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: '!instagram'
 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 after an unknown error should the bridge attempt a full reconnect?
 72    # Must be at least 1 minute. The bridge will add an extra ±20% jitter to this value.
 73    unknown_error_auto_reconnect: null
 74    # Maximum number of times to do the auto-reconnect above.
 75    # The counter is per login, but is never reset except on logout and restart.
 76    unknown_error_max_auto_reconnects: 10
 77
 78    # Should leaving Matrix rooms be bridged as leaving groups on the remote network?
 79    bridge_matrix_leave: false
 80    # Should `m.notice` messages be bridged?
 81    bridge_notices: false
 82    # Should room tags only be synced when creating the portal? Tags mean things like favorite/pin and archive/low priority.
 83    # Tags currently can't be synced back to the remote network, so a continuous sync means tagging from Matrix will be undone.
 84    tag_only_on_create: true
 85    # List of tags to allow bridging. If empty, no tags will be bridged.
 86    only_bridge_tags: [m.favourite, m.lowpriority]
 87    # Should room mute status only be synced when creating the portal?
 88    # Like tags, mutes can't currently be synced back to the remote network.
 89    mute_only_on_create: true
 90    # Should the bridge check the db to ensure that incoming events haven't been handled before
 91    deduplicate_matrix_messages: false
 92    # Should cross-room reply metadata be bridged?
 93    # Most Matrix clients don't support this and servers may reject such messages too.
 94    cross_room_replies: false
 95    # If a state event fails to bridge, should the bridge revert any state changes made by that event?
 96    revert_failed_state_changes: false
 97    # In portals with no relay set, should Matrix users be kicked if they're
 98    # not logged into an account that's in the remote chat?
 99    kick_matrix_users: true
100    # Should the bridge listen to com.beeper.state_request events?
101    # This is not necessary for anything outside of Beeper.
102    enable_send_state_requests: false
103    # Should the com.beeper.bridge.identifiers list in global ghost profiles include phone numbers?
104    phone_numbers_in_profile: false
105
106    # What should be done to portal rooms when a user logs out or is logged out?
107    # Permitted values:
108    #   nothing - Do nothing, let the user stay in the portals
109    #   kick - Remove the user from the portal rooms, but don't delete them
110    #   unbridge - Remove all ghosts in the room and disassociate it from the remote chat
111    #   delete - Remove all ghosts and users from the room (i.e. delete it)
112    cleanup_on_logout:
113        # Should cleanup on logout be enabled at all?
114        enabled: false
115        # Settings for manual logouts (explicitly initiated by the Matrix user)
116        manual:
117            # Action for private portals which will never be shared with other Matrix users.
118            private: nothing
119            # Action for portals with a relay user configured.
120            relayed: nothing
121            # Action for portals which may be shared, but don't currently have any other Matrix users.
122            shared_no_users: nothing
123            # Action for portals which have other logged-in Matrix users.
124            shared_has_users: nothing
125        # Settings for credentials being invalidated (initiated by the remote network, possibly through user action).
126        # Keys have the same meanings as in the manual section.
127        bad_credentials:
128            private: nothing
129            relayed: nothing
130            shared_no_users: nothing
131            shared_has_users: nothing
132
133    # Settings for relay mode
134    relay:
135        # Whether relay mode should be allowed. If allowed, the set-relay command can be used to turn any
136        # authenticated user into a relaybot for that chat.
137        enabled: false
138        # Should only admins be allowed to set themselves as relay users?
139        # If true, non-admins can only set users listed in default_relays as relays in a room.
140        admin_only: true
141        # Should default relays be preferred when an explicit login ID isn't specified even if the user is logged in?
142        # This applies to the set-relay and bridge commands sent by any user, including admins.
143        prefer_default: true
144        # Should non-admins be allowed to use the bridge and sync-chat commands via default relays specified below?
145        allow_bridge: true
146        # List of user login IDs which anyone can set as a relay, as long as the relay user is in the room.
147        default_relays: []
148        # The formats to use when sending messages via the relaybot.
149        # Available variables:
150        #   .Sender.UserID - The Matrix user ID of the sender.
