groupme/example-config.yaml

# Homeserver details.
homeserver:
    # The address that this appservice can use to connect to the homeserver.
    address: https://example.com
    # The domain of the homeserver (for MXIDs, etc).
    domain: example.com

    # What software is the homeserver running?
    # Standard Matrix homeservers like Synapse, Dendrite and Conduit should just use "standard" here.
    software: standard
    # The URL to push real-time bridge status to.
    # If set, the bridge will make POST requests to this URL whenever a user's GroupMe connection state changes.
    # The bridge will use the appservice as_token to authorize requests.
    status_endpoint: null
    # Endpoint for reporting per-message status.
    message_send_checkpoint_endpoint: null
    # Does the homeserver support https://github.com/matrix-org/matrix-spec-proposals/pull/2246?
    async_media: false

# Application service host/registration related details.
# Changing these values requires regeneration of the registration.
appservice:
    # The address that the homeserver can use to connect to this appservice.
    address: http://localhost:29328

    # The hostname and port where this appservice should listen.
    hostname: 0.0.0.0
    port: 29328

    # Database config.
    database:
        # The database type. "sqlite3-fk-wal" and "postgres" are supported.
        type: postgres
        # The database URI.
        #   SQLite: A raw file path is supported, but `file:<path>?_txlock=immediate` is recommended.
        #           https://github.com/mattn/go-sqlite3#connection-string
        #   Postgres: Connection string. For example, postgres://user:password@host/database?sslmode=disable
        #             To connect via Unix socket, use something like postgres:///dbname?host=/var/run/postgresql
        uri: postgres://user:password@host/database?sslmode=disable
        # Maximum number of connections. Mostly relevant for Postgres.
        max_open_conns: 20
        max_idle_conns: 2
        # Maximum connection idle time and lifetime before they're closed. Disabled if null.
        # Parsed with https://pkg.go.dev/time#ParseDuration
        max_conn_idle_time: null
        max_conn_lifetime: null

    # The unique ID of this appservice.
    id: groupme
    # Appservice bot details.
    bot:
        # Username of the appservice bot.
        username: groupmebot
        # Display name and avatar for bot. Set to "remove" to remove display name/avatar, leave empty
        # to leave display name/avatar as-is.
        displayname: GroupMe bridge bot
        avatar: mxc://nevarro.space/eoAJPcSuTEvffoNycrXjvsmj

    # Whether or not to receive ephemeral events via appservice transactions.
    # Requires MSC2409 support (i.e. Synapse 1.22+).
    ephemeral_events: true

    # Authentication tokens for AS <-> HS communication. Autogenerated; do not modify.
    as_token: "This value is generated when generating the registration"
    hs_token: "This value is generated when generating the registration"

# Segment API key to track some events, like provisioning API login and encryption errors.
segment_key: null

# Metrics not yet tested!
metrics:
    # Whether or not to enable prometheus metrics
    enabled: false
    # IP and port where the metrics listener should be. The path is always /metrics
    listen: 127.0.0.1:8001

# GroupMe configuration
groupme:
    # GroupMe connection timeout in seconds.
    connection_timeout: 20
    # If GroupMe doesn't respond within connection_timeout, should the bridge
    # try to fetch the message to see if it was actually bridged? Use this if
    # you have problems with sends timing out but actually succeeding.
    fetch_message_on_timeout: false

# Bridge config
bridge:
    # Localpart template of MXIDs for GroupMe users.
    # {{.}} is replaced with the phone number of the GroupMe user.
    username_template: groupme_{{.}}
    # Displayname template for GroupMe users.
    # {{call .UserID.String}} - the number GroupMe assigns to the user
    # {{.Nickname}} - the nickname in that room
    # {{.ImageURL}} - User's avatar URL is available but irrelevant here
    displayname_template: "{{if .Name}}{{.Name}}{{else}}{{.GMID}}{{end}} (GM)"
    # Should the bridge create a space for each logged-in user and add bridged rooms to it?
    # Users who logged in before turning this on should run `!wa sync space` to create and fill the space for the first time.
    personal_filtering_spaces: false
    # Should the bridge send a read receipt from the bridge bot when a message has been sent to GroupMe?
    delivery_receipts: false
    # Whether the bridge should send the message status as a custom com.beeper.message_send_status event.
    message_status_events: false
    # Whether the bridge should send error notices via m.notice events when a message fails to bridge.
    message_error_notices: true

