| /* |
| * Copyright (C) 2017 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #import "config.h" |
| #import "CDMInstanceFairPlayStreamingAVFObjC.h" |
| |
| #if ENABLE(ENCRYPTED_MEDIA) && HAVE(AVCONTENTKEYSESSION) |
| |
| #import "CDMFairPlayStreaming.h" |
| #import "CDMKeySystemConfiguration.h" |
| #import "CDMMediaCapability.h" |
| #import "InitDataRegistry.h" |
| #import "NotImplemented.h" |
| #import "SharedBuffer.h" |
| #import "TextDecoder.h" |
| #import <AVFoundation/AVContentKeySession.h> |
| #import <objc/runtime.h> |
| #import <pal/spi/mac/AVFoundationSPI.h> |
| #import <wtf/Algorithms.h> |
| #import <wtf/FileSystem.h> |
| #import <wtf/JSONValues.h> |
| #import <wtf/text/Base64.h> |
| #import <wtf/text/StringHash.h> |
| |
| #import <pal/cocoa/AVFoundationSoftLink.h> |
| |
| static const NSString *PlaybackSessionIdKey = @"PlaybackSessionID"; |
| static NSString * const InitializationDataTypeKey = @"InitializationDataType"; |
| static NSString * const ContentKeyReportGroupKey = @"ContentKeyReportGroup"; |
| |
| @interface WebCoreFPSContentKeySessionDelegate : NSObject<AVContentKeySessionDelegate> { |
| WebCore::AVContentKeySessionDelegateClient* _parent; |
| } |
| @end |
| |
| @implementation WebCoreFPSContentKeySessionDelegate |
| - (id)initWithParent:(WebCore::AVContentKeySessionDelegateClient *)parent |
| { |
| if (!(self = [super init])) |
| return nil; |
| |
| _parent = parent; |
| return self; |
| } |
| |
| - (void)invalidate |
| { |
| _parent = nil; |
| } |
| |
| - (void)contentKeySession:(AVContentKeySession *)session didProvideContentKeyRequest:(AVContentKeyRequest *)keyRequest |
| { |
| UNUSED_PARAM(session); |
| if (_parent) |
| _parent->didProvideRequest(keyRequest); |
| } |
| |
| - (void)contentKeySession:(AVContentKeySession *)session didProvideRenewingContentKeyRequest:(AVContentKeyRequest *)keyRequest |
| { |
| UNUSED_PARAM(session); |
| if (_parent) |
| _parent->didProvideRenewingRequest(keyRequest); |
| } |
| |
| #if PLATFORM(IOS_FAMILY) |
| - (void)contentKeySession:(AVContentKeySession *)session didProvidePersistableContentKeyRequest:(AVPersistableContentKeyRequest *)keyRequest |
| { |
| UNUSED_PARAM(session); |
| if (_parent) |
| _parent->didProvidePersistableRequest(keyRequest); |
| } |
| |
| - (void)contentKeySession:(AVContentKeySession *)session didUpdatePersistableContentKey:(NSData *)persistableContentKey forContentKeyIdentifier:(id)keyIdentifier |
| { |
| UNUSED_PARAM(session); |
| UNUSED_PARAM(persistableContentKey); |
| UNUSED_PARAM(keyIdentifier); |
| notImplemented(); |
| } |
| #endif |
| |
| - (void)contentKeySession:(AVContentKeySession *)session didProvideContentKeyRequests:(NSArray<AVContentKeyRequest *> *)keyRequests forInitializationData:(nullable NSData *)initializationData |
| { |
| UNUSED_PARAM(session); |
| UNUSED_PARAM(initializationData); |
| if (!_parent) |
| return; |
| |
| Vector<RetainPtr<AVContentKeyRequest>> requests; |
| requests.reserveInitialCapacity(keyRequests.count); |
| [keyRequests enumerateObjectsUsingBlock:[&](AVContentKeyRequest* request, NSUInteger, BOOL*) { |
| requests.uncheckedAppend(request); |
| }]; |
| _parent->didProvideRequests(WTFMove(requests)); |
| } |
| |
| - (void)contentKeySession:(AVContentKeySession *)session contentKeyRequest:(AVContentKeyRequest *)keyRequest didFailWithError:(NSError *)err |
| { |
| UNUSED_PARAM(session); |
| if (_parent) |
| _parent->didFailToProvideRequest(keyRequest, err); |
| } |
| |
| - (void)contentKeySession:(AVContentKeySession *)session contentKeyRequestDidSucceed:(AVContentKeyRequest *)keyRequest |
| { |
| UNUSED_PARAM(session); |
| if (_parent) |
| _parent->requestDidSucceed(keyRequest); |
| } |
| |
| - (BOOL)contentKeySession:(AVContentKeySession *)session shouldRetryContentKeyRequest:(AVContentKeyRequest *)keyRequest reason:(AVContentKeyRequestRetryReason)retryReason |
| { |
| UNUSED_PARAM(session); |
| return _parent ? _parent->shouldRetryRequestForReason(keyRequest, retryReason) : false; |
| } |
| |
| - (void)contentKeySessionContentProtectionSessionIdentifierDidChange:(AVContentKeySession *)session |
| { |
| UNUSED_PARAM(session); |
| if (_parent) |
| _parent->sessionIdentifierChanged(session.contentProtectionSessionIdentifier); |
| } |
| - (void)contentKeySession:(AVContentKeySession *)session contentProtectionSessionIdentifierDidChangeForKeyGroup:(nullable AVContentKeyReportGroup *)reportGroup |
| { |
| // FIXME: Remove after rdar://57430747 is fixed |
| [self contentKeySession:session contentProtectionSessionIdentifierDidChangeForReportGroup:reportGroup]; |
| } |
| |
| - (void)contentKeySession:(AVContentKeySession *)session contentProtectionSessionIdentifierDidChangeForReportGroup:(nullable AVContentKeyReportGroup *)reportGroup |
| { |
| UNUSED_PARAM(session); |
| if (_parent) |
| _parent->groupSessionIdentifierChanged(reportGroup, reportGroup.contentProtectionSessionIdentifier); |
| } |
| |
| @end |
| |
| namespace WebCore { |
| |
| CDMInstanceFairPlayStreamingAVFObjC::CDMInstanceFairPlayStreamingAVFObjC() |
| { |
| if (PAL::getAVContentKeyReportGroupClass()) |
| ensureSession(); |
| } |
| |
| void CDMInstanceFairPlayStreamingAVFObjC::ensureSession() |
| { |
| if (m_session) |
| return; |
| |
| if (!PAL::canLoad_AVFoundation_AVContentKeySystemFairPlayStreaming()) |
| return; |
| |
| auto storageURL = this->storageURL(); |
| if (!persistentStateAllowed() || !storageURL) |
| m_session = [PAL::getAVContentKeySessionClass() contentKeySessionWithKeySystem:AVContentKeySystemFairPlayStreaming]; |
| else |
| m_session = [PAL::getAVContentKeySessionClass() contentKeySessionWithKeySystem:AVContentKeySystemFairPlayStreaming storageDirectoryAtURL:storageURL]; |
