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// Copyright (c) 2012 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/extensions/extension_info_map.h"
#include "chrome/common/extensions/extension.h"
#include "chrome/common/extensions/extension_set.h"
#include "chrome/common/url_constants.h"
#include "content/public/browser/browser_thread.h"
using content::BrowserThread;
using extensions::Extension;
namespace {
void CheckOnValidThread() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
}
} // namespace
struct ExtensionInfoMap::ExtraData {
// When the extension was installed.
base::Time install_time;
// True if the user has allowed this extension to run in incognito mode.
bool incognito_enabled;
ExtraData();
~ExtraData();
};
ExtensionInfoMap::ExtraData::ExtraData() : incognito_enabled(false) {}
ExtensionInfoMap::ExtraData::~ExtraData() {}
ExtensionInfoMap::ExtensionInfoMap() {}
const extensions::ProcessMap& ExtensionInfoMap::process_map() const {
return process_map_;
}
void ExtensionInfoMap::AddExtension(const Extension* extension,
base::Time install_time,
bool incognito_enabled) {
CheckOnValidThread();
extensions_.Insert(extension);
disabled_extensions_.Remove(extension->id());
extra_data_[extension->id()].install_time = install_time;
extra_data_[extension->id()].incognito_enabled = incognito_enabled;
}
void ExtensionInfoMap::RemoveExtension(const std::string& extension_id,
const extension_misc::UnloadedExtensionReason reason) {
CheckOnValidThread();
const Extension* extension = extensions_.GetByID(extension_id);
extra_data_.erase(extension_id); // we don't care about disabled extra data
bool was_uninstalled = (reason != extension_misc::UNLOAD_REASON_DISABLE &&
reason != extension_misc::UNLOAD_REASON_TERMINATE);
if (extension) {
if (!was_uninstalled)
disabled_extensions_.Insert(extension);
extensions_.Remove(extension_id);
} else if (was_uninstalled) {
// If the extension was uninstalled, make sure it's removed from the map of
// disabled extensions.
disabled_extensions_.Remove(extension_id);
} else {
// NOTE: This can currently happen if we receive multiple unload
// notifications, e.g. setting incognito-enabled state for a
// disabled extension (e.g., via sync). See
// http://code.google.com/p/chromium/issues/detail?id=50582 .
NOTREACHED() << extension_id;
}
}
base::Time ExtensionInfoMap::GetInstallTime(
const std::string& extension_id) const {
ExtraDataMap::const_iterator iter = extra_data_.find(extension_id);
if (iter != extra_data_.end())
return iter->second.install_time;
return base::Time();
}
bool ExtensionInfoMap::IsIncognitoEnabled(
const std::string& extension_id) const {
// Keep in sync with duplicate in extension_process_manager.cc.
ExtraDataMap::const_iterator iter = extra_data_.find(extension_id);
if (iter != extra_data_.end())
return iter->second.incognito_enabled;
return false;
}
bool ExtensionInfoMap::CanCrossIncognito(const Extension* extension) {
// This is duplicated from ExtensionService :(.
return IsIncognitoEnabled(extension->id()) &&
!extension->incognito_split_mode();
}
void ExtensionInfoMap::RegisterExtensionProcess(const std::string& extension_id,
int process_id,
int site_instance_id) {
if (!process_map_.Insert(extension_id, process_id, site_instance_id)) {
NOTREACHED() << "Duplicate extension process registration for: "
<< extension_id << "," << process_id << ".";
}
}
void ExtensionInfoMap::UnregisterExtensionProcess(
const std::string& extension_id,
int process_id,
int site_instance_id) {
if (!process_map_.Remove(extension_id, process_id, site_instance_id)) {
NOTREACHED() << "Unknown extension process registration for: "
<< extension_id << "," << process_id << ".";
}
}
void ExtensionInfoMap::UnregisterAllExtensionsInProcess(int process_id) {
process_map_.RemoveAllFromProcess(process_id);
}
bool ExtensionInfoMap::SecurityOriginHasAPIPermission(
const GURL& origin, int process_id,
extensions::APIPermission::ID permission) const {
if (origin.SchemeIs(chrome::kExtensionScheme)) {
const std::string& id = origin.host();
return extensions_.GetByID(id)->HasAPIPermission(permission) &&
process_map_.Contains(id, process_id);
}
ExtensionSet::const_iterator i = extensions_.begin();
for (; i != extensions_.end(); ++i) {
if ((*i)->web_extent().MatchesSecurityOrigin(origin) &&
process_map_.Contains((*i)->id(), process_id) &&
(*i)->HasAPIPermission(permission)) {
return true;
}
}
return false;
}
ExtensionsQuotaService* ExtensionInfoMap::GetQuotaService() {
CheckOnValidThread();
if (!quota_service_.get())
quota_service_.reset(new ExtensionsQuotaService());
return quota_service_.get();
}
ExtensionInfoMap::~ExtensionInfoMap() {
if (quota_service_.get()) {
BrowserThread::DeleteSoon(BrowserThread::IO, FROM_HERE,
quota_service_.release());
}
}
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