The Tor Browser: docshell/base/nsDSURIContentListener.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-

     2  *

     3  * This Source Code Form is subject to the terms of the Mozilla Public

     4  * License, v. 2.0. If a copy of the MPL was not distributed with this

     5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     7 #ifndef nsDSURIContentListener_h__

     8 #define nsDSURIContentListener_h__

    10 #include "nsCOMPtr.h"

    11 #include "nsIURIContentListener.h"

    12 #include "nsWeakReference.h"

    14 class nsDocShell;

    15 class nsIWebNavigationInfo;

    16 class nsIHttpChannel;

    17 class nsAString;

    19 class nsDSURIContentListener :

    20     public nsIURIContentListener,

    21     public nsSupportsWeakReference

    23 {

    24 friend class nsDocShell;

    25 public:

    26     NS_DECL_THREADSAFE_ISUPPORTS

    27     NS_DECL_NSIURICONTENTLISTENER

    29     nsresult Init();

    31 protected:

    32     nsDSURIContentListener(nsDocShell* aDocShell);

    33     virtual ~nsDSURIContentListener();

    35     void DropDocShellreference() {

    36         mDocShell = nullptr;

    37     }

    39     // Determine if X-Frame-Options allows content to be framed

    40     // as a subdocument

    41     bool CheckFrameOptions(nsIRequest* request);

    42     bool CheckOneFrameOptionsPolicy(nsIHttpChannel* httpChannel,

    43                                     const nsAString& policy);

    45     enum XFOHeader {

    46       eDENY,

    47       eSAMEORIGIN,

    48       eALLOWFROM

    49     };

    51     void ReportXFOViolation(nsIDocShellTreeItem* aTopDocShellItem,

    52                             nsIURI* aThisURI,

    53                             XFOHeader aHeader);

    54 protected:

    55     nsDocShell*                      mDocShell;

    57     // Store the parent listener in either of these depending on

    58     // if supports weak references or not. Proper weak refs are

    59     // preferred and encouraged!

    60     nsWeakPtr                        mWeakParentContentListener;

    61     nsIURIContentListener*           mParentContentListener;

    63     nsCOMPtr<nsIWebNavigationInfo>   mNavInfo;

    64 };

    66 #endif /* nsDSURIContentListener_h__ */

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