Raw YAML - Releases: latest, v26.03, v26.02, v25.11, v25.10

  1# Network-specific config options
  2network:
  3    # Displayname template for Slack users. Available variables:
  4    #  .Name - The username of the user
  5    #  .Team.Name - The name of the team the channel is in
  6    #  .Team.Domain - The Slack subdomain of the team the channel is in
  7    #  .ID - The internal ID of the user
  8    #  .IsBot - Whether the user is a bot
  9    #  .Profile.DisplayName - The username or real name of the user (depending on settings)
 10    # Variables only available for users (not bots):
 11    #  .TeamID - The internal ID of the workspace the user is in
 12    #  .TZ - The timezone region of the user (e.g. Europe/London)
 13    #  .TZLabel - The label of the timezone of the user (e.g. Greenwich Mean Time)
 14    #  .TZOffset - The UTC offset of the timezone of the user (e.g. 0)
 15    #  .Profile.RealName - The real name of the user
 16    #  .Profile.FirstName - The first name of the user
 17    #  .Profile.LastName - The last name of the user
 18    #  .Profile.Title - The job title of the user
 19    #  .Profile.Pronouns - The pronouns of the user
 20    #  .Profile.Email - The email address of the user
 21    #  .Profile.Phone - The formatted phone number of the user
 22    displayname_template: '{{or .Profile.DisplayName .Profile.RealName .Name}}{{if .IsBot}} (bot){{end}}'
 23    # Channel name template for Slack channels (all types). Available variables:
 24    #  .Name - The name of the channel
 25    #  .Team.Name - The name of the team the channel is in
 26    #  .Team.Domain - The Slack subdomain of the team the channel is in
 27    #  .ID - The internal ID of the channel
 28    #  .IsNoteToSelf - Whether the channel is a DM with yourself
 29    #  .IsGeneral - Whether the channel is the #general channel
 30    #  .IsChannel - Whether the channel is a channel (rather than a DM)
 31    #  .IsPrivate - Whether the channel is private
 32    #  .IsIM - Whether the channel is a one-to-one DM
 33    #  .IsMpIM - Whether the channel is a group DM
 34    #  .IsShared - Whether the channel is shared with another workspace.
 35    #  .IsExtShared - Whether the channel is shared with an external organization.
 36    #  .IsOrgShared - Whether the channel is shared with an organization in the same enterprise grid.
 37    channel_name_template: '{{if and .IsChannel (not .IsPrivate)}}#{{end}}{{.Name}}{{if .IsNoteToSelf}} (you){{end}}'
 38    # Displayname template for Slack workspaces. Available variables:
 39    #  .Name - The name of the team
 40    #  .Domain - The Slack subdomain of the team
 41    #  .ID - The internal ID of the team
 42    team_name_template: "{{ .Name }}"
 43    
 44    # Should incoming custom emoji reactions be bridged as mxc:// URIs?
 45    # If set to false, custom emoji reactions will be bridged as the shortcode instead, and the image won't be available.
 46    custom_emoji_reactions: true
 47    # Should channels and group DMs have the workspace icon as the Matrix room avatar?
 48    workspace_avatar_in_rooms: false
 49    # Number of participants to sync in channels (doesn't affect group DMs)
 50    participant_sync_count: 5
 51    # Should channel participants only be synced when creating the room?
 52    # If you want participants to always be accurately synced, set participant_sync_count to a high value and this to false.
 53    participant_sync_only_on_create: true
 54    # Should channel portals be muted by default?
 55    mute_channels_by_default: false
 56    
 57    # Options for backfilling messages from Slack.
 58    backfill:
 59        # Number of conversations to fetch from Slack when syncing workspace.
 60        # This option applies even if message backfill is disabled below.
 61        # If set to -1, all chats in the client.boot response will be bridged, and nothing will be fetched separately.
 62        conversation_count: -1
 63    
 64
 65# Config options that affect the central bridge module.
 66bridge:
 67    # The prefix for commands. Only required in non-management rooms.
 68    command_prefix: '!slack'
 69    # Should the bridge create a space for each login containing the rooms that account is in?
