private static HttpRequestMessage CreateHttpRequestMessage( string uriScheme, HttpUnsortedRequest httpRequest, Stream contentStream, int rewind ) { Contract.Assert(uriScheme != null, "URI scheme must be non null"); Contract.Assert(httpRequest != null, "httpRequest must be non null"); Contract.Assert(contentStream != null, "contentStream must be non null"); HttpRequestMessage httpRequestMessage = new HttpRequestMessage(); // Set method, requestURI, and version httpRequestMessage.Method = httpRequest.Method; httpRequestMessage.RequestUri = CreateRequestUri(uriScheme, httpRequest); httpRequestMessage.Version = httpRequest.Version; // Set the header fields and content if any httpRequestMessage.Content = CreateHeaderFields( httpRequest.HttpHeaders, httpRequestMessage.Headers, contentStream, rewind ); return(httpRequestMessage); }
/// <summary> /// Creates the request URI by combining scheme (provided) with parsed values of /// host and path. /// </summary> /// <param name="uriScheme">The URI scheme to use for the request URI.</param> /// <param name="httpRequest">The unsorted HTTP request.</param> /// <returns>A fully qualified request URI.</returns> private static Uri CreateRequestUri(string uriScheme, HttpUnsortedRequest httpRequest) { Contract.Assert(httpRequest != null, "httpRequest cannot be null."); Contract.Assert(uriScheme != null, "uriScheme cannot be null"); IEnumerable <string> hostValues; if (httpRequest.HttpHeaders.TryGetValues(FormattingUtilities.HttpHostHeader, out hostValues)) { int hostCount = hostValues.Count(); if (hostCount != 1) { throw Error.InvalidOperation(Properties.Resources.HttpMessageParserInvalidHostCount, FormattingUtilities.HttpHostHeader, hostCount); } } else { throw Error.InvalidOperation(Properties.Resources.HttpMessageParserInvalidHostCount, FormattingUtilities.HttpHostHeader, 0); } // We don't use UriBuilder as hostValues.ElementAt(0) contains 'host:port' and UriBuilder needs these split out into separate host and port. string requestUri = String.Format(CultureInfo.InvariantCulture, "{0}://{1}{2}", uriScheme, hostValues.ElementAt(0), httpRequest.RequestUri); return(new Uri(requestUri)); }
private static async Task <HttpRequestMessage> ReadAsHttpRequestMessageAsyncCore(this HttpContent content, string uriScheme, int bufferSize, int maxHeaderSize, CancellationToken cancellationToken) { cancellationToken.ThrowIfCancellationRequested(); Stream stream = await content.ReadAsStreamAsync(); HttpUnsortedRequest httpRequest = new HttpUnsortedRequest(); HttpRequestHeaderParser parser = new HttpRequestHeaderParser(httpRequest, HttpRequestHeaderParser.DefaultMaxRequestLineSize, maxHeaderSize); ParserState parseStatus; byte[] buffer = new byte[bufferSize]; int bytesRead = 0; int headerConsumed = 0; while (true) { try { bytesRead = await stream.ReadAsync(buffer, 0, buffer.Length, cancellationToken); } catch (Exception e) { throw new IOException(Properties.Resources.HttpMessageErrorReading, e); } try { parseStatus = parser.ParseBuffer(buffer, bytesRead, ref headerConsumed); } catch (Exception) { parseStatus = ParserState.Invalid; } if (parseStatus == ParserState.Done) { return(CreateHttpRequestMessage(uriScheme, httpRequest, stream, bytesRead - headerConsumed)); } else if (parseStatus != ParserState.NeedMoreData) { throw Error.InvalidOperation(Properties.Resources.HttpMessageParserError, headerConsumed, buffer); } else if (bytesRead == 0) { throw new IOException(Properties.Resources.ReadAsHttpMessageUnexpectedTermination); } } }