| |
| if (!m_session) |
| return; |
| |
| if (!m_delegate) |
| m_delegate = adoptNS([[WebCoreFPSContentKeySessionDelegate alloc] initWithParent:this]); |
| |
| [m_session setDelegate:m_delegate.get() queue:dispatch_get_main_queue()]; |
| } |
| |
| class CDMInstanceSessionFairPlayStreamingAVFObjC::UpdateResponseCollector { |
| WTF_MAKE_FAST_ALLOCATED; |
| public: |
| using KeyType = RetainPtr<AVContentKeyRequest>; |
| using ValueType = RetainPtr<NSData>; |
| using ResponseMap = HashMap<KeyType, ValueType>; |
| using UpdateCallback = WTF::Function<void(Optional<ResponseMap>&&)>; |
| UpdateResponseCollector(size_t numberOfExpectedResponses, UpdateCallback&& callback) |
| : m_numberOfExpectedResponses(numberOfExpectedResponses) |
| , m_callback(WTFMove(callback)) |
| { |
| } |
| |
| void addSuccessfulResponse(AVContentKeyRequest* request, NSData* data) |
| { |
| m_responses.set(request, data); |
| if (!--m_numberOfExpectedResponses) |
| m_callback(WTFMove(m_responses)); |
| } |
| void addErrorResponse(AVContentKeyRequest* request, NSError* error) |
| { |
| UNUSED_PARAM(error); |
| m_responses.set(request, nullptr); |
| if (!--m_numberOfExpectedResponses) |
| m_callback(WTFMove(m_responses)); |
| } |
| void fail() |
| { |
| m_callback(WTF::nullopt); |
| } |
| |
| private: |
| size_t m_numberOfExpectedResponses; |
| UpdateCallback m_callback; |
| ResponseMap m_responses; |
| }; |
| |
| static RefPtr<JSON::Value> parseJSONValue(const SharedBuffer& buffer) |
| { |
| // Fail on large buffers whose size doesn't fit into a 32-bit unsigned integer. |
| size_t size = buffer.size(); |
| if (size > std::numeric_limits<unsigned>::max()) |
| return nullptr; |
| |
| // Parse the buffer contents as JSON, returning the root object (if any). |
| String json { buffer.data(), static_cast<unsigned>(size) }; |
| RefPtr<JSON::Value> value; |
| if (!JSON::Value::parseJSON(json, value)) |
| return nullptr; |
| |
| return value; |
| } |
| |
| bool CDMInstanceFairPlayStreamingAVFObjC::supportsPersistableState() |
| { |
| return [PAL::getAVContentKeySessionClass() respondsToSelector:@selector(pendingExpiredSessionReportsWithAppIdentifier:storageDirectoryAtURL:)]; |
| } |
| |
| bool CDMInstanceFairPlayStreamingAVFObjC::supportsPersistentKeys() |
| { |
| #if PLATFORM(IOS_FAMILY) |
| return PAL::getAVPersistableContentKeyRequestClass(); |
| #else |
| return false; |
| #endif |
| } |
| |
| bool CDMInstanceFairPlayStreamingAVFObjC::supportsMediaCapability(const CDMMediaCapability& capability) |
| { |
| if (![PAL::getAVURLAssetClass() isPlayableExtendedMIMEType:capability.contentType]) |
| return false; |
| |
| // FairPlay only supports 'cbcs' encryption: |
| if (capability.encryptionScheme && capability.encryptionScheme.value() != CDMEncryptionScheme::cbcs) |
| return false; |
| |
| return true; |
| } |
| |
| CDMInstance::SuccessValue CDMInstanceFairPlayStreamingAVFObjC::initializeWithConfiguration(const CDMKeySystemConfiguration& configuration) |
| { |
| // FIXME: verify that FairPlayStreaming does not (and cannot) expose a distinctive identifier to the client |
| if (configuration.distinctiveIdentifier == CDMRequirement::Required) |
| return Failed; |
| |
| if (configuration.persistentState != CDMRequirement::Required && (configuration.sessionTypes.contains(CDMSessionType::PersistentUsageRecord) || configuration.sessionTypes.contains(CDMSessionType::PersistentLicense))) |
| return Failed; |
| |
| if (configuration.persistentState == CDMRequirement::Required && !m_storageURL) |
| return Failed; |
| |
| if (configuration.sessionTypes.contains(CDMSessionType::PersistentLicense) && !supportsPersistentKeys()) |
| return Failed; |
| |
| if (!PAL::canLoad_AVFoundation_AVContentKeySystemFairPlayStreaming()) |
| return Failed; |
| |
| return Succeeded; |
| } |
| |
| CDMInstance::SuccessValue CDMInstanceFairPlayStreamingAVFObjC::setDistinctiveIdentifiersAllowed(bool) |
| { |
| // FIXME: verify that FairPlayStreaming does not (and cannot) expose a distinctive identifier to the client |
| return Succeeded; |
| } |
| |
| CDMInstance::SuccessValue CDMInstanceFairPlayStreamingAVFObjC::setPersistentStateAllowed(bool persistentStateAllowed) |
| { |
| m_persistentStateAllowed = persistentStateAllowed; |
| return Succeeded; |
| } |
| |
| CDMInstance::SuccessValue CDMInstanceFairPlayStreamingAVFObjC::setServerCertificate(Ref<SharedBuffer>&& serverCertificate) |
| { |
| m_serverCertificate = WTFMove(serverCertificate); |
| return Succeeded; |
| } |
| |
| CDMInstance::SuccessValue CDMInstanceFairPlayStreamingAVFObjC::setStorageDirectory(const String& storageDirectory) |
| { |
| if (storageDirectory.isEmpty()) { |
| m_storageURL = nil; |
| return Succeeded; |
| } |
| |
| auto storagePath = FileSystem::pathByAppendingComponent(storageDirectory, "SecureStop.plist"); |
| |
| if (!FileSystem::fileExists(storageDirectory)) { |
| if (!FileSystem::makeAllDirectories(storageDirectory)) |
| return Failed; |
| } else if (!FileSystem::fileIsDirectory(storageDirectory, FileSystem::ShouldFollowSymbolicLinks::Yes)) { |
| auto tempDirectory = FileSystem::createTemporaryDirectory(@"MediaKeys"); |
| if (!tempDirectory) |
| return Failed; |
| |
| auto tempStoragePath = FileSystem::pathByAppendingComponent(tempDirectory, FileSystem::pathGetFileName(storagePath)); |
| if (!FileSystem::moveFile(storageDirectory, tempStoragePath)) |
| return Failed; |
| |
| if (!FileSystem::moveFile(tempDirectory, storageDirectory)) |
| return Failed; |
| } |
| |
| m_storageURL = adoptNS([[NSURL alloc] initFileURLWithPath:storagePath isDirectory:NO]); |
