зеркало из https://github.com/mozilla/gecko-dev.git
150 строки
3.5 KiB
C++
150 строки
3.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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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/* The privileged system principal. */
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#include "nscore.h"
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#include "SystemPrincipal.h"
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#include "nsIComponentManager.h"
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#include "nsIServiceManager.h"
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#include "nsIURL.h"
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#include "nsCOMPtr.h"
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#include "nsReadableUtils.h"
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#include "nsCRT.h"
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#include "nsString.h"
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#include "nsIClassInfoImpl.h"
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#include "nsIScriptSecurityManager.h"
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#include "pratom.h"
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NS_IMPL_CLASSINFO(SystemPrincipal, nullptr,
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nsIClassInfo::SINGLETON | nsIClassInfo::MAIN_THREAD_ONLY,
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NS_SYSTEMPRINCIPAL_CID)
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NS_IMPL_QUERY_INTERFACE_CI(SystemPrincipal,
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nsIPrincipal,
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nsISerializable)
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NS_IMPL_CI_INTERFACE_GETTER(SystemPrincipal,
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nsIPrincipal,
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nsISerializable)
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#define SYSTEM_PRINCIPAL_SPEC "[System Principal]"
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already_AddRefed<SystemPrincipal>
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SystemPrincipal::Create()
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{
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RefPtr<SystemPrincipal> sp = new SystemPrincipal();
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sp->FinishInit(NS_LITERAL_CSTRING(SYSTEM_PRINCIPAL_SPEC),
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OriginAttributes());
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return sp.forget();
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}
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nsresult
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SystemPrincipal::GetScriptLocation(nsACString &aStr)
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{
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aStr.AssignLiteral(SYSTEM_PRINCIPAL_SPEC);
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return NS_OK;
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}
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///////////////////////////////////////
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// Methods implementing nsIPrincipal //
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///////////////////////////////////////
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NS_IMETHODIMP
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SystemPrincipal::GetHashValue(uint32_t *result)
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{
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*result = NS_PTR_TO_INT32(this);
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return NS_OK;
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}
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NS_IMETHODIMP
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SystemPrincipal::GetURI(nsIURI** aURI)
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{
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*aURI = nullptr;
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return NS_OK;
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}
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NS_IMETHODIMP
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SystemPrincipal::GetCsp(nsIContentSecurityPolicy** aCsp)
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{
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*aCsp = nullptr;
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return NS_OK;
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}
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NS_IMETHODIMP
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SystemPrincipal::SetCsp(nsIContentSecurityPolicy* aCsp)
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{
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// Never destroy an existing CSP on the principal.
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// This method should only be called in rare cases.
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return NS_ERROR_FAILURE;
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}
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NS_IMETHODIMP
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SystemPrincipal::EnsureCSP(nsIDOMDocument* aDocument,
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nsIContentSecurityPolicy** aCSP)
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{
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// CSP on a system principal makes no sense
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return NS_ERROR_FAILURE;
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}
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NS_IMETHODIMP
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SystemPrincipal::GetPreloadCsp(nsIContentSecurityPolicy** aPreloadCSP)
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{
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*aPreloadCSP = nullptr;
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return NS_OK;
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}
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NS_IMETHODIMP
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SystemPrincipal::EnsurePreloadCSP(nsIDOMDocument* aDocument,
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nsIContentSecurityPolicy** aPreloadCSP)
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{
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// CSP on a system principal makes no sense
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return NS_OK;
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}
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NS_IMETHODIMP
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SystemPrincipal::GetDomain(nsIURI** aDomain)
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{
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*aDomain = nullptr;
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return NS_OK;
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}
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NS_IMETHODIMP
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SystemPrincipal::SetDomain(nsIURI* aDomain)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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SystemPrincipal::GetBaseDomain(nsACString& aBaseDomain)
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{
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// No base domain for chrome.
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return NS_OK;
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}
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NS_IMETHODIMP
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SystemPrincipal::GetAddonId(nsAString& aAddonId)
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{
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aAddonId.Truncate();
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return NS_OK;
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};
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//////////////////////////////////////////
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// Methods implementing nsISerializable //
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//////////////////////////////////////////
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NS_IMETHODIMP
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SystemPrincipal::Read(nsIObjectInputStream* aStream)
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{
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// no-op: CID is sufficient to identify the mSystemPrincipal singleton
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return NS_OK;
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}
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NS_IMETHODIMP
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SystemPrincipal::Write(nsIObjectOutputStream* aStream)
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{
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// no-op: CID is sufficient to identify the mSystemPrincipal singleton
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return NS_OK;
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}
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