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/*
* Copyright (C) 2012 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 "CDMPrivateAVFoundation.h"
#if ENABLE(ENCRYPTED_MEDIA_V2) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 1090
#import "CDM.h"
#import "ExceptionCode.h"
#import "MediaPlayer.h"
#import "MediaPlayerPrivateAVFoundationObjC.h"
#import "SoftLinking.h"
#import "UUID.h"
#import <AVFoundation/AVFoundation.h>
#import <objc/objc-runtime.h>
namespace WebCore {
class CDMSessionAVFoundation : public CDMSession {
public:
CDMSessionAVFoundation(CDMPrivateAVFoundation* parent);
virtual ~CDMSessionAVFoundation() { }
virtual const String& sessionId() const OVERRIDE { return m_sessionId; }
virtual PassRefPtr<Uint8Array> generateKeyRequest(const String& mimeType, Uint8Array* initData, String& destinationURL, unsigned short& errorCode, unsigned long& systemCode) OVERRIDE;
virtual void releaseKeys() OVERRIDE;
virtual bool update(Uint8Array*, RefPtr<Uint8Array>& nextMessage, unsigned short& errorCode, unsigned long& systemCode) OVERRIDE;
protected:
CDMPrivateAVFoundation* m_parent;
String m_sessionId;
RetainPtr<AVAssetResourceLoadingRequest> m_request;
};
SOFT_LINK_FRAMEWORK_OPTIONAL(AVFoundation)
SOFT_LINK_CLASS(AVFoundation, AVURLAsset)
SOFT_LINK_CLASS(AVFoundation, AVAssetResourceLoadingRequest)
#define AVURLAsset getAVURLAssetClass()
#define AVAssetResourceLoadingRequest getAVAssetResourceLoadingRequest()
bool CDMPrivateAVFoundation::supportsKeySytem(const String& keySystem)
{
return equalIgnoringCase(keySystem, "com.apple.fps") || equalIgnoringCase(keySystem, "com.apple.fps.1_0");
}
bool CDMPrivateAVFoundation::supportsMIMEType(const String& mimeType)
{
return [AVURLAsset isPlayableExtendedMIMEType:mimeType];
}
PassOwnPtr<CDMSession> CDMPrivateAVFoundation::createSession()
{
return adoptPtr(new CDMSessionAVFoundation(this));
}
CDMSessionAVFoundation::CDMSessionAVFoundation(CDMPrivateAVFoundation* parent)
: m_parent(parent)
, m_sessionId(createCanonicalUUIDString())
{
}
PassRefPtr<Uint8Array> CDMSessionAVFoundation::generateKeyRequest(const String& mimeType, Uint8Array* initData, String& destinationURL, unsigned short& errorCode, unsigned long& systemCode)
{
UNUSED_PARAM(mimeType);
MediaPlayer* mediaPlayer = m_parent->cdm()->mediaPlayer();
if (!mediaPlayer) {
errorCode = NOT_SUPPORTED_ERR;
return 0;
}
String keyURI;
String keyID;
RefPtr<Uint8Array> certificate;
if (!MediaPlayerPrivateAVFoundationObjC::extractKeyURIKeyIDAndCertificateFromInitData(initData, keyURI, keyID, certificate)) {
errorCode = INVALID_STATE_ERR;
return 0;
}
m_request = MediaPlayerPrivateAVFoundationObjC::takeRequestForPlayerAndKeyURI(mediaPlayer, keyURI);
if (!m_request) {
errorCode = INVALID_STATE_ERR;
return 0;
}
m_sessionId = createCanonicalUUIDString();
RetainPtr<NSData> certificateData = adoptNS([[NSData alloc] initWithBytes:certificate->baseAddress() length:certificate->byteLength()]);
NSString* assetStr = keyID;
RetainPtr<NSData> assetID = [NSData dataWithBytes: [assetStr cStringUsingEncoding:NSUTF8StringEncoding] length:[assetStr lengthOfBytesUsingEncoding:NSUTF8StringEncoding]];
NSError* error = 0;
RetainPtr<NSData> keyRequest = [m_request.get() streamingContentKeyRequestDataForApp:certificateData.get() contentIdentifier:assetID.get() options:nil error:&error];
if (!keyRequest) {
NSError* underlyingError = [[error userInfo] objectForKey:NSUnderlyingErrorKey];
errorCode = CDM::DomainError;
systemCode = [underlyingError code];
return 0;
}
errorCode = 0;
systemCode = 0;
destinationURL = String();
RefPtr<ArrayBuffer> keyRequestBuffer = ArrayBuffer::create([keyRequest.get() bytes], [keyRequest.get() length]);
return Uint8Array::create(keyRequestBuffer, 0, keyRequestBuffer->byteLength());
}
void CDMSessionAVFoundation::releaseKeys()
{
}
bool CDMSessionAVFoundation::update(Uint8Array* key, RefPtr<Uint8Array>& nextMessage, unsigned short& errorCode, unsigned long& systemCode)
{
if (!key)
return false;
RetainPtr<NSData> keyData = adoptNS([[NSData alloc] initWithBytes:key->baseAddress() length:key->byteLength()]);
[[m_request.get() dataRequest] respondWithData:keyData.get()];
[m_request.get() finishLoading];
errorCode = 0;
systemCode = 0;
nextMessage = nullptr;
return true;
}
}
#endif
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