void Mask(byte[] maskingKey) - { - if (_extensionData.Length > 0) - mask(_extensionData, maskingKey); - - if (_applicationData.Length > 0) - mask(_applicationData, maskingKey); - - _masked = !_masked; - } - - public byte[] ToByteArray() - { - return _extensionData.Length > 0 - ? new List<byte>(this).ToArray() - : _applicationData; - } - - public override string ToString() - { - return BitConverter.ToString(ToByteArray()); - } - - #endregion - - #region Explicitly Implemented Interface Members - - IEnumerator IEnumerable.GetEnumerator() - { - return GetEnumerator(); - } - - #endregion - } -} diff --git a/SocketHttpListener/Properties/AssemblyInfo.cs b/SocketHttpListener/Properties/AssemblyInfo.cs deleted file mode 100644 index a69bd176f..000000000 --- a/SocketHttpListener/Properties/AssemblyInfo.cs +++ /dev/null @@ -1,21 +0,0 @@ -using System.Reflection; -using System.Resources; -using System.Runtime.InteropServices; - -// General Information about an assembly is controlled through the following -// set of attributes. Change these attribute values to modify the information -// associated with an assembly. -[assembly: AssemblyTitle("SocketHttpListener")] -[assembly: AssemblyDescription("")] -[assembly: AssemblyConfiguration("")] -[assembly: AssemblyCompany("Jellyfin Project")] -[assembly: AssemblyProduct("Jellyfin: The Free Software Media System")] -[assembly: AssemblyCopyright("Copyright © 2019 Jellyfin Contributors. Code released under the GNU General Public License Version 2")] -[assembly: AssemblyTrademark("")] -[assembly: AssemblyCulture("")] -[assembly: NeutralResourcesLanguage("en")] - -// Setting ComVisible to false makes the types in this assembly not visible -// to COM components. If you need to access a type in this assembly from -// COM, set the ComVisible attribute to true on that type. -[assembly: ComVisible(false)] diff --git a/SocketHttpListener/Rsv.cs b/SocketHttpListener/Rsv.cs deleted file mode 100644 index 87283791e..000000000 --- a/SocketHttpListener/Rsv.cs +++ /dev/null @@ -1,8 +0,0 @@ -namespace SocketHttpListener -{ - internal enum Rsv : byte - { - Off = 0x0, - On = 0x1 - } -} diff --git a/SocketHttpListener/SocketHttpListener.csproj b/SocketHttpListener/SocketHttpListener.csproj deleted file mode 100644 index e700540a9..000000000 --- a/SocketHttpListener/SocketHttpListener.csproj +++ /dev/null @@ -1,18 +0,0 @@ -<Project Sdk="Microsoft.NET.Sdk"> - - <ItemGroup> - <ProjectReference Include="..\MediaBrowser.Common\MediaBrowser.Common.csproj" /> - <ProjectReference Include="..\MediaBrowser.Model\MediaBrowser.Model.csproj" /> - </ItemGroup> - - <ItemGroup> - <Compile Include="..\SharedVersion.cs" /> - </ItemGroup> - - <PropertyGroup> - <TargetFramework>netstandard2.0</TargetFramework> - <AllowUnsafeBlocks>true</AllowUnsafeBlocks> - <GenerateAssemblyInfo>false</GenerateAssemblyInfo> - </PropertyGroup> - -</Project> diff --git a/SocketHttpListener/SocketStream.cs b/SocketHttpListener/SocketStream.cs deleted file mode 100644 index f51fde97e..000000000 --- a/SocketHttpListener/SocketStream.cs +++ /dev/null @@ -1,74 +0,0 @@ -using System; -using System.IO; -using System.Net.Sockets; - -namespace SocketHttpListener -{ - public class SocketStream : Stream - { - private readonly Socket _socket; - - public SocketStream(Socket socket, bool ownsSocket) - { - _socket = socket; - } - - public override void Flush() - { - } - - public override bool CanRead => true; - - public override bool CanSeek => false; - - public override bool CanWrite => true; - - public override long Length => throw new NotImplementedException(); - - public override long Position - { - get => throw new NotImplementedException(); - set => throw new NotImplementedException(); - } - - public override void Write(byte[] buffer, int offset, int count) - { - _socket.Send(buffer, offset, count, SocketFlags.None); - } - - public override IAsyncResult BeginWrite(byte[] buffer, int offset, int count, AsyncCallback callback, object state) - { - return _socket.BeginSend(buffer, offset, count, SocketFlags.None, callback, state); - } - - public override void EndWrite(IAsyncResult asyncResult) - { - _socket.EndSend(asyncResult); - } - - public override void SetLength(long value) - { - throw new NotImplementedException(); - } - - public override long Seek(long offset, SeekOrigin origin) - { - throw new NotImplementedException(); - } - - public override int Read(byte[] buffer, int offset, int count) - { - return _socket.Receive(buffer, offset, count, SocketFlags.None); - } - - public