137 lines
4.2 KiB
C++
137 lines
4.2 KiB
C++
// Copyright 2012 Google Inc. All Rights Reserved.
|
|
|
|
#ifndef WVCDM_CORE_LICENSE_H_
|
|
#define WVCDM_CORE_LICENSE_H_
|
|
|
|
#include <set>
|
|
|
|
#include "initialization_data.h"
|
|
#include "license_protocol.pb.h"
|
|
#include "scoped_ptr.h"
|
|
#include "service_certificate.h"
|
|
#include "wv_cdm_types.h"
|
|
|
|
namespace video_widevine {
|
|
class SignedMessage;
|
|
class LicenseRequest;
|
|
} // namespace video_widevine
|
|
|
|
namespace wvcdm {
|
|
|
|
class Clock;
|
|
class CryptoSession;
|
|
class PolicyEngine;
|
|
class CdmSession;
|
|
class CryptoKey;
|
|
|
|
class CdmLicense {
|
|
public:
|
|
CdmLicense(const CdmSessionId& session_id);
|
|
virtual ~CdmLicense();
|
|
|
|
virtual bool Init(
|
|
const std::string& client_token, CdmClientTokenType client_token_type,
|
|
const std::string& device_id, bool use_privacy_mode,
|
|
const std::string& signed_service_certificate, CryptoSession* session,
|
|
PolicyEngine* policy_engine);
|
|
|
|
virtual CdmResponseType PrepareKeyRequest(
|
|
const InitializationData& init_data, CdmLicenseType license_type,
|
|
const CdmAppParameterMap& app_parameters, CdmKeyMessage* signed_request,
|
|
std::string* server_url);
|
|
virtual CdmResponseType PrepareKeyUpdateRequest(
|
|
bool is_renewal, const CdmAppParameterMap& app_parameters,
|
|
CdmSession* cdm_session, CdmKeyMessage* signed_request,
|
|
std::string* server_url);
|
|
virtual CdmResponseType HandleKeyResponse(
|
|
const CdmKeyResponse& license_response);
|
|
virtual CdmResponseType HandleKeyUpdateResponse(
|
|
bool is_renewal, const CdmKeyResponse& license_response);
|
|
virtual CdmResponseType HandleSubLicense(const InitializationData& init_data);
|
|
|
|
virtual bool RestoreOfflineLicense(
|
|
const CdmKeyMessage& license_request,
|
|
const CdmKeyResponse& license_response,
|
|
const CdmKeyResponse& license_renewal_response,
|
|
int64_t playback_start_time, int64_t last_playback_time,
|
|
int64_t grace_period_end_time, CdmSession* cdm_session);
|
|
virtual bool RestoreLicenseForRelease(const CdmKeyMessage& license_request,
|
|
const CdmKeyResponse& license_response);
|
|
virtual bool HasInitData() { return stored_init_data_.get(); }
|
|
virtual bool IsKeyLoaded(const KeyId& key_id);
|
|
|
|
virtual std::string provider_session_token() {
|
|
return provider_session_token_;
|
|
}
|
|
|
|
virtual bool is_offline() {
|
|
return is_offline_;
|
|
}
|
|
|
|
static bool ExtractProviderSessionToken(
|
|
const CdmKeyResponse& license_response,
|
|
std::string* provider_session_token);
|
|
|
|
private:
|
|
|
|
CdmResponseType HandleKeyErrorResponse(
|
|
const video_widevine::SignedMessage& signed_message);
|
|
|
|
bool GetClientTokenType(
|
|
video_widevine::ClientIdentification::TokenType* token_type);
|
|
|
|
CdmResponseType PrepareClientId(
|
|
const CdmAppParameterMap& app_parameters,
|
|
video_widevine::LicenseRequest* license_request);
|
|
|
|
CdmResponseType PrepareContentId(
|
|
const InitializationData& init_data, CdmLicenseType license_type,
|
|
const std::string& request_id,
|
|
video_widevine::LicenseRequest* license_request);
|
|
|
|
template <typename T>
|
|
bool SetTypeAndId(CdmLicenseType license_type,
|
|
const std::string& request_id, T* content_id);
|
|
|
|
CryptoSession* crypto_session_;
|
|
PolicyEngine* policy_engine_;
|
|
std::string server_url_;
|
|
std::string client_token_;
|
|
CdmClientTokenType client_token_type_;
|
|
std::string device_id_;
|
|
const CdmSessionId session_id_;
|
|
scoped_ptr<InitializationData> stored_init_data_;
|
|
bool initialized_;
|
|
std::set<KeyId> loaded_keys_;
|
|
std::string provider_session_token_;
|
|
bool renew_with_client_id_;
|
|
bool is_offline_;
|
|
|
|
// Associated with ClientIdentification encryption
|
|
bool use_privacy_mode_;
|
|
ServiceCertificate service_certificate_;
|
|
|
|
// Used for certificate based licensing
|
|
CdmKeyMessage key_request_;
|
|
|
|
scoped_ptr<Clock> clock_;
|
|
|
|
// For testing
|
|
// CdmLicense takes ownership of the clock.
|
|
CdmLicense(const CdmSessionId& session_id, Clock* clock);
|
|
|
|
// For sublicense key embedding. This key array will be initilized with any
|
|
// sub session keys we may have received in a license response. These keys
|
|
// may be used to support key rotation.
|
|
std::vector<CryptoKey> sub_session_key_array_;
|
|
#if defined(UNIT_TEST)
|
|
friend class CdmLicenseTest;
|
|
#endif
|
|
|
|
CORE_DISALLOW_COPY_AND_ASSIGN(CdmLicense);
|
|
};
|
|
|
|
} // namespace wvcdm
|
|
|
|
#endif // WVCDM_CORE_LICENSE_H_
|