1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/filesystem/FileSystemPermissionRequest.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,190 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* vim:set ts=2 sw=2 sts=2 et cindent: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +#include "FileSystemPermissionRequest.h"
1.10 +
1.11 +#include "mozilla/dom/FileSystemBase.h"
1.12 +#include "mozilla/dom/FileSystemTaskBase.h"
1.13 +#include "mozilla/dom/FileSystemUtils.h"
1.14 +#include "mozilla/dom/TabChild.h"
1.15 +#include "nsIDocument.h"
1.16 +#include "nsPIDOMWindow.h"
1.17 +#include "nsString.h"
1.18 +
1.19 +namespace mozilla {
1.20 +namespace dom {
1.21 +
1.22 +NS_IMPL_ISUPPORTS(FileSystemPermissionRequest, nsIRunnable, nsIContentPermissionRequest)
1.23 +
1.24 +// static
1.25 +void
1.26 +FileSystemPermissionRequest::RequestForTask(FileSystemTaskBase* aTask)
1.27 +{
1.28 + MOZ_ASSERT(aTask, "aTask should not be null!");
1.29 + MOZ_ASSERT(NS_IsMainThread());
1.30 + nsRefPtr<FileSystemPermissionRequest> request =
1.31 + new FileSystemPermissionRequest(aTask);
1.32 + NS_DispatchToCurrentThread(request);
1.33 +}
1.34 +
1.35 +FileSystemPermissionRequest::FileSystemPermissionRequest(
1.36 + FileSystemTaskBase* aTask)
1.37 + : mTask(aTask)
1.38 +{
1.39 + MOZ_ASSERT(mTask, "aTask should not be null!");
1.40 + MOZ_ASSERT(NS_IsMainThread());
1.41 +
1.42 + mTask->GetPermissionAccessType(mPermissionAccess);
1.43 +
1.44 + nsRefPtr<FileSystemBase> filesystem = mTask->GetFileSystem();
1.45 + if (!filesystem) {
1.46 + return;
1.47 + }
1.48 +
1.49 + mPermissionType = filesystem->GetPermission();
1.50 +
1.51 + mWindow = filesystem->GetWindow();
1.52 + if (!mWindow) {
1.53 + return;
1.54 + }
1.55 +
1.56 + nsCOMPtr<nsIDocument> doc = mWindow->GetDoc();
1.57 + if (!doc) {
1.58 + return;
1.59 + }
1.60 +
1.61 + mPrincipal = doc->NodePrincipal();
1.62 +}
1.63 +
1.64 +FileSystemPermissionRequest::~FileSystemPermissionRequest()
1.65 +{
1.66 +}
1.67 +
1.68 +bool
1.69 +FileSystemPermissionRequest::Recv__delete__(const bool& aAllow,
1.70 + const InfallibleTArray<PermissionChoice>& aChoices)
1.71 +{
1.72 + MOZ_ASSERT(aChoices.IsEmpty(),
1.73 + "FileSystemPermissionRequest doesn't support permission choice");
1.74 + if (aAllow) {
1.75 + Allow(JS::UndefinedHandleValue);
1.76 + } else {
1.77 + Cancel();
1.78 + }
1.79 + return true;
1.80 +}
1.81 +
1.82 +void
1.83 +FileSystemPermissionRequest::IPDLRelease()
1.84 +{
1.85 + Release();
1.86 +}
1.87 +
1.88 +NS_IMETHODIMP
1.89 +FileSystemPermissionRequest::GetTypes(nsIArray** aTypes)
1.90 +{
1.91 + nsTArray<nsString> emptyOptions;
1.92 + return CreatePermissionArray(mPermissionType,
1.93 + mPermissionAccess,
1.94 + emptyOptions,
1.95 + aTypes);
1.96 +}
1.97 +
1.98 +NS_IMETHODIMP
