gecko/dom/ipc/AppProcessPermissions.cpp

55 lines
1.5 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: sw=2 ts=8 et :
*/
/* 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 "AppProcessPermissions.h"
#include "ContentParent.h"
#include "mozIApplication.h"
#include "nsIDOMApplicationRegistry.h"
#include "TabParent.h"
using namespace mozilla::dom;
using namespace mozilla::services;
namespace mozilla {
bool
AppProcessHasPermission(PBrowserParent* aActor, const char* aPermission)
{
if (!aActor) {
NS_WARNING("Testing permissions for null actor");
return false;
}
TabParent* tab = static_cast<TabParent*>(aActor);
nsCOMPtr<mozIApplication> app = tab->GetApp();
// isBrowser frames inherit their app descriptor to identify their
// data storage, but they don't inherit the permissions associated
// with that descriptor.
if (!app || tab->IsBrowserElement()) {
return false;
}
bool hasPermission = false;
return (NS_SUCCEEDED(app->HasPermission(aPermission, &hasPermission)) &&
hasPermission);
}
bool
AppProcessHasPermission(PContentParent* aActor, const char* aPermission)
{
const InfallibleTArray<PBrowserParent*>& browsers =
aActor->ManagedPBrowserParent();
for (uint32_t i = 0; i < browsers.Length(); ++i) {
if (AppProcessHasPermission(browsers[i], aPermission)) {
return true;
}
}
return false;
}
} // namespace mozilla