137 lines
6.2 KiB
C++
137 lines
6.2 KiB
C++
/*
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*
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* @APPLE_LICENSE_HEADER_START@
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*
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* Copyright (c) 1999-2008 Apple Inc. All Rights Reserved.
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this
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* file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_LICENSE_HEADER_END@
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*
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*/
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#ifndef __HTTPREQUEST_H__
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#define __HTTPREQUEST_H__
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#include "HTTPProtocol.h"
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#include "StrPtrLen.h"
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#include "StringParser.h"
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#include "ResizeableStringFormatter.h"
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#include "OSHeaders.h"
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#include "QTSS.h"
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class HTTPRequest
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{
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public:
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// Constructor
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HTTPRequest(StrPtrLen* serverHeader, StrPtrLen* requestPtr);
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// This cosntructor is used when the request has been parsed and thrown away
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// and the response has to be created
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HTTPRequest(StrPtrLen* serverHeader);
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// Destructor
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virtual ~HTTPRequest();
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// Should be called before accessing anything in the request header
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// Calls ParseRequestLine and ParseHeaders
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QTSS_Error Parse();
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// Basic access methods for the HTTP method, the absolute request URI,
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// the host name from URI, the relative request URI, the request file path,
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// the HTTP version, the Status code, the keep-alive tag.
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HTTPMethod GetMethod(){ return fMethod; }
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StrPtrLen* GetRequestLine(){ return &fRequestLine; }
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StrPtrLen* GetRequestAbsoluteURI(){ return &fAbsoluteURI; }
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StrPtrLen* GetSchemefromAbsoluteURI(){ return &fAbsoluteURIScheme; }
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StrPtrLen* GetHostfromAbsoluteURI(){ return &fHostHeader; }
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StrPtrLen* GetRequestRelativeURI(){ return &fRelativeURI; }
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char* GetRequestPath(){ return fRequestPath; }
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HTTPVersion GetVersion(){ return fVersion; }
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HTTPStatusCode GetStatusCode(){ return fStatusCode; }
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Bool16 IsRequestKeepAlive(){ return fRequestKeepAlive; }
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// If header field exists in the request, it will be found in the dictionary
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// and the value returned. Otherwise, NULL is returned.
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StrPtrLen* GetHeaderValue(HTTPHeader inHeader);
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// Creates a header with the corresponding version and status code
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void CreateResponseHeader(HTTPVersion version, HTTPStatusCode statusCode);
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// To append response header fields as appropriate
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void AppendResponseHeader(HTTPHeader inHeader, StrPtrLen* inValue);
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void AppendDateAndExpiresFields();
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void AppendDateField();
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void AppendConnectionCloseHeader();
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void AppendConnectionKeepAliveHeader();
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void AppendContentLengthHeader(UInt64 length_64bit);
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void AppendContentLengthHeader(UInt32 length_32bit);
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// Returns the completed response header by appending CRLF to the end of the header
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// fields buffer
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StrPtrLen* GetCompleteResponseHeader();
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// Parse if-modified-since header
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time_t ParseIfModSinceHeader();
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private:
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enum { kMinHeaderSizeInBytes = 512 };
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// Gets the method, version and calls ParseURI
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QTSS_Error ParseRequestLine(StringParser* parser);
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// Parses the URI to get absolute and relative URIs, the host name and the file path
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QTSS_Error ParseURI(StringParser* parser);
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// Parses the headers and adds them into a dictionary
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// Also calls SetKeepAlive with the Connection header field's value if it exists
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QTSS_Error ParseHeaders(StringParser* parser);
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// Sets fRequestKeepAlive
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void SetKeepAlive(StrPtrLen* keepAliveValue);
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// Used in initialize and CreateResponseHeader
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void PutStatusLine(StringFormatter* putStream, HTTPStatusCode status, HTTPVersion version);
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//For writing into the premade headers
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StrPtrLen* GetServerHeader(){ return &fSvrHeader; }
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// Complete request and response headers
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StrPtrLen fRequestHeader;
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ResizeableStringFormatter* fResponseFormatter;
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StrPtrLen* fResponseHeader;
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// Private members
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HTTPMethod fMethod;
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HTTPVersion fVersion;
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StrPtrLen fRequestLine;
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// For the URI (fAbsoluteURI and fRelativeURI are the same if the URI is of the form "/path")
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StrPtrLen fAbsoluteURI; // If it is of the form "http://foo.bar.com/path"
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StrPtrLen fRelativeURI; // If it is of the form "/path"
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// If it is an absolute URI, these fields will be filled in
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// "http://foo.bar.com/path" => fAbsoluteURIScheme = "http", fHostHeader = "foo.bar.com",
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// fRequestPath = "path"
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StrPtrLen fAbsoluteURIScheme;
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StrPtrLen fHostHeader; // If the full url is given in the request line
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char* fRequestPath; // Also contains the query string
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HTTPStatusCode fStatusCode;
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Bool16 fRequestKeepAlive; // Keep-alive information in the client request
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StrPtrLen fFieldValues[httpNumHeaders]; // Array of header field values parsed from the request
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StrPtrLen fSvrHeader; // Server header set up at initialization
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static StrPtrLen sColonSpace;
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static UInt8 sURLStopConditions[];
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};
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#endif // __HTTPREQUEST_H__
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