src/chrome/browser/net/chrome_url_request_context_getter.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 "chrome/browser/net/chrome_url_request_context_getter.h"
   6
   7 #include "base/bind.h"
   8 #include "base/compiler_specific.h"
   9 #include "base/message_loop/message_loop.h"
  10 #include "base/message_loop/message_loop_proxy.h"
  11 #include "chrome/browser/browser_process.h"
  12 #include "chrome/browser/io_thread.h"
  13 #include "chrome/browser/profiles/profile.h"
  14 #include "chrome/browser/profiles/profile_io_data.h"
  15 #include "chrome/browser/profiles/storage_partition_descriptor.h"
  16 #include "content/public/browser/browser_thread.h"
  17 #include "net/cookies/cookie_store.h"
  18
  19 using content::BrowserThread;
  20
  21 class ChromeURLRequestContextFactory {
  22  public:
  23   ChromeURLRequestContextFactory() {}
  24   virtual ~ChromeURLRequestContextFactory() {}
  25
  26   // Called to create a new instance (will only be called once).
  27   virtual net::URLRequestContext* Create() = 0;
  28
  29  protected:
  30   DISALLOW_COPY_AND_ASSIGN(ChromeURLRequestContextFactory);
  31 };
  32
  33 namespace {
  34
  35 // ----------------------------------------------------------------------------
  36 // Helper factories
  37 // ----------------------------------------------------------------------------
  38
  39 // Factory that creates the main URLRequestContext.
  40 class FactoryForMain : public ChromeURLRequestContextFactory {
  41  public:
  42   FactoryForMain(
  43       const ProfileIOData* profile_io_data,
  44       content::ProtocolHandlerMap* protocol_handlers,
  45       content::URLRequestInterceptorScopedVector request_interceptors)
  46       : profile_io_data_(profile_io_data),
  47         request_interceptors_(request_interceptors.Pass()) {
  48     std::swap(protocol_handlers_, *protocol_handlers);
  49   }
  50
  51   virtual net::URLRequestContext* Create() OVERRIDE {
  52     profile_io_data_->Init(&protocol_handlers_, request_interceptors_.Pass());
  53     return profile_io_data_->GetMainRequestContext();
  54   }
  55
  56  private:
  57   const ProfileIOData* const profile_io_data_;
  58   content::ProtocolHandlerMap protocol_handlers_;
  59   content::URLRequestInterceptorScopedVector request_interceptors_;
  60 };
  61
  62 // Factory that creates the URLRequestContext for extensions.
  63 class FactoryForExtensions : public ChromeURLRequestContextFactory {
  64  public:
  65   explicit FactoryForExtensions(const ProfileIOData* profile_io_data)
  66       : profile_io_data_(profile_io_data) {}
  67
  68   virtual net::URLRequestContext* Create() OVERRIDE {
  69     return profile_io_data_->GetExtensionsRequestContext();
  70   }
  71
  72  private:
  73   const ProfileIOData* const profile_io_data_;
  74 };
  75
  76 // Factory that creates the URLRequestContext for a given isolated app.
  77 class FactoryForIsolatedApp : public ChromeURLRequestContextFactory {
  78  public:
  79   FactoryForIsolatedApp(
  80       const ProfileIOData* profile_io_data,
  81       const StoragePartitionDescriptor& partition_descriptor,
  82       ChromeURLRequestContextGetter* main_context,
  83       scoped_ptr<ProtocolHandlerRegistry::JobInterceptorFactory>
  84           protocol_handler_interceptor,
  85       content::ProtocolHandlerMap* protocol_handlers,
  86       content::URLRequestInterceptorScopedVector request_interceptors)
  87       : profile_io_data_(profile_io_data),
  88         partition_descriptor_(partition_descriptor),
  89         main_request_context_getter_(main_context),
  90         protocol_handler_interceptor_(protocol_handler_interceptor.Pass()),
  91         request_interceptors_(request_interceptors.Pass()) {
  92     std::swap(protocol_handlers_, *protocol_handlers);
  93   }
  94
  95   virtual net::URLRequestContext* Create() OVERRIDE {
  96     // We will copy most of the state from the main request context.
  97     //
  98     // Note that this factory is one-shot.  After Create() is called once, the
  99     // factory is actually destroyed. Thus it is safe to destructively pass
 100     // state onwards.
 101     return profile_io_data_->GetIsolatedAppRequestContext(
 102         main_request_context_getter_->GetURLRequestContext(),
 103         partition_descriptor_,
 104         protocol_handler_interceptor_.Pass(),
 105         &protocol_handlers_,
 106         request_interceptors_.Pass());
 107   }
 108
 109  private:
 110   const ProfileIOData* const profile_io_data_;
 111   const StoragePartitionDescriptor partition_descriptor_;
 112   scoped_refptr<ChromeURLRequestContextGetter>
 113       main_request_context_getter_;
 114   scoped_ptr<ProtocolHandlerRegistry::JobInterceptorFactory>
 115       protocol_handler_interceptor_;
 116   content::ProtocolHandlerMap protocol_handlers_;
 117   content::URLRequestInterceptorScopedVector request_interceptors_;
 118 };
 119
 120 // Factory that creates the media URLRequestContext for a given isolated
 121 // app.  The media context is based on the corresponding isolated app's context.
