Raw YAML - Releases: latest, v26.04, v26.02, v25.12, v25.11, v25.10

  1# Network-specific config options
  2network:
  3    # Which service is this bridge for? Available options:
  4    # * unset - allow users to pick any service when logging in (except facebook-tor)
  5    # * facebook - connect to FB Messenger via facebook.com
  6    # * facebook-tor - connect to FB Messenger via facebookwkhpilnemxj7asaniu7vnjjbiltxjqhye3mhbshg7kx5tfyd.onion
  7    # * messenger - connect to FB Messenger via messenger.com (can be used with the facebook side deactivated)
  8    # * messenger-lite - connect to FB Messenger via Messenger iOS API
  9    # * instagram - connect to Instagram DMs via instagram.com
 10    #
 11    # Remember to change the appservice id, bot profile info, bridge username_template and management_room_text too.
 12    mode:
 13    # Should users be allowed to pick messenger.com login when mode is set to `facebook`?
 14    allow_messenger_com_on_fb: false
 15    
 16    # When in Instagram mode, should the bridge connect to WhatsApp servers for encrypted chats?
 17    # In FB/Messenger mode encryption is always enabled, this option only affects Instagram mode.
 18    ig_e2ee: false
 19    
 20    # Displayname template for FB/IG users. Available variables:
 21    #  .DisplayName - The display name set by the user.
 22    #  .Username - The username set by the user.
 23    #  .ID - The internal user ID of the user.
 24    displayname_template: '{{or .DisplayName .Username "Unknown user"}}'
 25    
 26    # Static proxy address (HTTP or SOCKS5) for connecting to Meta.
 27    proxy:
 28    # HTTP endpoint to request new proxy address from, for dynamically assigned proxies.
 29    # The endpoint must return a JSON body with a string field called proxy_url.
 30    get_proxy_from:
 31    # Should media be proxied too?
 32    proxy_media: false
 33    # Minimum interval between full reconnects in seconds, default is 1 hour
 34    min_full_reconnect_interval_seconds: 3600
 35    # Interval to force refresh the connection (full reconnect), default is 20 hours. Set 0 to disable force refreshes.
 36    force_refresh_interval_seconds: 72000
 37    # Should connection state be cached to allow quicker restarts?
 38    cache_connection_state: false
 39    # Disable fetching XMA media (reels, stories, etc) when backfilling.
 40    disable_xma_backfill: true
 41    # Disable fetching XMA media entirely.
 42    disable_xma_always: false
 43    # Should the bridge mark you as online when you send typing
 44    # notifications? Currently, this only has an effect for E2EE chats on
 45    # Facebook/Messenger. Full presence bridging is not supported.
 46    send_presence_on_typing: false
 47    # Should the bridge, when operating in Instagram mode, subscribe to an
 48    # additional websocket to receive typing indicators from other users?
 49    # An additional connection is only needed for receiving Instagram
 50    # typing indicators; the existing connection(s) are sufficient to send
 51    # and receive typing indicators in all other cases.
 52    receive_instagram_typing_indicators: true
 53    # Should view-once messages be disabled entirely?
 54    disable_view_once: false
 55    
 56    # Thread backfill settings for syncing older conversations
 57    thread_backfill:
 58      # Number of batches (pages) to backfill (-1 for unlimited, 0 to disable)
 59      batch_count: -1
 60      # Delay between fetching each batch of threads (to avoid rate limiting)
 61      batch_delay: 2s
 62    
 63
 64# Config options that affect the central bridge module.
 65bridge:
 66    # The prefix for commands. Only required in non-management rooms.
 67    command_prefix: '!meta'
 68    # Should the bridge create a space for each login containing the rooms that account is in?
 69    personal_filtering_spaces: true
 70    # Whether the bridge should set names and avatars explicitly for DM portals.
 71    # This is only necessary when using clients that don't support MSC4171.
 72    private_chat_portal_meta: true
 73    # Should events be handled asynchronously within portal rooms?
