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#include "chrome/browser/profiles/profile_impl_io_data.h"
6
7#include "base/bind.h"
8#include "base/command_line.h"
9#include "base/logging.h"
10#include "base/metrics/field_trial.h"
11#include "base/prefs/pref_member.h"
12#include "base/prefs/pref_service.h"
13#include "base/sequenced_task_runner.h"
14#include "base/stl_util.h"
15#include "base/strings/string_util.h"
16#include "base/threading/sequenced_worker_pool.h"
17#include "base/threading/worker_pool.h"
18#include "chrome/browser/chrome_notification_types.h"
19#include "chrome/browser/chromeos/profiles/profile_helper.h"
20#include "chrome/browser/custom_handlers/protocol_handler_registry.h"
21#include "chrome/browser/custom_handlers/protocol_handler_registry_factory.h"
22#include "chrome/browser/io_thread.h"
23#include "chrome/browser/net/chrome_net_log.h"
24#include "chrome/browser/net/chrome_network_delegate.h"
25#include "chrome/browser/net/connect_interceptor.h"
26#include "chrome/browser/net/cookie_store_util.h"
27#include "chrome/browser/net/http_server_properties_manager_factory.h"
28#include "chrome/browser/net/predictor.h"
29#include "chrome/browser/net/quota_policy_channel_id_store.h"
30#include "chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_configurator.h"
31#include "chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings.h"
32#include "chrome/browser/profiles/profile.h"
33#include "chrome/common/chrome_constants.h"
34#include "chrome/common/chrome_switches.h"
35#include "chrome/common/pref_names.h"
36#include "chrome/common/url_constants.h"
37#include "components/data_reduction_proxy/browser/data_reduction_proxy_auth_request_handler.h"
38#include "components/data_reduction_proxy/browser/data_reduction_proxy_protocol.h"
39#include "components/data_reduction_proxy/browser/data_reduction_proxy_statistics_prefs.h"
40#include "components/data_reduction_proxy/browser/data_reduction_proxy_usage_stats.h"
41#include "components/data_reduction_proxy/common/data_reduction_proxy_pref_names.h"
42#include "components/domain_reliability/monitor.h"
43#include "content/public/browser/browser_thread.h"
44#include "content/public/browser/cookie_store_factory.h"
45#include "content/public/browser/notification_service.h"
46#include "content/public/browser/resource_context.h"
47#include "content/public/browser/storage_partition.h"
48#include "extensions/browser/extension_protocols.h"
49#include "extensions/common/constants.h"
50#include "net/base/cache_type.h"
51#include "net/base/sdch_dictionary_fetcher.h"
52#include "net/base/sdch_manager.h"
53#include "net/ftp/ftp_network_layer.h"
54#include "net/http/http_cache.h"
55#include "net/http/http_server_properties_manager.h"
56#include "net/ssl/channel_id_service.h"
57#include "net/url_request/url_request_job_factory_impl.h"
58#include "storage/browser/quota/special_storage_policy.h"
59
60namespace {
61
62net::BackendType ChooseCacheBackendType() {
63#if defined(OS_ANDROID)
64  return net::CACHE_BACKEND_SIMPLE;
65#else
66  const CommandLine& command_line = *CommandLine::ForCurrentProcess();
67  if (command_line.HasSwitch(switches::kUseSimpleCacheBackend)) {
68    const std::string opt_value =
69        command_line.GetSwitchValueASCII(switches::kUseSimpleCacheBackend);
70    if (LowerCaseEqualsASCII(opt_value, "off"))
71      return net::CACHE_BACKEND_BLOCKFILE;
72    if (opt_value == "" || LowerCaseEqualsASCII(opt_value, "on"))
73      return net::CACHE_BACKEND_SIMPLE;
74  }
75  const std::string experiment_name =
76      base::FieldTrialList::FindFullName("SimpleCacheTrial");
77  if (experiment_name == "ExperimentYes" ||
78      experiment_name == "ExperimentYes2") {
79    return net::CACHE_BACKEND_SIMPLE;
80  }
81  return net::CACHE_BACKEND_BLOCKFILE;
82#endif
83}
84
85}  // namespace
86
87using content::BrowserThread;
88using data_reduction_proxy::DataReductionProxyParams;
89
90ProfileImplIOData::Handle::Handle(Profile* profile)
91    : io_data_(new ProfileImplIOData),
92      profile_(profile),
93      initialized_(false) {
94  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
95  DCHECK(profile);
96}
97
98ProfileImplIOData::Handle::~Handle() {
99  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
100  io_data_->data_reduction_proxy_statistics_prefs()->WritePrefs();
101
102  if (io_data_->predictor_ != NULL) {
103    // io_data_->predictor_ might be NULL if Init() was never called
104    // (i.e. we shut down before ProfileImpl::DoFinalInit() got called).
