1 // Copyright (c) 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/content_settings/content_settings_internal_extension_provider.h" 6 7 #include "chrome/browser/chrome_notification_types.h" 8 #include "chrome/browser/content_settings/content_settings_rule.h" 9 #include "chrome/browser/extensions/extension_service.h" 10 #include "chrome/common/chrome_content_client.h" 11 #include "chrome/common/content_settings.h" 12 #include "chrome/common/content_settings_pattern.h" 13 #include "chrome/common/extensions/api/plugins/plugins_handler.h" 14 #include "content/public/browser/browser_thread.h" 15 #include "content/public/browser/notification_details.h" 16 #include "content/public/browser/notification_service.h" 17 #include "extensions/browser/extension_host.h" 18 #include "extensions/common/constants.h" 19 #include "extensions/common/extension.h" 20 #include "extensions/common/extension_set.h" 21 #include "extensions/common/features/simple_feature.h" 22 23 using extensions::UnloadedExtensionInfo; 24 25 namespace content_settings { 26 27 InternalExtensionProvider::InternalExtensionProvider( 28 ExtensionService* extension_service) 29 : registrar_(new content::NotificationRegistrar) { 30 // Whitelist all extensions loaded so far. 31 const extensions::ExtensionSet* extensions = extension_service->extensions(); 32 for (extensions::ExtensionSet::const_iterator it = extensions->begin(); 33 it != extensions->end(); ++it) { 34 if (extensions::PluginInfo::HasPlugins(it->get())) 35 SetContentSettingForExtension(it->get(), CONTENT_SETTING_ALLOW); 36 } 37 Profile* profile = extension_service->profile(); 38 registrar_->Add(this, chrome::NOTIFICATION_EXTENSION_HOST_CREATED, 39 content::Source<Profile>(profile)); 40 registrar_->Add(this, 41 chrome::NOTIFICATION_EXTENSION_LOADED_DEPRECATED, 42 content::Source<Profile>(profile)); 43 registrar_->Add(this, chrome::NOTIFICATION_EXTENSION_UNLOADED_DEPRECATED, 44 content::Source<Profile>(profile)); 45 } 46 47 InternalExtensionProvider::~InternalExtensionProvider() { 48 DCHECK(!registrar_.get()); 49 } 50 51 RuleIterator* InternalExtensionProvider::GetRuleIterator( 52 ContentSettingsType content_type, 53 const ResourceIdentifier& resource_identifier, 54 bool incognito) const { 55 return value_map_.GetRuleIterator(content_type, resource_identifier, &lock_); 56 } 57 58 bool InternalExtensionProvider::SetWebsiteSetting( 59 const ContentSettingsPattern& primary_pattern, 60 const ContentSettingsPattern& secondary_pattern, 61 ContentSettingsType content_type, 62 const ResourceIdentifier& resource_identifier, 63 base::Value* value) { 64 return false; 65 } 66 67 void InternalExtensionProvider::ClearAllContentSettingsRules( 68 ContentSettingsType content_type) {} 69 70 void InternalExtensionProvider::Observe(int type, 71 const content::NotificationSource& source, 72 const content::NotificationDetails& details) { 73 switch (type) { 74 case chrome::NOTIFICATION_EXTENSION_HOST_CREATED: { 75 const extensions::ExtensionHost* host = 76 content::Details<extensions::ExtensionHost>(details).ptr(); 77 if (host->extension()->is_platform_app()) { 78 SetContentSettingForExtension(host->extension(), CONTENT_SETTING_BLOCK); 79 80 // White-list CRD's v2 app, until crbug.com/134216 is complete. 