Raw YAML - Releases: latest, v26.08, v26.07

  1# Network-specific config options
  2network:
  3    # Displayname template for FB/IG users. Available variables:
  4    #  .DisplayName - The display name set by the user.
  5    #  .Username - The username set by the user.
  6    #  .ID - The internal user ID of the user.
  7    displayname_template: '{{or .DisplayName .Username "Unknown user"}}'
  8    
  9    # Static proxy address (HTTP or SOCKS5) for connecting to Instagram.
 10    proxy:
 11    # HTTP endpoint to request new proxy address from, for dynamically assigned proxies.
 12    # The endpoint must return a JSON body with a string field called proxy_url.
 13    get_proxy_from:
 14    # Should media be proxied too?
 15    proxy_media: false
 16    # Should other traffic, not configured here, be proxied?
 17    proxy_other: true
 18    # Minimum interval between full reconnects in seconds, default is 1 hour
 19    min_full_reconnect_interval_seconds: 3600
 20    # Interval to force refresh the connection (full reconnect), default is 20 hours. Set 0 to disable force refreshes.
 21    force_refresh_interval_seconds: 72000
 22    # Should connection state be cached to allow quicker restarts?
 23    cache_connection_state: true
 24    # Disable fetching XMA media (reels, stories, etc) when backfilling.
 25    disable_xma_backfill: true
 26    # Disable fetching XMA media entirely.
 27    disable_xma_always: false
 28    # Should typing notification bridging be disabled?
 29    # Bridging typing notifications requires 2 extra connections per user (one for receiving and one for sending),
 30    # because Meta only employs professional software engineers who make excellent architecture decisions.
 31    disable_typing: false
 32    # Should view-once messages be disabled entirely?
 33    disable_view_once: false
 34    
 35    # Thread backfill settings for syncing older conversations
 36    thread_backfill:
 37      # Number of batches (pages) to backfill (-1 for unlimited, 0 to disable)
 38      batch_count: 0
 39      # Delay between fetching each batch of threads (to avoid rate limiting)
 40      batch_delay: 2s
 41    
 42
 43# Config options that affect the central bridge module.
 44bridge:
 45    # The prefix for commands. Only required in non-management rooms.
 46    command_prefix: '!ig'
 47    # Should the bridge create a space for each login containing the rooms that account is in?
 48    personal_filtering_spaces: true
 49    # Whether the bridge should set names and avatars explicitly for DM portals.
 50    # This is only necessary when using clients that don't support MSC4171.
 51    private_chat_portal_meta: true
 52    # Should events be handled asynchronously within portal rooms?
 53    # If true, events may end up being out of order, but slow events won't block other ones.
 54    # This is not yet safe to use.
 55    async_events: false
 56    # Should every user have their own portals rather than sharing them?
 57    # By default, users who are in the same group on the remote network will be
 58    # in the same Matrix room bridged to that group. If this is set to true,
 59    # every user will get their own Matrix room instead.
 60    # SETTING THIS IS IRREVERSIBLE AND POTENTIALLY DESTRUCTIVE IF PORTALS ALREADY EXIST.
 61    split_portals: false
 62    # Should the bridge resend `m.bridge` events to all portals on startup?
 63    resend_bridge_info: false
 64    # Should `m.bridge` events be sent without a state key?
 65    # By default, the bridge uses a unique key that won't conflict with other bridges.
 66    no_bridge_info_state_key: false
 67    # Should bridge connection status be sent to the management room as `m.notice` events?
 68    # These contain the same data that can be posted to an external HTTP server using homeserver -> status_endpoint.
 69    # Allowed values: none, errors, all
 70    bridge_status_notices: errors
 71    # How long should TRANSIENT_DISCONNECT and CONNECTING states be held back before being reported?
 72    # If another state update occurs while waiting, the previous state won't be reported at all.
 73    transient_state_debounce: 0s
 74    # How long after an unknown error should the bridge attempt a full reconnect?