override IAsyncResult BeginRead(byte[] buffer, int offset, int count, AsyncCallback callback, object state) - { - return _socket.BeginReceive(buffer, offset, count, SocketFlags.None, callback, state); - } - - public override int EndRead(IAsyncResult asyncResult) - { - return _socket.EndReceive(asyncResult); - } - } -} diff --git a/SocketHttpListener/WebSocket.cs b/SocketHttpListener/WebSocket.cs deleted file mode 100644 index 0dcb6a64b..000000000 --- a/SocketHttpListener/WebSocket.cs +++ /dev/null @@ -1,778 +0,0 @@ -using System; -using System.Collections; -using System.Collections.Generic; -using System.IO; -using System.Net; -using System.Net.Sockets; -using System.Text; -using System.Threading; -using System.Threading.Tasks; -using SocketHttpListener.Net.WebSockets; -using HttpStatusCode = SocketHttpListener.Net.HttpStatusCode; -using WebSocketState = System.Net.WebSockets.WebSocketState; - -namespace SocketHttpListener -{ - /// <summary> - /// Implements the WebSocket interface. - /// </summary> - /// <remarks> - /// The WebSocket class provides a set of methods and properties for two-way communication using - /// the WebSocket protocol (<see href="http://tools.ietf.org/html/rfc6455">RFC 6455</see>). - /// </remarks> - public class WebSocket : IDisposable - { - #region Private Fields - - private Action _closeContext; - private CompressionMethod _compression; - private WebSocketContext _context; - private CookieCollection _cookies; - private AutoResetEvent _exitReceiving; - private object _forConn; - private readonly SemaphoreSlim _forEvent = new SemaphoreSlim(1, 1); - private object _forMessageEventQueue; - private readonly SemaphoreSlim _forSend = new SemaphoreSlim(1, 1); - private const string _guid = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11"; - private Queue<MessageEventArgs> _messageEventQueue; - private string _protocol; - private volatile WebSocketState _readyState; - private AutoResetEvent _receivePong; - private bool _secure; - private Stream _stream; - private const string _version = "13"; - - #endregion - - #region Internal Fields - - internal const int FragmentLength = 1016; // Max value is int.MaxValue - 14. - - #endregion - - #region Internal Constructors - - // As server - internal WebSocket(string protocol) - { - _protocol = protocol; - } - - public void SetContext(HttpListenerWebSocketContext context, Action closeContextFn, Stream stream) - { - _context = context; - - _closeContext = closeContextFn; - _secure = context.IsSecureConnection; - _stream = stream; - - init(); - } - - // In the .NET Framework, this pulls the value from a P/Invoke. Here we just hardcode it to a reasonable default. - public static TimeSpan DefaultKeepAliveInterval => TimeSpan.FromSeconds(30); - - #endregion - - /// <summary> - /// Gets the state of the WebSocket connection. - /// </summary> - /// <value> - /// One of the <see cref="WebSocketState"/> enum values, indicates the state of the WebSocket - /// connection. The default value is <see cref="WebSocketState.Connecting"/>. - /// </value> - public WebSocketState ReadyState => _readyState; - - #region Public Events - - /// <summary> - /// Occurs when the WebSocket connection has been closed. - /// </summary> - public event EventHandler<CloseEventArgs> OnClose; - - /// <summary> - /// Occurs when the <see cref="WebSocket"/> gets an error. - /// </summary> - public event EventHandler<ErrorEventArgs> OnError; - - /// <summary> - /// Occurs when the <see cref="WebSocket"/> receives a message. - /// </summary> - public event EventHandler<MessageEventArgs> OnMessage; - - /// <summary> - /// Occurs when the WebSocket connection has been established. - /// </summary> - public event EventHandler OnOpen; - - #endregion - - #region Private Methods - - private async Task CloseAsync(CloseStatusCode code, string reason, bool wait) - { - await CloseAsync(new PayloadData( - await ((ushort)code).AppendAsync(reason).ConfigureAwait(false)), - !code.IsReserved(), - wait).ConfigureAwait(false); - } - - private async Task CloseAsync(PayloadData payload, bool send, bool wait) - { - lock (_forConn) - { - if (_readyState == WebSocketState.CloseSent || _readyState == WebSocketState.Closed) - { - return; - } - - _readyState = WebSocketState.CloseSent; - } - - var e = new CloseEventArgs(payload) - { - WasClean = await CloseHandshakeAsync( - send ? WebSocketFrame.CreateCloseFrame(Mask.Unmask, payload).ToByteArray() : null, - wait ? 