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/net/proxy_service_factory.h" 6 7#include "base/command_line.h" 8#include "base/strings/string_number_conversions.h" 9#include "base/threading/thread.h" 10#include "chrome/browser/browser_process.h" 11#include "chrome/browser/io_thread.h" 12#include "chrome/browser/net/pref_proxy_config_tracker_impl.h" 13#include "chrome/common/chrome_switches.h" 14#include "chrome/common/pref_names.h" 15#include "content/public/browser/browser_thread.h" 16#include "net/base/net_log.h" 17#include "net/proxy/dhcp_proxy_script_fetcher_factory.h" 18#include "net/proxy/proxy_config_service.h" 19#include "net/proxy/proxy_script_fetcher_impl.h" 20#include "net/proxy/proxy_service.h" 21#include "net/proxy/proxy_service_v8.h" 22#include "net/url_request/url_request_context.h" 23 24#if defined(OS_CHROMEOS) 25#include "chrome/browser/chromeos/proxy_config_service_impl.h" 26#include "chromeos/network/dhcp_proxy_script_fetcher_chromeos.h" 27#endif // defined(OS_CHROMEOS) 28 29#if !defined(OS_IOS) 30#include "net/proxy/proxy_resolver_v8.h" 31#endif 32 33using content::BrowserThread; 34 35// static 36net::ProxyConfigService* ProxyServiceFactory::CreateProxyConfigService( 37 PrefProxyConfigTracker* tracker) { 38 // The linux gconf-based proxy settings getter relies on being initialized 39 // from the UI thread. 40 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); 41 42 scoped_ptr<net::ProxyConfigService> base_service; 43 44#if !defined(OS_CHROMEOS) 45 // On ChromeOS, base service is NULL; chromeos::ProxyConfigServiceImpl 46 // determines the effective proxy config to take effect in the network layer, 47 // be it from prefs or system (which is network shill on chromeos). 48 49 // For other platforms, create a baseline service that provides proxy 50 // configuration in case nothing is configured through prefs (Note: prefs 51 // include command line and configuration policy). 52 53 // TODO(port): the IO and FILE message loops are only used by Linux. Can 54 // that code be moved to chrome/browser instead of being in net, so that it 55 // can use BrowserThread instead of raw MessageLoop pointers? See bug 25354. 56 base_service.reset(net::ProxyService::CreateSystemProxyConfigService( 57 BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO), 58 BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE))); 59#endif // !defined(OS_CHROMEOS) 60 61 return tracker->CreateTrackingProxyConfigService(base_service.Pass()) 62 .release(); 63} 64 65// static 66PrefProxyConfigTracker* 67ProxyServiceFactory::CreatePrefProxyConfigTrackerOfProfile( 68 PrefService* profile_prefs, 69 PrefService* local_state_prefs) { 70#if defined(OS_CHROMEOS) 71 return new chromeos::ProxyConfigServiceImpl(profile_prefs, local_state_prefs); 72#else 73 return new PrefProxyConfigTrackerImpl(profile_prefs); 74#endif // defined(OS_CHROMEOS) 75} 76 77// static 78PrefProxyConfigTracker* 79ProxyServiceFactory::CreatePrefProxyConfigTrackerOfLocalState( 80 PrefService* local_state_prefs) { 81#if defined(OS_CHROMEOS) 82 return new chromeos::ProxyConfigServiceImpl(NULL, local_state_prefs); 83#else 84 return new PrefProxyConfigTrackerImpl(local_state_prefs); 85#endif // defined(OS_CHROMEOS) 86} 87 88// static 89net::ProxyService* ProxyServiceFactory::CreateProxyService( 90 net::NetLog* net_log, 91 net::URLRequestContext* context, 92 net::NetworkDelegate* network_delegate, 93 net::ProxyConfigService* proxy_config_service, 94 const CommandLine& command_line, 95 bool quick_check_enabled) { 96 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); 97 98#if defined(OS_IOS) 99 bool use_v8 = false; 100#else 101 bool use_v8 = !command_line.HasSwitch(switches::kWinHttpProxyResolver); 102 if (use_v8 && command_line.HasSwitch(switches::kSingleProcess)) { 103 // See the note about V8 multithreading in net/proxy/proxy_resolver_v8.h 104 // to understand why we have this limitation. 105 LOG(ERROR) << "Cannot use V8 Proxy resolver in single process mode."; 106 use_v8 = false; // Fallback to non-v8 implementation. 107 } 108#endif // defined(OS_IOS) 109 110 size_t num_pac_threads = 0u; // Use default number of threads. 111 112 // Check the command line for an override on the number of proxy resolver 113 // threads to use. 114 if (command_line.HasSwitch(switches::kNumPacThreads)) { 115 std::string s = command_line.GetSwitchValueASCII(switches::kNumPacThreads); 116 117 // Parse the switch (it should be a positive integer formatted as decimal). 118 int n; 119 if (base::StringToInt(s, &n) && n > 0) { 120 num_pac_threads = static_cast<size_t>(n); 121 } else { 122 LOG(ERROR) << "Invalid switch for number of PAC threads: " << s; 123 } 124 } 125 126 net::ProxyService* proxy_service = NULL; 127 if (use_v8) { 128#if defined(OS_IOS) 129 NOTREACHED(); 130#else 131 net::ProxyResolverV8::EnsureIsolateCreated(); 132 133 net::DhcpProxyScriptFetcher* dhcp_proxy_script_fetcher; 134#if defined(OS_CHROMEOS) 135 dhcp_proxy_script_fetcher = 136 new chromeos::DhcpProxyScriptFetcherChromeos(context); 137#else 138 net::DhcpProxyScriptFetcherFactory dhcp_factory; 139 dhcp_proxy_script_fetcher = dhcp_factory.Create(context); 140#endif 141 142 proxy_service = net::CreateProxyServiceUsingV8ProxyResolver( 143 proxy_config_service, 144 new net::ProxyScriptFetcherImpl(context), 145 dhcp_proxy_script_fetcher, 146 context->host_resolver(), 147 net_log, 148 network_delegate); 149#endif // defined(OS_IOS) 150 } else { 151 proxy_service = net::ProxyService::CreateUsingSystemProxyResolver( 152 proxy_config_service, 153 num_pac_threads, 154 net_log); 155 } 156 157 proxy_service->set_quick_check_enabled(quick_check_enabled); 158 159 return proxy_service; 160} 161