 70    personal_filtering_spaces: true
 71    # Whether the bridge should set names and avatars explicitly for DM portals.
 72    # This is only necessary when using clients that don't support MSC4171.
 73    private_chat_portal_meta: true
 74    # Should events be handled asynchronously within portal rooms?
 75    # If true, events may end up being out of order, but slow events won't block other ones.
 76    # This is not yet safe to use.
 77    async_events: false
 78    # Should every user have their own portals rather than sharing them?
 79    # By default, users who are in the same group on the remote network will be
 80    # in the same Matrix room bridged to that group. If this is set to true,
 81    # every user will get their own Matrix room instead.
 82    # SETTING THIS IS IRREVERSIBLE AND POTENTIALLY DESTRUCTIVE IF PORTALS ALREADY EXIST.
 83    split_portals: false
 84    # Should the bridge resend `m.bridge` events to all portals on startup?
 85    resend_bridge_info: false
 86    # Should `m.bridge` events be sent without a state key?
 87    # By default, the bridge uses a unique key that won't conflict with other bridges.
 88    no_bridge_info_state_key: false
 89    # Should bridge connection status be sent to the management room as `m.notice` events?
 90    # These contain the same data that can be posted to an external HTTP server using homeserver -> status_endpoint.
 91    # Allowed values: none, errors, all
 92    bridge_status_notices: errors
 93    # How long after an unknown error should the bridge attempt a full reconnect?
 94    # Must be at least 1 minute. The bridge will add an extra ±20% jitter to this value.
 95    unknown_error_auto_reconnect: null
 96    # Maximum number of times to do the auto-reconnect above.
 97    # The counter is per login, but is never reset except on logout and restart.
 98    unknown_error_max_auto_reconnects: 10
 99
100    # Should leaving Matrix rooms be bridged as leaving groups on the remote network?
101    bridge_matrix_leave: false
102    # Should `m.notice` messages be bridged?
103    bridge_notices: false
104    # Should room tags only be synced when creating the portal? Tags mean things like favorite/pin and archive/low priority.
105    # Tags currently can't be synced back to the remote network, so a continuous sync means tagging from Matrix will be undone.
106    tag_only_on_create: true
107    # List of tags to allow bridging. If empty, no tags will be bridged.
108    only_bridge_tags: [m.favourite, m.lowpriority]
109    # Should room mute status only be synced when creating the portal?
110    # Like tags, mutes can't currently be synced back to the remote network.
111    mute_only_on_create: true
112    # Should the bridge check the db to ensure that incoming events haven't been handled before
113    deduplicate_matrix_messages: false
114    # Should cross-room reply metadata be bridged?
115    # Most Matrix clients don't support this and servers may reject such messages too.
116    cross_room_replies: false
117    # If a state event fails to bridge, should the bridge revert any state changes made by that event?
118    revert_failed_state_changes: false
119    # In portals with no relay set, should Matrix users be kicked if they're
120    # not logged into an account that's in the remote chat?
121    kick_matrix_users: true
122    # Should the bridge listen to com.beeper.state_request events?
123    # This is not necessary for anything outside of Beeper.
124    enable_send_state_requests: false
125
126    # What should be done to portal rooms when a user logs out or is logged out?
127    # Permitted values:
128    #   nothing - Do nothing, let the user stay in the portals
129    #   kick - Remove the user from the portal rooms, but don't delete them
130    #   unbridge - Remove all ghosts in the room and disassociate it from the remote chat
131    #   delete - Remove all ghosts and users from the room (i.e. delete it)
132    cleanup_on_logout:
133        # Should cleanup on logout be enabled at all?
134        enabled: false
135        # Settings for manual logouts (explicitly initiated by the Matrix user)
136        manual:
137            # Action for private portals which will never be shared with other Matrix users.
138            private: nothing
139            # Action for portals with a relay user configured.
140            relayed: nothing
141            # Action for portals which may be shared, but don't currently have any other Matrix users.
142            shared_no_users: nothing
143            # Action for portals which have other logged-in Matrix users.
144            shared_has_users: nothing
145        # Settings for credentials being invalidated (initiated by the remote network, possibly through user action).
146        # Keys have the same meanings as in the manual section.
