2010-09-09 15:15:40 -07:00
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Indexed Database.
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*
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* The Initial Developer of the Original Code is
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* The Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2010
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Ben Turner <bent.mozilla@gmail.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "CheckPermissionsHelper.h"
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#include "nsIDOMWindow.h"
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#include "nsIObserverService.h"
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#include "nsIPermissionManager.h"
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#include "nsIPrincipal.h"
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#include "nsIScriptObjectPrincipal.h"
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#include "nsIURI.h"
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#include "nsContentUtils.h"
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#include "nsDOMStorage.h"
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#include "nsNetUtil.h"
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#include "nsThreadUtils.h"
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#include "mozilla/Services.h"
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2010-10-19 10:58:39 -07:00
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#include "IndexedDatabaseManager.h"
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2010-09-09 15:15:40 -07:00
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#define PERMISSION_INDEXEDDB "indexedDB"
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#define PREF_INDEXEDDB_ENABLED "dom.indexedDB.enabled"
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#define TOPIC_PERMISSIONS_PROMPT "indexedDB-permissions-prompt"
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#define TOPIC_PERMISSIONS_RESPONSE "indexedDB-permissions-response"
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USING_INDEXEDDB_NAMESPACE
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using namespace mozilla::services;
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namespace {
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inline
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PRUint32
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GetIndexedDBPermissions(const nsACString& aASCIIOrigin,
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nsIDOMWindow* aWindow)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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if (!nsContentUtils::GetBoolPref(PREF_INDEXEDDB_ENABLED)) {
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return nsIPermissionManager::DENY_ACTION;
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}
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nsCOMPtr<nsIScriptObjectPrincipal> sop(do_QueryInterface(aWindow));
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NS_ENSURE_TRUE(sop, nsIPermissionManager::DENY_ACTION);
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if (nsContentUtils::IsSystemPrincipal(sop->GetPrincipal())) {
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return nsIPermissionManager::ALLOW_ACTION;
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}
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if (nsDOMStorageManager::gStorageManager->InPrivateBrowsingMode()) {
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// TODO Support private browsing indexedDB?
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return nsIPermissionManager::DENY_ACTION;
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}
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nsCOMPtr<nsIURI> uri;
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nsresult rv = NS_NewURI(getter_AddRefs(uri), aASCIIOrigin);
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NS_ENSURE_SUCCESS(rv, nsIPermissionManager::DENY_ACTION);
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nsCOMPtr<nsIPermissionManager> permissionManager =
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do_GetService(NS_PERMISSIONMANAGER_CONTRACTID);
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NS_ENSURE_TRUE(permissionManager, nsIPermissionManager::DENY_ACTION);
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PRUint32 permission;
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rv = permissionManager->TestPermission(uri, PERMISSION_INDEXEDDB,
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&permission);
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NS_ENSURE_SUCCESS(rv, nsIPermissionManager::DENY_ACTION);
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return permission;
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}
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} // anonymous namespace
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NS_IMPL_THREADSAFE_ISUPPORTS3(CheckPermissionsHelper, nsIRunnable,
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nsIInterfaceRequestor,
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nsIObserver)
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NS_IMETHODIMP
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CheckPermissionsHelper::Run()
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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PRUint32 permission = mHasPrompted ?
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mPromptResult :
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GetIndexedDBPermissions(mASCIIOrigin, mWindow);
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nsresult rv;
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if (mHasPrompted) {
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2011-04-29 16:46:20 -07:00
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// Add permissions to the database, but only if we are in the parent
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// process (if we are in the child process, we have already
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// set the permission when the prompt was shown in the parent, as
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// we cannot set the permission from the child).
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if (permission != nsIPermissionManager::UNKNOWN_ACTION &&
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XRE_GetProcessType() == GeckoProcessType_Default) {
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2010-09-09 15:15:40 -07:00
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nsCOMPtr<nsIURI> uri;
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rv = NS_NewURI(getter_AddRefs(uri), mASCIIOrigin);
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NS_ENSURE_SUCCESS(rv, rv);
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nsCOMPtr<nsIPermissionManager> permissionManager =
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do_GetService(NS_PERMISSIONMANAGER_CONTRACTID);
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NS_ENSURE_STATE(permissionManager);
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rv = permissionManager->Add(uri, PERMISSION_INDEXEDDB, permission,
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nsIPermissionManager::EXPIRE_NEVER, 0);
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NS_ENSURE_SUCCESS(rv, rv);
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}
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}
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else if (permission == nsIPermissionManager::UNKNOWN_ACTION) {
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nsCOMPtr<nsIObserverService> obs = GetObserverService();
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rv = obs->NotifyObservers(static_cast<nsIRunnable*>(this),
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TOPIC_PERMISSIONS_PROMPT, nsnull);
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NS_ENSURE_SUCCESS(rv, rv);
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return NS_OK;
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}
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nsRefPtr<AsyncConnectionHelper> helper;
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helper.swap(mHelper);
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nsCOMPtr<nsIDOMWindow> window;
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window.swap(mWindow);
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if (permission == nsIPermissionManager::ALLOW_ACTION) {
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2010-10-19 10:58:42 -07:00
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IndexedDatabaseManager* mgr = IndexedDatabaseManager::Get();
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NS_ASSERTION(mgr, "This should never be null!");
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return helper->Dispatch(mgr->IOThread());
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2010-09-09 15:15:40 -07:00
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}
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NS_ASSERTION(permission == nsIPermissionManager::UNKNOWN_ACTION ||
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permission == nsIPermissionManager::DENY_ACTION,
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"Unknown permission!");
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2010-11-10 15:25:44 -08:00
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helper->SetError(NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR);
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2010-09-09 15:15:40 -07:00
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return helper->Run();
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}
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NS_IMETHODIMP
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CheckPermissionsHelper::GetInterface(const nsIID& aIID,
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void** aResult)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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if (aIID.Equals(NS_GET_IID(nsIObserver))) {
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return QueryInterface(aIID, aResult);
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}
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if (aIID.Equals(NS_GET_IID(nsIDOMWindow))) {
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return mWindow->QueryInterface(aIID, aResult);
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}
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*aResult = nsnull;
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return NS_ERROR_NOT_AVAILABLE;
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}
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NS_IMETHODIMP
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CheckPermissionsHelper::Observe(nsISupports* aSubject,
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const char* aTopic,
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const PRUnichar* aData)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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NS_ASSERTION(!strcmp(aTopic, TOPIC_PERMISSIONS_RESPONSE), "Bad topic!");
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mHasPrompted = PR_TRUE;
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nsresult rv;
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mPromptResult = nsDependentString(aData).ToInteger(&rv);
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NS_ENSURE_SUCCESS(rv, rv);
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2010-10-19 10:58:39 -07:00
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IndexedDatabaseManager* mgr = IndexedDatabaseManager::Get();
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NS_ASSERTION(mgr, "This should never be null!");
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2010-10-19 10:58:52 -07:00
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rv = mgr->WaitForOpenAllowed(mName, mASCIIOrigin, this);
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2010-10-19 10:58:39 -07:00
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NS_ENSURE_SUCCESS(rv, rv);
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return NS_OK;
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2010-09-09 15:15:40 -07:00
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}
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