1// Copyright 2013 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/extensions/chrome_extensions_browser_client.h" 6 7#include "base/command_line.h" 8#include "base/path_service.h" 9#include "base/version.h" 10#include "chrome/browser/app_mode/app_mode_utils.h" 11#include "chrome/browser/browser_process.h" 12#include "chrome/browser/extensions/activity_log/activity_log.h" 13#include "chrome/browser/extensions/api/chrome_extensions_api_client.h" 14#include "chrome/browser/extensions/api/content_settings/content_settings_service.h" 15#include "chrome/browser/extensions/api/generated_api_registration.h" 16#include "chrome/browser/extensions/api/preference/chrome_direct_setting.h" 17#include "chrome/browser/extensions/api/preference/preference_api.h" 18#include "chrome/browser/extensions/api/runtime/chrome_runtime_api_delegate.h" 19#include "chrome/browser/extensions/chrome_app_sorting.h" 20#include "chrome/browser/extensions/chrome_component_extension_resource_manager.h" 21#include "chrome/browser/extensions/chrome_extension_host_delegate.h" 22#include "chrome/browser/extensions/chrome_process_manager_delegate.h" 23#include "chrome/browser/extensions/chrome_url_request_util.h" 24#include "chrome/browser/extensions/event_router_forwarder.h" 25#include "chrome/browser/extensions/extension_system_factory.h" 26#include "chrome/browser/extensions/extension_util.h" 27#include "chrome/browser/external_protocol/external_protocol_handler.h" 28#include "chrome/browser/net/chrome_net_log.h" 29#include "chrome/browser/profiles/profile.h" 30#include "chrome/browser/profiles/profile_manager.h" 31#include "chrome/common/chrome_paths.h" 32#include "chrome/common/chrome_switches.h" 33#include "chrome/common/chrome_version_info.h" 34#include "chrome/common/extensions/features/feature_channel.h" 35#include "chrome/common/pref_names.h" 36#include "extensions/browser/api/generated_api_registration.h" 37#include "extensions/browser/extension_function_registry.h" 38#include "extensions/browser/extension_prefs.h" 39#include "extensions/browser/pref_names.h" 40#include "extensions/browser/url_request_util.h" 41 42#if defined(OS_CHROMEOS) 43#include "chromeos/chromeos_switches.h" 44#endif 45 46namespace extensions { 47 48ChromeExtensionsBrowserClient::ChromeExtensionsBrowserClient() { 49 process_manager_delegate_.reset(new ChromeProcessManagerDelegate); 50 api_client_.reset(new ChromeExtensionsAPIClient); 51 // Only set if it hasn't already been set (e.g. by a test). 52 if (GetCurrentChannel() == GetDefaultChannel()) 53 SetCurrentChannel(chrome::VersionInfo::GetChannel()); 54} 55 56ChromeExtensionsBrowserClient::~ChromeExtensionsBrowserClient() {} 57 58bool ChromeExtensionsBrowserClient::IsShuttingDown() { 59 return g_browser_process->IsShuttingDown(); 60} 61 62bool ChromeExtensionsBrowserClient::AreExtensionsDisabled( 63 const CommandLine& command_line, 64 content::BrowserContext* context) { 65 Profile* profile = static_cast<Profile*>(context); 66 return command_line.HasSwitch(switches::kDisableExtensions) || 67 profile->GetPrefs()->GetBoolean(prefs::kDisableExtensions); 68} 69 70bool ChromeExtensionsBrowserClient::IsValidContext( 71 content::BrowserContext* context) { 72 Profile* profile = static_cast<Profile*>(context); 73 return g_browser_process->profile_manager()->IsValidProfile(profile); 74} 75 76bool ChromeExtensionsBrowserClient::IsSameContext( 77 content::BrowserContext* first, 78 content::BrowserContext* second) { 79 return