105    bool save_prefs = true;
106#if defined(OS_CHROMEOS)
107    save_prefs = !chromeos::ProfileHelper::IsSigninProfile(profile_);
108#endif
109    if (save_prefs)
110      io_data_->predictor_->SaveStateForNextStartupAndTrim();
111    io_data_->predictor_->ShutdownOnUIThread();
112  }
113
114  if (io_data_->http_server_properties_manager_)
115    io_data_->http_server_properties_manager_->ShutdownOnPrefThread();
116
117  io_data_->ShutdownOnUIThread(GetAllContextGetters().Pass());
118}
119
120void ProfileImplIOData::Handle::Init(
121    const base::FilePath& cookie_path,
122    const base::FilePath& channel_id_path,
123    const base::FilePath& cache_path,
124    int cache_max_size,
125    const base::FilePath& media_cache_path,
126    int media_cache_max_size,
127    const base::FilePath& extensions_cookie_path,
128    const base::FilePath& profile_path,
129    const base::FilePath& infinite_cache_path,
130    chrome_browser_net::Predictor* predictor,
131    content::CookieStoreConfig::SessionCookieMode session_cookie_mode,
132    storage::SpecialStoragePolicy* special_storage_policy,
133    scoped_ptr<domain_reliability::DomainReliabilityMonitor>
134        domain_reliability_monitor,
135    const base::Callback<void(bool)>& data_reduction_proxy_unavailable,
136    scoped_ptr<DataReductionProxyChromeConfigurator>
137        data_reduction_proxy_chrome_configurator,
138    scoped_ptr<data_reduction_proxy::DataReductionProxyParams>
139        data_reduction_proxy_params,
140    scoped_ptr<data_reduction_proxy::DataReductionProxyStatisticsPrefs>
141        data_reduction_proxy_statistics_prefs) {
142  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
143  DCHECK(!io_data_->lazy_params_);
144  DCHECK(predictor);
145
146  LazyParams* lazy_params = new LazyParams();
147
148  lazy_params->cookie_path = cookie_path;
149  lazy_params->channel_id_path = channel_id_path;
150  lazy_params->cache_path = cache_path;
151  lazy_params->cache_max_size = cache_max_size;
152  lazy_params->media_cache_path = media_cache_path;
153  lazy_params->media_cache_max_size = media_cache_max_size;
154  lazy_params->extensions_cookie_path = extensions_cookie_path;
155  lazy_params->infinite_cache_path = infinite_cache_path;
156  lazy_params->session_cookie_mode = session_cookie_mode;
157  lazy_params->special_storage_policy = special_storage_policy;
158
159  io_data_->lazy_params_.reset(lazy_params);
160
161  // Keep track of profile path and cache sizes separately so we can use them
162  // on demand when creating storage isolated URLRequestContextGetters.
163  io_data_->profile_path_ = profile_path;
164  io_data_->app_cache_max_size_ = cache_max_size;
165  io_data_->app_media_cache_max_size_ = media_cache_max_size;
166
167  io_data_->predictor_.reset(predictor);
168  io_data_->domain_reliability_monitor_ = domain_reliability_monitor.Pass();
169
170  io_data_->InitializeMetricsEnabledStateOnUIThread();
171  if (io_data_->domain_reliability_monitor_)
172    io_data_->domain_reliability_monitor_->MoveToNetworkThread();
173
174  io_data_->set_data_reduction_proxy_unavailable_callback(
175      data_reduction_proxy_unavailable);
176  io_data_->set_data_reduction_proxy_chrome_configurator(
177      data_reduction_proxy_chrome_configurator.Pass());
178  io_data_->set_data_reduction_proxy_params(data_reduction_proxy_params.Pass());
179  io_data_->set_data_reduction_proxy_statistics_prefs(
180      data_reduction_proxy_statistics_prefs.Pass());
181}
182
183content::ResourceContext*
184    ProfileImplIOData::Handle::GetResourceContext() const {
185  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
186  LazyInitialize();
187  return GetResourceContextNoInit();
188}
189
190content::ResourceContext*
191ProfileImplIOData::Handle::GetResourceContextNoInit() const {
192  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
193  // Don't call LazyInitialize here, since the resource context is created at
194  // the beginning of initalization and is used by some members while they're
195  // being initialized (i.e. AppCacheService).
