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    # Explicit list of allowed login methods. Overrides other login method options if non-empty.
 16    allowed_modes: []
 17    
 18    # Displayname template for FB/IG users. Available variables:
 19    #  .DisplayName - The display name set by the user.
 20    #  .Username - The username set by the user.
 21    #  .ID - The internal user ID of the user.
 22    displayname_template: '{{or .DisplayName .Username "Unknown user"}}'
 23    
 24    # Static proxy address (HTTP or SOCKS5) for connecting to Meta.
 25    proxy:
 26    # HTTP endpoint to request new proxy address from, for dynamically assigned proxies.
 27    # The endpoint must return a JSON body with a string field called proxy_url.
 28    get_proxy_from:
 29    # Should media be proxied too?
 30    proxy_media: false
 31    # Should E2EE messages be proxied too?
 32    proxy_e2ee: 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    # Should FB marketplace chats have a separate space inside the main Facebook space?
 56    marketplace_space: true
 57    
 58    # Thread backfill settings for syncing older conversations
 59    thread_backfill:
 60      # Number of batches (pages) to backfill (-1 for unlimited, 0 to disable)
 61      batch_count: -1
 62      # Delay between fetching each batch of threads (to avoid rate limiting)
 63      batch_delay: 2s
 64    
 65
 66# Config options that affect the central bridge module.
 67bridge:
 68    # The prefix for commands. Only required in non-management rooms.
 69    command_prefix: '!meta'
 70    # Should the bridge create a space for each login containing the rooms that account is in?
 71    personal_filtering_spaces: true
 72    # Whether the bridge should set names and avatars explicitly for DM portals.
 73    # This is only necessary when using clients that don't support MSC4171.
 74    private_chat_portal_meta: true
 75    # Should events be handled asynchronously within portal rooms?
 76    # If true, events may end up being out of order, but slow events won't block other ones.
 77    # This is not yet safe to use.
 78    async_events: false
 79    # Should every user have their own portals rather than sharing them?
 80    # By default, users who are in the same group on the remote network will be
 81    # in the same Matrix room bridged to that group. If this is set to true,
 82    # every user will get their own Matrix room instead.
 83    # SETTING THIS IS IRREVERSIBLE AND POTENTIALLY DESTRUCTIVE IF PORTALS ALREADY EXIST.
 84    split_portals: false
 85    # Should the bridge resend `m.bridge` events to all portals on startup?
 86    resend_bridge_info: false
 87    # Should `m.bridge` events be sent without a state key?
 88    # By default, the bridge uses a unique key that won't conflict with other bridges.
 89    no_bridge_info_state_key: false
 90    # Should bridge connection status be sent to the management room as `m.notice` events?
 91    # These contain the same data that can be posted to an external HTTP server using homeserver -> status_endpoint.
 92    # Allowed values: none, errors, all
 93    bridge_status_notices: errors
 94    # How long after an unknown error should the bridge attempt a full reconnect?
 95    # Must be at least 1 minute. The bridge will add an extra ±20% jitter to this value.
 96    unknown_error_auto_reconnect: null
 97    # Maximum number of times to do the auto-reconnect above.
 98    # The counter is per login, but is never reset except on logout and restart.
 99    unknown_error_max_auto_reconnects: 10
100
101    # Should leaving Matrix rooms be bridged as leaving groups on the remote network?
102    bridge_matrix_leave: false
103    # Should `m.notice` messages be bridged?
104    bridge_notices: false
105    # Should room tags only be synced when creating the portal? Tags mean things like favorite/pin and archive/low priority.
106    # Tags currently can't be synced back to the remote network, so a continuous sync means tagging from Matrix will be undone.
107    tag_only_on_create: true
108    # List of tags to allow bridging. If empty, no tags will be bridged.
109    only_bridge_tags: [m.favourite, m.lowpriority]
110    # Should room mute status only be synced when creating the portal?
111    # Like tags, mutes can't currently be synced back to the remote network.
112    mute_only_on_create: true
113    # Should the bridge check the db to ensure that incoming events haven't been handled before
114    deduplicate_matrix_messages: false
115    # Should cross-room reply metadata be bridged?
116    # Most Matrix clients don't support this and servers may reject such messages too.
117    cross_room_replies: false
118    # If a state event fails to bridge, should the bridge revert any state changes made by that event?
119    revert_failed_state_changes: false
120    # In portals with no relay set, should Matrix users be kicked if they're
121    # not logged into an account that's in the remote chat?
