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  1# Network-specific config options
  2network:
  3    # Displayname template for Signal users.
  4    # {{.ProfileName}} - The Signal profile name set by the user.
  5    # {{.ContactName}} - The name for the user from your phone's contact list. This is not safe on multi-user instances.
  6    # {{.Nickname}} - The nickname set for the user in the native Signal app. This is not safe on multi-user instances.
  7    # {{.PhoneNumber}} - The phone number of the user.
  8    # {{.UUID}} - The UUID of the Signal user.
  9    # {{.AboutEmoji}} - The emoji set by the user in their profile.
 10    displayname_template: '{{or .ProfileName .PhoneNumber "Unknown user"}}'
 11    # Should avatars from the user's contact list be used? This is not safe on multi-user instances.
 12    use_contact_avatars: false
 13    # Should the bridge request the user's contact list from the phone on startup?
 14    sync_contacts_on_startup: true
 15    # Should the bridge sync ghost user info even if profile fetching fails? This is not safe on multi-user instances.
 16    use_outdated_profiles: false
 17    # Should the Signal user's phone number be included in the room topic in private chat portal rooms?
 18    number_in_topic: true
 19    # Default device name that shows up in the Signal app.
 20    device_name: mautrix-signal
 21    # Avatar image for the Note to Self room.
 22    note_to_self_avatar: mxc://maunium.net/REBIVrqjZwmaWpssCZpBlmlL
 23    # Format for generating URLs from location messages for sending to Signal.
 24    # Google Maps: 'https://www.google.com/maps/place/%[1]s,%[2]s';
 25    # OpenStreetMap: 'https://www.openstreetmap.org/?mlat=%[1]s&mlon=%[2]s';
 26    location_format: 'https://www.google.com/maps/place/%[1]s,%[2]s'
 27    # Should view-once messages disappear shortly after sending a read receipt on Matrix?
 28    disappear_view_once: false
 29    # Should polls be sent using unstable MSC3381 event types?
 30    extev_polls: false
 31    
 32
 33# Config options that affect the central bridge module.
 34bridge:
 35    # The prefix for commands. Only required in non-management rooms.
 36    command_prefix: '!signal'
 37    # Should the bridge create a space for each login containing the rooms that account is in?
 38    personal_filtering_spaces: true
 39    # Whether the bridge should set names and avatars explicitly for DM portals.
 40    # This is only necessary when using clients that don't support MSC4171.
 41    private_chat_portal_meta: true
 42    # Should events be handled asynchronously within portal rooms?
 43    # If true, events may end up being out of order, but slow events won't block other ones.
 44    # This is not yet safe to use.
 45    async_events: false
 46    # Should every user have their own portals rather than sharing them?
 47    # By default, users who are in the same group on the remote network will be
 48    # in the same Matrix room bridged to that group. If this is set to true,
 49    # every user will get their own Matrix room instead.
 50    # SETTING THIS IS IRREVERSIBLE AND POTENTIALLY DESTRUCTIVE IF PORTALS ALREADY EXIST.
 51    split_portals: false
 52    # Should the bridge resend `m.bridge` events to all portals on startup?
 53    resend_bridge_info: false
 54    # Should `m.bridge` events be sent without a state key?
 55    # By default, the bridge uses a unique key that won't conflict with other bridges.
 56    no_bridge_info_state_key: false
 57    # Should bridge connection status be sent to the management room as `m.notice` events?
 58    # These contain the same data that can be posted to an external HTTP server using homeserver -> status_endpoint.
 59    # Allowed values: none, errors, all
 60    bridge_status_notices: errors
 61    # How long after an unknown error should the bridge attempt a full reconnect?
 62    # Must be at least 1 minute. The bridge will add an extra ±20% jitter to this value.
 63    unknown_error_auto_reconnect: null
 64    # Maximum number of times to do the auto-reconnect above.
 65    # The counter is per login, but is never reset except on logout and restart.
 66    unknown_error_max_auto_reconnects: 10
 67
 68    # Should leaving Matrix rooms be bridged as leaving groups on the remote network?
