mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
630 lines
18 KiB
C++
630 lines
18 KiB
C++
/* -*- 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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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "base/basictypes.h"
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#include "IDBFactory.h"
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#include "nsIFile.h"
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#include "nsIJSContextStack.h"
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#include "nsIPrincipal.h"
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#include "nsIScriptContext.h"
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#include "nsIXPConnect.h"
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#include "nsIXPCScriptable.h"
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#include "jsdbgapi.h"
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#include "mozilla/dom/ContentParent.h"
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#include "mozilla/dom/ContentChild.h"
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#include "mozilla/dom/PBrowserChild.h"
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#include "mozilla/dom/TabChild.h"
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#include "mozilla/storage.h"
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#include "nsComponentManagerUtils.h"
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#include "nsIScriptSecurityManager.h"
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#include "nsCharSeparatedTokenizer.h"
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#include "nsContentUtils.h"
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#include "nsDOMClassInfoID.h"
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#include "nsGlobalWindow.h"
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#include "nsHashKeys.h"
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#include "nsPIDOMWindow.h"
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#include "nsServiceManagerUtils.h"
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#include "nsThreadUtils.h"
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#include "nsXPCOMCID.h"
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#include "AsyncConnectionHelper.h"
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#include "CheckPermissionsHelper.h"
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#include "DatabaseInfo.h"
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#include "IDBDatabase.h"
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#include "IDBEvents.h"
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#include "IDBKeyRange.h"
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#include "IndexedDatabaseManager.h"
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#include "Key.h"
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#include "ipc/IndexedDBChild.h"
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USING_INDEXEDDB_NAMESPACE
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using mozilla::dom::ContentChild;
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using mozilla::dom::ContentParent;
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using mozilla::dom::TabChild;
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namespace {
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struct ObjectStoreInfoMap
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{
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ObjectStoreInfoMap()
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: id(LL_MININT), info(nullptr) { }
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int64_t id;
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ObjectStoreInfo* info;
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};
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} // anonymous namespace
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IDBFactory::IDBFactory()
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: mOwningObject(nullptr), mActorChild(nullptr), mActorParent(nullptr),
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mContentParent(nullptr), mRootedOwningObject(false)
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{
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}
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IDBFactory::~IDBFactory()
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{
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NS_ASSERTION(!mActorParent, "Actor parent owns us, how can we be dying?!");
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if (mActorChild) {
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NS_ASSERTION(!IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
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mActorChild->Send__delete__(mActorChild);
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NS_ASSERTION(!mActorChild, "Should have cleared in Send__delete__!");
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}
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if (mRootedOwningObject) {
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NS_DROP_JS_OBJECTS(this, IDBFactory);
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}
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}
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// static
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nsresult
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IDBFactory::Create(nsPIDOMWindow* aWindow,
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const nsACString& aASCIIOrigin,
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ContentParent* aContentParent,
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IDBFactory** aFactory)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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NS_ASSERTION(aASCIIOrigin.IsEmpty() || nsContentUtils::IsCallerChrome(),
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"Non-chrome may not supply their own origin!");
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NS_ENSURE_TRUE(aWindow, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
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if (aWindow->IsOuterWindow()) {
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aWindow = aWindow->GetCurrentInnerWindow();
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NS_ENSURE_TRUE(aWindow, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
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}
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// Make sure that the manager is up before we do anything here since lots of
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// decisions depend on which process we're running in.
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nsRefPtr<indexedDB::IndexedDatabaseManager> mgr =
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indexedDB::IndexedDatabaseManager::GetOrCreate();
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NS_ENSURE_TRUE(mgr, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
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nsresult rv;
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nsCString origin(aASCIIOrigin);
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if (origin.IsEmpty()) {
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rv = IndexedDatabaseManager::GetASCIIOriginFromWindow(aWindow, origin);
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if (NS_FAILED(rv)) {
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// Not allowed.