122    kick_matrix_users: true
123    # Should the bridge listen to com.beeper.state_request events?
124    # This is not necessary for anything outside of Beeper.
125    enable_send_state_requests: false
126    # Should the com.beeper.bridge.identifiers list in global ghost profiles include phone numbers?
127    phone_numbers_in_profile: false
128
129    # What should be done to portal rooms when a user logs out or is logged out?
130    # Permitted values:
131    #   nothing - Do nothing, let the user stay in the portals
132    #   kick - Remove the user from the portal rooms, but don't delete them
133    #   unbridge - Remove all ghosts in the room and disassociate it from the remote chat
134    #   delete - Remove all ghosts and users from the room (i.e. delete it)
135    cleanup_on_logout:
136        # Should cleanup on logout be enabled at all?
137        enabled: false
138        # Settings for manual logouts (explicitly initiated by the Matrix user)
139        manual:
140            # Action for private portals which will never be shared with other Matrix users.
141            private: nothing
142            # Action for portals with a relay user configured.
143            relayed: nothing
144            # Action for portals which may be shared, but don't currently have any other Matrix users.
145            shared_no_users: nothing
146            # Action for portals which have other logged-in Matrix users.
147            shared_has_users: nothing
148        # Settings for credentials being invalidated (initiated by the remote network, possibly through user action).
149        # Keys have the same meanings as in the manual section.
150        bad_credentials:
151            private: nothing
152            relayed: nothing
153            shared_no_users: nothing
154            shared_has_users: nothing
155
156    # Settings for relay mode
157    relay:
158        # Whether relay mode should be allowed. If allowed, the set-relay command can be used to turn any
159        # authenticated user into a relaybot for that chat.
160        enabled: false
161        # Should only admins be allowed to set themselves as relay users?
162        # If true, non-admins can only set users listed in default_relays as relays in a room.
163        admin_only: true
164        # Should default relays be preferred when an explicit login ID isn't specified even if the user is logged in?
165        # This applies to the set-relay and bridge commands sent by any user, including admins.
166        prefer_default: true
167        # Should non-admins be allowed to use the bridge and sync-chat commands via default relays specified below?
168        allow_bridge: true
169        # List of user login IDs which anyone can set as a relay, as long as the relay user is in the room.
170        default_relays: []
171        # The formats to use when sending messages via the relaybot.
172        # Available variables:
173        #   .Sender.UserID - The Matrix user ID of the sender.
174        #   .Sender.Displayname - The display name of the sender (if set).
175        #   .Sender.RequiresDisambiguation - Whether the sender's name may be confused with the name of another user in the room.
176        #   .Sender.DisambiguatedName - The disambiguated name of the sender. This will be the displayname if set,
177        #                               plus the user ID in parentheses if the displayname is not unique.
178        #                               If the displayname is not set, this is just the user ID.
179        #   .Message - The `formatted_body` field of the message.
180        #   .Caption - The `formatted_body` field of the message, if it's a caption. Otherwise an empty string.
181        #   .FileName - The name of the file being sent.
182        message_formats:
183            m.text: "<b>{{ .Sender.DisambiguatedName }}</b>: {{ .Message }}"
184            m.notice: "<b>{{ .Sender.DisambiguatedName }}</b>: {{ .Message }}"
185            m.emote: "* <b>{{ .Sender.DisambiguatedName }}</b> {{ .Message }}"
186            m.file: "<b>{{ .Sender.DisambiguatedName }}</b> sent a file{{ if .Caption }}: {{ .Caption }}{{ end }}"
187            m.image: "<b>{{ .Sender.DisambiguatedName }}</b> sent an image{{ if .Caption }}: {{ .Caption }}{{ end }}"
188            m.audio: "<b>{{ .Sender.DisambiguatedName }}</b> sent an audio file{{ if .Caption }}: {{ .Caption }}{{ end }}"
189            m.video: "<b>{{ .Sender.DisambiguatedName }}</b> sent a video{{ if .Caption }}: {{ .Caption }}{{ end }}"
190            m.location: "<b>{{ .Sender.DisambiguatedName }}</b> sent a location{{ if .Caption }}: {{ .Caption }}{{ end }}"
191        # For networks that support per-message displaynames (i.e. Slack and Discord), the template for those names.
192        # This has all the Sender variables available under message_formats (but without the .Sender prefix).
193        # Note that you need to manually remove the displayname from message_formats above.
194        displayname_format: "{{ .DisambiguatedName }}"
195
196    # Filter for automatically creating portals.
