// Copyright 2019 Istio Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

syntax = "proto3";

package google.security.meshca.v1;

import "google/protobuf/duration.proto";

option java_multiple_files = true;
option java_outer_classname = "MeshCaProto";
option java_package = "com.google.security.meshca.v1";

// Certificate request message.
message MeshCertificateRequest {
  // The request ID must be a valid UUID with the exception that zero UUID is
  // not supported (00000000-0000-0000-0000-000000000000).
  string request_id = 1;
  // PEM-encoded certificate request.
  string csr = 2;
  // Optional: requested certificate validity period.
  google.protobuf.Duration validity = 3;
  // Reserved 4
}

// Certificate response message.
message MeshCertificateResponse {
  // PEM-encoded certificate chain.
  // Leaf cert is element '0'. Root cert is element 'n'.
  repeated string cert_chain = 1;
}

// Service for managing certificates issued by the CSM CA.
service MeshCertificateService {
  // Using provided CSR, returns a signed certificate that represents a GCP
  // service account identity.
  rpc CreateCertificate(MeshCertificateRequest)
    returns (MeshCertificateResponse) {
  }
}