 75    # Must be at least 1 minute. The bridge will add an extra ±20% jitter to this value.
 76    unknown_error_auto_reconnect: null
 77    # Maximum number of times to do the auto-reconnect above.
 78    # The counter is per login, but is never reset except on logout and restart.
 79    unknown_error_max_auto_reconnects: 10
 80
 81    # Should leaving Matrix rooms be bridged as leaving groups on the remote network?
 82    bridge_matrix_leave: false
 83    # Should `m.notice` messages be bridged?
 84    bridge_notices: false
 85    # Should room tags only be synced when creating the portal? Tags mean things like favorite/pin and archive/low priority.
 86    # Tags currently can't be synced back to the remote network, so a continuous sync means tagging from Matrix will be undone.
 87    tag_only_on_create: true
 88    # List of tags to allow bridging. If empty, no tags will be bridged.
 89    only_bridge_tags: [m.favourite, m.lowpriority]
 90    # Should room mute status only be synced when creating the portal?
 91    # Like tags, mutes can't currently be synced back to the remote network.
 92    mute_only_on_create: true
 93    # Should the bridge check the db to ensure that incoming events haven't been handled before
 94    deduplicate_matrix_messages: false
 95    # Should cross-room reply metadata be bridged?
 96    # Most Matrix clients don't support this and servers may reject such messages too.
 97    cross_room_replies: false
 98    # If a state event fails to bridge, should the bridge revert any state changes made by that event?
 99    revert_failed_state_changes: false
100    # In portals with no relay set, should Matrix users be kicked if they're
101    # not logged into an account that's in the remote chat?
102    kick_matrix_users: true
103    # Should the bridge listen to com.beeper.state_request events?
104    # This is not necessary for anything outside of Beeper.
105    enable_send_state_requests: false
106    # Should the com.beeper.bridge.identifiers list in global ghost profiles include phone numbers?
107    phone_numbers_in_profile: false
108
109    # What should be done to portal rooms when a user logs out or is logged out?
110    # Permitted values:
111    #   nothing - Do nothing, let the user stay in the portals
112    #   kick - Remove the user from the portal rooms, but don't delete them
113    #   unbridge - Remove all ghosts in the room and disassociate it from the remote chat
114    #   delete - Remove all ghosts and users from the room (i.e. delete it)
115    cleanup_on_logout:
116        # Should cleanup on logout be enabled at all?
117        enabled: false
118        # Settings for manual logouts (explicitly initiated by the Matrix user)
119        manual:
120            # Action for private portals which will never be shared with other Matrix users.
121            private: nothing
122            # Action for portals with a relay user configured.
123            relayed: nothing
124            # Action for portals which may be shared, but don't currently have any other Matrix users.
125            shared_no_users: nothing
126            # Action for portals which have other logged-in Matrix users.
127            shared_has_users: nothing
128        # Settings for credentials being invalidated (initiated by the remote network, possibly through user action).
129        # Keys have the same meanings as in the manual section.
130        bad_credentials:
131            private: nothing
132            relayed: nothing
133            shared_no_users: nothing
134            shared_has_users: nothing
135
136    # Settings for relay mode
137    relay:
138        # Whether relay mode should be allowed. If allowed, the set-relay command can be used to turn any
139        # authenticated user into a relaybot for that chat.
140        enabled: false
141        # Should only admins be allowed to set themselves as relay users?
142        # If true, non-admins can only set users listed in default_relays as relays in a room.
143        admin_only: true
144        # Should default relays be preferred when an explicit login ID isn't specified even if the user is logged in?
145        # This applies to the set-relay and bridge commands sent by any user, including admins.
146        prefer_default: true
147        # Should non-admins be allowed to use the bridge and sync-chat commands via default relays specified below?
148        allow_bridge: true
149        # List of user login IDs which anyone can set as a relay, as long as the relay user is in the room.
