This source file includes following definitions.
- IsCWSSharedModule
- GetDebugPolicyProviderName
- UserMayModifySettings
- MustRemainEnabled
- CheckExternalUninstall
- SetFileTaskRunnerForTesting
- ClearProvidersForTesting
- AddProviderForTesting
- OnExternalExtensionUpdateUrlFound
- GetInstalledApp
- IsInstalledApp
- UninstallExtensionHelper
- shared_module_service_
- extensions
- delayed_installs
- pending_extension_manager
- Shutdown
- GetExtensionById
- Init
- LoadGreylistFromPrefs
- UpdateExtension
- ReloadExtension
- UninstallExtension
- IsExtensionEnabled
- EnableExtension
- DisableExtension
- DisableUserExtensions
- GrantPermissionsAndEnableExtension
- GrantPermissions
- RecordPermissionMessagesHistogram
- NotifyExtensionLoaded
- NotifyExtensionUnloaded
- profile
- GetBrowserContext
- is_ready
- GetFileTaskRunner
- updater
- CheckManagementPolicy
- CheckForUpdatesSoon
- CheckForExternalUpdates
- OnExternalProviderReady
- AreAllExternalProvidersReady
- OnAllExternalProvidersReady
- IdentifyAlertableExtensions
- PopulateExtensionErrorUI
- HandleExtensionAlertClosed
- HandleExtensionAlertAccept
- AcknowledgeExternalExtension
- IsUnacknowledgedExternalExtension
- ReconcileKnownDisabled
- HandleExtensionAlertDetails
- UpdateExternalExtensionAlert
- UnloadExtension
- RemoveComponentExtension
- UnloadAllExtensionsForTest
- ReloadExtensionsForTest
- SetReadyAndNotifyListeners
- OnLoadedInstalledExtensions
- AddExtension
- AddComponentExtension
- UpdateActivePermissions
- CheckPermissionsIncrease
- UpdateActiveExtensionsInCrashReporter
- OnExtensionInstalled
- AddNewOrUpdatedExtension
- MaybeFinishDelayedInstallation
- FinishDelayedInstallation
- FinishInstallation
- GetPendingExtensionUpdate
- TrackTerminatedExtension
- UntrackTerminatedExtension
- GetInstalledExtension
- OnExternalExtensionFileFound
- ReportExtensionLoadError
- NotifyLoadRetry
- DidCreateRenderViewForBackgroundPage
- Observe
- OnExtensionInstallPrefChanged
- IsBeingReloaded
- SetBeingReloaded
- ShouldEnableOnInstall
- ShouldDelayExtensionUpdate
- OnGarbageCollectIsolatedStorageStart
- OnGarbageCollectIsolatedStorageFinished
- MaybeFinishDelayedInstallations
- OnBlacklistUpdated
- ManageBlacklist
- Partition
- UpdateBlockedExtensions
- UpdateGreylistedExtensions
- AddUpdateObserver
- RemoveUpdateObserver
- UnloadAllExtensionsInternal
#include "chrome/browser/extensions/extension_service.h"
#include <algorithm>
#include <iterator>
#include <set>
#include "base/basictypes.h"
#include "base/bind.h"
#include "base/callback.h"
#include "base/command_line.h"
#include "base/file_util.h"
#include "base/logging.h"
#include "base/metrics/histogram.h"
#include "base/prefs/pref_service.h"
#include "base/stl_util.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_util.h"
#include "base/strings/stringprintf.h"
#include "base/strings/utf_string_conversions.h"
#include "base/threading/sequenced_worker_pool.h"
#include "base/threading/thread_restrictions.h"
#include "base/time/time.h"
#include "base/version.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/chrome_notification_types.h"
#include "chrome/browser/extensions/api/extension_action/extension_action_api.h"
#include "chrome/browser/extensions/component_loader.h"
#include "chrome/browser/extensions/crx_installer.h"
#include "chrome/browser/extensions/data_deleter.h"
#include "chrome/browser/extensions/extension_disabled_ui.h"
#include "chrome/browser/extensions/extension_error_reporter.h"
#include "chrome/browser/extensions/extension_error_ui.h"
#include "chrome/browser/extensions/extension_garbage_collector.h"
#include "chrome/browser/extensions/extension_install_ui.h"
#include "chrome/browser/extensions/extension_special_storage_policy.h"
#include "chrome/browser/extensions/extension_sync_service.h"
#include "chrome/browser/extensions/extension_util.h"
#include "chrome/browser/extensions/external_install_ui.h"
#include "chrome/browser/extensions/external_provider_impl.h"
#include "chrome/browser/extensions/install_verifier.h"
#include "chrome/browser/extensions/installed_loader.h"
#include "chrome/browser/extensions/pending_extension_manager.h"
#include "chrome/browser/extensions/permissions_updater.h"
#include "chrome/browser/extensions/shared_module_service.h"
#include "chrome/browser/extensions/unpacked_installer.h"
#include "chrome/browser/extensions/updater/extension_cache.h"
#include "chrome/browser/extensions/updater/extension_updater.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/webui/extensions/extension_icon_source.h"
#include "chrome/browser/ui/webui/favicon_source.h"
#include "chrome/browser/ui/webui/ntp/thumbnail_source.h"
#include "chrome/browser/ui/webui/theme_source.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/crash_keys.h"
#include "chrome/common/extensions/extension_constants.h"
#include "chrome/common/extensions/extension_file_util.h"
#include "chrome/common/extensions/features/feature_channel.h"
#include "chrome/common/extensions/manifest_url_handler.h"
#include "chrome/common/pref_names.h"
#include "chrome/common/url_constants.h"
#include "components/startup_metric_utils/startup_metric_utils.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/devtools_agent_host.h"
#include "content/public/browser/notification_service.h"
#include "content/public/browser/notification_types.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/storage_partition.h"
#include "content/public/browser/url_data_source.h"
#include "extensions/browser/app_sorting.h"
#include "extensions/browser/event_router.h"
#include "extensions/browser/extension_host.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/browser/extension_system.h"
#include "extensions/browser/extensions_browser_client.h"
#include "extensions/browser/external_provider_interface.h"
#include "extensions/browser/management_policy.h"
#include "extensions/browser/pref_names.h"
#include "extensions/browser/process_manager.h"
#include "extensions/browser/process_map.h"
#include "extensions/browser/runtime_data.h"
#include "extensions/browser/update_observer.h"
#include "extensions/common/constants.h"
#include "extensions/common/error_utils.h"
#include "extensions/common/extension.h"
#include "extensions/common/extension_messages.h"
#include "extensions/common/extensions_client.h"
#include "extensions/common/feature_switch.h"
#include "extensions/common/manifest.h"
#include "extensions/common/manifest_constants.h"
#include "extensions/common/manifest_handlers/background_info.h"
#include "extensions/common/manifest_handlers/incognito_info.h"
#include "extensions/common/manifest_handlers/shared_module_info.h"
#include "extensions/common/permissions/permission_message_provider.h"
#include "extensions/common/permissions/permissions_data.h"
#include "grit/generated_resources.h"
#include "net/base/registry_controlled_domains/registry_controlled_domain.h"
#include "ui/base/webui/web_ui_util.h"
#include "url/gurl.h"
#include "webkit/browser/database/database_tracker.h"
#include "webkit/browser/database/database_util.h"
#if defined(OS_CHROMEOS)
#include "chrome/browser/chromeos/extensions/install_limiter.h"
#include "webkit/browser/fileapi/file_system_backend.h"
#include "webkit/browser/fileapi/file_system_context.h"
#endif
using content::BrowserContext;
using content::BrowserThread;
using content::DevToolsAgentHost;
using extensions::CrxInstaller;
using extensions::Extension;
using extensions::ExtensionIdSet;
using extensions::ExtensionInfo;
using extensions::ExtensionRegistry;
using extensions::ExtensionSet;
using extensions::FeatureSwitch;
using extensions::InstallVerifier;
using extensions::ManagementPolicy;
using extensions::Manifest;
using extensions::PermissionMessage;
using extensions::PermissionMessages;
using extensions::PermissionSet;
using extensions::SharedModuleInfo;
using extensions::SharedModuleService;
using extensions::UnloadedExtensionInfo;
namespace errors = extensions::manifest_errors;
namespace {
enum ExternalExtensionEvent {
EXTERNAL_EXTENSION_INSTALLED = 0,
EXTERNAL_EXTENSION_IGNORED,
EXTERNAL_EXTENSION_REENABLED,
EXTERNAL_EXTENSION_UNINSTALLED,
EXTERNAL_EXTENSION_BUCKET_BOUNDARY,
};
static const int kMaxExtensionAcknowledgePromptCount = 3;
static const int kUpdateIdleDelay = 5;
static bool IsCWSSharedModule(const Extension* extension) {
return extension->from_webstore() &&
SharedModuleInfo::IsSharedModule(extension);
}
class SharedModuleProvider : public extensions::ManagementPolicy::Provider {
public:
SharedModuleProvider() {}
virtual ~SharedModuleProvider() {}
virtual std::string GetDebugPolicyProviderName() const OVERRIDE {
return "SharedModuleProvider";
}
virtual bool UserMayModifySettings(const Extension* extension,
base::string16* error) const OVERRIDE {
return !IsCWSSharedModule(extension);
}
virtual bool MustRemainEnabled(const Extension* extension,
base::string16* error) const OVERRIDE {
return IsCWSSharedModule(extension);
}
private:
DISALLOW_COPY_AND_ASSIGN(SharedModuleProvider);
};
}
void ExtensionService::CheckExternalUninstall(const std::string& id) {
CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
extensions::ProviderCollection::const_iterator i;
for (i = external_extension_providers_.begin();
i != external_extension_providers_.end(); ++i) {
DCHECK(i->get()->IsReady());
if (i->get()->HasExtension(id))
return;
}
if (!GetInstalledExtension(id)) {
LOG(WARNING) << "Attempted uninstallation of unloaded/invalid extension "
<< "with id: " << id;
return;
}
UninstallExtension(id, true, NULL);
}
void ExtensionService::SetFileTaskRunnerForTesting(
base::SequencedTaskRunner* task_runner) {
file_task_runner_ = task_runner;
}
void ExtensionService::ClearProvidersForTesting() {
external_extension_providers_.clear();
}
void ExtensionService::AddProviderForTesting(
extensions::ExternalProviderInterface* test_provider) {
CHECK(test_provider);
external_extension_providers_.push_back(
linked_ptr<extensions::ExternalProviderInterface>(test_provider));
}
bool ExtensionService::OnExternalExtensionUpdateUrlFound(
const std::string& id,
const std::string& install_parameter,
const GURL& update_url,
Manifest::Location location,
int creation_flags,
bool mark_acknowledged) {
CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
CHECK(Extension::IdIsValid(id));
if (Manifest::IsExternalLocation(location)) {
extensions::ExtensionCache::GetInstance()->AllowCaching(id);
}
const Extension* extension = GetExtensionById(id, true);
if (extension) {
Manifest::Location current = extension->location();
if (current == Manifest::GetHigherPriorityLocation(current, location))
return false;
}
if (!pending_extension_manager()->AddFromExternalUpdateUrl(
id,
install_parameter,
update_url,
location,
creation_flags,
mark_acknowledged)) {
return false;
}
update_once_all_providers_are_ready_ = true;
return true;
}
const Extension* ExtensionService::GetInstalledApp(const GURL& url) const {
const Extension* extension =
registry_->enabled_extensions().GetExtensionOrAppByURL(url);
return (extension && extension->is_app()) ? extension : NULL;
}
bool ExtensionService::IsInstalledApp(const GURL& url) const {
return !!GetInstalledApp(url);
}
bool ExtensionService::UninstallExtensionHelper(
ExtensionService* extensions_service,
const std::string& extension_id) {
if (!extensions_service->GetInstalledExtension(extension_id)) {
LOG(WARNING) << "Attempted uninstallation of non-existent extension with "
<< "id: " << extension_id;
return false;
}
base::string16 error;
if (!extensions_service->UninstallExtension(extension_id, false, &error)) {
LOG(WARNING) << "Cannot uninstall extension with id " << extension_id
<< ": " << error;
return false;
}
return true;
}
ExtensionService::ExtensionService(Profile* profile,
const CommandLine* command_line,
const base::FilePath& install_directory,
extensions::ExtensionPrefs* extension_prefs,
extensions::Blacklist* blacklist,
bool autoupdate_enabled,
bool extensions_enabled,
extensions::OneShotEvent* ready)
: extensions::Blacklist::Observer(blacklist),
profile_(profile),
system_(extensions::ExtensionSystem::Get(profile)),
extension_prefs_(extension_prefs),
blacklist_(blacklist),
extension_sync_service_(NULL),
registry_(extensions::ExtensionRegistry::Get(profile)),
pending_extension_manager_(*this, profile),
install_directory_(install_directory),
extensions_enabled_(extensions_enabled),
show_extensions_prompts_(true),
install_updates_when_idle_(true),
ready_(ready),
update_once_all_providers_are_ready_(false),
browser_terminating_(false),
installs_delayed_for_gc_(false),
is_first_run_(false),
garbage_collector_(new extensions::ExtensionGarbageCollector(this)),
shared_module_service_(new extensions::SharedModuleService(profile_)) {
CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
if (extensions::ExtensionsBrowserClient::Get()->AreExtensionsDisabled(
*command_line, profile))
extensions_enabled_ = false;
registrar_.Add(this, chrome::NOTIFICATION_APP_TERMINATING,
content::NotificationService::AllBrowserContextsAndSources());
registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_PROCESS_TERMINATED,
content::NotificationService::AllBrowserContextsAndSources());
registrar_.Add(this, content::NOTIFICATION_RENDERER_PROCESS_TERMINATED,
content::NotificationService::AllBrowserContextsAndSources());
registrar_.Add(this, chrome::NOTIFICATION_UPGRADE_RECOMMENDED,
content::NotificationService::AllBrowserContextsAndSources());
pref_change_registrar_.Init(profile->GetPrefs());
base::Closure callback =
base::Bind(&ExtensionService::OnExtensionInstallPrefChanged,
base::Unretained(this));
pref_change_registrar_.Add(extensions::pref_names::kInstallAllowList,
callback);
pref_change_registrar_.Add(extensions::pref_names::kInstallDenyList,
callback);
pref_change_registrar_.Add(extensions::pref_names::kAllowedTypes, callback);
if (autoupdate_enabled) {
int update_frequency = extensions::kDefaultUpdateFrequencySeconds;
if (command_line->HasSwitch(switches::kExtensionsUpdateFrequency)) {
base::StringToInt(command_line->GetSwitchValueASCII(
switches::kExtensionsUpdateFrequency),
&update_frequency);
}
updater_.reset(new extensions::ExtensionUpdater(
this,
extension_prefs,
profile->GetPrefs(),
profile,
update_frequency,
extensions::ExtensionCache::GetInstance()));
}
component_loader_.reset(
new extensions::ComponentLoader(this,
profile->GetPrefs(),
g_browser_process->local_state(),
profile));
if (extensions_enabled_) {
extensions::ExternalProviderImpl::CreateExternalProviders(
this, profile_, &external_extension_providers_);
}
is_first_run_ = !extension_prefs_->SetAlertSystemFirstRun();
#if defined(ENABLE_EXTENSIONS)
extension_action_storage_manager_.reset(
new extensions::ExtensionActionStorageManager(profile_));
#endif
shared_module_policy_provider_.reset(new SharedModuleProvider);
UMA_HISTOGRAM_CUSTOM_COUNTS("Extensions.ExtensionRootPathLength",
install_directory_.value().length(), 0, 500, 100);
}
const ExtensionSet* ExtensionService::extensions() const {
return ®istry_->enabled_extensions();
}
const ExtensionSet* ExtensionService::delayed_installs() const {
return &delayed_installs_;
}
extensions::PendingExtensionManager*
ExtensionService::pending_extension_manager() {
return &pending_extension_manager_;
}
ExtensionService::~ExtensionService() {
extensions::ProviderCollection::const_iterator i;
for (i = external_extension_providers_.begin();
i != external_extension_providers_.end(); ++i) {
extensions::ExternalProviderInterface* provider = i->get();
provider->ServiceShutdown();
}
}
void ExtensionService::Shutdown() {
system_->management_policy()->UnregisterProvider(
shared_module_policy_provider_.get());
}
const Extension* ExtensionService::GetExtensionById(
const std::string& id, bool include_disabled) const {
int include_mask = ExtensionRegistry::ENABLED;
if (include_disabled) {
include_mask |= ExtensionRegistry::DISABLED |
ExtensionRegistry::BLACKLISTED;
}
return registry_->GetExtensionById(id, include_mask);
}
void ExtensionService::Init() {
CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
base::Time begin_time = base::Time::Now();
DCHECK(!is_ready());
DCHECK_EQ(registry_->enabled_extensions().size(), 0u);
const CommandLine* cmd_line = CommandLine::ForCurrentProcess();
if (cmd_line->HasSwitch(switches::kInstallFromWebstore) ||
cmd_line->HasSwitch(switches::kLimitedInstallFromWebstore)) {
SetReadyAndNotifyListeners();
} else {
component_loader_->LoadAll();
extensions::InstalledLoader(this).LoadAllExtensions();
ReconcileKnownDisabled();
std::vector<std::string> extensions_to_enable;
const ExtensionSet& disabled_extensions = registry_->disabled_extensions();
for (ExtensionSet::const_iterator iter = disabled_extensions.begin();
iter != disabled_extensions.end(); ++iter) {
const Extension* e = iter->get();
if (extension_prefs_->GetDisableReasons(e->id()) ==
Extension::DISABLE_RELOAD) {
extensions_to_enable.push_back(e->id());
}
}
for (std::vector<std::string>::iterator it = extensions_to_enable.begin();
it != extensions_to_enable.end(); ++it) {
EnableExtension(*it);
}
scoped_ptr<extensions::ExtensionPrefs::ExtensionsInfo> delayed_info(
extension_prefs_->GetAllDelayedInstallInfo());
for (size_t i = 0; i < delayed_info->size(); ++i) {
ExtensionInfo* info = delayed_info->at(i).get();
scoped_refptr<const Extension> extension(NULL);
if (info->extension_manifest) {
std::string error;
extension = Extension::Create(
info->extension_path,
info->extension_location,
*info->extension_manifest,
extension_prefs_->GetDelayedInstallCreationFlags(
info->extension_id),
info->extension_id,
&error);
if (extension.get())
delayed_installs_.Insert(extension);
}
}
MaybeFinishDelayedInstallations();
scoped_ptr<extensions::ExtensionPrefs::ExtensionsInfo> delayed_info2(
extension_prefs_->GetAllDelayedInstallInfo());
UMA_HISTOGRAM_COUNTS_100("Extensions.UpdateOnLoad",
delayed_info2->size() - delayed_info->size());
SetReadyAndNotifyListeners();
CheckForExternalUpdates();
system_->management_policy()->RegisterProvider(
shared_module_policy_provider_.get());
LoadGreylistFromPrefs();
}
UMA_HISTOGRAM_TIMES("Extensions.ExtensionServiceInitTime",
base::Time::Now() - begin_time);
}
