Mirror of roytam1's UXP fork just in case Moonchild and Tobin decide to go after him
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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/. */
/* The privileged system principal. */
#include "nscore.h"
#include "nsSystemPrincipal.h"
#include "nsIComponentManager.h"
#include "nsIServiceManager.h"
#include "nsIURL.h"
#include "nsCOMPtr.h"
#include "nsXPIDLString.h"
#include "nsReadableUtils.h"
#include "nsCRT.h"
#include "nsString.h"
#include "nsIClassInfoImpl.h"
#include "nsIScriptSecurityManager.h"
#include "pratom.h"
NS_IMPL_CLASSINFO(nsSystemPrincipal, nullptr,
nsIClassInfo::SINGLETON | nsIClassInfo::MAIN_THREAD_ONLY,
NS_SYSTEMPRINCIPAL_CID)
NS_IMPL_QUERY_INTERFACE_CI(nsSystemPrincipal,
nsIPrincipal,
nsISerializable)
NS_IMPL_CI_INTERFACE_GETTER(nsSystemPrincipal,
nsIPrincipal,
nsISerializable)
#define SYSTEM_PRINCIPAL_SPEC "[System Principal]"
nsresult
nsSystemPrincipal::GetScriptLocation(nsACString &aStr)
{
aStr.AssignLiteral(SYSTEM_PRINCIPAL_SPEC);
return NS_OK;
}
///////////////////////////////////////
// Methods implementing nsIPrincipal //
///////////////////////////////////////
NS_IMETHODIMP
nsSystemPrincipal::GetHashValue(uint32_t *result)
{
*result = NS_PTR_TO_INT32(this);
return NS_OK;
}
NS_IMETHODIMP
nsSystemPrincipal::GetURI(nsIURI** aURI)
{
*aURI = nullptr;
return NS_OK;
}
nsresult
nsSystemPrincipal::GetOriginInternal(nsACString& aOrigin)
{
aOrigin.AssignLiteral(SYSTEM_PRINCIPAL_SPEC);
return NS_OK;
}
NS_IMETHODIMP
nsSystemPrincipal::GetCsp(nsIContentSecurityPolicy** aCsp)
{
*aCsp = nullptr;
return NS_OK;
}
NS_IMETHODIMP
nsSystemPrincipal::SetCsp(nsIContentSecurityPolicy* aCsp)
{
// Never destroy an existing CSP on the principal.
// This method should only be called in rare cases.
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsSystemPrincipal::EnsureCSP(nsIDOMDocument* aDocument,
nsIContentSecurityPolicy** aCSP)
{
// CSP on a system principal makes no sense
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsSystemPrincipal::GetPreloadCsp(nsIContentSecurityPolicy** aPreloadCSP)
{
*aPreloadCSP = nullptr;
return NS_OK;
}
NS_IMETHODIMP
nsSystemPrincipal::EnsurePreloadCSP(nsIDOMDocument* aDocument,
nsIContentSecurityPolicy** aPreloadCSP)
{
// CSP on a system principal makes no sense
return NS_OK;
}
NS_IMETHODIMP
nsSystemPrincipal::GetDomain(nsIURI** aDomain)
{
*aDomain = nullptr;
return NS_OK;
}
NS_IMETHODIMP
nsSystemPrincipal::SetDomain(nsIURI* aDomain)
{
return NS_OK;
}
NS_IMETHODIMP
nsSystemPrincipal::GetBaseDomain(nsACString& aBaseDomain)
{
// No base domain for chrome.
return NS_OK;
}
//////////////////////////////////////////
// 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;
}