150        default_relays: []
151        # An array of possible values for the .Sender.Distinguisher variable in message formats.
152        # Each user gets one of the values here, based on a hash of their Matrix user ID.
153        # If the array is empty, .Sender.Distinguisher will also be empty.
154        user_distinguishers: ["🟦", "🟣", "🟩", "⭕️", "🔶", "⬛️", "🔵", "🟢"]
155        # The formats to use when sending messages via the relaybot.
156        # Available variables:
157        #   .Sender.UserID - The Matrix user ID of the sender.
158        #   .Sender.Displayname - The display name of the sender (if set).
159        #   .Sender.Distinguisher - The stable distinguisher selected from user_distinguishers.
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    # Filter for automatically creating portals.
182    portal_create_filter:
183        # The mode for filtering, either `deny` or `allow`
184        mode: deny
185        # The list of portal IDs to deny or allow depending on the mode config.
186        # Items here can either be the plain portal ID as a string, or an object with `id` and `receiver` fields.
187        # The receiver field is necessary if you want to target a specific DM portal for example.
188        list: []
189        # A list of user login IDs from which to always deny creating portals.
190        # This is meant to be used with default relays, such that the relay bot
191        # being added to a group wouldn't automatically trigger portal creation.
192        always_deny_from_login: []
193
194    # Permissions for using the bridge.
195    # Permitted values:
196    #    relay - Talk through the relaybot (if enabled), no access otherwise
197    # commands - Access to use commands in the bridge, but not login.
198    #     user - Access to use the bridge with puppeting.
199    #    admin - Full access, user level with some additional administration tools.
200    # Permitted keys:
201    #        * - All Matrix users
202    #   domain - All users on that homeserver
203    #     mxid - Specific user
204    permissions:
205        "*": relay
206        "example.com": user
207        "@admin:example.com": admin
208
209# Config for the bridge's database.
210database:
211    # The database type. "sqlite3-fk-wal" and "postgres" are supported.
212    type: postgres
213    # The database URI.
214    #   SQLite: A raw file path is supported, but `file:<path>?_txlock=immediate` is recommended.
215    #           https://github.com/mattn/go-sqlite3#connection-string
216    #   Postgres: Connection string. For example, postgres://user:password@host/database?sslmode=disable
217    #             To connect via Unix socket, use something like postgres:///dbname?host=/var/run/postgresql
218    #             Using special characters in the password is strongly discouraged (but should work with manual URL encoding)
219    uri: postgres://user:password@host/database?sslmode=disable
220    # Maximum number of connections.
221    max_open_conns: 5
222    max_idle_conns: 1
223    # Maximum connection idle time and lifetime before they're closed. Disabled if null.
224    # Parsed with https://pkg.go.dev/time#ParseDuration
225    max_conn_idle_time: null
226    max_conn_lifetime: null
227
228# Homeserver details.
229homeserver:
230    # The address that this appservice can use to connect to the homeserver.
231    # Local addresses without HTTPS are generally recommended when the bridge is running on the same machine,
232    # but https also works if they run on different machines.
233    address: http://example.localhost:8008
234    # The domain of the homeserver (also known as server_name, used for MXIDs, etc).
235    domain: example.com
236
237    # What software is the homeserver running?
238    # Standard Matrix homeservers like Synapse, Dendrite and Conduit should just use "standard" here.
239    software: standard
240    # The URL to push real-time bridge status to.
241    # If set, the bridge will make POST requests to this URL whenever a user's remote network connection state changes.
242    # The bridge will use the appservice as_token to authorize requests.
243    status_endpoint:
244    # Endpoint for reporting per-message status.
245    # If set, the bridge will make POST requests to this URL when processing a message from Matrix.
246    # It will make one request when receiving the message (step BRIDGE), one after decrypting if applicable
247    # (step DECRYPTED) and one after sending to the remote network (step REMOTE). Errors will also be reported.
