diff options
| author | Claus Vium <clausvium@gmail.com> | 2019-02-21 10:07:21 +0100 |
|---|---|---|
| committer | Claus Vium <clausvium@gmail.com> | 2019-02-26 22:11:21 +0100 |
| commit | 4db31acff940dc9cabbd39649103faf4dc2e2c47 (patch) | |
| tree | 4472b2330124f2bfea3f9dcdfcd5508cedd84570 /SocketHttpListener/Net/WebSockets/WebSocketValidate.cs | |
| parent | 968e282c907f57d7998b6435cadae2f0a5ec832c (diff) | |
Begin removing System.Net sources
Diffstat (limited to 'SocketHttpListener/Net/WebSockets/WebSocketValidate.cs')
| -rw-r--r-- | SocketHttpListener/Net/WebSockets/WebSocketValidate.cs | 141 |
1 files changed, 0 insertions, 141 deletions
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)); - } - } - } -} |
