/* This proto file contains the service and structures for implementing
 * a Consul CA provider plugin. For clearer documentation on what each
 * RPC method should do, please refer to the Go interface documentation
 * for `agent/connect/ca.Provider`.
 *
 * After implementing this service, the plugin must also output the proper
 * format to stdout for the plugin handshake. Please refer to the Consul
 * documentation for more information.
 */

syntax = "proto3";

option go_package = "github.com/hashicorp/consul/agent/connect/ca/plugin";

package plugin;

service CA {
    rpc Configure(ConfigureRequest) returns (Empty);
    rpc GenerateRoot(Empty) returns (Empty);
    rpc ActiveRoot(Empty) returns (ActiveRootResponse);
    rpc GenerateIntermediateCSR(Empty) returns (GenerateIntermediateCSRResponse);
    rpc SetIntermediate(SetIntermediateRequest) returns (Empty);
    rpc ActiveIntermediate(Empty) returns (ActiveIntermediateResponse);
    rpc GenerateIntermediate(Empty) returns (GenerateIntermediateResponse);
    rpc Sign(SignRequest) returns (SignResponse);
    rpc SignIntermediate(SignIntermediateRequest) returns (SignIntermediateResponse);
    rpc CrossSignCA(CrossSignCARequest) returns (CrossSignCAResponse);
    rpc Cleanup(Empty) returns (Empty);
}

message ConfigureRequest {
    string cluster_id = 1;
    bool is_root = 2;
    bytes config = 3; // JSON-encoded structure
}

message SetIntermediateRequest {
    string intermediate_pem = 1;
    string root_pem = 2;
}

message SignRequest {
    bytes csr = 1;
}

message SignIntermediateRequest {
    bytes csr = 1;
}

message CrossSignCARequest {
    bytes crt = 1;
}

message ActiveRootResponse {
    string crt_pem = 1;
}

message GenerateIntermediateCSRResponse {
    string csr_pem = 1;
}

message ActiveIntermediateResponse {
    string crt_pem = 1;
}

message GenerateIntermediateResponse {
    string crt_pem = 1;
}

message SignResponse {
    string crt_pem = 1;
}

message SignIntermediateResponse {
    string crt_pem = 1;
}

message CrossSignCAResponse {
    string crt_pem = 1;
}

// Protobufs doesn't allow no req/resp so in the cases where there are
// no arguments we use the Empty message.
message Empty {}