196  return io_data_->GetResourceContext();
197}
198
199scoped_refptr<ChromeURLRequestContextGetter>
200ProfileImplIOData::Handle::CreateMainRequestContextGetter(
201    content::ProtocolHandlerMap* protocol_handlers,
202    content::URLRequestInterceptorScopedVector request_interceptors,
203    PrefService* local_state,
204    IOThread* io_thread) const {
205  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
206  LazyInitialize();
207  DCHECK(!main_request_context_getter_.get());
208  main_request_context_getter_ = ChromeURLRequestContextGetter::Create(
209      profile_, io_data_, protocol_handlers, request_interceptors.Pass());
210
211  io_data_->predictor_
212      ->InitNetworkPredictor(profile_->GetPrefs(),
213                             local_state,
214                             io_thread,
215                             main_request_context_getter_.get(),
216                             io_data_);
217
218  content::NotificationService::current()->Notify(
219      chrome::NOTIFICATION_PROFILE_URL_REQUEST_CONTEXT_GETTER_INITIALIZED,
220      content::Source<Profile>(profile_),
221      content::NotificationService::NoDetails());
222  return main_request_context_getter_;
223}
224
225scoped_refptr<ChromeURLRequestContextGetter>
226ProfileImplIOData::Handle::GetMediaRequestContextGetter() const {
227  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
228  LazyInitialize();
229  if (!media_request_context_getter_.get()) {
230    media_request_context_getter_ =
231        ChromeURLRequestContextGetter::CreateForMedia(profile_, io_data_);
232  }
233  return media_request_context_getter_;
234}
235
236scoped_refptr<ChromeURLRequestContextGetter>
237ProfileImplIOData::Handle::GetExtensionsRequestContextGetter() const {
238  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
239  LazyInitialize();
240  if (!extensions_request_context_getter_.get()) {
241    extensions_request_context_getter_ =
242        ChromeURLRequestContextGetter::CreateForExtensions(profile_, io_data_);
243  }
244  return extensions_request_context_getter_;
245}
246
247scoped_refptr<ChromeURLRequestContextGetter>
248ProfileImplIOData::Handle::CreateIsolatedAppRequestContextGetter(
249    const base::FilePath& partition_path,
250    bool in_memory,
251    content::ProtocolHandlerMap* protocol_handlers,
252    content::URLRequestInterceptorScopedVector request_interceptors) const {
253  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
254  // Check that the partition_path is not the same as the base profile path. We
255  // expect isolated partition, which will never go to the default profile path.
256  CHECK(partition_path != profile_->GetPath());
257  LazyInitialize();
258
259  // Keep a map of request context getters, one per requested storage partition.
260  StoragePartitionDescriptor descriptor(partition_path, in_memory);
261  ChromeURLRequestContextGetterMap::iterator iter =
262      app_request_context_getter_map_.find(descriptor);
263  if (iter != app_request_context_getter_map_.end())
264    return iter->second;
265
266  scoped_ptr<ProtocolHandlerRegistry::JobInterceptorFactory>
267      protocol_handler_interceptor(
268          ProtocolHandlerRegistryFactory::GetForBrowserContext(profile_)->
269              CreateJobInterceptorFactory());
270  ChromeURLRequestContextGetter* context =
271      ChromeURLRequestContextGetter::CreateForIsolatedApp(
272          profile_,
273          io_data_,
274          descriptor,
275          protocol_handler_interceptor.Pass(),
276          protocol_handlers,
277          request_interceptors.Pass());
278  app_request_context_getter_map_[descriptor] = context;
279
280  return context;
281}
282
283scoped_refptr<ChromeURLRequestContextGetter>
284ProfileImplIOData::Handle::GetIsolatedMediaRequestContextGetter(
285    const base::FilePath& partition_path,
286    bool in_memory) const {
287  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
288  // We must have a non-default path, or this will act like the default media
289  // context.
290  CHECK(partition_path != profile_->GetPath());
291  LazyInitialize();
292
293  // Keep a map of request context getters, one per requested storage partition.
294  StoragePartitionDescriptor descriptor(partition_path, in_memory);
295  ChromeURLRequestContextGetterMap::iterator iter =
296      isolated_media_request_context_getter_map_.find(descriptor);
297  if (iter != isolated_media_request_context_getter_map_.end())
298    return iter->second;
299
300  // Get the app context as the starting point for the media context, so that
301  // it uses the app's cookie store.
