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-rw-r--r--Emby.Server.Implementations/SocketSharp/RequestMono.cs659
1 files changed, 0 insertions, 659 deletions
diff --git a/Emby.Server.Implementations/SocketSharp/RequestMono.cs b/Emby.Server.Implementations/SocketSharp/RequestMono.cs
deleted file mode 100644
index 373f6d758..000000000
--- a/Emby.Server.Implementations/SocketSharp/RequestMono.cs
+++ /dev/null
@@ -1,659 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Globalization;
-using System.IO;
-using System.Net;
-using System.Text;
-using System.Threading.Tasks;
-using MediaBrowser.Model.Services;
-using Microsoft.Extensions.Primitives;
-using Microsoft.Net.Http.Headers;
-
-namespace Emby.Server.Implementations.SocketSharp
-{
- public partial class WebSocketSharpRequest : IHttpRequest
- {
- internal static string GetParameter(ReadOnlySpan<char> header, string attr)
- {
- int ap = header.IndexOf(attr.AsSpan(), StringComparison.Ordinal);
- if (ap == -1)
- {
- return null;
- }
-
- ap += attr.Length;
- if (ap >= header.Length)
- {
- return null;
- }
-
- char ending = header[ap];
- if (ending != '"')
- {
- ending = ' ';
- }
-
- var slice = header.Slice(ap + 1);
- int end = slice.IndexOf(ending);
- if (end == -1)
- {
- return ending == '"' ? null : header.Slice(ap).ToString();
- }
-
- return slice.Slice(0, end - ap - 1).ToString();
- }
-
- private async Task LoadMultiPart(WebROCollection form)
- {
- string boundary = GetParameter(ContentType.AsSpan(), "; boundary=");
- if (boundary == null)
- {
- return;
- }
-
- using (var requestStream = InputStream)
- {
- // DB: 30/01/11 - Hack to get around non-seekable stream and received HTTP request
- // Not ending with \r\n?
- var ms = new MemoryStream(32 * 1024);
- await requestStream.CopyToAsync(ms).ConfigureAwait(false);
-
- var input = ms;
- ms.WriteByte((byte)'\r');
- ms.WriteByte((byte)'\n');
-
- input.Position = 0;
-
- // Uncomment to debug
- // var content = new StreamReader(ms).ReadToEnd();
- // Console.WriteLine(boundary + "::" + content);
- // input.Position = 0;
-
- var multi_part = new HttpMultipart(input, boundary, ContentEncoding);
-
- HttpMultipart.Element e;
- while ((e = multi_part.ReadNextElement()) != null)
- {
- if (e.Filename == null)
- {
- byte[] copy = new byte[e.Length];
-
- input.Position = e.Start;
- await input.ReadAsync(copy, 0, (int)e.Length).ConfigureAwait(false);
-
- form.Add(e.Name, (e.Encoding ?? ContentEncoding).GetString(copy, 0, copy.Length));
- }
- else
- {
- // We use a substream, as in 2.x we will support large uploads streamed to disk,
- var sub = new HttpPostedFile(e.Filename, e.ContentType, input, e.Start, e.Length);
- files[e.Name] = sub;
- }
- }
- }
- }
-
- public async Task<QueryParamCollection> GetFormData()
- {
- var form = new WebROCollection();
- files = new Dictionary<string, HttpPostedFile>();
-
- if (IsContentType("multipart/form-data"))
- {
- await LoadMultiPart(form).ConfigureAwait(false);
- }
- else if (IsContentType("application/x-www-form-urlencoded"))
- {
- await LoadWwwForm(form).ConfigureAwait(false);
- }
-
- if (validate_form && !checked_form)
- {
- checked_form = true;
- ValidateNameValueCollection("Form", form);
