gecko-dev/dom/security/nsContentSecurityUtils.h

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1.9 KiB
C++

/* -*- 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/. */
/* A namespace class for static content security utilities. */
#ifndef nsContentSecurityUtils_h___
#define nsContentSecurityUtils_h___
class nsIChannel;
class nsIHttpChannel;
namespace mozilla {
namespace dom {
class Document;
} // namespace dom
} // namespace mozilla
typedef std::pair<nsCString, mozilla::Maybe<nsString>> FilenameTypeAndDetails;
class nsContentSecurityUtils {
public:
static FilenameTypeAndDetails FilenameToFilenameType(
const nsString& fileName, bool collectAdditionalExtensionData);
static bool IsEvalAllowed(JSContext* cx, bool aIsSystemPrincipal,
const nsAString& aScript);
static void NotifyEvalUsage(bool aIsSystemPrincipal,
NS_ConvertUTF8toUTF16& aFileNameA,
uint64_t aWindowID, uint32_t aLineNumber,
uint32_t aColumnNumber);
// Helper function to query the HTTP Channel of a potential
// multi-part channel. Mostly used for querying response headers
static nsresult GetHttpChannelFromPotentialMultiPart(
nsIChannel* aChannel, nsIHttpChannel** aHttpChannel);
// Helper function which performs the following framing checks
// * CSP frame-ancestors
// * x-frame-options
// If any of the two disallows framing, the channel will be cancelled.
static void PerformCSPFrameAncestorAndXFOCheck(nsIChannel* aChannel);
#if defined(DEBUG)
static void AssertAboutPageHasCSP(mozilla::dom::Document* aDocument);
#endif
static bool ValidateScriptFilename(const char* aFilename,
bool aIsSystemRealm);
};
#endif /* nsContentSecurityUtils_h___ */