private ODataBatchOperationHeaders ValidatePartHeaders(ODataBatchOperationHeaders headers, out bool isChangeSetPart) { string str; if (!headers.TryGetValue("Content-Type", out str)) { throw new ODataException(Strings.ODataBatchReaderStream_MissingContentTypeHeader); } if (MediaTypeUtils.MediaTypeAndSubtypeAreEqual(str, "application/http")) { string str2; isChangeSetPart = false; if (!headers.TryGetValue("Content-Transfer-Encoding", out str2) || (string.Compare(str2, "binary", StringComparison.OrdinalIgnoreCase) != 0)) { throw new ODataException(Strings.ODataBatchReaderStream_MissingOrInvalidContentEncodingHeader("Content-Transfer-Encoding", "binary")); } return(headers); } if (!MediaTypeUtils.MediaTypeStartsWithTypeAndSubtype(str, "multipart/mixed")) { throw new ODataException(Strings.ODataBatchReaderStream_InvalidContentTypeSpecified("Content-Type", str, "multipart/mixed", "application/http")); } isChangeSetPart = true; if (this.changesetBoundary != null) { throw new ODataException(Strings.ODataBatchReaderStream_NestedChangesetsAreNotSupported); } return(headers); }
/// <summary> /// Reads the headers of a part. /// </summary> /// <returns>true if the start of a changeset part was detected; otherwise false.</returns> internal bool ProcessPartHeader() { DebugUtils.CheckNoExternalCallers(); Debug.Assert(this.batchEncoding != null, "Batch encoding should have been established on first call to SkipToBoundary."); bool isChangeSetPart; ODataBatchOperationHeaders headers = this.ReadPartHeaders(out isChangeSetPart); if (isChangeSetPart) { // determine the changeset boundary and the changeset encoding from the content type header this.DetermineChangesetBoundaryAndEncoding(headers[ODataConstants.ContentTypeHeader]); if (this.changesetEncoding == null) { // NOTE: No changeset encoding was specified in the changeset's content type header. // Determine the changeset encoding from the first bytes in the changeset. // NOTE: We do not have to skip over the potential preamble of the encoding // because the batch reader will skip over everything (incl. the preamble) // until it finds the first changeset (or batch) boundary this.changesetEncoding = this.DetectEncoding(); } // Verify that we only allow single byte encodings and UTF-8 for now. ReaderValidationUtils.ValidateEncodingSupportedInBatch(this.changesetEncoding); } return(isChangeSetPart); }
/// <summary> /// Returns the cached <see cref="ODataBatchOperationRequestMessage"/> for reading the content of an operation /// in a batch request. /// </summary> /// <returns>The message that can be used to read the content of the batch request operation from.</returns> private ODataBatchOperationResponseMessage CreateOperationResponseMessageImplementation() { this.operationState = OperationState.MessageCreated; string responseLine = this.batchStream.ReadFirstNonEmptyLine(); int statusCode = this.ParseResponseLine(responseLine); // Read all headers and create the response message ODataBatchOperationHeaders headers = this.batchStream.ReadHeaders(); // In responses we don't need to use our batch URL resolver, since there are no cross referencing URLs // so use the URL resolver from the batch message instead. ODataBatchOperationResponseMessage responseMessage = ODataBatchOperationResponseMessage.CreateReadMessage( this.batchStream, statusCode, headers, /*operationListener*/ this, this.urlResolver.BatchMessageUrlResolver); //// NOTE: Content-IDs for cross referencing are only supported in request messages; in responses //// we allow a Content-ID header but don't process it (i.e., don't add the content ID to the URL resolver). return(responseMessage); }
private ODataBatchOperationRequestMessage CreateOperationRequestMessageImplementation() { string str2; Uri uri; string str3; this.operationState = OperationState.MessageCreated; string requestLine = this.batchStream.ReadLine(); while (requestLine.Length == 0) { requestLine = this.batchStream.ReadLine(); } this.ParseRequestLine(requestLine, out str2, out uri); ODataBatchOperationHeaders headers = this.batchStream.ReadHeaders(); ODataBatchOperationRequestMessage message = ODataBatchOperationRequestMessage.CreateReadMessage(this.batchStream, str2, uri, headers, this, this.urlResolver); if (headers.TryGetValue("Content-ID", out str3)) { if ((str3 != null) && this.urlResolver.ContainsContentId(str3)) { throw new ODataException(Strings.ODataBatchReader_DuplicateContentIDsNotAllowed(str3)); } this.contentIdToAddOnNextRead = str3; } return(message); }
