components/cronet/android/url_request_context_adapter.cc

   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 #include "components/cronet/android/url_request_context_adapter.h"
   6
   7 #include "base/bind.h"
   8 #include "base/file_util.h"
   9 #include "base/single_thread_task_runner.h"
  10 #include "components/cronet/url_request_context_config.h"
  11 #include "net/base/net_errors.h"
  12 #include "net/base/net_log_logger.h"
  13 #include "net/cert/cert_verifier.h"
  14 #include "net/http/http_auth_handler_factory.h"
  15 #include "net/http/http_network_layer.h"
  16 #include "net/http/http_server_properties_impl.h"
  17 #include "net/proxy/proxy_config_service_fixed.h"
  18 #include "net/proxy/proxy_service.h"
  19 #include "net/ssl/ssl_config_service_defaults.h"
  20 #include "net/url_request/static_http_user_agent_settings.h"
  21 #include "net/url_request/url_request_context_builder.h"
  22 #include "net/url_request/url_request_context_storage.h"
  23 #include "net/url_request/url_request_job_factory_impl.h"
  24
  25 namespace {
  26
  27 class BasicNetworkDelegate : public net::NetworkDelegate {
  28  public:
  29   BasicNetworkDelegate() {}
  30   virtual ~BasicNetworkDelegate() {}
  31
  32  private:
  33   // net::NetworkDelegate implementation.
  34   virtual int OnBeforeURLRequest(net::URLRequest* request,
  35                                  const net::CompletionCallback& callback,
  36                                  GURL* new_url) OVERRIDE {
  37     return net::OK;
  38   }
  39
  40   virtual int OnBeforeSendHeaders(net::URLRequest* request,
  41                                   const net::CompletionCallback& callback,
  42                                   net::HttpRequestHeaders* headers) OVERRIDE {
  43     return net::OK;
  44   }
  45
  46   virtual void OnSendHeaders(net::URLRequest* request,
  47                              const net::HttpRequestHeaders& headers) OVERRIDE {}
  48
  49   virtual int OnHeadersReceived(
  50       net::URLRequest* request,
  51       const net::CompletionCallback& callback,
  52       const net::HttpResponseHeaders* original_response_headers,
  53       scoped_refptr<net::HttpResponseHeaders>* _response_headers,
  54       GURL* allowed_unsafe_redirect_url) OVERRIDE {
  55     return net::OK;
  56   }
  57
  58   virtual void OnBeforeRedirect(net::URLRequest* request,
  59                                 const GURL& new_location) OVERRIDE {}
  60
  61   virtual void OnResponseStarted(net::URLRequest* request) OVERRIDE {}
  62
  63   virtual void OnRawBytesRead(const net::URLRequest& request,
  64                               int bytes_read) OVERRIDE {}
  65
  66   virtual void OnCompleted(net::URLRequest* request, bool started) OVERRIDE {}
  67
  68   virtual void OnURLRequestDestroyed(net::URLRequest* request) OVERRIDE {}
  69
  70   virtual void OnPACScriptError(int line_number,
  71                                 const base::string16& error) OVERRIDE {}
  72
  73   virtual NetworkDelegate::AuthRequiredResponse OnAuthRequired(
  74       net::URLRequest* request,
  75       const net::AuthChallengeInfo& auth_info,
  76       const AuthCallback& callback,
  77       net::AuthCredentials* credentials) OVERRIDE {
  78     return net::NetworkDelegate::AUTH_REQUIRED_RESPONSE_NO_ACTION;
  79   }
  80
  81   virtual bool OnCanGetCookies(const net::URLRequest& request,
  82                                const net::CookieList& cookie_list) OVERRIDE {
  83     return false;
  84   }
  85
  86   virtual bool OnCanSetCookie(const net::URLRequest& request,
  87                               const std::string& cookie_line,
  88                               net::CookieOptions* options) OVERRIDE {
  89     return false;
  90   }
  91
  92   virtual bool OnCanAccessFile(const net::URLRequest& request,
  93                                const base::FilePath& path) const OVERRIDE {
  94     return false;
