forked from mirrors/gecko-dev
150 lines
3.7 KiB
C++
150 lines
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "FileSystemPermissionRequest.h"
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#include "mozilla/dom/FileSystemBase.h"
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#include "mozilla/dom/FileSystemTaskBase.h"
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#include "mozilla/dom/FileSystemUtils.h"
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#include "nsIDocument.h"
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#include "nsPIDOMWindow.h"
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#include "nsContentPermissionHelper.h"
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namespace mozilla {
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namespace dom {
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NS_IMPL_ISUPPORTS(FileSystemPermissionRequest, nsIRunnable,
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nsIContentPermissionRequest)
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// static
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void
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FileSystemPermissionRequest::RequestForTask(FileSystemTaskBase* aTask)
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{
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MOZ_ASSERT(aTask, "aTask should not be null!");
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MOZ_ASSERT(NS_IsMainThread());
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RefPtr<FileSystemPermissionRequest> request =
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new FileSystemPermissionRequest(aTask);
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NS_DispatchToCurrentThread(request);
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}
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FileSystemPermissionRequest::FileSystemPermissionRequest(FileSystemTaskBase* aTask)
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: mTask(aTask)
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{
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MOZ_ASSERT(mTask, "aTask should not be null!");
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MOZ_ASSERT(NS_IsMainThread());
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mTask->GetPermissionAccessType(mPermissionAccess);
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RefPtr<FileSystemBase> filesystem = mTask->GetFileSystem();
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if (!filesystem) {
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return;
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}
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mPermissionType = filesystem->GetPermission();
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mWindow = do_QueryInterface(filesystem->GetParentObject());
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if (NS_WARN_IF(!mWindow)) {
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return;
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}
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nsCOMPtr<nsIDocument> doc = mWindow->GetDoc();
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if (!doc) {
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return;
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}
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mPrincipal = doc->NodePrincipal();
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mRequester = new nsContentPermissionRequester(mWindow);
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}
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FileSystemPermissionRequest::~FileSystemPermissionRequest()
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{
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}
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NS_IMETHODIMP
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FileSystemPermissionRequest::GetTypes(nsIArray** aTypes)
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{
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nsTArray<nsString> emptyOptions;
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return nsContentPermissionUtils::CreatePermissionArray(mPermissionType,
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mPermissionAccess,
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emptyOptions,
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aTypes);
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}
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NS_IMETHODIMP
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FileSystemPermissionRequest::GetPrincipal(nsIPrincipal** aRequestingPrincipal)
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{
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NS_IF_ADDREF(*aRequestingPrincipal = mPrincipal);
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return NS_OK;
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}
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NS_IMETHODIMP
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FileSystemPermissionRequest::GetWindow(mozIDOMWindow** aRequestingWindow)
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{
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NS_IF_ADDREF(*aRequestingWindow = mWindow);
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return NS_OK;
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}
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NS_IMETHODIMP
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FileSystemPermissionRequest::GetElement(nsIDOMElement** aRequestingElement)
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{
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*aRequestingElement = nullptr;
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return NS_OK;
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}
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NS_IMETHODIMP
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FileSystemPermissionRequest::Cancel()
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{
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MOZ_ASSERT(NS_IsMainThread());
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mTask->SetError(NS_ERROR_DOM_SECURITY_ERR);
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mTask->Start();
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return NS_OK;
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}
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NS_IMETHODIMP
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FileSystemPermissionRequest::Allow(JS::HandleValue aChoices)
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{
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MOZ_ASSERT(NS_IsMainThread());
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MOZ_ASSERT(aChoices.isUndefined());
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mTask->Start();
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return NS_OK;
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}
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NS_IMETHODIMP
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FileSystemPermissionRequest::Run()
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{
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MOZ_ASSERT(NS_IsMainThread());
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RefPtr<FileSystemBase> filesystem = mTask->GetFileSystem();
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if (!filesystem) {
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Cancel();
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return NS_OK;
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}
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if (!filesystem->RequiresPermissionChecks()) {
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Allow(JS::UndefinedHandleValue);
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return NS_OK;
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}
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if (!mWindow) {
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Cancel();
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return NS_OK;
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}
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nsContentPermissionUtils::AskPermission(this, mWindow);
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return NS_OK;
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}
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NS_IMETHODIMP
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FileSystemPermissionRequest::GetRequester(nsIContentPermissionRequester** aRequester)
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{
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NS_ENSURE_ARG_POINTER(aRequester);
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nsCOMPtr<nsIContentPermissionRequester> requester = mRequester;
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requester.forget(aRequester);
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return NS_OK;
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}
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} /* namespace dom */
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} /* namespace mozilla */
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