 69    bridge_matrix_leave: false
 70    # Should `m.notice` messages be bridged?
 71    bridge_notices: false
 72    # Should room tags only be synced when creating the portal? Tags mean things like favorite/pin and archive/low priority.
 73    # Tags currently can't be synced back to the remote network, so a continuous sync means tagging from Matrix will be undone.
 74    tag_only_on_create: true
 75    # List of tags to allow bridging. If empty, no tags will be bridged.
 76    only_bridge_tags: [m.favourite, m.lowpriority]
 77    # Should room mute status only be synced when creating the portal?
 78    # Like tags, mutes can't currently be synced back to the remote network.
 79    mute_only_on_create: true
 80    # Should the bridge check the db to ensure that incoming events haven't been handled before
 81    deduplicate_matrix_messages: false
 82    # Should cross-room reply metadata be bridged?
 83    # Most Matrix clients don't support this and servers may reject such messages too.
 84    cross_room_replies: false
 85    # If a state event fails to bridge, should the bridge revert any state changes made by that event?
 86    revert_failed_state_changes: false
 87    # In portals with no relay set, should Matrix users be kicked if they're
 88    # not logged into an account that's in the remote chat?
 89    kick_matrix_users: true
 90    # Should the bridge listen to com.beeper.state_request events?
 91    # This is not necessary for anything outside of Beeper.
 92    enable_send_state_requests: false
 93    # Should the com.beeper.bridge.identifiers list in global ghost profiles include phone numbers?
 94    phone_numbers_in_profile: false
 95
 96    # What should be done to portal rooms when a user logs out or is logged out?
 97    # Permitted values:
 98    #   nothing - Do nothing, let the user stay in the portals
 99    #   kick - Remove the user from the portal rooms, but don't delete them
100    #   unbridge - Remove all ghosts in the room and disassociate it from the remote chat
101    #   delete - Remove all ghosts and users from the room (i.e. delete it)
102    cleanup_on_logout:
103        # Should cleanup on logout be enabled at all?
104        enabled: false
105        # Settings for manual logouts (explicitly initiated by the Matrix user)
106        manual:
107            # Action for private portals which will never be shared with other Matrix users.
108            private: nothing
109            # Action for portals with a relay user configured.
110            relayed: nothing
111            # Action for portals which may be shared, but don't currently have any other Matrix users.
112            shared_no_users: nothing
113            # Action for portals which have other logged-in Matrix users.
114            shared_has_users: nothing
115        # Settings for credentials being invalidated (initiated by the remote network, possibly through user action).
116        # Keys have the same meanings as in the manual section.
117        bad_credentials:
118            private: nothing
119            relayed: nothing
120            shared_no_users: nothing
121            shared_has_users: nothing
122
123    # Settings for relay mode
124    relay:
125        # Whether relay mode should be allowed. If allowed, the set-relay command can be used to turn any
126        # authenticated user into a relaybot for that chat.
127        enabled: false
128        # Should only admins be allowed to set themselves as relay users?
129        # If true, non-admins can only set users listed in default_relays as relays in a room.
130        admin_only: true
131        # Should default relays be preferred when an explicit login ID isn't specified even if the user is logged in?
132        # This applies to the set-relay and bridge commands sent by any user, including admins.
133        prefer_default: true
134        # Should non-admins be allowed to use the bridge and sync-chat commands via default relays specified below?
135        allow_bridge: true
136        # List of user login IDs which anyone can set as a relay, as long as the relay user is in the room.
137        default_relays: []
138        # The formats to use when sending messages via the relaybot.
139        # Available variables:
140        #   .Sender.UserID - The Matrix user ID of the sender.
141        #   .Sender.Displayname - The display name of the sender (if set).
142        #   .Sender.RequiresDisambiguation - Whether the sender's name may be confused with the name of another user in the room.
143        #   .Sender.DisambiguatedName - The disambiguated name of the sender. This will be the displayname if set,
144        #                               plus the user ID in parentheses if the displayname is not unique.
145        #                               If the displayname is not set, this is just the user ID.