void ExtensionService::LoadGreylistFromPrefs() {
scoped_ptr<ExtensionSet> all_extensions =
registry_->GenerateInstalledExtensionsSet();
for (ExtensionSet::const_iterator it = all_extensions->begin();
it != all_extensions->end(); ++it) {
extensions::BlacklistState state =
extension_prefs_->GetExtensionBlacklistState((*it)->id());
if (state == extensions::BLACKLISTED_SECURITY_VULNERABILITY ||
state == extensions::BLACKLISTED_POTENTIALLY_UNWANTED ||
state == extensions::BLACKLISTED_CWS_POLICY_VIOLATION)
greylist_.Insert(*it);
}
}
bool ExtensionService::UpdateExtension(const std::string& id,
const base::FilePath& extension_path,
bool file_ownership_passed,
const GURL& download_url,
CrxInstaller** out_crx_installer) {
CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
if (browser_terminating_) {
LOG(WARNING) << "Skipping UpdateExtension due to browser shutdown";
return false;
}
const extensions::PendingExtensionInfo* pending_extension_info =
pending_extension_manager()->GetById(id);
const Extension* extension = GetInstalledExtension(id);
if (!pending_extension_info && !extension) {
LOG(WARNING) << "Will not update extension " << id
<< " because it is not installed or pending";
if (!GetFileTaskRunner()->PostTask(
FROM_HERE,
base::Bind(
&extension_file_util::DeleteFile, extension_path, false)))
NOTREACHED();
return false;
}
scoped_ptr<ExtensionInstallPrompt> client;
if (pending_extension_info && !pending_extension_info->install_silently())
client.reset(ExtensionInstallUI::CreateInstallPromptWithProfile(profile_));
scoped_refptr<CrxInstaller> installer(
CrxInstaller::Create(this, client.Pass()));
installer->set_expected_id(id);
int creation_flags = Extension::NO_FLAGS;
if (pending_extension_info) {
installer->set_install_source(pending_extension_info->install_source());
if (pending_extension_info->install_silently())
installer->set_allow_silent_install(true);
creation_flags = pending_extension_info->creation_flags();
if (pending_extension_info->mark_acknowledged())
AcknowledgeExternalExtension(id);
} else if (extension) {
installer->set_install_source(extension->location());
}
if ((extension && extension->from_webstore()) ||
(extension && extensions::ManifestURL::UpdatesFromGallery(extension)) ||
(!extension && extension_urls::IsWebstoreUpdateUrl(
pending_extension_info->update_url()))) {
creation_flags |= Extension::FROM_WEBSTORE;
}
if (extension && extension->from_bookmark())
creation_flags |= Extension::FROM_BOOKMARK;
if (extension && extension->was_installed_by_default())
creation_flags |= Extension::WAS_INSTALLED_BY_DEFAULT;
if (extension && extension->was_installed_by_oem())
creation_flags |= Extension::WAS_INSTALLED_BY_OEM;
if (extension && extension->is_ephemeral())
creation_flags |= Extension::IS_EPHEMERAL;
installer->set_creation_flags(creation_flags);
installer->set_delete_source(file_ownership_passed);
installer->set_download_url(download_url);
installer->set_install_cause(extension_misc::INSTALL_CAUSE_UPDATE);
installer->InstallCrx(extension_path);
if (out_crx_installer)
*out_crx_installer = installer.get();
return true;
}
void ExtensionService::ReloadExtension(const std::string extension_id) {
CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
if (extension_prefs_->GetDisableReasons(extension_id) &
Extension::DISABLE_RELOAD) {
return;
}
base::FilePath path;
const Extension* current_extension = GetExtensionById(extension_id, false);
if (current_extension) {
extensions::ProcessManager* manager = system_->process_manager();
extensions::ExtensionHost* host =
manager->GetBackgroundHostForExtension(extension_id);
if (host && DevToolsAgentHost::HasFor(host->render_view_host())) {
scoped_refptr<DevToolsAgentHost> agent_host =
DevToolsAgentHost::GetOrCreateFor(host->render_view_host());
agent_host->DisconnectRenderViewHost();
orphaned_dev_tools_[extension_id] = agent_host;
}
path = current_extension->path();
system_->runtime_data()->SetBeingUpgraded(current_extension, true);
DisableExtension(extension_id, Extension::DISABLE_RELOAD);
reloading_extensions_.insert(extension_id);
} else {
path = unloaded_extension_paths_[extension_id];
}
if (delayed_installs_.Contains(extension_id)) {
FinishDelayedInstallation(extension_id);
return;
}
if (component_loader_->Exists(extension_id)) {
SetBeingReloaded(extension_id, true);
component_loader_->Reload(extension_id);
SetBeingReloaded(extension_id, false);
return;
}
SetBeingReloaded(extension_id, true);
scoped_ptr<ExtensionInfo> installed_extension(
extension_prefs_->GetInstalledExtensionInfo(extension_id));
if (installed_extension.get() &&
installed_extension->extension_manifest.get()) {
extensions::InstalledLoader(this).Load(*installed_extension, false);
} else {
CHECK(!path.empty());
extensions::UnpackedInstaller::Create(this)->Load(path);
}
SetBeingReloaded(extension_id, false);
}
bool ExtensionService::UninstallExtension(
std::string extension_id,
bool external_uninstall,
base::string16* error) {
CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
scoped_refptr<const Extension> extension(GetInstalledExtension(extension_id));
CHECK(extension.get());
if (!external_uninstall &&
!system_->management_policy()->UserMayModifySettings(
extension.get(), error)) {
content::NotificationService::current()->Notify(
chrome::NOTIFICATION_EXTENSION_UNINSTALL_NOT_ALLOWED,
content::Source<Profile>(profile_),
content::Details<const Extension>(extension.get()));
return false;
}
syncer::SyncChange sync_change;
if (extension_sync_service_) {
sync_change = extension_sync_service_->PrepareToSyncUninstallExtension(
extension.get(), is_ready());
}
system_->install_verifier()->Remove(extension->id());
if (IsUnacknowledgedExternalExtension(extension.get())) {
UMA_HISTOGRAM_ENUMERATION("Extensions.ExternalExtensionEvent",
EXTERNAL_EXTENSION_UNINSTALLED,
EXTERNAL_EXTENSION_BUCKET_BOUNDARY);
if (extensions::ManifestURL::UpdatesFromGallery(extension.get())) {
UMA_HISTOGRAM_ENUMERATION("Extensions.ExternalExtensionEventWebstore",
EXTERNAL_EXTENSION_UNINSTALLED,
EXTERNAL_EXTENSION_BUCKET_BOUNDARY);
} else {
UMA_HISTOGRAM_ENUMERATION("Extensions.ExternalExtensionEventNonWebstore",
EXTERNAL_EXTENSION_UNINSTALLED,
EXTERNAL_EXTENSION_BUCKET_BOUNDARY);
}
}
UMA_HISTOGRAM_ENUMERATION("Extensions.UninstallType",
extension->GetType(), 100);
RecordPermissionMessagesHistogram(extension.get(),
"Extensions.Permissions_Uninstall");
UnloadExtension(extension_id, UnloadedExtensionInfo::REASON_UNINSTALL);
if (!Manifest::IsUnpackedLocation(extension->location())) {
if (!GetFileTaskRunner()->PostTask(
FROM_HERE,
base::Bind(
&extension_file_util::UninstallExtension,
install_directory_,
extension_id)))
NOTREACHED();
}
if (!extension->is_ephemeral())
extensions::DataDeleter::StartDeleting(profile_, extension.get());
UntrackTerminatedExtension(extension_id);
content::NotificationService::current()->Notify(
chrome::NOTIFICATION_EXTENSION_UNINSTALLED,
content::Source<Profile>(profile_),
content::Details<const Extension>(extension.get()));
if (extension_sync_service_) {
extension_sync_service_->ProcessSyncUninstallExtension(extension_id,
sync_change);
}
delayed_installs_.Remove(extension_id);
extension_prefs_->OnExtensionUninstalled(extension_id, extension->location(),
external_uninstall);
UMA_HISTOGRAM_ENUMERATION("Extensions.ExtensionUninstalled", 1, 2);
return true;
}
bool ExtensionService::IsExtensionEnabled(
const std::string& extension_id) const {
if (registry_->enabled_extensions().Contains(extension_id) ||
registry_->terminated_extensions().Contains(extension_id)) {
return true;
}
if (registry_->disabled_extensions().Contains(extension_id) ||
registry_->blacklisted_extensions().Contains(extension_id)) {
return false;
}
return !extension_prefs_->IsExtensionDisabled(extension_id) &&
!extension_prefs_->IsExternalExtensionUninstalled(extension_id);
}
void ExtensionService::EnableExtension(const std::string& extension_id) {
CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
if (IsExtensionEnabled(extension_id))
return;
const Extension* extension =
registry_->disabled_extensions().GetByID(extension_id);
ManagementPolicy* policy = system_->management_policy();
if (extension && policy->MustRemainDisabled(extension, NULL, NULL)) {
UMA_HISTOGRAM_COUNTS_100("Extensions.EnableDeniedByPolicy", 1);
return;
}
extension_prefs_->SetExtensionState(extension_id, Extension::ENABLED);
extension_prefs_->ClearDisableReasons(extension_id);
if (!extension)
return;
if (IsUnacknowledgedExternalExtension(extension)) {
UMA_HISTOGRAM_ENUMERATION("Extensions.ExternalExtensionEvent",
EXTERNAL_EXTENSION_REENABLED,
EXTERNAL_EXTENSION_BUCKET_BOUNDARY);
if (extensions::ManifestURL::UpdatesFromGallery(extension)) {
UMA_HISTOGRAM_ENUMERATION("Extensions.ExternalExtensionEventWebstore",
EXTERNAL_EXTENSION_REENABLED,
EXTERNAL_EXTENSION_BUCKET_BOUNDARY);
} else {
UMA_HISTOGRAM_ENUMERATION("Extensions.ExternalExtensionEventNonWebstore",
EXTERNAL_EXTENSION_REENABLED,
EXTERNAL_EXTENSION_BUCKET_BOUNDARY);
}
AcknowledgeExternalExtension(extension->id());
}
registry_->AddEnabled(make_scoped_refptr(extension));
registry_->RemoveDisabled(extension->id());