 74    # If true, events may end up being out of order, but slow events won't block other ones.
 75    # This is not yet safe to use.
 76    async_events: false
 77    # Should every user have their own portals rather than sharing them?
 78    # By default, users who are in the same group on the remote network will be
 79    # in the same Matrix room bridged to that group. If this is set to true,
 80    # every user will get their own Matrix room instead.
 81    # SETTING THIS IS IRREVERSIBLE AND POTENTIALLY DESTRUCTIVE IF PORTALS ALREADY EXIST.
 82    split_portals: false
 83    # Should the bridge resend `m.bridge` events to all portals on startup?
 84    resend_bridge_info: false
 85    # Should `m.bridge` events be sent without a state key?
 86    # By default, the bridge uses a unique key that won't conflict with other bridges.
 87    no_bridge_info_state_key: false
 88    # Should bridge connection status be sent to the management room as `m.notice` events?
 89    # These contain the same data that can be posted to an external HTTP server using homeserver -> status_endpoint.
 90    # Allowed values: none, errors, all
 91    bridge_status_notices: errors
 92    # How long after an unknown error should the bridge attempt a full reconnect?
 93    # Must be at least 1 minute. The bridge will add an extra ±20% jitter to this value.
 94    unknown_error_auto_reconnect: null
 95
 96    # Should leaving Matrix rooms be bridged as leaving groups on the remote network?
 97    bridge_matrix_leave: false
 98    # Should `m.notice` messages be bridged?
 99    bridge_notices: false
100    # Should room tags only be synced when creating the portal? Tags mean things like favorite/pin and archive/low priority.
101    # Tags currently can't be synced back to the remote network, so a continuous sync means tagging from Matrix will be undone.
102    tag_only_on_create: true
103    # List of tags to allow bridging. If empty, no tags will be bridged.
104    only_bridge_tags: [m.favourite, m.lowpriority]
105    # Should room mute status only be synced when creating the portal?
106    # Like tags, mutes can't currently be synced back to the remote network.
107    mute_only_on_create: true
108    # Should the bridge check the db to ensure that incoming events haven't been handled before
109    deduplicate_matrix_messages: false
110    # Should cross-room reply metadata be bridged?
111    # Most Matrix clients don't support this and servers may reject such messages too.
112    cross_room_replies: false
113    # If a state event fails to bridge, should the bridge revert any state changes made by that event?
114    revert_failed_state_changes: false
115    # In portals with no relay set, should Matrix users be kicked if they're
116    # not logged into an account that's in the remote chat?
117    kick_matrix_users: true
118
119    # What should be done to portal rooms when a user logs out or is logged out?
120    # Permitted values:
121    #   nothing - Do nothing, let the user stay in the portals
122    #   kick - Remove the user from the portal rooms, but don't delete them
123    #   unbridge - Remove all ghosts in the room and disassociate it from the remote chat
124    #   delete - Remove all ghosts and users from the room (i.e. delete it)
125    cleanup_on_logout:
126        # Should cleanup on logout be enabled at all?
127        enabled: false
128        # Settings for manual logouts (explicitly initiated by the Matrix user)
129        manual:
130            # Action for private portals which will never be shared with other Matrix users.
131            private: nothing
132            # Action for portals with a relay user configured.
133            relayed: nothing
134            # Action for portals which may be shared, but don't currently have any other Matrix users.
135            shared_no_users: nothing
136            # Action for portals which have other logged-in Matrix users.
137            shared_has_users: nothing
138        # Settings for credentials being invalidated (initiated by the remote network, possibly through user action).
139        # Keys have the same meanings as in the manual section.
140        bad_credentials:
141            private: nothing
142            relayed: nothing
143            shared_no_users: nothing
144            shared_has_users: nothing
145
146    # Settings for relay mode
147    relay:
148        # Whether relay mode should be allowed. If allowed, the set-relay command can be used to turn any
149        # authenticated user into a relaybot for that chat.
