signal-desktop/protos/SubProtocol.proto

// Copyright 2014-2021 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only

package signalservice;

option java_package = "org.whispersystems.websocket.messages.protobuf";

message WebSocketRequestMessage {
    optional string verb    = 1;
    optional string path    = 2;
    optional bytes  body    = 3;
    repeated string headers = 5;
    optional uint64 id      = 4;
}

message WebSocketResponseMessage {
    optional uint64 id      = 1;
    optional uint32 status  = 2;
    optional string message = 3;
    repeated string headers = 5;
    optional bytes  body    = 4;
}

message WebSocketMessage {
    enum Type {
        UNKNOWN  = 0;
        REQUEST  = 1;
        RESPONSE = 2;
    }

    optional Type                     type     = 1;
    optional WebSocketRequestMessage  request  = 2;
    optional WebSocketResponseMessage response = 3;
}