NotifyExtensionLoaded(extension);
content::NotificationService::current()->Notify(
chrome::NOTIFICATION_EXTENSION_ENABLED,
content::Source<Profile>(profile_),
content::Details<const Extension>(extension));
if (extension_sync_service_)
extension_sync_service_->SyncEnableExtension(*extension);
}
void ExtensionService::DisableExtension(
const std::string& extension_id,
Extension::DisableReason disable_reason) {
CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
if (!IsExtensionEnabled(extension_id))
return;
const Extension* extension = GetInstalledExtension(extension_id);
if (extension &&
disable_reason != Extension::DISABLE_RELOAD &&
!system_->management_policy()->UserMayModifySettings(extension, NULL)) {
return;
}
extension_prefs_->SetExtensionState(extension_id, Extension::DISABLED);
extension_prefs_->AddDisableReason(extension_id, disable_reason);
int include_mask =
ExtensionRegistry::EVERYTHING & ~ExtensionRegistry::DISABLED;
extension = registry_->GetExtensionById(extension_id, include_mask);
if (!extension)
return;
DCHECK(registry_->enabled_extensions().Contains(extension->id()) ||
registry_->terminated_extensions().Contains(extension->id()));
registry_->AddDisabled(make_scoped_refptr(extension));
if (registry_->enabled_extensions().Contains(extension->id())) {
registry_->RemoveEnabled(extension->id());
NotifyExtensionUnloaded(extension, UnloadedExtensionInfo::REASON_DISABLE);
} else {
registry_->RemoveTerminated(extension->id());
}
if (extension_sync_service_)
extension_sync_service_->SyncDisableExtension(*extension);
}
void ExtensionService::DisableUserExtensions(
const std::vector<std::string>& except_ids) {
extensions::ManagementPolicy* management_policy =
system_->management_policy();
extensions::ExtensionList to_disable;
const ExtensionSet& enabled_set = registry_->enabled_extensions();
for (ExtensionSet::const_iterator extension = enabled_set.begin();
extension != enabled_set.end(); ++extension) {
if (management_policy->UserMayModifySettings(extension->get(), NULL) &&
extension->get()->location() != Manifest::EXTERNAL_COMPONENT)
to_disable.push_back(*extension);
}
const ExtensionSet& terminated_set = registry_->terminated_extensions();
for (ExtensionSet::const_iterator extension = terminated_set.begin();
extension != terminated_set.end(); ++extension) {
if (management_policy->UserMayModifySettings(extension->get(), NULL) &&
extension->get()->location() != Manifest::EXTERNAL_COMPONENT)
to_disable.push_back(*extension);
}
for (extensions::ExtensionList::const_iterator extension = to_disable.begin();
extension != to_disable.end(); ++extension) {
if ((*extension)->was_installed_by_default() &&
extension_urls::IsWebstoreUpdateUrl(
extensions::ManifestURL::GetUpdateURL(*extension)))
continue;
const std::string& id = (*extension)->id();
if (except_ids.end() == std::find(except_ids.begin(), except_ids.end(), id))
DisableExtension(id, extensions::Extension::DISABLE_USER_ACTION);
}
}
void ExtensionService::GrantPermissionsAndEnableExtension(
const Extension* extension) {
GrantPermissions(extension);
RecordPermissionMessagesHistogram(
extension, "Extensions.Permissions_ReEnable");
extension_prefs_->SetDidExtensionEscalatePermissions(extension, false);
EnableExtension(extension->id());
}
void ExtensionService::GrantPermissions(const Extension* extension) {
CHECK(extension);
extensions::PermissionsUpdater perms_updater(profile());
perms_updater.GrantActivePermissions(extension);
}
void ExtensionService::RecordPermissionMessagesHistogram(
const Extension* extension, const char* histogram) {
base::HistogramBase* counter = base::LinearHistogram::FactoryGet(
histogram,
1,
PermissionMessage::kEnumBoundary,
PermissionMessage::kEnumBoundary + 1,
base::HistogramBase::kUmaTargetedHistogramFlag);
PermissionMessages permissions =
extensions::PermissionsData::GetPermissionMessages(extension);
if (permissions.empty()) {
counter->Add(PermissionMessage::kNone);
} else {
for (PermissionMessages::iterator it = permissions.begin();
it != permissions.end(); ++it)
counter->Add(it->id());
}
}
void ExtensionService::NotifyExtensionLoaded(const Extension* extension) {
system_->RegisterExtensionWithRequestContexts(extension);
if (!extension->is_theme()) {
for (content::RenderProcessHost::iterator i(
content::RenderProcessHost::AllHostsIterator());
!i.IsAtEnd(); i.Advance()) {
content::RenderProcessHost* host = i.GetCurrentValue();
Profile* host_profile =
Profile::FromBrowserContext(host->GetBrowserContext());
if (host_profile->GetOriginalProfile() ==
profile_->GetOriginalProfile()) {
std::vector<ExtensionMsg_Loaded_Params> loaded_extensions(
1, ExtensionMsg_Loaded_Params(extension));
host->Send(
new ExtensionMsg_Loaded(loaded_extensions));
}
}
}
registry_->TriggerOnLoaded(extension);
content::NotificationService::current()->Notify(
chrome::NOTIFICATION_EXTENSION_LOADED,
content::Source<Profile>(profile_),
content::Details<const Extension>(extension));
profile_->GetExtensionSpecialStoragePolicy()->
GrantRightsForExtension(extension);
UpdateActiveExtensionsInCrashReporter();
if (extensions::PermissionsData::HasHostPermission(
extension, GURL(chrome::kChromeUIFaviconURL))) {
FaviconSource* favicon_source = new FaviconSource(profile_,
FaviconSource::FAVICON);
content::URLDataSource::Add(profile_, favicon_source);
}
#if !defined(OS_ANDROID)
if (extensions::PermissionsData::HasHostPermission(
extension, GURL(chrome::kChromeUIThemeURL))) {
ThemeSource* theme_source = new ThemeSource(profile_);
content::URLDataSource::Add(profile_, theme_source);
}
#endif
if (extensions::PermissionsData::HasHostPermission(
extension, GURL(chrome::kChromeUIThumbnailURL))) {
ThumbnailSource* thumbnail_source = new ThumbnailSource(profile_, false);
content::URLDataSource::Add(profile_, thumbnail_source);
}
}
void ExtensionService::NotifyExtensionUnloaded(
const Extension* extension,
UnloadedExtensionInfo::Reason reason) {
registry_->TriggerOnUnloaded(extension);
UnloadedExtensionInfo details(extension, reason);
content::NotificationService::current()->Notify(
chrome::NOTIFICATION_EXTENSION_UNLOADED_DEPRECATED,
content::Source<Profile>(profile_),
content::Details<UnloadedExtensionInfo>(&details));
for (content::RenderProcessHost::iterator i(
content::RenderProcessHost::AllHostsIterator());
!i.IsAtEnd(); i.Advance()) {
content::RenderProcessHost* host = i.GetCurrentValue();
Profile* host_profile =
Profile::FromBrowserContext(host->GetBrowserContext());
if (host_profile->GetOriginalProfile() == profile_->GetOriginalProfile())
host->Send(new ExtensionMsg_Unloaded(extension->id()));
}
system_->UnregisterExtensionWithRequestContexts(extension->id(), reason);
profile_->GetExtensionSpecialStoragePolicy()->
RevokeRightsForExtension(extension);
#if defined(OS_CHROMEOS)
GURL site =
extensions::util::GetSiteForExtensionId(extension->id(), profile_);
fileapi::FileSystemContext* filesystem_context =
BrowserContext::GetStoragePartitionForSite(profile_, site)->
GetFileSystemContext();
if (filesystem_context && filesystem_context->external_backend()) {
filesystem_context->external_backend()->
RevokeAccessForExtension(extension->id());
}
#endif
UpdateActiveExtensionsInCrashReporter();
}
Profile* ExtensionService::profile() {
return profile_;
}
content::BrowserContext* ExtensionService::GetBrowserContext() const {
return profile_;
}
bool ExtensionService::is_ready() {
return ready_->is_signaled();
}
base::SequencedTaskRunner* ExtensionService::GetFileTaskRunner() {
if (file_task_runner_.get())
return file_task_runner_.get();
std::string token("ext_install-");
token.append(profile_->GetPath().AsUTF8Unsafe());
file_task_runner_ = BrowserThread::GetBlockingPool()->
GetSequencedTaskRunnerWithShutdownBehavior(
BrowserThread::GetBlockingPool()->GetNamedSequenceToken(token),
base::SequencedWorkerPool::SKIP_ON_SHUTDOWN);
return file_task_runner_.get();
}
extensions::ExtensionUpdater* ExtensionService::updater() {
return updater_.get();
}
void ExtensionService::CheckManagementPolicy() {
std::vector<std::string> to_unload;
std::map<std::string, Extension::DisableReason> to_disable;
const ExtensionSet& extensions = registry_->enabled_extensions();
for (ExtensionSet::const_iterator iter = extensions.begin();
iter != extensions.end(); ++iter) {
const Extension* extension = (iter->get());
if (!system_->management_policy()->UserMayLoad(extension, NULL))
to_unload.push_back(extension->id());
Extension::DisableReason disable_reason = Extension::DISABLE_NONE;
if (system_->management_policy()->MustRemainDisabled(
extension, &disable_reason, NULL))
to_disable[extension->id()] = disable_reason;
}
for (size_t i = 0; i < to_unload.size(); ++i)
UnloadExtension(to_unload[i], UnloadedExtensionInfo::REASON_DISABLE);
for (std::map<std::string, Extension::DisableReason>::const_iterator i =
to_disable.begin(); i != to_disable.end(); ++i)
DisableExtension(i->first, i->second);
}
void ExtensionService::CheckForUpdatesSoon() {
if (!updater_.get())
return;
if (AreAllExternalProvidersReady()) {
updater_->CheckSoon();
} else {
update_once_all_providers_are_ready_ = true;
}
