////////////////////////////////////////////////////////////////////////////////
// Copyright 2019 Google LLC.
//
// This software is licensed under the terms defined in the Widevine Master
// License Agreement. For a copy of this agreement, please contact
// widevine-licensing@google.com.
////////////////////////////////////////////////////////////////////////////////

#ifndef COMMON_CONTENT_ID_UTIL_H_
#define COMMON_CONTENT_ID_UTIL_H_

#include "common/status.h"
#include "protos/public/external_license.pb.h"
#include "protos/public/license_protocol.pb.h"
#include "protos/public/widevine_pssh.pb.h"

namespace widevine {

// Get content identifier as a std::string from a SignedMessage that includes a
// serialized ExternalLicenseRequest.
Status GetContentIdFromSignedExternalLicenseRequest(
    const SignedMessage& signed_message, std::string* content_id);

// Get content identifier as a std::string from an ExternalLicenseRequest.
Status GetContentIdFromExternalLicenseRequest(
    const ExternalLicenseRequest& external_license_request,
    std::string* content_id);

// Returns OK if successful and |widevine_pssh_data| will be populated by
// parsing |external_license_request|. Else, error and |widevine_pssh_data|
// will not be set within this method.
Status ParsePsshData(ExternalLicenseRequest external_license_request,
                     WidevinePsshData* widevine_pssh_data);

}  // namespace widevine

#endif  // COMMON_CONTENT_ID_UTIL_H_