/// <summary> /// Creates a batch operation stream from the specified batch stream. /// </summary> /// <param name="batchReaderStream">The batch stream to create the operation read stream for.</param> /// <param name="headers">The headers of the current part; based on the header we create different, optimized stream implementations.</param> /// <param name="operationListener">The operation listener to be passed to the newly created read stream.</param> /// <returns>A new <see cref="ODataBatchOperationReadStream"/> instance.</returns> internal static ODataBatchOperationReadStream CreateBatchOperationReadStream( ODataBatchReaderStream batchReaderStream, ODataBatchOperationHeaders headers, IODataBatchOperationListener operationListener) { DebugUtils.CheckNoExternalCallers(); Debug.Assert(batchReaderStream != null, "batchReaderStream != null"); Debug.Assert(operationListener != null, "operationListener != null"); // See whether we have a Content-Length header string contentLengthValue; if (headers.TryGetValue(ODataConstants.ContentLengthHeader, out contentLengthValue)) { int length = Int32.Parse(contentLengthValue, CultureInfo.InvariantCulture); if (length < 0) { throw new ODataException(Strings.ODataBatchReaderStream_InvalidContentLengthSpecified(contentLengthValue)); } return(ODataBatchOperationReadStream.Create(batchReaderStream, operationListener, length)); } return(ODataBatchOperationReadStream.Create(batchReaderStream, operationListener)); }
internal ODataBatchOperationMessage(Func <Stream> contentStreamCreatorFunc, ODataBatchOperationHeaders headers, IODataBatchOperationListener operationListener, IODataUrlResolver urlResolver, bool writing) : base(writing, false, -1L) { this.contentStreamCreatorFunc = contentStreamCreatorFunc; this.operationListener = operationListener; this.headers = headers; this.urlResolver = urlResolver; }
/// <summary> /// Reads the headers of a batch part or an operation. /// </summary> /// <returns>A dictionary of header names to header values; never null.</returns> internal ODataBatchOperationHeaders ReadHeaders() { DebugUtils.CheckNoExternalCallers(); Debug.Assert(this.batchEncoding != null, "Batch encoding should have been established on first call to SkipToBoundary."); ODataBatchOperationHeaders headers = new ODataBatchOperationHeaders(); // Read all the headers string headerLine = this.ReadLine(); while (headerLine != null && headerLine.Length > 0) { string headerName, headerValue; ValidateHeaderLine(headerLine, out headerName, out headerValue); if (headers.ContainsKeyOrdinal(headerName)) { throw new ODataException(Strings.ODataBatchReaderStream_DuplicateHeaderFound(headerName)); } headers.Add(headerName, headerValue); headerLine = this.ReadLine(); } return(headers); }
/// <summary> /// Constructor. /// </summary> /// <param name="contentStreamCreatorFunc">A function to retrieve the content stream for this batch operation message.</param> /// <param name="headers">The headers of the batch operation message.</param> /// <param name="operationListener">Listener interface to be notified of part changes.</param> /// <param name="urlResolver">The optional URL resolver to perform custom URL resolution for URLs written to the payload.</param> /// <param name="writing">true if the request message is being written; false when it is read.</param> private ODataBatchOperationResponseMessage( Func <Stream> contentStreamCreatorFunc, ODataBatchOperationHeaders headers, IODataBatchOperationListener operationListener, IODataUrlResolver urlResolver, bool writing) { Debug.Assert(contentStreamCreatorFunc != null, "contentStreamCreatorFunc != null"); Debug.Assert(operationListener != null, "operationListener != null"); this.message = new ODataBatchOperationMessage(contentStreamCreatorFunc, headers, operationListener, urlResolver, writing); }
private ODataBatchOperationResponseMessage CreateOperationResponseMessageImplementation() { this.operationState = OperationState.MessageCreated; string responseLine = this.batchStream.ReadLine(); while (responseLine.Length == 0) { responseLine = this.batchStream.ReadLine(); } int statusCode = this.ParseResponseLine(responseLine); ODataBatchOperationHeaders headers = this.batchStream.ReadHeaders(); return(ODataBatchOperationResponseMessage.CreateReadMessage(this.batchStream, statusCode, headers, this, this.urlResolver.BatchMessageUrlResolver)); }
