summaryrefslogtreecommitdiffstats
path: root/components/cronet/android/cronet_data_reduction_proxy.cc
blob: 360862fbea80d340c39229f209457b46cf076b1b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "components/cronet/android/cronet_data_reduction_proxy.h"

#include <utility>

#include "base/command_line.h"
#include "base/logging.h"
#include "base/single_thread_task_runner.h"
#include "components/cronet/android/cronet_in_memory_pref_store.h"
#include "components/data_reduction_proxy/core/browser/data_reduction_proxy_compression_stats.h"
#include "components/data_reduction_proxy/core/browser/data_reduction_proxy_io_data.h"
#include "components/data_reduction_proxy/core/browser/data_reduction_proxy_network_delegate.h"
#include "components/data_reduction_proxy/core/browser/data_reduction_proxy_prefs.h"
#include "components/data_reduction_proxy/core/browser/data_reduction_proxy_request_options.h"
#include "components/data_reduction_proxy/core/browser/data_reduction_proxy_service.h"
#include "components/data_reduction_proxy/core/browser/data_reduction_proxy_settings.h"
#include "components/data_reduction_proxy/core/browser/data_store.h"
#include "components/data_reduction_proxy/core/common/data_reduction_proxy_params.h"
#include "components/data_reduction_proxy/core/common/data_reduction_proxy_switches.h"
#include "components/prefs/pref_registry_simple.h"
#include "components/prefs/pref_service.h"
#include "components/prefs/pref_service_factory.h"
#include "net/url_request/url_request_context_getter.h"
#include "net/url_request/url_request_interceptor.h"

namespace cronet {
namespace {

// Name of the preference that governs enabling the Data Reduction Proxy.
const char kDataReductionProxyEnabled[] = "data_reduction_proxy.enabled";

scoped_ptr<PrefService> CreatePrefService() {
  scoped_refptr<PrefRegistrySimple> pref_registry(new PrefRegistrySimple());
  pref_registry->RegisterBooleanPref(kDataReductionProxyEnabled, false);
  data_reduction_proxy::RegisterSimpleProfilePrefs(pref_registry.get());
  PrefServiceFactory pref_service_factory;
  pref_service_factory.set_user_prefs(
      make_scoped_refptr(new CronetInMemoryPrefStore()));
  scoped_ptr<PrefService> pref_service =
      pref_service_factory.Create(pref_registry.get());
  pref_registry = nullptr;
  return pref_service;
}

// TODO(bengr): Apply test configurations directly, instead of via the
// command line.
void AddOptionsToCommandLine(const std::string& primary_proxy,
                             const std::string& fallback_proxy,
                             const std::string& secure_proxy_check_url,
                             base::CommandLine* command_line) {
  DCHECK((primary_proxy.empty() && fallback_proxy.empty() &&
      secure_proxy_check_url.empty()) ||
          (!primary_proxy.empty() && !fallback_proxy.empty() &&
              !secure_proxy_check_url.empty()));
  if (primary_proxy.empty())
    return;
  command_line->AppendSwitchASCII(
      data_reduction_proxy::switches::kDataReductionProxy, primary_proxy);
  command_line->AppendSwitchASCII(
      data_reduction_proxy::switches::kDataReductionProxyFallback,
      fallback_proxy);
  command_line->AppendSwitchASCII(
      data_reduction_proxy::switches::kDataReductionProxySecureProxyCheckURL,
      secure_proxy_check_url);
}

}  // namespace

CronetDataReductionProxy::CronetDataReductionProxy(
    const std::string& key,
    const std::string& primary_proxy,
    const std::string& fallback_proxy,
    const std::string& secure_proxy_check_url,
    const std::string& user_agent,
    scoped_refptr<base::SingleThreadTaskRunner> task_runner,
    net::NetLog* net_log)
    : task_runner_(task_runner) {
  DCHECK(task_runner_->BelongsToCurrentThread());
  AddOptionsToCommandLine(primary_proxy, fallback_proxy, secure_proxy_check_url,
                          base::CommandLine::ForCurrentProcess());
  prefs_ = CreatePrefService();
  // In Cronet, the Data Reduction Proxy's UI classes are Created on Cronet's
  // network thread.
  settings_.reset(
      new data_reduction_proxy::DataReductionProxySettings());
  io_data_.reset(
      new data_reduction_proxy::DataReductionProxyIOData(
          data_reduction_proxy::Client::CRONET_ANDROID,
          data_reduction_proxy::DataReductionProxyParams::kAllowed |
              data_reduction_proxy::DataReductionProxyParams::kFallbackAllowed,
          net_log, task_runner, task_runner, false, false, user_agent));
  io_data_->request_options()->SetKeyOnIO(key);
}

CronetDataReductionProxy::~CronetDataReductionProxy() {
  io_data_->ShutdownOnUIThread();
}

scoped_ptr<net::NetworkDelegate>
CronetDataReductionProxy::CreateNetworkDelegate(
    scoped_ptr<net::NetworkDelegate> wrapped_network_delegate) {
  return io_data_->CreateNetworkDelegate(std::move(wrapped_network_delegate),
                                         false /* No bypass UMA */);
}

scoped_ptr<net::URLRequestInterceptor>
CronetDataReductionProxy::CreateInterceptor() {
  return io_data_->CreateInterceptor();
}

void CronetDataReductionProxy::Init(bool enable,
                                    net::URLRequestContext* context) {
  url_request_context_getter_ =
      new net::TrivialURLRequestContextGetter(
          context, task_runner_);
  scoped_ptr<data_reduction_proxy::DataReductionProxyService>
      data_reduction_proxy_service(
          new data_reduction_proxy::DataReductionProxyService(
              settings_.get(), prefs_.get(),
              url_request_context_getter_.get(),
              make_scoped_ptr(new data_reduction_proxy::DataStore()),
              task_runner_, task_runner_, task_runner_, base::TimeDelta()));
  io_data_->SetDataReductionProxyService(
      data_reduction_proxy_service->GetWeakPtr());
  settings_->InitDataReductionProxySettings(
      kDataReductionProxyEnabled, prefs_.get(), io_data_.get(),
      std::move(data_reduction_proxy_service));
  settings_->SetDataReductionProxyEnabled(enable);
  settings_->MaybeActivateDataReductionProxy(true);
}

}  // namespace cronet