1a25cbdad6
Merge from Widevine repo of http://go/wvgerrit/47860 This CL updates the copyright notice to indicate that files shared with partners are shared under the Widevine Master License Agreement. bug: 77926774 test: comment change only Change-Id: I0423668111578b80fb39a932d763df2827e2dfc3
293 lines
9.4 KiB
C++
293 lines
9.4 KiB
C++
//
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// Copyright 2018 Google LLC. All Rights Reserved. This file and proprietary
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// source code may only be used and distributed under the Widevine Master
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// License Agreement.
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//
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#ifndef WV_DRM_PLUGIN_H_
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#define WV_DRM_PLUGIN_H_
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#include <stdint.h>
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#include <map>
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#include "cdm_client_property_set.h"
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#include "cdm_identifier.h"
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#include "media/drm/DrmAPI.h"
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#include "media/stagefright/foundation/ABase.h"
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#include "media/stagefright/foundation/AString.h"
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#include "OEMCryptoCENC.h"
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#include "utils/Errors.h"
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#include "utils/KeyedVector.h"
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#include "utils/List.h"
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#include "utils/String8.h"
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#include "utils/StrongPointer.h"
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#include "utils/Vector.h"
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#include "wv_cdm_event_listener.h"
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#include "wv_content_decryption_module.h"
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#include "WVGenericCryptoInterface.h"
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namespace wvdrm {
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using android::KeyedVector;
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using android::List;
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using android::status_t;
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using android::String8;
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using android::Vector;
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using std::map;
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using wvcdm::CdmIdentifier;
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using wvcdm::CdmKeyStatusMap;
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using wvcdm::CdmSessionId;
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using wvcdm::CdmResponseType;
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using wvcdm::WvContentDecryptionModule;
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const OEMCrypto_Algorithm kInvalidCryptoAlgorithm =
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static_cast<OEMCrypto_Algorithm>(-1);
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class WVDrmPlugin : public android::DrmPlugin,
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public wvcdm::WvCdmEventListener {
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public:
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WVDrmPlugin(const android::sp<wvcdm::WvContentDecryptionModule>& cdm,
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WVGenericCryptoInterface* crypto);
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virtual ~WVDrmPlugin();
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virtual status_t openSession(Vector<uint8_t>& sessionId);
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virtual status_t closeSession(const Vector<uint8_t>& sessionId);
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virtual status_t getKeyRequest(
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const Vector<uint8_t>& scope,
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const Vector<uint8_t>& initData,
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const String8& initDataType,
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KeyType keyType,
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const KeyedVector<String8, String8>& optionalParameters,
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Vector<uint8_t>& request,
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String8& defaultUrl,
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KeyRequestType *keyRequestType);
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virtual status_t provideKeyResponse(const Vector<uint8_t>& scope,
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const Vector<uint8_t>& response,
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Vector<uint8_t>& keySetId);
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virtual status_t removeKeys(const Vector<uint8_t>& sessionId);
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virtual status_t restoreKeys(const Vector<uint8_t>& sessionId,
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const Vector<uint8_t>& keySetId);
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virtual status_t queryKeyStatus(
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const Vector<uint8_t>& sessionId,
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KeyedVector<String8, String8>& infoMap) const;
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virtual status_t getProvisionRequest(const String8& cert_type,
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const String8& cert_authority,
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Vector<uint8_t>& request,
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String8& defaultUrl);
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virtual status_t provideProvisionResponse(const Vector<uint8_t>& response,
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Vector<uint8_t>& certificate,
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Vector<uint8_t>& wrapped_key);
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virtual status_t unprovisionDevice();
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virtual status_t getSecureStop(const Vector<uint8_t>& ssid,
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Vector<uint8_t>& secureStop);
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virtual status_t getSecureStops(List<Vector<uint8_t> >& secureStops);
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virtual status_t releaseAllSecureStops();
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virtual status_t releaseSecureStops(const Vector<uint8_t>& ssRelease);
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virtual status_t getPropertyString(const String8& name, String8& value) const;
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virtual status_t getPropertyByteArray(const String8& name,
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Vector<uint8_t>& value) const;
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virtual status_t setPropertyString(const String8& name, const String8& value);
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virtual status_t setPropertyByteArray(const String8& name,
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const Vector<uint8_t>& value);
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virtual status_t setCipherAlgorithm(const Vector<uint8_t>& sessionId,
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const String8& algorithm);
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virtual status_t setMacAlgorithm(const Vector<uint8_t>& sessionId,
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const String8& algorithm);
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virtual status_t encrypt(const Vector<uint8_t>& sessionId,
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const Vector<uint8_t>& keyId,
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const Vector<uint8_t>& input,
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const Vector<uint8_t>& iv,
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Vector<uint8_t>& output);
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virtual status_t decrypt(const Vector<uint8_t>& sessionId,
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const Vector<uint8_t>& keyId,
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const Vector<uint8_t>& input,
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const Vector<uint8_t>& iv,
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Vector<uint8_t>& output);
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virtual status_t sign(const Vector<uint8_t>& sessionId,
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const Vector<uint8_t>& keyId,
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const Vector<uint8_t>& message,
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Vector<uint8_t>& signature);
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virtual status_t verify(const Vector<uint8_t>& sessionId,
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const Vector<uint8_t>& keyId,
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const Vector<uint8_t>& message,
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const Vector<uint8_t>& signature,