/// <summary> /// Creates an operation request message that can be used to read the operation content from. /// </summary> /// <param name="batchReaderStream">The batch stream underyling the operation response message.</param> /// <param name="method">The HTTP method to use for the message to create.</param> /// <param name="requestUrl">The request URL for the message to create.</param> /// <param name="headers">The headers to use for the operation request message.</param> /// <param name="operationListener">The operation listener.</param> /// <param name="urlResolver">The (optional) URL resolver for the message to create.</param> /// <returns>An <see cref="ODataBatchOperationRequestMessage"/> to read the request content from.</returns> internal static ODataBatchOperationRequestMessage CreateReadMessage( ODataBatchReaderStream batchReaderStream, string method, Uri requestUrl, ODataBatchOperationHeaders headers, IODataBatchOperationListener operationListener, IODataUrlResolver urlResolver) { DebugUtils.CheckNoExternalCallers(); Debug.Assert(batchReaderStream != null, "batchReaderStream != null"); Debug.Assert(operationListener != null, "operationListener != null"); Func <Stream> streamCreatorFunc = () => ODataBatchUtils.CreateBatchOperationReadStream(batchReaderStream, headers, operationListener); return(new ODataBatchOperationRequestMessage(streamCreatorFunc, method, requestUrl, headers, operationListener, urlResolver, /*writing*/ false)); }
internal bool ProcessPartHeader() { bool flag; ODataBatchOperationHeaders headers = this.ReadPartHeaders(out flag); if (flag) { this.DetermineChangesetBoundaryAndEncoding(headers["Content-Type"]); if (this.changesetEncoding == null) { this.changesetEncoding = this.DetectEncoding(); } ReaderValidationUtils.ValidateEncodingSupportedInBatch(this.changesetEncoding); } return(flag); }
internal ODataBatchOperationHeaders ReadHeaders() { ODataBatchOperationHeaders headers = new ODataBatchOperationHeaders(); for (string str = this.ReadLine(); (str != null) && (str.Length > 0); str = this.ReadLine()) { string str2; string str3; ValidateHeaderLine(str, out str2, out str3); if (headers.ContainsKeyOrdinal(str2)) { throw new ODataException(Strings.ODataBatchReaderStream_DuplicateHeaderFound(str2)); } headers.Add(str2, str3); } return(headers); }
/// <summary> /// Constructor. Base class constructor to create a message for an operation of a batch request/response. /// </summary> /// <param name="contentStreamCreatorFunc">A function to retrieve the content stream for this batch operation message.</param> /// <param name="headers">The headers of the batch operation message.</param> /// <param name="operationListener">Listener interface to be notified of part changes.</param> /// <param name="urlResolver">The URL resolver to perform custom URL resolution for URLs read or written from/to the payload.</param> /// <param name="writing">true if the request message is being written; false when it is read.</param> internal ODataBatchOperationMessage( Func <Stream> contentStreamCreatorFunc, ODataBatchOperationHeaders headers, IODataBatchOperationListener operationListener, IODataUrlResolver urlResolver, bool writing) : base(writing, /*disableMessageStreamDisposal*/ false, /*maxMessageSize*/ -1) { DebugUtils.CheckNoExternalCallers(); Debug.Assert(contentStreamCreatorFunc != null, "contentStreamCreatorFunc != null"); Debug.Assert(operationListener != null, "operationListener != null"); this.contentStreamCreatorFunc = contentStreamCreatorFunc; this.operationListener = operationListener; this.headers = headers; this.urlResolver = urlResolver; }
