зеркало из https://github.com/mozilla/pjs.git
591 строка
18 KiB
C++
591 строка
18 KiB
C++
/* -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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 mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Mozilla Corporation
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* Portions created by the Initial Developer are Copyright (C) 2007
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Dave Camp <dcamp@mozilla.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 "OfflineCacheUpdateChild.h"
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#include "OfflineCacheUpdateParent.h"
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#include "nsXULAppAPI.h"
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#include "OfflineCacheUpdateGlue.h"
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#include "nsOfflineCacheUpdate.h"
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#include "nsCPrefetchService.h"
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#include "nsCURILoader.h"
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#include "nsIApplicationCacheContainer.h"
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#include "nsIApplicationCacheChannel.h"
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#include "nsIApplicationCacheService.h"
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#include "nsICache.h"
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#include "nsICacheService.h"
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#include "nsICacheSession.h"
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#include "nsICachingChannel.h"
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#include "nsIContent.h"
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#include "nsIDocumentLoader.h"
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#include "nsIDOMElement.h"
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#include "nsIDOMWindow.h"
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#include "nsIDOMOfflineResourceList.h"
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#include "nsIDocument.h"
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#include "nsIObserverService.h"
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#include "nsIURL.h"
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#include "nsIWebProgress.h"
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#include "nsICryptoHash.h"
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#include "nsICacheEntryDescriptor.h"
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#include "nsIPermissionManager.h"
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#include "nsIPrincipal.h"
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#include "nsNetCID.h"
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#include "nsNetUtil.h"
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#include "nsServiceManagerUtils.h"
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#include "nsStreamUtils.h"
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#include "nsThreadUtils.h"
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#include "nsProxyRelease.h"
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#include "prlog.h"
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#include "nsIAsyncVerifyRedirectCallback.h"
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#include "mozilla/Preferences.h"
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using namespace mozilla;
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static nsOfflineCacheUpdateService *gOfflineCacheUpdateService = nsnull;
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typedef mozilla::docshell::OfflineCacheUpdateParent OfflineCacheUpdateParent;
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typedef mozilla::docshell::OfflineCacheUpdateChild OfflineCacheUpdateChild;
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typedef mozilla::docshell::OfflineCacheUpdateGlue OfflineCacheUpdateGlue;
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#if defined(PR_LOGGING)
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//
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// To enable logging (see prlog.h for full details):
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//
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// set NSPR_LOG_MODULES=nsOfflineCacheUpdate:5
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// set NSPR_LOG_FILE=offlineupdate.log
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//
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// this enables PR_LOG_ALWAYS level information and places all output in
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// the file offlineupdate.log
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//
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PRLogModuleInfo *gOfflineCacheUpdateLog;
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#endif
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#define LOG(args) PR_LOG(gOfflineCacheUpdateLog, 4, args)
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#define LOG_ENABLED() PR_LOG_TEST(gOfflineCacheUpdateLog, 4)
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class AutoFreeArray {
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public:
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AutoFreeArray(PRUint32 count, char **values)
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: mCount(count), mValues(values) {};
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~AutoFreeArray() { NS_FREE_XPCOM_ALLOCATED_POINTER_ARRAY(mCount, mValues); }
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private:
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PRUint32 mCount;
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char **mValues;
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};
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//-----------------------------------------------------------------------------
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// nsOfflineCachePendingUpdate
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//-----------------------------------------------------------------------------
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class nsOfflineCachePendingUpdate : public nsIWebProgressListener
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, public nsSupportsWeakReference
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIWEBPROGRESSLISTENER
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nsOfflineCachePendingUpdate(nsOfflineCacheUpdateService *aService,
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nsIURI *aManifestURI,
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nsIURI *aDocumentURI,
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nsIDOMDocument *aDocument)
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: mService(aService)
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, mManifestURI(aManifestURI)
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, mDocumentURI(aDocumentURI)
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{
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mDocument = do_GetWeakReference(aDocument);
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}
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private:
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nsRefPtr<nsOfflineCacheUpdateService> mService;
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nsCOMPtr<nsIURI> mManifestURI;