| return Succeeded; |
| } |
| |
| RefPtr<CDMInstanceSession> CDMInstanceFairPlayStreamingAVFObjC::createSession() |
| { |
| auto session = adoptRef(*new CDMInstanceSessionFairPlayStreamingAVFObjC(*this)); |
| m_sessions.append(makeWeakPtr(session.get())); |
| return session; |
| } |
| |
| const String& CDMInstanceFairPlayStreamingAVFObjC::keySystem() const |
| { |
| static NeverDestroyed<String> keySystem { "com.apple.fps"_s }; |
| return keySystem; |
| } |
| |
| static AVContentKeyReportGroup* groupForRequest(AVContentKeyRequest* request) |
| { |
| ASSERT([request respondsToSelector:@selector(options)]); |
| ALLOW_NEW_API_WITHOUT_GUARDS_BEGIN |
| auto group = (AVContentKeyReportGroup*)[request.options valueForKey:ContentKeyReportGroupKey]; |
| ALLOW_NEW_API_WITHOUT_GUARDS_END |
| return group; |
| } |
| |
| void CDMInstanceFairPlayStreamingAVFObjC::didProvideRequest(AVContentKeyRequest *request) |
| { |
| if (auto* session = sessionForGroup(groupForRequest(request))) |
| session->didProvideRequest(request); |
| } |
| |
| void CDMInstanceFairPlayStreamingAVFObjC::didProvideRequests(Vector<RetainPtr<AVContentKeyRequest>>&& requests) |
| { |
| if (auto* session = sessionForGroup(groupForRequest(requests.first().get()))) |
| session->didProvideRequests(WTFMove(requests)); |
| } |
| |
| void CDMInstanceFairPlayStreamingAVFObjC::didProvideRenewingRequest(AVContentKeyRequest *request) |
| { |
| if (auto* session = sessionForGroup(groupForRequest(request))) |
| session->didProvideRenewingRequest(request); |
| } |
| |
| void CDMInstanceFairPlayStreamingAVFObjC::didProvidePersistableRequest(AVContentKeyRequest *request) |
| { |
| if (auto* session = sessionForGroup(groupForRequest(request))) |
| session->didProvidePersistableRequest(request); |
| } |
| |
| void CDMInstanceFairPlayStreamingAVFObjC::didFailToProvideRequest(AVContentKeyRequest *request, NSError *error) |
| { |
| if (auto* session = sessionForGroup(groupForRequest(request))) |
| session->didFailToProvideRequest(request, error); |
| } |
| |
| void CDMInstanceFairPlayStreamingAVFObjC::requestDidSucceed(AVContentKeyRequest *request) |
| { |
| if (auto* session = sessionForGroup(groupForRequest(request))) |
| session->requestDidSucceed(request); |
| } |
| |
| bool CDMInstanceFairPlayStreamingAVFObjC::shouldRetryRequestForReason(AVContentKeyRequest *request, NSString *reason) |
| { |
| if (auto* session = sessionForGroup(groupForRequest(request))) |
| return session->shouldRetryRequestForReason(request, reason); |
| return false; |
| } |
| |
| void CDMInstanceFairPlayStreamingAVFObjC::sessionIdentifierChanged(NSData *sessionIdentifier) |
| { |
| UNUSED_PARAM(sessionIdentifier); |
| // No-op. If we are getting this callback, there are outstanding AVContentKeyRequestGroups which are managing their own |
| // session identifiers. |
| } |
| |
| void CDMInstanceFairPlayStreamingAVFObjC::groupSessionIdentifierChanged(AVContentKeyReportGroup* group, NSData *sessionIdentifier) |
| { |
| if (auto* session = sessionForGroup(group)) |
| session->groupSessionIdentifierChanged(group, sessionIdentifier); |
| } |
| |
| void CDMInstanceFairPlayStreamingAVFObjC::outputObscuredDueToInsufficientExternalProtectionChanged(bool obscured) |
| { |
| for (auto& sessionInterface : m_sessions) { |
| if (sessionInterface) |
| sessionInterface->outputObscuredDueToInsufficientExternalProtectionChanged(obscured); |
| } |
| } |
| |
| CDMInstanceSessionFairPlayStreamingAVFObjC* CDMInstanceFairPlayStreamingAVFObjC::sessionForKeyIDs(const Keys& keyIDs) const |
| { |
| for (auto& sessionInterface : m_sessions) { |
| if (!sessionInterface) |
| continue; |
| |
| auto sessionKeys = sessionInterface->keyIDs(); |
| if (anyOf(sessionKeys, [&](auto& sessionKey) { |
| return keyIDs.contains(sessionKey); |
| })) |
| return sessionInterface.get(); |
| } |
| return nullptr; |
| } |
| |
| CDMInstanceSessionFairPlayStreamingAVFObjC* CDMInstanceFairPlayStreamingAVFObjC::sessionForGroup(AVContentKeyReportGroup* group) const |
| { |
| auto index = m_sessions.findMatching([group] (auto session) { |
| return session && session->contentKeyReportGroup() == group; |
| }); |
| |
| if (index != notFound) |
| return m_sessions[index].get(); |
| return nullptr; |
| } |
| |
| CDMInstanceSessionFairPlayStreamingAVFObjC::CDMInstanceSessionFairPlayStreamingAVFObjC(Ref<CDMInstanceFairPlayStreamingAVFObjC>&& instance) |
| : m_instance(WTFMove(instance)) |
| , m_delegate(adoptNS([[WebCoreFPSContentKeySessionDelegate alloc] initWithParent:this])) |
| { |
| } |
| |
| CDMInstanceSessionFairPlayStreamingAVFObjC::~CDMInstanceSessionFairPlayStreamingAVFObjC() |
| { |
| [m_delegate invalidate]; |
| } |
| |
| using Keys = CDMInstanceSessionFairPlayStreamingAVFObjC::Keys; |
| static Keys keyIDsForRequest(AVContentKeyRequest* request) |
| { |
| if ([request.identifier isKindOfClass:[NSString class]]) |
| return Keys::from(SharedBuffer::create([(NSString *)request.identifier dataUsingEncoding:NSUTF8StringEncoding])); |
| if ([request.identifier isKindOfClass:[NSData class]]) |
| return Keys::from(SharedBuffer::create((NSData *)request.identifier)); |
| if (request.initializationData) { |
| if (auto sinfKeyIDs = CDMPrivateFairPlayStreaming::extractKeyIDsSinf(SharedBuffer::create(request.initializationData))) |
| return WTFMove(sinfKeyIDs.value()); |
| } |
| return { }; |
| } |
| |
| using Request = CDMInstanceSessionFairPlayStreamingAVFObjC::Request; |
| static Keys keyIDsForRequest(const Request& requests) |
| { |
| Keys keyIDs; |
| for (auto& request : requests.requests) |
| keyIDs.appendVector(keyIDsForRequest(request.get())); |
| return keyIDs; |