147        bad_credentials:
148            private: nothing
149            relayed: nothing
150            shared_no_users: nothing
151            shared_has_users: nothing
152
153    # Settings for relay mode
154    relay:
155        # Whether relay mode should be allowed. If allowed, the set-relay command can be used to turn any
156        # authenticated user into a relaybot for that chat.
157        enabled: false
158        # Should only admins be allowed to set themselves as relay users?
159        # If true, non-admins can only set users listed in default_relays as relays in a room.
160        admin_only: true
161        # Should non-admins be allowed to use the bridge and sync-chat commands via default relays specified below?
162        allow_bridge: true
163        # List of user login IDs which anyone can set as a relay, as long as the relay user is in the room.
164        default_relays: []
165        # The formats to use when sending messages via the relaybot.
166        # Available variables:
167        #   .Sender.UserID - The Matrix user ID of the sender.
168        #   .Sender.Displayname - The display name of the sender (if set).
169        #   .Sender.RequiresDisambiguation - Whether the sender's name may be confused with the name of another user in the room.
170        #   .Sender.DisambiguatedName - The disambiguated name of the sender. This will be the displayname if set,
171        #                               plus the user ID in parentheses if the displayname is not unique.
172        #                               If the displayname is not set, this is just the user ID.
173        #   .Message - The `formatted_body` field of the message.
174        #   .Caption - The `formatted_body` field of the message, if it's a caption. Otherwise an empty string.
175        #   .FileName - The name of the file being sent.
176        message_formats:
177            m.text: "<b>{{ .Sender.DisambiguatedName }}</b>: {{ .Message }}"
178            m.notice: "<b>{{ .Sender.DisambiguatedName }}</b>: {{ .Message }}"
179            m.emote: "* <b>{{ .Sender.DisambiguatedName }}</b> {{ .Message }}"
180            m.file: "<b>{{ .Sender.DisambiguatedName }}</b> sent a file{{ if .Caption }}: {{ .Caption }}{{ end }}"
181            m.image: "<b>{{ .Sender.DisambiguatedName }}</b> sent an image{{ if .Caption }}: {{ .Caption }}{{ end }}"
182            m.audio: "<b>{{ .Sender.DisambiguatedName }}</b> sent an audio file{{ if .Caption }}: {{ .Caption }}{{ end }}"
183            m.video: "<b>{{ .Sender.DisambiguatedName }}</b> sent a video{{ if .Caption }}: {{ .Caption }}{{ end }}"
184            m.location: "<b>{{ .Sender.DisambiguatedName }}</b> sent a location{{ if .Caption }}: {{ .Caption }}{{ end }}"
185        # For networks that support per-message displaynames (i.e. Slack and Discord), the template for those names.
186        # This has all the Sender variables available under message_formats (but without the .Sender prefix).
187        # Note that you need to manually remove the displayname from message_formats above.
188        displayname_format: "{{ .DisambiguatedName }}"
189
190    # Filter for automatically creating portals.
191    portal_create_filter:
192        # The mode for filtering, either `deny` or `allow`
193        mode: deny
194        # The list of portal IDs to deny or allow depending on the mode config.
195        # Items here can either be the plain portal ID as a string, or an object with `id` and `receiver` fields.
196        # The receiver field is necessary if you want to target a specific DM portal for example.
197        list: []
198        # A list of user login IDs from which to always deny creating portals.
199        # This is meant to be used with default relays, such that the relay bot
200        # being added to a group wouldn't automatically trigger portal creation.
201        always_deny_from_login: []
202
203    # Permissions for using the bridge.
204    # Permitted values:
205    #    relay - Talk through the relaybot (if enabled), no access otherwise
206    # commands - Access to use commands in the bridge, but not login.
207    #     user - Access to use the bridge with puppeting.
208    #    admin - Full access, user level with some additional administration tools.
209    # Permitted keys:
210    #        * - All Matrix users
211    #   domain - All users on that homeserver
212    #     mxid - Specific user
213    permissions:
214        "*": relay
215        "example.com": user
216        "@admin:example.com": admin
217
218# Config for the bridge's database.