/// <summary> /// Validates the headers that have been read for a part. /// </summary> /// <param name="headers">The set of headers to validate.</param> /// <param name="isChangeSetPart">true if the headers indicate a changset part; otherwise false.</param> /// <returns>The set of validated headers.</returns> /// <remarks> /// An operation part is required to have content type 'application/http' and content transfer /// encoding 'binary'. A changeset is required to have content type 'multipart/mixed'. /// Note that we allow additional headers for batch parts; clients of the library can choose /// to be more strict. /// </remarks> private ODataBatchOperationHeaders ValidatePartHeaders(ODataBatchOperationHeaders headers, out bool isChangeSetPart) { string contentType; if (!headers.TryGetValue(ODataConstants.ContentTypeHeader, out contentType)) { throw new ODataException(Strings.ODataBatchReaderStream_MissingContentTypeHeader); } if (MediaTypeUtils.MediaTypeAndSubtypeAreEqual(contentType, MimeConstants.MimeApplicationHttp)) { isChangeSetPart = false; // An operation part is required to have application/http content type and // binary content transfer encoding. string transferEncoding; if (!headers.TryGetValue(ODataConstants.ContentTransferEncoding, out transferEncoding) || string.Compare(transferEncoding, ODataConstants.BatchContentTransferEncoding, StringComparison.OrdinalIgnoreCase) != 0) { throw new ODataException(Strings.ODataBatchReaderStream_MissingOrInvalidContentEncodingHeader( ODataConstants.ContentTransferEncoding, ODataConstants.BatchContentTransferEncoding)); } } else if (MediaTypeUtils.MediaTypeStartsWithTypeAndSubtype(contentType, MimeConstants.MimeMultipartMixed)) { isChangeSetPart = true; if (this.changesetBoundary != null) { // Nested changesets are not supported throw new ODataException(Strings.ODataBatchReaderStream_NestedChangesetsAreNotSupported); } } else { throw new ODataException(Strings.ODataBatchReaderStream_InvalidContentTypeSpecified( ODataConstants.ContentTypeHeader, contentType, MimeConstants.MimeMultipartMixed, MimeConstants.MimeApplicationHttp)); } return(headers); }
/// <summary> /// Returns the cached <see cref="ODataBatchOperationRequestMessage"/> for reading the content of an operation /// in a batch request. /// </summary> /// <returns>The message that can be used to read the content of the batch request operation from.</returns> private ODataBatchOperationRequestMessage CreateOperationRequestMessageImplementation() { this.operationState = OperationState.MessageCreated; // Read and parse the request line (skip all empty lines) string requestLine = this.batchStream.ReadLine(); while (requestLine.Length == 0) { requestLine = this.batchStream.ReadLine(); } string httpMethod; Uri requestUri; this.ParseRequestLine(requestLine, out httpMethod, out requestUri); // Read all headers and create the request message ODataBatchOperationHeaders headers = this.batchStream.ReadHeaders(); ODataBatchOperationRequestMessage requestMessage = ODataBatchOperationRequestMessage.CreateReadMessage( this.batchStream, httpMethod, requestUri, headers, /*operationListener*/ this, this.urlResolver); // Add a potential Content-ID header to the URL resolver so that it will be available // to subsequent operations. string contentId; if (headers.TryGetValue(ODataConstants.ContentIdHeader, out contentId)) { Debug.Assert(this.contentIdToAddOnNextRead == null, "Must not have a content ID to be added to a part."); if (contentId != null && this.urlResolver.ContainsContentId(contentId)) { throw new ODataException(Strings.ODataBatchReader_DuplicateContentIDsNotAllowed(contentId)); } this.contentIdToAddOnNextRead = contentId; } return(requestMessage); }
/// <summary> /// Creates an operation response message that can be used to read the operation content from. /// </summary> /// <param name="batchReaderStream">The batch stream underyling the operation response message.</param> /// <param name="statusCode">The status code to use for the operation response message.</param> /// <param name="headers">The headers to use for the operation response message.</param> /// <param name="operationListener">The operation listener.</param> /// <param name="urlResolver">The (optional) URL resolver for the message to create.</param> /// <returns>An <see cref="ODataBatchOperationResponseMessage"/> that can be used to read the operation content.</returns> internal static ODataBatchOperationResponseMessage CreateReadMessage( ODataBatchReaderStream batchReaderStream, int statusCode, ODataBatchOperationHeaders headers, IODataBatchOperationListener operationListener, IODataUrlResolver urlResolver) { DebugUtils.CheckNoExternalCallers(); Debug.Assert(batchReaderStream != null, "batchReaderStream != null"); Debug.Assert(operationListener != null, "operationListener != null"); Func <Stream> streamCreatorFunc = () => ODataBatchUtils.CreateBatchOperationReadStream(batchReaderStream, headers, operationListener); ODataBatchOperationResponseMessage responseMessage = new ODataBatchOperationResponseMessage(streamCreatorFunc, headers, operationListener, urlResolver, /*writing*/ false); responseMessage.statusCode = statusCode; return(responseMessage); }
