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// 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/profiles/profile.h"
#include "chrome/common/chrome_content_client.h"
#include "chrome/common/extensions/api/plugins/plugins_handler.h"
#include "components/content_settings/core/browser/content_settings_rule.h"
#include "components/content_settings/core/common/content_settings.h"
#include "components/content_settings/core/common/content_settings_pattern.h"
#include "content/public/browser/notification_details.h"
#include "content/public/browser/notification_service.h"
#include "extensions/browser/extension_host.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/browser/notification_types.h"
#include "extensions/common/constants.h"
#include "extensions/common/extension.h"
#include "extensions/common/extension_set.h"
#include "extensions/common/features/simple_feature.h"
using extensions::UnloadedExtensionInfo;
namespace content_settings {
namespace {
// This is the set of extensions that are allowed to access the internal
// remoting viewer plugin.
const char* kRemotingViewerWhitelist[] = {
"gbchcmhmhahfdphkhkmpfmihenigjmpp", // Chrome Remote Desktop
"kgngmbheleoaphbjbaiobfdepmghbfah", // Pre-release Chrome Remote Desktop
"odkaodonbgfohohmklejpjiejmcipmib", // Dogfood Chrome Remote Desktop
"ojoimpklfciegopdfgeenehpalipignm", // Chromoting canary
};
} // namespace
InternalExtensionProvider::InternalExtensionProvider(Profile* profile)
: registrar_(new content::NotificationRegistrar) {
for (size_t i = 0; i < arraysize(kRemotingViewerWhitelist); ++i)
chrome_remote_desktop_.insert(kRemotingViewerWhitelist[i]);
// Whitelist all extensions loaded so far.
for (const scoped_refptr<const extensions::Extension>& extension :
extensions::ExtensionRegistry::Get(profile)->enabled_extensions()) {
ApplyPluginContentSettingsForExtension(extension.get(),
CONTENT_SETTING_ALLOW);
}
registrar_->Add(this,
extensions::NOTIFICATION_EXTENSION_HOST_CREATED,
content::Source<Profile>(profile));
registrar_->Add(this,
extensions::NOTIFICATION_EXTENSION_LOADED_DEPRECATED,
content::Source<Profile>(profile));
registrar_->Add(this,
extensions::NOTIFICATION_EXTENSION_UNLOADED_DEPRECATED,
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,
base::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 extensions::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);
// White-list CRD's v2 app, until crbug.com/134216 is complete.
const char* kAppWhitelist[] = {
"2775E568AC98F9578791F1EAB65A1BF5F8CEF414",
"4AA3C5D69A4AECBD236CAD7884502209F0F5C169",
"97B23E01B2AA064E8332EE43A7A85C628AADC3F2",
"9E930B2B5EABA6243AE6C710F126E54688E8FAF6",
"C449A798C495E6CF7D6AF10162113D564E67AD12",
"E410CDAB2C6E6DD408D731016CECF2444000A912",
"EBA908206905323CECE6DC4B276A58A0F4AC573F",
// http://crbug.com/327507
"FAFE8EFDD2D6AE2EEB277AFEB91C870C79064D9E",
"3B52D273A271D4E2348233E322426DBAE854B567",
"5DF6ADC8708DF59FCFDDBF16AFBFB451380C2059",
"1037DEF5F6B06EA46153AD87B6C5C37440E3F2D1",
"F5815DAFEB8C53B078DD1853B2059E087C42F139",
"6A08EFFF9C16E090D6DCC7EC55A01CADAE840513",
// http://crbug.com/354258
"C32D6D93E12F5401DAA3A723E0C3CC5F25429BA4",