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nsCOMPtr<nsIURI> mDocumentURI;
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nsCOMPtr<nsIWeakReference> mDocument;
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};
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NS_IMPL_ISUPPORTS2(nsOfflineCachePendingUpdate,
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nsIWebProgressListener,
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nsISupportsWeakReference)
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//-----------------------------------------------------------------------------
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// nsOfflineCacheUpdateService::nsIWebProgressListener
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//-----------------------------------------------------------------------------
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NS_IMETHODIMP
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nsOfflineCachePendingUpdate::OnProgressChange(nsIWebProgress *aProgress,
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nsIRequest *aRequest,
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PRInt32 curSelfProgress,
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PRInt32 maxSelfProgress,
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PRInt32 curTotalProgress,
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PRInt32 maxTotalProgress)
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{
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NS_NOTREACHED("notification excluded in AddProgressListener(...)");
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return NS_OK;
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}
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NS_IMETHODIMP
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nsOfflineCachePendingUpdate::OnStateChange(nsIWebProgress* aWebProgress,
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nsIRequest *aRequest,
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PRUint32 progressStateFlags,
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nsresult aStatus)
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{
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nsCOMPtr<nsIDOMDocument> updateDoc = do_QueryReferent(mDocument);
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if (!updateDoc) {
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// The document that scheduled this update has gone away,
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// we don't need to listen anymore.
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aWebProgress->RemoveProgressListener(this);
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NS_RELEASE_THIS();
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return NS_OK;
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}
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if (!(progressStateFlags & STATE_STOP)) {
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return NS_OK;
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}
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nsCOMPtr<nsIDOMWindow> window;
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aWebProgress->GetDOMWindow(getter_AddRefs(window));
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if (!window) return NS_OK;
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nsCOMPtr<nsIDOMDocument> progressDoc;
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window->GetDocument(getter_AddRefs(progressDoc));
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if (!progressDoc) return NS_OK;
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if (!SameCOMIdentity(progressDoc, updateDoc)) {
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return NS_OK;
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}
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LOG(("nsOfflineCachePendingUpdate::OnStateChange [%p, doc=%p]",
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this, progressDoc.get()));
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// Only schedule the update if the document loaded successfully
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if (NS_SUCCEEDED(aStatus)) {
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nsCOMPtr<nsIOfflineCacheUpdate> update;
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mService->Schedule(mManifestURI, mDocumentURI,
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updateDoc, window, getter_AddRefs(update));
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}
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aWebProgress->RemoveProgressListener(this);
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NS_RELEASE_THIS();
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return NS_OK;
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}
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NS_IMETHODIMP
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nsOfflineCachePendingUpdate::OnLocationChange(nsIWebProgress* aWebProgress,
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nsIRequest* aRequest,
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nsIURI *location)
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{
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NS_NOTREACHED("notification excluded in AddProgressListener(...)");
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return NS_OK;
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}
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NS_IMETHODIMP
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nsOfflineCachePendingUpdate::OnStatusChange(nsIWebProgress* aWebProgress,
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nsIRequest* aRequest,
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nsresult aStatus,
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const PRUnichar* aMessage)
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{
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NS_NOTREACHED("notification excluded in AddProgressListener(...)");
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return NS_OK;
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}
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NS_IMETHODIMP
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nsOfflineCachePendingUpdate::OnSecurityChange(nsIWebProgress *aWebProgress,
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nsIRequest *aRequest,
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PRUint32 state)
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{
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NS_NOTREACHED("notification excluded in AddProgressListener(...)");
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return NS_OK;
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}
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//-----------------------------------------------------------------------------
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// nsOfflineCacheUpdateService::nsISupports
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//-----------------------------------------------------------------------------
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NS_IMPL_ISUPPORTS3(nsOfflineCacheUpdateService,
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nsIOfflineCacheUpdateService,
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nsIObserver,
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nsISupportsWeakReference)
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//-----------------------------------------------------------------------------
