gecko-dev/caps/nsNullPrincipal.h

75 lines
2.3 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/. */
/**
* This is the principal that has no rights and can't be accessed by
* anything other than itself and chrome; null principals are not
* same-origin with anything but themselves.
*/
#ifndef nsNullPrincipal_h__
#define nsNullPrincipal_h__
#include "nsIPrincipal.h"
#include "nsJSPrincipals.h"
#include "nsIScriptSecurityManager.h"
#include "nsCOMPtr.h"
#include "nsIContentSecurityPolicy.h"
class nsIURI;
#define NS_NULLPRINCIPAL_CID \
{ 0xa0bd8b42, 0xf6bf, 0x4fb9, \
{ 0x93, 0x42, 0x90, 0xbf, 0xc9, 0xb7, 0xa1, 0xab } }
#define NS_NULLPRINCIPAL_CONTRACTID "@mozilla.org/nullprincipal;1"
#define NS_NULLPRINCIPAL_SCHEME "moz-nullprincipal"
class nsNullPrincipal final : public nsJSPrincipals
{
public:
// This should only be used by deserialization, and the factory constructor.
// Other consumers should use the Create and CreateWithInheritedAttributes
// methods.
nsNullPrincipal();
// Our refcount is managed by nsJSPrincipals. Use this macro to avoid an
// extra refcount member.
// FIXME: bug 327245 -- I sorta wish there were a clean way to share the
// nsJSPrincipals munging code between the various principal classes without
// giving up the NS_DECL_NSIPRINCIPAL goodness.
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSIPRINCIPAL
NS_DECL_NSISERIALIZABLE
// Returns null on failure.
static already_AddRefed<nsNullPrincipal> CreateWithInheritedAttributes(nsIPrincipal *aInheritFrom);
// Returns null on failure.
static already_AddRefed<nsNullPrincipal>
Create(uint32_t aAppId = nsIScriptSecurityManager::NO_APP_ID,
bool aInMozBrowser = false);
nsresult Init(uint32_t aAppId = nsIScriptSecurityManager::NO_APP_ID,
bool aInMozBrowser = false);
virtual void GetScriptLocation(nsACString &aStr) override;
#ifdef DEBUG
virtual void dumpImpl() override;
#endif
protected:
virtual ~nsNullPrincipal();
nsCOMPtr<nsIURI> mURI;
nsCOMPtr<nsIContentSecurityPolicy> mCSP;
uint32_t mAppId;
bool mInMozBrowser;
};
#endif // nsNullPrincipal_h__