mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
561 lines
18 KiB
C++
561 lines
18 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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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 "mozilla/dom/ContentChild.h"
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#include "mozilla/dom/MediaKeySystemAccess.h"
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#include "mozilla/dom/MediaKeySystemAccessBinding.h"
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#include "mozilla/Preferences.h"
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#include "nsContentTypeParser.h"
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#ifdef MOZ_FMP4
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#include "MP4Decoder.h"
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#endif
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#ifdef XP_WIN
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#include "mozilla/WindowsVersion.h"
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#include "WMFDecoderModule.h"
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#endif
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#ifdef XP_MACOSX
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#include "nsCocoaFeatures.h"
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#endif
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#include "nsContentCID.h"
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#include "nsServiceManagerUtils.h"
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#include "mozIGeckoMediaPluginService.h"
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#include "VideoUtils.h"
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#include "mozilla/Services.h"
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#include "nsIObserverService.h"
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#include "mozilla/EMEUtils.h"
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#include "GMPUtils.h"
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#include "nsAppDirectoryServiceDefs.h"
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#include "nsDirectoryServiceUtils.h"
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#include "nsDirectoryServiceDefs.h"
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#include "nsXULAppAPI.h"
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#include "gmp-audio-decode.h"
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#include "gmp-video-decode.h"
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#if defined(XP_WIN) || defined(XP_MACOSX)
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#define PRIMETIME_EME_SUPPORTED 1
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#endif
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namespace mozilla {
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namespace dom {
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NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(MediaKeySystemAccess,
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mParent)
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NS_IMPL_CYCLE_COLLECTING_ADDREF(MediaKeySystemAccess)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(MediaKeySystemAccess)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(MediaKeySystemAccess)
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NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_END
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MediaKeySystemAccess::MediaKeySystemAccess(nsPIDOMWindow* aParent,
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const nsAString& aKeySystem,
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const nsAString& aCDMVersion,
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const MediaKeySystemConfiguration& aConfig)
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: mParent(aParent)
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, mKeySystem(aKeySystem)
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, mCDMVersion(aCDMVersion)
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, mConfig(aConfig)
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{
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}
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MediaKeySystemAccess::~MediaKeySystemAccess()
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{
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}
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JSObject*
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MediaKeySystemAccess::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return MediaKeySystemAccessBinding::Wrap(aCx, this, aGivenProto);
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}
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nsPIDOMWindow*
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MediaKeySystemAccess::GetParentObject() const
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{
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return mParent;
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}
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void
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MediaKeySystemAccess::GetKeySystem(nsString& aOutKeySystem) const
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{
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ConstructKeySystem(mKeySystem, mCDMVersion, aOutKeySystem);
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}
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void
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MediaKeySystemAccess::GetConfiguration(MediaKeySystemConfiguration& aConfig)
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{
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aConfig = mConfig;
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}
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already_AddRefed<Promise>
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MediaKeySystemAccess::CreateMediaKeys(ErrorResult& aRv)
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{
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RefPtr<MediaKeys> keys(new MediaKeys(mParent, mKeySystem, mCDMVersion));
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return keys->Init(aRv);
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}
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static bool
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HaveGMPFor(mozIGeckoMediaPluginService* aGMPService,
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const nsCString& aKeySystem,
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const nsCString& aAPI,
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const nsCString& aTag = EmptyCString())
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{
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nsTArray<nsCString> tags;
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tags.AppendElement(aKeySystem);
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if (!aTag.IsEmpty()) {
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tags.AppendElement(aTag);
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}
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bool hasPlugin = false;
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if (NS_FAILED(aGMPService->HasPluginForAPI(aAPI,
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&tags,
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&hasPlugin))) {
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return false;
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}
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return hasPlugin;
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}
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#ifdef XP_WIN
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static bool
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AdobePluginFileExists(const nsACString& aVersionStr,
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const nsAString& aFilename)
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{
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MOZ_ASSERT(XRE_GetProcessType() == GeckoProcessType_Default);
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nsCOMPtr<nsIFile> path;
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nsresult rv = NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR, getter_AddRefs(path));
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return false;
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}
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rv = path->Append(NS_LITERAL_STRING("gmp-eme-adobe"));
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return false;
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}
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rv = path->AppendNative(aVersionStr);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return false;
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}
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rv = path->Append(aFilename);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return false;
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}
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bool exists = false;
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return NS_SUCCEEDED(path->Exists(&exists)) && exists;
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}
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static bool
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AdobePluginDLLExists(const nsACString& aVersionStr)
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{
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return AdobePluginFileExists(aVersionStr, NS_LITERAL_STRING("eme-adobe.dll"));
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}
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static bool
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AdobePluginVoucherExists(const nsACString& aVersionStr)
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{
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return AdobePluginFileExists(aVersionStr, NS_LITERAL_STRING("eme-adobe.voucher"));
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}
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#endif
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/* static */ bool
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MediaKeySystemAccess::IsGMPPresentOnDisk(const nsAString& aKeySystem,
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const nsACString& aVersion,
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nsACString& aOutMessage)
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{
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MOZ_ASSERT(NS_IsMainThread());
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if (XRE_GetProcessType() != GeckoProcessType_Default) {
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// We need to be able to access the filesystem, so call this in the
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// main process via ContentChild.