219database:
220    # The database type. "sqlite3-fk-wal" and "postgres" are supported.
221    type: postgres
222    # The database URI.
223    #   SQLite: A raw file path is supported, but `file:<path>?_txlock=immediate` is recommended.
224    #           https://github.com/mattn/go-sqlite3#connection-string
225    #   Postgres: Connection string. For example, postgres://user:password@host/database?sslmode=disable
226    #             To connect via Unix socket, use something like postgres:///dbname?host=/var/run/postgresql
227    uri: postgres://user:password@host/database?sslmode=disable
228    # Maximum number of connections.
229    max_open_conns: 5
230    max_idle_conns: 1
231    # Maximum connection idle time and lifetime before they're closed. Disabled if null.
232    # Parsed with https://pkg.go.dev/time#ParseDuration
233    max_conn_idle_time: null
234    max_conn_lifetime: null
235
236# Homeserver details.
237homeserver:
238    # The address that this appservice can use to connect to the homeserver.
239    # Local addresses without HTTPS are generally recommended when the bridge is running on the same machine,
240    # but https also works if they run on different machines.
241    address: http://example.localhost:8008
242    # The domain of the homeserver (also known as server_name, used for MXIDs, etc).
243    domain: example.com
244
245    # What software is the homeserver running?
246    # Standard Matrix homeservers like Synapse, Dendrite and Conduit should just use "standard" here.
247    software: standard
248    # The URL to push real-time bridge status to.
249    # If set, the bridge will make POST requests to this URL whenever a user's remote network connection state changes.
250    # The bridge will use the appservice as_token to authorize requests.
251    status_endpoint:
252    # Endpoint for reporting per-message status.
253    # If set, the bridge will make POST requests to this URL when processing a message from Matrix.
254    # It will make one request when receiving the message (step BRIDGE), one after decrypting if applicable
255    # (step DECRYPTED) and one after sending to the remote network (step REMOTE). Errors will also be reported.
256    # The bridge will use the appservice as_token to authorize requests.
257    message_send_checkpoint_endpoint:
258    # Does the homeserver support https://github.com/matrix-org/matrix-spec-proposals/pull/2246?
259    async_media: false
260
261    # Should the bridge use a websocket for connecting to the homeserver?
262    # The server side is currently not documented anywhere and is only implemented by mautrix-wsproxy,
263    # mautrix-asmux (deprecated), and hungryserv (proprietary).
264    websocket: false
265    # How often should the websocket be pinged? Pinging will be disabled if this is zero.
266    ping_interval_seconds: 0
267
268# Application service host/registration related details.
269# Changing these values requires regeneration of the registration (except when noted otherwise)
270appservice:
271    # The address that the homeserver can use to connect to this appservice.
272    # Like the homeserver address, a local non-https address is recommended when the bridge is on the same machine.
273    # If the bridge is elsewhere, you must secure the connection yourself (e.g. with https or wireguard)
274    # If you want to use https, you need to use a reverse proxy. The bridge does not have TLS support built in.
275    address: http://localhost:29335
276    # A public address that external services can use to reach this appservice.
277    # This is only needed for things like public media. A reverse proxy is generally necessary when using this field.
278    # This value doesn't affect the registration file.
279    public_address: https://bridge.example.com
280
281    # The hostname and port where this appservice should listen.
282    # For Docker, you generally have to change the hostname to 0.0.0.0.
283    hostname: 127.0.0.1
284    port: 29335
285
286    # The unique ID of this appservice.
287    id: slack
288    # Appservice bot details.
289    bot:
290        # Username of the appservice bot.
291        username: slackbot
292        # Display name and avatar for bot. Set to "remove" to remove display name/avatar, leave empty
293        # to leave display name/avatar as-is.
294        displayname: Slack bridge bot
295        avatar: mxc://maunium.net/pVtzLmChZejGxLqmXtQjFxem
296
297    # Whether to receive ephemeral events via appservice transactions.
298    ephemeral_events: true
299    # Should incoming events be handled asynchronously?
300    # This may be necessary for large public instances with lots of messages going through.
301    # However, messages will not be guaranteed to be bridged in the same order they were sent in.
