1/* 2 * Copyright (C) 2014 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#include "config.h" 27#include "CDMSessionAVFoundationCF.h" 28 29#if ENABLE(ENCRYPTED_MEDIA_V2) && HAVE(AVFOUNDATION_LEGIBLE_OUTPUT_SUPPORT) 30 31#include "CDM.h" 32#include "CDMSession.h" 33#include "ExceptionCode.h" 34#include "MediaPlayer.h" 35#include "MediaPlayerPrivateAVFoundationCF.h" 36#include "NotImplemented.h" 37#include "SoftLinking.h" 38#include "UUID.h" 39#include <AVFoundationCF/AVFoundationCF.h> 40#include <wtf/text/CString.h> 41 42// The softlink header files must be included after the AVCF and CoreMedia header files. 43#include "AVFoundationCFSoftLinking.h" 44 45namespace WebCore { 46 47CDMSessionAVFoundationCF::CDMSessionAVFoundationCF(MediaPlayerPrivateAVFoundationCF* parent) 48 : m_parent(parent) 49 , m_client(nullptr) 50 , m_sessionId(createCanonicalUUIDString()) 51{ 52} 53 54PassRefPtr<Uint8Array> CDMSessionAVFoundationCF::generateKeyRequest(const String& mimeType, Uint8Array* initData, String& destinationURL, unsigned short& errorCode, unsigned long& systemCode) 55{ 56 UNUSED_PARAM(mimeType); 57 58 String keyURI; 59 String keyID; 60 RefPtr<Uint8Array> certificate; 61 if (!MediaPlayerPrivateAVFoundationCF::extractKeyURIKeyIDAndCertificateFromInitData(initData, keyURI, keyID, certificate)) { 62 errorCode = MediaPlayer::InvalidPlayerState; 63 return nullptr; 64 } 65 66 m_request = m_parent->takeRequestForKeyURI(keyURI); 67 if (!m_request) { 68 errorCode = MediaPlayer::InvalidPlayerState; 69 return nullptr; 70 } 71 72 RetainPtr<CFMutableDataRef> certificateData = adoptCF(CFDataCreateMutable(kCFAllocatorDefault, certificate->byteLength())); 73 CFDataAppendBytes(certificateData.get(), reinterpret_cast<const UInt8*>(certificate->baseAddress()), certificate->byteLength()); 74 75 CString assetStr = keyID.utf8(); 76 RetainPtr<CFMutableDataRef> assetID = adoptCF(CFDataCreateMutable(kCFAllocatorDefault, assetStr.length())); 77 CFDataAppendBytes(assetID.get(), reinterpret_cast<const UInt8*>(assetStr.data()), assetStr.length()); 78 79 CFErrorRef cfError = nullptr; 80 RetainPtr<CFDataRef> keyRequest = AVCFAssetResourceLoadingRequestCreateStreamingContentKeyRequestDataForApp(m_request.get(), certificateData.get(), assetID.get(), nullptr, &cfError); 81 82 if (!keyRequest) { 83 RetainPtr<CFDictionaryRef> userInfo; 84 if (cfError) { 85 userInfo = adoptCF(CFErrorCopyUserInfo(cfError)); 86 87 if (userInfo) { 88 CFErrorRef underlyingError = (CFErrorRef)CFDictionaryGetValue(userInfo.get(), kCFErrorUnderlyingErrorKey); 89 if (underlyingError) 90 systemCode = CFErrorGetCode(underlyingError); 91 } 92 93 CFRelease(cfError); 94 } 95 96 return nullptr; 97 } 98 99 errorCode = MediaPlayer::NoError; 100 systemCode = 0; 101 destinationURL = String(); 102 103 RefPtr<ArrayBuffer> keyRequestBuffer = ArrayBuffer::create(CFDataGetBytePtr(keyRequest.get()), CFDataGetLength(keyRequest.get())); 104 return Uint8Array::create(keyRequestBuffer, 0, keyRequestBuffer->byteLength()); 105} 106 107void CDMSessionAVFoundationCF::releaseKeys() 108{ 109} 110 111bool CDMSessionAVFoundationCF::update(Uint8Array* key, RefPtr<Uint8Array>& nextMessage, unsigned short& errorCode, unsigned long& systemCode) 112{ 113 RetainPtr<CFMutableDataRef> keyData = adoptCF(CFDataCreateMutable(kCFAllocatorDefault, key->byteLength())); 114 CFDataAppendBytes(keyData.get(), reinterpret_cast<const UInt8*>(key->baseAddress()), key->byteLength()); 115 116 // TODO: AVCFAssetResourceLoadingDataRequestRespondWithData(m_request.get(), keyData.get()); 117 // TODO: AVCFAssetResourceLoadingRequestFinishedLoading(m_request.get()); 118 notImplemented(); 119 120 errorCode = MediaPlayer::NoError; 121 systemCode = 0; 122 nextMessage = nullptr; 123 124 return true; 125} 126 127} 128 129#endif 130