| } |
| |
| static AtomString initTypeForRequest(AVContentKeyRequest* request) |
| { |
| if (![request respondsToSelector:@selector(options)]) { |
| // AVContentKeyRequest.options was added in 10.14.4; if we are running on a previous version |
| // we don't have support for 'cenc' anyway, so just assume 'sinf'. |
| return CDMPrivateFairPlayStreaming::sinfName(); |
| } |
| |
| ALLOW_NEW_API_WITHOUT_GUARDS_BEGIN |
| auto nsInitType = (NSString*)[request.options valueForKey:InitializationDataTypeKey]; |
| ALLOW_NEW_API_WITHOUT_GUARDS_END |
| if (![nsInitType isKindOfClass:NSString.class]) { |
| // The only way for an initialization data to end up here without an appropriate key in |
| // the options dictionary is for that data to have been generated by the AVStreamDataParser |
| // and currently, the only initialization data supported by the parser is the 'sinf' kind. |
| return CDMPrivateFairPlayStreaming::sinfName(); |
| } |
| |
| return AtomString(nsInitType); |
| } |
| |
| Keys CDMInstanceSessionFairPlayStreamingAVFObjC::keyIDs() |
| { |
| // FIXME(rdar://problem/35597141): use the future AVContentKeyRequest keyID property, rather than parsing it out of the init |
| // data, to get the keyID. |
| Keys keyIDs; |
| for (auto& request : m_requests) { |
| for (auto& key : keyIDsForRequest(request)) |
| keyIDs.append(WTFMove(key)); |
| } |
| |
| return keyIDs; |
| } |
| |
| void CDMInstanceSessionFairPlayStreamingAVFObjC::requestLicense(LicenseType licenseType, const AtomString& initDataType, Ref<SharedBuffer>&& initData, LicenseCallback&& callback) |
| { |
| if (!isLicenseTypeSupported(licenseType)) { |
| callback(SharedBuffer::create(), emptyString(), false, Failed); |
| return; |
| } |
| |
| if (!m_instance->serverCertificate()) { |
| callback(SharedBuffer::create(), emptyString(), false, Failed); |
| return; |
| } |
| |
| if (!ensureSessionOrGroup()) { |
| callback(SharedBuffer::create(), emptyString(), false, Failed); |
| return; |
| } |
| |
| RetainPtr<NSString> identifier; |
| RetainPtr<NSData> initializationData; |
| |
| if (initDataType == CDMPrivateFairPlayStreaming::sinfName()) |
| initializationData = initData->createNSData(); |
| else if (initDataType == CDMPrivateFairPlayStreaming::skdName()) |
| identifier = adoptNS([[NSString alloc] initWithData:initData->createNSData().get() encoding:NSUTF8StringEncoding]); |
| #if HAVE(FAIRPLAYSTREAMING_CENC_INITDATA) |
| else if (initDataType == InitDataRegistry::cencName()) { |
| String psshString = base64Encode(initData->data(), initData->size()); |
| initializationData = [NSJSONSerialization dataWithJSONObject:@{ @"pssh": (NSString*)psshString } options:NSJSONWritingPrettyPrinted error:nil]; |
| } |
| #endif |
| else { |
| callback(SharedBuffer::create(), emptyString(), false, Failed); |
| return; |
| } |
| |
| m_requestLicenseCallback = WTFMove(callback); |
| |
| if (m_group) { |
| auto* options = @{ ContentKeyReportGroupKey: m_group.get(), InitializationDataTypeKey: (NSString*)initDataType }; |
| [m_group processContentKeyRequestWithIdentifier:identifier.get() initializationData:initializationData.get() options:options]; |
| } else { |
| auto* options = @{ InitializationDataTypeKey: (NSString*)initDataType }; |
| [m_session processContentKeyRequestWithIdentifier:identifier.get() initializationData:initializationData.get() options:options]; |
| } |
| } |
| |
| static bool isEqual(const SharedBuffer& data, const String& value) |
| { |
| auto arrayBuffer = data.tryCreateArrayBuffer(); |
| if (!arrayBuffer) |
| return false; |
| |
| auto exceptionOrDecoder = TextDecoder::create("utf8"_s, TextDecoder::Options()); |
| if (exceptionOrDecoder.hasException()) |
| return false; |
| |
| Ref<TextDecoder> decoder = exceptionOrDecoder.releaseReturnValue(); |
| auto stringOrException = decoder->decode(BufferSource::VariantType(WTFMove(arrayBuffer)), TextDecoder::DecodeOptions()); |
| if (stringOrException.hasException()) |
| return false; |
| |
| return stringOrException.returnValue() == value; |
| } |
| |
| void CDMInstanceSessionFairPlayStreamingAVFObjC::updateLicense(const String&, LicenseType, const SharedBuffer& responseData, LicenseUpdateCallback&& callback) |
| { |
| if (!m_expiredSessions.isEmpty() && isEqual(responseData, "acknowledged"_s)) { |
| auto expiredSessions = adoptNS([[NSMutableArray alloc] init]); |
| for (auto& session : m_expiredSessions) |
| [expiredSessions addObject:session.get()]; |
| |
| auto* certificate = m_instance->serverCertificate(); |
| auto* storageURL = m_instance->storageURL(); |
| |
| if (!certificate || !storageURL) { |
| callback(false, WTF::nullopt, WTF::nullopt, WTF::nullopt, Failed); |
| return; |
| } |
| |
| RetainPtr<NSData> appIdentifier = certificate->createNSData(); |
| [PAL::getAVContentKeySessionClass() removePendingExpiredSessionReports:expiredSessions.get() withAppIdentifier:appIdentifier.get() storageDirectoryAtURL:storageURL]; |
| callback(false, { }, WTF::nullopt, WTF::nullopt, Succeeded); |
| return; |
| } |
| |
| if (!m_requests.isEmpty() && isEqual(responseData, "renew"_s)) { |
| auto request = lastKeyRequest(); |
| if (!request) { |
| callback(false, WTF::nullopt, WTF::nullopt, WTF::nullopt, Failed); |
| return; |
| } |
| [m_session renewExpiringResponseDataForContentKeyRequest:request]; |
| m_updateLicenseCallback = WTFMove(callback); |
| return; |
| } |
| |
| if (!m_currentRequest) { |
| callback(false, WTF::nullopt, WTF::nullopt, WTF::nullopt, Failed); |
| return; |
| } |
| Keys keyIDs = keyIDsForRequest(m_currentRequest.value()); |
| if (keyIDs.isEmpty()) { |
| callback(false, WTF::nullopt, WTF::nullopt, WTF::nullopt, Failed); |
