| // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "chrome/browser/content_settings/content_settings_internal_extension_provider.h" |
| |
| #include "chrome/browser/chrome_notification_types.h" |
| #include "chrome/browser/content_settings/content_settings_rule.h" |
| #include "chrome/browser/extensions/extension_host.h" |
| #include "chrome/browser/extensions/extension_service.h" |
| #include "chrome/common/content_settings.h" |
| #include "chrome/common/content_settings_pattern.h" |
| #include "chrome/common/extensions/api/plugins/plugins_handler.h" |
| #include "chrome/common/extensions/extension.h" |
| #include "chrome/common/extensions/extension_set.h" |
| #include "content/public/browser/browser_thread.h" |
| #include "content/public/browser/notification_details.h" |
| #include "content/public/browser/notification_service.h" |
| #include "extensions/common/constants.h" |
| |
| using extensions::UnloadedExtensionInfo; |
| |
| namespace content_settings { |
| |
| InternalExtensionProvider::InternalExtensionProvider( |
| ExtensionService* extension_service) |
| : registrar_(new content::NotificationRegistrar) { |
| // Whitelist all extensions loaded so far. |
| const ExtensionSet* extensions = extension_service->extensions(); |
| for (ExtensionSet::const_iterator it = extensions->begin(); |
| it != extensions->end(); ++it) { |
| if (extensions::PluginInfo::HasPlugins(it->get())) |
| SetContentSettingForExtension(it->get(), CONTENT_SETTING_ALLOW); |
| } |
| Profile* profile = extension_service->profile(); |
| registrar_->Add(this, chrome::NOTIFICATION_EXTENSION_HOST_CREATED, |
| content::Source<Profile>(profile)); |
| registrar_->Add(this, chrome::NOTIFICATION_EXTENSION_LOADED, |
| content::Source<Profile>(profile)); |
| registrar_->Add(this, chrome::NOTIFICATION_EXTENSION_UNLOADED, |
| content::Source<Profile>(profile)); |
| } |
| |
| InternalExtensionProvider::~InternalExtensionProvider() { |
| DCHECK(!registrar_.get()); |
| } |
| |
| RuleIterator* InternalExtensionProvider::GetRuleIterator( |
| ContentSettingsType content_type, |
| const ResourceIdentifier& resource_identifier, |
| bool incognito) const { |
| return value_map_.GetRuleIterator(content_type, resource_identifier, &lock_); |
| } |
| |
| bool InternalExtensionProvider::SetWebsiteSetting( |
| const ContentSettingsPattern& primary_pattern, |
| const ContentSettingsPattern& secondary_pattern, |
| ContentSettingsType content_type, |
| const ResourceIdentifier& resource_identifier, |
| Value* value) { |
| return false; |
| } |
| |
| void InternalExtensionProvider::ClearAllContentSettingsRules( |
| ContentSettingsType content_type) {} |
| |
| void InternalExtensionProvider::Observe(int type, |
| const content::NotificationSource& source, |
| const content::NotificationDetails& details) { |
| switch (type) { |
| case chrome::NOTIFICATION_EXTENSION_HOST_CREATED: { |
| const extensions::ExtensionHost* host = |
| content::Details<extensions::ExtensionHost>(details).ptr(); |
| if (host->extension()->is_platform_app()) |
| SetContentSettingForExtension(host->extension(), CONTENT_SETTING_BLOCK); |
| break; |
| } |
| case chrome::NOTIFICATION_EXTENSION_LOADED: { |
| const extensions::Extension* extension = |
| content::Details<extensions::Extension>(details).ptr(); |
| if (extensions::PluginInfo::HasPlugins(extension)) |
| SetContentSettingForExtension(extension, CONTENT_SETTING_ALLOW); |
| break; |
| } |
| case chrome::NOTIFICATION_EXTENSION_UNLOADED: { |
| const UnloadedExtensionInfo& info = |
| *(content::Details<UnloadedExtensionInfo>(details).ptr()); |
| if (extensions::PluginInfo::HasPlugins(info.extension)) |
| SetContentSettingForExtension(info.extension, CONTENT_SETTING_DEFAULT); |
| break; |
| } |
| default: |
| NOTREACHED(); |
| } |
| } |
| |
| void InternalExtensionProvider::ShutdownOnUIThread() { |
| DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI)); |
| RemoveAllObservers(); |
| registrar_.reset(); |
| } |
| |
| void InternalExtensionProvider::SetContentSettingForExtension( |
| const extensions::Extension* extension, |
| ContentSetting setting) { |
| scoped_ptr<ContentSettingsPattern::BuilderInterface> pattern_builder( |
| ContentSettingsPattern::CreateBuilder(false)); |
| pattern_builder->WithScheme(extensions::kExtensionScheme); |
| pattern_builder->WithHost(extension->id()); |
| pattern_builder->WithPathWildcard(); |
| |
| ContentSettingsPattern primary_pattern = pattern_builder->Build(); |
| ContentSettingsPattern secondary_pattern = ContentSettingsPattern::Wildcard(); |
| { |
| base::AutoLock lock(lock_); |
| if (setting == CONTENT_SETTING_DEFAULT) { |
| value_map_.DeleteValue(primary_pattern, |
| secondary_pattern, |
| CONTENT_SETTINGS_TYPE_PLUGINS, |
| ResourceIdentifier()); |
| } else { |
| value_map_.SetValue(primary_pattern, |
| secondary_pattern, |
| CONTENT_SETTINGS_TYPE_PLUGINS, |
| ResourceIdentifier(), |
| Value::CreateIntegerValue(setting)); |
| } |
| } |
| NotifyObservers(primary_pattern, |
| secondary_pattern, |
| CONTENT_SETTINGS_TYPE_PLUGINS, |
| ResourceIdentifier()); |
| } |
| |
| } // namespace content_settings |