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1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef CHROME_BROWSER_EXTENSIONS_API_SOCKET_TLS_SOCKET_H_ | |
6 #define CHROME_BROWSER_EXTENSIONS_API_SOCKET_TLS_SOCKET_H_ | |
7 | |
8 #include <string> | |
9 | |
10 #include "extensions/browser/api/socket/socket.h" | |
11 #include "extensions/browser/api/socket/socket_api.h" | |
12 #include "extensions/browser/api/socket/tcp_socket.h" | |
13 #include "net/ssl/ssl_config_service.h" | |
14 | |
15 namespace net { | |
16 class Socket; | |
17 } | |
18 | |
19 namespace extensions { | |
20 class TLSSocket; | |
21 typedef base::Callback<void(scoped_ptr<TLSSocket>, int)> SecureCallback; | |
22 | |
23 // TLS Sockets from the chrome.socket and chrome.socket.tcp APIs. A regular | |
24 // TCPSocket is converted to a TLSSocket via chrome.socket.secure() or | |
25 // chrome.sockets.tcp.secure(). The inheritance here is for interface API | |
26 // compatibility, not for the implementation that comes with it. TLSSocket | |
27 // does not use its superclass's socket state, so all methods are overridden | |
28 // here to prevent any access of ResumableTCPSocket's socket state. Except | |
29 // for the implementation of a write queue in Socket::Write() (a super-super | |
30 // class of ResumableTCPSocket). That implementation only queues and | |
31 // serializes invocations to WriteImpl(), implemented here, and does not | |
32 // touch any socket state. | |
33 class TLSSocket : public ResumableTCPSocket { | |
34 public: | |
35 TLSSocket(scoped_ptr<net::StreamSocket> tls_socket, | |
36 const std::string& owner_extension_id); | |
37 | |
38 virtual ~TLSSocket(); | |
39 | |
40 // Most of these methods either fail or forward the method call on to the | |
41 // inner net::StreamSocket. The remaining few do actual TLS work. | |
42 | |
43 // Fails. | |
44 virtual void Connect(const std::string& address, | |
45 int port, | |
46 const CompletionCallback& callback) OVERRIDE; | |
47 // Forwards. | |
48 virtual void Disconnect() OVERRIDE; | |
49 | |
50 // The |callback| will be called with the number of bytes read into the | |
51 // buffer, or a negative number if an error occurred. Does TLS work. | |
52 virtual void Read(int count, const ReadCompletionCallback& callback) OVERRIDE; | |
53 | |
54 // Fails. This should have been called on the TCP socket before secure() was | |
55 // invoked. | |
56 virtual bool SetKeepAlive(bool enable, int delay) OVERRIDE; | |
57 | |
58 // Fails. This should have been called on the TCP socket before secure() was | |
59 // invoked. | |
60 virtual bool SetNoDelay(bool no_delay) OVERRIDE; | |
61 | |
62 // Fails. TLSSocket is only a client. | |
63 virtual int Listen(const std::string& address, | |
64 int port, | |
65 int backlog, | |
66 std::string* error_msg) OVERRIDE; | |
67 | |
68 // Fails. TLSSocket is only a client. | |
69 virtual void Accept(const AcceptCompletionCallback& callback) OVERRIDE; | |
70 | |
71 // Forwards. | |
72 virtual bool IsConnected() OVERRIDE; | |
73 | |
74 // Forwards. | |
75 virtual bool GetPeerAddress(net::IPEndPoint* address) OVERRIDE; | |
76 // Forwards. | |
77 virtual bool GetLocalAddress(net::IPEndPoint* address) OVERRIDE; | |
78 | |
79 // Returns TYPE_TLS. | |
80 virtual SocketType GetSocketType() const OVERRIDE; | |
81 | |
82 // Convert |socket| to a TLS socket. |socket| must be an open TCP client | |
83 // socket. |socket| must not have a pending read. UpgradeSocketToTLS() must | |
84 // be invoked in the IO thread. |callback| will always be invoked. |options| | |
85 // may be NULL. Note: |callback| may be synchronously invoked before | |
86 // UpgradeSocketToTLS() returns. Currently using the older chrome.socket | |
87 // version of SecureOptions, to avoid having the older API implementation | |
88 // depend on the newer one. | |
89 static void UpgradeSocketToTLS( | |
90 Socket* socket, | |
91 scoped_refptr<net::SSLConfigService> config_service, | |
92 scoped_refptr<net::URLRequestContextGetter> url_request_getter, | |
Ryan Sleevi
2014/03/26 19:57:40
DESIGN: Apologies that I just now noticed this (th
lally
2014/03/28 16:22:51
No worries; Done. In the future I'll have to start
| |
93 const std::string& extension_id, | |
94 core_api::socket::SecureOptions* options, | |
95 const SecureCallback& callback); | |
96 | |
97 private: | |
98 virtual int WriteImpl(net::IOBuffer* io_buffer, | |
99 int io_buffer_size, | |
100 const net::CompletionCallback& callback) OVERRIDE; | |
101 | |
102 void OnReadComplete(const scoped_refptr<net::IOBuffer>& io_buffer, | |
103 int result); | |
104 | |
105 static void TlsConnectDone(scoped_ptr<net::SSLClientSocket> ssl_socket, | |
106 const std::string& extension_id, | |
107 const SecureCallback& callback, | |
108 int result); | |
109 | |
110 scoped_ptr<net::StreamSocket> tls_socket_; | |
111 ReadCompletionCallback read_callback_; | |
112 }; | |
113 | |
114 } // namespace extensions | |
115 | |
116 #endif // CHROME_BROWSER_EXTENSIONS_API_SOCKET_TLS_SOCKET_H_ | |
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