infrastructure/ansible/plays/services/matrix/mautrix-slack/config.yaml

# Homeserver details.
homeserver:
    # The address that this appservice can use to connect to the homeserver.
    address: https://synapse.{{ matrix.baseurl }}
    # The domain of the homeserver (for MXIDs, etc).
    domain: {{ matrix.baseurl }}
    # 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 slack 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://mautrix-slack:29335
    # The hostname and port where this appservice should listen.
    hostname: 0.0.0.0
    port: 29335

    # Database config.
    database:
        # The database type. "sqlite3" and "postgres" are supported.
        type: postgres
        # The database URI.
        #   SQLite: File name is enough. 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://{{ matrix.bridge.slack.dbuser }}:{{ matrix.bridge.slack.dbpass }}@db-bridge-slack/{{ matrix.bridge.slack.dbname }}?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: slack
    # Appservice bot details.
    bot:
        # Username of the appservice bot.
        username: slackbot
        # Display name and avatar for bot. Set to "remove" to remove display name/avatar, leave empty
        # to leave display name/avatar as-is.
        displayname: Slack bridge bot
        avatar: mxc://maunium.net/pVtzLmChZejGxLqmXtQjFxem
    # Whether or not to receive ephemeral events via appservice transactions.
    # Requires MSC2409 support (i.e. Synapse 1.22+).
    # You should disable bridge -> sync_with_custom_puppets when this is enabled.
    ephemeral_events: true

    # Authentication tokens for AS <-> HS communication. Autogenerated; do not modify.
    as_token: "{{ matrix.bridge.slack.as_token }}"
    hs_token: "{{ matrix.bridge.slack.hs_token }}"

# Bridge config
bridge:
{% raw %}
    # Localpart template of MXIDs for Slack users.
    # {{.}} is replaced with the internal ID of the Slack user.
    username_template: slack_{{.}}
    # Displayname template for Slack users.
    # TODO: document variables
    displayname_template: '{{if not .DisplayName}}{{.RealName}}{{else}}{{.DisplayName}}{{end}} (Slack)'
    bot_displayname_template: '{{.Name}} (bot)'
    channel_name_template: '#{{.Name}}'
{% endraw %}
    portal_message_buffer: 128
    # Should the bridge send a read receipt from the bridge bot when a message has been sent to Slack?
    delivery_receipts: true
    # 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
    # Should the bridge sync with double puppeting to receive EDUs that aren't normally sent to appservices.
    sync_with_custom_puppets: false
    # Should the bridge 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
    private_chat_portal_meta: always
    federate_rooms: false
    # Servers to always allow double puppeting from
    double_puppet_server_map:
      {{ matrix.baseurl }}: https://{{ matrix.baseurl }}
    # Allow using double puppeting from any server with a valid client .well-known file.
    double_puppet_allow_discovery: false
    # Shared secrets for https://github.com/devture/matrix-synapse-shared-secret-auth
    #
    # If set, double puppeting will be enabled automatically for local users
    # instead of users having to find an access token and run `login-matrix`
    # manually.
    login_shared_secret_map:
      {{ matrix.baseurl }}: "{{ matrix.authenticator.shared_secret }}"
    message_handling_timeout:
        # Send an error message after this timeout, but keep waiting for the response until the deadline.
        # This is counted from the origin_server_ts, so the warning time is consistent regardless of the source of delay.
        # If the message is older than this when it reaches the bridge, the message won't be handled at all.
        error_after: 10s
        # Drop messages after this timeout. They may still go through if the message got sent to the servers.
        # This is counted from the time the bridge starts handling the message.
        deadline: 60s

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

    # 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 Slack 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-token` or `login-password` to log in."
        # Optional extra text sent when joining a management room.
        additional_help: ""
    backfill:
        # Allow backfilling at all? Requires MSC2716 support on homeserver.
        enable: false
        # If a backfilled chat is older than this number of hours, mark it as read even if it's unread on Slack.
        # Set to -1 to let any chat be unread.
        unread_hours_threshold: 720
        # Number of messages to immediately backfill when creating a portal.
        immediate_messages: 10
        # Settings for incremental backfill of history.
        incremental:
            # Maximum number of messages to backfill per batch.
            messages_per_batch: 100
            # The number of seconds to wait after backfilling the batch of messages.
            post_batch_delay: 20
            # The maximum number of messages to backfill per portal, split by the chat type.
            # If set to -1, all messages in the chat will eventually be backfilled.
            max_messages:
                # Channels
                channel: -1
                # Group direct messages
                group_dm: -1
                # 1:1 direct messages
                dm: -1

    # 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: true
        # 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: true
        # 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: true
        # 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 WhatsApp 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
        # Shared secret for authentication. If set to "generate", a random secret will be generated,
        # or if set to "disable", the provisioning API will be disabled.
        shared_secret: disable

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

{% raw %}
logging:
    directory: ./logs
    file_name_format: '{{.Date}}-{{.Index}}.log'
    file_date_format: "2006-01-02"
    file_mode: 384
    timestamp_format: Jan _2, 2006 15:04:05
    print_level: debug
    print_json: false
    file_json: false
{% endraw %}