gecko/netwerk/base/nsNetUtil.cpp

84 lines
2.6 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim:set ts=4 sw=4 sts=4 et cin: */
/* 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/. */
#include "mozilla/LoadContext.h"
#include "nsNetUtil.h"
#include "nsHttp.h"
bool NS_IsReasonableHTTPHeaderValue(const nsACString& aValue)
{
return mozilla::net::nsHttp::IsReasonableHeaderValue(aValue);
}
bool NS_IsValidHTTPToken(const nsACString& aToken)
{
return mozilla::net::nsHttp::IsValidToken(aToken);
}
nsresult
NS_NewLoadGroup(nsILoadGroup** aResult, nsIPrincipal* aPrincipal)
{
using mozilla::LoadContext;
nsresult rv;
nsCOMPtr<nsILoadGroup> group =
do_CreateInstance(NS_LOADGROUP_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
nsRefPtr<LoadContext> loadContext = new LoadContext(aPrincipal);
rv = group->SetNotificationCallbacks(loadContext);
NS_ENSURE_SUCCESS(rv, rv);
group.forget(aResult);
return rv;
}
bool
NS_LoadGroupMatchesPrincipal(nsILoadGroup* aLoadGroup,
nsIPrincipal* aPrincipal)
{
if (!aPrincipal) {
return false;
}
// If this is a null principal then the load group doesn't really matter.
// The principal will not be allowed to perform any actions that actually
// use the load group. Unconditionally treat null principals as a match.
bool isNullPrincipal;
nsresult rv = aPrincipal->GetIsNullPrincipal(&isNullPrincipal);
NS_ENSURE_SUCCESS(rv, false);
if (isNullPrincipal) {
return true;
}
if (!aLoadGroup) {
return false;
}
nsCOMPtr<nsILoadContext> loadContext;
NS_QueryNotificationCallbacks(nullptr, aLoadGroup, NS_GET_IID(nsILoadContext),
getter_AddRefs(loadContext));
NS_ENSURE_TRUE(loadContext, false);
// Verify load context appId and browser flag match the principal
uint32_t contextAppId;
bool contextInBrowserElement;
rv = loadContext->GetAppId(&contextAppId);
NS_ENSURE_SUCCESS(rv, false);
rv = loadContext->GetIsInBrowserElement(&contextInBrowserElement);
NS_ENSURE_SUCCESS(rv, false);
uint32_t principalAppId;
bool principalInBrowserElement;
rv = aPrincipal->GetAppId(&principalAppId);
NS_ENSURE_SUCCESS(rv, false);
rv = aPrincipal->GetIsInBrowserElement(&principalInBrowserElement);
NS_ENSURE_SUCCESS(rv, false);
return contextAppId == principalAppId &&
contextInBrowserElement == principalInBrowserElement;
}