151        #   .Sender.Displayname - The display name of the sender (if set).
152        #   .Sender.RequiresDisambiguation - Whether the sender's name may be confused with the name of another user in the room.
153        #   .Sender.DisambiguatedName - The disambiguated name of the sender. This will be the displayname if set,
154        #                               plus the user ID in parentheses if the displayname is not unique.
155        #                               If the displayname is not set, this is just the user ID.
156        #   .Message - The `formatted_body` field of the message.
157        #   .Caption - The `formatted_body` field of the message, if it's a caption. Otherwise an empty string.
158        #   .FileName - The name of the file being sent.
159        message_formats:
160            m.text: "<b>{{ .Sender.DisambiguatedName }}</b>: {{ .Message }}"
161            m.notice: "<b>{{ .Sender.DisambiguatedName }}</b>: {{ .Message }}"
162            m.emote: "* <b>{{ .Sender.DisambiguatedName }}</b> {{ .Message }}"
163            m.file: "<b>{{ .Sender.DisambiguatedName }}</b> sent a file{{ if .Caption }}: {{ .Caption }}{{ end }}"
164            m.image: "<b>{{ .Sender.DisambiguatedName }}</b> sent an image{{ if .Caption }}: {{ .Caption }}{{ end }}"
165            m.audio: "<b>{{ .Sender.DisambiguatedName }}</b> sent an audio file{{ if .Caption }}: {{ .Caption }}{{ end }}"
166            m.video: "<b>{{ .Sender.DisambiguatedName }}</b> sent a video{{ if .Caption }}: {{ .Caption }}{{ end }}"
167            m.location: "<b>{{ .Sender.DisambiguatedName }}</b> sent a location{{ if .Caption }}: {{ .Caption }}{{ end }}"
168        # For networks that support per-message displaynames (i.e. Slack and Discord), the template for those names.
169        # This has all the Sender variables available under message_formats (but without the .Sender prefix).
170        # Note that you need to manually remove the displayname from message_formats above.
171        displayname_format: "{{ .DisambiguatedName }}"
172
173    # Filter for automatically creating portals.
174    portal_create_filter:
175        # The mode for filtering, either `deny` or `allow`
176        mode: deny
177        # The list of portal IDs to deny or allow depending on the mode config.
178        # Items here can either be the plain portal ID as a string, or an object with `id` and `receiver` fields.
179        # The receiver field is necessary if you want to target a specific DM portal for example.
180        list: []
181        # A list of user login IDs from which to always deny creating portals.
182        # This is meant to be used with default relays, such that the relay bot
183        # being added to a group wouldn't automatically trigger portal creation.
184        always_deny_from_login: []
185
186    # Permissions for using the bridge.
187    # Permitted values:
188    #    relay - Talk through the relaybot (if enabled), no access otherwise
189    # commands - Access to use commands in the bridge, but not login.
190    #     user - Access to use the bridge with puppeting.
191    #    admin - Full access, user level with some additional administration tools.
192    # Permitted keys:
193    #        * - All Matrix users
194    #   domain - All users on that homeserver
195    #     mxid - Specific user
196    permissions:
197        "*": relay
198        "example.com": user
199        "@admin:example.com": admin
200
201# Config for the bridge's database.
202database:
203    # The database type. "sqlite3-fk-wal" and "postgres" are supported.
204    type: postgres
205    # The database URI.
206    #   SQLite: A raw file path is supported, but `file:<path>?_txlock=immediate` is recommended.
207    #           https://github.com/mattn/go-sqlite3#connection-string
208    #   Postgres: Connection string. For example, postgres://user:password@host/database?sslmode=disable
209    #             To connect via Unix socket, use something like postgres:///dbname?host=/var/run/postgresql
210    uri: postgres://user:password@host/database?sslmode=disable
211    # Maximum number of connections.
212    max_open_conns: 5
213    max_idle_conns: 1
214    # Maximum connection idle time and lifetime before they're closed. Disabled if null.
215    # Parsed with https://pkg.go.dev/time#ParseDuration
216    max_conn_idle_time: null
217    max_conn_lifetime: null
218
219# Homeserver details.