150        enabled: false
151        # Should only admins be allowed to set themselves as relay users?
152        # If true, non-admins can only set users listed in default_relays as relays in a room.
153        admin_only: true
154        # List of user login IDs which anyone can set as a relay, as long as the relay user is in the room.
155        default_relays: []
156        # The formats to use when sending messages via the relaybot.
157        # Available variables:
158        #   .Sender.UserID - The Matrix user ID of the sender.
159        #   .Sender.Displayname - The display name of the sender (if set).
160        #   .Sender.RequiresDisambiguation - Whether the sender's name may be confused with the name of another user in the room.
161        #   .Sender.DisambiguatedName - The disambiguated name of the sender. This will be the displayname if set,
162        #                               plus the user ID in parentheses if the displayname is not unique.
163        #                               If the displayname is not set, this is just the user ID.
164        #   .Message - The `formatted_body` field of the message.
165        #   .Caption - The `formatted_body` field of the message, if it's a caption. Otherwise an empty string.
166        #   .FileName - The name of the file being sent.
167        message_formats:
168            m.text: "<b>{{ .Sender.DisambiguatedName }}</b>: {{ .Message }}"
169            m.notice: "<b>{{ .Sender.DisambiguatedName }}</b>: {{ .Message }}"
170            m.emote: "* <b>{{ .Sender.DisambiguatedName }}</b> {{ .Message }}"
171            m.file: "<b>{{ .Sender.DisambiguatedName }}</b> sent a file{{ if .Caption }}: {{ .Caption }}{{ end }}"
172            m.image: "<b>{{ .Sender.DisambiguatedName }}</b> sent an image{{ if .Caption }}: {{ .Caption }}{{ end }}"
173            m.audio: "<b>{{ .Sender.DisambiguatedName }}</b> sent an audio file{{ if .Caption }}: {{ .Caption }}{{ end }}"
174            m.video: "<b>{{ .Sender.DisambiguatedName }}</b> sent a video{{ if .Caption }}: {{ .Caption }}{{ end }}"
175            m.location: "<b>{{ .Sender.DisambiguatedName }}</b> sent a location{{ if .Caption }}: {{ .Caption }}{{ end }}"
176        # For networks that support per-message displaynames (i.e. Slack and Discord), the template for those names.
177        # This has all the Sender variables available under message_formats (but without the .Sender prefix).
178        # Note that you need to manually remove the displayname from message_formats above.
179        displayname_format: "{{ .DisambiguatedName }}"
180
181    # Permissions for using the bridge.
182    # Permitted values:
183    #    relay - Talk through the relaybot (if enabled), no access otherwise
184    # commands - Access to use commands in the bridge, but not login.
185    #     user - Access to use the bridge with puppeting.
186    #    admin - Full access, user level with some additional administration tools.
187    # Permitted keys:
188    #        * - All Matrix users
189    #   domain - All users on that homeserver
190    #     mxid - Specific user
191    permissions:
192        "*": relay
193        "example.com": user
194        "@admin:example.com": admin
195
196# Config for the bridge's database.
197database:
198    # The database type. "sqlite3-fk-wal" and "postgres" are supported.
199    type: postgres
200    # The database URI.
201    #   SQLite: A raw file path is supported, but `file:<path>?_txlock=immediate` is recommended.
202    #           https://github.com/mattn/go-sqlite3#connection-string
203    #   Postgres: Connection string. For example, postgres://user:password@host/database?sslmode=disable
204    #             To connect via Unix socket, use something like postgres:///dbname?host=/var/run/postgresql
205    uri: postgres://user:password@host/database?sslmode=disable
206    # Maximum number of connections.
207    max_open_conns: 5
208    max_idle_conns: 1
209    # Maximum connection idle time and lifetime before they're closed. Disabled if null.