146        #   .Message - The `formatted_body` field of the message.
147        #   .Caption - The `formatted_body` field of the message, if it's a caption. Otherwise an empty string.
148        #   .FileName - The name of the file being sent.
149        message_formats:
150            m.text: "<b>{{ .Sender.DisambiguatedName }}</b>: {{ .Message }}"
151            m.notice: "<b>{{ .Sender.DisambiguatedName }}</b>: {{ .Message }}"
152            m.emote: "* <b>{{ .Sender.DisambiguatedName }}</b> {{ .Message }}"
153            m.file: "<b>{{ .Sender.DisambiguatedName }}</b> sent a file{{ if .Caption }}: {{ .Caption }}{{ end }}"
154            m.image: "<b>{{ .Sender.DisambiguatedName }}</b> sent an image{{ if .Caption }}: {{ .Caption }}{{ end }}"
155            m.audio: "<b>{{ .Sender.DisambiguatedName }}</b> sent an audio file{{ if .Caption }}: {{ .Caption }}{{ end }}"
156            m.video: "<b>{{ .Sender.DisambiguatedName }}</b> sent a video{{ if .Caption }}: {{ .Caption }}{{ end }}"
157            m.location: "<b>{{ .Sender.DisambiguatedName }}</b> sent a location{{ if .Caption }}: {{ .Caption }}{{ end }}"
158        # For networks that support per-message displaynames (i.e. Slack and Discord), the template for those names.
159        # This has all the Sender variables available under message_formats (but without the .Sender prefix).
160        # Note that you need to manually remove the displayname from message_formats above.
161        displayname_format: "{{ .DisambiguatedName }}"
162
163    # Filter for automatically creating portals.
164    portal_create_filter:
165        # The mode for filtering, either `deny` or `allow`
166        mode: deny
167        # The list of portal IDs to deny or allow depending on the mode config.
168        # Items here can either be the plain portal ID as a string, or an object with `id` and `receiver` fields.
169        # The receiver field is necessary if you want to target a specific DM portal for example.
170        list: []
171        # A list of user login IDs from which to always deny creating portals.
172        # This is meant to be used with default relays, such that the relay bot
173        # being added to a group wouldn't automatically trigger portal creation.
174        always_deny_from_login: []
175
176    # Permissions for using the bridge.
177    # Permitted values:
178    #    relay - Talk through the relaybot (if enabled), no access otherwise
179    # commands - Access to use commands in the bridge, but not login.
180    #     user - Access to use the bridge with puppeting.
181    #    admin - Full access, user level with some additional administration tools.
182    # Permitted keys:
183    #        * - All Matrix users
184    #   domain - All users on that homeserver
185    #     mxid - Specific user
186    permissions:
187        "*": relay
188        "example.com": user
189        "@admin:example.com": admin
190
191# Config for the bridge's database.
192database:
193    # The database type. "sqlite3-fk-wal" and "postgres" are supported.
194    type: postgres
195    # The database URI.
196    #   SQLite: A raw file path is supported, but `file:<path>?_txlock=immediate` is recommended.
197    #           https://github.com/mattn/go-sqlite3#connection-string
198    #   Postgres: Connection string. For example, postgres://user:password@host/database?sslmode=disable
199    #             To connect via Unix socket, use something like postgres:///dbname?host=/var/run/postgresql
200    uri: postgres://user:password@host/database?sslmode=disable
201    # Maximum number of connections.
202    max_open_conns: 5
203    max_idle_conns: 1
204    # Maximum connection idle time and lifetime before they're closed. Disabled if null.
205    # Parsed with https://pkg.go.dev/time#ParseDuration
206    max_conn_idle_time: null
207    max_conn_lifetime: null
208
209# Homeserver details.
210homeserver:
211    # The address that this appservice can use to connect to the homeserver.
212    # Local addresses without HTTPS are generally recommended when the bridge is running on the same machine,
213    # but https also works if they run on different machines.
214    address: http://example.localhost:8008
215    # The domain of the homeserver (also known as server_name, used for MXIDs, etc).