"9099782647D39C778E15C8C6E0D23C88F5CDE170",
"B7D5B52D1E5B106288BD7F278CAFA5E8D76108B0",
"89349DBAA2C4022FB244AA50182AB60934EB41EE",
"CB593E510640572A995CB1B6D41BD85ED51E63F8",
"1AD1AC86C87969CD3434FA08D99DBA6840AEA612",
"9C2EA21D7975BDF2B3C01C3A454EE44854067A6D",
"D2C488C80C3C90C3E01A991112A05E37831E17D0",
"6EEC061C0E74B46C7B5BE2EEFA49436368F4988F",
"8B344D9E8A4C505EF82A0DBBC25B8BD1F984E777",
"E06AFCB1EB0EFD237824CC4AC8FDD3D43E8BC868",
// http://crbug.com/386324
"F76F43EFFF56BF17A9868A5243F339BA28746632",
"C6EA52B92F80878515F94137020F01519357E5B5",
"E466389F058ABD73FF6FDD06F768A351FCBF8532",
"40063F1CF7B68BA847A26FA6620DDF156171D23C",
"A6FD8E15353CF1F5C3D0A7B20E1D10AEA4DD3E6A",
"57AC4D9E6BD8A2D0A70056B5FAC2378CAA588912",
"02037314DA4D913640DCF0E296A7D01F4FD793EC",
"B6EC0809BC63E10B431C5E4AA3645232CA86B2A5",
"48CA541313139786F056DBCB504A1025CFF5D2E3",
"05106136AE7F08A3C181D4648E5438350B1D2B4F"
};
if (extensions::SimpleFeature::IsIdInList(
host->extension()->id(),
std::set<std::string>(
kAppWhitelist, kAppWhitelist + arraysize(kAppWhitelist)))) {
SetContentSettingForExtensionAndResource(
host->extension(),
ChromeContentClient::kRemotingViewerPluginPath,
CONTENT_SETTING_ALLOW);
}
}
break;
}
case extensions::NOTIFICATION_EXTENSION_LOADED_DEPRECATED: {
const extensions::Extension* extension =
content::Details<extensions::Extension>(details).ptr();
ApplyPluginContentSettingsForExtension(extension, CONTENT_SETTING_ALLOW);
break;
}
case extensions::NOTIFICATION_EXTENSION_UNLOADED_DEPRECATED: {
const UnloadedExtensionInfo& info =
*(content::Details<UnloadedExtensionInfo>(details).ptr());
ApplyPluginContentSettingsForExtension(info.extension,
CONTENT_SETTING_DEFAULT);
break;
}
default:
NOTREACHED();
}
}
void InternalExtensionProvider::ShutdownOnUIThread() {
DCHECK(CalledOnValidThread());
RemoveAllObservers();
registrar_.reset();
}
void InternalExtensionProvider::ApplyPluginContentSettingsForExtension(
const extensions::Extension* extension,
ContentSetting setting) {
if (extensions::PluginInfo::HasPlugins(extension))
SetContentSettingForExtension(extension, setting);
// Chrome Remove Desktop relies on the remoting viewer plugin. The
// above check does not catch this, as the plugin is a builtin plugin.
if (chrome_remote_desktop_.find(extension->id()) !=
chrome_remote_desktop_.end()) {
SetContentSettingForExtensionAndResource(
extension, ChromeContentClient::kRemotingViewerPluginPath, setting);
}
}
void InternalExtensionProvider::SetContentSettingForExtension(
const extensions::Extension* extension,
ContentSetting setting) {
SetContentSettingForExtensionAndResource(
extension, ResourceIdentifier(), setting);
}
void InternalExtensionProvider::SetContentSettingForExtensionAndResource(
const extensions::Extension* extension,
const ResourceIdentifier& resource,
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,
resource);
} else {
value_map_.SetValue(primary_pattern,
secondary_pattern,
CONTENT_SETTINGS_TYPE_PLUGINS,
resource,
new base::FundamentalValue(setting));
}
}
NotifyObservers(primary_pattern,
secondary_pattern,
CONTENT_SETTINGS_TYPE_PLUGINS,
resource);
}
} // namespace content_settings
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