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// Copyright 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/common/extensions/sync_helper.h"
#include "base/logging.h"
#include "chrome/common/extensions/api/plugins/plugins_handler.h"
#include "chrome/common/extensions/extension.h"
#include "chrome/common/extensions/extension_constants.h"
#include "chrome/common/extensions/manifest_url_handler.h"
#include "extensions/common/manifest.h"
namespace extensions {
namespace sync_helper {
namespace {
enum SyncType {
SYNC_TYPE_NONE = 0,
SYNC_TYPE_EXTENSION,
SYNC_TYPE_APP
};
SyncType GetSyncType(const Extension* extension) {
if (!IsSyncable(extension)) {
// We have a non-standard location.
return SYNC_TYPE_NONE;
}
// Disallow extensions with non-gallery auto-update URLs for now.
//
// TODO(akalin): Relax this restriction once we've put in UI to
// approve synced extensions.
if (!ManifestURL::GetUpdateURL(extension).is_empty() &&
!ManifestURL::UpdatesFromGallery(extension)) {
return SYNC_TYPE_NONE;
}
// Disallow extensions with native code plugins.
//
// TODO(akalin): Relax this restriction once we've put in UI to
// approve synced extensions.
if (PluginInfo::HasPlugins(extension) ||
extension->HasAPIPermission(APIPermission::kPlugin)) {
return SYNC_TYPE_NONE;
}
switch (extension->GetType()) {
case Manifest::TYPE_EXTENSION:
return SYNC_TYPE_EXTENSION;
case Manifest::TYPE_USER_SCRIPT:
// We only want to sync user scripts with gallery update URLs.
if (ManifestURL::UpdatesFromGallery(extension))
return SYNC_TYPE_EXTENSION;
return SYNC_TYPE_NONE;
case Manifest::TYPE_HOSTED_APP:
case Manifest::TYPE_LEGACY_PACKAGED_APP:
case Manifest::TYPE_PLATFORM_APP:
return SYNC_TYPE_APP;
case Manifest::TYPE_UNKNOWN:
// Confusingly, themes are actually synced.
// TODO(yoz): Make this look less inconsistent.
case Manifest::TYPE_THEME:
case Manifest::TYPE_SHARED_MODULE:
return SYNC_TYPE_NONE;
}
NOTREACHED();
return SYNC_TYPE_NONE;
}
} // namespace
bool IsSyncable(const Extension* extension) {
// TODO(akalin): Figure out if we need to allow some other types.
// Default apps are not synced because otherwise they will pollute profiles
// that don't already have them. Specially, if a user doesn't have default
// apps, creates a new profile (which get default apps) and then enables sync
// for it, then their profile everywhere gets the default apps.
bool is_syncable = (extension->location() == Manifest::INTERNAL &&
!extension->was_installed_by_default());
// Sync the chrome web store to maintain its position on the new tab page.
is_syncable |= (extension->id() == extension_misc::kWebStoreAppId);
// Sync the chrome component app to maintain its position on the app list.
is_syncable |= (extension->id() == extension_misc::kChromeAppId);
return is_syncable;
}
bool IsSyncableExtension(const Extension* extension) {
return GetSyncType(extension) == SYNC_TYPE_EXTENSION;
}
bool IsSyncableApp(const Extension* extension) {
return GetSyncType(extension) == SYNC_TYPE_APP;
}
} // namespace sync_helper
} // namespace extensions
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