- }
-
- return form;
- }
-
- public string Accept => StringValues.IsNullOrEmpty(request.Headers[HeaderNames.Accept]) ? null : request.Headers[HeaderNames.Accept].ToString();
-
- public string Authorization => StringValues.IsNullOrEmpty(request.Headers[HeaderNames.Authorization]) ? null : request.Headers[HeaderNames.Authorization].ToString();
-
- protected bool validate_form { get; set; }
- protected bool checked_form { get; set; }
-
- private static void ThrowValidationException(string name, string key, string value)
- {
- string v = "\"" + value + "\"";
- if (v.Length > 20)
- {
- v = v.Substring(0, 16) + "...\"";
- }
-
- string msg = string.Format(
- CultureInfo.InvariantCulture,
- "A potentially dangerous Request.{0} value was detected from the client ({1}={2}).",
- name,
- key,
- v);
-
- throw new Exception(msg);
- }
-
- private static void ValidateNameValueCollection(string name, QueryParamCollection coll)
- {
- if (coll == null)
- {
- return;
- }
-
- foreach (var pair in coll)
- {
- var key = pair.Name;
- var val = pair.Value;
- if (val != null && val.Length > 0 && IsInvalidString(val))
- {
- ThrowValidationException(name, key, val);
- }
- }
- }
-
- internal static bool IsInvalidString(string val)
- => IsInvalidString(val, out var validationFailureIndex);
-
- internal static bool IsInvalidString(string val, out int validationFailureIndex)
- {
- validationFailureIndex = 0;
-
- int len = val.Length;
- if (len < 2)
- {
- return false;
- }
-
- char current = val[0];
- for (int idx = 1; idx < len; idx++)
- {
- char next = val[idx];
-
- // See http://secunia.com/advisories/14325
- if (current == '<' || current == '\xff1c')
- {
- if (next == '!' || next < ' '
- || (next >= 'a' && next <= 'z')
- || (next >= 'A' && next <= 'Z'))
- {
- validationFailureIndex = idx - 1;
- return true;
- }
- }
- else if (current == '&' && next == '#')
- {
- validationFailureIndex = idx - 1;
- return true;
- }
-
- current = next;
- }
-
- return false;
- }
-
- private bool IsContentType(string ct)
- {
- if (ContentType == null)
- {
- return false;
- }
-
- return ContentType.StartsWith(ct, StringComparison.OrdinalIgnoreCase);
- }
-
- private async Task LoadWwwForm(WebROCollection form)
- {
- using (var input = InputStream)
- {
- using (var ms = new MemoryStream())
- {
- await input.CopyToAsync(ms).ConfigureAwait(false);
- ms.Position = 0;
-
- using (var s = new StreamReader(ms, ContentEncoding))
- {
- var key = new StringBuilder();
- var value = new StringBuilder();
- int c;
-
- while ((c = s.Read()) != -1)
- {
- if (c == '=')
- {
- value.Length = 0;
- while ((c = s.Read()) != -1)
- {
- if (c == '&')
- {
- AddRawKeyValue(form, key, value);
- break;
- }
- else
- {
- value.Append((char)c);
- }
- }
-
- if (c == -1)
- {
- AddRawKeyValue(form, key, value);
- return;
- }
- }
- else if (c == '&')
- {
- AddRawKeyValue(form, key, value);
- }
- else
- {
- key.Append((char)c);
- }
- }
-
- if (c == -1)
- {
- AddRawKeyValue(form, key, value);
- }
- }
- }
- }
- }
-
- private static void AddRawKeyValue(WebROCollection form, StringBuilder key, StringBuilder value)
- {
- form.Add(WebUtility.UrlDecode(key.ToString()), WebUtility.UrlDecode(value.ToString()));