  95   }
  96
  97   virtual bool OnCanThrottleRequest(
  98       const net::URLRequest& request) const OVERRIDE {
  99     return false;
 100   }
 101
 102   virtual int OnBeforeSocketStreamConnect(
 103       net::SocketStream* stream,
 104       const net::CompletionCallback& callback) OVERRIDE {
 105     return net::OK;
 106   }
 107
 108   DISALLOW_COPY_AND_ASSIGN(BasicNetworkDelegate);
 109 };
 110
 111 }  // namespace
 112
 113 namespace cronet {
 114
 115 URLRequestContextAdapter::URLRequestContextAdapter(
 116     URLRequestContextAdapterDelegate* delegate,
 117     std::string user_agent) {
 118   delegate_ = delegate;
 119   user_agent_ = user_agent;
 120 }
 121
 122 void URLRequestContextAdapter::Initialize(
 123     scoped_ptr<URLRequestContextConfig> config) {
 124   network_thread_ = new base::Thread("network");
 125   base::Thread::Options options;
 126   options.message_loop_type = base::MessageLoop::TYPE_IO;
 127   network_thread_->StartWithOptions(options);
 128
 129   GetNetworkTaskRunner()->PostTask(
 130       FROM_HERE,
 131       base::Bind(&URLRequestContextAdapter::InitializeURLRequestContext,
 132                  this,
 133                  Passed(&config)));
 134 }
 135
 136 void URLRequestContextAdapter::InitializeURLRequestContext(
 137     scoped_ptr<URLRequestContextConfig> config) {
 138   // TODO(mmenke):  Add method to have the builder enable SPDY.
 139   net::URLRequestContextBuilder context_builder;
 140   context_builder.set_network_delegate(new BasicNetworkDelegate());
 141   context_builder.set_proxy_config_service(
 142       new net::ProxyConfigServiceFixed(net::ProxyConfig()));
 143   config->ConfigureURLRequestContextBuilder(&context_builder);
 144
 145   context_.reset(context_builder.Build());
 146
 147   if (VLOG_IS_ON(2)) {
 148     net_log_observer_.reset(new NetLogObserver());
 149     context_->net_log()->AddThreadSafeObserver(net_log_observer_.get(),
 150                                                net::NetLog::LOG_ALL_BUT_BYTES);
 151   }
 152
 153   delegate_->OnContextInitialized(this);
 154 }
 155
 156 URLRequestContextAdapter::~URLRequestContextAdapter() {
 157   if (net_log_observer_) {
 158     context_->net_log()->RemoveThreadSafeObserver(net_log_observer_.get());
 159     net_log_observer_.reset();
 160   }
 161   StopNetLog();
 162   // TODO(mef): Ensure that |network_thread_| is destroyed properly.
 163 }
 164
 165 const std::string& URLRequestContextAdapter::GetUserAgent(
 166     const GURL& url) const {
 167   return user_agent_;
 168 }
 169
 170 net::URLRequestContext* URLRequestContextAdapter::GetURLRequestContext() {
 171   if (!context_) {
 172     LOG(ERROR) << "URLRequestContext is not set up";
 173   }
 174   return context_.get();
 175 }
 176
 177 scoped_refptr<base::SingleThreadTaskRunner>
 178 URLRequestContextAdapter::GetNetworkTaskRunner() const {
 179   return network_thread_->message_loop_proxy();
 180 }
 181
 182 void URLRequestContextAdapter::StartNetLogToFile(const std::string& file_name) {
 183   // Do nothing if already logging to a file.
 184   if (net_log_logger_)
 185     return;
 186
 187   base::FilePath file_path(file_name);
 188   FILE* file = base::OpenFile(file_path, "w");
 189   if (!file)
 190     return;
 191
 192   scoped_ptr<base::Value> constants(net::NetLogLogger::GetConstants());
 193   net_log_logger_.reset(new net::NetLogLogger(file, *constants));
 194   net_log_logger_->StartObserving(context_->net_log());
 195 }
 196
 197 void URLRequestContextAdapter::StopNetLog() {
 198   if (net_log_logger_) {
 199     net_log_logger_->StopObserving();
 200     net_log_logger_.reset();
 201   }
 202 }
 203
 204 void NetLogObserver::OnAddEntry(const net::NetLog::Entry& entry) {
 205   VLOG(2) << "Net log entry: type=" << entry.type()
 206           << ", source=" << entry.source().type << ", phase=" << entry.phase();
 207 }
 208
 209 }  // namespace cronet