/// <summary> /// Constructor. Creates a request message for an operation of a batch request. /// </summary> /// <param name="contentStreamCreatorFunc">A function to create the content stream.</param> /// <param name="method">The HTTP method used for this request message.</param> /// <param name="requestUrl">The request Url for this request message.</param> /// <param name="headers">The headers for the this request message.</param> /// <param name="operationListener">Listener interface to be notified of operation changes.</param> /// <param name="urlResolver">The optional URL resolver to perform custom URL resolution for URLs written to the payload.</param> /// <param name="writing">true if the request message is being written; false when it is read.</param> private ODataBatchOperationRequestMessage( Func <Stream> contentStreamCreatorFunc, string method, Uri requestUrl, ODataBatchOperationHeaders headers, IODataBatchOperationListener operationListener, IODataUrlResolver urlResolver, bool writing) { Debug.Assert(contentStreamCreatorFunc != null, "contentStreamCreatorFunc != null"); Debug.Assert(operationListener != null, "operationListener != null"); Debug.Assert(urlResolver != null, "urlResolver != null"); this.Method = method; this.Url = requestUrl; this.message = new ODataBatchOperationMessage(contentStreamCreatorFunc, headers, operationListener, urlResolver, writing); }
public override void SetHeader(string headerName, string headerValue) { this.VerifyNotCompleted(); base.VerifyCanSetHeader(); if (headerValue == null) { if (this.headers != null) { this.headers.Remove(headerName); } } else { if (this.headers == null) { this.headers = new ODataBatchOperationHeaders(); } this.headers[headerName] = headerValue; } }
internal static ODataBatchOperationRequestMessage CreateReadMessage(ODataBatchReaderStream batchReaderStream, string method, Uri requestUrl, ODataBatchOperationHeaders headers, IODataBatchOperationListener operationListener, IODataUrlResolver urlResolver) { return(new ODataBatchOperationRequestMessage(() => ODataBatchUtils.CreateBatchOperationReadStream(batchReaderStream, headers, operationListener), method, requestUrl, headers, operationListener, urlResolver, false)); }
internal static ODataBatchOperationReadStream CreateBatchOperationReadStream(ODataBatchReaderStream batchReaderStream, ODataBatchOperationHeaders headers, IODataBatchOperationListener operationListener) { string str; if (!headers.TryGetValue("Content-Length", out str)) { return(ODataBatchOperationReadStream.Create(batchReaderStream, operationListener)); } int length = int.Parse(str, CultureInfo.InvariantCulture); if (length < 0) { throw new ODataException(Strings.ODataBatchReaderStream_InvalidContentLengthSpecified(str)); } return(ODataBatchOperationReadStream.Create(batchReaderStream, operationListener, length)); }
internal static ODataBatchOperationResponseMessage CreateReadMessage(ODataBatchReaderStream batchReaderStream, int statusCode, ODataBatchOperationHeaders headers, IODataBatchOperationListener operationListener, IODataUrlResolver urlResolver) { return(new ODataBatchOperationResponseMessage(() => ODataBatchUtils.CreateBatchOperationReadStream(batchReaderStream, headers, operationListener), headers, operationListener, urlResolver, false) { statusCode = statusCode }); }
private ODataBatchOperationResponseMessage(Func <Stream> contentStreamCreatorFunc, ODataBatchOperationHeaders headers, IODataBatchOperationListener operationListener, IODataUrlResolver urlResolver, bool writing) { this.message = new ODataBatchOperationMessage(contentStreamCreatorFunc, headers, operationListener, urlResolver, writing); }
private ODataBatchOperationHeaders ReadPartHeaders(out bool isChangeSetPart) { ODataBatchOperationHeaders headers = this.ReadHeaders(); return(this.ValidatePartHeaders(headers, out isChangeSetPart)); }