| return; |
| } |
| |
| if (m_currentRequest.value().initType == InitDataRegistry::cencName()) { |
| if (m_updateResponseCollector) { |
| m_updateResponseCollector->fail(); |
| m_updateResponseCollector = nullptr; |
| } |
| |
| m_updateResponseCollector = WTF::makeUnique<UpdateResponseCollector>(m_currentRequest.value().requests.size(), [weakThis = makeWeakPtr(*this), this] (Optional<UpdateResponseCollector::ResponseMap>&& responses) { |
| if (!weakThis) |
| return; |
| |
| if (!m_updateLicenseCallback) |
| return; |
| |
| if (!responses || responses.value().isEmpty()) { |
| m_updateLicenseCallback(true, WTF::nullopt, WTF::nullopt, WTF::nullopt, Failed); |
| return; |
| } |
| |
| m_updateLicenseCallback(false, keyStatuses(), WTF::nullopt, WTF::nullopt, Succeeded); |
| m_updateResponseCollector = nullptr; |
| m_currentRequest = WTF::nullopt; |
| nextRequest(); |
| }); |
| |
| auto root = parseJSONValue(responseData); |
| RefPtr<JSON::Array> array; |
| if (!root || !root->asArray(array)) { |
| callback(false, WTF::nullopt, WTF::nullopt, WTF::nullopt, Failed); |
| return; |
| } |
| |
| auto parseResponse = [&](RefPtr<JSON::Value>& value) -> bool { |
| RefPtr<JSON::Object> object; |
| if (!value->asObject(object)) |
| return false; |
| |
| String keyIDString; |
| if (!object->getString("keyID", keyIDString)) |
| return false; |
| |
| Vector<uint8_t> keyIDVector; |
| if (!base64Decode(keyIDString, keyIDVector)) |
| return false; |
| |
| auto keyID = SharedBuffer::create(WTFMove(keyIDVector)); |
| auto foundIndex = m_currentRequest.value().requests.findMatching([&] (auto& request) { |
| auto keyIDs = keyIDsForRequest(request.get()); |
| return keyIDs.contains(keyID); |
| }); |
| if (foundIndex == notFound) |
| return false; |
| |
| auto& request = m_currentRequest.value().requests[foundIndex]; |
| |
| auto payloadFindResults = object->find("payload"); |
| auto errorFindResults = object->find("error"); |
| bool hasPayload = payloadFindResults != object->end(); |
| bool hasError = errorFindResults != object->end(); |
| |
| // Either "payload" or "error" are present, but not both |
| if (hasPayload == hasError) |
| return false; |
| |
| if (hasError) { |
| NSInteger errorCode; |
| if (!errorFindResults->value->asInteger(errorCode)) |
| return false; |
| auto error = adoptNS([[NSError alloc] initWithDomain:@"org.webkit.eme" code:errorCode userInfo:nil]); |
| [request processContentKeyResponseError:error.get()]; |
| } else if (hasPayload) { |
| String payloadString; |
| if (!payloadFindResults->value->asString(payloadString)) |
| return false; |
| Vector<uint8_t> payloadVector; |
| if (!base64Decode(payloadString, payloadVector)) |
| return false; |
| auto payloadData = SharedBuffer::create(WTFMove(payloadVector)); |
| [request processContentKeyResponse:[PAL::getAVContentKeyResponseClass() contentKeyResponseWithFairPlayStreamingKeyResponseData:payloadData->createNSData().get()]]; |
| } |
| return true; |
| }; |
| for (auto value : *array) { |
| if (!parseResponse(value)) { |
| callback(false, WTF::nullopt, WTF::nullopt, WTF::nullopt, Failed); |
| return; |
| } |
| } |
| } else |
| [m_currentRequest.value().requests.first() processContentKeyResponse:[PAL::getAVContentKeyResponseClass() contentKeyResponseWithFairPlayStreamingKeyResponseData:responseData.createNSData().get()]]; |
| |
| // FIXME(rdar://problem/35592277): stash the callback and call it once AVContentKeyResponse supports a success callback. |
| struct objc_method_description method = protocol_getMethodDescription(@protocol(AVContentKeySessionDelegate), @selector(contentKeySession:contentKeyRequestDidSucceed:), NO, YES); |
| if (!method.name) { |
| KeyStatusVector keyStatuses; |
| keyStatuses.reserveInitialCapacity(1); |
| keyStatuses.uncheckedAppend(std::make_pair(WTFMove(keyIDs.first()), KeyStatus::Usable)); |
| callback(false, makeOptional(WTFMove(keyStatuses)), WTF::nullopt, WTF::nullopt, Succeeded); |
| return; |
| } |
| |
| m_updateLicenseCallback = WTFMove(callback); |
| } |
| |
| void CDMInstanceSessionFairPlayStreamingAVFObjC::loadSession(LicenseType licenseType, const String& sessionId, const String& origin, LoadSessionCallback&& callback) |
| { |
| UNUSED_PARAM(origin); |
| if (licenseType == LicenseType::PersistentUsageRecord) { |
| auto* storageURL = m_instance->storageURL(); |
| if (!m_instance->persistentStateAllowed() || storageURL) { |
| callback(WTF::nullopt, WTF::nullopt, WTF::nullopt, Failed, SessionLoadFailure::MismatchedSessionType); |
| return; |
| } |
| auto* certificate = m_instance->serverCertificate(); |
| if (!certificate) { |
| callback(WTF::nullopt, WTF::nullopt, WTF::nullopt, Failed, SessionLoadFailure::NoSessionData); |
| return; |
| } |
| |
| RetainPtr<NSData> appIdentifier = certificate->createNSData(); |
| KeyStatusVector changedKeys; |
| for (NSData* expiredSessionData in [PAL::getAVContentKeySessionClass() pendingExpiredSessionReportsWithAppIdentifier:appIdentifier.get() storageDirectoryAtURL:storageURL]) { |
| NSDictionary *expiredSession = [NSPropertyListSerialization propertyListWithData:expiredSessionData options:kCFPropertyListImmutable format:nullptr error:nullptr]; |
| NSString *playbackSessionIdValue = (NSString *)[expiredSession objectForKey:PlaybackSessionIdKey]; |
| if (![playbackSessionIdValue isKindOfClass:[NSString class]]) |
| continue; |
| |
| if (sessionId == String(playbackSessionIdValue)) { |
| // FIXME(rdar://problem/35934922): use key values stored in expired session report once available |
| changedKeys.append((KeyStatusVector::ValueType){ SharedBuffer::create(), KeyStatus::Released }); |