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*aFactory = nullptr;
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return NS_OK;
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}
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}
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nsRefPtr<IDBFactory> factory = new IDBFactory();
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factory->mASCIIOrigin = origin;
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factory->mWindow = aWindow;
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factory->mContentParent = aContentParent;
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if (!IndexedDatabaseManager::IsMainProcess()) {
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TabChild* tabChild = GetTabChildFrom(aWindow);
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NS_ENSURE_TRUE(tabChild, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
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IndexedDBChild* actor = new IndexedDBChild(origin);
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bool allowed;
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tabChild->SendPIndexedDBConstructor(actor, origin, &allowed);
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if (!allowed) {
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actor->Send__delete__(actor);
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*aFactory = nullptr;
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return NS_OK;
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}
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actor->SetFactory(factory);
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}
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factory.forget(aFactory);
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return NS_OK;
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}
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// static
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nsresult
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IDBFactory::Create(JSContext* aCx,
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JSObject* aOwningObject,
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ContentParent* aContentParent,
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IDBFactory** aFactory)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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NS_ASSERTION(aCx, "Null context!");
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NS_ASSERTION(aOwningObject, "Null object!");
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NS_ASSERTION(JS_GetGlobalForObject(aCx, aOwningObject) == aOwningObject,
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"Not a global object!");
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NS_ASSERTION(nsContentUtils::IsCallerChrome(), "Only for chrome!");
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nsCString origin;
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nsresult rv =
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IndexedDatabaseManager::GetASCIIOriginFromWindow(nullptr, origin);
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NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
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nsRefPtr<IDBFactory> factory = new IDBFactory();
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factory->mASCIIOrigin = origin;
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factory->mOwningObject = aOwningObject;
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factory->mContentParent = aContentParent;
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if (!IndexedDatabaseManager::IsMainProcess()) {
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ContentChild* contentChild = ContentChild::GetSingleton();
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NS_ENSURE_TRUE(contentChild, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
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IndexedDBChild* actor = new IndexedDBChild(origin);
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contentChild->SendPIndexedDBConstructor(actor);
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actor->SetFactory(factory);
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}
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factory.forget(aFactory);
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return NS_OK;
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}
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// static
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nsresult
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IDBFactory::Create(ContentParent* aContentParent,
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IDBFactory** aFactory)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
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NS_ASSERTION(nsContentUtils::IsCallerChrome(), "Only for chrome!");
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NS_ASSERTION(aContentParent, "Null ContentParent!");
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#ifdef DEBUG
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{
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nsIThreadJSContextStack* cxStack = nsContentUtils::ThreadJSContextStack();
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NS_ASSERTION(cxStack, "Couldn't get ThreadJSContextStack!");
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JSContext* lastCx;
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if (NS_SUCCEEDED(cxStack->Peek(&lastCx))) {
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NS_ASSERTION(!lastCx, "We should only be called from C++!");
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}
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else {
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NS_ERROR("nsIThreadJSContextStack::Peek should never fail!");
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}
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}
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#endif
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nsCOMPtr<nsIPrincipal> principal =
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do_CreateInstance("@mozilla.org/nullprincipal;1");
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NS_ENSURE_TRUE(principal, NS_ERROR_FAILURE);
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JSContext* cx = nsContentUtils::GetSafeJSContext();
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NS_ENSURE_TRUE(cx, NS_ERROR_FAILURE);
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nsCxPusher pusher;
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if (!pusher.Push(cx)) {
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NS_WARNING("Failed to push safe JS context!");
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return NS_ERROR_FAILURE;
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}
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JSAutoRequest ar(cx);
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nsIXPConnect* xpc = nsContentUtils::XPConnect();
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NS_ASSERTION(xpc, "This should never be null!");
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nsCOMPtr<nsIXPConnectJSObjectHolder> globalHolder;
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nsresult rv = xpc->CreateSandbox(cx, principal, getter_AddRefs(globalHolder));
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NS_ENSURE_SUCCESS(rv, rv);
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JSObject* global;
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rv = globalHolder->GetJSObject(&global);
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NS_ENSURE_SUCCESS(rv, rv);
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// The CreateSandbox call returns a proxy to the actual sandbox object. We
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// don't need a proxy here.