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// nsOfflineCacheUpdateService <public>
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//-----------------------------------------------------------------------------
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nsOfflineCacheUpdateService::nsOfflineCacheUpdateService()
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: mDisabled(PR_FALSE)
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, mUpdateRunning(PR_FALSE)
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{
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}
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nsOfflineCacheUpdateService::~nsOfflineCacheUpdateService()
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{
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gOfflineCacheUpdateService = nsnull;
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}
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nsresult
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nsOfflineCacheUpdateService::Init()
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{
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#if defined(PR_LOGGING)
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if (!gOfflineCacheUpdateLog)
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gOfflineCacheUpdateLog = PR_NewLogModule("nsOfflineCacheUpdate");
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#endif
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// Observe xpcom-shutdown event
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nsCOMPtr<nsIObserverService> observerService =
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mozilla::services::GetObserverService();
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if (!observerService)
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return NS_ERROR_FAILURE;
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nsresult rv = observerService->AddObserver(this,
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NS_XPCOM_SHUTDOWN_OBSERVER_ID,
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PR_TRUE);
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NS_ENSURE_SUCCESS(rv, rv);
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gOfflineCacheUpdateService = this;
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return NS_OK;
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}
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/* static */
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nsOfflineCacheUpdateService *
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nsOfflineCacheUpdateService::GetInstance()
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{
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if (!gOfflineCacheUpdateService) {
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gOfflineCacheUpdateService = new nsOfflineCacheUpdateService();
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if (!gOfflineCacheUpdateService)
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return nsnull;
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NS_ADDREF(gOfflineCacheUpdateService);
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nsresult rv = gOfflineCacheUpdateService->Init();
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if (NS_FAILED(rv)) {
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NS_RELEASE(gOfflineCacheUpdateService);
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return nsnull;
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}
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return gOfflineCacheUpdateService;
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}
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NS_ADDREF(gOfflineCacheUpdateService);
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return gOfflineCacheUpdateService;
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}
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/* static */
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nsOfflineCacheUpdateService *
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nsOfflineCacheUpdateService::EnsureService()
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{
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if (!gOfflineCacheUpdateService) {
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// Make the service manager hold a long-lived reference to the service
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nsCOMPtr<nsIOfflineCacheUpdateService> service =
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do_GetService(NS_OFFLINECACHEUPDATESERVICE_CONTRACTID);
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}
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return gOfflineCacheUpdateService;
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}
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nsresult
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nsOfflineCacheUpdateService::ScheduleUpdate(nsOfflineCacheUpdate *aUpdate)
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{
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LOG(("nsOfflineCacheUpdateService::Schedule [%p, update=%p]",
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this, aUpdate));
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aUpdate->SetOwner(this);
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mUpdates.AppendElement(aUpdate);
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ProcessNextUpdate();
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return NS_OK;
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}
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NS_IMETHODIMP
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nsOfflineCacheUpdateService::ScheduleOnDocumentStop(nsIURI *aManifestURI,
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nsIURI *aDocumentURI,
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nsIDOMDocument *aDocument)
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{
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LOG(("nsOfflineCacheUpdateService::ScheduleOnDocumentStop [%p, manifestURI=%p, documentURI=%p doc=%p]",
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this, aManifestURI, aDocumentURI, aDocument));
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nsCOMPtr<nsIDocument> doc = do_QueryInterface(aDocument);
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nsCOMPtr<nsISupports> container = doc->GetContainer();
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nsCOMPtr<nsIWebProgress> progress = do_QueryInterface(container);
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NS_ENSURE_TRUE(progress, NS_ERROR_INVALID_ARG);
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// Proceed with cache update
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nsRefPtr<nsOfflineCachePendingUpdate> update =
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new nsOfflineCachePendingUpdate(this, aManifestURI,
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aDocumentURI, aDocument);
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NS_ENSURE_TRUE(update, NS_ERROR_OUT_OF_MEMORY);
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nsresult rv = progress->AddProgressListener
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(update, nsIWebProgress::NOTIFY_STATE_DOCUMENT);
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NS_ENSURE_SUCCESS(rv, rv);
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// The update will release when it has scheduled itself.