216    domain: example.com
217
218    # What software is the homeserver running?
219    # Standard Matrix homeservers like Synapse, Dendrite and Conduit should just use "standard" here.
220    software: standard
221    # The URL to push real-time bridge status to.
222    # If set, the bridge will make POST requests to this URL whenever a user's remote network connection state changes.
223    # The bridge will use the appservice as_token to authorize requests.
224    status_endpoint:
225    # Endpoint for reporting per-message status.
226    # If set, the bridge will make POST requests to this URL when processing a message from Matrix.
227    # It will make one request when receiving the message (step BRIDGE), one after decrypting if applicable
228    # (step DECRYPTED) and one after sending to the remote network (step REMOTE). Errors will also be reported.
229    # The bridge will use the appservice as_token to authorize requests.
230    message_send_checkpoint_endpoint:
231    # Does the homeserver support https://github.com/matrix-org/matrix-spec-proposals/pull/2246?
232    async_media: false
233
234    # Should the bridge use a websocket for connecting to the homeserver?
235    # The server side is currently not documented anywhere and is only implemented by mautrix-wsproxy,
236    # mautrix-asmux (deprecated), and hungryserv (proprietary).
237    websocket: false
238    # How often should the websocket be pinged? Pinging will be disabled if this is zero.
239    ping_interval_seconds: 0
240    # When requests to the homeserver fail with a 502/503/504/429 status or a network error,
241    # how many times should the bridge retry the request before giving up?
242    retry_limit: 4
243
244# Application service host/registration related details.
245# Changing these values requires regeneration of the registration (except when noted otherwise)
246appservice:
247    # The address that the homeserver can use to connect to this appservice.
248    # Like the homeserver address, a local non-https address is recommended when the bridge is on the same machine.
249    # If the bridge is elsewhere, you must secure the connection yourself (e.g. with https or wireguard)
250    # If you want to use https, you need to use a reverse proxy. The bridge does not have TLS support built in.
251    address: http://localhost:29328
252    # A public address that external services can use to reach this appservice.
253    # This is only needed for things like public media. A reverse proxy is generally necessary when using this field.
254    # This value doesn't affect the registration file.
255    public_address: https://bridge.example.com
256
257    # The hostname and port where this appservice should listen.
258    # For Docker, you generally have to change the hostname to 0.0.0.0.
259    hostname: 127.0.0.1
260    port: 29328
261
262    # The unique ID of this appservice.
263    id: signal
264    # Appservice bot details.
265    bot:
266        # Username of the appservice bot.
267        username: signalbot
268        # Display name and avatar for bot. Set to "remove" to remove display name/avatar, leave empty
269        # to leave display name/avatar as-is.
270        displayname: Signal bridge bot
271        avatar: mxc://maunium.net/wPJgTQbZOtpBFmDNkiNEMDUp
272
273    # Whether to receive ephemeral events via appservice transactions.
274    ephemeral_events: true
275    # Should incoming events be handled asynchronously?
276    # This may be necessary for large public instances with lots of messages going through.
277    # However, messages will not be guaranteed to be bridged in the same order they were sent in.
278    # This value doesn't affect the registration file.
279    async_transactions: false
280
281    # Authentication tokens for AS <-> HS communication. Autogenerated; do not modify.
282    as_token: "This value is generated when generating the registration"
283    hs_token: "This value is generated when generating the registration"
284
285    # Localpart template of MXIDs for remote users.
286    # {{.}} is replaced with the internal ID of the user.
287    username_template: signal_{{.}}
288
289# Config options that affect the Matrix connector of the bridge.
290matrix:
291    # Whether the bridge should send the message status as a custom com.beeper.message_send_status event.
292    message_status_events: false
293    # Whether the bridge should send a read receipt after successfully bridging a message.
294    delivery_receipts: false
295    # Whether the bridge should send error notices via m.notice events when a message fails to bridge.
296    message_error_notices: true
297    # Whether the bridge should update the m.direct account data event when double puppeting is enabled.
