mautrix-signal/mautrix_signal/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
    # Whether or not to verify the SSL certificate of the homeserver.
    # Only applies if address starts with https://
    verify_ssl: true
    asmux: 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
    # When using https:// the TLS certificate and key files for the address.
    tls_cert: false
    tls_key: false

    # The hostname and port where this appservice should listen.
    hostname: 0.0.0.0
    port: 29328
    # The maximum body size of appservice API requests (from the homeserver) in mebibytes
    # Usually 1 is enough, but on high-traffic bridges you might need to increase this to avoid 413s
    max_body_size: 1

    # The full URI to the database. Only Postgres is currently supported.
    database: postgres://username:password@hostname/db

    # Provisioning API part of the web server for automated portal creation and fetching information.
    # Used by things like mautrix-manager (https://github.com/tulir/mautrix-manager).
    provisioning:
        # Whether or not the provisioning API should be enabled.
        enabled: true
        # The prefix to use in the provisioning API endpoints.
        prefix: /_matrix/provision/v1
        # The shared secret to authorize users of the API.
        # Set to "generate" to generate and save a new token.
        shared_secret: generate

    # The unique ID of this appservice.
    id: signal
    # Username of the appservice bot.
    bot_username: signalbot
    # Display name and avatar for bot. Set to "remove" to remove display name/avatar, leave empty
    # to leave display name/avatar as-is.
    bot_displayname: Signal bridge bot
    bot_avatar: mxc://maunium.net/wPJgTQbZOtpBFmDNkiNEMDUp

    # Community ID for bridged users (changes registration file) and rooms.
    # Must be created manually.
    #
    # Example: "+signal:example.com". Set to false to disable.
    community_id: false

    # 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"

# Prometheus telemetry config. Requires prometheus-client to be installed.
metrics:
    enabled: false
    listen_port: 8000

signal:
    # Path to signald unix socket
    socket_path: /var/run/signald/signald.sock
    # Directory for temp files when sending files to Signal. This should be an
    # absolute path that signald can read. For attachments in the other direction,
    # make sure signald is configured to use an absolute path as the data directory.
    outgoing_attachment_dir: /tmp
    # Directory where signald stores avatars for groups.
    avatar_dir: ~/.config/signald/avatars
    # Whether or not message attachments should be removed from disk after they're bridged.
    remove_file_after_handling: true

# Bridge config
bridge:
    # Localpart template of MXIDs for Signal users.
    # {userid} is replaced with an identifier for the Signal user.
    username_template: "signal_{userid}"
    # Displayname template for Signal users.
    # {displayname} is replaced with the displayname of the Signal user, which is the first
    # available variable in displayname_preference. The variables in displayname_preference
    # can also be used here directly.
    displayname_template: "{displayname} (Signal)"
    # Whether or not contact list displaynames should be used.
    # Using this isn't recommended on multi-user instances.
    allow_contact_list_name_updates: false
    # Available variables: full_name, first_name, last_name, phone, uuid
    displayname_preference:
    - full_name
    - phone
    - uuid

    # Whether or not to create portals for all groups on login/connect.
    autocreate_group_portal: true
    # Whether or not to create portals for all contacts on login/connect.
    autocreate_contact_portal: false
    # Whether or not to use /sync to get read receipts and typing notifications
    # when double puppeting is enabled
    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
    # Allow using double puppeting from any server with a valid client .well-known file.
    double_puppet_allow_discovery: false
    # Servers to allow double puppeting from, even if double_puppet_allow_discovery is false.
    double_puppet_server_map:
        example.com: https://example.com
    # Shared secret for https://github.com/devture/matrix-synapse-shared-secret-auth
    #
    # 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.
    # If using this for other servers than the bridge's server,
    # you must also set the URL in the double_puppet_server_map.
    login_shared_secret_map: {}
    # Whether or not created rooms should have federation enabled.
    # If false, created portal rooms will never be federated.
    federate_rooms: true
    # End-to-bridge encryption support options. These require matrix-nio to be installed with pip
    # and login_shared_secret to be configured in order to get a device for the bridge bot.
    #
    # Additionally, https://github.com/matrix-org/synapse/pull/5758 is required if using a normal
    # application service.
    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
        # Options for automatic key sharing.
        key_sharing:
            # 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: false
            # Require the requesting device to have a valid cross-signing signature?
            # This doesn't require that the bridge has verified the device, only that the user has verified it.
            # Not yet implemented.
            require_cross_signing: false
            # Require devices to be verified by the bridge?
            # Verification by the bridge is not yet implemented.
            require_verification: true
    # Whether or not to explicitly set the avatar and room name for private
    # chat portal rooms. This will be implicitly enabled if encryption.default is true.
    private_chat_portal_meta: false
    # Whether or not the bridge should send a read receipt from the bridge bot when a message has
    # been sent to Signal. This let's you check manually whether the bridge is receiving your
    # messages.
    # Note that this is not related to Signal delivery receipts.
    delivery_receipts: false
    # Whether or not delivery errors should be reported as messages in the Matrix room. (not yet implemented)
    delivery_error_reports: 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

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

    # Permissions for using the bridge.
    # Permitted values:
    #       user - Use the bridge with puppeting.
    #      admin - Use and administrate the bridge.
    # Permitted keys:
    #        * - All Matrix users
    #   domain - All users on that homeserver
    #     mxid - Specific user
    permissions:
        "example.com": "user"
        "@admin:example.com": "admin"


# Python logging configuration.
#
# See section 16.7.2 of the Python documentation for more info:
# https://docs.python.org/3.6/library/logging.config.html#configuration-dictionary-schema
logging:
    version: 1
    formatters:
        colored:
            (): mautrix_signal.util.ColorFormatter
            format: "[%(asctime)s] [%(levelname)s@%(name)s] %(message)s"
        normal:
            format: "[%(asctime)s] [%(levelname)s@%(name)s] %(message)s"
    handlers:
        file:
            class: logging.handlers.RotatingFileHandler
            formatter: normal
            filename: ./mautrix-signal.log
            maxBytes: 10485760
            backupCount: 10
        console:
            class: logging.StreamHandler
            formatter: colored
    loggers:
        mau:
            level: DEBUG
        aiohttp:
            level: INFO
    root:
        level: DEBUG
        handlers: [file, console]