static_cast<Profile*>(first)->IsSameProfile( 80 static_cast<Profile*>(second)); 81} 82 83bool ChromeExtensionsBrowserClient::HasOffTheRecordContext( 84 content::BrowserContext* context) { 85 return static_cast<Profile*>(context)->HasOffTheRecordProfile(); 86} 87 88content::BrowserContext* ChromeExtensionsBrowserClient::GetOffTheRecordContext( 89 content::BrowserContext* context) { 90 return static_cast<Profile*>(context)->GetOffTheRecordProfile(); 91} 92 93content::BrowserContext* ChromeExtensionsBrowserClient::GetOriginalContext( 94 content::BrowserContext* context) { 95 return static_cast<Profile*>(context)->GetOriginalProfile(); 96} 97 98bool ChromeExtensionsBrowserClient::IsGuestSession( 99 content::BrowserContext* context) const { 100 return static_cast<Profile*>(context)->IsGuestSession(); 101} 102 103bool ChromeExtensionsBrowserClient::IsExtensionIncognitoEnabled( 104 const std::string& extension_id, 105 content::BrowserContext* context) const { 106 return IsGuestSession(context) 107 || util::IsIncognitoEnabled(extension_id, context); 108} 109 110bool ChromeExtensionsBrowserClient::CanExtensionCrossIncognito( 111 const extensions::Extension* extension, 112 content::BrowserContext* context) const { 113 return IsGuestSession(context) 114 || util::CanCrossIncognito(extension, context); 115} 116 117net::URLRequestJob* 118ChromeExtensionsBrowserClient::MaybeCreateResourceBundleRequestJob( 119 net::URLRequest* request, 120 net::NetworkDelegate* network_delegate, 121 const base::FilePath& directory_path, 122 const std::string& content_security_policy, 123 bool send_cors_header) { 124 return chrome_url_request_util::MaybeCreateURLRequestResourceBundleJob( 125 request, 126 network_delegate, 127 directory_path, 128 content_security_policy, 129 send_cors_header); 130} 131 132bool ChromeExtensionsBrowserClient::AllowCrossRendererResourceLoad( 133 net::URLRequest* request, 134 bool is_incognito, 135 const Extension* extension, 136 InfoMap* extension_info_map) { 137 bool allowed = false; 138 if (chrome_url_request_util::AllowCrossRendererResourceLoad( 139 request, is_incognito, extension, extension_info_map, &allowed)) 140 return allowed; 141 142 // Couldn't determine if resource is allowed. Block the load. 143 return false; 144} 145 146PrefService* ChromeExtensionsBrowserClient::GetPrefServiceForContext( 147 content::BrowserContext* context) { 148 return static_cast<Profile*>(context)->GetPrefs(); 149} 150 151void ChromeExtensionsBrowserClient::GetEarlyExtensionPrefsObservers( 152 content::BrowserContext* context, 153 std::vector<ExtensionPrefsObserver*>* observers) const { 154 observers->push_back(ContentSettingsService::Get(context)); 155} 156 157ProcessManagerDelegate* 158ChromeExtensionsBrowserClient::GetProcessManagerDelegate() const { 159 return process_manager_delegate_.get(); 160} 161 162scoped_ptr<ExtensionHostDelegate> 163ChromeExtensionsBrowserClient::CreateExtensionHostDelegate() { 164 return scoped_ptr<ExtensionHostDelegate>(new ChromeExtensionHostDelegate); 165} 166 167bool ChromeExtensionsBrowserClient::DidVersionUpdate( 168 content::BrowserContext* context) { 169 Profile* profile = static_cast<Profile*>(context); 170 171 // Unit tests may not provide prefs; assume everything is up-to-date. 172 ExtensionPrefs* extension_prefs = ExtensionPrefs::Get(profile); 173 if (!extension_prefs) 174 return false; 175 176 // If we're inside a browser test, then assume prefs are all up-to-date. 177 