}
void ExtensionService::CheckForExternalUpdates() {
CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
extensions::ProviderCollection::const_iterator i;
for (i = external_extension_providers_.begin();
i != external_extension_providers_.end(); ++i) {
extensions::ExternalProviderInterface* provider = i->get();
provider->VisitRegisteredExtension();
}
if (external_extension_providers_.empty()) {
OnAllExternalProvidersReady();
}
}
void ExtensionService::OnExternalProviderReady(
const extensions::ExternalProviderInterface* provider) {
CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
CHECK(provider->IsReady());
if (AreAllExternalProvidersReady())
OnAllExternalProvidersReady();
}
bool ExtensionService::AreAllExternalProvidersReady() const {
extensions::ProviderCollection::const_iterator i;
for (i = external_extension_providers_.begin();
i != external_extension_providers_.end(); ++i) {
if (!i->get()->IsReady())
return false;
}
return true;
}
void ExtensionService::OnAllExternalProvidersReady() {
CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
base::TimeDelta elapsed = base::Time::Now() - profile_->GetStartTime();
UMA_HISTOGRAM_TIMES("Extension.ExternalProvidersReadyAfter", elapsed);
if (update_once_all_providers_are_ready_ && updater()) {
update_once_all_providers_are_ready_ = false;
extensions::ExtensionUpdater::CheckParams params;
params.callback = external_updates_finished_callback_;
updater()->CheckNow(params);
}
scoped_ptr<extensions::ExtensionPrefs::ExtensionsInfo> extensions_info(
extension_prefs_->GetInstalledExtensionsInfo());
for (size_t i = 0; i < extensions_info->size(); ++i) {
ExtensionInfo* info = extensions_info->at(i).get();
if (Manifest::IsExternalLocation(info->extension_location))
CheckExternalUninstall(info->extension_id);
}
IdentifyAlertableExtensions();
}
void ExtensionService::IdentifyAlertableExtensions() {
CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
extension_error_ui_.reset(ExtensionErrorUI::Create(this));
bool did_show_alert = false;
if (PopulateExtensionErrorUI(extension_error_ui_.get())) {
if (!is_first_run_) {
CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
did_show_alert = extension_error_ui_->ShowErrorInBubbleView();
} else {
HandleExtensionAlertAccept();
}
}
UpdateExternalExtensionAlert();
if (!did_show_alert)
extension_error_ui_.reset();
}
bool ExtensionService::PopulateExtensionErrorUI(
ExtensionErrorUI* extension_error_ui) {
bool needs_alert = false;
const ExtensionSet& blacklisted_set = registry_->blacklisted_extensions();
for (ExtensionSet::const_iterator it = blacklisted_set.begin();
it != blacklisted_set.end(); ++it) {
std::string id = (*it)->id();
if (!extension_prefs_->IsBlacklistedExtensionAcknowledged(id)) {
extension_error_ui->AddBlacklistedExtension(id);
needs_alert = true;
}
}
const ExtensionSet& enabled_set = registry_->enabled_extensions();
for (ExtensionSet::const_iterator iter = enabled_set.begin();
iter != enabled_set.end(); ++iter) {
const Extension* e = iter->get();
if (pending_extension_manager()->IsIdPending(e->id()))
continue;
if (!system_->management_policy()->UserMayLoad(e, NULL)) {
if (!extension_prefs_->IsBlacklistedExtensionAcknowledged(e->id())) {
extension_error_ui->AddBlacklistedExtension(e->id());
needs_alert = true;
}
}
}
return needs_alert;
}
void ExtensionService::HandleExtensionAlertClosed() {
const ExtensionIdSet* extension_ids =
extension_error_ui_->get_blacklisted_extension_ids();
for (ExtensionIdSet::const_iterator iter = extension_ids->begin();
iter != extension_ids->end(); ++iter) {
extension_prefs_->AcknowledgeBlacklistedExtension(*iter);
}
extension_error_ui_.reset();
}
void ExtensionService::HandleExtensionAlertAccept() {
extension_error_ui_->Close();
}
void ExtensionService::AcknowledgeExternalExtension(const std::string& id) {
extension_prefs_->AcknowledgeExternalExtension(id);
UpdateExternalExtensionAlert();
}
bool ExtensionService::IsUnacknowledgedExternalExtension(
const Extension* extension) {
if (!FeatureSwitch::prompt_for_external_extensions()->IsEnabled())
return false;
return (Manifest::IsExternalLocation(extension->location()) &&
!extension_prefs_->IsExternalExtensionAcknowledged(extension->id()) &&
!(extension_prefs_->GetDisableReasons(extension->id()) &
Extension::DISABLE_SIDELOAD_WIPEOUT));
}
void ExtensionService::ReconcileKnownDisabled() {
ExtensionIdSet known_disabled_ids;
if (!extension_prefs_->GetKnownDisabled(&known_disabled_ids)) {
extension_prefs_->SetKnownDisabled(
registry_->disabled_extensions().GetIDs());
UMA_HISTOGRAM_BOOLEAN("Extensions.KnownDisabledInitialized", true);
return;
}
const ExtensionSet& enabled_set = registry_->enabled_extensions();
ExtensionSet::const_iterator extensions_it = enabled_set.begin();
ExtensionIdSet::const_iterator known_disabled_ids_it =
known_disabled_ids.begin();
int known_disabled_count = 0;
while (extensions_it != enabled_set.end() &&
known_disabled_ids_it != known_disabled_ids.end()) {
const std::string& extension_id = extensions_it->get()->id();
const int comparison = extension_id.compare(*known_disabled_ids_it);
if (comparison < 0) {
++extensions_it;
} else if (comparison > 0) {
++known_disabled_ids_it;
} else {
++known_disabled_count;
++extensions_it;
++known_disabled_ids_it;
DisableExtension(extension_id, Extension::DISABLE_KNOWN_DISABLED);
}
}
UMA_HISTOGRAM_COUNTS_100("Extensions.KnownDisabledReDisabled",
known_disabled_count);
registry_->SetDisabledModificationCallback(
base::Bind(&extensions::ExtensionPrefs::SetKnownDisabled,
base::Unretained(extension_prefs_)));
}
void ExtensionService::HandleExtensionAlertDetails() {
extension_error_ui_->ShowExtensions();
if (extension_error_ui_)
extension_error_ui_->Close();
}
void ExtensionService::UpdateExternalExtensionAlert() {
if (!FeatureSwitch::prompt_for_external_extensions()->IsEnabled())
return;
const Extension* extension = NULL;
const ExtensionSet& disabled_extensions = registry_->disabled_extensions();
for (ExtensionSet::const_iterator iter = disabled_extensions.begin();
iter != disabled_extensions.end(); ++iter) {
const Extension* e = iter->get();
if (IsUnacknowledgedExternalExtension(e)) {
extension = e;
break;
}
}
if (extension) {
if (!extensions::HasExternalInstallError(this)) {
if (extension_prefs_->IncrementAcknowledgePromptCount(extension->id()) >
kMaxExtensionAcknowledgePromptCount) {
extension_prefs_->AcknowledgeExternalExtension(extension->id());
UpdateExternalExtensionAlert();
UMA_HISTOGRAM_ENUMERATION("Extensions.ExternalExtensionEvent",
EXTERNAL_EXTENSION_IGNORED,
EXTERNAL_EXTENSION_BUCKET_BOUNDARY);
if (extensions::ManifestURL::UpdatesFromGallery(extension)) {
UMA_HISTOGRAM_ENUMERATION(
"Extensions.ExternalExtensionEventWebstore",
EXTERNAL_EXTENSION_IGNORED,
EXTERNAL_EXTENSION_BUCKET_BOUNDARY);
} else {
UMA_HISTOGRAM_ENUMERATION(
"Extensions.ExternalExtensionEventNonWebstore",
EXTERNAL_EXTENSION_IGNORED,
EXTERNAL_EXTENSION_BUCKET_BOUNDARY);
}
return;
}
if (is_first_run_)
extension_prefs_->SetExternalInstallFirstRun(extension->id());
bool first_run = extension_prefs_->IsExternalInstallFirstRun(
extension->id());
extensions::AddExternalInstallError(this, extension, first_run);
}
} else {
extensions::RemoveExternalInstallError(this);
}
}
void ExtensionService::UnloadExtension(
const std::string& extension_id,
UnloadedExtensionInfo::Reason reason) {
int include_mask =
ExtensionRegistry::EVERYTHING & ~ExtensionRegistry::TERMINATED;
scoped_refptr<const Extension> extension(
registry_->GetExtensionById(extension_id, include_mask));
if (!extension.get()) {
system_->UnregisterExtensionWithRequestContexts(extension_id, reason);
return;
}
unloaded_extension_paths_[extension->id()] = extension->path();
reloading_extensions_.erase(extension->id());
if (registry_->disabled_extensions().Contains(extension->id())) {
registry_->RemoveDisabled(extension->id());
system_->UnregisterExtensionWithRequestContexts(extension_id, reason);
} else {
registry_->RemoveEnabled(extension->id());
NotifyExtensionUnloaded(extension.get(), reason);
}
content::NotificationService::current()->Notify(
chrome::NOTIFICATION_EXTENSION_REMOVED,
content::Source<Profile>(profile_),
content::Details<const Extension>(extension.get()));
}
void ExtensionService::RemoveComponentExtension(
const std::string& extension_id) {
scoped_refptr<const Extension> extension(
GetExtensionById(extension_id, false));
UnloadExtension(extension_id, UnloadedExtensionInfo::REASON_UNINSTALL);
content::NotificationService::current()->Notify(
chrome::NOTIFICATION_EXTENSION_UNINSTALLED,
content::Source<Profile>(profile_),
content::Details<const Extension>(extension.get()));
}
void ExtensionService::UnloadAllExtensionsForTest() {
UnloadAllExtensionsInternal();
}
void ExtensionService::ReloadExtensionsForTest() {
UnloadAllExtensionsInternal();
component_loader_->LoadAll();
extensions::InstalledLoader(this).LoadAllExtensions();
}
void ExtensionService::SetReadyAndNotifyListeners() {
ready_->Signal();
content::NotificationService::current()->Notify(
chrome::NOTIFICATION_EXTENSIONS_READY,
content::Source<Profile>(profile_),