220homeserver:
221    # The address that this appservice can use to connect to the homeserver.
222    # Local addresses without HTTPS are generally recommended when the bridge is running on the same machine,
223    # but https also works if they run on different machines.
224    address: http://example.localhost:8008
225    # The domain of the homeserver (also known as server_name, used for MXIDs, etc).
226    domain: example.com
227
228    # What software is the homeserver running?
229    # Standard Matrix homeservers like Synapse, Dendrite and Conduit should just use "standard" here.
230    software: standard
231    # The URL to push real-time bridge status to.
232    # If set, the bridge will make POST requests to this URL whenever a user's remote network connection state changes.
233    # The bridge will use the appservice as_token to authorize requests.
234    status_endpoint:
235    # Endpoint for reporting per-message status.
236    # If set, the bridge will make POST requests to this URL when processing a message from Matrix.
237    # It will make one request when receiving the message (step BRIDGE), one after decrypting if applicable
238    # (step DECRYPTED) and one after sending to the remote network (step REMOTE). Errors will also be reported.
239    # The bridge will use the appservice as_token to authorize requests.
240    message_send_checkpoint_endpoint:
241    # Does the homeserver support https://github.com/matrix-org/matrix-spec-proposals/pull/2246?
242    async_media: false
243
244    # Should the bridge use a websocket for connecting to the homeserver?
245    # The server side is currently not documented anywhere and is only implemented by mautrix-wsproxy,
246    # mautrix-asmux (deprecated), and hungryserv (proprietary).
247    websocket: false
248    # How often should the websocket be pinged? Pinging will be disabled if this is zero.
249    ping_interval_seconds: 0
250    # When requests to the homeserver fail with a 502/503/504/429 status or a network error,
251    # how many times should the bridge retry the request before giving up?
252    retry_limit: 4
253
254# Application service host/registration related details.
255# Changing these values requires regeneration of the registration (except when noted otherwise)
256appservice:
257    # The address that the homeserver can use to connect to this appservice.
258    # Like the homeserver address, a local non-https address is recommended when the bridge is on the same machine.
259    # If the bridge is elsewhere, you must secure the connection yourself (e.g. with https or wireguard)
260    # If you want to use https, you need to use a reverse proxy. The bridge does not have TLS support built in.
261    address: http://localhost:29330
262    # A public address that external services can use to reach this appservice.
263    # This is only needed for things like public media. A reverse proxy is generally necessary when using this field.
264    # This value doesn't affect the registration file.
265    public_address: https://bridge.example.com
266
267    # The hostname and port where this appservice should listen.
268    # For Docker, you generally have to change the hostname to 0.0.0.0.
269    hostname: 127.0.0.1
270    port: 29330
271
272    # The unique ID of this appservice.
273    id: instagram
274    # Appservice bot details.
275    bot:
276        # Username of the appservice bot.
277        username: instagrambot
278        # Display name and avatar for bot. Set to "remove" to remove display name/avatar, leave empty
279        # to leave display name/avatar as-is.
280        displayname: Instagram bridge bot
281        avatar: mxc://maunium.net/JxjlbZUlCPULEeHZSwleUXQv
282
283    # Whether to receive ephemeral events via appservice transactions.
284    ephemeral_events: true
285    # Should incoming events be handled asynchronously?
286    # This may be necessary for large public instances with lots of messages going through.
287    # However, messages will not be guaranteed to be bridged in the same order they were sent in.
288    # This value doesn't affect the registration file.
289    async_transactions: false
290
291    # Authentication tokens for AS <-> HS communication. Autogenerated; do not modify.
292    as_token: "This value is generated when generating the registration"
293    hs_token: "This value is generated when generating the registration"
294
295    # Localpart template of MXIDs for remote users.
296    # {{.}} is replaced with the internal ID of the user.
297    username_template: instagram_{{.}}
298
299# Config options that affect the Matrix connector of the bridge.
300matrix:
301    # Whether the bridge should send the message status as a custom com.beeper.message_send_status event.
302    message_status_events: false
303    # Whether the bridge should send a read receipt after successfully bridging a message.
