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94 lines
3.8 KiB
C++
94 lines
3.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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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* Boris Zbarsky <bzbarsky@mit.edu>.
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* Portions created by the Initial Developer are Copyright (C) 2004
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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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 of the GNU General Public License Version 2 or later (the "GPL"),
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* or 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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/*
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* Content policy implementation that prevents all loads of images,
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* subframes, etc from documents loaded as data (eg documents loaded
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* via XMLHttpRequest).
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*/
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#include "nsDataDocumentContentPolicy.h"
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#include "nsIDocument.h"
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#include "nsINode.h"
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#include "nsIDOMWindow.h"
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#include "nsIDOMDocument.h"
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NS_IMPL_ISUPPORTS1(nsDataDocumentContentPolicy, nsIContentPolicy)
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NS_IMETHODIMP
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nsDataDocumentContentPolicy::ShouldLoad(PRUint32 aContentType,
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nsIURI *aContentLocation,
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nsIURI *aRequestingLocation,
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nsISupports *aRequestingContext,
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const nsACString &aMimeGuess,
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nsISupports *aExtra,
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PRInt16 *aDecision)
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{
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*aDecision = nsIContentPolicy::ACCEPT;
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// Look for the document. In most cases, aRequestingContext is a node.
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nsCOMPtr<nsIDocument> doc;
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nsCOMPtr<nsINode> node = do_QueryInterface(aRequestingContext);
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if (node) {
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doc = node->GetOwnerDoc();
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} else {
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nsCOMPtr<nsIDOMWindow> window = do_QueryInterface(aRequestingContext);
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if (window) {
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nsCOMPtr<nsIDOMDocument> domDoc;
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window->GetDocument(getter_AddRefs(domDoc));
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doc = do_QueryInterface(domDoc);
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}
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}
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if (aContentType != nsIContentPolicy::TYPE_DTD && doc && doc->IsLoadedAsData()) {
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*aDecision = nsIContentPolicy::REJECT_TYPE;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDataDocumentContentPolicy::ShouldProcess(PRUint32 aContentType,
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nsIURI *aContentLocation,
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nsIURI *aRequestingLocation,
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nsISupports *aRequestingContext,
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const nsACString &aMimeGuess,
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nsISupports *aExtra,
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PRInt16 *aDecision)
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{
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return ShouldLoad(aContentType, aContentLocation, aRequestingLocation,
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aRequestingContext, aMimeGuess, aExtra, aDecision);
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}
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