content::NotificationService::NoDetails());
}
void ExtensionService::OnLoadedInstalledExtensions() {
if (updater_)
updater_->Start();
OnBlacklistUpdated();
}
void ExtensionService::AddExtension(const Extension* extension) {
if (!extensions_enabled() &&
!extension->is_theme() &&
extension->location() != Manifest::COMPONENT &&
!Manifest::IsExternalLocation(extension->location())) {
return;
}
bool is_extension_upgrade = false;
bool is_extension_installed = false;
const Extension* old = GetInstalledExtension(extension->id());
if (old) {
is_extension_installed = true;
int version_compare_result =
extension->version()->CompareTo(*(old->version()));
is_extension_upgrade = version_compare_result > 0;
if (!Manifest::IsUnpackedLocation(extension->location()))
CHECK_GE(version_compare_result, 0);
}
system_->runtime_data()->SetBeingUpgraded(extension, is_extension_upgrade);
unloaded_extension_paths_.erase(extension->id());
UntrackTerminatedExtension(extension->id());
bool reloading = reloading_extensions_.erase(extension->id()) > 0;
CheckPermissionsIncrease(extension, is_extension_installed);
if (is_extension_installed && !reloading) {
UnloadExtension(extension->id(), UnloadedExtensionInfo::REASON_UPDATE);
}
if (extension_prefs_->IsExtensionBlacklisted(extension->id())) {
registry_->AddBlacklisted(extension);
} else if (!reloading &&
extension_prefs_->IsExtensionDisabled(extension->id())) {
registry_->AddDisabled(extension);
if (extension_sync_service_)
extension_sync_service_->SyncExtensionChangeIfNeeded(*extension);
content::NotificationService::current()->Notify(
chrome::NOTIFICATION_EXTENSION_UPDATE_DISABLED,
content::Source<Profile>(profile_),
content::Details<const Extension>(extension));
if (extension_prefs_->GetDisableReasons(extension->id()) ==
Extension::DISABLE_PERMISSIONS_INCREASE) {
extensions::AddExtensionDisabledError(this, extension);
}
} else if (reloading) {
CHECK(!registry_->AddDisabled(extension));
EnableExtension(extension->id());
} else {
if (extension->RequiresSortOrdinal()) {
if (!extension->ShouldDisplayInNewTabPage()) {
extension_prefs_->app_sorting()->MarkExtensionAsHidden(extension->id());
}
extension_prefs_->app_sorting()->EnsureValidOrdinals(
extension->id(), syncer::StringOrdinal());
}
registry_->AddEnabled(extension);
if (extension_sync_service_)
extension_sync_service_->SyncExtensionChangeIfNeeded(*extension);
NotifyExtensionLoaded(extension);
}
system_->runtime_data()->SetBeingUpgraded(extension, false);
}
void ExtensionService::AddComponentExtension(const Extension* extension) {
const std::string old_version_string(
extension_prefs_->GetVersionString(extension->id()));
const Version old_version(old_version_string);
VLOG(1) << "AddComponentExtension " << extension->name();
if (!old_version.IsValid() || !old_version.Equals(*extension->version())) {
VLOG(1) << "Component extension " << extension->name() << " ("
<< extension->id() << ") installing/upgrading from '"
<< old_version_string << "' to " << extension->version()->GetString();
AddNewOrUpdatedExtension(extension,
Extension::ENABLED_COMPONENT,
extensions::NOT_BLACKLISTED,
syncer::StringOrdinal(),
std::string());
return;
}
AddExtension(extension);
}
void ExtensionService::UpdateActivePermissions(const Extension* extension) {
scoped_refptr<PermissionSet> active_permissions =
extension_prefs_->GetActivePermissions(extension->id());
if (active_permissions.get()) {
scoped_refptr<PermissionSet> total_permissions =
PermissionSet::CreateUnion(
extensions::PermissionsData::GetRequiredPermissions(extension),
extensions::PermissionsData::GetOptionalPermissions(extension));
scoped_refptr<PermissionSet> adjusted_active =
PermissionSet::CreateIntersection(
total_permissions.get(), active_permissions.get());
adjusted_active = PermissionSet::CreateUnion(
extensions::PermissionsData::GetRequiredPermissions(extension),
adjusted_active.get());
extensions::PermissionsUpdater perms_updater(profile());
perms_updater.UpdateActivePermissions(extension, adjusted_active.get());
}
}
void ExtensionService::CheckPermissionsIncrease(const Extension* extension,
bool is_extension_installed) {
UpdateActivePermissions(extension);
int disable_reasons = extension_prefs_->GetDisableReasons(extension->id());
bool auto_grant_permission =
(!is_extension_installed && extension->was_installed_by_default()) ||
extensions::ExtensionsBrowserClient::Get()->IsRunningInForcedAppMode();
if (auto_grant_permission)
GrantPermissions(extension);
bool is_privilege_increase = false;
if (!extensions::PermissionsData::CanSilentlyIncreasePermissions(extension) &&
!auto_grant_permission) {
scoped_refptr<PermissionSet> granted_permissions =
extension_prefs_->GetGrantedPermissions(extension->id());
CHECK(granted_permissions.get());
is_privilege_increase =
extensions::PermissionMessageProvider::Get()->IsPrivilegeIncrease(
granted_permissions,
extension->GetActivePermissions().get(),
extension->GetType());
}
if (is_extension_installed) {
bool previously_disabled =
extension_prefs_->IsExtensionDisabled(extension->id());
if (previously_disabled && disable_reasons == Extension::DISABLE_NONE &&
!extension_prefs_->DidExtensionEscalatePermissions(extension->id())) {
disable_reasons |= Extension::DISABLE_USER_ACTION;
}
if (previously_disabled &&
disable_reasons == Extension::DISABLE_UNKNOWN_FROM_SYNC) {
extension_prefs_->ClearDisableReasons(extension->id());
if (!is_privilege_increase)
disable_reasons |= Extension::DISABLE_USER_ACTION;
}
disable_reasons &= ~Extension::DISABLE_UNKNOWN_FROM_SYNC;
}
if (is_privilege_increase) {
disable_reasons |= Extension::DISABLE_PERMISSIONS_INCREASE;
if (!extension_prefs_->DidExtensionEscalatePermissions(extension->id())) {
RecordPermissionMessagesHistogram(
extension, "Extensions.Permissions_AutoDisable");
}
extension_prefs_->SetExtensionState(extension->id(), Extension::DISABLED);
extension_prefs_->SetDidExtensionEscalatePermissions(extension, true);
}
if (disable_reasons != Extension::DISABLE_NONE) {
extension_prefs_->AddDisableReason(
extension->id(),
static_cast<Extension::DisableReason>(disable_reasons));
}
}
void ExtensionService::UpdateActiveExtensionsInCrashReporter() {
std::set<std::string> extension_ids;
const ExtensionSet& extensions = registry_->enabled_extensions();
for (ExtensionSet::const_iterator iter = extensions.begin();
iter != extensions.end(); ++iter) {
const Extension* extension = iter->get();
if (!extension->is_theme() && extension->location() != Manifest::COMPONENT)
extension_ids.insert(extension->id());
}
crash_keys::SetActiveExtensions(extension_ids);
}
void ExtensionService::OnExtensionInstalled(
const Extension* extension,
const syncer::StringOrdinal& page_ordinal,
bool has_requirement_errors,
extensions::BlacklistState blacklist_state,
bool wait_for_idle) {
CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
const std::string& id = extension->id();
bool initial_enable = ShouldEnableOnInstall(extension);
std::string install_parameter;
const extensions::PendingExtensionInfo* pending_extension_info = NULL;
if ((pending_extension_info = pending_extension_manager()->GetById(id))) {
if (!pending_extension_info->ShouldAllowInstall(extension)) {
pending_extension_manager()->Remove(id);
LOG(WARNING) << "ShouldAllowInstall() returned false for "
<< id << " of type " << extension->GetType()
<< " and update URL "
<< extensions::ManifestURL::GetUpdateURL(extension).spec()
<< "; not installing";
if (!GetFileTaskRunner()->PostTask(
FROM_HERE,
base::Bind(&extension_file_util::DeleteFile,
extension->path(), true))) {
NOTREACHED();
}
return;
}
install_parameter = pending_extension_info->install_parameter();
pending_extension_manager()->Remove(id);
} else {
if (extension_prefs_->IsExternalExtensionUninstalled(id)) {
initial_enable = true;
}
}
if (has_requirement_errors) {
initial_enable = false;
extension_prefs_->AddDisableReason(
id, Extension::DISABLE_UNSUPPORTED_REQUIREMENT);
} else if (extension_prefs_->GetDisableReasons(id) ==
Extension::DISABLE_UNSUPPORTED_REQUIREMENT) {
initial_enable = true;
extension_prefs_->ClearDisableReasons(id);
}
if (blacklist_state == extensions::BLACKLISTED_MALWARE) {
extension_prefs_->AcknowledgeBlacklistedExtension(id);
UMA_HISTOGRAM_ENUMERATION("ExtensionBlacklist.SilentInstall",
extension->location(),
Manifest::NUM_LOCATIONS);
}
if (!GetInstalledExtension(extension->id())) {
UMA_HISTOGRAM_ENUMERATION("Extensions.InstallType",
extension->GetType(), 100);
UMA_HISTOGRAM_ENUMERATION("Extensions.InstallSource",
extension->location(), Manifest::NUM_LOCATIONS);
RecordPermissionMessagesHistogram(
extension, "Extensions.Permissions_Install");
} else {
UMA_HISTOGRAM_ENUMERATION("Extensions.UpdateType",
extension->GetType(), 100);
UMA_HISTOGRAM_ENUMERATION("Extensions.UpdateSource",
extension->location(), Manifest::NUM_LOCATIONS);
}
if (Manifest::IsPolicyLocation(extension->location()) ||
extension->location() == Manifest::EXTERNAL_COMPONENT)
AcknowledgeExternalExtension(extension->id());
const Extension::State initial_state =
initial_enable ? Extension::ENABLED : Extension::DISABLED;