if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kTestType)) 178 return false; 179 180 PrefService* pref_service = extension_prefs->pref_service(); 181 base::Version last_version; 182 if (pref_service->HasPrefPath(pref_names::kLastChromeVersion)) { 183 std::string last_version_str = 184 pref_service->GetString(pref_names::kLastChromeVersion); 185 last_version = base::Version(last_version_str); 186 } 187 188 chrome::VersionInfo current_version_info; 189 std::string current_version = current_version_info.Version(); 190 pref_service->SetString(pref_names::kLastChromeVersion, 191 current_version); 192 193 // If there was no version string in prefs, assume we're out of date. 194 if (!last_version.IsValid()) 195 return true; 196 197 return last_version.IsOlderThan(current_version); 198} 199 200void ChromeExtensionsBrowserClient::PermitExternalProtocolHandler() { 201 ExternalProtocolHandler::PermitLaunchUrl(); 202} 203 204scoped_ptr<AppSorting> ChromeExtensionsBrowserClient::CreateAppSorting() { 205 return scoped_ptr<AppSorting>(new ChromeAppSorting()); 206} 207 208bool ChromeExtensionsBrowserClient::IsRunningInForcedAppMode() { 209 return chrome::IsRunningInForcedAppMode(); 210} 211 212ApiActivityMonitor* ChromeExtensionsBrowserClient::GetApiActivityMonitor( 213 content::BrowserContext* context) { 214 // The ActivityLog monitors and records function calls and events. 215 return ActivityLog::GetInstance(context); 216} 217 218ExtensionSystemProvider* 219ChromeExtensionsBrowserClient::GetExtensionSystemFactory() { 220 return ExtensionSystemFactory::GetInstance(); 221} 222 223void ChromeExtensionsBrowserClient::RegisterExtensionFunctions( 224 ExtensionFunctionRegistry* registry) const { 225 // Preferences. 226 registry->RegisterFunction<extensions::GetPreferenceFunction>(); 227 registry->RegisterFunction<extensions::SetPreferenceFunction>(); 228 registry->RegisterFunction<extensions::ClearPreferenceFunction>(); 229 230 // Direct Preference Access for Component Extensions. 231 registry->RegisterFunction< 232 extensions::chromedirectsetting::GetDirectSettingFunction>(); 233 registry->RegisterFunction< 234 extensions::chromedirectsetting::SetDirectSettingFunction>(); 235 registry->RegisterFunction< 236 extensions::chromedirectsetting::ClearDirectSettingFunction>(); 237 238 // Generated APIs from lower-level modules. 239 extensions::core_api::GeneratedFunctionRegistry::RegisterAll(registry); 240 241 // Generated APIs from Chrome. 242 extensions::api::GeneratedFunctionRegistry::RegisterAll(registry); 243} 244 245ComponentExtensionResourceManager* 246ChromeExtensionsBrowserClient::GetComponentExtensionResourceManager() { 247 if (!resource_manager_) 248 resource_manager_.reset(new ChromeComponentExtensionResourceManager()); 249 return resource_manager_.get(); 250} 251 252void ChromeExtensionsBrowserClient::BroadcastEventToRenderers( 253 const std::string& event_name, 254 scoped_ptr<base::ListValue> args) { 255 g_browser_process->extension_event_router_forwarder() 256 ->BroadcastEventToRenderers(event_name, args.Pass(), GURL()); 257} 258 259net::NetLog* ChromeExtensionsBrowserClient::GetNetLog() { 260 return g_browser_process->net_log(); 261} 262 263scoped_ptr<extensions::RuntimeAPIDelegate> 264ChromeExtensionsBrowserClient::CreateRuntimeAPIDelegate( 265 content::BrowserContext* context) const { 266 return scoped_ptr<extensions::RuntimeAPIDelegate>( 267 new ChromeRuntimeAPIDelegate(context)); 268} 269 270} // namespace extensions 271