f6c2a60485
This merges the following changes from the Widevine CDM repository: 564f4cc Add CdmClientPropertySet to CDM Adds an interface to the CDM that allows it to query its client for certain properties. In this case, this includes the ability to specify what security level is desired, as well as support for service ceritifcate privacy mode. 9cfbd3e Force Level 3 fallback Adds support for voluntarily invoking L3 crypto to the OEMCrypto wrapper. 95d12c1 Add pointer to CdmClientPropertySet class to OpenSession. Adds support for storing the property set on a session-by-session basis and choosing the appropriate crypto level. 17de442 Add Settable Properties for Clank to Android Adds support for setting the aforementioned properties to the DrmEngine bbe704d Fixes to force fallback to level three security Corrections to invoke provisioning, OEMCrypto API with configured security level rather than the default. Unit tests were also revised. Note that some parts of this are also support for the ability to use a service certificate-based privacy mode. The remaining code for supporting this mode is still forthcoming. Bug: 10109249 Change-Id: I2755e4dea1de3e8a56cff237360298f7b7f1bddc
97 lines
3.6 KiB
C++
97 lines
3.6 KiB
C++
// Copyright 2013 Google Inc. All Rights Reserved.
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#ifndef CDM_BASE_WV_CONTENT_DECRYPTION_MODULE_H_
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#define CDM_BASE_WV_CONTENT_DECRYPTION_MODULE_H_
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#include "wv_cdm_types.h"
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#include "utils/UniquePtr.h"
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namespace wvcdm {
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class CdmClientPropertySet;
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class CdmEngine;
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class WvCdmEventListener;
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class WvContentDecryptionModule {
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public:
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WvContentDecryptionModule();
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virtual ~WvContentDecryptionModule();
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// Session related methods
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virtual CdmResponseType OpenSession(
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const CdmKeySystem& key_system,
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const CdmClientPropertySet* property_set,
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CdmSessionId* session_id);
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virtual CdmResponseType CloseSession(const CdmSessionId& session_id);
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// Construct a valid license request.
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virtual CdmResponseType GenerateKeyRequest(const CdmSessionId& session_id,
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const CdmKeySetId& key_set_id,
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const CdmInitData& init_data,
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const CdmLicenseType license_type,
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CdmAppParameterMap& app_parameters,
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CdmKeyMessage* key_request,
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std::string* server_url);
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// Accept license response and extract key info.
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virtual CdmResponseType AddKey(const CdmSessionId& session_id,
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const CdmKeyResponse& key_data,
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CdmKeySetId* key_set_id);
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// Setup keys for offline usage which were retrived in an earlier key request
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virtual CdmResponseType RestoreKey(const CdmSessionId& session_id,
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const CdmKeySetId& key_set_id);
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// Cancel session
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virtual CdmResponseType CancelKeyRequest(const CdmSessionId& session_id);
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// Query system information
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virtual CdmResponseType QueryStatus(CdmQueryMap* key_info);
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// Query license information
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virtual CdmResponseType QueryKeyStatus(const CdmSessionId& session_id,
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CdmQueryMap* key_info);
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// Query session control information
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virtual CdmResponseType QueryKeyControlInfo(const CdmSessionId& session_id,
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CdmQueryMap* key_info);
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// Provisioning related methods
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virtual CdmResponseType GetProvisioningRequest(
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CdmProvisioningRequest* request, std::string* default_url);
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virtual CdmResponseType HandleProvisioningResponse(
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CdmProvisioningResponse& response);
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// Secure stop related methods
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virtual CdmResponseType GetSecureStops(CdmSecureStops* secure_stops);
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virtual CdmResponseType ReleaseSecureStops(
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const CdmSecureStopReleaseMessage& message);
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// Accept encrypted buffer and decrypt data.
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// Decryption parameters that need to be specified are
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// is_encrypted, is_secure, key_id, encrypt_buffer, encrypt_length,
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// iv, block_offset, decrypt_buffer, decrypt_buffer_length,
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// decrypt_buffer_offset and subsample_flags
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virtual CdmResponseType Decrypt(const CdmSessionId& session_id,
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const CdmDecryptionParameters& parameters);
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// Event listener related methods
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virtual bool AttachEventListener(const CdmSessionId& session_id,
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WvCdmEventListener* listener);
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virtual bool DetachEventListener(const CdmSessionId& session_id,
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WvCdmEventListener* listener);
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private:
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// instance variables
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UniquePtr<CdmEngine> cdm_engine_;
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CORE_DISALLOW_COPY_AND_ASSIGN(WvContentDecryptionModule);
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};
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} // namespace wvcdm
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#endif // CDM_BASE_WV_CONTENT_DECRYPTION_MODULE_H_
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