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/* -*- 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 mozilla_dom_FramingChecker_h
#define mozilla_dom_FramingChecker_h
#include "nsStringFwd.h"
class nsIDocShell;
class nsIChannel;
class nsIHttpChannel;
class nsIDocShellTreeItem;
class nsIURI;
class nsIContentSecurityPolicy;
namespace mozilla::dom {
class BrowsingContext;
} // namespace mozilla::dom
class FramingChecker {
public:
// Determine if X-Frame-Options allows content to be framed
// as a subdocument
static bool CheckFrameOptions(nsIChannel* aChannel,
nsIContentSecurityPolicy* aCSP,
bool& outIsFrameCheckingSkipped);
protected:
enum XFOHeader { eDENY, eSAMEORIGIN };
/**
* Logs to the window about a X-Frame-Options error.
*
* @param aMessageTag the error message identifier to log
* @param aChannel the HTTP Channel
* @param aURI the URI of the frame attempting to load
* @param aPolicy the header value string from the frame to the console.
*/
static void ReportError(const char* aMessageTag, nsIHttpChannel* aChannel,
nsIURI* aURI, const nsAString& aPolicy);
static bool CheckOneFrameOptionsPolicy(nsIHttpChannel* aHttpChannel,
const nsAString& aPolicy);
};
#endif /* mozilla_dom_FramingChecker_h */
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