mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-26 06:11:37 +00:00
413 lines
10 KiB
C++
413 lines
10 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "TCPSocketParent.h"
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#include "jsapi.h"
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#include "jsfriendapi.h"
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#include "nsJSUtils.h"
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#include "nsIDOMTCPSocket.h"
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#include "mozilla/unused.h"
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#include "mozilla/AppProcessChecker.h"
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#include "mozilla/net/NeckoCommon.h"
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#include "mozilla/net/PNeckoParent.h"
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#include "mozilla/dom/ContentParent.h"
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#include "mozilla/dom/ScriptSettings.h"
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#include "mozilla/dom/TabParent.h"
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#include "mozilla/HoldDropJSObjects.h"
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#include "nsIScriptSecurityManager.h"
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namespace IPC {
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//Defined in TCPSocketChild.cpp
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extern bool
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DeserializeArrayBuffer(JS::Handle<JSObject*> aObj,
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const InfallibleTArray<uint8_t>& aBuffer,
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JS::MutableHandle<JS::Value> aVal);
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}
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namespace mozilla {
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namespace dom {
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static void
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FireInteralError(mozilla::net::PTCPSocketParent* aActor, uint32_t aLineNo)
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{
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mozilla::unused <<
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aActor->SendCallback(NS_LITERAL_STRING("onerror"),
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TCPError(NS_LITERAL_STRING("InvalidStateError")),
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NS_LITERAL_STRING("connecting"));
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}
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NS_IMPL_CYCLE_COLLECTION_CLASS(TCPSocketParentBase)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(TCPSocketParentBase)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_SCRIPT_OBJECTS
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mSocket)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mIntermediary)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(TCPSocketParentBase)
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tmp->mIntermediaryObj = nullptr;
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mSocket)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mIntermediary)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(TCPSocketParentBase)
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NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mIntermediaryObj)
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NS_IMPL_CYCLE_COLLECTION_TRACE_END
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(TCPSocketParentBase)
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NS_INTERFACE_MAP_ENTRY(nsITCPSocketParent)
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_END
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NS_IMPL_CYCLE_COLLECTING_ADDREF(TCPSocketParentBase)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(TCPSocketParentBase)
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TCPSocketParentBase::TCPSocketParentBase()
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: mIPCOpen(false)
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{
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mObserver = new mozilla::net::OfflineObserver(this);
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mozilla::HoldJSObjects(this);
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}
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TCPSocketParentBase::~TCPSocketParentBase()
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{
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if (mObserver) {
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mObserver->RemoveObserver();
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}
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mozilla::DropJSObjects(this);
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}
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uint32_t
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TCPSocketParent::GetAppId()
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{
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uint32_t appId = nsIScriptSecurityManager::UNKNOWN_APP_ID;
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const PContentParent *content = Manager()->Manager();
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const InfallibleTArray<PBrowserParent*>& browsers = content->ManagedPBrowserParent();
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if (browsers.Length() > 0) {
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TabParent *tab = TabParent::GetFrom(browsers[0]);
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appId = tab->OwnAppId();
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}
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return appId;
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};
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bool
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TCPSocketParent::GetInBrowser()
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{
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bool inBrowser = false;
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const PContentParent *content = Manager()->Manager();
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const InfallibleTArray<PBrowserParent*>& browsers = content->ManagedPBrowserParent();
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if (browsers.Length() > 0) {
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TabParent *tab = TabParent::GetFrom(browsers[0]);
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inBrowser = tab->IsBrowserElement();
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}
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return inBrowser;
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}
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nsresult
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TCPSocketParent::OfflineNotification(nsISupports *aSubject)
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{
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nsCOMPtr<nsIAppOfflineInfo> info(do_QueryInterface(aSubject));
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if (!info) {
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return NS_OK;
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}
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uint32_t targetAppId = nsIScriptSecurityManager::UNKNOWN_APP_ID;
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info->GetAppId(&targetAppId);
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// Obtain App ID
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uint32_t appId = GetAppId();
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if (appId != targetAppId) {
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return NS_OK;
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}
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// If the app is offline, close the socket
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if (mSocket && NS_IsAppOffline(appId)) {
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mSocket->Close();
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mSocket = nullptr;
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mIntermediaryObj = nullptr;
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mIntermediary = nullptr;
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}
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return NS_OK;
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}
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void
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TCPSocketParentBase::ReleaseIPDLReference()
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{
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MOZ_ASSERT(mIPCOpen);
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mIPCOpen = false;
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this->Release();
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}
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void
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TCPSocketParentBase::AddIPDLReference()
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{
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MOZ_ASSERT(!mIPCOpen);
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mIPCOpen = true;
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this->AddRef();
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}
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NS_IMETHODIMP_(MozExternalRefCountType) TCPSocketParent::Release(void)
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{
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nsrefcnt refcnt = TCPSocketParentBase::Release();
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if (refcnt == 1 && mIPCOpen) {
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mozilla::unused << PTCPSocketParent::SendRequestDelete();
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return 1;
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}
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return refcnt;
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}
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bool
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TCPSocketParent::RecvOpen(const nsString& aHost, const uint16_t& aPort, const bool& aUseSSL,
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const nsString& aBinaryType)
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{
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// We don't have browser actors in xpcshell, and hence can't run automated
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// tests without this loophole.
