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Diffstat (limited to 'docshell/base/nsDSURIContentListener.h')
-rw-r--r-- | docshell/base/nsDSURIContentListener.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/docshell/base/nsDSURIContentListener.h b/docshell/base/nsDSURIContentListener.h new file mode 100644 index 000000000..f33d1c045 --- /dev/null +++ b/docshell/base/nsDSURIContentListener.h @@ -0,0 +1,74 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef nsDSURIContentListener_h__ +#define nsDSURIContentListener_h__ + +#include "nsCOMPtr.h" +#include "nsIURIContentListener.h" +#include "nsWeakReference.h" + +class nsDocShell; +class nsIWebNavigationInfo; +class nsIHttpChannel; +class nsAString; + +class nsDSURIContentListener final + : public nsIURIContentListener + , public nsSupportsWeakReference +{ + friend class nsDocShell; + +public: + NS_DECL_THREADSAFE_ISUPPORTS + NS_DECL_NSIURICONTENTLISTENER + + nsresult Init(); + +protected: + explicit nsDSURIContentListener(nsDocShell* aDocShell); + virtual ~nsDSURIContentListener(); + + void DropDocShellReference() + { + mDocShell = nullptr; + mExistingJPEGRequest = nullptr; + mExistingJPEGStreamListener = nullptr; + } + + // Determine if X-Frame-Options allows content to be framed + // as a subdocument + bool CheckFrameOptions(nsIRequest* aRequest); + bool CheckOneFrameOptionsPolicy(nsIHttpChannel* aHttpChannel, + const nsAString& aPolicy); + + enum XFOHeader + { + eDENY, + eSAMEORIGIN, + eALLOWFROM + }; + + void ReportXFOViolation(nsIDocShellTreeItem* aTopDocShellItem, + nsIURI* aThisURI, + XFOHeader aHeader); + +protected: + nsDocShell* mDocShell; + // Hack to handle multipart images without creating a new viewer + nsCOMPtr<nsIStreamListener> mExistingJPEGStreamListener; + nsCOMPtr<nsIChannel> mExistingJPEGRequest; + + // Store the parent listener in either of these depending on + // if supports weak references or not. Proper weak refs are + // preferred and encouraged! + nsWeakPtr mWeakParentContentListener; + nsIURIContentListener* mParentContentListener; + + nsCOMPtr<nsIWebNavigationInfo> mNavInfo; +}; + +#endif /* nsDSURIContentListener_h__ */ |