304    delivery_receipts: false
305    # Whether the bridge should send error notices via m.notice events when a message fails to bridge.
306    message_error_notices: true
307    # Whether the bridge should update the m.direct account data event when double puppeting is enabled.
308    sync_direct_chat_list: true
309    # Whether created rooms should have federation enabled. If false, created portal rooms
310    # will never be federated. Changing this option requires recreating rooms.
311    federate_rooms: true
312    # The threshold as bytes after which the bridge should roundtrip uploads via the disk
313    # rather than keeping the whole file in memory.
314    upload_file_threshold: 5242880
315    # Should the bridge set additional custom profile info for ghosts?
316    # This can make a lot of requests, as there's no batch profile update endpoint.
317    ghost_extra_profile_info: false
318
319# Segment-compatible analytics endpoint for tracking some events, like provisioning API login and encryption errors.
320analytics:
321    # API key to send with tracking requests. Tracking is disabled if this is null.
322    token: null
323    # Address to send tracking requests to.
324    url: https://api.segment.io/v1/track
325    # Optional user ID for tracking events. If null, defaults to using Matrix user ID.
326    user_id: null
327
328# Settings for provisioning API
329provisioning:
330    # Shared secret for authentication. If set to "generate" or null, a random secret will be generated,
331    # or if set to "disable", the provisioning API will be disabled. Must be at least 16 characters.
332    shared_secret: generate
333    # Whether to allow provisioning API requests to be authed using Matrix access tokens.
334    # This follows the same rules as double puppeting to determine which server to contact to check the token,
335    # which means that by default, it only works for users on the same server as the bridge.
336    allow_matrix_auth: true
337    # Enable debug API at /debug with provisioning authentication.
338    debug_endpoints: false
339    # Enable session transfers between bridges. Note that this only validates Matrix or shared secret
340    # auth before passing live network client credentials down in the response.
341    enable_session_transfers: false
342    # Should the provisioning API fail immediately if a webauthn step is returned?
343    # This is mostly useful for clients that don't yet support it and want a trackable error instead.
344    fail_on_webauthn: false
345
346# Some networks require publicly accessible media download links (e.g. for user avatars when using Discord webhooks).
347# These settings control whether the bridge will provide such public media access.
348public_media:
349    # Should public media be enabled at all?
350    # The public_address field under the appservice section MUST be set when enabling public media.
351    enabled: false
352    # A key for signing public media URLs.
353    # If set to "generate", a random key will be generated.
354    signing_key: generate
355    # Number of seconds that public media URLs are valid for.
356    # If set to 0, URLs will never expire.
357    expiry: 0
358    # Length of hash to use for public media URLs. Must be between 0 and 32.
359    hash_length: 32
360    # The path prefix for generated URLs. Note that this will NOT change the path where media is actually served.
361    # If you change this, you must configure your reverse proxy to rewrite the path accordingly.
362    path_prefix: /_mautrix/publicmedia
363    # Should the bridge store media metadata in the database in order to support encrypted media and generate shorter URLs?
364    # If false, the generated URLs will just have the MXC URI and a HMAC signature.
365    # The hash_length field will be used to decide the length of the generated URL.
366    # This also allows invalidating URLs by deleting the database entry.
367    use_database: false
368
369# Settings for converting remote media to custom mxc:// URIs instead of reuploading.
370# More details can be found at https://docs.mau.fi/bridges/go/discord/direct-media.html
371direct_media:
372    # Should custom mxc:// URIs be used instead of reuploading media?
373    enabled: false
374    # The server name to use for the custom mxc:// URIs.
375    # This server name will effectively be a real Matrix server, it just won't implement anything other than media.
376    # You must either set up .well-known delegation from this domain to the bridge, or proxy the domain directly to the bridge.
377    server_name: discord-media.example.com
378    # Optionally a custom .well-known response. This defaults to `server_name:443`
379    well_known_response:
380    # Optionally specify a custom prefix for the media ID part of the MXC URI.
381    media_id_prefix:
382    # If the remote network supports media downloads over HTTP, then the bridge will use MSC3860/MSC3916
383    # media download redirects if the requester supports it. Optionally, you can force redirects
384    # and not allow proxying at all by setting this to false.