302  ChromeURLRequestContextGetterMap::const_iterator app_iter =
303      app_request_context_getter_map_.find(descriptor);
304  DCHECK(app_iter != app_request_context_getter_map_.end());
305  ChromeURLRequestContextGetter* app_context = app_iter->second.get();
306  ChromeURLRequestContextGetter* context =
307      ChromeURLRequestContextGetter::CreateForIsolatedMedia(
308          profile_, app_context, io_data_, descriptor);
309  isolated_media_request_context_getter_map_[descriptor] = context;
310
311  return context;
312}
313
314DevToolsNetworkController*
315ProfileImplIOData::Handle::GetDevToolsNetworkController() const {
316  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
317  return io_data_->network_controller();
318}
319
320void ProfileImplIOData::Handle::ClearNetworkingHistorySince(
321    base::Time time,
322    const base::Closure& completion) {
323  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
324  LazyInitialize();
325
326  BrowserThread::PostTask(
327      BrowserThread::IO, FROM_HERE,
328      base::Bind(
329          &ProfileImplIOData::ClearNetworkingHistorySinceOnIOThread,
330          base::Unretained(io_data_),
331          time,
332          completion));
333}
334
335void ProfileImplIOData::Handle::LazyInitialize() const {
336  if (initialized_)
337    return;
338
339  // Set initialized_ to true at the beginning in case any of the objects
340  // below try to get the ResourceContext pointer.
341  initialized_ = true;
342  PrefService* pref_service = profile_->GetPrefs();
343  io_data_->http_server_properties_manager_ =
344      chrome_browser_net::HttpServerPropertiesManagerFactory::CreateManager(
345          pref_service);
346  io_data_->set_http_server_properties(
347      scoped_ptr<net::HttpServerProperties>(
348          io_data_->http_server_properties_manager_));
349  io_data_->session_startup_pref()->Init(
350      prefs::kRestoreOnStartup, pref_service);
351  io_data_->session_startup_pref()->MoveToThread(
352      BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO));
353#if defined(FULL_SAFE_BROWSING) || defined(MOBILE_SAFE_BROWSING)
354  io_data_->safe_browsing_enabled()->Init(prefs::kSafeBrowsingEnabled,
355      pref_service);
356  io_data_->safe_browsing_enabled()->MoveToThread(
357      BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO));
358#endif
359  io_data_->data_reduction_proxy_enabled()->Init(
360      data_reduction_proxy::prefs::kDataReductionProxyEnabled, pref_service);
361  io_data_->data_reduction_proxy_enabled()->MoveToThread(
362      BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO));
363  io_data_->InitializeOnUIThread(profile_);
364}
365
366scoped_ptr<ProfileIOData::ChromeURLRequestContextGetterVector>
367ProfileImplIOData::Handle::GetAllContextGetters() {
368  ChromeURLRequestContextGetterMap::iterator iter;
369  scoped_ptr<ChromeURLRequestContextGetterVector> context_getters(
370      new ChromeURLRequestContextGetterVector());
371
372  iter = isolated_media_request_context_getter_map_.begin();
373  for (; iter != isolated_media_request_context_getter_map_.end(); ++iter)
374    context_getters->push_back(iter->second);
375
376  iter = app_request_context_getter_map_.begin();
377  for (; iter != app_request_context_getter_map_.end(); ++iter)
378    context_getters->push_back(iter->second);
379
380  if (extensions_request_context_getter_.get())
381    context_getters->push_back(extensions_request_context_getter_);
382
383  if (media_request_context_getter_.get())
384    context_getters->push_back(media_request_context_getter_);
385
386  if (main_request_context_getter_.get())
387    context_getters->push_back(main_request_context_getter_);
388
389  return context_getters.Pass();
390}
391
392ProfileImplIOData::LazyParams::LazyParams()
393    : cache_max_size(0),
394      media_cache_max_size(0),
395      session_cookie_mode(
396          content::CookieStoreConfig::EPHEMERAL_SESSION_COOKIES) {}
397
398ProfileImplIOData::LazyParams::~LazyParams() {}
399
400ProfileImplIOData::ProfileImplIOData()
401    : ProfileIOData(Profile::REGULAR_PROFILE),
402      http_server_properties_manager_(NULL),
403      app_cache_max_size_(0),
404      app_media_cache_max_size_(0) {
405}
406
407ProfileImplIOData::~ProfileImplIOData() {
408  if (initialized())
409    network_delegate()->set_domain_reliability_monitor(NULL);
410
411  DestroyResourceContext();
412
413  if (media_request_context_)
414    media_request_context_->AssertNoURLRequests();
415}
416
417void ProfileImplIOData::InitializeInternal(