-
- key.Length = 0;
- value.Length = 0;
- }
-
- private Dictionary<string, HttpPostedFile> files;
-
- private class WebROCollection : QueryParamCollection
- {
- public override string ToString()
- {
- var result = new StringBuilder();
- foreach (var pair in this)
- {
- if (result.Length > 0)
- {
- result.Append('&');
- }
-
- var key = pair.Name;
- if (key != null && key.Length > 0)
- {
- result.Append(key);
- result.Append('=');
- }
-
- result.Append(pair.Value);
- }
-
- return result.ToString();
- }
- }
- private class HttpMultipart
- {
-
- public class Element
- {
- public string ContentType { get; set; }
-
- public string Name { get; set; }
-
- public string Filename { get; set; }
-
- public Encoding Encoding { get; set; }
-
- public long Start { get; set; }
-
- public long Length { get; set; }
-
- public override string ToString()
- {
- return "ContentType " + ContentType + ", Name " + Name + ", Filename " + Filename + ", Start " +
- Start.ToString(CultureInfo.CurrentCulture) + ", Length " + Length.ToString(CultureInfo.CurrentCulture);
- }
- }
-
- private const byte LF = (byte)'\n';
-
- private const byte CR = (byte)'\r';
-
- private Stream data;
-
- private string boundary;
-
- private byte[] boundaryBytes;
-
- private byte[] buffer;
-
- private bool atEof;
-
- private Encoding encoding;
-
- private StringBuilder sb;
-
- // See RFC 2046
- // In the case of multipart entities, in which one or more different
- // sets of data are combined in a single body, a "multipart" media type
- // field must appear in the entity's header. The body must then contain
- // one or more body parts, each preceded by a boundary delimiter line,
- // and the last one followed by a closing boundary delimiter line.
- // After its boundary delimiter line, each body part then consists of a
- // header area, a blank line, and a body area. Thus a body part is
- // similar to an RFC 822 message in syntax, but different in meaning.
-
- public HttpMultipart(Stream data, string b, Encoding encoding)
- {
- this.data = data;
- boundary = b;
- boundaryBytes = encoding.GetBytes(b);
- buffer = new byte[boundaryBytes.Length + 2]; // CRLF or '--'
- this.encoding = encoding;
- sb = new StringBuilder();
- }
-
- public Element ReadNextElement()
- {
- if (atEof || ReadBoundary())
- {
- return null;
- }
-
- var elem = new Element();
- ReadOnlySpan<char> header;
- while ((header = ReadHeaders().AsSpan()) != null)
- {
- if (header.StartsWith("Content-Disposition:".AsSpan(), StringComparison.OrdinalIgnoreCase))
- {
- elem.Name = GetContentDispositionAttribute(header, "name");
- elem.Filename = StripPath(GetContentDispositionAttributeWithEncoding(header, "filename"));
- }
- else if (header.StartsWith("Content-Type:".AsSpan(), StringComparison.OrdinalIgnoreCase))
- {
- elem.ContentType = header.Slice("Content-Type:".Length).Trim().ToString();
- elem.Encoding = GetEncoding(elem.ContentType);
- }
- }
-
- long start = data.Position;
- elem.Start = start;
- long pos = MoveToNextBoundary();
- if (pos == -1)
- {
- return null;
- }
-
- elem.Length = pos - start;
- return elem;
- }
-
- private string ReadLine()
- {
- // CRLF or LF are ok as line endings.