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global = JS_UnwrapObject(global);
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JSAutoCompartment ac(cx, global);
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nsRefPtr<IDBFactory> factory;
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rv = Create(cx, global, aContentParent, getter_AddRefs(factory));
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NS_ENSURE_SUCCESS(rv, rv);
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NS_HOLD_JS_OBJECTS(factory, IDBFactory);
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factory->mRootedOwningObject = true;
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factory.forget(aFactory);
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return NS_OK;
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}
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// static
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already_AddRefed<mozIStorageConnection>
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IDBFactory::GetConnection(const nsAString& aDatabaseFilePath)
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{
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NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
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NS_ASSERTION(StringEndsWith(aDatabaseFilePath, NS_LITERAL_STRING(".sqlite")),
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"Bad file path!");
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nsCOMPtr<nsIFile> dbFile(do_CreateInstance(NS_LOCAL_FILE_CONTRACTID));
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NS_ENSURE_TRUE(dbFile, nullptr);
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nsresult rv = dbFile->InitWithPath(aDatabaseFilePath);
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NS_ENSURE_SUCCESS(rv, nullptr);
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bool exists;
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rv = dbFile->Exists(&exists);
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NS_ENSURE_SUCCESS(rv, nullptr);
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NS_ENSURE_TRUE(exists, nullptr);
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nsCOMPtr<mozIStorageServiceQuotaManagement> ss =
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do_GetService(MOZ_STORAGE_SERVICE_CONTRACTID);
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NS_ENSURE_TRUE(ss, nullptr);
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nsCOMPtr<mozIStorageConnection> connection;
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rv = ss->OpenDatabaseWithVFS(dbFile, NS_LITERAL_CSTRING("quota"),
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getter_AddRefs(connection));
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NS_ENSURE_SUCCESS(rv, nullptr);
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// Turn on foreign key constraints and recursive triggers.
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// The "INSERT OR REPLACE" statement doesn't fire the update trigger,
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// instead it fires only the insert trigger. This confuses the update
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// refcount function. This behavior changes with enabled recursive triggers,
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// so the statement fires the delete trigger first and then the insert
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// trigger.
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rv = connection->ExecuteSimpleSQL(NS_LITERAL_CSTRING(
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"PRAGMA foreign_keys = ON; "
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"PRAGMA recursive_triggers = ON;"
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));
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NS_ENSURE_SUCCESS(rv, nullptr);
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return connection.forget();
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}
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inline
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bool
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IgnoreWhitespace(PRUnichar c)
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{
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return false;
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}
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// static
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nsresult
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IDBFactory::LoadDatabaseInformation(mozIStorageConnection* aConnection,
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nsIAtom* aDatabaseId,
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uint64_t* aVersion,
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ObjectStoreInfoArray& aObjectStores)
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{
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NS_ASSERTION(!NS_IsMainThread(), "Wrong thread!");
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NS_ASSERTION(aConnection, "Null pointer!");
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aObjectStores.Clear();
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// Load object store names and ids.
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nsCOMPtr<mozIStorageStatement> stmt;
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nsresult rv = aConnection->CreateStatement(NS_LITERAL_CSTRING(
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"SELECT name, id, key_path, auto_increment "
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"FROM object_store"
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), getter_AddRefs(stmt));
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NS_ENSURE_SUCCESS(rv, rv);
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nsAutoTArray<ObjectStoreInfoMap, 20> infoMap;
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bool hasResult;
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while (NS_SUCCEEDED((rv = stmt->ExecuteStep(&hasResult))) && hasResult) {
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nsRefPtr<ObjectStoreInfo>* element =
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aObjectStores.AppendElement(new ObjectStoreInfo());
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ObjectStoreInfo* info = element->get();
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rv = stmt->GetString(0, info->name);
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NS_ENSURE_SUCCESS(rv, rv);
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info->id = stmt->AsInt64(1);
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int32_t columnType;
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nsresult rv = stmt->GetTypeOfIndex(2, &columnType);
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NS_ENSURE_SUCCESS(rv, rv);
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// NB: We don't have to handle the NULL case, since that is the default
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// for a new KeyPath.