248    # The bridge will use the appservice as_token to authorize requests.
249    message_send_checkpoint_endpoint:
250    # Does the homeserver support https://github.com/matrix-org/matrix-spec-proposals/pull/2246?
251    async_media: false
252
253    # Should the bridge use a websocket for connecting to the homeserver?
254    # The server side is currently not documented anywhere and is only implemented by mautrix-wsproxy,
255    # mautrix-asmux (deprecated), and hungryserv (proprietary).
256    websocket: false
257    # How often should the websocket be pinged? Pinging will be disabled if this is zero.
258    ping_interval_seconds: 0
259    # When requests to the homeserver fail with a 502/503/504/429 status or a network error,
260    # how many times should the bridge retry the request before giving up?
261    retry_limit: 4
262
263# Application service host/registration related details.
264# Changing these values requires regeneration of the registration (except when noted otherwise)
265appservice:
266    # The address that the homeserver can use to connect to this appservice.
267    # Like the homeserver address, a local non-https address is recommended when the bridge is on the same machine.
268    # If the bridge is elsewhere, you must secure the connection yourself (e.g. with https or wireguard)
269    # If you want to use https, you need to use a reverse proxy. The bridge does not have TLS support built in.
270    address: http://localhost:29330
271    # A public address that external services can use to reach this appservice.
272    # This is only needed for things like public media. A reverse proxy is generally necessary when using this field.
273    # This value doesn't affect the registration file.
274    public_address: https://bridge.example.com
275
276    # The hostname and port where this appservice should listen.
277    # For Docker, you generally have to change the hostname to 0.0.0.0.
278    hostname: 127.0.0.1
279    port: 29330
280
281    # The unique ID of this appservice.
282    id: instagram
283    # Appservice bot details.
284    bot:
285        # Username of the appservice bot.
286        username: instagrambot
287        # Display name and avatar for bot. Set to "remove" to remove display name/avatar, leave empty
288        # to leave display name/avatar as-is.
289        displayname: Instagram bridge bot
290        avatar: mxc://maunium.net/JxjlbZUlCPULEeHZSwleUXQv
291
292    # Whether to receive ephemeral events via appservice transactions.
293    ephemeral_events: true
294    # Should incoming events be handled asynchronously?
295    # This may be necessary for large public instances with lots of messages going through.
296    # However, messages will not be guaranteed to be bridged in the same order they were sent in.
297    # This value doesn't affect the registration file.
298    async_transactions: false
299
300    # Authentication tokens for AS <-> HS communication. Autogenerated; do not modify.
301    as_token: "This value is generated when generating the registration"
302    hs_token: "This value is generated when generating the registration"
303
304    # Localpart template of MXIDs for remote users.
305    # {{.}} is replaced with the internal ID of the user.
306    username_template: instagram_{{.}}
307
308# Config options that affect the Matrix connector of the bridge.
309matrix:
310    # Whether the bridge should send the message status as a custom com.beeper.message_send_status event.
311    message_status_events: false
312    # Whether the bridge should send a read receipt after successfully bridging a message.
313    delivery_receipts: false
314    # Whether the bridge should send error notices via m.notice events when a message fails to bridge.
315    message_error_notices: true
316    # Whether the bridge should update the m.direct account data event when double puppeting is enabled.
317    sync_direct_chat_list: true
318    # Whether created rooms should have federation enabled. If false, created portal rooms
319    # will never be federated. Changing this option requires recreating rooms.
320    federate_rooms: true
321    # The threshold as bytes after which the bridge should roundtrip uploads via the disk
322    # rather than keeping the whole file in memory.
323    upload_file_threshold: 5242880
324    # Should the bridge set additional custom profile info for ghosts?
325    # This can make a lot of requests, as there's no batch profile update endpoint.
326    ghost_extra_profile_info: false
327
328# Segment-compatible analytics endpoint for tracking some events, like provisioning API login and encryption errors.