210    # Parsed with https://pkg.go.dev/time#ParseDuration
211    max_conn_idle_time: null
212    max_conn_lifetime: null
213
214# Homeserver details.
215homeserver:
216    # The address that this appservice can use to connect to the homeserver.
217    # Local addresses without HTTPS are generally recommended when the bridge is running on the same machine,
218    # but https also works if they run on different machines.
219    address: http://example.localhost:8008
220    # The domain of the homeserver (also known as server_name, used for MXIDs, etc).
221    domain: example.com
222
223    # What software is the homeserver running?
224    # Standard Matrix homeservers like Synapse, Dendrite and Conduit should just use "standard" here.
225    software: standard
226    # The URL to push real-time bridge status to.
227    # If set, the bridge will make POST requests to this URL whenever a user's remote network connection state changes.
228    # The bridge will use the appservice as_token to authorize requests.
229    status_endpoint:
230    # Endpoint for reporting per-message status.
231    # If set, the bridge will make POST requests to this URL when processing a message from Matrix.
232    # It will make one request when receiving the message (step BRIDGE), one after decrypting if applicable
233    # (step DECRYPTED) and one after sending to the remote network (step REMOTE). Errors will also be reported.
234    # The bridge will use the appservice as_token to authorize requests.
235    message_send_checkpoint_endpoint:
236    # Does the homeserver support https://github.com/matrix-org/matrix-spec-proposals/pull/2246?
237    async_media: false
238
239    # Should the bridge use a websocket for connecting to the homeserver?
240    # The server side is currently not documented anywhere and is only implemented by mautrix-wsproxy,
241    # mautrix-asmux (deprecated), and hungryserv (proprietary).
242    websocket: false
243    # How often should the websocket be pinged? Pinging will be disabled if this is zero.
244    ping_interval_seconds: 0
245
246# Application service host/registration related details.
247# Changing these values requires regeneration of the registration (except when noted otherwise)
248appservice:
249    # The address that the homeserver can use to connect to this appservice.
250    # Like the homeserver address, a local non-https address is recommended when the bridge is on the same machine.
251    # If the bridge is elsewhere, you must secure the connection yourself (e.g. with https or wireguard)
252    # If you want to use https, you need to use a reverse proxy. The bridge does not have TLS support built in.
253    address: http://localhost:29319
254    # A public address that external services can use to reach this appservice.
255    # This is only needed for things like public media. A reverse proxy is generally necessary when using this field.
256    # This value doesn't affect the registration file.
257    public_address: https://bridge.example.com
258
259    # The hostname and port where this appservice should listen.
260    # For Docker, you generally have to change the hostname to 0.0.0.0.
261    hostname: 127.0.0.1
262    port: 29319
263
264    # The unique ID of this appservice.
265    id: meta
266    # Appservice bot details.
267    bot:
268        # Username of the appservice bot.
269        username: metabot
270        # Display name and avatar for bot. Set to "remove" to remove display name/avatar, leave empty
271        # to leave display name/avatar as-is.
272        displayname: Meta bridge bot
273        avatar: mxc://maunium.net/DxpVrwwzPUwaUSazpsjXgcKB
274
275    # Whether to receive ephemeral events via appservice transactions.
276    ephemeral_events: true
277    # Should incoming events be handled asynchronously?
278    # This may be necessary for large public instances with lots of messages going through.
279    # However, messages will not be guaranteed to be bridged in the same order they were sent in.
280    # This value doesn't affect the registration file.
281    async_transactions: false
282
283    # Authentication tokens for AS <-> HS communication. Autogenerated; do not modify.
284    as_token: "This value is generated when generating the registration"
285    hs_token: "This value is generated when generating the registration"
286
287    # Localpart template of MXIDs for remote users.
288    # {{.}} is replaced with the internal ID of the user.
289    username_template: meta_{{.}}
290
291# Config options that affect the Matrix connector of the bridge.
292matrix:
293    # Whether the bridge should send the message status as a custom com.beeper.message_send_status event.