    # Maximum number of times to retry connecting on connection error.
    max_connection_attempts: 3
    # Number of seconds to wait between connection attempts.
    # Negative numbers are exponential backoff: -connection_retry_delay + 1 + 2^attempts
    connection_retry_delay: -1
    # Whether or not the bridge should send a notice to the user's management room when it retries connecting.
    # If false, it will only report when it stops retrying.
    report_connection_retry: true
    # Maximum number of seconds to wait for chats to be sent at startup.
    # If this is too low and you have lots of chats, it could cause backfilling to fail.
    chat_list_wait: 30
    # Maximum number of seconds to wait to sync portals before force unlocking message processing.
    # If this is too low and you have lots of chats, it could cause backfilling to fail.
    portal_sync_wait: 600
    user_message_buffer: 1024
    portal_message_buffer: 128

    # Whether or not to send call start/end notices to Matrix.
    # N/A GroupMe
    call_notices:
        start: true
        end: true

    # Number of chats to sync for new users.
    initial_chat_sync_count: 5
    # Number of old messages to fill when creating new portal rooms.
    initial_history_fill_count: 100
    # Whether or not notifications should be turned off while filling initial history.
    # Only applicable when using double puppeting.
    initial_history_disable_notifications: false
    # Maximum number of chats to sync when recovering from downtime.
    # Set to -1 to sync all new chats during downtime.
    recovery_chat_sync_limit: -1
    # Whether or not to sync history when recovering from downtime.
    recovery_history_backfill: true
    # Maximum number of seconds since last message in chat to skip
    # syncing the chat in any case. This setting will take priority
    # over both recovery_chat_sync_limit and initial_chat_sync_count.
    # Default is 3 days = 259200 seconds
    sync_max_chat_age: 259200

    # Whether or not to sync with custom puppets to receive EDUs that
    # are not normally sent to appservices.
    sync_with_custom_puppets: true
    # Whether or not to update the m.direct account data event when double puppeting is enabled.
    # Note that updating the m.direct event is not atomic (except with mautrix-asmux)
    # and is therefore prone to race conditions.
    sync_direct_chat_list: false
    # When double puppeting is enabled, users can use `!wa toggle` to change whether or not
    # presence and read receipts are bridged. These settings set the default values.
    # Existing users won't be affected when these are changed.
    default_bridge_receipts: true
    default_bridge_presence: true
    # Shared secret for https://github.com/devture/matrix-synapse-shared-secret-auth
    
    login_shared_secret_map:
        example.com: null
    #
    # If set, custom puppets will be enabled automatically for local users
    # instead of users having to find an access token and run `login-matrix`
    # manually.
    login_shared_secret: null

    # Whether or not to invite own GroupMe user's Matrix puppet into private
    # chat portals when backfilling if needed.
    # This always uses the default puppet instead of custom puppets due to
    # rate limits and timestamp massaging.
    invite_own_puppet_for_backfilling: true
    # Whether or not to explicitly set the avatar and room name for private
    # chat portal rooms. This can be useful if the previous field works fine,
    # but causes room avatar/name bugs.
    private_chat_portal_meta: false
    # Set this to true to tell the bridge to re-send m.bridge events to all rooms on the next run.
    # This field will automatically be changed back to false after it,
    # except if the config file is not writable.
    resend_bridge_info: false

    # Whether or not thumbnails from GroupMe should be sent.
    # They're disabled by default due to very low resolution.
    groupme_thumbnail: false

    # Allow invite permission for user. User can invite any bots to room with GroupMe
    # users (private chat and groups)
    allow_user_invite: false