329analytics:
330    # API key to send with tracking requests. Tracking is disabled if this is null.
331    token: null
332    # Address to send tracking requests to.
333    url: https://api.segment.io/v1/track
334    # Optional user ID for tracking events. If null, defaults to using Matrix user ID.
335    user_id: null
336
337# Settings for provisioning API
338provisioning:
339    # Shared secret for authentication. If set to "generate" or null, a random secret will be generated,
340    # or if set to "disable", the provisioning API will be disabled. Must be at least 16 characters.
341    shared_secret: generate
342    # Whether to allow provisioning API requests to be authed using Matrix access tokens.
343    # This follows the same rules as double puppeting to determine which server to contact to check the token,
344    # which means that by default, it only works for users on the same server as the bridge.
345    allow_matrix_auth: true
346    # Enable debug API at /debug with provisioning authentication.
347    debug_endpoints: false
348    # Enable session transfers between bridges. Note that this only validates Matrix or shared secret
349    # auth before passing live network client credentials down in the response.
350    enable_session_transfers: false
351    # Should the provisioning API fail immediately if a webauthn step is returned?
352    # This is mostly useful for clients that don't yet support it and want a trackable error instead.
353    fail_on_webauthn: false
354    # The header that the request ID is sent back in.
355    request_id_header: Request-Id
356    # Should the request ID be read from the above header of incoming requests
357    trust_incoming_request_id: false
358
359# Some networks require publicly accessible media download links (e.g. for user avatars when using Discord webhooks).
360# These settings control whether the bridge will provide such public media access.
361public_media:
362    # Should public media be enabled at all?
363    # The public_address field under the appservice section MUST be set when enabling public media.
364    enabled: false
365    # A key for signing public media URLs.
366    # If set to "generate", a random key will be generated.
367    signing_key: generate
368    # Number of seconds that public media URLs are valid for.
369    # If set to 0, URLs will never expire.
370    expiry: 0
371    # Length of hash to use for public media URLs. Must be between 0 and 32.
372    hash_length: 32
373    # The path prefix for generated URLs. Note that this will NOT change the path where media is actually served.
374    # If you change this, you must configure your reverse proxy to rewrite the path accordingly.
375    path_prefix: /_mautrix/publicmedia
376    # Should the bridge store media metadata in the database in order to support encrypted media and generate shorter URLs?
377    # If false, the generated URLs will just have the MXC URI and a HMAC signature.
378    # The hash_length field will be used to decide the length of the generated URL.
379    # This also allows invalidating URLs by deleting the database entry.
380    use_database: false
381
382# Settings for converting remote media to custom mxc:// URIs instead of reuploading.
383# More details can be found at https://docs.mau.fi/bridges/go/discord/direct-media.html
384direct_media:
385    # Should custom mxc:// URIs be used instead of reuploading media?
386    enabled: false
387    # The server name to use for the custom mxc:// URIs.
388    # This server name will effectively be a real Matrix server, it just won't implement anything other than media.
389    # You must either set up .well-known delegation from this domain to the bridge, or proxy the domain directly to the bridge.
390    server_name: discord-media.example.com
391    # Optionally a custom .well-known response. This defaults to `server_name:443`
392    well_known_response:
393    # Optionally specify a custom prefix for the media ID part of the MXC URI.
394    media_id_prefix:
395    # If the remote network supports media downloads over HTTP, then the bridge will use MSC3860/MSC3916
396    # media download redirects if the requester supports it. Optionally, you can force redirects
397    # and not allow proxying at all by setting this to false.
398    # This option does nothing if the remote network does not support media downloads over HTTP.
399    allow_proxy: true
400    # Matrix server signing key to make the federation tester pass, same format as synapse's .signing.key file.
401    # This key is also used to sign the mxc:// URIs to ensure only the bridge can generate them.
402    server_key: generate
403
404# Settings for backfilling messages.