294    message_status_events: false
295    # Whether the bridge should send a read receipt after successfully bridging a message.
296    delivery_receipts: false
297    # Whether the bridge should send error notices via m.notice events when a message fails to bridge.
298    message_error_notices: true
299    # Whether the bridge should update the m.direct account data event when double puppeting is enabled.
300    sync_direct_chat_list: true
301    # Whether created rooms should have federation enabled. If false, created portal rooms
302    # will never be federated. Changing this option requires recreating rooms.
303    federate_rooms: true
304    # The threshold as bytes after which the bridge should roundtrip uploads via the disk
305    # rather than keeping the whole file in memory.
306    upload_file_threshold: 5242880
307
308# Segment-compatible analytics endpoint for tracking some events, like provisioning API login and encryption errors.
309analytics:
310    # API key to send with tracking requests. Tracking is disabled if this is null.
311    token: null
312    # Address to send tracking requests to.
313    url: https://api.segment.io/v1/track
314    # Optional user ID for tracking events. If null, defaults to using Matrix user ID.
315    user_id: null
316
317# Settings for provisioning API
318provisioning:
319    # Shared secret for authentication. If set to "generate" or null, a random secret will be generated,
320    # or if set to "disable", the provisioning API will be disabled. Must be at least 16 characters.
321    shared_secret: generate
322    # Whether to allow provisioning API requests to be authed using Matrix access tokens.
323    # This follows the same rules as double puppeting to determine which server to contact to check the token,
324    # which means that by default, it only works for users on the same server as the bridge.
325    allow_matrix_auth: true
326    # Enable debug API at /debug with provisioning authentication.
327    debug_endpoints: false
328    # Enable session transfers between bridges. Note that this only validates Matrix or shared secret
329    # auth before passing live network client credentials down in the response.
330    enable_session_transfers: false
331
332# Some networks require publicly accessible media download links (e.g. for user avatars when using Discord webhooks).
333# These settings control whether the bridge will provide such public media access.
334public_media:
335    # Should public media be enabled at all?
336    # The public_address field under the appservice section MUST be set when enabling public media.
337    enabled: false
338    # A key for signing public media URLs.
339    # If set to "generate", a random key will be generated.
340    signing_key: generate
341    # Number of seconds that public media URLs are valid for.
342    # If set to 0, URLs will never expire.
343    expiry: 0
344    # Length of hash to use for public media URLs. Must be between 0 and 32.
345    hash_length: 32
346    # The path prefix for generated URLs. Note that this will NOT change the path where media is actually served.
347    # If you change this, you must configure your reverse proxy to rewrite the path accordingly.
348    path_prefix: /_mautrix/publicmedia
349    # Should the bridge store media metadata in the database in order to support encrypted media and generate shorter URLs?
350    # If false, the generated URLs will just have the MXC URI and a HMAC signature.
351    # The hash_length field will be used to decide the length of the generated URL.
352    # This also allows invalidating URLs by deleting the database entry.
353    use_database: false
354
355# Settings for converting remote media to custom mxc:// URIs instead of reuploading.
356# More details can be found at https://docs.mau.fi/bridges/go/discord/direct-media.html
357direct_media:
358    # Should custom mxc:// URIs be used instead of reuploading media?
359    enabled: false
360    # The server name to use for the custom mxc:// URIs.
361    # This server name will effectively be a real Matrix server, it just won't implement anything other than media.
362    # You must either set up .well-known delegation from this domain to the bridge, or proxy the domain directly to the bridge.
363    server_name: discord-media.example.com
364    # Optionally a custom .well-known response. This defaults to `server_name:443`
365    well_known_response:
366    # Optionally specify a custom prefix for the media ID part of the MXC URI.
367    media_id_prefix:
368    # If the remote network supports media downloads over HTTP, then the bridge will use MSC3860/MSC3916
369    # media download redirects if the requester supports it. Optionally, you can force redirects
370    # and not allow proxying at all by setting this to false.
