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