405# Note that the exact way settings are applied depends on the network connector.
406# See https://docs.mau.fi/bridges/general/backfill.html for more details.
407backfill:
408    # Whether to do backfilling at all.
409    enabled: false
410    # Maximum number of messages to backfill in empty rooms.
411    # If this is zero or negative, backfill will be disabled in new rooms.
412    max_initial_messages: 50
413    # Maximum number of missed messages to backfill after bridge restarts.
414    max_catchup_messages: 500
415    # If a backfilled chat is older than this number of hours,
416    # mark it as read even if it's unread on the remote network.
417    unread_hours_threshold: 720
418    # Settings for backfilling threads within other backfills.
419    threads:
420        # Maximum number of messages to backfill in a new thread.
421        max_initial_messages: 50
422    # Settings for the backwards backfill queue. This only applies when connecting to
423    # Beeper as standard Matrix servers don't support inserting messages into history.
424    queue:
425        # Should the backfill queue be enabled?
426        enabled: false
427        # Should manual calls to backfill queue tasks be allowed?
428        manual: false
429        # Number of messages to backfill in one batch.
430        batch_size: 100
431        # Delay between batches in seconds.
432        batch_delay: 20
433        # Maximum number of batches to backfill per portal.
434        # If set to -1, all available messages will be backfilled.
435        max_batches: -1
436        # Optional network-specific overrides for max batches.
437        # Interpretation of this field depends on the network connector.
438        max_batches_override: {}
439
440# Settings for enabling double puppeting
441double_puppet:
442    # Servers to always allow double puppeting from.
443    # This is only for other servers and should NOT contain the server the bridge is on.
444    servers:
445        anotherserver.example.org: https://matrix.anotherserver.example.org
446    # Whether to allow client API URL discovery for other servers. When using this option,
447    # users on other servers can use double puppeting even if their server URLs aren't
448    # explicitly added to the servers map above.
449    allow_discovery: false
450    # Shared secrets for automatic double puppeting.
451    # See https://docs.mau.fi/bridges/general/double-puppeting.html for instructions.
452    secrets:
453        example.com: as_token:foobar
454
455# End-to-bridge encryption support options.
456#
457# See https://docs.mau.fi/bridges/general/end-to-bridge-encryption.html for more info.
458encryption:
459    # Whether to enable encryption at all. If false, the bridge will not function in encrypted rooms.
460    allow: false
461    # Whether to force-enable encryption in all bridged rooms.
462    default: false
463    # Whether to require all messages to be encrypted and drop any unencrypted messages.
464    require: false
465    # Whether to use MSC3202/MSC4203 instead of /sync long polling for receiving encryption-related data.
466    # This is an experimental option, see the docs for more info.
467    # Changing this option requires updating the appservice registration file.
468    appservice: false
469    # Whether to use MSC4190 instead of appservice login to create the bridge bot device.
470    # Requires the homeserver to support MSC4190 and the device masquerading parts of MSC3202.
471    # Only relevant when using end-to-bridge encryption, required when using encryption with next-gen auth (MSC3861).
472    msc4190: false
473    # Whether to encrypt reactions and reply metadata as per MSC4392.
474    # This is not supported by most clients.
475    msc4392: false
476    # Should the bridge bot generate a recovery key and cross-signing keys and verify itself?
477    # Note that without the latest version of MSC4190, this will fail if you reset the bridge database.
478    # The generated recovery key will be saved in the kv_store table under `recovery_key`.
479    self_sign: false
480    # Enable key sharing? If enabled, key requests for rooms where users are in will be fulfilled.
481    # You must use a client that supports requesting keys from other users to use this feature.
482    allow_key_sharing: true
483    # Should m.mentions be sent in the unencrypted content? This is non-standard and should not be enabled.
484    plaintext_mentions: false
485    # Pickle key for encrypting encryption keys in the bridge database.
486    # If set to generate, a random key will be generated.