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if (columnType != mozIStorageStatement::VALUE_TYPE_NULL) {
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NS_ASSERTION(columnType == mozIStorageStatement::VALUE_TYPE_TEXT,
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"Should be a string");
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nsString keyPathSerialization;
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rv = stmt->GetString(2, keyPathSerialization);
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NS_ENSURE_SUCCESS(rv, rv);
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info->keyPath = KeyPath::DeserializeFromString(keyPathSerialization);
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}
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info->nextAutoIncrementId = stmt->AsInt64(3);
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info->comittedAutoIncrementId = info->nextAutoIncrementId;
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info->autoIncrement = !!info->nextAutoIncrementId;
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ObjectStoreInfoMap* mapEntry = infoMap.AppendElement();
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NS_ENSURE_TRUE(mapEntry, NS_ERROR_OUT_OF_MEMORY);
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mapEntry->id = info->id;
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mapEntry->info = info;
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}
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NS_ENSURE_SUCCESS(rv, rv);
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// Load index information
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rv = aConnection->CreateStatement(NS_LITERAL_CSTRING(
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"SELECT object_store_id, id, name, key_path, unique_index, multientry "
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"FROM object_store_index"
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), getter_AddRefs(stmt));
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NS_ENSURE_SUCCESS(rv, rv);
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while (NS_SUCCEEDED((rv = stmt->ExecuteStep(&hasResult))) && hasResult) {
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int64_t objectStoreId = stmt->AsInt64(0);
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ObjectStoreInfo* objectStoreInfo = nullptr;
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for (uint32_t index = 0; index < infoMap.Length(); index++) {
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if (infoMap[index].id == objectStoreId) {
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objectStoreInfo = infoMap[index].info;
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break;
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}
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}
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if (!objectStoreInfo) {
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NS_ERROR("Index for nonexistant object store!");
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return NS_ERROR_UNEXPECTED;
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}
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IndexInfo* indexInfo = objectStoreInfo->indexes.AppendElement();
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NS_ENSURE_TRUE(indexInfo, NS_ERROR_OUT_OF_MEMORY);
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indexInfo->id = stmt->AsInt64(1);
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rv = stmt->GetString(2, indexInfo->name);
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NS_ENSURE_SUCCESS(rv, rv);
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nsString keyPathSerialization;
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rv = stmt->GetString(3, keyPathSerialization);
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NS_ENSURE_SUCCESS(rv, rv);
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// XXX bent wants to assert here
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indexInfo->keyPath = KeyPath::DeserializeFromString(keyPathSerialization);
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indexInfo->unique = !!stmt->AsInt32(4);
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indexInfo->multiEntry = !!stmt->AsInt32(5);
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}
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NS_ENSURE_SUCCESS(rv, rv);
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// Load version information.
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rv = aConnection->CreateStatement(NS_LITERAL_CSTRING(
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"SELECT version "
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"FROM database"
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), getter_AddRefs(stmt));
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NS_ENSURE_SUCCESS(rv, rv);
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rv = stmt->ExecuteStep(&hasResult);
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NS_ENSURE_SUCCESS(rv, rv);
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if (!hasResult) {
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NS_ERROR("Database has no version!");
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return NS_ERROR_UNEXPECTED;
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}
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int64_t version = 0;
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rv = stmt->GetInt64(0, &version);
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*aVersion = NS_MAX<int64_t>(version, 0);
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return rv;
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}
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// static
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nsresult
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IDBFactory::SetDatabaseMetadata(DatabaseInfo* aDatabaseInfo,
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uint64_t aVersion,
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ObjectStoreInfoArray& aObjectStores)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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NS_ASSERTION(aDatabaseInfo, "Null pointer!");
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ObjectStoreInfoArray objectStores;
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objectStores.SwapElements(aObjectStores);
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#ifdef DEBUG
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{
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nsTArray<nsString> existingNames;
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aDatabaseInfo->GetObjectStoreNames(existingNames);
