111 lines
3.5 KiB
C++
111 lines
3.5 KiB
C++
// Copyright 2012 Google Inc. All Rights Reserved.
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#ifndef WVCDM_CORE_LICENSE_H_
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#define WVCDM_CORE_LICENSE_H_
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#include <set>
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#include "initialization_data.h"
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#include "scoped_ptr.h"
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#include "wv_cdm_types.h"
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namespace video_widevine_server {
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namespace sdk {
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class SignedMessage;
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class LicenseRequest;
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}
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} // namespace video_widevine_server
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namespace wvcdm {
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class Clock;
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class CryptoSession;
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class PolicyEngine;
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class CdmLicense {
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public:
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CdmLicense(const CdmSessionId& session_id);
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virtual ~CdmLicense();
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virtual bool Init(const std::string& token, CryptoSession* session,
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PolicyEngine* policy_engine);
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virtual CdmResponseType PrepareKeyRequest(
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const InitializationData& init_data, const CdmLicenseType license_type,
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const CdmAppParameterMap& app_parameters, CdmKeyMessage* signed_request,
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std::string* server_url);
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virtual CdmResponseType PrepareKeyUpdateRequest(
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bool is_renewal, const CdmAppParameterMap& app_parameters,
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CdmKeyMessage* signed_request, std::string* server_url);
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virtual CdmResponseType HandleKeyResponse(
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const CdmKeyResponse& license_response);
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virtual CdmResponseType HandleKeyUpdateResponse(
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bool is_renewal, const CdmKeyResponse& license_response);
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virtual bool RestoreOfflineLicense(
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const CdmKeyMessage& license_request,
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const CdmKeyResponse& license_response,
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const CdmKeyResponse& license_renewal_response,
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int64_t playback_start_time, int64_t last_playback_time);
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virtual bool RestoreLicenseForRelease(const CdmKeyMessage& license_request,
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const CdmKeyResponse& license_response);
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virtual bool HasInitData() { return stored_init_data_.get(); }
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virtual bool IsKeyLoaded(const KeyId& key_id);
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virtual std::string provider_session_token() {
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return provider_session_token_;
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}
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static CdmResponseType VerifySignedServiceCertificate(
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const std::string& signed_service_certificate);
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private:
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bool PrepareServiceCertificateRequest(CdmKeyMessage* signed_request,
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std::string* server_url);
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CdmResponseType HandleKeyErrorResponse(
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const video_widevine_server::sdk::SignedMessage& signed_message);
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CdmResponseType PrepareClientId(
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bool encrypt, const std::string& certificate,
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const CdmAppParameterMap& app_parameters,
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video_widevine_server::sdk::LicenseRequest* license_request);
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template <typename T>
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bool PrepareContentId(const CdmLicenseType license_type,
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const std::string& request_id, T* content_id);
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static CdmResponseType VerifyAndExtractSignedServiceCertificate(
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const std::string& signed_service_certificate,
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std::string* service_certificate);
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bool GetServiceCertificate(std::string* service_certificate);
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CryptoSession* session_;
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PolicyEngine* policy_engine_;
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std::string server_url_;
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std::string token_;
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const CdmSessionId session_id_;
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scoped_ptr<InitializationData> stored_init_data_;
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bool initialized_;
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std::set<KeyId> loaded_keys_;
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std::string provider_session_token_;
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bool renew_with_client_id_;
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// Used for certificate based licensing
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CdmKeyMessage key_request_;
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scoped_ptr<Clock> clock_;
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// For testing
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// CdmLicense takes ownership of the clock.
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CdmLicense(const CdmSessionId& session_id, Clock* clock);
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#if defined(UNIT_TEST)
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friend class CdmLicenseTest;
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#endif
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CORE_DISALLOW_COPY_AND_ASSIGN(CdmLicense);
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};
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} // namespace wvcdm
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#endif // WVCDM_CORE_LICENSE_H_
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