302    # This value doesn't affect the registration file.
303    async_transactions: false
304
305    # Authentication tokens for AS <-> HS communication. Autogenerated; do not modify.
306    as_token: "This value is generated when generating the registration"
307    hs_token: "This value is generated when generating the registration"
308
309    # Localpart template of MXIDs for remote users.
310    # {{.}} is replaced with the internal ID of the user.
311    username_template: slack_{{.}}
312
313# Config options that affect the Matrix connector of the bridge.
314matrix:
315    # Whether the bridge should send the message status as a custom com.beeper.message_send_status event.
316    message_status_events: false
317    # Whether the bridge should send a read receipt after successfully bridging a message.
318    delivery_receipts: false
319    # Whether the bridge should send error notices via m.notice events when a message fails to bridge.
320    message_error_notices: true
321    # Whether the bridge should update the m.direct account data event when double puppeting is enabled.
322    sync_direct_chat_list: true
323    # Whether created rooms should have federation enabled. If false, created portal rooms
324    # will never be federated. Changing this option requires recreating rooms.
325    federate_rooms: true
326    # The threshold as bytes after which the bridge should roundtrip uploads via the disk
327    # rather than keeping the whole file in memory.
328    upload_file_threshold: 5242880
329    # Should the bridge set additional custom profile info for ghosts?
330    # This can make a lot of requests, as there's no batch profile update endpoint.
331    ghost_extra_profile_info: false
332
333# Segment-compatible analytics endpoint for tracking some events, like provisioning API login and encryption errors.
334analytics:
335    # API key to send with tracking requests. Tracking is disabled if this is null.
336    token: null
337    # Address to send tracking requests to.
338    url: https://api.segment.io/v1/track
339    # Optional user ID for tracking events. If null, defaults to using Matrix user ID.
340    user_id: null
341
342# Settings for provisioning API
343provisioning:
344    # Shared secret for authentication. If set to "generate" or null, a random secret will be generated,
345    # or if set to "disable", the provisioning API will be disabled. Must be at least 16 characters.
346    shared_secret: generate
347    # Whether to allow provisioning API requests to be authed using Matrix access tokens.
348    # This follows the same rules as double puppeting to determine which server to contact to check the token,
349    # which means that by default, it only works for users on the same server as the bridge.
350    allow_matrix_auth: true
351    # Enable debug API at /debug with provisioning authentication.
352    debug_endpoints: false
353    # Enable session transfers between bridges. Note that this only validates Matrix or shared secret
354    # auth before passing live network client credentials down in the response.
355    enable_session_transfers: false
356
357# Some networks require publicly accessible media download links (e.g. for user avatars when using Discord webhooks).
358# These settings control whether the bridge will provide such public media access.
359public_media:
360    # Should public media be enabled at all?
361    # The public_address field under the appservice section MUST be set when enabling public media.
362    enabled: false
363    # A key for signing public media URLs.
364    # If set to "generate", a random key will be generated.
365    signing_key: generate
366    # Number of seconds that public media URLs are valid for.
367    # If set to 0, URLs will never expire.
368    expiry: 0
369    # Length of hash to use for public media URLs. Must be between 0 and 32.
370    hash_length: 32
371    # The path prefix for generated URLs. Note that this will NOT change the path where media is actually served.
372    # If you change this, you must configure your reverse proxy to rewrite the path accordingly.
373    path_prefix: /_mautrix/publicmedia
374    # Should the bridge store media metadata in the database in order to support encrypted media and generate shorter URLs?
375    # If false, the generated URLs will just have the MXC URI and a HMAC signature.
376    # The hash_length field will be used to decide the length of the generated URL.
377    # This also allows invalidating URLs by deleting the database entry.
378    use_database: false
379
380# Settings for converting remote media to custom mxc:// URIs instead of reuploading.
381# More details can be found at https://docs.mau.fi/bridges/go/discord/direct-media.html
382direct_media:
383    # Should custom mxc:// URIs be used instead of reuploading media?
384    enabled: false
385    # The server name to use for the custom mxc:// URIs.
386    # This server name will effectively be a real Matrix server, it just won't implement anything other than media.
