Mozilla/mozilla/caps/src/nsSystemPrincipal.cpp
brendan%mozilla.org f5bc62edea FASTLOAD_20010703_BRANCH landing, r=dbaron, sr=shaver.
git-svn-id: svn://10.0.0.236/trunk@100030 18797224-902f-48f8-a5cc-f745e15eee43
2001-07-31 19:05:34 +00:00

169 lines
4.2 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1999-2000 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
* Norris Boyd
*/
/* The privileged system principal. */
#include "nsSystemPrincipal.h"
#include "nsIComponentManager.h"
#include "nsIServiceManager.h"
#include "nsIURL.h"
#include "nsCOMPtr.h"
#include "nsXPIDLString.h"
NS_IMPL_QUERY_INTERFACE2_CI(nsSystemPrincipal, nsIPrincipal, nsISerializable)
NSBASEPRINCIPALS_ADDREF(nsSystemPrincipal);
NSBASEPRINCIPALS_RELEASE(nsSystemPrincipal);
///////////////////////////////////////
// Methods implementing nsIPrincipal //
///////////////////////////////////////
NS_IMETHODIMP
nsSystemPrincipal::ToString(char **result)
{
nsAutoString buf;
buf.AssignWithConversion("[System]");
*result = buf.ToNewCString();
return *result ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
}
NS_IMETHODIMP
nsSystemPrincipal::ToUserVisibleString(char **result)
{
return ToString(result);
}
NS_IMETHODIMP
nsSystemPrincipal::GetPreferences(char** aPrefName, char** aID,
char** aGrantedList, char** aDeniedList)
{
// The system principal should never be streamed out
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsSystemPrincipal::Equals(nsIPrincipal *other, PRBool *result)
{
*result = (other == this);
return NS_OK;
}
NS_IMETHODIMP
nsSystemPrincipal::HashValue(PRUint32 *result)
{
*result = (PRUint32) this;
return NS_OK;
}
NS_IMETHODIMP
nsSystemPrincipal::CanEnableCapability(const char *capability,
PRInt16 *result)
{
// System principal can enable all capabilities.
*result = nsIPrincipal::ENABLE_GRANTED;
return NS_OK;
}
NS_IMETHODIMP
nsSystemPrincipal::SetCanEnableCapability(const char *capability,
PRInt16 canEnable)
{
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsSystemPrincipal::IsCapabilityEnabled(const char *capability,
void *annotation,
PRBool *result)
{
*result = PR_TRUE;
return NS_OK;
}
NS_IMETHODIMP
nsSystemPrincipal::EnableCapability(const char *capability, void **annotation)
{
return NS_OK;
}
NS_IMETHODIMP
nsSystemPrincipal::RevertCapability(const char *capability, void **annotation)
{
return NS_OK;
}
NS_IMETHODIMP
nsSystemPrincipal::DisableCapability(const char *capability, void **annotation)
{
// Can't disable the capabilities of the system principal.
// XXX might be handy to be able to do so!
return NS_ERROR_FAILURE;
}
//////////////////////////////////////////
// Methods implementing nsISerializable //
//////////////////////////////////////////
NS_IMETHODIMP
nsSystemPrincipal::Read(nsIObjectInputStream* aStream)
{
// no-op: CID is sufficient to identify the mSystemPrincipal singleton
return NS_OK;
}
NS_IMETHODIMP
nsSystemPrincipal::Write(nsIObjectOutputStream* aStream)
{
// no-op: CID is sufficient to identify the mSystemPrincipal singleton
return NS_OK;
}
/////////////////////////////////////////////
// Constructor, Destructor, initialization //
/////////////////////////////////////////////
nsSystemPrincipal::nsSystemPrincipal()
{
NS_INIT_ISUPPORTS();
}
NS_IMETHODIMP
nsSystemPrincipal::Init()
{
char *codebase = nsCRT::strdup("[System Principal]");
if (!codebase)
return NS_ERROR_OUT_OF_MEMORY;
if (NS_FAILED(mJSPrincipals.Init(codebase)))
return NS_ERROR_FAILURE;
return NS_OK;
}
nsSystemPrincipal::~nsSystemPrincipal(void)
{
}