418    ProfileParams* profile_params,
419    content::ProtocolHandlerMap* protocol_handlers,
420    content::URLRequestInterceptorScopedVector request_interceptors) const {
421  net::URLRequestContext* main_context = main_request_context();
422
423  IOThread* const io_thread = profile_params->io_thread;
424  IOThread::Globals* const io_thread_globals = io_thread->globals();
425
426  set_data_reduction_proxy_auth_request_handler(
427      scoped_ptr<data_reduction_proxy::DataReductionProxyAuthRequestHandler>
428          (new data_reduction_proxy::DataReductionProxyAuthRequestHandler(
429              DataReductionProxyChromeSettings::GetClient(),
430              data_reduction_proxy_params(),
431              BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO))));
432  set_data_reduction_proxy_usage_stats(
433      scoped_ptr<data_reduction_proxy::DataReductionProxyUsageStats>
434          (new data_reduction_proxy::DataReductionProxyUsageStats(
435              data_reduction_proxy_params(),
436              BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI)
437                  .get())));
438  data_reduction_proxy_usage_stats()->set_unavailable_callback(
439      data_reduction_proxy_unavailable_callback());
440
441  network_delegate()->set_data_reduction_proxy_params(
442      data_reduction_proxy_params());
443  network_delegate()->set_data_reduction_proxy_usage_stats(
444      data_reduction_proxy_usage_stats());
445  network_delegate()->set_data_reduction_proxy_auth_request_handler(
446      data_reduction_proxy_auth_request_handler());
447  network_delegate()->set_data_reduction_proxy_statistics_prefs(
448      data_reduction_proxy_statistics_prefs());
449  network_delegate()->set_on_resolve_proxy_handler(
450      base::Bind(data_reduction_proxy::OnResolveProxyHandler));
451  network_delegate()->set_proxy_config_getter(
452      base::Bind(
453          &DataReductionProxyChromeConfigurator::GetProxyConfigOnIO,
454          base::Unretained(data_reduction_proxy_chrome_configurator())));
455  network_delegate()->set_predictor(predictor_.get());
456
457  // Initialize context members.
458
459  ApplyProfileParamsToContext(main_context);
460
461  if (http_server_properties_manager_)
462    http_server_properties_manager_->InitializeOnNetworkThread();
463
464  main_context->set_transport_security_state(transport_security_state());
465
466  main_context->set_net_log(io_thread->net_log());
467
468  main_context->set_network_delegate(network_delegate());
469
470  main_context->set_http_server_properties(http_server_properties());
471
472  main_context->set_host_resolver(
473      io_thread_globals->host_resolver.get());
474  main_context->set_cert_transparency_verifier(
475      io_thread_globals->cert_transparency_verifier.get());
476  main_context->set_http_auth_handler_factory(
477      io_thread_globals->http_auth_handler_factory.get());
478
479  main_context->set_fraudulent_certificate_reporter(
480      fraudulent_certificate_reporter());
481
482  main_context->set_throttler_manager(
483      io_thread_globals->throttler_manager.get());
484
485  main_context->set_proxy_service(proxy_service());
486
487  scoped_refptr<net::CookieStore> cookie_store = NULL;
488  net::ChannelIDService* channel_id_service = NULL;
489  if (chrome_browser_net::ShouldUseInMemoryCookiesAndCache()) {
490    // Don't use existing cookies and use an in-memory store.
491    using content::CookieStoreConfig;
492    cookie_store = content::CreateCookieStore(CookieStoreConfig(
493        base::FilePath(),
494        CookieStoreConfig::EPHEMERAL_SESSION_COOKIES,
495        NULL,
496        profile_params->cookie_monster_delegate.get()));
497    // Don't use existing channel ids and use an in-memory store.
498    channel_id_service = new net::ChannelIDService(
499        new net::DefaultChannelIDStore(NULL),
500        base::WorkerPool::GetTaskRunner(true));
501  }
502
503
504  // setup cookie store
505  if (!cookie_store.get()) {
506    DCHECK(!lazy_params_->cookie_path.empty());
507
508    content::CookieStoreConfig cookie_config(
509        lazy_params_->cookie_path,
510        lazy_params_->session_cookie_mode,
511        lazy_params_->special_storage_policy.get(),
512        profile_params->cookie_monster_delegate.get());
513    cookie_config.crypto_delegate =
514      chrome_browser_net::GetCookieCryptoDelegate();
515    cookie_store = content::CreateCookieStore(cookie_config);
516  }
517
518  main_context->set_cookie_store(cookie_store.get());
519
520  // Setup server bound cert service.