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update.forget();
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return NS_OK;
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}
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nsresult
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nsOfflineCacheUpdateService::UpdateFinished(nsOfflineCacheUpdate *aUpdate)
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{
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LOG(("nsOfflineCacheUpdateService::UpdateFinished [%p, update=%p]",
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this, aUpdate));
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NS_ASSERTION(mUpdates.Length() > 0 &&
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mUpdates[0] == aUpdate, "Unknown update completed");
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// keep this item alive until we're done notifying observers
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nsRefPtr<nsOfflineCacheUpdate> update = mUpdates[0];
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mUpdates.RemoveElementAt(0);
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mUpdateRunning = PR_FALSE;
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ProcessNextUpdate();
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return NS_OK;
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}
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//-----------------------------------------------------------------------------
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// nsOfflineCacheUpdateService <private>
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//-----------------------------------------------------------------------------
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nsresult
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nsOfflineCacheUpdateService::ProcessNextUpdate()
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{
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LOG(("nsOfflineCacheUpdateService::ProcessNextUpdate [%p, num=%d]",
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this, mUpdates.Length()));
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if (mDisabled)
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return NS_ERROR_ABORT;
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if (mUpdateRunning)
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return NS_OK;
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if (mUpdates.Length() > 0) {
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mUpdateRunning = PR_TRUE;
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return mUpdates[0]->Begin();
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}
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return NS_OK;
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}
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//-----------------------------------------------------------------------------
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// nsOfflineCacheUpdateService::nsIOfflineCacheUpdateService
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//-----------------------------------------------------------------------------
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NS_IMETHODIMP
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nsOfflineCacheUpdateService::GetNumUpdates(PRUint32 *aNumUpdates)
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{
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LOG(("nsOfflineCacheUpdateService::GetNumUpdates [%p]", this));
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*aNumUpdates = mUpdates.Length();
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return NS_OK;
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}
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NS_IMETHODIMP
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nsOfflineCacheUpdateService::GetUpdate(PRUint32 aIndex,
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nsIOfflineCacheUpdate **aUpdate)
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{
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LOG(("nsOfflineCacheUpdateService::GetUpdate [%p, %d]", this, aIndex));
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if (aIndex < mUpdates.Length()) {
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NS_ADDREF(*aUpdate = mUpdates[aIndex]);
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} else {
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*aUpdate = nsnull;
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}
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return NS_OK;
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}
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nsresult
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nsOfflineCacheUpdateService::FindUpdate(nsIURI *aManifestURI,
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nsIURI *aDocumentURI,
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nsOfflineCacheUpdate **aUpdate)
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{
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nsresult rv;
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nsRefPtr<nsOfflineCacheUpdate> update;
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for (PRUint32 i = 0; i < mUpdates.Length(); i++) {
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update = mUpdates[i];
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PRBool partial;
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rv = update->GetPartial(&partial);
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NS_ENSURE_SUCCESS(rv, rv);
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if (partial) {
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// Partial updates aren't considered
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continue;
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}
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nsCOMPtr<nsIURI> manifestURI;
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update->GetManifestURI(getter_AddRefs(manifestURI));
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if (manifestURI) {
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PRBool equals;
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rv = manifestURI->Equals(aManifestURI, &equals);
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if (equals) {