/// <summary> /// Initializes a new instance of the <see cref="HttpRequestHeaderParser"/> class. /// </summary> /// <param name="httpRequest">The parsed HTTP request without any header sorting.</param> /// <param name="maxRequestLineSize">The max length of the HTTP request line.</param> /// <param name="maxHeaderSize">The max length of the HTTP header.</param> public HttpRequestHeaderParser(HttpUnsortedRequest httpRequest, int maxRequestLineSize, int maxHeaderSize) { if (httpRequest == null) { throw Error.ArgumentNull("httpRequest"); } this._httpRequest = httpRequest; // Create request line parser this._requestLineParser = new HttpRequestLineParser(this._httpRequest, maxRequestLineSize); // Create header parser this._headerParser = new InternetMessageFormatHeaderParser(this._httpRequest.HttpHeaders, maxHeaderSize); }
/// <summary> /// Initializes a new instance of the <see cref="HttpRequestLineParser"/> class. /// </summary> /// <param name="httpRequest"><see cref="HttpUnsortedRequest"/> instance where the request line properties will be set as they are parsed.</param> /// <param name="maxRequestLineSize">Maximum length of HTTP header.</param> public HttpRequestLineParser(HttpUnsortedRequest httpRequest, int maxRequestLineSize) { // The minimum length which would be an empty header terminated by CRLF if (maxRequestLineSize < MinRequestLineSize) { throw Error.ArgumentMustBeGreaterThanOrEqualTo("maxRequestLineSize", maxRequestLineSize, MinRequestLineSize); } if (httpRequest == null) { throw Error.ArgumentNull("httpRequest"); } this._httpRequest = httpRequest; this._maximumHeaderLength = maxRequestLineSize; }
private static HttpRequestMessage CreateHttpRequestMessage(HttpUnsortedRequest httpRequest, Stream contentStream, int rewind) { Contract.Assert(httpRequest != null, "httpRequest must be non null"); Contract.Assert(contentStream != null, "contentStream must be non null"); HttpRequestMessage httpRequestMessage = new HttpRequestMessage(); // Set method, requestURI, and version httpRequestMessage.Method = httpRequest.Method; httpRequestMessage.RequestUri = CreateRequestUri(httpRequest); httpRequestMessage.Version = httpRequest.Version; // Set the header fields and content if any httpRequestMessage.Content = CreateHeaderFields(httpRequest.HttpHeaders, httpRequestMessage.Headers, contentStream, rewind); return httpRequestMessage; }
public static async Task<HttpRequestMessage> ReadAsBatchHttpRequestMessageAsync(this HttpContent content) { Stream stream = await content.ReadAsStreamAsync(); HttpUnsortedRequest httpRequest = new HttpUnsortedRequest(); HttpRequestHeaderParser parser = new HttpRequestHeaderParser(httpRequest, HttpRequestHeaderParser.DefaultMaxRequestLineSize, HttpRequestHeaderParser.DefaultMaxHeaderSize); ParserState parseStatus; byte[] buffer = new byte[DefaultBufferSize]; int bytesRead = 0; int headerConsumed = 0; while (true) { try { bytesRead = stream.Read(buffer, 0, buffer.Length); } catch (Exception e) { throw new IOException(Properties.Resources.HttpMessageErrorReading, e); } try { parseStatus = parser.ParseBuffer(buffer, bytesRead, ref headerConsumed); } catch (Exception) { parseStatus = ParserState.Invalid; } if (parseStatus == ParserState.Done) { return CreateHttpRequestMessage(httpRequest, stream, bytesRead - headerConsumed); } else if (parseStatus != ParserState.NeedMoreData) { throw Error.InvalidOperation(Properties.Resources.HttpMessageParserError, headerConsumed, buffer); } else if (bytesRead == 0) { throw new IOException(Properties.Resources.ReadAsHttpMessageUnexpectedTermination); } } }