197    portal_create_filter:
198        # The mode for filtering, either `deny` or `allow`
199        mode: deny
200        # The list of portal IDs to deny or allow depending on the mode config.
201        # Items here can either be the plain portal ID as a string, or an object with `id` and `receiver` fields.
202        # The receiver field is necessary if you want to target a specific DM portal for example.
203        list: []
204        # A list of user login IDs from which to always deny creating portals.
205        # This is meant to be used with default relays, such that the relay bot
206        # being added to a group wouldn't automatically trigger portal creation.
207        always_deny_from_login: []
208
209    # Permissions for using the bridge.
210    # Permitted values:
211    #    relay - Talk through the relaybot (if enabled), no access otherwise
212    # commands - Access to use commands in the bridge, but not login.
213    #     user - Access to use the bridge with puppeting.
214    #    admin - Full access, user level with some additional administration tools.
215    # Permitted keys:
216    #        * - All Matrix users
217    #   domain - All users on that homeserver
218    #     mxid - Specific user
219    permissions:
220        "*": relay
221        "example.com": user
222        "@admin:example.com": admin
223
224# Config for the bridge's database.
225database:
226    # The database type. "sqlite3-fk-wal" and "postgres" are supported.
227    type: postgres
228    # The database URI.
229    #   SQLite: A raw file path is supported, but `file:<path>?_txlock=immediate` is recommended.
230    #           https://github.com/mattn/go-sqlite3#connection-string
231    #   Postgres: Connection string. For example, postgres://user:password@host/database?sslmode=disable
232    #             To connect via Unix socket, use something like postgres:///dbname?host=/var/run/postgresql
233    uri: postgres://user:password@host/database?sslmode=disable
234    # Maximum number of connections.
235    max_open_conns: 5
236    max_idle_conns: 1
237    # Maximum connection idle time and lifetime before they're closed. Disabled if null.
238    # Parsed with https://pkg.go.dev/time#ParseDuration
239    max_conn_idle_time: null
240    max_conn_lifetime: null
241
242# Homeserver details.
243homeserver:
244    # The address that this appservice can use to connect to the homeserver.
245    # Local addresses without HTTPS are generally recommended when the bridge is running on the same machine,
246    # but https also works if they run on different machines.
247    address: http://example.localhost:8008
248    # The domain of the homeserver (also known as server_name, used for MXIDs, etc).
249    domain: example.com
250
251    # What software is the homeserver running?
252    # Standard Matrix homeservers like Synapse, Dendrite and Conduit should just use "standard" here.
253    software: standard
254    # The URL to push real-time bridge status to.
255    # If set, the bridge will make POST requests to this URL whenever a user's remote network connection state changes.
256    # The bridge will use the appservice as_token to authorize requests.
257    status_endpoint:
258    # Endpoint for reporting per-message status.
259    # If set, the bridge will make POST requests to this URL when processing a message from Matrix.
260    # It will make one request when receiving the message (step BRIDGE), one after decrypting if applicable
261    # (step DECRYPTED) and one after sending to the remote network (step REMOTE). Errors will also be reported.
262    # The bridge will use the appservice as_token to authorize requests.
263    message_send_checkpoint_endpoint:
264    # Does the homeserver support https://github.com/matrix-org/matrix-spec-proposals/pull/2246?
265    async_media: false
266
267    # Should the bridge use a websocket for connecting to the homeserver?
268    # The server side is currently not documented anywhere and is only implemented by mautrix-wsproxy,
269    # mautrix-asmux (deprecated), and hungryserv (proprietary).
270    websocket: false
271    # How often should the websocket be pinged? Pinging will be disabled if this is zero.
272    ping_interval_seconds: 0
273
274# Application service host/registration related details.
275# Changing these values requires regeneration of the registration (except when noted otherwise)
276appservice:
277    # The address that the homeserver can use to connect to this appservice.
278    # Like the homeserver address, a local non-https address is recommended when the bridge is on the same machine.
279    # If the bridge is elsewhere, you must secure the connection yourself (e.g. with https or wireguard)
280    # If you want to use https, you need to use a reverse proxy. The bridge does not have TLS support built in.
281    address: http://localhost:29319
282    # A public address that external services can use to reach this appservice.
283    # This is only needed for things like public media. A reverse proxy is generally necessary when using this field.
284    # This value doesn't affect the registration file.
285    public_address: https://bridge.example.com
286
287    # The hostname and port where this appservice should listen.