487    pickle_key: generate
488    # Options for deleting megolm sessions from the bridge.
489    delete_keys:
490        # Beeper-specific: delete outbound sessions when hungryserv confirms
491        # that the user has uploaded the key to key backup.
492        delete_outbound_on_ack: false
493        # Don't store outbound sessions in the inbound table.
494        dont_store_outbound: false
495        # Ratchet megolm sessions forward after decrypting messages.
496        ratchet_on_decrypt: false
497        # Delete fully used keys (index >= max_messages) after decrypting messages.
498        delete_fully_used_on_decrypt: false
499        # Delete previous megolm sessions from same device when receiving a new one.
500        delete_prev_on_new_session: false
501        # Delete megolm sessions received from a device when the device is deleted.
502        delete_on_device_delete: false
503        # Periodically delete megolm sessions when 2x max_age has passed since receiving the session.
504        periodically_delete_expired: false
505        # Delete inbound megolm sessions that don't have the received_at field used for
506        # automatic ratcheting and expired session deletion. This is meant as a migration
507        # to delete old keys prior to the bridge update.
508        delete_outdated_inbound: false
509    # What level of device verification should be required from users?
510    #
511    # Valid levels:
512    #   unverified - Send keys to all device in the room.
513    #   cross-signed-untrusted - Require valid cross-signing, but trust all cross-signing keys.
514    #   cross-signed-tofu - Require valid cross-signing, trust cross-signing keys on first use (and reject changes).
515    #   cross-signed-verified - Require valid cross-signing, plus a valid user signature from the bridge bot.
516    #                           Note that creating user signatures from the bridge bot is not currently possible.
517    #   verified - Require manual per-device verification
518    #              (currently only possible by modifying the `trust` column in the `crypto_device` database table).
519    verification_levels:
520        # Minimum level for which the bridge should send keys to when bridging messages from the remote network to Matrix.
521        receive: unverified
522        # Minimum level that the bridge should accept for incoming Matrix messages.
523        send: unverified
524        # Minimum level that the bridge should require for accepting key requests.
525        share: cross-signed-tofu
526    # Options for Megolm room key rotation. These options allow you to configure the m.room.encryption event content.
527    # See https://spec.matrix.org/v1.10/client-server-api/#mroomencryption for more information about that event.
528    rotation:
529        # Enable custom Megolm room key rotation settings. Note that these
530        # settings will only apply to rooms created after this option is set.
531        enable_custom: false
532        # The maximum number of milliseconds a session should be used
533        # before changing it. The Matrix spec recommends 604800000 (a week)
534        # as the default.
535        milliseconds: 604800000
536        # The maximum number of messages that should be sent with a given a
537        # session before changing it. The Matrix spec recommends 100 as the
538        # default.
539        messages: 100
540        # Disable rotating keys when a user's devices change?
541        # You should not enable this option unless you understand all the implications.
542        disable_device_change_key_rotation: false
543
544# Prefix for environment variables. All variables with this prefix must map to valid config fields.
545# Nesting in variable names is represented with a dot (.).
546# If there are no dots in the name, two underscores (__) are replaced with a dot.
547#
548# e.g. if the prefix is set to `BRIDGE_`, then `BRIDGE_APPSERVICE__AS_TOKEN` will set appservice.as_token.
549# `BRIDGE_appservice.as_token` would work as well, but can't be set in a shell as easily.
550#
551# The variable names can also have a `_FILE` suffix to tell the bridge to read the value from the
552# path set in the variable rather than using the value directly.
553#
554# If this is null, reading config fields from environment will be disabled.
555env_config_prefix: null
556
557# Logging config. See https://github.com/tulir/zeroconfig for details.
558logging:
559    min_level: debug
560    writers:
561        - type: stdout
562          format: pretty-colored
563        - type: file
564          format: json
565          filename: ./logs/bridge.log
566          max_size: 100
567          max_backups: 10
568          compress: false