1000 : 0).ConfigureAwait(false) - }; - - _readyState = WebSocketState.Closed; - try - { - OnClose.Emit(this, e); - } - catch (Exception ex) - { - error("An exception has occurred while OnClose.", ex); - } - } - - private async Task<bool> CloseHandshakeAsync(byte[] frameAsBytes, int millisecondsTimeout) - { - var sent = frameAsBytes != null && await WriteBytesAsync(frameAsBytes).ConfigureAwait(false); - var received = - millisecondsTimeout == 0 || - (sent && _exitReceiving != null && _exitReceiving.WaitOne(millisecondsTimeout)); - - closeServerResources(); - - if (_receivePong != null) - { - _receivePong.Dispose(); - _receivePong = null; - } - - if (_exitReceiving != null) - { - _exitReceiving.Dispose(); - _exitReceiving = null; - } - - var result = sent && received; - - return result; - } - - // As server - private void closeServerResources() - { - if (_closeContext == null) - return; - - try - { - _closeContext(); - } - catch (SocketException) - { - // it could be unable to send the handshake response - } - - _closeContext = null; - _stream = null; - _context = null; - } - - private async Task<bool> ConcatenateFragmentsIntoAsync(Stream dest) - { - while (true) - { - var frame = await WebSocketFrame.ReadAsync(_stream, true).ConfigureAwait(false); - if (frame.IsFinal) - { - /* FINAL */ - - // CONT - if (frame.IsContinuation) - { - dest.WriteBytes(frame.PayloadData.ApplicationData); - break; - } - - // PING - if (frame.IsPing) - { - processPingFrame(frame); - continue; - } - - // PONG - if (frame.IsPong) - { - processPongFrame(frame); - continue; - } - - // CLOSE - if (frame.IsClose) - return await ProcessCloseFrameAsync(frame).ConfigureAwait(false); - } - else - { - /* MORE */ - - // CONT - if (frame.IsContinuation) - { - dest.WriteBytes(frame.PayloadData.ApplicationData); - continue; - } - } - - // ? - return await ProcessUnsupportedFrameAsync( - frame, - CloseStatusCode.IncorrectData, - "An incorrect data has been received while receiving fragmented data.").ConfigureAwait(false); - } - - return true; - } - - // As server - private HttpResponse createHandshakeCloseResponse(HttpStatusCode code) - { - var res = HttpResponse.CreateCloseResponse(code); - res.Headers["Sec-WebSocket-Version"] = _version; - - return res; - } - - private MessageEventArgs dequeueFromMessageEventQueue() - { - lock (_forMessageEventQueue) - return _messageEventQueue.Count > 0 - ? _messageEventQueue.Dequeue() - : null; - } - - private void enqueueToMessageEventQueue(MessageEventArgs e) - { - lock (_forMessageEventQueue) - _messageEventQueue.Enqueue(e); - } - - private void error(string message, Exception exception) - { - try - { - if (exception != null) - { - message += ". Exception.Message: " + exception.Message; - } - OnError.Emit(this, new ErrorEventArgs(message)); - } - catch (Exception) - { - } - } - - private void error(string message) - { - try - { - OnError.Emit(this, new ErrorEventArgs(message)); - } - catch (Exception) - { - } - } - - private void init() - { - _compression = CompressionMethod.None; - _cookies = new CookieCollection(); - _forConn = new object(); - _messageEventQueue = new Queue<MessageEventArgs>(); - _forMessageEventQueue = ((ICollection)_messageEventQueue).SyncRoot; - _readyState = WebSocketState.Connecting; - } - - private async Task OpenAsync() - { - try - { - startReceiving(); - - } - catch (Exception ex) - { - await ProcessExceptionAsync(ex, "An exception has occurred while opening.").ConfigureAwait(false); - } - - await _forEvent.WaitAsync().ConfigureAwait(false); - try - { - OnOpen?.Invoke(this, EventArgs.Empty); - } - catch (Exception ex) - { - await ProcessExceptionAsync(ex, "An exception has occurred while OnOpen.").ConfigureAwait(false); - } - finally - { - _forEvent.Release(); - } - } - - private async Task<bool> ProcessCloseFrameAsync(WebSocketFrame frame) - { - var payload = frame.PayloadData; - await CloseAsync(payload, !payload.ContainsReservedCloseStatusCode, false).ConfigureAwait(false); - - return false; - } - - private bool processDataFrame(WebSocketFrame frame) - { - var e = frame.IsCompressed - ? new MessageEventArgs( - frame.Opcode, frame.PayloadData.ApplicationData.Decompress(_compression)) - : new MessageEventArgs(frame.Opcode, frame.PayloadData); - - enqueueToMessageEventQueue(e); - return true; - } - - private async Task ProcessExceptionAsync(Exception exception, string message) - { - var code = CloseStatusCode.Abnormal; - var reason = message; - if (exception is WebSocketException) - { - var wsex = (WebSocketException)exception; - code = wsex.Code; - reason = wsex.Message; - } - - error(message ?? code.GetMessage(), exception); - if (_readyState == WebSocketState.Connecting) - { - await CloseAsync(HttpStatusCode.BadRequest).ConfigureAwait(false); - } - else - { - await CloseAsync(code, reason ?? code.GetMessage(), false).ConfigureAwait(false); - } - } - - private Task<bool> ProcessFragmentedFrameAsync(WebSocketFrame frame) - { - return frame.IsContinuation // Not first fragment - ? Task.FromResult(true) - : ProcessFragmentsAsync(frame); - } - - private async Task<bool> ProcessFragmentsAsync(WebSocketFrame first) - { - using (var buff = new MemoryStream()) - { - buff.WriteBytes(first.PayloadData.ApplicationData); - if (!await ConcatenateFragmentsIntoAsync(buff).ConfigureAwait(false)) - { - return false; - } - - byte[] data; - if (_compression != CompressionMethod.None) - { - data = buff.DecompressToArray(_compression); - } - else - { - data = buff.ToArray(); - } - - enqueueToMessageEventQueue(new MessageEventArgs(first.Opcode, data)); - return true; - } - } - - private bool processPingFrame(WebSocketFrame frame) - { - return true; - } - - private bool processPongFrame(WebSocketFrame frame) - { - _receivePong.Set(); - - return true; - } - - private async Task<bool> ProcessUnsupportedFrameAsync(WebSocketFrame frame, CloseStatusCode code, string reason) - { - await ProcessExceptionAsync(new WebSocketException(code, reason), null).ConfigureAwait(false); - - return false; - } - - private Task<bool> ProcessWebSocketFrameAsync(WebSocketFrame frame) - { - // TODO: @bond change to if/else chain - return frame.IsCompressed && _compression == CompressionMethod.None - ? ProcessUnsupportedFrameAsync( - frame, - CloseStatusCode.IncorrectData, - "A compressed data has been received without available decompression method.") - : frame.IsFragmented - ? ProcessFragmentedFrameAsync(frame) - : frame.IsData - ? Task.FromResult(processDataFrame(frame)) - : frame.IsPing - ? Task.FromResult(processPingFrame(frame)) - : frame.IsPong - ? Task.FromResult(processPongFrame(frame)) - : frame.IsClose - ? ProcessCloseFrameAsync(frame) - : ProcessUnsupportedFrameAsync(frame, CloseStatusCode.PolicyViolation, null); - } - - private async Task<bool> SendAsync(Opcode opcode, Stream stream) - { - await _forSend.WaitAsync().ConfigureAwait(false); - try - { - var src = stream; - var compressed = false; - var sent = false; - try - { - if (_compression != CompressionMethod.None) - { - stream = stream.Compress(_compression); - compressed = true; - } - - sent = await SendAsync(opcode, Mask.Unmask, stream, compressed).ConfigureAwait(false); - if (!sent) - error("Sending a data has been interrupted."); - } - catch (Exception ex) - { - error("An exception has occurred while sending a data.", ex); - } - finally - { - if (compressed) - stream.Dispose(); - - src.Dispose(); - } - - return sent; - } - finally - { - _forSend.Release(); - } - } - - private async Task<bool> SendAsync(Opcode opcode, Mask mask, Stream stream, bool compressed) - { - var len = stream.Length; - - /* Not fragmented */ - - if (len == 0) - return await SendAsync(Fin.Final, opcode, mask, new byte[0], compressed).ConfigureAwait(false); - - var quo = len / FragmentLength; - var rem = (int)(len % FragmentLength); - - byte[] buff = null; - if (quo == 0) - { - buff = new byte[rem]; - return await stream.ReadAsync(buff, 0, rem).ConfigureAwait(false) == rem && - await SendAsync(Fin.Final, opcode, mask, buff, compressed).ConfigureAwait(false); - } - - buff = new byte[FragmentLength]; - if (quo == 1 && rem == 0) - return await stream.ReadAsync(buff, 0, FragmentLength).ConfigureAwait(false) == FragmentLength && - await SendAsync(Fin.Final, opcode, mask, buff, compressed).ConfigureAwait(false); - - /* Send fragmented */ - - // Begin - if (await stream.ReadAsync(buff, 0, FragmentLength).ConfigureAwait(false) != FragmentLength || - !await SendAsync(Fin.More, opcode, mask, buff, compressed).ConfigureAwait(false)) - return false; - - var n = rem == 0 ? quo - 2 : quo - 1; - for (long i = 0; i < n; i++) - if (await stream.ReadAsync(buff, 0, FragmentLength).ConfigureAwait(false) != FragmentLength || - !await SendAsync(Fin.More, Opcode.Cont, mask, buff, compressed).ConfigureAwait(false)) - return false; - - // End - if (rem == 0) - rem = FragmentLength; - else - buff = new byte[rem]; - - return await stream.ReadAsync(buff, 0, rem).ConfigureAwait(false) == rem && - await SendAsync(Fin.Final, Opcode.Cont, mask, buff, compressed).ConfigureAwait(false); - } - - private Task<bool> SendAsync(Fin