    # The prefix for commands. Only required in non-management rooms.
    command_prefix: "!gm"

    # Messages sent upon joining a management room.
    # Markdown is supported. The defaults are listed below.
    management_room_text:
        # Sent when joining a room.
        welcome: "Hello, I'm a GroupMe bridge bot."
        # Sent when joining a management room and the user is already logged in.
        welcome_connected: "Use `help` for help."
        # Sent when joining a management room and the user is not logged in.
        welcome_unconnected: "Use `help` for help or `login` to log in."
        # Optional extra text sent when joining a management room.
        additional_help: ""

    # End-to-bridge encryption support options.
    #
    # See https://docs.mau.fi/bridges/general/end-to-bridge-encryption.html for more info.
    encryption:
        # Allow encryption, work in group chat rooms with e2ee enabled
        allow: false
        # Default to encryption, force-enable encryption in all portals the bridge creates
        # This will cause the bridge bot to be in private chats for the encryption to work properly.
        default: false
        # Whether to use MSC2409/MSC3202 instead of /sync long polling for receiving encryption-related data.
        appservice: false
        # Require encryption, drop any unencrypted messages.
        require: false
        # Enable key sharing? If enabled, key requests for rooms where users are in will be fulfilled.
        # You must use a client that supports requesting keys from other users to use this feature.
        allow_key_sharing: false
        # What level of device verification should be required from users?
        #
        # Valid levels:
        #   unverified - Send keys to all device in the room.
        #   cross-signed-untrusted - Require valid cross-signing, but trust all cross-signing keys.
        #   cross-signed-tofu - Require valid cross-signing, trust cross-signing keys on first use (and reject changes).
        #   cross-signed-verified - Require valid cross-signing, plus a valid user signature from the bridge bot.
        #                           Note that creating user signatures from the bridge bot is not currently possible.
        #   verified - Require manual per-device verification
        #              (currently only possible by modifying the `trust` column in the `crypto_device` database table).
        verification_levels:
            # Minimum level for which the bridge should send keys to when bridging messages from GroupMe to Matrix.
            receive: unverified
            # Minimum level that the bridge should accept for incoming Matrix messages.
            send: unverified
            # Minimum level that the bridge should require for accepting key requests.
            share: cross-signed-tofu
        # Options for Megolm room key rotation. These options allow you to
        # configure the m.room.encryption event content. See:
        # https://spec.matrix.org/v1.3/client-server-api/#mroomencryption for
        # more information about that event.
        rotation:
            # Enable custom Megolm room key rotation settings. Note that these
            # settings will only apply to rooms created after this option is
            # set.
            enable_custom: false
            # The maximum number of milliseconds a session should be used
            # before changing it. The Matrix spec recommends 604800000 (a week)
            # as the default.
            milliseconds: 604800000
            # The maximum number of messages that should be sent with a given a
            # session before changing it. The Matrix spec recommends 100 as the
            # default.
            messages: 100

    # Settings for provisioning API
    provisioning:
        # Prefix for the provisioning API paths.
        prefix: /_matrix/provision/v1
        # Shared secret for authentication. If set to "disable", the provisioning API will be disabled.
        shared_secret: disable

    # Permissions for using the bridge.
    # Permitted values:
    # relaybot - Talk through the relaybot (if enabled), no access otherwise
    #     user - Access to use the bridge to chat with a GroupMe account.
    #    admin - User level and some additional administration tools
    # Permitted keys:
    #        * - All Matrix users
    #   domain - All users on that homeserver
    #     mxid - Specific user
    permissions:
        "*": relaybot
        "example.com": user
        "@admin:example.com": admin

# Logging config. See https://github.com/tulir/zeroconfig for details.
logging:
    min_level: debug
    writers:
    - type: stdout
      format: pretty-colored
    - type: file
      format: json
      filename: ./logs/mautrix-groupme.log
      max_size: 100
      max_backups: 10
      compress: true