298    sync_direct_chat_list: true
299    # Whether created rooms should have federation enabled. If false, created portal rooms
300    # will never be federated. Changing this option requires recreating rooms.
301    federate_rooms: true
302    # The threshold as bytes after which the bridge should roundtrip uploads via the disk
303    # rather than keeping the whole file in memory.
304    upload_file_threshold: 5242880
305    # Should the bridge set additional custom profile info for ghosts?
306    # This can make a lot of requests, as there's no batch profile update endpoint.
307    ghost_extra_profile_info: false
308
309# Segment-compatible analytics endpoint for tracking some events, like provisioning API login and encryption errors.
310analytics:
311    # API key to send with tracking requests. Tracking is disabled if this is null.
312    token: null
313    # Address to send tracking requests to.
314    url: https://api.segment.io/v1/track
315    # Optional user ID for tracking events. If null, defaults to using Matrix user ID.
316    user_id: null
317
318# Settings for provisioning API
319provisioning:
320    # Shared secret for authentication. If set to "generate" or null, a random secret will be generated,
321    # or if set to "disable", the provisioning API will be disabled. Must be at least 16 characters.
322    shared_secret: generate
323    # Whether to allow provisioning API requests to be authed using Matrix access tokens.
324    # This follows the same rules as double puppeting to determine which server to contact to check the token,
325    # which means that by default, it only works for users on the same server as the bridge.
326    allow_matrix_auth: true
327    # Enable debug API at /debug with provisioning authentication.
328    debug_endpoints: false
329    # Enable session transfers between bridges. Note that this only validates Matrix or shared secret
330    # auth before passing live network client credentials down in the response.
331    enable_session_transfers: false
332    # Should the provisioning API fail immediately if a webauthn step is returned?
333    # This is mostly useful for clients that don't yet support it and want a trackable error instead.
334    fail_on_webauthn: false
335
336# Some networks require publicly accessible media download links (e.g. for user avatars when using Discord webhooks).
337# These settings control whether the bridge will provide such public media access.
338public_media:
339    # Should public media be enabled at all?
340    # The public_address field under the appservice section MUST be set when enabling public media.
341    enabled: false
342    # A key for signing public media URLs.
343    # If set to "generate", a random key will be generated.
344    signing_key: generate
345    # Number of seconds that public media URLs are valid for.
346    # If set to 0, URLs will never expire.
347    expiry: 0
348    # Length of hash to use for public media URLs. Must be between 0 and 32.
349    hash_length: 32
350    # The path prefix for generated URLs. Note that this will NOT change the path where media is actually served.
351    # If you change this, you must configure your reverse proxy to rewrite the path accordingly.
352    path_prefix: /_mautrix/publicmedia
353    # Should the bridge store media metadata in the database in order to support encrypted media and generate shorter URLs?
354    # If false, the generated URLs will just have the MXC URI and a HMAC signature.
355    # The hash_length field will be used to decide the length of the generated URL.
356    # This also allows invalidating URLs by deleting the database entry.
357    use_database: false
358
359# Settings for converting remote media to custom mxc:// URIs instead of reuploading.
360# More details can be found at https://docs.mau.fi/bridges/go/discord/direct-media.html
361direct_media:
362    # Should custom mxc:// URIs be used instead of reuploading media?
363    enabled: false
364    # The server name to use for the custom mxc:// URIs.
365    # This server name will effectively be a real Matrix server, it just won't implement anything other than media.
366    # You must either set up .well-known delegation from this domain to the bridge, or proxy the domain directly to the bridge.
367    server_name: discord-media.example.com
368    # Optionally a custom .well-known response. This defaults to `server_name:443`
369    well_known_response:
370    # Optionally specify a custom prefix for the media ID part of the MXC URI.
371    media_id_prefix:
372    # If the remote network supports media downloads over HTTP, then the bridge will use MSC3860/MSC3916
373    # media download redirects if the requester supports it. Optionally, you can force redirects
374    # and not allow proxying at all by setting this to false.
375    # This option does nothing if the remote network does not support media downloads over HTTP.