387    # You must either set up .well-known delegation from this domain to the bridge, or proxy the domain directly to the bridge.
388    server_name: discord-media.example.com
389    # Optionally a custom .well-known response. This defaults to `server_name:443`
390    well_known_response:
391    # Optionally specify a custom prefix for the media ID part of the MXC URI.
392    media_id_prefix:
393    # If the remote network supports media downloads over HTTP, then the bridge will use MSC3860/MSC3916
394    # media download redirects if the requester supports it. Optionally, you can force redirects
395    # and not allow proxying at all by setting this to false.
396    # This option does nothing if the remote network does not support media downloads over HTTP.
397    allow_proxy: true
398    # Matrix server signing key to make the federation tester pass, same format as synapse's .signing.key file.
399    # This key is also used to sign the mxc:// URIs to ensure only the bridge can generate them.
400    server_key: generate
401
402# Settings for backfilling messages.
403# Note that the exact way settings are applied depends on the network connector.
404# See https://docs.mau.fi/bridges/general/backfill.html for more details.
405backfill:
406    # Whether to do backfilling at all.
407    enabled: false
408    # Maximum number of messages to backfill in empty rooms.
409    max_initial_messages: 50
410    # Maximum number of missed messages to backfill after bridge restarts.
411    max_catchup_messages: 500
412    # If a backfilled chat is older than this number of hours,
413    # mark it as read even if it's unread on the remote network.
414    unread_hours_threshold: 720
415    # Settings for backfilling threads within other backfills.
416    threads:
417        # Maximum number of messages to backfill in a new thread.
418        max_initial_messages: 50
419    # Settings for the backwards backfill queue. This only applies when connecting to
420    # Beeper as standard Matrix servers don't support inserting messages into history.
421    queue:
422        # Should the backfill queue be enabled?
423        enabled: false
424        # Number of messages to backfill in one batch.
425        batch_size: 100
426        # Delay between batches in seconds.
427        batch_delay: 20
428        # Maximum number of batches to backfill per portal.
429        # If set to -1, all available messages will be backfilled.
430        max_batches: -1
431        # Optional network-specific overrides for max batches.
432        # Interpretation of this field depends on the network connector.
433        max_batches_override: {}
434
435# Settings for enabling double puppeting
436double_puppet:
437    # Servers to always allow double puppeting from.
438    # This is only for other servers and should NOT contain the server the bridge is on.
439    servers:
440        anotherserver.example.org: https://matrix.anotherserver.example.org
441    # Whether to allow client API URL discovery for other servers. When using this option,
442    # users on other servers can use double puppeting even if their server URLs aren't
443    # explicitly added to the servers map above.
444    allow_discovery: false
445    # Shared secrets for automatic double puppeting.
446    # See https://docs.mau.fi/bridges/general/double-puppeting.html for instructions.
447    secrets:
448        example.com: as_token:foobar
449
450# End-to-bridge encryption support options.
451#
452# See https://docs.mau.fi/bridges/general/end-to-bridge-encryption.html for more info.
453encryption:
454    # Whether to enable encryption at all. If false, the bridge will not function in encrypted rooms.
455    allow: false
456    # Whether to force-enable encryption in all bridged rooms.
457    default: false
458    # Whether to require all messages to be encrypted and drop any unencrypted messages.
459    require: false
460    # Whether to use MSC3202/MSC4203 instead of /sync long polling for receiving encryption-related data.
461    # This is an experimental option, see the docs for more info.
462    # Changing this option requires updating the appservice registration file.
463    appservice: false
464    # Whether to use MSC4190 instead of appservice login to create the bridge bot device.
465    # Requires the homeserver to support MSC4190 and the device masquerading parts of MSC3202.
466    # Only relevant when using end-to-bridge encryption, required when using encryption with next-gen auth (MSC3861).
467    msc4190: false
468    # Whether to encrypt reactions and reply metadata as per MSC4392.
469    # This is not supported by most clients.
470    msc4392: false
471    # Should the bridge bot generate a recovery key and cross-signing keys and verify itself?
472    # Note that without the latest version of MSC4190, this will fail if you reset the bridge database.
