chrome/browser/content_settings/content_settings_internal_extension_provider.cc

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