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ContentChild* contentChild = ContentChild::GetSingleton();
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if (NS_WARN_IF(!contentChild)) {
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return false;
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}
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nsCString message;
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bool result = false;
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bool ok = contentChild->SendIsGMPPresentOnDisk(nsString(aKeySystem), nsCString(aVersion),
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&result, &message);
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aOutMessage = message;
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return ok && result;
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}
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bool isPresent = true;
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#if XP_WIN
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if (aKeySystem.EqualsLiteral("com.adobe.primetime")) {
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if (!AdobePluginDLLExists(aVersion)) {
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NS_WARNING("Adobe EME plugin disappeared from disk!");
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aOutMessage = NS_LITERAL_CSTRING("Adobe DLL was expected to be on disk but was not");
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isPresent = false;
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}
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if (!AdobePluginVoucherExists(aVersion)) {
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NS_WARNING("Adobe EME voucher disappeared from disk!");
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aOutMessage = NS_LITERAL_CSTRING("Adobe plugin voucher was expected to be on disk but was not");
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isPresent = false;
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}
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if (!isPresent) {
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// Reset the prefs that Firefox's GMP downloader sets, so that
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// Firefox will try to download the plugin next time the updater runs.
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Preferences::ClearUser("media.gmp-eme-adobe.lastUpdate");
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Preferences::ClearUser("media.gmp-eme-adobe.version");
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} else if (!EMEVoucherFileExists()) {
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// Gecko doesn't have a voucher file for the plugin-container.
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// Adobe EME isn't going to work, so don't advertise that it will.
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aOutMessage = NS_LITERAL_CSTRING("Plugin-container voucher not present");
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isPresent = false;
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}
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}
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#endif
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return isPresent;
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}
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static MediaKeySystemStatus
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EnsureMinCDMVersion(mozIGeckoMediaPluginService* aGMPService,
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const nsAString& aKeySystem,
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int32_t aMinCdmVersion,
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nsACString& aOutMessage,
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nsACString& aOutCdmVersion)
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{
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nsTArray<nsCString> tags;
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tags.AppendElement(NS_ConvertUTF16toUTF8(aKeySystem));
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bool hasPlugin;
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nsAutoCString versionStr;
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if (NS_FAILED(aGMPService->GetPluginVersionForAPI(NS_LITERAL_CSTRING(GMP_API_DECRYPTOR),
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&tags,
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&hasPlugin,
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versionStr))) {
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aOutMessage = NS_LITERAL_CSTRING("GetPluginVersionForAPI failed");
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return MediaKeySystemStatus::Error;
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}
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aOutCdmVersion = versionStr;
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if (!hasPlugin) {
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aOutMessage = NS_LITERAL_CSTRING("CDM is not installed");
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return MediaKeySystemStatus::Cdm_not_installed;
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}
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if (!MediaKeySystemAccess::IsGMPPresentOnDisk(aKeySystem, versionStr, aOutMessage)) {
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return MediaKeySystemStatus::Cdm_not_installed;
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}
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nsresult rv;
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int32_t version = versionStr.ToInteger(&rv);
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if (aMinCdmVersion != NO_CDM_VERSION &&
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(NS_FAILED(rv) || version < 0 || aMinCdmVersion > version)) {
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aOutMessage = NS_LITERAL_CSTRING("Installed CDM version insufficient");
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return MediaKeySystemStatus::Cdm_insufficient_version;
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}
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return MediaKeySystemStatus::Available;
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}