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update.swap(*aUpdate);
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return NS_OK;
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}
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}
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}
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return NS_ERROR_NOT_AVAILABLE;
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}
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nsresult
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nsOfflineCacheUpdateService::Schedule(nsIURI *aManifestURI,
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nsIURI *aDocumentURI,
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nsIDOMDocument *aDocument,
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nsIDOMWindow* aWindow,
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nsIOfflineCacheUpdate **aUpdate)
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{
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nsCOMPtr<nsIOfflineCacheUpdate> update;
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if (GeckoProcessType_Default != XRE_GetProcessType()) {
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update = new OfflineCacheUpdateChild(aWindow);
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}
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else {
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update = new OfflineCacheUpdateGlue();
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}
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nsresult rv;
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rv = update->Init(aManifestURI, aDocumentURI, aDocument);
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NS_ENSURE_SUCCESS(rv, rv);
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rv = update->Schedule();
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NS_ENSURE_SUCCESS(rv, rv);
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NS_ADDREF(*aUpdate = update);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsOfflineCacheUpdateService::ScheduleUpdate(nsIURI *aManifestURI,
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nsIURI *aDocumentURI,
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nsIDOMWindow *aWindow,
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nsIOfflineCacheUpdate **aUpdate)
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{
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return Schedule(aManifestURI, aDocumentURI, nsnull, aWindow, aUpdate);
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}
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//-----------------------------------------------------------------------------
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// nsOfflineCacheUpdateService::nsIObserver
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//-----------------------------------------------------------------------------
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NS_IMETHODIMP
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nsOfflineCacheUpdateService::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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if (!strcmp(aTopic, NS_XPCOM_SHUTDOWN_OBSERVER_ID)) {
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if (mUpdates.Length() > 0)
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mUpdates[0]->Cancel();
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mDisabled = PR_TRUE;
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}
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return NS_OK;
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}
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//-----------------------------------------------------------------------------
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// nsOfflineCacheUpdateService::nsIOfflineCacheUpdateService
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//-----------------------------------------------------------------------------
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NS_IMETHODIMP
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nsOfflineCacheUpdateService::OfflineAppAllowed(nsIPrincipal *aPrincipal,
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nsIPrefBranch *aPrefBranch,
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PRBool *aAllowed)
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{
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nsCOMPtr<nsIURI> codebaseURI;
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nsresult rv = aPrincipal->GetURI(getter_AddRefs(codebaseURI));
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NS_ENSURE_SUCCESS(rv, rv);
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return OfflineAppAllowedForURI(codebaseURI, aPrefBranch, aAllowed);
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}
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NS_IMETHODIMP
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nsOfflineCacheUpdateService::OfflineAppAllowedForURI(nsIURI *aURI,
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nsIPrefBranch *aPrefBranch,
|
|
PRBool *aAllowed)
|
|
{
|
|
*aAllowed = PR_FALSE;
|
|
if (!aURI)
|
|
return NS_OK;
|
|
|
|
nsCOMPtr<nsIURI> innerURI = NS_GetInnermostURI(aURI);
|
|
if (!innerURI)
|
|
return NS_OK;
|
|
|
|
// only http and https applications can use offline APIs.
|
|
PRBool match;
|
|
nsresult rv = innerURI->SchemeIs("http", &match);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
if (!match) {
|
|
rv = innerURI->SchemeIs("https", &match);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
if (!match) {
|
|
return NS_OK;
|
|
}
|
|
}
|
|
|
|
nsCOMPtr<nsIPermissionManager> permissionManager =
|
|
do_GetService(NS_PERMISSIONMANAGER_CONTRACTID);
|
|
if (!permissionManager) {
|
|
return NS_OK;
|
|
}
|
|
|
|
PRUint32 perm;
|
|
permissionManager->TestExactPermission(innerURI, "offline-app", &perm);
|
|
|
|
if (perm == nsIPermissionManager::UNKNOWN_ACTION) {
|
|
static const char kPrefName[] = "offline-apps.allow_by_default";
|
|
if (aPrefBranch) {
|
|
aPrefBranch->GetBoolPref(kPrefName, aAllowed);
|
|
} else {
|
|
*aAllowed = Preferences::GetBool(kPrefName, PR_FALSE);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
if (perm == nsIPermissionManager::DENY_ACTION) {
|
|
return NS_OK;
|
|
}
|
|
|
|
*aAllowed = PR_TRUE;
|
|
|
|
return NS_OK;
|
|
}
|