| m_expiredSessions.append(expiredSessionData); |
| } |
| } |
| |
| if (changedKeys.isEmpty()) { |
| callback(WTF::nullopt, WTF::nullopt, WTF::nullopt, Failed, SessionLoadFailure::NoSessionData); |
| return; |
| } |
| |
| callback(WTFMove(changedKeys), WTF::nullopt, WTF::nullopt, Succeeded, SessionLoadFailure::None); |
| } |
| } |
| |
| void CDMInstanceSessionFairPlayStreamingAVFObjC::closeSession(const String&, CloseSessionCallback&& callback) |
| { |
| if (m_requestLicenseCallback) { |
| m_requestLicenseCallback(SharedBuffer::create(), m_sessionId, false, Failed); |
| ASSERT(!m_requestLicenseCallback); |
| } |
| if (m_updateLicenseCallback) { |
| m_updateLicenseCallback(true, WTF::nullopt, WTF::nullopt, WTF::nullopt, Failed); |
| ASSERT(!m_updateLicenseCallback); |
| } |
| if (m_removeSessionDataCallback) { |
| m_removeSessionDataCallback({ }, WTF::nullopt, Failed); |
| ASSERT(!m_removeSessionDataCallback); |
| } |
| m_currentRequest = WTF::nullopt; |
| m_pendingRequests.clear(); |
| m_requests.clear(); |
| callback(); |
| } |
| |
| void CDMInstanceSessionFairPlayStreamingAVFObjC::removeSessionData(const String& sessionId, LicenseType licenseType, RemoveSessionDataCallback&& callback) |
| { |
| if (m_group) |
| [m_group expire]; |
| else |
| [m_session expire]; |
| |
| if (licenseType == LicenseType::PersistentUsageRecord) { |
| auto* storageURL = m_instance->storageURL(); |
| auto* certificate = m_instance->serverCertificate(); |
| |
| if (!m_instance->persistentStateAllowed() || !storageURL || !certificate) { |
| callback({ }, WTF::nullopt, Failed); |
| return; |
| } |
| |
| RetainPtr<NSData> appIdentifier = certificate->createNSData(); |
| RetainPtr<NSMutableArray> expiredSessionsArray = adoptNS([[NSMutableArray alloc] init]); |
| KeyStatusVector changedKeys; |
| for (NSData* expiredSessionData in [PAL::getAVContentKeySessionClass() pendingExpiredSessionReportsWithAppIdentifier:appIdentifier.get() storageDirectoryAtURL:storageURL]) { |
| NSDictionary *expiredSession = [NSPropertyListSerialization propertyListWithData:expiredSessionData options:kCFPropertyListImmutable format:nullptr error:nullptr]; |
| NSString *playbackSessionIdValue = (NSString *)[expiredSession objectForKey:PlaybackSessionIdKey]; |
| if (![playbackSessionIdValue isKindOfClass:[NSString class]]) |
| continue; |
| |
| if (sessionId == String(playbackSessionIdValue)) { |
| // FIXME(rdar://problem/35934922): use key values stored in expired session report once available |
| changedKeys.append((KeyStatusVector::ValueType){ SharedBuffer::create(), KeyStatus::Released }); |
| m_expiredSessions.append(expiredSessionData); |
| [expiredSessionsArray addObject:expiredSession]; |
| } |
| } |
| |
| RetainPtr<NSData> expiredSessionsData = [NSPropertyListSerialization dataWithPropertyList:expiredSessionsArray.get() format:NSPropertyListBinaryFormat_v1_0 options:kCFPropertyListImmutable error:nullptr]; |
| |
| callback(WTFMove(changedKeys), SharedBuffer::create(expiredSessionsData.get()), Succeeded); |
| } |
| } |
| |
| void CDMInstanceSessionFairPlayStreamingAVFObjC::storeRecordOfKeyUsage(const String&) |
| { |
| // no-op; key usage data is stored automatically. |
| } |
| |
| void CDMInstanceSessionFairPlayStreamingAVFObjC::setClient(WeakPtr<CDMInstanceSessionClient>&& client) |
| { |
| m_client = WTFMove(client); |
| } |
| |
| void CDMInstanceSessionFairPlayStreamingAVFObjC::clearClient() |
| { |
| m_client = nullptr; |
| } |
| |
| void CDMInstanceSessionFairPlayStreamingAVFObjC::didProvideRequest(AVContentKeyRequest *request) |
| { |
| auto initDataType = initTypeForRequest(request); |
| if (initDataType == emptyAtom()) |
| return; |
| |
| Request currentRequest = { initDataType, { request } }; |
| |
| if (m_currentRequest) { |
| m_pendingRequests.append(WTFMove(currentRequest)); |
| return; |
| } |
| |
| m_currentRequest = currentRequest; |
| m_requests.append(WTFMove(currentRequest)); |
| |
| RetainPtr<NSData> appIdentifier; |
| if (auto* certificate = m_instance->serverCertificate()) |
| appIdentifier = certificate->createNSData(); |
| |
| auto keyIDs = keyIDsForRequest(request); |
| if (keyIDs.isEmpty()) { |
| if (m_requestLicenseCallback) { |
| m_requestLicenseCallback(SharedBuffer::create(), m_sessionId, false, Failed); |
| ASSERT(!m_requestLicenseCallback); |
| } |
| return; |
| } |
| |
| RetainPtr<NSData> contentIdentifier = keyIDs.first()->createNSData(); |
| [request makeStreamingContentKeyRequestDataForApp:appIdentifier.get() contentIdentifier:contentIdentifier.get() options:nil completionHandler:[this, weakThis = makeWeakPtr(*this)] (NSData *contentKeyRequestData, NSError *error) mutable { |
| callOnMainThread([this, weakThis = WTFMove(weakThis), error = retainPtr(error), contentKeyRequestData = retainPtr(contentKeyRequestData)] { |
| if (!weakThis) |
| return; |
| |
| sessionIdentifierChanged(m_session.get().contentProtectionSessionIdentifier); |
| |
| if (error && m_requestLicenseCallback) |
| m_requestLicenseCallback(SharedBuffer::create(), m_sessionId, false, Failed); |
| else if (m_requestLicenseCallback) |
| m_requestLicenseCallback(SharedBuffer::create(contentKeyRequestData.get()), m_sessionId, false, Succeeded); |
| else if (m_client) |
| m_client->sendMessage(CDMMessageType::LicenseRequest, SharedBuffer::create(contentKeyRequestData.get())); |
| ASSERT(!m_requestLicenseCallback); |
| }); |
| }]; |
| } |
| |
| void CDMInstanceSessionFairPlayStreamingAVFObjC::didProvideRequests(Vector<RetainPtr<AVContentKeyRequest>>&& requests) |
| { |
| if (requests.isEmpty()) |
| return; |
| |
| auto initDataType = initTypeForRequest(requests.first().get()); |