const bool blacklisted_for_malware =
blacklist_state == extensions::BLACKLISTED_MALWARE;
if (ShouldDelayExtensionUpdate(id, wait_for_idle)) {
extension_prefs_->SetDelayedInstallInfo(
extension,
initial_state,
blacklisted_for_malware,
extensions::ExtensionPrefs::DELAY_REASON_WAIT_FOR_IDLE,
page_ordinal,
install_parameter);
delayed_installs_.Insert(extension);
FOR_EACH_OBSERVER(extensions::UpdateObserver, update_observers_,
OnAppUpdateAvailable(extension));
return;
}
extensions::SharedModuleService::ImportStatus status =
shared_module_service_->SatisfyImports(extension);
if (installs_delayed_for_gc_) {
extension_prefs_->SetDelayedInstallInfo(
extension,
initial_state,
blacklisted_for_malware,
extensions::ExtensionPrefs::DELAY_REASON_GC,
page_ordinal,
install_parameter);
delayed_installs_.Insert(extension);
} else if (status != SharedModuleService::IMPORT_STATUS_OK) {
if (status == SharedModuleService::IMPORT_STATUS_UNSATISFIED) {
extension_prefs_->SetDelayedInstallInfo(
extension,
initial_state,
blacklisted_for_malware,
extensions::ExtensionPrefs::DELAY_REASON_WAIT_FOR_IMPORTS,
page_ordinal,
install_parameter);
delayed_installs_.Insert(extension);
}
} else {
AddNewOrUpdatedExtension(extension,
initial_state,
blacklist_state,
page_ordinal,
install_parameter);
}
}
void ExtensionService::AddNewOrUpdatedExtension(
const Extension* extension,
Extension::State initial_state,
extensions::BlacklistState blacklist_state,
const syncer::StringOrdinal& page_ordinal,
const std::string& install_parameter) {
CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
const bool blacklisted_for_malware =
blacklist_state == extensions::BLACKLISTED_MALWARE;
extension_prefs_->OnExtensionInstalled(extension,
initial_state,
blacklisted_for_malware,
page_ordinal,
install_parameter);
delayed_installs_.Remove(extension->id());
if (InstallVerifier::NeedsVerification(*extension))
system_->install_verifier()->VerifyExtension(extension->id());
FinishInstallation(extension);
}
void ExtensionService::MaybeFinishDelayedInstallation(
const std::string& extension_id) {
if (!delayed_installs_.Contains(extension_id))
return;
extensions::ExtensionPrefs::DelayReason reason =
extension_prefs_->GetDelayedInstallReason(extension_id);
if ((reason == extensions::ExtensionPrefs::DELAY_REASON_WAIT_FOR_IDLE ||
reason == extensions::ExtensionPrefs::DELAY_REASON_NONE) &&
is_ready() && !extensions::util::IsExtensionIdle(extension_id, profile_))
return;
const Extension* extension = delayed_installs_.GetByID(extension_id);
if (reason == extensions::ExtensionPrefs::DELAY_REASON_WAIT_FOR_IMPORTS) {
extensions::SharedModuleService::ImportStatus status =
shared_module_service_->SatisfyImports(extension);
if (status != SharedModuleService::IMPORT_STATUS_OK) {
if (status == SharedModuleService::IMPORT_STATUS_UNRECOVERABLE) {
delayed_installs_.Remove(extension_id);
CHECK(!extension_prefs_->GetInstalledExtensionInfo(extension_id).get());
extension_prefs_->DeleteExtensionPrefs(extension_id);
}
return;
}
}
FinishDelayedInstallation(extension_id);
}
void ExtensionService::FinishDelayedInstallation(
const std::string& extension_id) {
scoped_refptr<const Extension> extension(
GetPendingExtensionUpdate(extension_id));
CHECK(extension.get());
delayed_installs_.Remove(extension_id);
if (!extension_prefs_->FinishDelayedInstallInfo(extension_id))
NOTREACHED();
FinishInstallation(extension.get());
}
void ExtensionService::FinishInstallation(const Extension* extension) {
const extensions::Extension* existing_extension =
GetInstalledExtension(extension->id());
bool is_update = false;
std::string old_name;
if (existing_extension) {
is_update = true;
old_name = existing_extension->name();
}
extensions::InstalledExtensionInfo details(extension, is_update, old_name);
content::NotificationService::current()->Notify(
chrome::NOTIFICATION_EXTENSION_INSTALLED,
content::Source<Profile>(profile_),
content::Details<const extensions::InstalledExtensionInfo>(&details));
bool unacknowledged_external = IsUnacknowledgedExternalExtension(extension);
if (Manifest::ShouldAlwaysAllowFileAccess(extension->location()) &&
!extension_prefs_->HasAllowFileAccessSetting(extension->id())) {
extension_prefs_->SetAllowFileAccess(extension->id(), true);
}
AddExtension(extension);
if (unacknowledged_external && !is_update) {
UpdateExternalExtensionAlert();
UMA_HISTOGRAM_ENUMERATION("Extensions.ExternalExtensionEvent",
EXTERNAL_EXTENSION_INSTALLED,
EXTERNAL_EXTENSION_BUCKET_BOUNDARY);
if (extensions::ManifestURL::UpdatesFromGallery(extension)) {
UMA_HISTOGRAM_ENUMERATION("Extensions.ExternalExtensionEventWebstore",
EXTERNAL_EXTENSION_INSTALLED,
EXTERNAL_EXTENSION_BUCKET_BOUNDARY);
} else {
UMA_HISTOGRAM_ENUMERATION("Extensions.ExternalExtensionEventNonWebstore",
EXTERNAL_EXTENSION_INSTALLED,
EXTERNAL_EXTENSION_BUCKET_BOUNDARY);
}
}
if (SharedModuleInfo::IsSharedModule(extension)) {
MaybeFinishDelayedInstallations();
}
}
const Extension* ExtensionService::GetPendingExtensionUpdate(
const std::string& id) const {
return delayed_installs_.GetByID(id);
}
void ExtensionService::TrackTerminatedExtension(const Extension* extension) {
registry_->AddTerminated(make_scoped_refptr(extension));
extensions_being_terminated_.erase(extension->id());
UnloadExtension(extension->id(), UnloadedExtensionInfo::REASON_TERMINATE);
}
void ExtensionService::UntrackTerminatedExtension(const std::string& id) {
std::string lowercase_id = StringToLowerASCII(id);
const Extension* extension =
registry_->terminated_extensions().GetByID(lowercase_id);
registry_->RemoveTerminated(lowercase_id);
if (extension) {
content::NotificationService::current()->Notify(
chrome::NOTIFICATION_EXTENSION_REMOVED,
content::Source<Profile>(profile_),
content::Details<const Extension>(extension));
}
}
const Extension* ExtensionService::GetInstalledExtension(
const std::string& id) const {
return registry_->GetExtensionById(id, ExtensionRegistry::EVERYTHING);
}
bool ExtensionService::OnExternalExtensionFileFound(
const std::string& id,
const Version* version,
const base::FilePath& path,
Manifest::Location location,
int creation_flags,
bool mark_acknowledged) {
CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
CHECK(Extension::IdIsValid(id));
if (extension_prefs_->IsExternalExtensionUninstalled(id))
return false;
const Extension* existing = GetExtensionById(id, true);
if (existing) {
bool is_default_apps_migration =
(location == Manifest::INTERNAL &&
Manifest::IsExternalLocation(existing->location()));
if (!is_default_apps_migration) {
DCHECK(version);
switch (existing->version()->CompareTo(*version)) {
case -1:
break;
case 0:
return false;
case 1:
LOG(WARNING) << "Found external version of extension " << id
<< "that is older than current version. Current version "
<< "is: " << existing->VersionString() << ". New "
<< "version is: " << version->GetString()
<< ". Keeping current version.";
return false;
}
}
}
if (!pending_extension_manager()->AddFromExternalFile(
id, location, *version, creation_flags, mark_acknowledged)) {
return false;
}
scoped_refptr<CrxInstaller> installer(CrxInstaller::CreateSilent(this));
installer->set_install_source(location);
installer->set_expected_id(id);
installer->set_expected_version(*version);
installer->set_install_cause(extension_misc::INSTALL_CAUSE_EXTERNAL_FILE);
installer->set_creation_flags(creation_flags);
#if defined(OS_CHROMEOS)
extensions::InstallLimiter::Get(profile_)->Add(installer, path);
#else
installer->InstallCrx(path);
#endif
if (mark_acknowledged)
AcknowledgeExternalExtension(id);
return true;
}
void ExtensionService::ReportExtensionLoadError(
const base::FilePath& extension_path,
const std::string &error,
bool be_noisy) {
content::NotificationService::current()->Notify(
chrome::NOTIFICATION_EXTENSION_LOAD_ERROR,
content::Source<Profile>(profile_),
content::Details<const std::string>(&error));
std::string path_str = base::UTF16ToUTF8(extension_path.LossyDisplayName());
bool retry = false;
std::string retry_prompt;
if (be_noisy)
retry_prompt = "\n\nWould you like to retry?";
base::string16 message = base::UTF8ToUTF16(
base::StringPrintf("Could not load extension from '%s'. %s%s",
path_str.c_str(),
error.c_str(),
retry_prompt.c_str()));
ExtensionErrorReporter::GetInstance()->ReportError(message, be_noisy, &retry);
NotifyLoadRetry(retry, extension_path);
}
void ExtensionService::NotifyLoadRetry(bool retry,
const base::FilePath& extension_path) {
std::pair<bool, const base::FilePath&> details(retry, extension_path);
content::NotificationService::current()->Notify(
chrome::NOTIFICATION_EXTENSION_LOAD_RETRY,
content::Source<Profile>(profile_),
content::Details<std::pair<bool, const base::FilePath&> >(&details));
}
void ExtensionService::DidCreateRenderViewForBackgroundPage(
extensions::ExtensionHost* host) {
OrphanedDevTools::iterator iter =
orphaned_dev_tools_.find(host->extension_id());
if (iter == orphaned_dev_tools_.end())
return;
iter->second->ConnectRenderViewHost(host->render_view_host());
orphaned_dev_tools_.erase(iter);
}
void ExtensionService::Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) {