376    allow_proxy: true
377    # Matrix server signing key to make the federation tester pass, same format as synapse's .signing.key file.
378    # This key is also used to sign the mxc:// URIs to ensure only the bridge can generate them.
379    server_key: generate
380
381# Settings for backfilling messages.
382# Note that the exact way settings are applied depends on the network connector.
383# See https://docs.mau.fi/bridges/general/backfill.html for more details.
384backfill:
385    # Whether to do backfilling at all.
386    enabled: false
387    # Maximum number of messages to backfill in empty rooms.
388    # If this is zero or negative, backfill will be disabled in new rooms.
389    max_initial_messages: 50
390    # Maximum number of missed messages to backfill after bridge restarts.
391    max_catchup_messages: 500
392    # If a backfilled chat is older than this number of hours,
393    # mark it as read even if it's unread on the remote network.
394    unread_hours_threshold: 720
395    # Settings for backfilling threads within other backfills.
396    threads:
397        # Maximum number of messages to backfill in a new thread.
398        max_initial_messages: 50
399    # Settings for the backwards backfill queue. This only applies when connecting to
400    # Beeper as standard Matrix servers don't support inserting messages into history.
401    queue:
402        # Should the backfill queue be enabled?
403        enabled: false
404        # Should manual calls to backfill queue tasks be allowed?
405        manual: false
406        # Number of messages to backfill in one batch.
407        batch_size: 100
408        # Delay between batches in seconds.
409        batch_delay: 20
410        # Maximum number of batches to backfill per portal.
411        # If set to -1, all available messages will be backfilled.
412        max_batches: -1
413        # Optional network-specific overrides for max batches.
414        # Interpretation of this field depends on the network connector.
415        max_batches_override: {}
416
417# Settings for enabling double puppeting
418double_puppet:
419    # Servers to always allow double puppeting from.
420    # This is only for other servers and should NOT contain the server the bridge is on.
421    servers:
422        anotherserver.example.org: https://matrix.anotherserver.example.org
423    # Whether to allow client API URL discovery for other servers. When using this option,
424    # users on other servers can use double puppeting even if their server URLs aren't
425    # explicitly added to the servers map above.
426    allow_discovery: false
427    # Shared secrets for automatic double puppeting.
428    # See https://docs.mau.fi/bridges/general/double-puppeting.html for instructions.
429    secrets:
430        example.com: as_token:foobar
431
432# End-to-bridge encryption support options.
433#
434# See https://docs.mau.fi/bridges/general/end-to-bridge-encryption.html for more info.
435encryption:
436    # Whether to enable encryption at all. If false, the bridge will not function in encrypted rooms.
437    allow: false
438    # Whether to force-enable encryption in all bridged rooms.
439    default: false
440    # Whether to require all messages to be encrypted and drop any unencrypted messages.
441    require: false
442    # Whether to use MSC3202/MSC4203 instead of /sync long polling for receiving encryption-related data.
443    # This is an experimental option, see the docs for more info.
444    # Changing this option requires updating the appservice registration file.
445    appservice: false
446    # Whether to use MSC4190 instead of appservice login to create the bridge bot device.
447    # Requires the homeserver to support MSC4190 and the device masquerading parts of MSC3202.
448    # Only relevant when using end-to-bridge encryption, required when using encryption with next-gen auth (MSC3861).
449    msc4190: false
450    # Whether to encrypt reactions and reply metadata as per MSC4392.
451    # This is not supported by most clients.
452    msc4392: false
453    # Should the bridge bot generate a recovery key and cross-signing keys and verify itself?
454    # Note that without the latest version of MSC4190, this will fail if you reset the bridge database.
455    # The generated recovery key will be saved in the kv_store table under `recovery_key`.
456    self_sign: false
457    # Enable key sharing? If enabled, key requests for rooms where users are in will be fulfilled.
458    # You must use a client that supports requesting keys from other users to use this feature.
459    allow_key_sharing: true
460    # Should m.mentions be sent in the unencrypted content? This is non-standard and should not be enabled.