| if (initDataType != InitDataRegistry::cencName()) { |
| didProvideRequest(requests.first().get()); |
| requests.remove(0); |
| |
| for (auto& request : requests) |
| m_pendingRequests.append({ initDataType, { WTFMove(request) } }); |
| |
| return; |
| } |
| |
| Request currentRequest = { initDataType, WTFMove(requests) }; |
| if (m_currentRequest) { |
| m_pendingRequests.append(WTFMove(currentRequest)); |
| return; |
| } |
| |
| m_currentRequest = currentRequest; |
| m_requests.append(WTFMove(currentRequest)); |
| |
| RetainPtr<NSData> appIdentifier; |
| if (auto* certificate = m_instance->serverCertificate()) |
| appIdentifier = certificate->createNSData(); |
| |
| using RequestsData = Vector<std::pair<RefPtr<SharedBuffer>, RetainPtr<NSData>>>; |
| struct CallbackAggregator final : public ThreadSafeRefCounted<CallbackAggregator> { |
| using CallbackFunction = Function<void(RequestsData&&)>; |
| static RefPtr<CallbackAggregator> create(CallbackFunction&& completionHandler) |
| { |
| return adoptRef(new CallbackAggregator(WTFMove(completionHandler))); |
| } |
| |
| explicit CallbackAggregator(Function<void(RequestsData&&)>&& completionHandler) |
| : m_completionHandler(WTFMove(completionHandler)) |
| { |
| } |
| |
| ~CallbackAggregator() |
| { |
| callOnMainThread([completionHandler = WTFMove(m_completionHandler), requestsData = WTFMove(requestsData)] () mutable { |
| completionHandler(WTFMove(requestsData)); |
| }); |
| } |
| |
| CompletionHandler<void(RequestsData&&)> m_completionHandler; |
| RequestsData requestsData; |
| }; |
| |
| auto aggregator = CallbackAggregator::create([this, weakThis = makeWeakPtr(*this)] (RequestsData&& requestsData) { |
| if (!weakThis) |
| return; |
| |
| if (!m_requestLicenseCallback) |
| return; |
| |
| if (requestsData.isEmpty()) { |
| m_requestLicenseCallback(SharedBuffer::create(), m_sessionId, false, Failed); |
| return; |
| } |
| |
| auto requestJSON = JSON::Array::create(); |
| for (auto& requestData : requestsData) { |
| auto entry = JSON::Object::create(); |
| auto& keyID = requestData.first; |
| auto& payload = requestData.second; |
| entry->setString("keyID", base64Encode(keyID->data(), keyID->size())); |
| entry->setString("payload", base64Encode(payload.get().bytes, payload.get().length)); |
| requestJSON->pushObject(WTFMove(entry)); |
| } |
| auto requestBuffer = utf8Buffer(requestJSON->toJSONString()); |
| if (!requestBuffer) { |
| m_requestLicenseCallback(SharedBuffer::create(), m_sessionId, false, Failed); |
| return; |
| } |
| m_requestLicenseCallback(requestBuffer.releaseNonNull(), m_sessionId, false, Succeeded); |
| }); |
| |
| for (auto request : m_currentRequest.value().requests) { |
| auto keyIDs = keyIDsForRequest(request.get()); |
| RefPtr<SharedBuffer> keyID = WTFMove(keyIDs.first()); |
| auto contentIdentifier = keyID->createNSData(); |
| [request makeStreamingContentKeyRequestDataForApp:appIdentifier.get() contentIdentifier:contentIdentifier.get() options:nil completionHandler:[keyID = WTFMove(keyID), aggregator = aggregator.copyRef()] (NSData *contentKeyRequestData, NSError *error) mutable { |
| UNUSED_PARAM(error); |
| callOnMainThread([keyID = WTFMove(keyID), aggregator = WTFMove(aggregator), contentKeyRequestData = retainPtr(contentKeyRequestData)] () mutable { |
| aggregator->requestsData.append({ WTFMove(keyID), WTFMove(contentKeyRequestData) }); |
| }); |
| }]; |
| } |
| } |
| |
| void CDMInstanceSessionFairPlayStreamingAVFObjC::didProvideRenewingRequest(AVContentKeyRequest *request) |
| { |
| ASSERT(!m_requestLicenseCallback); |
| auto initDataType = initTypeForRequest(request); |
| if (initDataType == emptyAtom()) |
| return; |
| |
| Request currentRequest = { initDataType, { request } }; |
| if (m_currentRequest) { |
| m_pendingRequests.append(WTFMove(currentRequest)); |
| return; |
| } |
| |
| m_currentRequest = currentRequest; |
| |
| // The assumption here is that AVContentKeyRequest will only ever notify us of a renewing request as a result of calling |
| // -renewExpiringResponseDataForContentKeyRequest: with an existing request. |
| ASSERT(m_requests.contains(m_currentRequest)); |
| |
| RetainPtr<NSData> appIdentifier; |
| if (auto* certificate = m_instance->serverCertificate()) |
| appIdentifier = certificate->createNSData(); |
| auto keyIDs = keyIDsForRequest(m_currentRequest.value()); |
| |
| RetainPtr<NSData> contentIdentifier = keyIDs.first()->createNSData(); |
| [request makeStreamingContentKeyRequestDataForApp:appIdentifier.get() contentIdentifier:contentIdentifier.get() options:nil completionHandler:[this, weakThis = makeWeakPtr(*this)] (NSData *contentKeyRequestData, NSError *error) mutable { |
| callOnMainThread([this, weakThis = WTFMove(weakThis), error = retainPtr(error), contentKeyRequestData = retainPtr(contentKeyRequestData)] { |
| if (!weakThis || !m_client || error) |
| return; |
| |
| if (error && m_updateLicenseCallback) |
| m_updateLicenseCallback(false, WTF::nullopt, WTF::nullopt, WTF::nullopt, Failed); |
| else if (m_updateLicenseCallback) |
| m_updateLicenseCallback(false, WTF::nullopt, WTF::nullopt, Message(MessageType::LicenseRenewal, SharedBuffer::create(contentKeyRequestData.get())), Succeeded); |
| else if (m_client) |
| m_client->sendMessage(CDMMessageType::LicenseRenewal, SharedBuffer::create(contentKeyRequestData.get())); |
| ASSERT(!m_updateLicenseCallback); |
| }); |
| }]; |
| } |
| |
| void CDMInstanceSessionFairPlayStreamingAVFObjC::didProvidePersistableRequest(AVContentKeyRequest *request) |
| { |
| UNUSED_PARAM(request); |
| } |
| |
| void CDMInstanceSessionFairPlayStreamingAVFObjC::didFailToProvideRequest(AVContentKeyRequest *request, NSError *error) |