385    # This option does nothing if the remote network does not support media downloads over HTTP.
386    allow_proxy: true
387    # Matrix server signing key to make the federation tester pass, same format as synapse's .signing.key file.
388    # This key is also used to sign the mxc:// URIs to ensure only the bridge can generate them.
389    server_key: generate
390
391# Settings for backfilling messages.
392# Note that the exact way settings are applied depends on the network connector.
393# See https://docs.mau.fi/bridges/general/backfill.html for more details.
394backfill:
395    # Whether to do backfilling at all.
396    enabled: false
397    # Maximum number of messages to backfill in empty rooms.
398    # If this is zero or negative, backfill will be disabled in new rooms.
399    max_initial_messages: 50
400    # Maximum number of missed messages to backfill after bridge restarts.
401    max_catchup_messages: 500
402    # If a backfilled chat is older than this number of hours,
403    # mark it as read even if it's unread on the remote network.
404    unread_hours_threshold: 720
405    # Settings for backfilling threads within other backfills.
406    threads:
407        # Maximum number of messages to backfill in a new thread.
408        max_initial_messages: 50
409    # Settings for the backwards backfill queue. This only applies when connecting to
410    # Beeper as standard Matrix servers don't support inserting messages into history.
411    queue:
412        # Should the backfill queue be enabled?
413        enabled: false
414        # Should manual calls to backfill queue tasks be allowed?
415        manual: false
416        # Number of messages to backfill in one batch.
417        batch_size: 100
418        # Delay between batches in seconds.
419        batch_delay: 20
420        # Maximum number of batches to backfill per portal.
421        # If set to -1, all available messages will be backfilled.
422        max_batches: -1
423        # Optional network-specific overrides for max batches.
424        # Interpretation of this field depends on the network connector.
425        max_batches_override: {}
426
427# Settings for enabling double puppeting
428double_puppet:
429    # Servers to always allow double puppeting from.
430    # This is only for other servers and should NOT contain the server the bridge is on.
431    servers:
432        anotherserver.example.org: https://matrix.anotherserver.example.org
433    # Whether to allow client API URL discovery for other servers. When using this option,
434    # users on other servers can use double puppeting even if their server URLs aren't
435    # explicitly added to the servers map above.
436    allow_discovery: false
437    # Shared secrets for automatic double puppeting.
438    # See https://docs.mau.fi/bridges/general/double-puppeting.html for instructions.
439    secrets:
440        example.com: as_token:foobar
441
442# End-to-bridge encryption support options.
443#
444# See https://docs.mau.fi/bridges/general/end-to-bridge-encryption.html for more info.
445encryption:
446    # Whether to enable encryption at all. If false, the bridge will not function in encrypted rooms.
447    allow: false
448    # Whether to force-enable encryption in all bridged rooms.
449    default: false
450    # Whether to require all messages to be encrypted and drop any unencrypted messages.
451    require: false
452    # Whether to use MSC3202/MSC4203 instead of /sync long polling for receiving encryption-related data.
453    # This is an experimental option, see the docs for more info.
454    # Changing this option requires updating the appservice registration file.
455    appservice: false
456    # Whether to use MSC4190 instead of appservice login to create the bridge bot device.
457    # Requires the homeserver to support MSC4190 and the device masquerading parts of MSC3202.
458    # Only relevant when using end-to-bridge encryption, required when using encryption with next-gen auth (MSC3861).
459    msc4190: false
460    # Whether to encrypt reactions and reply metadata as per MSC4392.
461    # This is not supported by most clients.
462    msc4392: false
463    # Should the bridge bot generate a recovery key and cross-signing keys and verify itself?
464    # Note that without the latest version of MSC4190, this will fail if you reset the bridge database.
465    # The generated recovery key will be saved in the kv_store table under `recovery_key`.
466    self_sign: false
467    # Enable key sharing? If enabled, key requests for rooms where users are in will be fulfilled.
468    # You must use a client that supports requesting keys from other users to use this feature.
469    allow_key_sharing: true
470    # Should m.mentions be sent in the unencrypted content? This is non-standard and should not be enabled.