521  if (!channel_id_service) {
522    DCHECK(!lazy_params_->channel_id_path.empty());
523
524    scoped_refptr<QuotaPolicyChannelIDStore> channel_id_db =
525        new QuotaPolicyChannelIDStore(
526            lazy_params_->channel_id_path,
527            BrowserThread::GetBlockingPool()->GetSequencedTaskRunner(
528                BrowserThread::GetBlockingPool()->GetSequenceToken()),
529            lazy_params_->special_storage_policy.get());
530    channel_id_service = new net::ChannelIDService(
531        new net::DefaultChannelIDStore(channel_id_db.get()),
532        base::WorkerPool::GetTaskRunner(true));
533  }
534
535  set_channel_id_service(channel_id_service);
536  main_context->set_channel_id_service(channel_id_service);
537
538  net::HttpCache::DefaultBackend* main_backend =
539      new net::HttpCache::DefaultBackend(
540          net::DISK_CACHE,
541          ChooseCacheBackendType(),
542          lazy_params_->cache_path,
543          lazy_params_->cache_max_size,
544          BrowserThread::GetMessageLoopProxyForThread(BrowserThread::CACHE));
545  scoped_ptr<net::HttpCache> main_cache = CreateMainHttpFactory(
546      profile_params, main_backend);
547  main_cache->InitializeInfiniteCache(lazy_params_->infinite_cache_path);
548
549  if (chrome_browser_net::ShouldUseInMemoryCookiesAndCache()) {
550    main_cache->set_mode(
551        chrome_browser_net::IsCookieRecordMode() ?
552        net::HttpCache::RECORD : net::HttpCache::PLAYBACK);
553  }
554
555  main_http_factory_.reset(main_cache.release());
556  main_context->set_http_transaction_factory(main_http_factory_.get());
557
558#if !defined(DISABLE_FTP_SUPPORT)
559  ftp_factory_.reset(
560      new net::FtpNetworkLayer(io_thread_globals->host_resolver.get()));
561#endif  // !defined(DISABLE_FTP_SUPPORT)
562
563  scoped_ptr<net::URLRequestJobFactoryImpl> main_job_factory(
564      new net::URLRequestJobFactoryImpl());
565  InstallProtocolHandlers(main_job_factory.get(), protocol_handlers);
566  main_job_factory_ = SetUpJobFactoryDefaults(
567      main_job_factory.Pass(),
568      request_interceptors.Pass(),
569      profile_params->protocol_handler_interceptor.Pass(),
570      network_delegate(),
571      ftp_factory_.get());
572  main_context->set_job_factory(main_job_factory_.get());
573
574#if defined(ENABLE_EXTENSIONS)
575  InitializeExtensionsRequestContext(profile_params);
576#endif
577
578  // Setup the SDCHManager for this profile.
579  sdch_manager_.reset(new net::SdchManager);
580  sdch_manager_->set_sdch_fetcher(scoped_ptr<net::SdchFetcher>(
581      new net::SdchDictionaryFetcher(sdch_manager_.get(),
582                                     main_context)).Pass());
583  main_context->set_sdch_manager(sdch_manager_.get());
584
585  // Create a media request context based on the main context, but using a
586  // media cache.  It shares the same job factory as the main context.
587  StoragePartitionDescriptor details(profile_path_, false);
588  media_request_context_.reset(InitializeMediaRequestContext(main_context,
589                                                             details));
590
591  if (domain_reliability_monitor_) {
592    domain_reliability::DomainReliabilityMonitor* monitor =
593        domain_reliability_monitor_.get();
594    monitor->InitURLRequestContext(main_context);
595    monitor->AddBakedInConfigs();
596    monitor->SetDiscardUploads(!GetMetricsEnabledStateOnIOThread());
597    network_delegate()->set_domain_reliability_monitor(monitor);
598  }
599
600  lazy_params_.reset();
601}
602
603void ProfileImplIOData::
604    InitializeExtensionsRequestContext(ProfileParams* profile_params) const {
605  net::URLRequestContext* extensions_context = extensions_request_context();
606  IOThread* const io_thread = profile_params->io_thread;
607  IOThread::Globals* const io_thread_globals = io_thread->globals();
608  ApplyProfileParamsToContext(extensions_context);
609
610  extensions_context->set_transport_security_state(transport_security_state());
611
612  extensions_context->set_net_log(io_thread->net_log());
613
614  extensions_context->set_throttler_manager(
615      io_thread_globals->throttler_manager.get());
616
617  content::CookieStoreConfig cookie_config(
618      lazy_params_->extensions_cookie_path,
619      lazy_params_->session_cookie_mode,
620      NULL, NULL);
621  cookie_config.crypto_delegate =
622      chrome_browser_net::GetCookieCryptoDelegate();
623  net::CookieStore* extensions_cookie_store =
624      content::CreateCookieStore(cookie_config);
625  // Enable cookies for devtools and extension URLs.