371    # This option does nothing if the remote network does not support media downloads over HTTP.
372    allow_proxy: true
373    # Matrix server signing key to make the federation tester pass, same format as synapse's .signing.key file.
374    # This key is also used to sign the mxc:// URIs to ensure only the bridge can generate them.
375    server_key: generate
376
377# Settings for backfilling messages.
378# Note that the exact way settings are applied depends on the network connector.
379# See https://docs.mau.fi/bridges/general/backfill.html for more details.
380backfill:
381    # Whether to do backfilling at all.
382    enabled: false
383    # Maximum number of messages to backfill in empty rooms.
384    max_initial_messages: 50
385    # Maximum number of missed messages to backfill after bridge restarts.
386    max_catchup_messages: 500
387    # If a backfilled chat is older than this number of hours,
388    # mark it as read even if it's unread on the remote network.
389    unread_hours_threshold: 720
390    # Settings for backfilling threads within other backfills.
391    threads:
392        # Maximum number of messages to backfill in a new thread.
393        max_initial_messages: 50
394    # Settings for the backwards backfill queue. This only applies when connecting to
395    # Beeper as standard Matrix servers don't support inserting messages into history.
396    queue:
397        # Should the backfill queue be enabled?
398        enabled: false
399        # Number of messages to backfill in one batch.
400        batch_size: 100
401        # Delay between batches in seconds.
402        batch_delay: 20
403        # Maximum number of batches to backfill per portal.
404        # If set to -1, all available messages will be backfilled.
405        max_batches: -1
406        # Optional network-specific overrides for max batches.
407        # Interpretation of this field depends on the network connector.
408        max_batches_override: {}
409
410# Settings for enabling double puppeting
411double_puppet:
412    # Servers to always allow double puppeting from.
413    # This is only for other servers and should NOT contain the server the bridge is on.
414    servers:
415        anotherserver.example.org: https://matrix.anotherserver.example.org
416    # Whether to allow client API URL discovery for other servers. When using this option,
417    # users on other servers can use double puppeting even if their server URLs aren't
418    # explicitly added to the servers map above.
419    allow_discovery: false
420    # Shared secrets for automatic double puppeting.
421    # See https://docs.mau.fi/bridges/general/double-puppeting.html for instructions.
422    secrets:
423        example.com: as_token:foobar
424
425# End-to-bridge encryption support options.
426#
427# See https://docs.mau.fi/bridges/general/end-to-bridge-encryption.html for more info.
428encryption:
429    # Whether to enable encryption at all. If false, the bridge will not function in encrypted rooms.
430    allow: false
431    # Whether to force-enable encryption in all bridged rooms.
432    default: false
433    # Whether to require all messages to be encrypted and drop any unencrypted messages.
434    require: false
435    # Whether to use MSC3202/MSC4203 instead of /sync long polling for receiving encryption-related data.
436    # This option is not yet compatible with standard Matrix servers like Synapse and should not be used.
437    # Changing this option requires updating the appservice registration file.
438    appservice: false
439    # Whether to use MSC4190 instead of appservice login to create the bridge bot device.
440    # Requires the homeserver to support MSC4190 and the device masquerading parts of MSC3202.
441    # Only relevant when using end-to-bridge encryption, required when using encryption with next-gen auth (MSC3861).
442    # Changing this option requires updating the appservice registration file.
443    msc4190: false
444    # Whether to encrypt reactions and reply metadata as per MSC4392.
445    msc4392: false
446    # Should the bridge bot generate a recovery key and cross-signing keys and verify itself?
447    # Note that without the latest version of MSC4190, this will fail if you reset the bridge database.
448    # The generated recovery key will be saved in the kv_store table under `recovery_key`.
449    self_sign: false
450    # Enable key sharing? If enabled, key requests for rooms where users are in will be fulfilled.
451    # You must use a client that supports requesting keys from other users to use this feature.