471    plaintext_mentions: false
472    # Pickle key for encrypting encryption keys in the bridge database.
473    # If set to generate, a random key will be generated.
474    pickle_key: generate
475    # Options for deleting megolm sessions from the bridge.
476    delete_keys:
477        # Beeper-specific: delete outbound sessions when hungryserv confirms
478        # that the user has uploaded the key to key backup.
479        delete_outbound_on_ack: false
480        # Don't store outbound sessions in the inbound table.
481        dont_store_outbound: false
482        # Ratchet megolm sessions forward after decrypting messages.
483        ratchet_on_decrypt: false
484        # Delete fully used keys (index >= max_messages) after decrypting messages.
485        delete_fully_used_on_decrypt: false
486        # Delete previous megolm sessions from same device when receiving a new one.
487        delete_prev_on_new_session: false
488        # Delete megolm sessions received from a device when the device is deleted.
489        delete_on_device_delete: false
490        # Periodically delete megolm sessions when 2x max_age has passed since receiving the session.
491        periodically_delete_expired: false
492        # Delete inbound megolm sessions that don't have the received_at field used for
493        # automatic ratcheting and expired session deletion. This is meant as a migration
494        # to delete old keys prior to the bridge update.
495        delete_outdated_inbound: false
496    # What level of device verification should be required from users?
497    #
498    # Valid levels:
499    #   unverified - Send keys to all device in the room.
500    #   cross-signed-untrusted - Require valid cross-signing, but trust all cross-signing keys.
501    #   cross-signed-tofu - Require valid cross-signing, trust cross-signing keys on first use (and reject changes).
502    #   cross-signed-verified - Require valid cross-signing, plus a valid user signature from the bridge bot.
503    #                           Note that creating user signatures from the bridge bot is not currently possible.
504    #   verified - Require manual per-device verification
505    #              (currently only possible by modifying the `trust` column in the `crypto_device` database table).
506    verification_levels:
507        # Minimum level for which the bridge should send keys to when bridging messages from the remote network to Matrix.
508        receive: unverified
509        # Minimum level that the bridge should accept for incoming Matrix messages.
510        send: unverified
511        # Minimum level that the bridge should require for accepting key requests.
512        share: cross-signed-tofu
513    # Options for Megolm room key rotation. These options allow you to configure the m.room.encryption event content.
514    # See https://spec.matrix.org/v1.10/client-server-api/#mroomencryption for more information about that event.
515    rotation:
516        # Enable custom Megolm room key rotation settings. Note that these
517        # settings will only apply to rooms created after this option is set.
518        enable_custom: false
519        # The maximum number of milliseconds a session should be used
520        # before changing it. The Matrix spec recommends 604800000 (a week)
521        # as the default.
522        milliseconds: 604800000
523        # The maximum number of messages that should be sent with a given a
524        # session before changing it. The Matrix spec recommends 100 as the
525        # default.
526        messages: 100
527        # Disable rotating keys when a user's devices change?
528        # You should not enable this option unless you understand all the implications.
529        disable_device_change_key_rotation: false
530
531# Prefix for environment variables. All variables with this prefix must map to valid config fields.
532# Nesting in variable names is represented with a dot (.).
533# If there are no dots in the name, two underscores (__) are replaced with a dot.
534#
535# e.g. if the prefix is set to `BRIDGE_`, then `BRIDGE_APPSERVICE__AS_TOKEN` will set appservice.as_token.
536# `BRIDGE_appservice.as_token` would work as well, but can't be set in a shell as easily.
537#
538# The variable names can also have a `_FILE` suffix to tell the bridge to read the value from the
539# path set in the variable rather than using the value directly.
540#
541# If this is null, reading config fields from environment will be disabled.
542env_config_prefix: null
543
544# Logging config. See https://github.com/tulir/zeroconfig for details.
545logging:
546    min_level: debug
547    writers:
548        - type: stdout
549          format: pretty-colored
550        - type: file
551          format: json
552          filename: ./logs/bridge.log
553          max_size: 100
554          max_backups: 10
555          compress: false