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NS_ASSERTION(existingNames.IsEmpty(), "Should be an empty DatabaseInfo");
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}
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#endif
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aDatabaseInfo->version = aVersion;
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for (uint32_t index = 0; index < objectStores.Length(); index++) {
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nsRefPtr<ObjectStoreInfo>& info = objectStores[index];
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if (!aDatabaseInfo->PutObjectStore(info)) {
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NS_WARNING("Out of memory!");
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return NS_ERROR_OUT_OF_MEMORY;
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}
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}
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return NS_OK;
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}
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NS_IMPL_CYCLE_COLLECTION_CLASS(IDBFactory)
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NS_IMPL_CYCLE_COLLECTING_ADDREF(IDBFactory)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(IDBFactory)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(IDBFactory)
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_ENTRY(nsIIDBFactory)
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NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(IDBFactory)
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NS_INTERFACE_MAP_END
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(IDBFactory)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_SCRIPT_OBJECTS
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mWindow)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(IDBFactory)
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if (tmp->mOwningObject) {
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tmp->mOwningObject = nullptr;
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}
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if (tmp->mRootedOwningObject) {
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NS_DROP_JS_OBJECTS(tmp, IDBFactory);
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tmp->mRootedOwningObject = false;
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}
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NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mWindow)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(IDBFactory)
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NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mOwningObject)
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NS_IMPL_CYCLE_COLLECTION_TRACE_END
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DOMCI_DATA(IDBFactory, IDBFactory)
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nsresult
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IDBFactory::OpenCommon(const nsAString& aName,
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int64_t aVersion,
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bool aDeleting,
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JSContext* aCallingCx,
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IDBOpenDBRequest** _retval)
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|
{
|
|
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
|
|
NS_ASSERTION(mWindow || mOwningObject, "Must have one of these!");
|
|
|
|
nsCOMPtr<nsPIDOMWindow> window;
|
|
JSObject* scriptOwner = nullptr;
|
|
FactoryPrivilege privilege;
|
|
|
|
if (mWindow) {
|
|
window = mWindow;
|
|
scriptOwner =
|
|
static_cast<nsGlobalWindow*>(window.get())->FastGetGlobalJSObject();
|
|
privilege = Content;
|
|
}
|
|
else {
|
|
scriptOwner = mOwningObject;
|
|
privilege = Chrome;
|
|
}
|
|
|
|
nsRefPtr<IDBOpenDBRequest> request =
|
|
IDBOpenDBRequest::Create(this, window, scriptOwner, aCallingCx);
|
|
NS_ENSURE_TRUE(request, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
|
|
|
|
nsresult rv;
|
|
|
|
if (IndexedDatabaseManager::IsMainProcess()) {
|
|
nsRefPtr<OpenDatabaseHelper> openHelper =
|
|
new OpenDatabaseHelper(request, aName, mASCIIOrigin, aVersion, aDeleting,
|
|
mContentParent, privilege);
|
|
|
|
rv = openHelper->Init();
|
|
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
|
|
|
|
nsRefPtr<CheckPermissionsHelper> permissionHelper =
|
|
new CheckPermissionsHelper(openHelper, window, aDeleting);
|
|
|
|
IndexedDatabaseManager* mgr = IndexedDatabaseManager::Get();
|
|
NS_ASSERTION(mgr, "This should never be null!");
|
|
|
|
rv =
|
|
mgr->WaitForOpenAllowed(mASCIIOrigin, openHelper->Id(), permissionHelper);
|
|
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
|
|
}
|
|
else if (aDeleting) {
|
|
nsCOMPtr<nsIAtom> databaseId =
|
|
IndexedDatabaseManager::GetDatabaseId(mASCIIOrigin, aName);
|
|
NS_ENSURE_TRUE(databaseId, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
|
|
|
|
IndexedDBDeleteDatabaseRequestChild* actor =
|
|
new IndexedDBDeleteDatabaseRequestChild(this, request, databaseId);
|
|
|
|
mActorChild->SendPIndexedDBDeleteDatabaseRequestConstructor(
|
|
actor,
|
|
nsString(aName));
|
|
}
|
|
else {
|
|
IndexedDBDatabaseChild* dbActor =
|
|
static_cast<IndexedDBDatabaseChild*>(
|
|
mActorChild->SendPIndexedDBDatabaseConstructor(nsString(aName),
|
|
aVersion));
|
|
|
|
dbActor->SetRequest(request);
|
|
}
|
|
|
|
request.forget(_retval);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
IDBFactory::Open(const nsAString& aName,
|
|
int64_t aVersion,
|
|
JSContext* aCx,
|
|
uint8_t aArgc,
|
|
nsIIDBOpenDBRequest** _retval)
|
|
{
|
|
if (aVersion < 1 && aArgc) {
|
|
return NS_ERROR_TYPE_ERR;
|
|
}
|
|
|
|
nsRefPtr<IDBOpenDBRequest> request;
|
|
nsresult rv = OpenCommon(aName, aVersion, false, aCx,
|
|
getter_AddRefs(request));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
request.forget(_retval);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
IDBFactory::DeleteDatabase(const nsAString& aName,
|
|
JSContext* aCx,
|
|
nsIIDBOpenDBRequest** _retval)
|
|
{
|
|
nsRefPtr<IDBOpenDBRequest> request;
|
|
nsresult rv = OpenCommon(aName, 0, true, aCx, getter_AddRefs(request));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
request.forget(_retval);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
IDBFactory::Cmp(const jsval& aFirst,
|
|
const jsval& aSecond,
|
|
JSContext* aCx,
|
|
int16_t* _retval)
|
|
{
|
|
Key first, second;
|
|
nsresult rv = first.SetFromJSVal(aCx, aFirst);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
rv = second.SetFromJSVal(aCx, aSecond);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
if (first.IsUnset() || second.IsUnset()) {
|
|
return NS_ERROR_DOM_INDEXEDDB_DATA_ERR;
|
|
}
|
|
|
|
*_retval = Key::CompareKeys(first, second);
|
|
return NS_OK;
|
|
}
|