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-rw-r--r--dom/security/FramingChecker.h49
1 files changed, 49 insertions, 0 deletions
diff --git a/dom/security/FramingChecker.h b/dom/security/FramingChecker.h
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+++ b/dom/security/FramingChecker.h
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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 */