switch (type) {
case chrome::NOTIFICATION_APP_TERMINATING:
browser_terminating_ = true;
break;
case chrome::NOTIFICATION_EXTENSION_PROCESS_TERMINATED: {
if (profile_ !=
content::Source<Profile>(source).ptr()->GetOriginalProfile()) {
break;
}
extensions::ExtensionHost* host =
content::Details<extensions::ExtensionHost>(details).ptr();
if (!extensions_being_terminated_.insert(host->extension_id()).second)
break;
base::MessageLoop::current()->PostTask(
FROM_HERE,
base::Bind(
&ExtensionService::TrackTerminatedExtension,
AsWeakPtr(),
host->extension()));
break;
}
case content::NOTIFICATION_RENDERER_PROCESS_TERMINATED: {
content::RenderProcessHost* process =
content::Source<content::RenderProcessHost>(source).ptr();
Profile* host_profile =
Profile::FromBrowserContext(process->GetBrowserContext());
if (!profile_->IsSameProfile(host_profile->GetOriginalProfile()))
break;
extensions::ProcessMap* process_map =
extensions::ProcessMap::Get(profile_);
if (process_map->Contains(process->GetID())) {
std::set<std::string> extension_ids =
process_map->GetExtensionsInProcess(process->GetID());
for (std::set<std::string>::const_iterator it = extension_ids.begin();
it != extension_ids.end(); ++it) {
if (delayed_installs_.Contains(*it)) {
base::MessageLoop::current()->PostDelayedTask(
FROM_HERE,
base::Bind(&ExtensionService::MaybeFinishDelayedInstallation,
AsWeakPtr(), *it),
base::TimeDelta::FromSeconds(kUpdateIdleDelay));
}
}
}
process_map->RemoveAllFromProcess(process->GetID());
BrowserThread::PostTask(
BrowserThread::IO,
FROM_HERE,
base::Bind(&extensions::InfoMap::UnregisterAllExtensionsInProcess,
system_->info_map(),
process->GetID()));
break;
}
case chrome::NOTIFICATION_UPGRADE_RECOMMENDED: {
FOR_EACH_OBSERVER(extensions::UpdateObserver, update_observers_,
OnChromeUpdateAvailable());
break;
}
default:
NOTREACHED() << "Unexpected notification type.";
}
}
void ExtensionService::OnExtensionInstallPrefChanged() {
IdentifyAlertableExtensions();
CheckManagementPolicy();
}
bool ExtensionService::IsBeingReloaded(
const std::string& extension_id) const {
return ContainsKey(extensions_being_reloaded_, extension_id);
}
void ExtensionService::SetBeingReloaded(const std::string& extension_id,
bool isBeingReloaded) {
if (isBeingReloaded)
extensions_being_reloaded_.insert(extension_id);
else
extensions_being_reloaded_.erase(extension_id);
}
bool ExtensionService::ShouldEnableOnInstall(const Extension* extension) {
if (system_->management_policy()->MustRemainEnabled(extension, NULL) ||
extension->location() == Manifest::EXTERNAL_COMPONENT) {
return true;
}
if (extension_prefs_->IsExtensionDisabled(extension->id()))
return false;
if (FeatureSwitch::prompt_for_external_extensions()->IsEnabled()) {
if (extension->GetType() != Manifest::TYPE_HOSTED_APP &&
Manifest::IsExternalLocation(extension->location()) &&
!extension_prefs_->IsExternalExtensionAcknowledged(extension->id())) {
return false;
}
}
return true;
}
bool ExtensionService::ShouldDelayExtensionUpdate(
const std::string& extension_id,
bool wait_for_idle) const {
const char kOnUpdateAvailableEvent[] = "runtime.onUpdateAvailable";
if (!install_updates_when_idle_ || !wait_for_idle)
return false;
const Extension* old = GetInstalledExtension(extension_id);
if (!old)
return false;
if (extensions::BackgroundInfo::HasPersistentBackgroundPage(old)) {
return system_->event_router()->ExtensionHasEventListener(
extension_id, kOnUpdateAvailableEvent);
} else {
return !extensions::util::IsExtensionIdle(extension_id, profile_);
}
}
void ExtensionService::OnGarbageCollectIsolatedStorageStart() {
DCHECK(!installs_delayed_for_gc_);
installs_delayed_for_gc_ = true;
}
void ExtensionService::OnGarbageCollectIsolatedStorageFinished() {
DCHECK(installs_delayed_for_gc_);
installs_delayed_for_gc_ = false;
MaybeFinishDelayedInstallations();
}
void ExtensionService::MaybeFinishDelayedInstallations() {
std::vector<std::string> to_be_installed;
for (ExtensionSet::const_iterator it = delayed_installs_.begin();
it != delayed_installs_.end();
++it) {
to_be_installed.push_back((*it)->id());
}
for (std::vector<std::string>::const_iterator it = to_be_installed.begin();
it != to_be_installed.end();
++it) {
MaybeFinishDelayedInstallation(*it);
}
}
void ExtensionService::OnBlacklistUpdated() {
blacklist_->GetBlacklistedIDs(
registry_->GenerateInstalledExtensionsSet()->GetIDs(),
base::Bind(&ExtensionService::ManageBlacklist, AsWeakPtr()));
}
void ExtensionService::ManageBlacklist(
const extensions::Blacklist::BlacklistStateMap& state_map) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
std::set<std::string> blocked;
ExtensionIdSet greylist;
ExtensionIdSet unchanged;
for (extensions::Blacklist::BlacklistStateMap::const_iterator it =
state_map.begin();
it != state_map.end();
++it) {
switch (it->second) {
case extensions::NOT_BLACKLISTED:
break;
case extensions::BLACKLISTED_MALWARE:
blocked.insert(it->first);
break;
case extensions::BLACKLISTED_SECURITY_VULNERABILITY:
case extensions::BLACKLISTED_CWS_POLICY_VIOLATION:
case extensions::BLACKLISTED_POTENTIALLY_UNWANTED:
greylist.insert(it->first);
break;
case extensions::BLACKLISTED_UNKNOWN:
unchanged.insert(it->first);
break;
}
}
UpdateBlockedExtensions(blocked, unchanged);
UpdateGreylistedExtensions(greylist, unchanged, state_map);
IdentifyAlertableExtensions();
}
namespace {
void Partition(const ExtensionIdSet& before,
const ExtensionIdSet& after,
const ExtensionIdSet& unchanged,
ExtensionIdSet* no_longer,
ExtensionIdSet* not_yet) {
*not_yet = base::STLSetDifference<ExtensionIdSet>(after, before);
*no_longer = base::STLSetDifference<ExtensionIdSet>(before, after);
*no_longer = base::STLSetDifference<ExtensionIdSet>(*no_longer, unchanged);
}
}
void ExtensionService::UpdateBlockedExtensions(
const ExtensionIdSet& blocked,
const ExtensionIdSet& unchanged) {
ExtensionIdSet not_yet_blocked, no_longer_blocked;
Partition(registry_->blacklisted_extensions().GetIDs(),
blocked, unchanged,
&no_longer_blocked, ¬_yet_blocked);
for (ExtensionIdSet::iterator it = no_longer_blocked.begin();
it != no_longer_blocked.end(); ++it) {
scoped_refptr<const Extension> extension =
registry_->blacklisted_extensions().GetByID(*it);
if (!extension.get()) {
NOTREACHED() << "Extension " << *it << " no longer blocked, "
<< "but it was never blocked.";
continue;
}
registry_->RemoveBlacklisted(*it);
extension_prefs_->SetExtensionBlacklisted(extension->id(), false);
AddExtension(extension.get());
UMA_HISTOGRAM_ENUMERATION("ExtensionBlacklist.UnblacklistInstalled",
extension->location(),
Manifest::NUM_LOCATIONS);
}
for (ExtensionIdSet::iterator it = not_yet_blocked.begin();
it != not_yet_blocked.end(); ++it) {
scoped_refptr<const Extension> extension = GetInstalledExtension(*it);
if (!extension.get()) {
NOTREACHED() << "Extension " << *it << " needs to be "
<< "blacklisted, but it's not installed.";
continue;
}
registry_->AddBlacklisted(extension);
extension_prefs_->SetExtensionBlacklistState(
extension->id(), extensions::BLACKLISTED_MALWARE);
UnloadExtension(*it, UnloadedExtensionInfo::REASON_BLACKLIST);
UMA_HISTOGRAM_ENUMERATION("ExtensionBlacklist.BlacklistInstalled",
extension->location(), Manifest::NUM_LOCATIONS);
}
}
void ExtensionService::UpdateGreylistedExtensions(
const ExtensionIdSet& greylist,
const ExtensionIdSet& unchanged,
const extensions::Blacklist::BlacklistStateMap& state_map) {
ExtensionIdSet not_yet_greylisted, no_longer_greylisted;
Partition(greylist_.GetIDs(),
greylist, unchanged,
&no_longer_greylisted, ¬_yet_greylisted);
for (ExtensionIdSet::iterator it = no_longer_greylisted.begin();
it != no_longer_greylisted.end(); ++it) {
scoped_refptr<const Extension> extension = greylist_.GetByID(*it);
if (!extension.get()) {
NOTREACHED() << "Extension " << *it << " no longer greylisted, "
<< "but it was not marked as greylisted.";
continue;
}
greylist_.Remove(*it);
extension_prefs_->SetExtensionBlacklistState(extension->id(),
extensions::NOT_BLACKLISTED);
if (extension_prefs_->GetDisableReasons(extension->id()) &
extensions::Extension::DISABLE_GREYLIST)
EnableExtension(*it);
}
for (ExtensionIdSet::iterator it = not_yet_greylisted.begin();
it != not_yet_greylisted.end(); ++it) {
scoped_refptr<const Extension> extension = GetInstalledExtension(*it);
if (!extension.get()) {
NOTREACHED() << "Extension " << *it << " needs to be "
<< "disabled, but it's not installed.";
continue;
}
greylist_.Insert(extension);
extension_prefs_->SetExtensionBlacklistState(extension->id(),
state_map.find(*it)->second);
if (registry_->enabled_extensions().Contains(extension->id()))
DisableExtension(*it, extensions::Extension::DISABLE_GREYLIST);
}
}
void ExtensionService::AddUpdateObserver(extensions::UpdateObserver* observer) {
update_observers_.AddObserver(observer);
}
void ExtensionService::RemoveUpdateObserver(
extensions::UpdateObserver* observer) {
update_observers_.RemoveObserver(observer);
}
void ExtensionService::UnloadAllExtensionsInternal() {
profile_->GetExtensionSpecialStoragePolicy()->RevokeRightsForAllExtensions();
registry_->ClearAll();
system_->runtime_data()->ClearAll();
}