1// Copyright 2014 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 COMPONENTS_DATA_REDUCTION_PROXY_BROWSER_HTTP_AUTH_HANDLER_DATA_REDUCTION_PROXY_H_
6#define COMPONENTS_DATA_REDUCTION_PROXY_BROWSER_HTTP_AUTH_HANDLER_DATA_REDUCTION_PROXY_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 data_reduction_proxy {
16
17// Code for handling http SpdyProxy authentication.
18class HttpAuthHandlerDataReductionProxy : public net::HttpAuthHandler {
19 public:
20  // Returns the data reduction proxy auth scheme.
21  static std::string Scheme();
22
23  class Factory : public net::HttpAuthHandlerFactory {
24   public:
25    // Constructs a new spdyproxy handler factory which mints handlers that
26    // respond to challenges only from the given |authorized_spdyproxy_origins|.
27    explicit Factory(const std::vector<GURL>& authorized_spdyproxy_origins);
28    virtual ~Factory();
29
30    virtual int CreateAuthHandler(
31        net::HttpAuthChallengeTokenizer* challenge,
32        net::HttpAuth::Target target,
33        const GURL& origin,
34        CreateReason reason,
35        int digest_nonce_count,
36        const net::BoundNetLog& net_log,
37        scoped_ptr<HttpAuthHandler>* handler) OVERRIDE;
38
39   private:
40    // The origins for which Chrome will respond to SpdyProxy auth challenges.
41    std::vector<GURL> authorized_spdyproxy_origins_;
42  };
43
44  // Constructs a new spdyproxy handler.
45  HttpAuthHandlerDataReductionProxy() {}
46
47  // Overrides from net::HttpAuthHandler.
48  virtual net::HttpAuth::AuthorizationResult HandleAnotherChallenge(
49      net::HttpAuthChallengeTokenizer* challenge) OVERRIDE;
50  virtual bool NeedsIdentity() OVERRIDE;
51  virtual bool AllowsDefaultCredentials() OVERRIDE;
52  virtual bool AllowsExplicitCredentials() OVERRIDE;
53
54 private:
55  FRIEND_TEST_ALL_PREFIXES(HttpAuthHandlerDataReductionProxyTest,
56                           ParseChallenge);
57
58  virtual ~HttpAuthHandlerDataReductionProxy();
59
60  virtual bool Init(net::HttpAuthChallengeTokenizer* challenge) OVERRIDE;
61
62  virtual int GenerateAuthTokenImpl(const net::AuthCredentials* credentials,
63                                    const net::HttpRequestInfo* request,
64                                    const net::CompletionCallback& callback,
65                                    std::string* auth_token) OVERRIDE;
66
67  bool ParseChallenge(net::HttpAuthChallengeTokenizer* challenge);
68
69  bool ParseChallengeProperty(const std::string& name,
70                              const std::string& value);
71
72  // Proxy server token, encoded as UTF-8.
73  std::string ps_token_;
74
75  DISALLOW_COPY_AND_ASSIGN(HttpAuthHandlerDataReductionProxy);
76};
77
78}  // namespace data_reduction_proxy
79
80#endif  // COMPONENTS_DATA_REDUCTION_PROXY_BROWSER_HTTP_AUTH_HANDLER_DATA_REDUCTION_PROXY_H_
81