1 /* 2 * Copyright (C) 2009 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef WebSocketHandshake_h 32 #define WebSocketHandshake_h 33 34 #if ENABLE(WEB_SOCKETS) 35 36 #include "KURL.h" 37 #include "PlatformString.h" 38 #include "WebSocketHandshakeRequest.h" 39 #include "WebSocketHandshakeResponse.h" 40 41 namespace WebCore { 42 43 class ScriptExecutionContext; 44 45 class WebSocketHandshake { 46 WTF_MAKE_NONCOPYABLE(WebSocketHandshake); 47 public: 48 enum Mode { 49 Incomplete, Normal, Failed, Connected 50 }; 51 WebSocketHandshake(const KURL&, const String& protocol, ScriptExecutionContext*); 52 ~WebSocketHandshake(); 53 54 const KURL& url() const; 55 void setURL(const KURL&); 56 const String host() const; 57 58 const String& clientProtocol() const; 59 void setClientProtocol(const String& protocol); 60 61 bool secure() const; 62 63 String clientOrigin() const; 64 String clientLocation() const; 65 66 CString clientHandshakeMessage() const; 67 WebSocketHandshakeRequest clientHandshakeRequest() const; 68 69 void reset(); 70 void clearScriptExecutionContext(); 71 72 int readServerHandshake(const char* header, size_t len); 73 Mode mode() const; 74 75 String serverWebSocketOrigin() const; 76 String serverWebSocketLocation() const; 77 String serverWebSocketProtocol() const; 78 String serverSetCookie() const; 79 String serverSetCookie2() const; 80 String serverUpgrade() const; 81 String serverConnection() const; 82 83 const WebSocketHandshakeResponse& serverHandshakeResponse() const; 84 85 private: 86 KURL httpURLForAuthenticationAndCookies() const; 87 88 int readStatusLine(const char* header, size_t headerLength, int& statusCode, String& statusText); 89 90 // Reads all headers except for the two predefined ones. 91 const char* readHTTPHeaders(const char* start, const char* end); 92 void processHeaders(); 93 bool checkResponseHeaders(); 94 95 KURL m_url; 96 String m_clientProtocol; 97 bool m_secure; 98 ScriptExecutionContext* m_context; 99 100 Mode m_mode; 101 102 String m_secWebSocketKey1; 103 String m_secWebSocketKey2; 104 unsigned char m_key3[8]; 105 unsigned char m_expectedChallengeResponse[16]; 106 107 WebSocketHandshakeResponse m_response; 108 }; 109 110 } // namespace WebCore 111 112 #endif // ENABLE(WEB_SOCKETS) 113 114 #endif // WebSocketHandshake_h 115