461    plaintext_mentions: false
462    # Pickle key for encrypting encryption keys in the bridge database.
463    # If set to generate, a random key will be generated.
464    pickle_key: generate
465    # Options for deleting megolm sessions from the bridge.
466    delete_keys:
467        # Beeper-specific: delete outbound sessions when hungryserv confirms
468        # that the user has uploaded the key to key backup.
469        delete_outbound_on_ack: false
470        # Don't store outbound sessions in the inbound table.
471        dont_store_outbound: false
472        # Ratchet megolm sessions forward after decrypting messages.
473        ratchet_on_decrypt: false
474        # Delete fully used keys (index >= max_messages) after decrypting messages.
475        delete_fully_used_on_decrypt: false
476        # Delete previous megolm sessions from same device when receiving a new one.
477        delete_prev_on_new_session: false
478        # Delete megolm sessions received from a device when the device is deleted.
479        delete_on_device_delete: false
480        # Periodically delete megolm sessions when 2x max_age has passed since receiving the session.
481        periodically_delete_expired: false
482        # Delete inbound megolm sessions that don't have the received_at field used for
483        # automatic ratcheting and expired session deletion. This is meant as a migration
484        # to delete old keys prior to the bridge update.
485        delete_outdated_inbound: false
486    # What level of device verification should be required from users?
487    #
488    # Valid levels:
489    #   unverified - Send keys to all device in the room.
490    #   cross-signed-untrusted - Require valid cross-signing, but trust all cross-signing keys.
491    #   cross-signed-tofu - Require valid cross-signing, trust cross-signing keys on first use (and reject changes).
492    #   cross-signed-verified - Require valid cross-signing, plus a valid user signature from the bridge bot.
493    #                           Note that creating user signatures from the bridge bot is not currently possible.
494    #   verified - Require manual per-device verification
495    #              (currently only possible by modifying the `trust` column in the `crypto_device` database table).
496    verification_levels:
497        # Minimum level for which the bridge should send keys to when bridging messages from the remote network to Matrix.
498        receive: unverified
499        # Minimum level that the bridge should accept for incoming Matrix messages.
500        send: unverified
501        # Minimum level that the bridge should require for accepting key requests.
502        share: cross-signed-tofu
503    # Options for Megolm room key rotation. These options allow you to configure the m.room.encryption event content.
504    # See https://spec.matrix.org/v1.10/client-server-api/#mroomencryption for more information about that event.
505    rotation:
506        # Enable custom Megolm room key rotation settings. Note that these
507        # settings will only apply to rooms created after this option is set.
508        enable_custom: false
509        # The maximum number of milliseconds a session should be used
510        # before changing it. The Matrix spec recommends 604800000 (a week)
511        # as the default.
512        milliseconds: 604800000
513        # The maximum number of messages that should be sent with a given a
514        # session before changing it. The Matrix spec recommends 100 as the
515        # default.
516        messages: 100
517        # Disable rotating keys when a user's devices change?
518        # You should not enable this option unless you understand all the implications.
519        disable_device_change_key_rotation: false
520
521# Prefix for environment variables. All variables with this prefix must map to valid config fields.
522# Nesting in variable names is represented with a dot (.).
523# If there are no dots in the name, two underscores (__) are replaced with a dot.
524#
525# e.g. if the prefix is set to `BRIDGE_`, then `BRIDGE_APPSERVICE__AS_TOKEN` will set appservice.as_token.
526# `BRIDGE_appservice.as_token` would work as well, but can't be set in a shell as easily.
527#
528# The variable names can also have a `_FILE` suffix to tell the bridge to read the value from the
529# path set in the variable rather than using the value directly.
530#
531# If this is null, reading config fields from environment will be disabled.
532env_config_prefix: null
533
534# Logging config. See https://github.com/tulir/zeroconfig for details.
535logging:
536    min_level: debug
537    writers:
538        - type: stdout
539          format: pretty-colored
540        - type: file
541          format: json
542          filename: ./logs/bridge.log
543          max_size: 100
544          max_backups: 10
545          compress: false