288    # For Docker, you generally have to change the hostname to 0.0.0.0.
289    hostname: 127.0.0.1
290    port: 29319
291
292    # The unique ID of this appservice.
293    id: meta
294    # Appservice bot details.
295    bot:
296        # Username of the appservice bot.
297        username: metabot
298        # Display name and avatar for bot. Set to "remove" to remove display name/avatar, leave empty
299        # to leave display name/avatar as-is.
300        displayname: Meta bridge bot
301        avatar: mxc://maunium.net/DxpVrwwzPUwaUSazpsjXgcKB
302
303    # Whether to receive ephemeral events via appservice transactions.
304    ephemeral_events: true
305    # Should incoming events be handled asynchronously?
306    # This may be necessary for large public instances with lots of messages going through.
307    # However, messages will not be guaranteed to be bridged in the same order they were sent in.
308    # This value doesn't affect the registration file.
309    async_transactions: false
310
311    # Authentication tokens for AS <-> HS communication. Autogenerated; do not modify.
312    as_token: "This value is generated when generating the registration"
313    hs_token: "This value is generated when generating the registration"
314
315    # Localpart template of MXIDs for remote users.
316    # {{.}} is replaced with the internal ID of the user.
317    username_template: meta_{{.}}
318
319# Config options that affect the Matrix connector of the bridge.
320matrix:
321    # Whether the bridge should send the message status as a custom com.beeper.message_send_status event.
322    message_status_events: false
323    # Whether the bridge should send a read receipt after successfully bridging a message.
324    delivery_receipts: false
325    # Whether the bridge should send error notices via m.notice events when a message fails to bridge.
326    message_error_notices: true
327    # Whether the bridge should update the m.direct account data event when double puppeting is enabled.
328    sync_direct_chat_list: true
329    # Whether created rooms should have federation enabled. If false, created portal rooms
330    # will never be federated. Changing this option requires recreating rooms.
331    federate_rooms: true
332    # The threshold as bytes after which the bridge should roundtrip uploads via the disk
333    # rather than keeping the whole file in memory.
334    upload_file_threshold: 5242880
335    # Should the bridge set additional custom profile info for ghosts?
336    # This can make a lot of requests, as there's no batch profile update endpoint.
337    ghost_extra_profile_info: false
338
339# Segment-compatible analytics endpoint for tracking some events, like provisioning API login and encryption errors.
340analytics:
341    # API key to send with tracking requests. Tracking is disabled if this is null.
342    token: null
343    # Address to send tracking requests to.
344    url: https://api.segment.io/v1/track
345    # Optional user ID for tracking events. If null, defaults to using Matrix user ID.
346    user_id: null
347
348# Settings for provisioning API
349provisioning:
350    # Shared secret for authentication. If set to "generate" or null, a random secret will be generated,
351    # or if set to "disable", the provisioning API will be disabled. Must be at least 16 characters.
352    shared_secret: generate
353    # Whether to allow provisioning API requests to be authed using Matrix access tokens.
354    # This follows the same rules as double puppeting to determine which server to contact to check the token,
355    # which means that by default, it only works for users on the same server as the bridge.
356    allow_matrix_auth: true
357    # Enable debug API at /debug with provisioning authentication.
358    debug_endpoints: false
359    # Enable session transfers between bridges. Note that this only validates Matrix or shared secret
360    # auth before passing live network client credentials down in the response.
361    enable_session_transfers: false
362
363# Some networks require publicly accessible media download links (e.g. for user avatars when using Discord webhooks).
364# These settings control whether the bridge will provide such public media access.
365public_media:
366    # Should public media be enabled at all?
367    # The public_address field under the appservice section MUST be set when enabling public media.
368    enabled: false
369    # A key for signing public media URLs.
370    # If set to "generate", a random key will be generated.
371    signing_key: generate
372    # Number of seconds that public media URLs are valid for.
373    # If set to 0, URLs will never expire.
374    expiry: 0
375    # Length of hash to use for public media URLs. Must be between 0 and 32.
376    hash_length: 32
377    # The path prefix for generated URLs. Note that this will NOT change the path where media is actually served.
378    # If you change this, you must configure your reverse proxy to rewrite the path accordingly.
379    path_prefix: /_mautrix/publicmedia
380    # Should the bridge store media metadata in the database in order to support encrypted media and generate shorter URLs?
381    # If false, the generated URLs will just have the MXC URI and a HMAC signature.
382    # The hash_length field will be used to decide the length of the generated URL.