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bool& match);
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virtual status_t signRSA(const Vector<uint8_t>& sessionId,
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const String8& algorithm,
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const Vector<uint8_t>& message,
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const Vector<uint8_t>& wrappedKey,
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Vector<uint8_t>& signature);
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virtual void OnSessionRenewalNeeded(const CdmSessionId& cdmSessionId);
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virtual void OnSessionKeysChange(const CdmSessionId& cdmSessionId,
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const CdmKeyStatusMap& cdmKeysStatus,
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bool hasNewUsableKey);
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virtual void OnExpirationUpdate(const CdmSessionId& cdmSessionId,
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int64_t newExpiryTimeSeconds);
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private:
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DISALLOW_EVIL_CONSTRUCTORS(WVDrmPlugin);
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struct CryptoSession {
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public:
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CryptoSession()
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: mOecSessionId(-1),
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mCipherAlgorithm(kInvalidCryptoAlgorithm),
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mMacAlgorithm(kInvalidCryptoAlgorithm) {}
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CryptoSession(OEMCrypto_SESSION sessionId)
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: mOecSessionId(sessionId),
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mCipherAlgorithm(kInvalidCryptoAlgorithm),
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mMacAlgorithm(kInvalidCryptoAlgorithm) {}
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OEMCrypto_SESSION oecSessionId() const { return mOecSessionId; }
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OEMCrypto_Algorithm cipherAlgorithm() const { return mCipherAlgorithm; }
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void setCipherAlgorithm(OEMCrypto_Algorithm newAlgorithm) {
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mCipherAlgorithm = newAlgorithm;
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}
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OEMCrypto_Algorithm macAlgorithm() const { return mMacAlgorithm; }
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void setMacAlgorithm(OEMCrypto_Algorithm newAlgorithm) {
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mMacAlgorithm = newAlgorithm;
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}
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private:
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OEMCrypto_SESSION mOecSessionId;
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OEMCrypto_Algorithm mCipherAlgorithm;
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OEMCrypto_Algorithm mMacAlgorithm;
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};
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class WVClientPropertySet : public wvcdm::CdmClientPropertySet {
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public:
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WVClientPropertySet()
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: mUsePrivacyMode(false), mShareKeys(false), mSessionSharingId(0) {}
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virtual ~WVClientPropertySet() {}
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virtual const std::string& security_level() const {
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return mSecurityLevel;
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}
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void set_security_level(const std::string& securityLevel) {
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mSecurityLevel = securityLevel;
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}
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virtual bool use_privacy_mode() const {
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return mUsePrivacyMode;
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}
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void set_use_privacy_mode(bool usePrivacyMode) {
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mUsePrivacyMode = usePrivacyMode;
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}
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virtual const std::string& service_certificate() const {
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return mServiceCertificate;
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}
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virtual void set_service_certificate(
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const std::string& serviceCertificate) {
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mServiceCertificate = serviceCertificate;
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}
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virtual bool is_session_sharing_enabled() const {
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return mShareKeys;
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}
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void set_is_session_sharing_enabled(bool shareKeys) {
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mShareKeys = shareKeys;
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}
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virtual uint32_t session_sharing_id() const {
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return mSessionSharingId;
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}
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virtual void set_session_sharing_id(uint32_t id) {
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mSessionSharingId = id;
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}
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virtual const std::string& app_id() const {
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return mAppId;
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}
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void set_app_id(const std::string& appId) {
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mAppId = appId;
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}
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private:
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DISALLOW_EVIL_CONSTRUCTORS(WVClientPropertySet);
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std::string mSecurityLevel;
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bool mUsePrivacyMode;
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std::string mServiceCertificate;
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bool mShareKeys;
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uint32_t mSessionSharingId;
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std::string mAppId;
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const std::string mEmptyString;
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} mPropertySet;
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android::sp<wvcdm::WvContentDecryptionModule> const mCDM;
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WVGenericCryptoInterface* mCrypto;
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map<CdmSessionId, CryptoSession> mCryptoSessions;
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CdmIdentifier mCdmIdentifier;
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status_t queryProperty(const std::string& property,
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std::string& stringValue) const;
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status_t queryProperty(wvcdm::SecurityLevel securityLevel,
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const std::string& property,
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std::string& stringValue) const;
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status_t queryProperty(const std::string& property,
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String8& string8_value) const;
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status_t queryProperty(const std::string& property,
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Vector<uint8_t>& vector_value) const;
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status_t mapAndNotifyOfCdmResponseType(const Vector<uint8_t>& sessionId,
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CdmResponseType res);
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status_t mapAndNotifyOfOEMCryptoResult(const Vector<uint8_t>& sessionId,
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OEMCryptoResult res);
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status_t mapOEMCryptoResult(OEMCryptoResult res);
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bool initDataResemblesPSSH(const Vector<uint8_t>& initData);
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status_t unprovision(const CdmIdentifier& identifier);
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};
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} // namespace wvdrm
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#endif // WV_DRM_PLUGIN_H_
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