- bool got_cr = false;
- int b = 0;
- sb.Length = 0;
- while (true)
- {
- b = data.ReadByte();
- if (b == -1)
- {
- return null;
- }
-
- if (b == LF)
- {
- break;
- }
-
- got_cr = b == CR;
- sb.Append((char)b);
- }
-
- if (got_cr)
- {
- sb.Length--;
- }
-
- return sb.ToString();
- }
-
- private static string GetContentDispositionAttribute(ReadOnlySpan<char> l, string name)
- {
- int idx = l.IndexOf((name + "=\"").AsSpan(), StringComparison.Ordinal);
- if (idx < 0)
- {
- return null;
- }
-
- int begin = idx + name.Length + "=\"".Length;
- int end = l.Slice(begin).IndexOf('"');
- if (end < 0)
- {
- return null;
- }
-
- if (begin == end)
- {
- return string.Empty;
- }
-
- return l.Slice(begin, end - begin).ToString();
- }
-
- private string GetContentDispositionAttributeWithEncoding(ReadOnlySpan<char> l, string name)
- {
- int idx = l.IndexOf((name + "=\"").AsSpan(), StringComparison.Ordinal);
- if (idx < 0)
- {
- return null;
- }
-
- int begin = idx + name.Length + "=\"".Length;
- int end = l.Slice(begin).IndexOf('"');
- if (end < 0)
- {
- return null;
- }
-
- if (begin == end)
- {
- return string.Empty;
- }
-
- ReadOnlySpan<char> temp = l.Slice(begin, end - begin);
- byte[] source = new byte[temp.Length];
- for (int i = temp.Length - 1; i >= 0; i--)
- {
- source[i] = (byte)temp[i];
- }
-
- return encoding.GetString(source, 0, source.Length);
- }
-
- private bool ReadBoundary()
- {
- try
- {
- string line;
- do
- {
- line = ReadLine();
- }
- while (line.Length == 0);
-
- if (line[0] != '-' || line[1] != '-')
- {
- return false;
- }
-
- if (!line.EndsWith(boundary, StringComparison.Ordinal))
- {
- return true;
- }
- }
- catch
- {
-
- }
-
- return false;
- }
-
- private string ReadHeaders()
- {
- string s = ReadLine();
- if (s.Length == 0)
- {
- return null;
- }
-
- return s;
- }
-
- private static bool CompareBytes(byte[] orig, byte[] other)
- {
- for (int i = orig.Length - 1; i >= 0; i--)
- {
- if (orig[i] != other[i])
- {
- return false;
- }
- }
-
- return true;
- }
-
- private long MoveToNextBoundary()
- {
- long retval = 0;
- bool got_cr = false;
-
- int state = 0;
- int c = data.ReadByte();
- while (true)
- {
- if (c == -1)
- {
- return -1;
- }
-
- if (state == 0 && c == LF)
- {
- retval = data.Position - 1;
- if (got_cr)
- {
- retval--;
- }
-
- state = 1;
- c = data.ReadByte();
- }
- else if (state == 0)
- {
- got_cr = c == CR;
- c = data.ReadByte();
- }
- else if (state == 1 && c == '-')
- {
- c = data.ReadByte();
- if (c == -1)
- {
- return -1;
- }
-
- if (c != '-')
- {
- state = 0;
- got_cr = false;
- continue; // no ReadByte() here
- }
-
- int nread = data.Read(buffer, 0, buffer.Length);
- int bl = buffer.Length;
- if (nread != bl)
- {
- return -1;
- }
-
- if (!CompareBytes(boundaryBytes, buffer))
- {
- state = 0;
- data.Position = retval + 2;
- if (got_cr)
- {
- data.Position++;
- got_cr = false;
- }
-
- c = data.ReadByte();
- continue;
- }
-
- if (buffer[bl - 2] == '-' && buffer[bl - 1] == '-')
- {
- atEof = true;
- }
- else if (buffer[bl - 2] != CR || buffer[bl - 1] != LF)
- {
- state = 0;
- data.Position = retval + 2;
- if (got_cr)
- {
- data.Position++;
- got_cr = false;
- }
-
- c = data.ReadByte();
- continue;
- }
-
- data.Position = retval + 2;
- if (got_cr)
- {
- data.Position++;
- }
-
- break;
- }
- else
- {
- // state == 1
- state = 0; // no ReadByte() here
- }
- }
-
- return retval;
- }
-
- private static string StripPath(string path)
- {
- if (path == null || path.Length == 0)
- {
- return path;
- }
-
- if (path.IndexOf(":\\", StringComparison.Ordinal) != 1
- && !path.StartsWith("\\\\", StringComparison.Ordinal))
- {
- return path;
- }
-
- return path.Substring(path.LastIndexOf('\\') + 1);
- }
- }
- }
-}