383    # This also allows invalidating URLs by deleting the database entry.
384    use_database: false
385
386# Settings for converting remote media to custom mxc:// URIs instead of reuploading.
387# More details can be found at https://docs.mau.fi/bridges/go/discord/direct-media.html
388direct_media:
389    # Should custom mxc:// URIs be used instead of reuploading media?
390    enabled: false
391    # The server name to use for the custom mxc:// URIs.
392    # This server name will effectively be a real Matrix server, it just won't implement anything other than media.
393    # You must either set up .well-known delegation from this domain to the bridge, or proxy the domain directly to the bridge.
394    server_name: discord-media.example.com
395    # Optionally a custom .well-known response. This defaults to `server_name:443`
396    well_known_response:
397    # Optionally specify a custom prefix for the media ID part of the MXC URI.
398    media_id_prefix:
399    # If the remote network supports media downloads over HTTP, then the bridge will use MSC3860/MSC3916
400    # media download redirects if the requester supports it. Optionally, you can force redirects
401    # and not allow proxying at all by setting this to false.
402    # This option does nothing if the remote network does not support media downloads over HTTP.
403    allow_proxy: true
404    # Matrix server signing key to make the federation tester pass, same format as synapse's .signing.key file.
405    # This key is also used to sign the mxc:// URIs to ensure only the bridge can generate them.
406    server_key: generate
407
408# Settings for backfilling messages.
409# Note that the exact way settings are applied depends on the network connector.
410# See https://docs.mau.fi/bridges/general/backfill.html for more details.
411backfill:
412    # Whether to do backfilling at all.
413    enabled: false
414    # Maximum number of messages to backfill in empty rooms.
415    # If this is zero or negative, backfill will be disabled in new rooms.
416    max_initial_messages: 50
417    # Maximum number of missed messages to backfill after bridge restarts.
418    max_catchup_messages: 500
419    # If a backfilled chat is older than this number of hours,
420    # mark it as read even if it's unread on the remote network.
421    unread_hours_threshold: 720
422    # Settings for backfilling threads within other backfills.
423    threads:
424        # Maximum number of messages to backfill in a new thread.
425        max_initial_messages: 50
426    # Settings for the backwards backfill queue. This only applies when connecting to
427    # Beeper as standard Matrix servers don't support inserting messages into history.
428    queue:
429        # Should the backfill queue be enabled?
430        enabled: false
431        # Should manual calls to backfill queue tasks be allowed?
432        manual: false
433        # Number of messages to backfill in one batch.
434        batch_size: 100
435        # Delay between batches in seconds.
436        batch_delay: 20
437        # Maximum number of batches to backfill per portal.
438        # If set to -1, all available messages will be backfilled.
439        max_batches: -1
440        # Optional network-specific overrides for max batches.
441        # Interpretation of this field depends on the network connector.
442        max_batches_override: {}
443
444# Settings for enabling double puppeting
445double_puppet:
446    # Servers to always allow double puppeting from.
447    # This is only for other servers and should NOT contain the server the bridge is on.
448    servers:
449        anotherserver.example.org: https://matrix.anotherserver.example.org
450    # Whether to allow client API URL discovery for other servers. When using this option,
451    # users on other servers can use double puppeting even if their server URLs aren't
452    # explicitly added to the servers map above.
453    allow_discovery: false
454    # Shared secrets for automatic double puppeting.
455    # See https://docs.mau.fi/bridges/general/double-puppeting.html for instructions.
456    secrets:
457        example.com: as_token:foobar
458
459# End-to-bridge encryption support options.
460#
461# See https://docs.mau.fi/bridges/general/end-to-bridge-encryption.html for more info.
462encryption:
463    # Whether to enable encryption at all. If false, the bridge will not function in encrypted rooms.
464    allow: false
465    # Whether to force-enable encryption in all bridged rooms.
466    default: false
467    # Whether to require all messages to be encrypted and drop any unencrypted messages.
468    require: false
469    # Whether to use MSC3202/MSC4203 instead of /sync long polling for receiving encryption-related data.
470    # This is an experimental option, see the docs for more info.
471    # Changing this option requires updating the appservice registration file.
472    appservice: false
473    # Whether to use MSC4190 instead of appservice login to create the bridge bot device.
474    # Requires the homeserver to support MSC4190 and the device masquerading parts of MSC3202.
475    # Only relevant when using end-to-bridge encryption, required when using encryption with next-gen auth (MSC3861).
