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 CHROME_BROWSER_NET_SPDYPROXY_HTTP_AUTH_HANDLER_SPDYPROXY_H_
6#define CHROME_BROWSER_NET_SPDYPROXY_HTTP_AUTH_HANDLER_SPDYPROXY_H_
7
8#include <string>
9#include <vector>
10
11#include "base/gtest_prod_util.h"
12#include "net/http/http_auth_handler.h"
13#include "net/http/http_auth_handler_factory.h"
14
15namespace spdyproxy {
16
17// Code for handling http SpdyProxy authentication.
18class HttpAuthHandlerSpdyProxy : public net::HttpAuthHandler {
19 public:
20  class Factory : public net::HttpAuthHandlerFactory {
21   public:
22    // Constructs a new spdyproxy handler factory which mints handlers that
23    // respond to challenges only from the given |authorized_spdyproxy_origins|.
24    explicit Factory(const std::vector<GURL>& authorized_spdyproxy_origins);
25    virtual ~Factory();
26
27    virtual int CreateAuthHandler(
28        net::HttpAuth::ChallengeTokenizer* challenge,
29        net::HttpAuth::Target target,
30        const GURL& origin,
31        CreateReason reason,
32        int digest_nonce_count,
33        const net::BoundNetLog& net_log,
34        scoped_ptr<HttpAuthHandler>* handler) OVERRIDE;
35
36   private:
37    // The origins for which Chrome will respond to SpdyProxy auth challenges.
38    std::vector<GURL> authorized_spdyproxy_origins_;
39  };
40
41  // Constructs a new spdyproxy handler.
42  HttpAuthHandlerSpdyProxy() {}
43
44  // Overrides from net::HttpAuthHandler.
45  virtual net::HttpAuth::AuthorizationResult HandleAnotherChallenge(
46      net::HttpAuth::ChallengeTokenizer* challenge) OVERRIDE;
47  virtual bool NeedsIdentity() OVERRIDE;
48  virtual bool AllowsDefaultCredentials() OVERRIDE;
49  virtual bool AllowsExplicitCredentials() OVERRIDE;
50
51 private:
52  FRIEND_TEST_ALL_PREFIXES(HttpAuthHandlerSpdyProxyTest, ParseChallenge);
53
54  virtual ~HttpAuthHandlerSpdyProxy();
55
56  virtual bool Init(net::HttpAuth::ChallengeTokenizer* challenge) OVERRIDE;
57
58  virtual int GenerateAuthTokenImpl(const net::AuthCredentials* credentials,
59                                    const net::HttpRequestInfo* request,
60                                    const net::CompletionCallback& callback,
61                                    std::string* auth_token) OVERRIDE;
62
63  bool ParseChallenge(net::HttpAuth::ChallengeTokenizer* challenge);
64
65  bool ParseChallengeProperty(const std::string& name,
66                              const std::string& value);
67
68  // Proxy server token, encoded as UTF-8.
69  std::string ps_token_;
70
71  DISALLOW_COPY_AND_ASSIGN(HttpAuthHandlerSpdyProxy);
72};
73
74}  // namespace spdyproxy
75
76#endif  // CHROME_BROWSER_NET_SPDYPROXY_HTTP_AUTH_HANDLER_SPDYPROXY_H_
77