fin, Opcode opcode, Mask mask, byte[] data, bool compressed) - { - lock (_forConn) - { - if (_readyState != WebSocketState.Open) - { - return Task.FromResult(false); - } - - return WriteBytesAsync( - WebSocketFrame.CreateWebSocketFrame(fin, opcode, mask, data, compressed).ToByteArray()); - } - } - - // As server - private Task<bool> SendHttpResponseAsync(HttpResponse response) - => WriteBytesAsync(response.ToByteArray()); - - private void startReceiving() - { - if (_messageEventQueue.Count > 0) - { - _messageEventQueue.Clear(); - } - - _exitReceiving = new AutoResetEvent(false); - _receivePong = new AutoResetEvent(false); - - Action receive = null; - receive = async () => await WebSocketFrame.ReadAsync( - _stream, - true, - async frame => - { - if (await ProcessWebSocketFrameAsync(frame).ConfigureAwait(false) && _readyState != WebSocketState.Closed) - { - receive(); - - if (!frame.IsData) - { - return; - } - - await _forEvent.WaitAsync().ConfigureAwait(false); - - try - { - var e = dequeueFromMessageEventQueue(); - if (e != null && _readyState == WebSocketState.Open) - { - OnMessage.Emit(this, e); - } - } - catch (Exception ex) - { - await ProcessExceptionAsync(ex, "An exception has occurred while OnMessage.").ConfigureAwait(false); - } - finally - { - _forEvent.Release(); - } - - } - else if (_exitReceiving != null) - { - _exitReceiving.Set(); - } - }, - async ex => await ProcessExceptionAsync(ex, "An exception has occurred while receiving a message.")).ConfigureAwait(false); - - receive(); - } - - private async Task<bool> WriteBytesAsync(byte[] data) - { - try - { - await _stream.WriteAsync(data, 0, data.Length).ConfigureAwait(false); - return true; - } - catch (Exception) - { - return false; - } - } - - #endregion - - #region Internal Methods - - // As server - internal async Task CloseAsync(HttpResponse response) - { - _readyState = WebSocketState.CloseSent; - await SendHttpResponseAsync(response).ConfigureAwait(false); - - closeServerResources(); - - _readyState = WebSocketState.Closed; - } - - // As server - internal Task CloseAsync(HttpStatusCode code) - => CloseAsync(createHandshakeCloseResponse(code)); - - // As server - public async Task ConnectAsServer() - { - try - { - _readyState = WebSocketState.Open; - await OpenAsync().ConfigureAwait(false); - } - catch (Exception ex) - { - await ProcessExceptionAsync(ex, "An exception has occurred while connecting.").ConfigureAwait(false); - } - } - - #endregion - - #region Public Methods - - /// <summary> - /// Closes the WebSocket connection, and releases all associated resources. - /// </summary> - public Task CloseAsync() - { - var msg = _readyState.CheckIfClosable(); - if (msg != null) - { - error(msg); - - return Task.CompletedTask; - } - - var send = _readyState == WebSocketState.Open; - return CloseAsync(new PayloadData(), send, send); - } - - /// <summary> - /// Closes the WebSocket connection with the specified <see cref="CloseStatusCode"/> - /// and <see cref="string"/>, and releases all associated resources. - /// </summary> - /// <remarks> - /// This method emits a <see cref="OnError"/> event if the size - /// of <paramref name="reason"/> is greater than 123 bytes. - /// </remarks> - /// <param name="code"> - /// One of the <see cref="CloseStatusCode"/> enum values, represents the status code - /// indicating the reason for the close. - /// </param> - /// <param name="reason"> - /// A <see cref="string"/> that represents the reason for the close. - /// </param> - public async Task CloseAsync(CloseStatusCode code, string reason) - { - byte[] data = null; - var msg = _readyState.CheckIfClosable() ?? - (data = await ((ushort)code).AppendAsync(reason).ConfigureAwait(false)).CheckIfValidControlData("reason"); - - if (msg != null) - { - error(msg); - - return; - } - - var send = _readyState == WebSocketState.Open && !code.IsReserved(); - await CloseAsync(new PayloadData(data), send, send).ConfigureAwait(false); - } - - /// <summary> - /// Sends a binary <paramref name="data"/> asynchronously using the WebSocket connection. - /// </summary> - /// <remarks> - /// This method doesn't wait for the send to be complete. - /// </remarks> - /// <param name="data"> - /// An array of <see cref="byte"/> that represents the binary data to send. - /// </param> - public Task SendAsync(byte[] data) - { - if (data == null) - { - throw new ArgumentNullException(nameof(data)); - } - - var msg = _readyState.CheckIfOpen(); - if (msg != null) - { - throw new Exception(msg); - } - - return