77 lines
2.2 KiB
C++
77 lines
2.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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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#ifndef nsDSURIContentListener_h__
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#define nsDSURIContentListener_h__
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#include "nsCOMPtr.h"
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#include "nsIURIContentListener.h"
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#include "nsWeakReference.h"
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class nsDocShell;
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class nsIWebNavigationInfo;
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class nsIHttpChannel;
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class nsAString;
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class nsDSURIContentListener final
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: public nsIURIContentListener
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, public nsSupportsWeakReference
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{
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friend class nsDocShell;
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public:
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_DECL_NSIURICONTENTLISTENER
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nsresult Init();
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// Determine if X-Frame-Options allows content to be framed
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// as a subdocument
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static bool CheckFrameOptions(nsIChannel* aChannel,
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nsIDocShell* aDocShell,
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nsIPrincipal* aPrincipal);
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protected:
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explicit nsDSURIContentListener(nsDocShell* aDocShell);
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virtual ~nsDSURIContentListener();
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void DropDocShellReference()
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{
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mDocShell = nullptr;
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mExistingJPEGRequest = nullptr;
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mExistingJPEGStreamListener = nullptr;
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}
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static bool CheckOneFrameOptionsPolicy(nsIHttpChannel* aHttpChannel,
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const nsAString& aPolicy,
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nsIDocShell* aDocShell);
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enum XFOHeader
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{
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eDENY,
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eSAMEORIGIN,
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eALLOWFROM
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};
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static void ReportXFOViolation(nsIDocShellTreeItem* aTopDocShellItem,
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nsIURI* aThisURI,
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XFOHeader aHeader);
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protected:
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nsDocShell* mDocShell;
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// Hack to handle multipart images without creating a new viewer
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nsCOMPtr<nsIStreamListener> mExistingJPEGStreamListener;
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nsCOMPtr<nsIChannel> mExistingJPEGRequest;
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// Store the parent listener in either of these depending on
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// if supports weak references or not. Proper weak refs are
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// preferred and encouraged!
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nsWeakPtr mWeakParentContentListener;
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nsIURIContentListener* mParentContentListener;
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nsCOMPtr<nsIWebNavigationInfo> mNavInfo;
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};
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#endif /* nsDSURIContentListener_h__ */
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