public static Task <HttpRequestMessage> ReadAsHttpRequestMessageAsync(this HttpContent content, string uriScheme, int bufferSize, int maxHeaderSize) { if (content == null) { throw Error.ArgumentNull("content"); } if (uriScheme == null) { throw Error.ArgumentNull("uriScheme"); } if (!Uri.CheckSchemeName(uriScheme)) { throw Error.Argument("uriScheme", Properties.Resources.HttpMessageParserInvalidUriScheme, uriScheme, typeof(Uri).Name); } if (bufferSize < MinBufferSize) { throw Error.ArgumentMustBeGreaterThanOrEqualTo("bufferSize", bufferSize, MinBufferSize); } if (maxHeaderSize < InternetMessageFormatHeaderParser.MinHeaderSize) { throw Error.ArgumentMustBeGreaterThanOrEqualTo("maxHeaderSize", maxHeaderSize, InternetMessageFormatHeaderParser.MinHeaderSize); } HttpMessageContent.ValidateHttpMessageContent(content, true, true); return(content.ReadAsStreamAsync().Then(stream => { HttpUnsortedRequest httpRequest = new HttpUnsortedRequest(); HttpRequestHeaderParser parser = new HttpRequestHeaderParser(httpRequest, HttpRequestHeaderParser.DefaultMaxRequestLineSize, maxHeaderSize); ParserState parseStatus; byte[] buffer = new byte[bufferSize]; int bytesRead = 0; int headerConsumed = 0; while (true) { try { bytesRead = stream.Read(buffer, 0, buffer.Length); } catch (Exception e) { throw new IOException(Properties.Resources.HttpMessageErrorReading, e); } try { parseStatus = parser.ParseBuffer(buffer, bytesRead, ref headerConsumed); } catch (Exception) { parseStatus = ParserState.Invalid; } if (parseStatus == ParserState.Done) { return CreateHttpRequestMessage(uriScheme, httpRequest, stream, bytesRead - headerConsumed); } else if (parseStatus != ParserState.NeedMoreData) { throw Error.InvalidOperation(Properties.Resources.HttpMessageParserError, headerConsumed, buffer); } } })); }
/// <summary> /// Creates the request URI by combining scheme (provided) with parsed values of /// host and path. /// </summary> /// <param name="uriScheme">The URI scheme to use for the request URI.</param> /// <param name="httpRequest">The unsorted HTTP request.</param> /// <returns>A fully qualified request URI.</returns> private static Uri CreateRequestUri(string uriScheme, HttpUnsortedRequest httpRequest) { Contract.Assert(httpRequest != null, "httpRequest cannot be null."); Contract.Assert(uriScheme != null, "uriScheme cannot be null"); IEnumerable<string> hostValues; if (httpRequest.HttpHeaders.TryGetValues(FormattingUtilities.HttpHostHeader, out hostValues)) { int hostCount = hostValues.Count(); if (hostCount != 1) { throw Error.InvalidOperation(Properties.Resources.HttpMessageParserInvalidHostCount, FormattingUtilities.HttpHostHeader, hostCount); } } else { throw Error.InvalidOperation(Properties.Resources.HttpMessageParserInvalidHostCount, FormattingUtilities.HttpHostHeader, 0); } // We don't use UriBuilder as hostValues.ElementAt(0) contains 'host:port' and UriBuilder needs these split out into separate host and port. string requestUri = String.Format(CultureInfo.InvariantCulture, "{0}://{1}{2}", uriScheme, hostValues.ElementAt(0), httpRequest.RequestUri); return new Uri(requestUri); }
/// <summary> /// Initializes a new instance of the <see cref="HttpRequestHeaderParser"/> class. /// </summary> /// <param name="httpRequest">The parsed HTTP request without any header sorting.</param> public HttpRequestHeaderParser(HttpUnsortedRequest httpRequest) : this(httpRequest, DefaultMaxRequestLineSize, DefaultMaxHeaderSize) { }
public void Constructor_InitializesHeaders() { HttpUnsortedRequest request = new HttpUnsortedRequest(); Assert.IsType<HttpUnsortedHeaders>(request.HttpHeaders); }
public void Constructor_InitializesHeaders() { HttpUnsortedRequest request = new HttpUnsortedRequest(); Assert.IsType <HttpUnsortedHeaders>(request.HttpHeaders); }