626  const char* const schemes[] = {
627      content::kChromeDevToolsScheme,
628      extensions::kExtensionScheme
629  };
630  extensions_cookie_store->GetCookieMonster()->SetCookieableSchemes(
631      schemes, arraysize(schemes));
632  extensions_context->set_cookie_store(extensions_cookie_store);
633
634  scoped_ptr<net::URLRequestJobFactoryImpl> extensions_job_factory(
635      new net::URLRequestJobFactoryImpl());
636  // TODO(shalev): The extensions_job_factory has a NULL NetworkDelegate.
637  // Without a network_delegate, this protocol handler will never
638  // handle file: requests, but as a side effect it makes
639  // job_factory::IsHandledProtocol return true, which prevents attempts to
640  // handle the protocol externally. We pass NULL in to
641  // SetUpJobFactory() to get this effect.
642  extensions_job_factory_ = SetUpJobFactoryDefaults(
643      extensions_job_factory.Pass(),
644      content::URLRequestInterceptorScopedVector(),
645      scoped_ptr<ProtocolHandlerRegistry::JobInterceptorFactory>(),
646      NULL,
647      ftp_factory_.get());
648  extensions_context->set_job_factory(extensions_job_factory_.get());
649}
650
651net::URLRequestContext* ProfileImplIOData::InitializeAppRequestContext(
652    net::URLRequestContext* main_context,
653    const StoragePartitionDescriptor& partition_descriptor,
654    scoped_ptr<ProtocolHandlerRegistry::JobInterceptorFactory>
655        protocol_handler_interceptor,
656    content::ProtocolHandlerMap* protocol_handlers,
657    content::URLRequestInterceptorScopedVector request_interceptors) const {
658  // Copy most state from the main context.
659  AppRequestContext* context = new AppRequestContext();
660  context->CopyFrom(main_context);
661
662  base::FilePath cookie_path = partition_descriptor.path.Append(
663      chrome::kCookieFilename);
664  base::FilePath cache_path =
665      partition_descriptor.path.Append(chrome::kCacheDirname);
666
667  // Use a separate HTTP disk cache for isolated apps.
668  net::HttpCache::BackendFactory* app_backend = NULL;
669  if (partition_descriptor.in_memory) {
670    app_backend = net::HttpCache::DefaultBackend::InMemory(0);
671  } else {
672    app_backend = new net::HttpCache::DefaultBackend(
673        net::DISK_CACHE,
674        ChooseCacheBackendType(),
675        cache_path,
676        app_cache_max_size_,
677        BrowserThread::GetMessageLoopProxyForThread(BrowserThread::CACHE));
678  }
679  net::HttpNetworkSession* main_network_session =
680      main_http_factory_->GetSession();
681  scoped_ptr<net::HttpCache> app_http_cache =
682      CreateHttpFactory(main_network_session, app_backend);
683
684  scoped_refptr<net::CookieStore> cookie_store = NULL;
685  if (partition_descriptor.in_memory) {
686    cookie_store = content::CreateCookieStore(content::CookieStoreConfig());
687  } else if (chrome_browser_net::ShouldUseInMemoryCookiesAndCache()) {
688    // Don't use existing cookies and use an in-memory store.
689    // TODO(creis): We should have a cookie delegate for notifying the cookie
690    // extensions API, but we need to update it to understand isolated apps
691    // first.
692    cookie_store = content::CreateCookieStore(content::CookieStoreConfig());
693    app_http_cache->set_mode(
694        chrome_browser_net::IsCookieRecordMode() ?
695        net::HttpCache::RECORD : net::HttpCache::PLAYBACK);
696  }
697
698  // Use an app-specific cookie store.
699  if (!cookie_store.get()) {
700    DCHECK(!cookie_path.empty());
701
702    // TODO(creis): We should have a cookie delegate for notifying the cookie
703    // extensions API, but we need to update it to understand isolated apps
704    // first.
705    content::CookieStoreConfig cookie_config(
706        cookie_path,
707        content::CookieStoreConfig::EPHEMERAL_SESSION_COOKIES,
708        NULL, NULL);
709    cookie_config.crypto_delegate =
710      chrome_browser_net::GetCookieCryptoDelegate();
711    cookie_store = content::CreateCookieStore(cookie_config);
712  }
713
714  // Transfer ownership of the cookies and cache to AppRequestContext.