| { |
| UNUSED_PARAM(request); |
| UNUSED_PARAM(error); |
| |
| if (m_updateResponseCollector) { |
| m_updateResponseCollector->addErrorResponse(request, error); |
| return; |
| } |
| |
| if (m_updateLicenseCallback) { |
| m_updateLicenseCallback(false, WTF::nullopt, WTF::nullopt, WTF::nullopt, Failed); |
| ASSERT(!m_updateLicenseCallback); |
| } |
| |
| m_currentRequest = WTF::nullopt; |
| |
| nextRequest(); |
| } |
| |
| void CDMInstanceSessionFairPlayStreamingAVFObjC::requestDidSucceed(AVContentKeyRequest *request) |
| { |
| UNUSED_PARAM(request); |
| if (m_updateResponseCollector) { |
| m_updateResponseCollector->addSuccessfulResponse(request, nullptr); |
| return; |
| } |
| |
| if (m_updateLicenseCallback) { |
| m_updateLicenseCallback(false, makeOptional(keyStatuses()), WTF::nullopt, WTF::nullopt, Succeeded); |
| ASSERT(!m_updateLicenseCallback); |
| } |
| |
| m_currentRequest = WTF::nullopt; |
| |
| nextRequest(); |
| } |
| |
| void CDMInstanceSessionFairPlayStreamingAVFObjC::nextRequest() |
| { |
| if (m_pendingRequests.isEmpty()) |
| return; |
| |
| Request nextRequest = WTFMove(m_pendingRequests.first()); |
| m_pendingRequests.remove(0); |
| |
| if (nextRequest.requests.isEmpty()) |
| return; |
| |
| if (nextRequest.initType == InitDataRegistry::cencName()) { |
| didProvideRequests(WTFMove(nextRequest.requests)); |
| return; |
| } |
| |
| ASSERT(nextRequest.requests.size() == 1); |
| auto* oneRequest = nextRequest.requests.first().get(); |
| if (oneRequest.renewsExpiringResponseData) |
| didProvideRenewingRequest(oneRequest); |
| else |
| didProvideRequest(oneRequest); |
| } |
| |
| AVContentKeyRequest* CDMInstanceSessionFairPlayStreamingAVFObjC::lastKeyRequest() const |
| { |
| if (m_requests.isEmpty()) |
| return nil; |
| auto& lastRequest = m_requests.last(); |
| if (lastRequest.requests.isEmpty()) |
| return nil; |
| return lastRequest.requests.last().get(); |
| } |
| |
| bool CDMInstanceSessionFairPlayStreamingAVFObjC::shouldRetryRequestForReason(AVContentKeyRequest *request, NSString *reason) |
| { |
| UNUSED_PARAM(request); |
| UNUSED_PARAM(reason); |
| notImplemented(); |
| return false; |
| } |
| |
| void CDMInstanceSessionFairPlayStreamingAVFObjC::sessionIdentifierChanged(NSData *sessionIdentifier) |
| { |
| String sessionId = emptyString(); |
| if (sessionIdentifier) |
| sessionId = adoptNS([[NSString alloc] initWithData:sessionIdentifier encoding:NSUTF8StringEncoding]).get(); |
| |
| if (m_sessionId == sessionId) |
| return; |
| |
| m_sessionId = sessionId; |
| m_client->sessionIdChanged(m_sessionId); |
| } |
| |
| void CDMInstanceSessionFairPlayStreamingAVFObjC::groupSessionIdentifierChanged(AVContentKeyReportGroup* group, NSData *sessionIdentifier) |
| { |
| UNUSED_PARAM(group); |
| sessionIdentifierChanged(sessionIdentifier); |
| } |
| |
| static auto requestStatusToCDMStatus(AVContentKeyRequestStatus status) |
| { |
| switch (status) { |
| case AVContentKeyRequestStatusRequestingResponse: |
| case AVContentKeyRequestStatusRetried: |
| return CDMKeyStatus::StatusPending; |
| case AVContentKeyRequestStatusReceivedResponse: |
| case AVContentKeyRequestStatusRenewed: |
| return CDMKeyStatus::Usable; |
| case AVContentKeyRequestStatusCancelled: |
| return CDMKeyStatus::Released; |
| case AVContentKeyRequestStatusFailed: |
| return CDMKeyStatus::InternalError; |
| } |
| } |
| |
| CDMInstanceSession::KeyStatusVector CDMInstanceSessionFairPlayStreamingAVFObjC::keyStatuses() const |
| { |
| KeyStatusVector keyStatuses; |
| |
| for (auto& request : m_requests) { |
| for (auto& oneRequest : request.requests) { |
| auto keyIDs = keyIDsForRequest(oneRequest.get()); |
| auto status = requestStatusToCDMStatus(oneRequest.get().status); |
| if (m_outputObscured) |
| status = CDMKeyStatus::OutputRestricted; |
| |
| for (auto& keyID : keyIDs) |
| keyStatuses.append({ WTFMove(keyID), status }); |
| } |
| } |
| |
| return keyStatuses; |
| } |
| |
| void CDMInstanceSessionFairPlayStreamingAVFObjC::outputObscuredDueToInsufficientExternalProtectionChanged(bool obscured) |
| { |
| if (obscured == m_outputObscured) |
| return; |
| |
| m_outputObscured = obscured; |
| |
| if (m_client) |
| m_client->updateKeyStatuses(keyStatuses()); |
| } |
| |
| bool CDMInstanceSessionFairPlayStreamingAVFObjC::ensureSessionOrGroup() |
| { |
| if (m_session || m_group) |
| return true; |
| |
| if (auto* session = m_instance->contentKeySession()) { |
| m_group = [session makeContentKeyGroup]; |
| return true; |
| } |
| |
| auto storageURL = m_instance->storageURL(); |
| if (!m_instance->persistentStateAllowed() || !storageURL) |
| m_session = [PAL::getAVContentKeySessionClass() contentKeySessionWithKeySystem:AVContentKeySystemFairPlayStreaming]; |
| else |
| m_session = [PAL::getAVContentKeySessionClass() contentKeySessionWithKeySystem:AVContentKeySystemFairPlayStreaming storageDirectoryAtURL:storageURL]; |
| |
| if (!m_session) |
| return false; |
| |
| [m_session setDelegate:m_delegate.get() queue:dispatch_get_main_queue()]; |
| return true; |
| } |
| |
| bool CDMInstanceSessionFairPlayStreamingAVFObjC::isLicenseTypeSupported(LicenseType licenseType) const |
| { |
| switch (licenseType) { |
| case CDMSessionType::PersistentLicense: |
| return m_instance->persistentStateAllowed() && m_instance->supportsPersistentKeys(); |
| case CDMSessionType::PersistentUsageRecord: |
| return m_instance->persistentStateAllowed() && m_instance->supportsPersistableState(); |
| case CDMSessionType::Temporary: |
| return true; |
| } |
| } |
| |
| } |
| |
| #endif // ENABLE(ENCRYPTED_MEDIA) && HAVE(AVCONTENTKEYSESSION) |