SendAsync(Opcode.Binary, new MemoryStream(data)); - } - - /// <summary> - /// Sends a text <paramref name="data"/> asynchronously using the WebSocket connection. - /// </summary> - /// <remarks> - /// This method doesn't wait for the send to be complete. - /// </remarks> - /// <param name="data"> - /// A <see cref="string"/> that represents the text data to send. - /// </param> - public Task SendAsync(string data) - { - if (data == null) - { - throw new ArgumentNullException(nameof(data)); - } - - var msg = _readyState.CheckIfOpen(); - if (msg != null) - { - throw new Exception(msg); - } - - return SendAsync(Opcode.Text, new MemoryStream(Encoding.UTF8.GetBytes(data))); - } - - #endregion - - #region Explicit Interface Implementation - - /// <summary> - /// Closes the WebSocket connection, and releases all associated resources. - /// </summary> - /// <remarks> - /// This method closes the WebSocket connection with <see cref="CloseStatusCode.Away"/>. - /// </remarks> - void IDisposable.Dispose() - { - CloseAsync(CloseStatusCode.Away, null).GetAwaiter().GetResult(); - } - - #endregion - } -} diff --git a/SocketHttpListener/WebSocketException.cs b/SocketHttpListener/WebSocketException.cs deleted file mode 100644 index e86c46d0f..000000000 --- a/SocketHttpListener/WebSocketException.cs +++ /dev/null @@ -1,61 +0,0 @@ -using System; - -namespace SocketHttpListener -{ - /// <summary> - /// The exception that is thrown when a <see cref="WebSocket"/> gets a fatal error. - /// </summary> - public class WebSocketException : Exception - { - #region Internal Constructors - - internal WebSocketException() - : this(CloseStatusCode.Abnormal, null, null) - { - } - - internal WebSocketException(string message) - : this(CloseStatusCode.Abnormal, message, null) - { - } - - internal WebSocketException(CloseStatusCode code) - : this(code, null, null) - { - } - - internal WebSocketException(string message, Exception innerException) - : this(CloseStatusCode.Abnormal, message, innerException) - { - } - - internal WebSocketException(CloseStatusCode code, string message) - : this(code, message, null) - { - } - - internal WebSocketException(CloseStatusCode code, string message, Exception innerException) - : base(message ?? code.GetMessage(), innerException) - { - Code = code; - } - - #endregion - - #region Public Properties - - /// <summary> - /// Gets the status code indicating the cause for the exception. - /// </summary> - /// <value> - /// One of the <see cref="CloseStatusCode"/> enum values, represents the status code indicating - /// the cause for the exception. - /// </value> - public CloseStatusCode Code - { - get; private set; - } - - #endregion - } -} diff --git a/SocketHttpListener/WebSocketFrame.cs b/SocketHttpListener/WebSocketFrame.cs deleted file mode 100644 index 8ec64026b..000000000 --- a/SocketHttpListener/WebSocketFrame.cs +++ /dev/null @@ -1,432 +0,0 @@ -using System; -using System.Collections; -using System.Collections.Generic; -using System.IO; -using System.Threading.Tasks; - -namespace SocketHttpListener -{ - internal class WebSocketFrame : IEnumerable<byte> - { - #region Private Fields - - private byte[] _extPayloadLength; - private Fin _fin; - private Mask _mask; - private byte[] _maskingKey; - private Opcode _opcode; - private PayloadData _payloadData; - private byte _payloadLength; - private Rsv _rsv1; - private Rsv _rsv2; - private Rsv _rsv3; - - #endregion - - #region Internal Fields - - internal static readonly byte[] EmptyUnmaskPingData; - - #endregion - - #region Static Constructor - - static WebSocketFrame() - { - EmptyUnmaskPingData = CreatePingFrame(Mask.Unmask).ToByteArray(); - } - - #endregion - - #region Private Constructors - - private WebSocketFrame() - { - } - - #endregion - - #region Internal Constructors - - internal WebSocketFrame(Opcode opcode, PayloadData payload) - : this(Fin.Final, opcode, Mask.Mask, payload, false) - { - } - - internal WebSocketFrame(Opcode opcode, Mask mask, PayloadData payload) - : this(Fin.Final, opcode, mask, payload, false) - { - } - - internal WebSocketFrame(Fin fin, Opcode opcode, Mask mask, PayloadData payload) - : this(fin, opcode, mask, payload, false) - { - } - - internal WebSocketFrame( - Fin fin, Opcode opcode, Mask mask, PayloadData payload, bool compressed) - { - _fin = fin; - _rsv1 = isData(opcode) && compressed ? Rsv.On : Rsv.Off; - _rsv2 = Rsv.Off; - _rsv3 = Rsv.Off; - _opcode = opcode; - _mask = mask; - - var len = payload.Length; - if (len < 126) - { - _payloadLength = (byte)len; - _extPayloadLength = new byte[0]; - } - else if (len < 0x010000) - { - _payloadLength = (byte)126; - _extPayloadLength = ((ushort)len).ToByteArrayInternally(ByteOrder.Big); - } - else - { - _payloadLength = (byte)127; - _extPayloadLength = len.ToByteArrayInternally(ByteOrder.Big); - } - - if (mask == Mask.Mask) - { - _maskingKey = createMaskingKey(); - payload.Mask(_maskingKey); - } - else - { - _maskingKey = new byte[0]; - } - - _payloadData = payload; - } - - #endregion - - #region Public Properties - - public byte[] ExtendedPayloadLength => _extPayloadLength; - - public Fin Fin => _fin; - - public bool IsBinary => _opcode == Opcode.Binary; - - public bool IsClose => _opcode == Opcode.Close; - - public bool IsCompressed => _rsv1 == Rsv.On; - - public bool IsContinuation => _opcode == Opcode.Cont; - - public bool IsControl => _opcode == Opcode.Close || _opcode == Opcode.Ping || _opcode == Opcode.Pong; - - public bool IsData => _opcode == Opcode.Binary || _opcode == Opcode.Text; - - public bool IsFinal => _fin == Fin.Final; - - public bool IsFragmented => _fin == Fin.More || _opcode == Opcode.Cont; - - public bool IsMasked => _mask == Mask.Mask; - - public bool IsPerMessageCompressed => (_opcode == Opcode.Binary || _opcode == Opcode.Text) && _rsv1 == Rsv.On; - - public bool IsPing => _opcode == Opcode.Ping; - - public bool IsPong => _opcode == Opcode.Pong; - - public bool IsText => _opcode == Opcode.Text; - - public ulong Length => 2 + (ulong)(_extPayloadLength.Length + _maskingKey.Length) + _payloadData.Length; - - public Mask Mask => _mask; - - public byte[] MaskingKey => _maskingKey; - - public Opcode Opcode => _opcode; - - public PayloadData PayloadData => _payloadData; - - public byte PayloadLength => _payloadLength; - - public Rsv Rsv1 => _rsv1; - - public Rsv Rsv2 => _rsv2; - - public Rsv Rsv3 => _rsv3; - - #endregion - - #region Private Methods - - private byte[] createMaskingKey() - { - var key = new byte[4]; - var rand = new Random(); - rand.NextBytes(key); - - return key; - } - - private static bool isControl(Opcode opcode) - { - return opcode == Opcode.Close || opcode == Opcode.Ping || opcode == Opcode.Pong; - } - - private static bool isData(Opcode opcode) - { - return opcode == Opcode.Text || opcode == Opcode.Binary; - } - - private static async Task<WebSocketFrame> ReadAsync(byte[] header, Stream stream, bool unmask) - { - /* Header */ - - // FIN - var fin = (header[0] & 0x80) == 0x80 ? Fin.Final : Fin.More; - // RSV1 - var rsv1 = (header[0] & 0x40) == 0x40 ? Rsv.On : Rsv.Off; - // RSV2 - var rsv2 = (header[0] & 0x20) == 0x20 ? Rsv.On : Rsv.Off; - // RSV3 - var rsv3 = (header[0] & 0x10) == 0x10 ? Rsv.On : Rsv.Off; - // Opcode - var opcode = (Opcode)(header[0] & 0x0f); - // MASK - var mask = (header[1] & 0x80) == 0x80 ? Mask.Mask : Mask.Unmask; - // Payload Length - var payloadLen = (byte)(header[1] & 0x7f); - - // Check if correct frame. - var incorrect = isControl(opcode) && fin == Fin.More - ? "A control frame is fragmented." - : !isData(opcode) && rsv1 == Rsv.On - ? "A non data frame is compressed." - : null; - - if (incorrect != null) - throw new WebSocketException(CloseStatusCode.IncorrectData, incorrect); - - // Check if consistent frame. - if (isControl(opcode) && payloadLen > 125) - throw new WebSocketException( - CloseStatusCode.InconsistentData, - "The length of payload data of a control frame is greater than 125 bytes."); - - var frame = new WebSocketFrame(); - frame._fin = fin; - frame._rsv1 = rsv1; - frame._rsv2 = rsv2; - frame._rsv3 = rsv3; - frame._opcode = opcode; - frame._mask = mask; - frame._payloadLength = payloadLen; - - /* Extended Payload Length */ - - var size = payloadLen < 126 - ? 0 - : payloadLen == 126 - ? 2 - : 8; - - var extPayloadLen = size > 0 ? await stream.ReadBytesAsync(size).ConfigureAwait(false) : Array.Empty<byte>(); - if (size > 0 && extPayloadLen.Length != size) - throw new WebSocketException( - "The 'Extended Payload Length' of a frame cannot be read from the data source."); - - frame._extPayloadLength = extPayloadLen; - - /* Masking Key */ - - var masked = mask == Mask.Mask; - var maskingKey = masked ? await stream.ReadBytesAsync(4).ConfigureAwait(false) : Array.Empty<byte>(); - if (masked && maskingKey.Length != 4) - throw new WebSocketException( - "The 'Masking Key' of a frame cannot be read from the data source."); - - frame._maskingKey = maskingKey; - - /* Payload Data */ - - ulong len = payloadLen < 126 - ? payloadLen - : payloadLen == 126 - ? extPayloadLen.ToUInt16(ByteOrder.Big) - : extPayloadLen.ToUInt64(ByteOrder.Big); - - byte[] data = null; - if (len > 0) - { - // Check if allowable payload data length. - if (payloadLen > 126 && len > PayloadData.MaxLength) - throw new WebSocketException( - CloseStatusCode.TooBig, - "The length of 'Payload Data' of a frame is greater than the allowable length."); - - data = payloadLen > 126 - ? await stream.ReadBytesAsync((long)len, 1024).ConfigureAwait(false) - : await stream.ReadBytesAsync((int)len).ConfigureAwait(false); - - //if (data.LongLength != (long)len) - // throw new WebSocketException( - // "The 'Payload Data' of a frame cannot be read from the data source."); - } - else - { - data = Array.Empty<byte>(); - } - - var payload = new PayloadData(data, masked); - if (masked && unmask) - { - payload.Mask(maskingKey); - frame._mask = Mask.Unmask; - frame._maskingKey = Array.Empty<byte>(); - } - - frame._payloadData = payload; - return frame; - } - - #endregion - - #region Internal Methods - - internal static WebSocketFrame CreateCloseFrame(Mask mask, byte[] data) - { - return new WebSocketFrame(Opcode.Close, mask, new PayloadData(data)); - } - - internal static WebSocketFrame CreateCloseFrame(Mask mask, PayloadData payload) - { - return new WebSocketFrame(Opcode.Close, mask, payload); - } - - internal static async Task<WebSocketFrame> CreateCloseFrameAsync(Mask mask, CloseStatusCode code, string reason) - { - return new WebSocketFrame( - Opcode.Close, mask, new PayloadData(await ((ushort)code).AppendAsync(reason).ConfigureAwait(false))); - } - - internal static WebSocketFrame CreatePingFrame(Mask mask) - { - return new WebSocketFrame(Opcode.Ping, mask, new PayloadData()); - } - - internal static WebSocketFrame CreatePingFrame(Mask mask, byte[] data) - { - return new WebSocketFrame(Opcode.Ping, mask, new PayloadData(data)); - } - - internal static WebSocketFrame CreatePongFrame(Mask mask, PayloadData payload) - { - return new WebSocketFrame(Opcode.Pong, mask, payload); - } - - internal static WebSocketFrame CreateWebSocketFrame( - Fin fin, Opcode opcode, Mask mask, byte[] data, bool compressed) - { - return new WebSocketFrame(fin, opcode, mask, new PayloadData(data), compressed); - } - - internal static Task<WebSocketFrame> ReadAsync(Stream stream) - => ReadAsync(stream, true); - - internal static async Task<WebSocketFrame> ReadAsync(Stream stream, bool unmask) - { - var header = await stream.ReadBytesAsync(2).ConfigureAwait(false); - if (header.Length != 2) - { - throw new WebSocketException( - "The header part of a frame cannot be read from the data source."); - } - - return await ReadAsync(header, stream, unmask).ConfigureAwait(false); - } - - internal static async Task ReadAsync( - Stream stream, bool unmask, Action<WebSocketFrame> completed, Action<Exception> error) - { - try - { - var header = await stream.ReadBytesAsync(2).ConfigureAwait(false); - if (header.Length != 2) - { - throw new WebSocketException( - "The header part of a frame cannot be read from the data source."); - } - - var frame = await ReadAsync(header, stream, unmask).ConfigureAwait(false); - completed?.Invoke(frame); - } - catch (Exception ex) - { - error.Invoke(ex); - } - } - - #endregion - - #region Public Methods - - public IEnumerator<byte> GetEnumerator() - { - foreach (var b in ToByteArray()) - yield return b; - } - - public void Print(bool dumped) - { - //Console.WriteLine(dumped ? dump(this) : print(this)); - } - - public byte[] ToByteArray() - { - using (var buff = new MemoryStream()) - { - var header = (int)_fin; - header = (header << 1) + (int)_rsv1; - header = (header << 1) + (int)_rsv2; - header = (header << 1) + (int)_rsv3; - header = (header << 4) + (int)_opcode; - header = (header << 1) + (int)_mask; - header = (header << 7) + (int)_payloadLength; - buff.Write(((ushort)header).ToByteArrayInternally(ByteOrder.Big), 0, 2); - - if (_payloadLength > 125) - buff.Write(_extPayloadLength, 0, _extPayloadLength.Length); - - if (_mask == Mask.Mask) - buff.Write(_maskingKey, 0, _maskingKey.Length); - - if (_payloadLength > 0) - { - var payload = _payloadData.ToByteArray(); - if (_payloadLength < 127) - buff.Write(payload, 0, payload.Length); - else - buff.WriteBytes(payload); - } - - return buff.ToArray(); - } - } - - public override string ToString() - { - return BitConverter.ToString(ToByteArray()); - } - - #endregion - - #region Explicitly Implemented Interface Members - - IEnumerator IEnumerable.GetEnumerator() - { - return GetEnumerator(); - } - - #endregion - } -} |
