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// Copyright 2014 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 "extensions/shell/browser/shell_extension_system.h"
#include <string>
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/memory/ptr_util.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/notification_details.h"
#include "content/public/browser/notification_service.h"
#include "content/public/browser/notification_source.h"
#include "extensions/browser/api/app_runtime/app_runtime_api.h"
#include "extensions/browser/extension_prefs.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/browser/info_map.h"
#include "extensions/browser/notification_types.h"
#include "extensions/browser/null_app_sorting.h"
#include "extensions/browser/quota_service.h"
#include "extensions/browser/runtime_data.h"
#include "extensions/browser/service_worker_manager.h"
#include "extensions/browser/value_store/value_store_factory_impl.h"
#include "extensions/common/api/app_runtime.h"
#include "extensions/common/constants.h"
#include "extensions/common/file_util.h"
using content::BrowserContext;
using content::BrowserThread;
namespace extensions {
ShellExtensionSystem::ShellExtensionSystem(BrowserContext* browser_context)
: browser_context_(browser_context),
store_factory_(new ValueStoreFactoryImpl(browser_context->GetPath())),
weak_factory_(this) {}
ShellExtensionSystem::~ShellExtensionSystem() {
}
const Extension* ShellExtensionSystem::LoadApp(const base::FilePath& app_dir) {
// app_shell only supports unpacked extensions.
// NOTE: If you add packed extension support consider removing the flag
// FOLLOW_SYMLINKS_ANYWHERE below. Packed extensions should not have symlinks.
CHECK(base::DirectoryExists(app_dir)) << app_dir.AsUTF8Unsafe();
int load_flags = Extension::FOLLOW_SYMLINKS_ANYWHERE;
std::string load_error;
scoped_refptr<Extension> extension = file_util::LoadExtension(
app_dir, Manifest::COMMAND_LINE, load_flags, &load_error);
if (!extension.get()) {
LOG(ERROR) << "Loading extension at " << app_dir.value()
<< " failed with: " << load_error;
return nullptr;
}
// Log warnings.
if (extension->install_warnings().size()) {
LOG(WARNING) << "Warnings loading extension at " << app_dir.value() << ":";
for (const auto& warning : extension->install_warnings())
LOG(WARNING) << warning.message;
}
// TODO(jamescook): We may want to do some of these things here:
// * Create a PermissionsUpdater.
// * Call PermissionsUpdater::GrantActivePermissions().
// * Call ExtensionService::SatisfyImports().
// * Call ExtensionPrefs::OnExtensionInstalled().
// * Call ExtensionRegistryObserver::OnExtensionWillbeInstalled().
ExtensionRegistry::Get(browser_context_)->AddEnabled(extension.get());
RegisterExtensionWithRequestContexts(
extension.get(),
base::Bind(
&ShellExtensionSystem::OnExtensionRegisteredWithRequestContexts,
weak_factory_.GetWeakPtr(), extension));
content::NotificationService::current()->Notify(
NOTIFICATION_EXTENSION_LOADED_DEPRECATED,
content::Source<BrowserContext>(browser_context_),
content::Details<const Extension>(extension.get()));
return extension.get();
}
void ShellExtensionSystem::Init() {
// Inform the rest of the extensions system to start.
ready_.Signal();
content::NotificationService::current()->Notify(
NOTIFICATION_EXTENSIONS_READY_DEPRECATED,
content::Source<BrowserContext>(browser_context_),
content::NotificationService::NoDetails());
}
void ShellExtensionSystem::LaunchApp(const ExtensionId& extension_id) {
// Send the onLaunched event.
DCHECK(ExtensionRegistry::Get(browser_context_)
->enabled_extensions()
.Contains(extension_id));
const Extension* extension = ExtensionRegistry::Get(browser_context_)
->enabled_extensions()
.GetByID(extension_id);
AppRuntimeEventRouter::DispatchOnLaunchedEvent(browser_context_, extension,
SOURCE_UNTRACKED, nullptr);
}
void ShellExtensionSystem::Shutdown() {
}
void ShellExtensionSystem::InitForRegularProfile(bool extensions_enabled) {
service_worker_manager_.reset(new ServiceWorkerManager(browser_context_));
runtime_data_.reset(
new RuntimeData(ExtensionRegistry::Get(browser_context_)));
quota_service_.reset(new QuotaService);
app_sorting_.reset(new NullAppSorting);
}
ExtensionService* ShellExtensionSystem::extension_service() {
return nullptr;
}
RuntimeData* ShellExtensionSystem::runtime_data() {
return runtime_data_.get();
}
ManagementPolicy* ShellExtensionSystem::management_policy() {
return nullptr;
}
ServiceWorkerManager* ShellExtensionSystem::service_worker_manager() {
return service_worker_manager_.get();
}
SharedUserScriptMaster* ShellExtensionSystem::shared_user_script_master() {
return nullptr;
}
StateStore* ShellExtensionSystem::state_store() {
return nullptr;
}
StateStore* ShellExtensionSystem::rules_store() {
return nullptr;
}
scoped_refptr<ValueStoreFactory> ShellExtensionSystem::store_factory() {
return store_factory_;
}
InfoMap* ShellExtensionSystem::info_map() {
if (!info_map_.get())
info_map_ = new InfoMap;
return info_map_.get();
}
QuotaService* ShellExtensionSystem::quota_service() {
return quota_service_.get();
}
AppSorting* ShellExtensionSystem::app_sorting() {
return app_sorting_.get();
}
void ShellExtensionSystem::RegisterExtensionWithRequestContexts(
const Extension* extension,
const base::Closure& callback) {
BrowserThread::PostTaskAndReply(
BrowserThread::IO, FROM_HERE,
base::Bind(&InfoMap::AddExtension, info_map(),
base::RetainedRef(extension), base::Time::Now(), false, false),
callback);
}
void ShellExtensionSystem::UnregisterExtensionWithRequestContexts(
const std::string& extension_id,
const UnloadedExtensionInfo::Reason reason) {
}
const OneShotEvent& ShellExtensionSystem::ready() const {
return ready_;
}
ContentVerifier* ShellExtensionSystem::content_verifier() {
return nullptr;
}
std::unique_ptr<ExtensionSet> ShellExtensionSystem::GetDependentExtensions(
const Extension* extension) {
return base::MakeUnique<ExtensionSet>();
}
void ShellExtensionSystem::InstallUpdate(const std::string& extension_id,
const base::FilePath& temp_dir) {
NOTREACHED();
base::DeleteFile(temp_dir, true /* recursive */);
}
void ShellExtensionSystem::OnExtensionRegisteredWithRequestContexts(
scoped_refptr<Extension> extension) {
ExtensionRegistry* registry = ExtensionRegistry::Get(browser_context_);
registry->AddReady(extension);
registry->TriggerOnReady(extension.get());
}
} // namespace extensions
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