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/* static */
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MediaKeySystemStatus
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MediaKeySystemAccess::GetKeySystemStatus(const nsAString& aKeySystem,
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int32_t aMinCdmVersion,
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nsACString& aOutMessage,
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nsACString& aOutCdmVersion)
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{
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MOZ_ASSERT(Preferences::GetBool("media.eme.enabled", false));
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nsCOMPtr<mozIGeckoMediaPluginService> mps =
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do_GetService("@mozilla.org/gecko-media-plugin-service;1");
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if (NS_WARN_IF(!mps)) {
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aOutMessage = NS_LITERAL_CSTRING("Failed to get GMP service");
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return MediaKeySystemStatus::Error;
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}
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if (aKeySystem.EqualsLiteral("org.w3.clearkey")) {
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if (!Preferences::GetBool("media.eme.clearkey.enabled", true)) {
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aOutMessage = NS_LITERAL_CSTRING("ClearKey was disabled");
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return MediaKeySystemStatus::Cdm_disabled;
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}
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return EnsureMinCDMVersion(mps, aKeySystem, aMinCdmVersion, aOutMessage, aOutCdmVersion);
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}
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#ifdef PRIMETIME_EME_SUPPORTED
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if (aKeySystem.EqualsLiteral("com.adobe.primetime")) {
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if (!Preferences::GetBool("media.gmp-eme-adobe.enabled", false)) {
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aOutMessage = NS_LITERAL_CSTRING("Adobe EME disabled");
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return MediaKeySystemStatus::Cdm_disabled;
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}
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#ifdef XP_WIN
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// Win Vista and later only.
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if (!IsVistaOrLater()) {
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aOutMessage = NS_LITERAL_CSTRING("Minimum Windows version not met for Adobe EME");
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return MediaKeySystemStatus::Cdm_not_supported;
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}
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#endif
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#ifdef XP_MACOSX
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if (!nsCocoaFeatures::OnLionOrLater()) {
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aOutMessage = NS_LITERAL_CSTRING("Minimum MacOSX version not met for Adobe EME");
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return MediaKeySystemStatus::Cdm_not_supported;
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}
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#endif
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return EnsureMinCDMVersion(mps, aKeySystem, aMinCdmVersion, aOutMessage, aOutCdmVersion);
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}
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#endif
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return MediaKeySystemStatus::Cdm_not_supported;
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}
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static bool
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GMPDecryptsAndDecodesAAC(mozIGeckoMediaPluginService* aGMPS,
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const nsAString& aKeySystem)
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{
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MOZ_ASSERT(HaveGMPFor(aGMPS,
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NS_ConvertUTF16toUTF8(aKeySystem),
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NS_LITERAL_CSTRING(GMP_API_DECRYPTOR)));
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return HaveGMPFor(aGMPS,
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NS_ConvertUTF16toUTF8(aKeySystem),
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NS_LITERAL_CSTRING(GMP_API_AUDIO_DECODER),
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NS_LITERAL_CSTRING("aac"));
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}
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static bool
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GMPDecryptsAndDecodesH264(mozIGeckoMediaPluginService* aGMPS,
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const nsAString& aKeySystem)
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{
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MOZ_ASSERT(HaveGMPFor(aGMPS,
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NS_ConvertUTF16toUTF8(aKeySystem),
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NS_LITERAL_CSTRING(GMP_API_DECRYPTOR)));
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return HaveGMPFor(aGMPS,
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NS_ConvertUTF16toUTF8(aKeySystem),
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NS_LITERAL_CSTRING(GMP_API_AUDIO_DECODER),
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NS_LITERAL_CSTRING("aac"));
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}
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// If this keysystem's CDM explicitly says it doesn't support decoding,
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// that means it's OK with passing the decrypted samples back to Gecko
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// for decoding. Note we special case Clearkey on Windows, where we need
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// to check for whether WMF is usable because the CDM uses that
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// to decode.