473    # The generated recovery key will be saved in the kv_store table under `recovery_key`.
474    self_sign: false
475    # Enable key sharing? If enabled, key requests for rooms where users are in will be fulfilled.
476    # You must use a client that supports requesting keys from other users to use this feature.
477    allow_key_sharing: true
478    # Pickle key for encrypting encryption keys in the bridge database.
479    # If set to generate, a random key will be generated.
480    pickle_key: generate
481    # Options for deleting megolm sessions from the bridge.
482    delete_keys:
483        # Beeper-specific: delete outbound sessions when hungryserv confirms
484        # that the user has uploaded the key to key backup.
485        delete_outbound_on_ack: false
486        # Don't store outbound sessions in the inbound table.
487        dont_store_outbound: false
488        # Ratchet megolm sessions forward after decrypting messages.
489        ratchet_on_decrypt: false
490        # Delete fully used keys (index >= max_messages) after decrypting messages.
491        delete_fully_used_on_decrypt: false
492        # Delete previous megolm sessions from same device when receiving a new one.
493        delete_prev_on_new_session: false
494        # Delete megolm sessions received from a device when the device is deleted.
495        delete_on_device_delete: false
496        # Periodically delete megolm sessions when 2x max_age has passed since receiving the session.
497        periodically_delete_expired: false
498        # Delete inbound megolm sessions that don't have the received_at field used for
499        # automatic ratcheting and expired session deletion. This is meant as a migration
500        # to delete old keys prior to the bridge update.
501        delete_outdated_inbound: false
502    # What level of device verification should be required from users?
503    #
504    # Valid levels:
505    #   unverified - Send keys to all device in the room.
506    #   cross-signed-untrusted - Require valid cross-signing, but trust all cross-signing keys.
507    #   cross-signed-tofu - Require valid cross-signing, trust cross-signing keys on first use (and reject changes).
508    #   cross-signed-verified - Require valid cross-signing, plus a valid user signature from the bridge bot.
509    #                           Note that creating user signatures from the bridge bot is not currently possible.
510    #   verified - Require manual per-device verification
511    #              (currently only possible by modifying the `trust` column in the `crypto_device` database table).
512    verification_levels:
513        # Minimum level for which the bridge should send keys to when bridging messages from the remote network to Matrix.
514        receive: unverified
515        # Minimum level that the bridge should accept for incoming Matrix messages.
516        send: unverified
517        # Minimum level that the bridge should require for accepting key requests.
518        share: cross-signed-tofu
519    # Options for Megolm room key rotation. These options allow you to configure the m.room.encryption event content.
520    # See https://spec.matrix.org/v1.10/client-server-api/#mroomencryption for more information about that event.
521    rotation:
522        # Enable custom Megolm room key rotation settings. Note that these
523        # settings will only apply to rooms created after this option is set.
524        enable_custom: false
525        # The maximum number of milliseconds a session should be used
526        # before changing it. The Matrix spec recommends 604800000 (a week)
527        # as the default.
528        milliseconds: 604800000
529        # The maximum number of messages that should be sent with a given a
530        # session before changing it. The Matrix spec recommends 100 as the
531        # default.
532        messages: 100
533        # Disable rotating keys when a user's devices change?
534        # You should not enable this option unless you understand all the implications.
535        disable_device_change_key_rotation: false
536
537# Prefix for environment variables. All variables with this prefix must map to valid config fields.
538# Nesting in variable names is represented with a dot (.).
539# If there are no dots in the name, two underscores (__) are replaced with a dot.
540#
541# e.g. if the prefix is set to `BRIDGE_`, then `BRIDGE_APPSERVICE__AS_TOKEN` will set appservice.as_token.
542# `BRIDGE_appservice.as_token` would work as well, but can't be set in a shell as easily.
543#
544# If this is null, reading config fields from environment will be disabled.
545env_config_prefix: null
546
547# Logging config. See https://github.com/tulir/zeroconfig for details.
548logging:
549    min_level: debug
550    writers:
551        - type: stdout
552          format: pretty-colored
553        - type: file
554          format: json
555          filename: ./logs/bridge.log
556          max_size: 100
557          max_backups: 10
558          compress: false