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if (net::UsingNeckoIPCSecurity() &&
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!AssertAppProcessPermission(Manager()->Manager(), "tcp-socket")) {
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FireInteralError(this, __LINE__);
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return true;
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}
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// Obtain App ID
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uint32_t appId = GetAppId();
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bool inBrowser = GetInBrowser();
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if (NS_IsAppOffline(appId)) {
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NS_ERROR("Can't open socket because app is offline");
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FireInteralError(this, __LINE__);
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return true;
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}
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nsresult rv;
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mIntermediary = do_CreateInstance("@mozilla.org/tcp-socket-intermediary;1", &rv);
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if (NS_FAILED(rv)) {
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FireInteralError(this, __LINE__);
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return true;
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}
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rv = mIntermediary->Open(this, aHost, aPort, aUseSSL, aBinaryType, appId,
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inBrowser, getter_AddRefs(mSocket));
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if (NS_FAILED(rv) || !mSocket) {
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FireInteralError(this, __LINE__);
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return true;
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}
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return true;
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}
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NS_IMETHODIMP
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TCPSocketParent::InitJS(JS::Handle<JS::Value> aIntermediary, JSContext* aCx)
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{
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MOZ_ASSERT(aIntermediary.isObject());
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mIntermediaryObj = &aIntermediary.toObject();
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return NS_OK;
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}
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bool
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TCPSocketParent::RecvStartTLS()
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{
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NS_ENSURE_TRUE(mSocket, true);
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nsresult rv = mSocket->UpgradeToSecure();
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NS_ENSURE_SUCCESS(rv, true);
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return true;
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}
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bool
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TCPSocketParent::RecvSuspend()
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{
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NS_ENSURE_TRUE(mSocket, true);
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nsresult rv = mSocket->Suspend();
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NS_ENSURE_SUCCESS(rv, true);
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return true;
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}
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bool
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TCPSocketParent::RecvResume()
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{
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NS_ENSURE_TRUE(mSocket, true);
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nsresult rv = mSocket->Resume();
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NS_ENSURE_SUCCESS(rv, true);
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return true;
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}
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bool
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TCPSocketParent::RecvData(const SendableData& aData,
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const uint32_t& aTrackingNumber)
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{
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NS_ENSURE_TRUE(mIntermediary, true);
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nsresult rv;
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switch (aData.type()) {
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case SendableData::TArrayOfuint8_t: {
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AutoSafeJSContext cx;
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JSAutoRequest ar(cx);
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JS::Rooted<JS::Value> val(cx);
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JS::Rooted<JSObject*> obj(cx, mIntermediaryObj);
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IPC::DeserializeArrayBuffer(obj, aData.get_ArrayOfuint8_t(), &val);
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rv = mIntermediary->OnRecvSendArrayBuffer(val, aTrackingNumber);
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NS_ENSURE_SUCCESS(rv, true);
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break;
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}
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case SendableData::TnsString:
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rv = mIntermediary->OnRecvSendString(aData.get_nsString(), aTrackingNumber);
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NS_ENSURE_SUCCESS(rv, true);
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break;
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default:
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MOZ_CRASH("unexpected SendableData type");
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}
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return true;
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}
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bool
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TCPSocketParent::RecvClose()
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{
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NS_ENSURE_TRUE(mSocket, true);
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nsresult rv = mSocket->Close();
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NS_ENSURE_SUCCESS(rv, true);
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return true;
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}
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NS_IMETHODIMP
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TCPSocketParent::SendEvent(const nsAString& aType, JS::Handle<JS::Value> aDataVal,
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const nsAString& aReadyState, JSContext* aCx)
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{
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if (!mIPCOpen) {
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NS_WARNING("Dropping callback due to no IPC connection");
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return NS_OK;
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}
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CallbackData data;
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if (aDataVal.isString()) {
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JSString* jsstr = aDataVal.toString();
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nsAutoJSString str;
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if (!str.init(aCx, jsstr)) {
