gecko-dev/caps/nsNullPrincipal.h

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3.0 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"
#include "mozilla/BasePrincipal.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 mozilla::BasePrincipal
{
public:
// This should only be used by deserialization, and the factory constructor.
// Other consumers should use the Create and CreateWithInheritedAttributes
// methods.
nsNullPrincipal() {}
NS_DECL_NSISERIALIZABLE
NS_IMETHOD QueryInterface(REFNSIID aIID, void** aInstancePtr) override;
NS_IMETHOD Equals(nsIPrincipal* other, bool* _retval) override;
NS_IMETHOD EqualsConsideringDomain(nsIPrincipal* other, bool* _retval) override;
NS_IMETHOD GetHashValue(uint32_t* aHashValue) override;
NS_IMETHOD GetURI(nsIURI** aURI) override;
NS_IMETHOD GetDomain(nsIURI** aDomain) override;
NS_IMETHOD SetDomain(nsIURI* aDomain) override;
NS_IMETHOD GetOrigin(nsACString& aOrigin) override;
NS_IMETHOD Subsumes(nsIPrincipal* other, bool* _retval) override;
NS_IMETHOD SubsumesConsideringDomain(nsIPrincipal* other, bool* _retval) override;
NS_IMETHOD CheckMayLoad(nsIURI* uri, bool report, bool allowIfInheritsPrincipal) override;
NS_IMETHOD GetJarPrefix(nsACString& aJarPrefix) override;
NS_IMETHOD GetAppStatus(uint16_t* aAppStatus) override;
NS_IMETHOD GetAppId(uint32_t* aAppStatus) override;
NS_IMETHOD GetIsInBrowserElement(bool* aIsInBrowserElement) override;
NS_IMETHOD GetUnknownAppId(bool* aUnknownAppId) override;
NS_IMETHOD GetIsNullPrincipal(bool* aIsNullPrincipal) override;
NS_IMETHOD GetBaseDomain(nsACString& aBaseDomain) override;
// 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;
protected:
virtual ~nsNullPrincipal() {}
nsCOMPtr<nsIURI> mURI;
nsCOMPtr<nsIContentSecurityPolicy> mCSP;
uint32_t mAppId;
bool mInMozBrowser;
};
#endif // nsNullPrincipal_h__