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static bool
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GMPDecryptsAndGeckoDecodesH264(mozIGeckoMediaPluginService* aGMPService,
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const nsAString& aKeySystem,
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const nsAString& aContentType)
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{
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MOZ_ASSERT(HaveGMPFor(aGMPService,
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NS_ConvertUTF16toUTF8(aKeySystem),
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NS_LITERAL_CSTRING(GMP_API_DECRYPTOR)));
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MOZ_ASSERT(IsH264ContentType(aContentType));
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return
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(!HaveGMPFor(aGMPService,
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NS_ConvertUTF16toUTF8(aKeySystem),
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NS_LITERAL_CSTRING(GMP_API_VIDEO_DECODER),
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NS_LITERAL_CSTRING("h264"))
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#ifdef XP_WIN
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// Clearkey on Windows XP can't decode, but advertises that it can
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// in its GMP info file.
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|| (aKeySystem.EqualsLiteral("org.w3.clearkey") && !IsVistaOrLater())
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#endif
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) && MP4Decoder::CanHandleMediaType(aContentType);
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}
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static bool
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GMPDecryptsAndGeckoDecodesAAC(mozIGeckoMediaPluginService* aGMPService,
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const nsAString& aKeySystem,
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const nsAString& aContentType)
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{
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MOZ_ASSERT(HaveGMPFor(aGMPService,
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NS_ConvertUTF16toUTF8(aKeySystem),
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NS_LITERAL_CSTRING(GMP_API_DECRYPTOR)));
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MOZ_ASSERT(IsAACContentType(aContentType));
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return
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(!HaveGMPFor(aGMPService,
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NS_ConvertUTF16toUTF8(aKeySystem),
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NS_LITERAL_CSTRING(GMP_API_AUDIO_DECODER),
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NS_LITERAL_CSTRING("aac"))
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#ifdef XP_WIN
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// Clearkey on Windows XP can't decode, but advertises that it can
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// in its GMP info file.
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|| (aKeySystem.EqualsLiteral("org.w3.clearkey") && !IsVistaOrLater())
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#endif
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) && MP4Decoder::CanHandleMediaType(aContentType);
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}
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static bool
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IsSupportedAudio(mozIGeckoMediaPluginService* aGMPService,
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const nsAString& aKeySystem,
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const nsAString& aAudioType)
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{
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return IsAACContentType(aAudioType) &&
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(GMPDecryptsAndDecodesAAC(aGMPService, aKeySystem) ||
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GMPDecryptsAndGeckoDecodesAAC(aGMPService, aKeySystem, aAudioType));
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}
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static bool
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IsSupportedVideo(mozIGeckoMediaPluginService* aGMPService,
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const nsAString& aKeySystem,
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const nsAString& aVideoType)
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{
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return IsH264ContentType(aVideoType) &&
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(GMPDecryptsAndDecodesH264(aGMPService, aKeySystem) ||
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GMPDecryptsAndGeckoDecodesH264(aGMPService, aKeySystem, aVideoType));
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}
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static bool
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IsSupported(mozIGeckoMediaPluginService* aGMPService,
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const nsAString& aKeySystem,
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const MediaKeySystemConfiguration& aConfig)
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{
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if (aConfig.mInitDataType.IsEmpty() &&
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aConfig.mAudioType.IsEmpty() &&
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aConfig.mVideoType.IsEmpty()) {
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// Not an old-style request.
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return false;
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}
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// Backwards compatibility with legacy MediaKeySystemConfiguration method.
