text: // Copyright (c) 2012 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 "content/shell/shell_url_request_context_getter.h"
  
  #include "base/command_line.h"
  #include "base/logging.h"
  #include "base/string_number_conversions.h"
  #include "base/string_split.h"
  #include "base/threading/worker_pool.h"
  #include "content/public/browser/browser_thread.h"
  #include "content/public/common/content_switches.h"
  #include "content/shell/shell_network_delegate.h"
  #include "net/base/cert_verifier.h"
  #include "net/base/default_server_bound_cert_store.h"
  #include "net/base/host_resolver.h"
  #include "net/base/mapped_host_resolver.h"
  #include "net/base/server_bound_cert_service.h"
  #include "net/base/ssl_config_service_defaults.h"
  #include "net/cookies/cookie_monster.h"
  #include "net/http/http_auth_handler_factory.h"
  #include "net/http/http_cache.h"
  #include "net/http/http_network_session.h"
  #include "net/http/http_server_properties_impl.h"
  #include "net/proxy/proxy_service.h"
  #include "net/url_request/url_request_context.h"
  #include "net/url_request/url_request_context_storage.h"
  #include "net/url_request/url_request_job_factory_impl.h"
  
  namespace content {
  
  ShellURLRequestContextGetter::ShellURLRequestContextGetter(
      bool ignore_certificate_errors,
      const FilePath& base_path,
      MessageLoop* io_loop,
      MessageLoop* file_loop)
      : ignore_certificate_errors_(ignore_certificate_errors),
        base_path_(base_path),
        io_loop_(io_loop),
        file_loop_(file_loop) {
    // Must first be created on the UI thread.
    DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
  
    // We must create the proxy config service on the UI loop on Linux because it
    // must synchronously run on the glib message loop. This will be passed to
    // the URLRequestContextStorage on the IO thread in GetURLRequestContext().
    proxy_config_service_.reset(
        net::ProxyService::CreateSystemProxyConfigService(
            io_loop_->message_loop_proxy(), file_loop_));
  }
  
  ShellURLRequestContextGetter::~ShellURLRequestContextGetter() {
  }
  
  net::URLRequestContext* ShellURLRequestContextGetter::GetURLRequestContext() {
    DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
  
    if (!url_request_context_.get()) {
      const CommandLine& command_line = *CommandLine::ForCurrentProcess();
  
      url_request_context_.reset(new net::URLRequestContext());
      network_delegate_.reset(new ShellNetworkDelegate);
      url_request_context_->set_network_delegate(network_delegate_.get());
      storage_.reset(
          new net::URLRequestContextStorage(url_request_context_.get()));
      storage_->set_cookie_store(new net::CookieMonster(NULL, NULL));
      storage_->set_server_bound_cert_service(new net::ServerBoundCertService(
          new net::DefaultServerBoundCertStore(NULL),
          base::WorkerPool::GetTaskRunner(true)));
      url_request_context_->set_accept_language("en-us,en");
      url_request_context_->set_accept_charset("iso-8859-1,*,utf-8");
  
      scoped_ptr<net::HostResolver> host_resolver(
          net::HostResolver::CreateDefaultResolver(NULL));
  
      storage_->set_cert_verifier(net::CertVerifier::CreateDefault());
      // TODO(jam): use v8 if possible, look at chrome code.
      storage_->set_proxy_service(
          net::ProxyService::CreateUsingSystemProxyResolver(
          proxy_config_service_.release(),
          0,
          NULL));
      storage_->set_ssl_config_service(new net::SSLConfigServiceDefaults);
      storage_->set_http_auth_handler_factory(
          net::HttpAuthHandlerFactory::CreateDefault(host_resolver.get()));
      storage_->set_http_server_properties(new net::HttpServerPropertiesImpl);
  
      FilePath cache_path = base_path_.Append(FILE_PATH_LITERAL("Cache"));
      net::HttpCache::DefaultBackend* main_backend =
          new net::HttpCache::DefaultBackend(
              net::DISK_CACHE,
              cache_path,
              0,
              BrowserThread::GetMessageLoopProxyForThread(
                  BrowserThread::CACHE));
  
      net::HttpNetworkSession::Params network_session_params;
      network_session_params.cert_verifier =
          url_request_context_->cert_verifier();
      network_session_params.server_bound_cert_service =
          url_request_context_->server_bound_cert_service();
      network_session_params.proxy_service =
          url_request_context_->proxy_service();
      network_session_params.ssl_config_service =
          url_request_context_->ssl_config_service();
      network_session_params.http_auth_handler_factory =
          url_request_context_->http_auth_handler_factory();
      network_session_params.network_delegate =
          url_request_context_->network_delegate();
      network_session_params.http_server_properties =
          url_request_context_->http_server_properties();
      network_session_params.ignore_certificate_errors =
          ignore_certificate_errors_;
      if (command_line.HasSwitch(switches::kTestingFixedHttpPort)) {
        int value;
        base::StringToInt(command_line.GetSwitchValueASCII(
            switches::kTestingFixedHttpPort), &value);
        network_session_params.testing_fixed_http_port = value;
      }
      if (command_line.HasSwitch(switches::kTestingFixedHttpsPort)) {
        int value;
        base::StringToInt(command_line.GetSwitchValueASCII(
            switches::kTestingFixedHttpsPort), &value);
        network_session_params.testing_fixed_https_port = value;
      }
      if (command_line.HasSwitch(switches::kHostResolverRules)) {
        scoped_ptr<net::MappedHostResolver> mapped_host_resolver(
            new net::MappedHostResolver(host_resolver.Pass()));
        mapped_host_resolver->SetRulesFromString(
            command_line.GetSwitchValueASCII(switches::kHostResolverRules));
        host_resolver = mapped_host_resolver.Pass();
      }
  
      // Give |storage_| ownership at the end in case it's |mapped_host_resolver|.
      storage_->set_host_resolver(host_resolver.Pass());
      network_session_params.host_resolver =
          url_request_context_->host_resolver();
  
      net::HttpCache* main_cache = new net::HttpCache(
          network_session_params, main_backend);
      storage_->set_http_transaction_factory(main_cache);
  
      storage_->set_job_factory(new net::URLRequestJobFactoryImpl);
    }
  
    return url_request_context_.get();
  }
  
  scoped_refptr<base::SingleThreadTaskRunner>
      ShellURLRequestContextGetter::GetNetworkTaskRunner() const {
    return BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO);
  }
  
  net::HostResolver* ShellURLRequestContextGetter::host_resolver() {
    return url_request_context_->host_resolver();
  }
  
  }  // namespace content
  