452    allow_key_sharing: true
453    # Pickle key for encrypting encryption keys in the bridge database.
454    # If set to generate, a random key will be generated.
455    pickle_key: generate
456    # Options for deleting megolm sessions from the bridge.
457    delete_keys:
458        # Beeper-specific: delete outbound sessions when hungryserv confirms
459        # that the user has uploaded the key to key backup.
460        delete_outbound_on_ack: false
461        # Don't store outbound sessions in the inbound table.
462        dont_store_outbound: false
463        # Ratchet megolm sessions forward after decrypting messages.
464        ratchet_on_decrypt: false
465        # Delete fully used keys (index >= max_messages) after decrypting messages.
466        delete_fully_used_on_decrypt: false
467        # Delete previous megolm sessions from same device when receiving a new one.
468        delete_prev_on_new_session: false
469        # Delete megolm sessions received from a device when the device is deleted.
470        delete_on_device_delete: false
471        # Periodically delete megolm sessions when 2x max_age has passed since receiving the session.
472        periodically_delete_expired: false
473        # Delete inbound megolm sessions that don't have the received_at field used for
474        # automatic ratcheting and expired session deletion. This is meant as a migration
475        # to delete old keys prior to the bridge update.
476        delete_outdated_inbound: false
477    # What level of device verification should be required from users?
478    #
479    # Valid levels:
480    #   unverified - Send keys to all device in the room.
481    #   cross-signed-untrusted - Require valid cross-signing, but trust all cross-signing keys.
482    #   cross-signed-tofu - Require valid cross-signing, trust cross-signing keys on first use (and reject changes).
483    #   cross-signed-verified - Require valid cross-signing, plus a valid user signature from the bridge bot.
484    #                           Note that creating user signatures from the bridge bot is not currently possible.
485    #   verified - Require manual per-device verification
486    #              (currently only possible by modifying the `trust` column in the `crypto_device` database table).
487    verification_levels:
488        # Minimum level for which the bridge should send keys to when bridging messages from the remote network to Matrix.
489        receive: unverified
490        # Minimum level that the bridge should accept for incoming Matrix messages.
491        send: unverified
492        # Minimum level that the bridge should require for accepting key requests.
493        share: cross-signed-tofu
494    # Options for Megolm room key rotation. These options allow you to configure the m.room.encryption event content.
495    # See https://spec.matrix.org/v1.10/client-server-api/#mroomencryption for more information about that event.
496    rotation:
497        # Enable custom Megolm room key rotation settings. Note that these
498        # settings will only apply to rooms created after this option is set.
499        enable_custom: false
500        # The maximum number of milliseconds a session should be used
501        # before changing it. The Matrix spec recommends 604800000 (a week)
502        # as the default.
503        milliseconds: 604800000
504        # The maximum number of messages that should be sent with a given a
505        # session before changing it. The Matrix spec recommends 100 as the
506        # default.
507        messages: 100
508        # Disable rotating keys when a user's devices change?
509        # You should not enable this option unless you understand all the implications.
510        disable_device_change_key_rotation: false
511
512# Prefix for environment variables. All variables with this prefix must map to valid config fields.
513# Nesting in variable names is represented with a dot (.).
514# If there are no dots in the name, two underscores (__) are replaced with a dot.
515#
516# e.g. if the prefix is set to `BRIDGE_`, then `BRIDGE_APPSERVICE__AS_TOKEN` will set appservice.as_token.
517# `BRIDGE_appservice.as_token` would work as well, but can't be set in a shell as easily.
518#
519# If this is null, reading config fields from environment will be disabled.
520env_config_prefix: null
521
522# Logging config. See https://github.com/tulir/zeroconfig for details.
523logging:
524    min_level: debug
525    writers:
526        - type: stdout
527          format: pretty-colored
528        - type: file
529          format: json
530          filename: ./logs/bridge.log
531          max_size: 100
532          max_backups: 10
533          compress: false