715  context->SetCookieStore(cookie_store.get());
716  context->SetHttpTransactionFactory(
717      scoped_ptr<net::HttpTransactionFactory>(
718          app_http_cache.PassAs<net::HttpTransactionFactory>()));
719
720  scoped_ptr<net::URLRequestJobFactoryImpl> job_factory(
721      new net::URLRequestJobFactoryImpl());
722  InstallProtocolHandlers(job_factory.get(), protocol_handlers);
723  scoped_ptr<net::URLRequestJobFactory> top_job_factory(
724      SetUpJobFactoryDefaults(job_factory.Pass(),
725                              request_interceptors.Pass(),
726                              protocol_handler_interceptor.Pass(),
727                              network_delegate(),
728                              ftp_factory_.get()));
729  context->SetJobFactory(top_job_factory.Pass());
730
731  return context;
732}
733
734net::URLRequestContext*
735ProfileImplIOData::InitializeMediaRequestContext(
736    net::URLRequestContext* original_context,
737    const StoragePartitionDescriptor& partition_descriptor) const {
738  // Copy most state from the original context.
739  MediaRequestContext* context = new MediaRequestContext();
740  context->CopyFrom(original_context);
741
742  // For in-memory context, return immediately after creating the new
743  // context before attaching a separate cache. It is important to return
744  // a new context rather than just reusing |original_context| because
745  // the caller expects to take ownership of the pointer.
746  if (partition_descriptor.in_memory)
747    return context;
748
749  using content::StoragePartition;
750  base::FilePath cache_path;
751  int cache_max_size = app_media_cache_max_size_;
752  if (partition_descriptor.path == profile_path_) {
753    // lazy_params_ is only valid for the default media context creation.
754    cache_path = lazy_params_->media_cache_path;
755    cache_max_size = lazy_params_->media_cache_max_size;
756  } else {
757    cache_path = partition_descriptor.path.Append(chrome::kMediaCacheDirname);
758  }
759
760  // Use a separate HTTP disk cache for isolated apps.
761  net::HttpCache::BackendFactory* media_backend =
762      new net::HttpCache::DefaultBackend(
763          net::MEDIA_CACHE,
764          ChooseCacheBackendType(),
765          cache_path,
766          cache_max_size,
767          BrowserThread::GetMessageLoopProxyForThread(BrowserThread::CACHE));
768  net::HttpNetworkSession* main_network_session =
769      main_http_factory_->GetSession();
770  scoped_ptr<net::HttpCache> media_http_cache =
771      CreateHttpFactory(main_network_session, media_backend);
772
773  // Transfer ownership of the cache to MediaRequestContext.
774  context->SetHttpTransactionFactory(
775      media_http_cache.PassAs<net::HttpTransactionFactory>());
776
777  // Note that we do not create a new URLRequestJobFactory because
778  // the media context should behave exactly like its parent context
779  // in all respects except for cache behavior on media subresources.
780  // The CopyFrom() step above means that our media context will use
781  // the same URLRequestJobFactory instance that our parent context does.
782
783  return context;
784}
785
786net::URLRequestContext*
787ProfileImplIOData::AcquireMediaRequestContext() const {
788  DCHECK(media_request_context_);
789  return media_request_context_.get();
790}
791
792net::URLRequestContext* ProfileImplIOData::AcquireIsolatedAppRequestContext(
793    net::URLRequestContext* main_context,
794    const StoragePartitionDescriptor& partition_descriptor,
795    scoped_ptr<ProtocolHandlerRegistry::JobInterceptorFactory>
796        protocol_handler_interceptor,
797    content::ProtocolHandlerMap* protocol_handlers,
798    content::URLRequestInterceptorScopedVector request_interceptors) const {
799  // We create per-app contexts on demand, unlike the others above.
800  net::URLRequestContext* app_request_context =
801      InitializeAppRequestContext(main_context,
802                                  partition_descriptor,
803                                  protocol_handler_interceptor.Pass(),
804                                  protocol_handlers,
805                                  request_interceptors.Pass());
806  DCHECK(app_request_context);
807  return app_request_context;
808}
809
810net::URLRequestContext*
811ProfileImplIOData::AcquireIsolatedMediaRequestContext(
812    net::URLRequestContext* app_context,
813    const StoragePartitionDescriptor& partition_descriptor) const {
814  // We create per-app media contexts on demand, unlike the others above.
815  net::URLRequestContext* media_request_context =
816      InitializeMediaRequestContext(app_context, partition_descriptor);
817  DCHECK(media_request_context);
818  return media_request_context;
819}
820
821void ProfileImplIOData::ClearNetworkingHistorySinceOnIOThread(
822    base::Time time,
823    const base::Closure& completion) {
824  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
825  DCHECK(initialized());
826
827  DCHECK(transport_security_state());
828  // Completes synchronously.
829  transport_security_state()->DeleteAllDynamicDataSince(time);
830  DCHECK(http_server_properties_manager_);
831  http_server_properties_manager_->Clear(completion);
832}
833