1 | /* |
2 | * Copyright (C) 2011 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 | #pragma once |
32 | |
33 | #include "CookieRequestHeaderFieldProxy.h" |
34 | #include <wtf/URL.h> |
35 | #include "ResourceResponse.h" |
36 | #include "WebSocketExtensionDispatcher.h" |
37 | #include "WebSocketExtensionProcessor.h" |
38 | #include <wtf/WeakPtr.h> |
39 | #include <wtf/text/WTFString.h> |
40 | |
41 | namespace WebCore { |
42 | |
43 | class ResourceRequest; |
44 | |
45 | class WebSocketHandshake { |
46 | WTF_MAKE_NONCOPYABLE(WebSocketHandshake); WTF_MAKE_FAST_ALLOCATED; |
47 | public: |
48 | enum Mode { |
49 | Incomplete, Normal, Failed, Connected |
50 | }; |
51 | WebSocketHandshake(const URL&, const String& protocol, const String& userAgent, const String& clientOrigin, bool allowCookies); |
52 | ~WebSocketHandshake(); |
53 | |
54 | const URL& url() const; |
55 | void setURL(const URL&); |
56 | URL httpURLForAuthenticationAndCookies() const; |
57 | const String host() const; |
58 | |
59 | const String& clientProtocol() const; |
60 | void setClientProtocol(const String&); |
61 | |
62 | bool secure() const; |
63 | |
64 | String clientLocation() const; |
65 | |
66 | CString clientHandshakeMessage() const; |
67 | ResourceRequest clientHandshakeRequest(Function<String(const URL&)>&& ) const; |
68 | |
69 | void reset(); |
70 | |
71 | int readServerHandshake(const char* , size_t len); |
72 | Mode mode() const; |
73 | String failureReason() const; // Returns a string indicating the reason of failure if mode() == Failed. |
74 | |
75 | String serverWebSocketProtocol() const; |
76 | String serverSetCookie() const; |
77 | String serverUpgrade() const; |
78 | String serverConnection() const; |
79 | String serverWebSocketAccept() const; |
80 | String acceptedExtensions() const; |
81 | |
82 | const ResourceResponse& serverHandshakeResponse() const; |
83 | |
84 | void addExtensionProcessor(std::unique_ptr<WebSocketExtensionProcessor>); |
85 | |
86 | static String getExpectedWebSocketAccept(const String& secWebSocketKey); |
87 | |
88 | private: |
89 | |
90 | int readStatusLine(const char* , size_t , int& statusCode, String& statusText); |
91 | |
92 | // Reads all headers except for the two predefined ones. |
93 | const char* readHTTPHeaders(const char* start, const char* end); |
94 | void processHeaders(); |
95 | bool checkResponseHeaders(); |
96 | |
97 | URL m_url; |
98 | String m_clientProtocol; |
99 | bool m_secure; |
100 | |
101 | Mode m_mode; |
102 | String m_userAgent; |
103 | String m_clientOrigin; |
104 | bool m_allowCookies; |
105 | |
106 | ResourceResponse m_serverHandshakeResponse; |
107 | |
108 | String m_failureReason; |
109 | |
110 | String m_secWebSocketKey; |
111 | String m_expectedAccept; |
112 | |
113 | WebSocketExtensionDispatcher m_extensionDispatcher; |
114 | }; |
115 | |
116 | } // namespace WebCore |
117 | |