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FireInteralError(this, __LINE__);
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return NS_ERROR_OUT_OF_MEMORY;
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}
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data = SendableData(str);
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} else if (aDataVal.isUndefined() || aDataVal.isNull()) {
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data = mozilla::void_t();
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} else if (aDataVal.isObject()) {
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JS::Rooted<JSObject *> obj(aCx, &aDataVal.toObject());
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if (JS_IsArrayBufferObject(obj)) {
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FallibleTArray<uint8_t> fallibleArr;
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uint32_t errLine = 0;
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do {
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JS::AutoCheckCannotGC nogc;
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uint32_t nbytes = JS_GetArrayBufferByteLength(obj);
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uint8_t* buffer = JS_GetArrayBufferData(obj, nogc);
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if (!buffer) {
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errLine = __LINE__;
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break;
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}
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if (!fallibleArr.InsertElementsAt(0, buffer, nbytes)) {
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errLine = __LINE__;
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break;
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}
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} while (false);
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if (errLine) {
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FireInteralError(this, errLine);
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return NS_ERROR_OUT_OF_MEMORY;
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}
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InfallibleTArray<uint8_t> arr;
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arr.SwapElements(fallibleArr);
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data = SendableData(arr);
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} else {
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nsAutoJSString name;
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JS::Rooted<JS::Value> val(aCx);
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if (!JS_GetProperty(aCx, obj, "name", &val)) {
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NS_ERROR("No name property on supposed error object");
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} else if (val.isString()) {
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if (!name.init(aCx, val.toString())) {
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NS_WARNING("couldn't initialize string");
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}
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}
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data = TCPError(name);
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}
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} else {
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NS_ERROR("Unexpected JS value encountered");
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FireInteralError(this, __LINE__);
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return NS_ERROR_FAILURE;
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}
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mozilla::unused <<
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PTCPSocketParent::SendCallback(nsString(aType), data,
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nsString(aReadyState));
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return NS_OK;
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}
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NS_IMETHODIMP
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TCPSocketParent::SetSocketAndIntermediary(nsIDOMTCPSocket *socket,
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nsITCPSocketIntermediary *intermediary,
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JSContext* cx)
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{
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mSocket = socket;
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mIntermediary = intermediary;
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return NS_OK;
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}
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NS_IMETHODIMP
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TCPSocketParent::SendUpdateBufferedAmount(uint32_t aBufferedAmount,
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uint32_t aTrackingNumber)
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{
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mozilla::unused << PTCPSocketParent::SendUpdateBufferedAmount(aBufferedAmount,
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aTrackingNumber);
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return NS_OK;
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}
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NS_IMETHODIMP
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TCPSocketParent::GetHost(nsAString& aHost)
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{
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if (!mSocket) {
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NS_ERROR("No internal socket instance mSocket!");
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return NS_ERROR_FAILURE;
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}
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return mSocket->GetHost(aHost);
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}
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NS_IMETHODIMP
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TCPSocketParent::GetPort(uint16_t* aPort)
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{
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if (!mSocket) {
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NS_ERROR("No internal socket instance mSocket!");
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return NS_ERROR_FAILURE;
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}
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return mSocket->GetPort(aPort);
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}
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void
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TCPSocketParent::ActorDestroy(ActorDestroyReason why)
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{
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if (mSocket) {
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mSocket->Close();
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}
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mSocket = nullptr;
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mIntermediaryObj = nullptr;
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mIntermediary = nullptr;
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}
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bool
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TCPSocketParent::RecvRequestDelete()
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{
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mozilla::unused << Send__delete__(this);
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return true;
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}
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} // namespace dom
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} // namespace mozilla
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