169 lines
4.2 KiB
C++
169 lines
4.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1999-2000 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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* Norris Boyd
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*/
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/* The privileged system principal. */
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#include "nsSystemPrincipal.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 "nsXPIDLString.h"
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NS_IMPL_QUERY_INTERFACE2_CI(nsSystemPrincipal, nsIPrincipal, nsISerializable)
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NSBASEPRINCIPALS_ADDREF(nsSystemPrincipal);
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NSBASEPRINCIPALS_RELEASE(nsSystemPrincipal);
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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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nsSystemPrincipal::ToString(char **result)
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{
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nsAutoString buf;
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buf.AssignWithConversion("[System]");
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*result = buf.ToNewCString();
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return *result ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
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}
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NS_IMETHODIMP
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nsSystemPrincipal::ToUserVisibleString(char **result)
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{
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return ToString(result);
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}
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NS_IMETHODIMP
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nsSystemPrincipal::GetPreferences(char** aPrefName, char** aID,
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char** aGrantedList, char** aDeniedList)
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{
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// The system principal should never be streamed out
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return NS_ERROR_FAILURE;
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}
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NS_IMETHODIMP
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nsSystemPrincipal::Equals(nsIPrincipal *other, PRBool *result)
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{
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*result = (other == this);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsSystemPrincipal::HashValue(PRUint32 *result)
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{
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*result = (PRUint32) this;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsSystemPrincipal::CanEnableCapability(const char *capability,
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PRInt16 *result)
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{
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// System principal can enable all capabilities.
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*result = nsIPrincipal::ENABLE_GRANTED;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsSystemPrincipal::SetCanEnableCapability(const char *capability,
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PRInt16 canEnable)
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{
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return NS_ERROR_FAILURE;
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}
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NS_IMETHODIMP
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nsSystemPrincipal::IsCapabilityEnabled(const char *capability,
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void *annotation,
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PRBool *result)
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{
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*result = PR_TRUE;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsSystemPrincipal::EnableCapability(const char *capability, void **annotation)
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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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nsSystemPrincipal::RevertCapability(const char *capability, void **annotation)
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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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nsSystemPrincipal::DisableCapability(const char *capability, void **annotation)
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{
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// Can't disable the capabilities of the system principal.
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// XXX might be handy to be able to do so!
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return NS_ERROR_FAILURE;
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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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nsSystemPrincipal::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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nsSystemPrincipal::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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/////////////////////////////////////////////
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// Constructor, Destructor, initialization //
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/////////////////////////////////////////////
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nsSystemPrincipal::nsSystemPrincipal()
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{
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NS_INIT_ISUPPORTS();
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}
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NS_IMETHODIMP
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nsSystemPrincipal::Init()
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{
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char *codebase = nsCRT::strdup("[System Principal]");
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if (!codebase)
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return NS_ERROR_OUT_OF_MEMORY;
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if (NS_FAILED(mJSPrincipals.Init(codebase)))
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return NS_ERROR_FAILURE;
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return NS_OK;
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}
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nsSystemPrincipal::~nsSystemPrincipal(void)
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{
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}
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