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if (!aConfig.mInitDataType.IsEmpty() &&
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!aConfig.mInitDataType.EqualsLiteral("cenc")) {
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return false;
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}
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if (!aConfig.mAudioType.IsEmpty() &&
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!IsSupportedAudio(aGMPService, aKeySystem, aConfig.mAudioType)) {
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return false;
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}
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if (!aConfig.mVideoType.IsEmpty() &&
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!IsSupportedVideo(aGMPService, aKeySystem, aConfig.mVideoType)) {
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return false;
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}
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return true;
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}
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static bool
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GetSupportedConfig(mozIGeckoMediaPluginService* aGMPService,
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const nsAString& aKeySystem,
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const MediaKeySystemConfiguration& aCandidate,
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MediaKeySystemConfiguration& aOutConfig)
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{
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MediaKeySystemConfiguration config;
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config.mLabel = aCandidate.mLabel;
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if (aCandidate.mInitDataTypes.WasPassed()) {
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nsTArray<nsString> initDataTypes;
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for (const nsString& candidate : aCandidate.mInitDataTypes.Value()) {
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if (candidate.EqualsLiteral("cenc")) {
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initDataTypes.AppendElement(candidate);
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}
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}
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if (initDataTypes.IsEmpty()) {
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return false;
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}
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config.mInitDataTypes.Construct();
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config.mInitDataTypes.Value().Assign(initDataTypes);
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}
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if (aCandidate.mAudioCapabilities.WasPassed()) {
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nsTArray<MediaKeySystemMediaCapability> caps;
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for (const MediaKeySystemMediaCapability& cap : aCandidate.mAudioCapabilities.Value()) {
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if (IsSupportedAudio(aGMPService, aKeySystem, cap.mContentType)) {
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caps.AppendElement(cap);
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}
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}
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if (caps.IsEmpty()) {
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return false;
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}
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config.mAudioCapabilities.Construct();
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config.mAudioCapabilities.Value().Assign(caps);
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}
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if (aCandidate.mVideoCapabilities.WasPassed()) {
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nsTArray<MediaKeySystemMediaCapability> caps;
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for (const MediaKeySystemMediaCapability& cap : aCandidate.mVideoCapabilities.Value()) {
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if (IsSupportedVideo(aGMPService, aKeySystem, cap.mContentType)) {
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caps.AppendElement(cap);
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}
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}
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if (caps.IsEmpty()) {
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return false;
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}
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config.mVideoCapabilities.Construct();
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config.mVideoCapabilities.Value().Assign(caps);
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}
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aOutConfig = config;
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return true;
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}
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// Backwards compatibility with legacy requestMediaKeySystemAccess with fields
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// from old MediaKeySystemOptions dictionary.
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/* static */
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bool
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MediaKeySystemAccess::IsSupported(const nsAString& aKeySystem,
|
|
const Sequence<MediaKeySystemConfiguration>& aConfigs)
|
|
{
|
|
nsCOMPtr<mozIGeckoMediaPluginService> mps =
|
|
do_GetService("@mozilla.org/gecko-media-plugin-service;1");
|
|
if (NS_WARN_IF(!mps)) {
|
|
return false;
|
|
}
|
|
|
|
if (!HaveGMPFor(mps,
|
|
NS_ConvertUTF16toUTF8(aKeySystem),
|
|
NS_LITERAL_CSTRING(GMP_API_DECRYPTOR))) {
|
|
return false;
|
|
}
|
|
|
|
for (const MediaKeySystemConfiguration& config : aConfigs) {
|
|
if (mozilla::dom::IsSupported(mps, aKeySystem, config)) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/* static */
|
|
bool
|
|
MediaKeySystemAccess::GetSupportedConfig(const nsAString& aKeySystem,
|
|
const Sequence<MediaKeySystemConfiguration>& aConfigs,
|
|
MediaKeySystemConfiguration& aOutConfig)
|
|
{
|
|
nsCOMPtr<mozIGeckoMediaPluginService> mps =
|
|
do_GetService("@mozilla.org/gecko-media-plugin-service;1");
|
|
if (NS_WARN_IF(!mps)) {
|
|
return false;
|
|
}
|
|
|
|
if (!HaveGMPFor(mps,
|
|
NS_ConvertUTF16toUTF8(aKeySystem),
|
|
NS_LITERAL_CSTRING(GMP_API_DECRYPTOR))) {
|
|
return false;
|
|
}
|
|
|
|
for (const MediaKeySystemConfiguration& config : aConfigs) {
|
|
if (mozilla::dom::GetSupportedConfig(mps, aKeySystem, config, aOutConfig)) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
/* static */
|
|
void
|
|
MediaKeySystemAccess::NotifyObservers(nsIDOMWindow* aWindow,
|
|
const nsAString& aKeySystem,
|
|
MediaKeySystemStatus aStatus)
|
|
{
|
|
RequestMediaKeySystemAccessNotification data;
|
|
data.mKeySystem = aKeySystem;
|
|
data.mStatus = aStatus;
|
|
nsAutoString json;
|
|
data.ToJSON(json);
|
|
EME_LOG("MediaKeySystemAccess::NotifyObservers() %s", NS_ConvertUTF16toUTF8(json).get());
|
|
nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
|
|
if (obs) {
|
|
obs->NotifyObservers(aWindow, "mediakeys-request", json.get());
|
|
}
|
|
}
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|