476    msc4190: false
477    # Whether to encrypt reactions and reply metadata as per MSC4392.
478    # This is not supported by most clients.
479    msc4392: false
480    # Should the bridge bot generate a recovery key and cross-signing keys and verify itself?
481    # Note that without the latest version of MSC4190, this will fail if you reset the bridge database.
482    # The generated recovery key will be saved in the kv_store table under `recovery_key`.
483    self_sign: false
484    # Enable key sharing? If enabled, key requests for rooms where users are in will be fulfilled.
485    # You must use a client that supports requesting keys from other users to use this feature.
486    allow_key_sharing: true
487    # Pickle key for encrypting encryption keys in the bridge database.
488    # If set to generate, a random key will be generated.
489    pickle_key: generate
490    # Options for deleting megolm sessions from the bridge.
491    delete_keys:
492        # Beeper-specific: delete outbound sessions when hungryserv confirms
493        # that the user has uploaded the key to key backup.
494        delete_outbound_on_ack: false
495        # Don't store outbound sessions in the inbound table.
496        dont_store_outbound: false
497        # Ratchet megolm sessions forward after decrypting messages.
498        ratchet_on_decrypt: false
499        # Delete fully used keys (index >= max_messages) after decrypting messages.
500        delete_fully_used_on_decrypt: false
501        # Delete previous megolm sessions from same device when receiving a new one.
502        delete_prev_on_new_session: false
503        # Delete megolm sessions received from a device when the device is deleted.
504        delete_on_device_delete: false
505        # Periodically delete megolm sessions when 2x max_age has passed since receiving the session.
506        periodically_delete_expired: false
507        # Delete inbound megolm sessions that don't have the received_at field used for
508        # automatic ratcheting and expired session deletion. This is meant as a migration
509        # to delete old keys prior to the bridge update.
510        delete_outdated_inbound: false
511    # What level of device verification should be required from users?
512    #
513    # Valid levels:
514    #   unverified - Send keys to all device in the room.
515    #   cross-signed-untrusted - Require valid cross-signing, but trust all cross-signing keys.
516    #   cross-signed-tofu - Require valid cross-signing, trust cross-signing keys on first use (and reject changes).
517    #   cross-signed-verified - Require valid cross-signing, plus a valid user signature from the bridge bot.
518    #                           Note that creating user signatures from the bridge bot is not currently possible.
519    #   verified - Require manual per-device verification
520    #              (currently only possible by modifying the `trust` column in the `crypto_device` database table).
521    verification_levels:
522        # Minimum level for which the bridge should send keys to when bridging messages from the remote network to Matrix.
523        receive: unverified
524        # Minimum level that the bridge should accept for incoming Matrix messages.
525        send: unverified
526        # Minimum level that the bridge should require for accepting key requests.
527        share: cross-signed-tofu
528    # Options for Megolm room key rotation. These options allow you to configure the m.room.encryption event content.
529    # See https://spec.matrix.org/v1.10/client-server-api/#mroomencryption for more information about that event.
530    rotation:
531        # Enable custom Megolm room key rotation settings. Note that these
532        # settings will only apply to rooms created after this option is set.
533        enable_custom: false
534        # The maximum number of milliseconds a session should be used
535        # before changing it. The Matrix spec recommends 604800000 (a week)
536        # as the default.
537        milliseconds: 604800000
538        # The maximum number of messages that should be sent with a given a
539        # session before changing it. The Matrix spec recommends 100 as the
540        # default.
541        messages: 100
542        # Disable rotating keys when a user's devices change?
543        # You should not enable this option unless you understand all the implications.
544        disable_device_change_key_rotation: false
545
546# Prefix for environment variables. All variables with this prefix must map to valid config fields.
547# Nesting in variable names is represented with a dot (.).
548# If there are no dots in the name, two underscores (__) are replaced with a dot.
549#
550# e.g. if the prefix is set to `BRIDGE_`, then `BRIDGE_APPSERVICE__AS_TOKEN` will set appservice.as_token.
551# `BRIDGE_appservice.as_token` would work as well, but can't be set in a shell as easily.
552#
553# If this is null, reading config fields from environment will be disabled.
554env_config_prefix: null
555
556# Logging config. See https://github.com/tulir/zeroconfig for details.
557logging:
558    min_level: debug
559    writers:
560        - type: stdout
561          format: pretty-colored
562        - type: file
563          format: json
564          filename: ./logs/bridge.log
565          max_size: 100
566          max_backups: 10
567          compress: false