81 const char* kAppWhitelist[] = { 82 "2775E568AC98F9578791F1EAB65A1BF5F8CEF414", 83 "4AA3C5D69A4AECBD236CAD7884502209F0F5C169", 84 "97B23E01B2AA064E8332EE43A7A85C628AADC3F2", 85 "9E930B2B5EABA6243AE6C710F126E54688E8FAF6", 86 "C449A798C495E6CF7D6AF10162113D564E67AD12", 87 "E410CDAB2C6E6DD408D731016CECF2444000A912", 88 "EBA908206905323CECE6DC4B276A58A0F4AC573F", 89 90 // http://crbug.com/327507 91 "FAFE8EFDD2D6AE2EEB277AFEB91C870C79064D9E", 92 "3B52D273A271D4E2348233E322426DBAE854B567", 93 "5DF6ADC8708DF59FCFDDBF16AFBFB451380C2059", 94 "1037DEF5F6B06EA46153AD87B6C5C37440E3F2D1", 95 "F5815DAFEB8C53B078DD1853B2059E087C42F139", 96 "6A08EFFF9C16E090D6DCC7EC55A01CADAE840513", 97 98 // http://crbug.com/354258 99 "C32D6D93E12F5401DAA3A723E0C3CC5F25429BA4", 100 "9099782647D39C778E15C8C6E0D23C88F5CDE170", 101 "B7D5B52D1E5B106288BD7F278CAFA5E8D76108B0", 102 "89349DBAA2C4022FB244AA50182AB60934EB41EE", 103 "CB593E510640572A995CB1B6D41BD85ED51E63F8", 104 "1AD1AC86C87969CD3434FA08D99DBA6840AEA612", 105 "9C2EA21D7975BDF2B3C01C3A454EE44854067A6D", 106 "D2C488C80C3C90C3E01A991112A05E37831E17D0", 107 "6EEC061C0E74B46C7B5BE2EEFA49436368F4988F", 108 "8B344D9E8A4C505EF82A0DBBC25B8BD1F984E777", 109 "E06AFCB1EB0EFD237824CC4AC8FDD3D43E8BC868", 110 111 // http://crbug.com/386324 112 "F76F43EFFF56BF17A9868A5243F339BA28746632", 113 "C6EA52B92F80878515F94137020F01519357E5B5", 114 "E466389F058ABD73FF6FDD06F768A351FCBF8532", 115 "40063F1CF7B68BA847A26FA6620DDF156171D23C", 116 "A6FD8E15353CF1F5C3D0A7B20E1D10AEA4DD3E6A", 117 "57AC4D9E6BD8A2D0A70056B5FAC2378CAA588912", 118 "02037314DA4D913640DCF0E296A7D01F4FD793EC", 119 "B6EC0809BC63E10B431C5E4AA3645232CA86B2A5", 120 "48CA541313139786F056DBCB504A1025CFF5D2E3", 121 "05106136AE7F08A3C181D4648E5438350B1D2B4F" 122 }; 123 if (extensions::SimpleFeature::IsIdInList( 124 host->extension()->id(), 125 std::set<std::string>( 126 kAppWhitelist, kAppWhitelist + arraysize(kAppWhitelist)))) { 127 SetContentSettingForExtensionAndResource( 128 host->extension(), 129 ChromeContentClient::kRemotingViewerPluginPath, 130 CONTENT_SETTING_ALLOW); 131 } 132 } 133 134 break; 135 } 136 case chrome::NOTIFICATION_EXTENSION_LOADED_DEPRECATED: { 137 const extensions::Extension* extension = 138 content::Details<extensions::Extension>(details).ptr(); 139 if (extensions::PluginInfo::HasPlugins(extension)) 140 SetContentSettingForExtension(extension, CONTENT_SETTING_ALLOW); 141 break; 142 } 143 case chrome::NOTIFICATION_EXTENSION_UNLOADED_DEPRECATED: { 144 const UnloadedExtensionInfo& info = 145 *(content::Details<UnloadedExtensionInfo>(details).ptr()); 146 if (extensions::PluginInfo::HasPlugins(info.extension)) 147 SetContentSettingForExtension(info.extension, CONTENT_SETTING_DEFAULT); 148 break; 149 } 150 default: 151 NOTREACHED(); 152 } 153 } 154 155 void InternalExtensionProvider::ShutdownOnUIThread() { 156 DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI)); 157 RemoveAllObservers(); 158 registrar_.reset(); 159 } 160 161 void InternalExtensionProvider::SetContentSettingForExtension( 162 const extensions::Extension* extension, 163 ContentSetting setting) { 164 SetContentSettingForExtensionAndResource( 165 extension, ResourceIdentifier(), setting); 166 } 167 168 void InternalExtensionProvider::SetContentSettingForExtensionAndResource( 169 const extensions::Extension* extension, 170 const ResourceIdentifier& resource, 171 ContentSetting setting) { 172 scoped_ptr<ContentSettingsPattern::BuilderInterface> pattern_builder( 173 ContentSettingsPattern::CreateBuilder(false)); 174 pattern_builder->WithScheme(extensions::kExtensionScheme); 175 pattern_builder->WithHost(extension->id()); 176 pattern_builder->WithPathWildcard(); 177 178 ContentSettingsPattern primary_pattern = pattern_builder->Build(); 179 ContentSettingsPattern secondary_pattern = ContentSettingsPattern::Wildcard(); 180 { 181 base::AutoLock lock(lock_); 182 if (setting == CONTENT_SETTING_DEFAULT) { 183 value_map_.DeleteValue(primary_pattern, 184 secondary_pattern, 185 CONTENT_SETTINGS_TYPE_PLUGINS, 186 resource); 187 } else { 188 value_map_.SetValue(primary_pattern, 189 secondary_pattern, 190 CONTENT_SETTINGS_TYPE_PLUGINS, 191 resource, 192 base::Value::CreateIntegerValue(setting)); 193 } 194 } 195 NotifyObservers(primary_pattern, 196 secondary_pattern, 197 CONTENT_SETTINGS_TYPE_PLUGINS, 198 resource); 199 } 200 201 } // namespace content_settings 202