public static Task<HttpRequestMessage> ReadAsHttpRequestMessageAsync(this HttpContent content, string uriScheme, int bufferSize) { if (content == null) { throw new ArgumentNullException("content"); } if (uriScheme == null) { throw new ArgumentNullException("uriScheme"); } if (!Uri.CheckSchemeName(uriScheme)) { throw new ArgumentException(RS.Format(Properties.Resources.HttpMessageParserInvalidUriScheme, uriScheme, typeof(Uri).Name), "uriScheme"); } if (bufferSize < MinBufferSize) { throw new ArgumentOutOfRangeException("bufferSize", bufferSize, RS.Format(Properties.Resources.ArgumentMustBeGreaterThanOrEqualTo, MinBufferSize)); } HttpMessageContent.ValidateHttpMessageContent(content, true, true); return content.ReadAsStreamAsync().Then(stream => { HttpUnsortedRequest httpRequest = new HttpUnsortedRequest(); HttpRequestHeaderParser parser = new HttpRequestHeaderParser(httpRequest); ParserState parseStatus; byte[] buffer = new byte[bufferSize]; int bytesRead = 0; int headerConsumed = 0; while (true) { try { bytesRead = stream.Read(buffer, 0, buffer.Length); } catch (Exception e) { throw new IOException(Properties.Resources.HttpMessageErrorReading, e); } try { parseStatus = parser.ParseBuffer(buffer, bytesRead, ref headerConsumed); } catch (Exception) { parseStatus = ParserState.Invalid; } if (parseStatus == ParserState.Done) { return CreateHttpRequestMessage(uriScheme, httpRequest, stream, bytesRead - headerConsumed); } else if (parseStatus != ParserState.NeedMoreData) { throw new IOException(RS.Format(Properties.Resources.HttpMessageParserError, headerConsumed, buffer)); } } }); }
private static Uri CreateRequestUri(HttpUnsortedRequest httpRequest) { Contract.Assert(httpRequest != null, "httpRequest cannot be null."); // We don't use UriBuilder as hostValues.ElementAt(0) contains 'host:port' and UriBuilder needs these split out into separate host and port. string requestUri = String.Format(CultureInfo.InvariantCulture, "http://localhost{0}", httpRequest.RequestUri); return new Uri(requestUri); }
private static ParserState ParseRequestLine( byte[] buffer, int bytesReady, ref int bytesConsumed, ref HttpRequestLineState requestLineState, int maximumHeaderLength, ref int totalBytesConsumed, StringBuilder currentToken, HttpUnsortedRequest httpRequest) { Contract.Assert((bytesReady - bytesConsumed) >= 0, "ParseRequestLine()|(bytesReady - bytesConsumed) < 0"); Contract.Assert(maximumHeaderLength <= 0 || totalBytesConsumed <= maximumHeaderLength, "ParseRequestLine()|Headers already read exceeds limit."); // Remember where we started. int initialBytesParsed = bytesConsumed; int segmentStart; // Set up parsing status with what will happen if we exceed the buffer. ParserState parseStatus = ParserState.DataTooBig; int effectiveMax = maximumHeaderLength <= 0 ? Int32.MaxValue : (maximumHeaderLength - totalBytesConsumed + bytesConsumed); if (bytesReady < effectiveMax) { parseStatus = ParserState.NeedMoreData; effectiveMax = bytesReady; } Contract.Assert(bytesConsumed < effectiveMax, "We have already consumed more than the max header length."); switch (requestLineState) { case HttpRequestLineState.RequestMethod: segmentStart = bytesConsumed; while (buffer[bytesConsumed] != ' ') { if (buffer[bytesConsumed] < 0x21 || buffer[bytesConsumed] > 0x7a) { parseStatus = ParserState.Invalid; goto quit; } if (++bytesConsumed == effectiveMax) { string method = Encoding.UTF8.GetString(buffer, segmentStart, bytesConsumed - segmentStart); currentToken.Append(method); goto quit; } } if (bytesConsumed > segmentStart) { string method = Encoding.UTF8.GetString(buffer, segmentStart, bytesConsumed - segmentStart); currentToken.Append(method); } // Copy value out httpRequest.Method = new HttpMethod(currentToken.ToString()); currentToken.Clear(); // Move past the SP requestLineState = HttpRequestLineState.RequestUri; if (++bytesConsumed == effectiveMax) { goto quit; } goto case HttpRequestLineState.RequestUri; case HttpRequestLineState.RequestUri: segmentStart = bytesConsumed; while (buffer[bytesConsumed] != ' ') { if (buffer[bytesConsumed] == '\r') { parseStatus = ParserState.Invalid; goto quit; } if (++bytesConsumed == effectiveMax) { string addr = Encoding.UTF8.GetString(buffer, segmentStart, bytesConsumed - segmentStart); currentToken.Append(addr); goto quit; } } if (bytesConsumed > segmentStart) { string addr = Encoding.UTF8.GetString(buffer, segmentStart, bytesConsumed - segmentStart); currentToken.Append(addr); } // URI validation happens when we create the URI later. if (currentToken.Length == 0) { throw new FormatException(Resources.HttpMessageParserEmptyUri); } // Copy value out httpRequest.RequestUri = currentToken.ToString(); currentToken.Clear(); // Move past the SP requestLineState = HttpRequestLineState.BeforeVersionNumbers; if (++bytesConsumed == effectiveMax) { goto quit; } goto case HttpRequestLineState.BeforeVersionNumbers; case HttpRequestLineState.BeforeVersionNumbers: segmentStart = bytesConsumed; while (buffer[bytesConsumed] != '/') { if (buffer[bytesConsumed] < 0x21 || buffer[bytesConsumed] > 0x7a) { parseStatus = ParserState.Invalid; goto quit; } if (++bytesConsumed == effectiveMax) { string token = Encoding.UTF8.GetString(buffer, segmentStart, bytesConsumed - segmentStart); currentToken.Append(token); goto quit; } } if (bytesConsumed > segmentStart) { string token = Encoding.UTF8.GetString(buffer, segmentStart, bytesConsumed - segmentStart); currentToken.Append(token); } // Validate value string version = currentToken.ToString(); if (String.CompareOrdinal(FormattingUtilities.HttpVersionToken, version) != 0) { throw new FormatException(Error.Format(Resources.HttpInvalidVersion, version, FormattingUtilities.HttpVersionToken)); } currentToken.Clear(); // Move past the '/' requestLineState = HttpRequestLineState.MajorVersionNumber; if (++bytesConsumed == effectiveMax) { goto quit; } goto case HttpRequestLineState.MajorVersionNumber; case HttpRequestLineState.MajorVersionNumber: segmentStart = bytesConsumed; while (buffer[bytesConsumed] != '.') { if (buffer[bytesConsumed] < '0' || buffer[bytesConsumed] > '9') { parseStatus = ParserState.Invalid; goto quit; } if (++bytesConsumed == effectiveMax) { string major = Encoding.UTF8.GetString(buffer, segmentStart, bytesConsumed - segmentStart); currentToken.Append(major); goto quit; } } if (bytesConsumed > segmentStart) { string major = Encoding.UTF8.GetString(buffer, segmentStart, bytesConsumed - segmentStart); currentToken.Append(major); } // Move past the "." currentToken.Append('.'); requestLineState = HttpRequestLineState.MinorVersionNumber; if (++bytesConsumed == effectiveMax) { goto quit; } goto case HttpRequestLineState.MinorVersionNumber; case HttpRequestLineState.MinorVersionNumber: segmentStart = bytesConsumed; while (buffer[bytesConsumed] != '\r') { if (buffer[bytesConsumed] < '0' || buffer[bytesConsumed] > '9') { parseStatus = ParserState.Invalid; goto quit; } if (++bytesConsumed == effectiveMax) { string minor = Encoding.UTF8.GetString(buffer, segmentStart, bytesConsumed - segmentStart); currentToken.Append(minor); goto quit; } } if (bytesConsumed > segmentStart) { string minor = Encoding.UTF8.GetString(buffer, segmentStart, bytesConsumed - segmentStart); currentToken.Append(minor); } // Copy out value httpRequest.Version = Version.Parse(currentToken.ToString()); currentToken.Clear(); // Move past the CR requestLineState = HttpRequestLineState.AfterCarriageReturn; if (++bytesConsumed == effectiveMax) { goto quit; } goto case HttpRequestLineState.AfterCarriageReturn; case HttpRequestLineState.AfterCarriageReturn: if (buffer[bytesConsumed] != '\n') { parseStatus = ParserState.Invalid; goto quit; } parseStatus = ParserState.Done; bytesConsumed++; break; } quit: totalBytesConsumed += bytesConsumed - initialBytesParsed; return parseStatus; }