blob: 0f6417c1dabfb5b46c8dc7002c3f24915326baca [file] [log] [blame]
// 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/renderer/extensions/extension_process_policy.h"
#include "base/strings/string_util.h"
#include "chrome/common/extensions/extension_constants.h"
#include "extensions/common/constants.h"
#include "extensions/common/extension.h"
#include "extensions/common/extension_set.h"
#include "extensions/common/manifest_handlers/app_isolation_info.h"
#include "extensions/common/switches.h"
namespace extensions {
const extensions::Extension* GetNonBookmarkAppExtension(
const ExtensionSet& extensions,
const GURL& url) {
// Exclude bookmark apps, which do not use the app process model.
const extensions::Extension* extension =
if (extension && extension->from_bookmark())
extension = NULL;
return extension;
bool CrossesExtensionProcessBoundary(const ExtensionSet& extensions,
const GURL& old_url,
const GURL& new_url,
bool should_consider_workaround) {
const extensions::Extension* old_url_extension =
GetNonBookmarkAppExtension(extensions, old_url);
const extensions::Extension* new_url_extension =
GetNonBookmarkAppExtension(extensions, new_url);
// TODO(creis): Temporary workaround for Do not swap process
// to navigate from a hosted app to a normal page or another hosted app
// (unless either is the web store). This is because some OAuth providers
// use non-app popups that communicate with non-app iframes inside the app
// (e.g., Facebook). This would require out-of-process iframes to support.
// See
// Note that we skip this exception for isolated apps, which require strict
// process separation from non-app pages.
if (should_consider_workaround) {
bool old_url_is_hosted_app =
old_url_extension && !old_url_extension->web_extent().is_empty() &&
bool new_url_is_normal_or_hosted =
!new_url_extension ||
(!new_url_extension->web_extent().is_empty() &&
bool either_is_web_store =
(old_url_extension &&
old_url_extension->id() == extensions::kWebStoreAppId) ||
(new_url_extension &&
new_url_extension->id() == extensions::kWebStoreAppId);
if (old_url_is_hosted_app && new_url_is_normal_or_hosted &&
return false;
// If there are no extensions associated with either url, we check if the new
// url points to an extension origin. If it does, fork - extension
// installation should not be a factor.
if (!old_url_extension && !new_url_extension) {
// Hypothetically, we could also do an origin check here to make sure that
// the two urls point two different extensions, but it's not really
// necesary since we know there wasn't an associated extension with the old
// url.
return new_url.SchemeIs(kExtensionScheme);
return old_url_extension != new_url_extension;
} // namespace extensions