9a350eddbd
[ Merge of http://go/wvgerrit/119843 ] Creation and expiration times are extracted from the device DRM certificate. They are reported as * -1 if not set in the proto * 0 if unlimited * positive number otherwise Bug: 169740403 Test: WV unit, integraiton tests Change-Id: I9463954dfeb82b6a88ff5d608ed74d20f2424e83
110 lines
4.4 KiB
C++
110 lines
4.4 KiB
C++
// Copyright 2018 Google LLC. All Rights Reserved. This file and proprietary
|
|
// source code may only be used and distributed under the Widevine License
|
|
// Agreement.
|
|
|
|
#ifndef WVCDM_CORE_CERTIFICATE_PROVISIONING_H_
|
|
#define WVCDM_CORE_CERTIFICATE_PROVISIONING_H_
|
|
|
|
#include <memory>
|
|
#include <string>
|
|
|
|
#include "crypto_session.h"
|
|
#include "disallow_copy_and_assign.h"
|
|
#include "license_protocol.pb.h"
|
|
#include "metrics_collections.h"
|
|
#include "oemcrypto_adapter.h"
|
|
#include "service_certificate.h"
|
|
#include "wv_cdm_types.h"
|
|
|
|
namespace wvcdm {
|
|
|
|
class CdmClientPropertySet;
|
|
class CdmSession;
|
|
class FileSystem;
|
|
class ServiceCertificate;
|
|
|
|
class CertificateProvisioning {
|
|
public:
|
|
CertificateProvisioning(metrics::CryptoMetrics* metrics)
|
|
: crypto_session_(CryptoSession::MakeCryptoSession(metrics)),
|
|
cert_type_(kCertificateWidevine),
|
|
service_certificate_(new ServiceCertificate()) {}
|
|
~CertificateProvisioning() {}
|
|
|
|
CdmResponseType Init(const std::string& service_certificate);
|
|
|
|
// Construct a valid provisioning request.
|
|
// The request will be sent to the provisioning server.
|
|
CdmResponseType GetProvisioningRequest(SecurityLevel requested_security_level,
|
|
CdmCertificateType cert_type,
|
|
const std::string& cert_authority,
|
|
const std::string& origin,
|
|
const std::string& spoid,
|
|
CdmProvisioningRequest* request,
|
|
std::string* default_url);
|
|
|
|
// Process the provisioning response.
|
|
CdmResponseType HandleProvisioningResponse(
|
|
FileSystem* file_system, const CdmProvisioningResponse& response,
|
|
std::string* cert, std::string* wrapped_key);
|
|
|
|
bool supports_core_messages() const { return supports_core_messages_; }
|
|
|
|
// Helper methods
|
|
|
|
// Extract serial number and system ID from a DRM Device certificate.
|
|
// Either |serial_number| or |system_id| may be null, but not both.
|
|
// Both |creation_time_seconds| and |expiration_time_seconds| may be null.
|
|
// |creation_time_seconds| and |expiration_time_seconds| will be set to -1
|
|
// if not present, 0 if unlimited and a valid time otherwise
|
|
static bool ExtractDeviceInfo(const std::string& device_certificate,
|
|
std::string* serial_number, uint32_t* system_id,
|
|
int64_t* creation_time_seconds,
|
|
int64_t* expiration_time_seconds);
|
|
|
|
// Removes json wrapping if applicable to extract the
|
|
// SignedProvisioningMessage
|
|
static bool ExtractAndDecodeSignedMessageForTesting(
|
|
const std::string& provisioning_response, std::string* result);
|
|
|
|
private:
|
|
CdmResponseType GetProvisioningRequestInternal(
|
|
SecurityLevel requested_security_level, CdmCertificateType cert_type,
|
|
const std::string& cert_authority, const std::string& origin,
|
|
const std::string& spoid, CdmProvisioningRequest* request,
|
|
std::string* default_url);
|
|
|
|
CdmResponseType SetSpoidParameter(
|
|
const std::string& origin, const std::string& spoid,
|
|
video_widevine::ProvisioningRequest* request);
|
|
|
|
video_widevine::SignedProvisioningMessage::ProvisioningType
|
|
GetProvisioningType();
|
|
|
|
// Closes crypto session if one is open. Avoid calling this method when
|
|
// processing a response. Multiple provisioning responses might be
|
|
// simultaneously in flight. Only the response associated with the last
|
|
// provisioning request can be processed. All the other responses will
|
|
// fail. If the session is closed when these responses fail, even the one
|
|
// associated with the last provisioning request may fail.
|
|
CdmResponseType CloseSessionOnError(CdmResponseType status);
|
|
void CloseSession();
|
|
|
|
std::unique_ptr<CryptoSession> crypto_session_;
|
|
CdmCertificateType cert_type_;
|
|
std::unique_ptr<ServiceCertificate> service_certificate_;
|
|
|
|
// Indicates whether OEMCrypto supports core messages, and whether the
|
|
// CDM should expect a core message in the response. This is primarily
|
|
// used to distinguish between v16+ OEMCrypto or an earlier version.
|
|
// Assume core messages are supported, and check if OEMCrypto populates
|
|
// the core message field when calling PrepAndSignProvisioningRequest().
|
|
bool supports_core_messages_ = true;
|
|
|
|
CORE_DISALLOW_COPY_AND_ASSIGN(CertificateProvisioning);
|
|
};
|
|
|
|
} // namespace wvcdm
|
|
|
|
#endif // WVCDM_CORE_CERTIFICATE_PROVISIONING_H_
|