1.99 +FileSystemPermissionRequest::GetPrincipal(nsIPrincipal** aRequestingPrincipal)
1.100 +{
1.101 + NS_IF_ADDREF(*aRequestingPrincipal = mPrincipal);
1.102 + return NS_OK;
1.103 +}
1.104 +
1.105 +NS_IMETHODIMP
1.106 +FileSystemPermissionRequest::GetWindow(nsIDOMWindow** aRequestingWindow)
1.107 +{
1.108 + NS_IF_ADDREF(*aRequestingWindow = mWindow);
1.109 + return NS_OK;
1.110 +}
1.111 +
1.112 +NS_IMETHODIMP
1.113 +FileSystemPermissionRequest::GetElement(nsIDOMElement** aRequestingElement)
1.114 +{
1.115 + *aRequestingElement = nullptr;
1.116 + return NS_OK;
1.117 +}
1.118 +
1.119 +NS_IMETHODIMP
1.120 +FileSystemPermissionRequest::Cancel()
1.121 +{
1.122 + MOZ_ASSERT(NS_IsMainThread());
1.123 + mTask->SetError(NS_ERROR_DOM_SECURITY_ERR);
1.124 + mTask->Start();
1.125 + return NS_OK;
1.126 +}
1.127 +
1.128 +NS_IMETHODIMP
1.129 +FileSystemPermissionRequest::Allow(JS::HandleValue aChoices)
1.130 +{
1.131 + MOZ_ASSERT(NS_IsMainThread());
1.132 + MOZ_ASSERT(aChoices.isUndefined());
1.133 + mTask->Start();
1.134 + return NS_OK;
1.135 +}
1.136 +
1.137 +NS_IMETHODIMP
1.138 +FileSystemPermissionRequest::Run()
1.139 +{
1.140 + MOZ_ASSERT(NS_IsMainThread());
1.141 +
1.142 + nsRefPtr<FileSystemBase> filesystem = mTask->GetFileSystem();
1.143 + if (!filesystem) {
1.144 + Cancel();
1.145 + return NS_OK;
1.146 + }
1.147 +
1.148 + if (filesystem->IsTesting()) {
1.149 + Allow(JS::UndefinedHandleValue);
1.150 + return NS_OK;
1.151 + }
1.152 +
1.153 + if (FileSystemUtils::IsParentProcess()) {
1.154 + nsCOMPtr<nsIContentPermissionPrompt> prompt
1.155 + = do_CreateInstance(NS_CONTENT_PERMISSION_PROMPT_CONTRACTID);
1.156 + if (!prompt || NS_FAILED(prompt->Prompt(this))) {
1.157 + Cancel();
1.158 + }
1.159 + return NS_OK;
1.160 + }
1.161 +
1.162 + if (!mWindow) {
1.163 + Cancel();
1.164 + return NS_OK;
1.165 + }
1.166 +
1.167 + // because owner implements nsITabChild, we can assume that it is
1.168 + // the one and only TabChild.
1.169 + TabChild* child = TabChild::GetFrom(mWindow->GetDocShell());
1.170 + if (!child) {
1.171 + Cancel();
1.172 + return NS_OK;
1.173 + }
1.174 +
1.175 + // Retain a reference so the object isn't deleted without IPDL's
1.176 + // knowledge. Corresponding release occurs in
1.177 + // DeallocPContentPermissionRequest.
1.178 + AddRef();
1.179 +
1.180 + nsTArray<PermissionRequest> permArray;
1.181 + nsTArray<nsString> emptyOptions;
1.182 + permArray.AppendElement(PermissionRequest(mPermissionType,
1.183 + mPermissionAccess,
1.184 + emptyOptions));
1.185 + child->SendPContentPermissionRequestConstructor(
1.186 + this, permArray, IPC::Principal(mPrincipal));
1.187 +
1.188 + Sendprompt();
1.189 + return NS_OK;
1.190 +}
1.191 +
1.192 +} /* namespace dom */
1.193 +} /* namespace mozilla */
