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 "content/public/browser/browser_thread.h" 15 #include "net/base/net_log.h" 16 #include "net/proxy/dhcp_proxy_script_fetcher_factory.h" 17 #include "net/proxy/proxy_config_service.h" 18 #include "net/proxy/proxy_script_fetcher_impl.h" 19 #include "net/proxy/proxy_service.h" 20 #include "net/proxy/proxy_service_v8.h" 21 #include "net/url_request/url_request_context.h" 22 23 #if defined(OS_CHROMEOS) 24 #include "chrome/browser/chromeos/proxy_config_service_impl.h" 25 #include "chromeos/network/dhcp_proxy_script_fetcher_chromeos.h" 26 #endif // defined(OS_CHROMEOS) 27 28 #if defined(OS_WIN) 29 #include "win8/util/win8_util.h" 30 #endif 31 32 using content::BrowserThread; 33 34 // static 35 net::ProxyConfigService* ProxyServiceFactory::CreateProxyConfigService( 36 PrefProxyConfigTracker* tracker) { 37 // The linux gconf-based proxy settings getter relies on being initialized 38 // from the UI thread. 39 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); 40 41 scoped_ptr<net::ProxyConfigService> base_service; 42 43 #if !defined(OS_CHROMEOS) 44 // On ChromeOS, base service is NULL; chromeos::ProxyConfigServiceImpl 45 // determines the effective proxy config to take effect in the network layer, 46 // be it from prefs or system (which is network shill on chromeos). 47 48 // For other platforms, create a baseline service that provides proxy 49 // configuration in case nothing is configured through prefs (Note: prefs 50 // include command line and configuration policy). 51 52 // TODO(port): the IO and FILE message loops are only used by Linux. Can 53 // that code be moved to chrome/browser instead of being in net, so that it 54 // can use BrowserThread instead of raw MessageLoop pointers? See bug 25354. 55 base_service.reset(net::ProxyService::CreateSystemProxyConfigService( 56 BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO).get(), 57 BrowserThread::UnsafeGetMessageLoopForThread(BrowserThread::FILE))); 58 #endif // !defined(OS_CHROMEOS) 59 60 return tracker->CreateTrackingProxyConfigService(base_service.Pass()) 61 .release(); 62 } 63 64 // static 65 PrefProxyConfigTracker* 66 ProxyServiceFactory::CreatePrefProxyConfigTrackerOfProfile( 67 PrefService* profile_prefs, 68 PrefService* local_state_prefs) { 69 #if defined(OS_CHROMEOS) 70 return new chromeos::ProxyConfigServiceImpl(profile_prefs, local_state_prefs); 71 #else 72 return new PrefProxyConfigTrackerImpl(profile_prefs); 73 #endif // defined(OS_CHROMEOS) 74 } 75 76 // static 77 PrefProxyConfigTracker* 78 ProxyServiceFactory::CreatePrefProxyConfigTrackerOfLocalState( 79 PrefService* local_state_prefs) { 80 #if defined(OS_CHROMEOS) 81 return new chromeos::ProxyConfigServiceImpl(NULL, local_state_prefs); 82 #else 83 return new PrefProxyConfigTrackerImpl(local_state_prefs); 84 #endif // defined(OS_CHROMEOS) 85 } 86 87 // static 88 net::ProxyService* ProxyServiceFactory::CreateProxyService( 89 net::NetLog* net_log, 90 net::URLRequestContext* context, 91 net::NetworkDelegate* network_delegate, 92 net::ProxyConfigService* proxy_config_service, 93 const CommandLine& command_line) { 94 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); 95 96 #if defined(OS_IOS) 97 bool use_v8 = false; 98 #else 99 bool use_v8 = !command_line.HasSwitch(switches::kWinHttpProxyResolver); 100 if (use_v8 && command_line.HasSwitch(switches::kSingleProcess)) { 101 // See the note about V8 multithreading in net/proxy/proxy_resolver_v8.h 102 // to understand why we have this limitation. 103 LOG(ERROR) << "Cannot use V8 Proxy resolver in single process mode."; 104 use_v8 = false; // Fallback to non-v8 implementation. 105 } 106 #endif // defined(OS_IOS) 107 108 #if defined(OS_WIN) 109 // Crashes. http://crbug.com/266838 110 if (use_v8 && win8::IsSingleWindowMetroMode()) 111 use_v8 = false; 112 #endif 113 114 size_t num_pac_threads = 0u; // Use default number of threads. 115 116 // Check the command line for an override on the number of proxy resolver 117 // threads to use. 118 if (command_line.HasSwitch(switches::kNumPacThreads)) { 119 std::string s = command_line.GetSwitchValueASCII(switches::kNumPacThreads); 120 121 // Parse the switch (it should be a positive integer formatted as decimal). 122 int n; 123 if (base::StringToInt(s, &n) && n > 0) { 124 num_pac_threads = static_cast<size_t>(n); 125 } else { 126 LOG(ERROR) << "Invalid switch for number of PAC threads: " << s; 127 } 128 } 129 130 net::ProxyService* proxy_service = NULL; 131 if (use_v8) { 132 #if defined(OS_IOS) 133 NOTREACHED(); 134 #else 135 net::DhcpProxyScriptFetcher* dhcp_proxy_script_fetcher; 136 #if defined(OS_CHROMEOS) 137 dhcp_proxy_script_fetcher = 138 new chromeos::DhcpProxyScriptFetcherChromeos(context); 139 #else 140 net::DhcpProxyScriptFetcherFactory dhcp_factory; 141 if (command_line.HasSwitch(switches::kDisableDhcpWpad)) 142 dhcp_factory.set_enabled(false); 143 dhcp_proxy_script_fetcher = dhcp_factory.Create(context); 144 #endif 145 146 proxy_service = net::CreateProxyServiceUsingV8ProxyResolver( 147 proxy_config_service, 148 new net::ProxyScriptFetcherImpl(context), 149 dhcp_proxy_script_fetcher, 150 context->host_resolver(), 151 net_log, 152 network_delegate); 153 #endif // defined(OS_IOS) 154 } else { 155 proxy_service = net::ProxyService::CreateUsingSystemProxyResolver( 156 proxy_config_service, 157 num_pac_threads, 158 net_log); 159 } 160 161 return proxy_service; 162 } 163
