gecko-dev/caps/nsJSPrincipals.h
Nick Fitzgerald ee543a3018 Bug 1209263 - Allow embedders to tell SpiderMonkey how to structured clone principals; r=bz
--HG--
extra : rebase_source : 04835c034431953344e83203e7753043461474ba
2015-10-02 16:44:00 +02:00

67 lines
2.1 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/. */
/* describes principals by their orginating uris*/
#ifndef nsJSPrincipals_h__
#define nsJSPrincipals_h__
#include "jsapi.h"
#include "nsIPrincipal.h"
class nsJSPrincipals : public nsIPrincipal, public JSPrincipals
{
public:
/* SpiderMonkey security callbacks. */
static bool Subsume(JSPrincipals *jsprin, JSPrincipals *other);
static void Destroy(JSPrincipals *jsprin);
/* JSReadPrincipalsOp for nsJSPrincipals */
static bool ReadPrincipals(JSContext* aCx, JSStructuredCloneReader* aReader,
JSPrincipals** aOutPrincipals);
static bool ReadKnownPrincipalType(JSContext* aCx,
JSStructuredCloneReader* aReader,
uint32_t aTag,
JSPrincipals** aOutPrincipals);
bool write(JSContext* aCx, JSStructuredCloneWriter* aWriter) final;
/*
* Get a weak reference to nsIPrincipal associated with the given JS
* principal, and vice-versa.
*/
static nsJSPrincipals* get(JSPrincipals *principals) {
nsJSPrincipals *self = static_cast<nsJSPrincipals *>(principals);
MOZ_ASSERT_IF(self, self->debugToken == DEBUG_TOKEN);
return self;
}
static nsJSPrincipals* get(nsIPrincipal *principal) {
nsJSPrincipals *self = static_cast<nsJSPrincipals *>(principal);
MOZ_ASSERT_IF(self, self->debugToken == DEBUG_TOKEN);
return self;
}
NS_IMETHOD_(MozExternalRefCountType) AddRef(void) override;
NS_IMETHOD_(MozExternalRefCountType) Release(void) override;
nsJSPrincipals() {
refcount = 0;
setDebugToken(DEBUG_TOKEN);
}
/**
* Return a string that can be used as JS script filename in error reports.
*/
virtual void GetScriptLocation(nsACString &aStr) = 0;
static const uint32_t DEBUG_TOKEN = 0x0bf41760;
protected:
virtual ~nsJSPrincipals() {
setDebugToken(0);
}
};
#endif /* nsJSPrincipals_h__ */