 122 class FactoryForIsolatedMedia : public ChromeURLRequestContextFactory {
 123  public:
 124   FactoryForIsolatedMedia(
 125       const ProfileIOData* profile_io_data,
 126       const StoragePartitionDescriptor& partition_descriptor,
 127       ChromeURLRequestContextGetter* app_context)
 128     : profile_io_data_(profile_io_data),
 129       partition_descriptor_(partition_descriptor),
 130       app_context_getter_(app_context) {}
 131
 132   virtual net::URLRequestContext* Create() OVERRIDE {
 133     // We will copy most of the state from the corresopnding app's
 134     // request context. We expect to have the same lifetime as
 135     // the associated |app_context_getter_| so we can just reuse
 136     // all its backing objects, including the
 137     // |protocol_handler_interceptor|.  This is why the API
 138     // looks different from FactoryForIsolatedApp's.
 139     return profile_io_data_->GetIsolatedMediaRequestContext(
 140         app_context_getter_->GetURLRequestContext(), partition_descriptor_);
 141   }
 142
 143  private:
 144   const ProfileIOData* const profile_io_data_;
 145   const StoragePartitionDescriptor partition_descriptor_;
 146   scoped_refptr<ChromeURLRequestContextGetter> app_context_getter_;
 147 };
 148
 149 // Factory that creates the URLRequestContext for media.
 150 class FactoryForMedia : public ChromeURLRequestContextFactory {
 151  public:
 152   explicit FactoryForMedia(const ProfileIOData* profile_io_data)
 153       : profile_io_data_(profile_io_data) {
 154   }
 155
 156   virtual net::URLRequestContext* Create() OVERRIDE {
 157     return profile_io_data_->GetMediaRequestContext();
 158   }
 159
 160  private:
 161   const ProfileIOData* const profile_io_data_;
 162 };
 163
 164 }  // namespace
 165
 166 // ----------------------------------------------------------------------------
 167 // ChromeURLRequestContextGetter
 168 // ----------------------------------------------------------------------------
 169
 170 ChromeURLRequestContextGetter::ChromeURLRequestContextGetter(
 171     ChromeURLRequestContextFactory* factory)
 172     : factory_(factory),
 173       url_request_context_(NULL) {
 174   DCHECK(factory);
 175 }
 176
 177 ChromeURLRequestContextGetter::~ChromeURLRequestContextGetter() {}
 178
 179 // Lazily create a URLRequestContext using our factory.
 180 net::URLRequestContext*
 181 ChromeURLRequestContextGetter::GetURLRequestContext() {
 182   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 183
 184   if (factory_.get()) {
 185     DCHECK(!url_request_context_);
 186     url_request_context_ = factory_->Create();
 187     factory_.reset();
 188   }
 189
 190   // Context reference is valid, unless we're trying to use the
 191   // URLRequestContextGetter after the Profile has already been deleted.
 192   CHECK(url_request_context_);
 193
 194   return url_request_context_;
 195 }
 196
 197 void ChromeURLRequestContextGetter::Invalidate() {
 198   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 199   factory_.reset();
 200   url_request_context_ = NULL;
 201 }
 202
 203 scoped_refptr<base::SingleThreadTaskRunner>
 204 ChromeURLRequestContextGetter::GetNetworkTaskRunner() const {
 205   return BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO);
 206 }
 207
 208 // static
 209 ChromeURLRequestContextGetter* ChromeURLRequestContextGetter::Create(
 210     Profile* profile,
 211     const ProfileIOData* profile_io_data,
 212     content::ProtocolHandlerMap* protocol_handlers,
 213     content::URLRequestInterceptorScopedVector request_interceptors) {
 214   return new ChromeURLRequestContextGetter(new FactoryForMain(
 215       profile_io_data, protocol_handlers, request_interceptors.Pass()));
 216 }
 217
 218 // static
 219 ChromeURLRequestContextGetter*
 220 ChromeURLRequestContextGetter::CreateForMedia(
 221     Profile* profile, const ProfileIOData* profile_io_data) {
 222   return new ChromeURLRequestContextGetter(
 223       new FactoryForMedia(profile_io_data));
 224 }
 225
 226 // static
 227 ChromeURLRequestContextGetter*
 228 ChromeURLRequestContextGetter::CreateForExtensions(
 229     Profile* profile, const ProfileIOData* profile_io_data) {
 230   return new ChromeURLRequestContextGetter(
 231       new FactoryForExtensions(profile_io_data));
 232 }
 233
 234 // static
 235 ChromeURLRequestContextGetter*
 236 ChromeURLRequestContextGetter::CreateForIsolatedApp(
 237     Profile* profile,
 238     const ProfileIOData* profile_io_data,
 239     const StoragePartitionDescriptor& partition_descriptor,
 240     scoped_ptr<ProtocolHandlerRegistry::JobInterceptorFactory>
 241         protocol_handler_interceptor,
 242     content::ProtocolHandlerMap* protocol_handlers,
 243     content::URLRequestInterceptorScopedVector request_interceptors) {
 244   ChromeURLRequestContextGetter* main_context =
 245       static_cast<ChromeURLRequestContextGetter*>(profile->GetRequestContext());
 246   return new ChromeURLRequestContextGetter(
 247       new FactoryForIsolatedApp(profile_io_data,
 248                                 partition_descriptor,
 249                                 main_context,
 250                                 protocol_handler_interceptor.Pass(),
 251                                 protocol_handlers,
 252                                 request_interceptors.Pass()));
 253 }
 254
 255 // static
 256 ChromeURLRequestContextGetter*
 257 ChromeURLRequestContextGetter::CreateForIsolatedMedia(
 258     Profile* profile,
 259     ChromeURLRequestContextGetter* app_context,
 260     const ProfileIOData* profile_io_data,
 261     const StoragePartitionDescriptor& partition_descriptor) {
 262   return new ChromeURLRequestContextGetter(
 263       new FactoryForIsolatedMedia(
 264           profile_io_data, partition_descriptor, app_context));
 265 }