Upstream version 7.36.149.0
[platform/framework/web/crosswalk.git] / src / net / quic / quic_crypto_server_stream.h
1 // Copyright (c) 2012 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 NET_QUIC_QUIC_CRYPTO_SERVER_STREAM_H_
6 #define NET_QUIC_QUIC_CRYPTO_SERVER_STREAM_H_
7
8 #include <string>
9
10 #include "net/quic/crypto/crypto_handshake.h"
11 #include "net/quic/crypto/quic_crypto_server_config.h"
12 #include "net/quic/quic_config.h"
13 #include "net/quic/quic_crypto_stream.h"
14
15 namespace net {
16
17 class CryptoHandshakeMessage;
18 class QuicCryptoServerConfig;
19 class QuicSession;
20
21 namespace test {
22 class CryptoTestUtils;
23 }  // namespace test
24
25 class NET_EXPORT_PRIVATE QuicCryptoServerStream : public QuicCryptoStream {
26  public:
27   QuicCryptoServerStream(const QuicCryptoServerConfig& crypto_config,
28                          QuicSession* session);
29   explicit QuicCryptoServerStream(QuicSession* session);
30   virtual ~QuicCryptoServerStream();
31
32   // Cancel any outstanding callbacks, such as asynchronous validation of client
33   // hello.
34   void CancelOutstandingCallbacks();
35
36   // CryptoFramerVisitorInterface implementation
37   virtual void OnHandshakeMessage(
38       const CryptoHandshakeMessage& message) OVERRIDE;
39
40   // GetBase64SHA256ClientChannelID sets |*output| to the base64 encoded,
41   // SHA-256 hash of the client's ChannelID key and returns true, if the client
42   // presented a ChannelID. Otherwise it returns false.
43   bool GetBase64SHA256ClientChannelID(std::string* output) const;
44
45   uint8 num_handshake_messages() const { return num_handshake_messages_; }
46
47  protected:
48   virtual QuicErrorCode ProcessClientHello(
49       const CryptoHandshakeMessage& message,
50       const ValidateClientHelloResultCallback::Result& result,
51       CryptoHandshakeMessage* reply,
52       std::string* error_details);
53
54  private:
55   friend class test::CryptoTestUtils;
56
57   class ValidateCallback : public ValidateClientHelloResultCallback {
58    public:
59     explicit ValidateCallback(QuicCryptoServerStream* parent);
60     // To allow the parent to detach itself from the callback before deletion.
61     void Cancel();
62
63     // From ValidateClientHelloResultCallback
64     virtual void RunImpl(const CryptoHandshakeMessage& client_hello,
65                          const Result& result) OVERRIDE;
66
67    private:
68     QuicCryptoServerStream* parent_;
69
70     DISALLOW_COPY_AND_ASSIGN(ValidateCallback);
71   };
72
73   // Invoked by ValidateCallback::RunImpl once initial validation of
74   // the client hello is complete.  Finishes processing of the client
75   // hello message and handles handshake success/failure.
76   void FinishProcessingHandshakeMessage(
77       const CryptoHandshakeMessage& message,
78       const ValidateClientHelloResultCallback::Result& result);
79
80   // crypto_config_ contains crypto parameters for the handshake.
81   const QuicCryptoServerConfig& crypto_config_;
82
83   // Pointer to the active callback that will receive the result of
84   // the client hello validation request and forward it to
85   // FinishProcessingHandshakeMessage for processing.  NULL if no
86   // handshake message is being validated.
87   ValidateCallback* validate_client_hello_cb_;
88
89   uint8 num_handshake_messages_;
90
91   DISALLOW_COPY_AND_ASSIGN(QuicCryptoServerStream);
92 };
93
94 }  // namespace net
95
96 #endif  // NET_QUIC_QUIC_CRYPTO_SERVER_STREAM_H_