gmessages/libgm/gmproto/authentication.proto

syntax = "proto3";
package authentication;

option go_package = "../gmproto";

import "util.proto";
import "pblite.proto";

enum BrowserType {
    UNKNOWN_BROWSER_TYPE = 0;
    OTHER = 1;
    CHROME = 2;
    FIREFOX = 3;
    SAFARI = 4;
    OPERA = 5;
    IE = 6;
    EDGE = 7;
}

enum DeviceType {
    UNKNOWN_DEVICE_TYPE = 0;
    WEB = 1;
    TABLET = 2;
    PWA = 3;
}

message BrowserDetails {
    string userAgent = 1;
    BrowserType browserType = 2;
    string OS = 3;
    DeviceType deviceType = 6;
}

message Device {
    int64 userID = 1;
    string sourceID = 2;
    string network = 3;
}

message ConfigVersion {
    int32 Year = 3;
    int32 Month = 4;
    int32 Day = 5;
    int32 V1 = 7;
    int32 V2 = 9;
}

message SignInGaiaRequest {
    message Inner {
        message DeviceID {
            int32 unknownInt1 = 1; // 3
            string deviceID = 2; // messages-web-{uuid without dashes}
        }
        message Data {
            bytes someData = 3; // maybe an encryption key?
        }
        DeviceID deviceID = 1;
        Data someData = 36 [(pblite.pblite_binary) = true];
    }
    AuthMessage authMessage = 1;
    Inner inner = 2;
    int32 unknownInt3 = 3;
    string network = 4;
}

message SignInGaiaResponse {
    message Header {
        uint64 unknownInt2 = 2;
        int64 unknownTimestamp = 4;
    }
    message DeviceData {
        message DeviceWrapper {
            Device device = 1;
        }
        DeviceWrapper deviceWrapper = 1;
        repeated RPCGaiaData.UnknownContainer.Item2.Item1 unknownItems2 = 2;
        repeated RPCGaiaData.UnknownContainer.Item4 unknownItems3 = 3;
        // index 4 is some unknown field with no real data
    }
    Header header = 1;
    string maybeBrowserUUID = 2 [(pblite.pblite_binary) = true];
    DeviceData deviceData = 3;
    TokenData tokenData = 4;
}

message GaiaPairingRequestContainer {
    string pairingAttemptID = 1;
    BrowserDetails browserDetails = 2;
    int64 startTimestamp = 3;
    bytes data = 4;
}

message GaiaPairingResponseContainer {
    int32 finishErrorType = 1;
    int32 finishErrorCode = 2;
    int32 unknownInt3 = 3; // For init, 1
    string sessionUUID = 4;
    bytes data = 5;
}

message RevokeGaiaPairingRequest {
    string pairingAttemptID = 1;
}

message RPCGaiaData {
    message UnknownContainer {
        message Item2 {
            message Item1 {
                string destOrSourceUUID = 1 [(pblite.pblite_binary) = true];
                int32 unknownInt4 = 4; // 1 for destination device, 6 for local device?
                string languageCode = 5;
                uint64 unknownBigInt7 = 7;
            }
            repeated Item1 item1 = 1;
        }
        message Item4 {
            message Item8 {
                int32 unknownInt1 = 1; // present for destination device?
                int32 unknownTimestamp = 2; // present for destination device?
                bytes unknownBytes = 3; // present for local device?
            }
            string destOrSourceUUID = 1 [(pblite.pblite_binary) = true];
            int32 unknownInt3 = 3; // 1 for destination device, 6 for local device?
            int32 unknownInt4 = 4; // always 6?
            int64 unknownTimestampMicroseconds = 7; // maybe device creation ts?
            Item8 item8 = 8 [(pblite.pblite_binary) = true];
        }
        Item2 item2 = 2;
        int64 unknownTimestampMicroseconds = 3; // pairing timestamp?
        repeated Item4 item4 = 4;
    }

    int32 command = 1; // 9
    UnknownContainer maybeServerData = 108;
}

message AuthenticationContainer {
    AuthMessage authMessage = 1;
    BrowserDetails browserDetails = 3;

    oneof data {
        KeyData keyData = 4;
        CurrentDeviceData deviceData = 5;
    }
}

message AuthMessage {
    string requestID = 1;
    string network = 3;
    bytes tachyonAuthToken = 6;
    ConfigVersion configVersion = 7;
}

message RevokeRelayPairingRequest {
    AuthMessage authMessage = 1;
    Device browser = 2;
}

message RevokeRelayPairingResponse {
    // field 1 is an object with an unknown int64 in field 2
}

message RegisterRefreshRequest {
    message NestedEmptyArr {
        util.EmptyArr emptyArr = 9;
    }

    AuthMessage messageAuth = 1;
    Device currBrowserDevice = 2;
    int64 unixTimestamp = 3;
    bytes signature = 4;
    NestedEmptyArr emptyRefreshArr = 13;
    int32 messageType = 16;
}

message RegisterRefreshResponse {
    TokenData tokenData = 2;
}

message RegisterPhoneRelayResponse {
    CoordinateMessage coordinates = 1;
    Device browser = 2;
    bytes pairingKey = 3;
    int64 validFor = 4;
    TokenData authKeyData = 5;
    string responseID = 6;
}

message CoordinateMessage {
    int64 coord1 = 2;
}

message RefreshPhoneRelayResponse {
    CoordinateMessage coordinates = 1;
    bytes pairKey = 2;
    int64 validFor = 3;
}

message WebEncryptionKeyResponse {
    CoordinateMessage coordinates = 1;
    bytes key = 2;
}

message ErrorResponse {
    int64 type = 1; // 5?
    string message = 2;
    repeated ErrorClass class = 3;

    message ErrorClass {
        string class = 1;
        // 2: {1: 1}
    }
}

message ECDSAKeys {
    int64 field1 = 1; // idk?
    bytes encryptedKeys = 2;
}

message CurrentDeviceData {
    authentication.Device browser = 1;
}

message KeyData {
    Device mobile = 1;
    ECDSAKeys ecdsaKeys = 6;
    WebAuthKey webAuthKeyData = 2;
    Device browser = 3;
}

message WebAuthKey {
    bytes webAuthKey = 1;
    int64 validFor = 2;
}

message URLData {
    bytes pairingKey = 1;
    bytes AESKey = 2;
    bytes HMACKey = 3;
}

message TokenData {
    bytes tachyonAuthToken = 1;
    int64 TTL = 2;
}

message PairedData {
    Device mobile = 1;
    TokenData tokenData = 2;
    Device browser = 3;
}

message RevokePairData {
    Device revokedDevice = 1;
}