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117e232bdc
Finally, here we add the virtual method isSystemOrAddonPrincipal to the JSPrincipal object. We also add it to nsJSPrincipal (where it has an easy implementation), and to carry classes that are used by JS tests and the shell. Differential Revision: https://phabricator.services.mozilla.com/D47477 --HG-- extra : moz-landing-system : lando
85 lines
3.1 KiB
C++
85 lines
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* describes principals by their orginating uris*/
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#ifndef nsJSPrincipals_h__
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#define nsJSPrincipals_h__
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#include "jsapi.h"
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#include "nsIPrincipal.h"
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namespace mozilla {
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namespace ipc {
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class PrincipalInfo;
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} // namespace ipc
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} // namespace mozilla
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class nsJSPrincipals : public nsIPrincipal, public JSPrincipals {
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public:
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/* SpiderMonkey security callbacks. */
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static bool Subsume(JSPrincipals* jsprin, JSPrincipals* other);
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static void Destroy(JSPrincipals* jsprin);
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/* JSReadPrincipalsOp for nsJSPrincipals */
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static bool ReadPrincipals(JSContext* aCx, JSStructuredCloneReader* aReader,
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JSPrincipals** aOutPrincipals);
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static bool ReadKnownPrincipalType(JSContext* aCx,
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JSStructuredCloneReader* aReader,
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uint32_t aTag,
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JSPrincipals** aOutPrincipals);
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/* For write() implementations of off-main-thread JSPrincipals. */
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static bool WritePrincipalInfo(JSStructuredCloneWriter* aWriter,
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const mozilla::ipc::PrincipalInfo& aInfo);
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// This class is used on the main thread to specify which principal to use
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// when reading principals data that was set on a DOM worker thread.
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// DOM workers do not use principals from Gecko's point of view, and any
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// JSPrincipals used internally will be a shared singleton object. When that
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// singleton is written out and later read on the main thread, we substitute
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// the principal specified with this class.
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struct MOZ_RAII AutoSetActiveWorkerPrincipal {
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explicit AutoSetActiveWorkerPrincipal(nsIPrincipal* aPrincipal);
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~AutoSetActiveWorkerPrincipal();
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};
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bool write(JSContext* aCx, JSStructuredCloneWriter* aWriter) final;
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bool isSystemOrAddonPrincipal() final;
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/*
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* Get a weak reference to nsIPrincipal associated with the given JS
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* principal, and vice-versa.
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*/
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static nsJSPrincipals* get(JSPrincipals* principals) {
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nsJSPrincipals* self = static_cast<nsJSPrincipals*>(principals);
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MOZ_ASSERT_IF(self, self->debugToken == DEBUG_TOKEN);
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return self;
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}
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static nsJSPrincipals* get(nsIPrincipal* principal) {
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nsJSPrincipals* self = static_cast<nsJSPrincipals*>(principal);
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MOZ_ASSERT_IF(self, self->debugToken == DEBUG_TOKEN);
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return self;
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}
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NS_IMETHOD_(MozExternalRefCountType) AddRef(void) override;
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NS_IMETHOD_(MozExternalRefCountType) Release(void) override;
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nsJSPrincipals() {
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refcount = 0;
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setDebugToken(DEBUG_TOKEN);
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}
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/**
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* Return a string that can be used as JS script filename in error reports.
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*/
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virtual nsresult GetScriptLocation(nsACString& aStr) = 0;
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static const uint32_t DEBUG_TOKEN = 0x0bf41760;
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protected:
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virtual ~nsJSPrincipals() { setDebugToken(0); }
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};
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#endif /* nsJSPrincipals_h__ */
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