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  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    # Only discover and bridge direct messages and group direct messages. When enabled,
 57    # conversation discovery is limited to DMs and channel-scoped events are ignored.
 58    # Other Slack API responses may still include channel metadata, which is not bridged.
 59    dm_only: false
 60    
 61    # Options for backfilling messages from Slack.
 62    backfill:
 63        # Number of conversations to fetch from Slack when syncing workspace.
 64        # This option applies even if message backfill is disabled below.
 65        # This option has no effect when dm_only is true; all DMs are always discovered.
 66        # If set to -1, all chats in the client.boot response will be bridged, and nothing will be fetched separately.
 67        conversation_count: -1
 68    
 69
 70# Config options that affect the central bridge module.
 71bridge:
 72    # The prefix for commands. Only required in non-management rooms.
 73    command_prefix: '!slack'
 74    # Should the bridge create a space for each login containing the rooms that account is in?
 75    personal_filtering_spaces: true
 76    # Whether the bridge should set names and avatars explicitly for DM portals.
 77    # This is only necessary when using clients that don't support MSC4171.
 78    private_chat_portal_meta: true
 79    # Should events be handled asynchronously within portal rooms?
 80    # If true, events may end up being out of order, but slow events won't block other ones.
 81    # This is not yet safe to use.
 82    async_events: false
 83    # Should every user have their own portals rather than sharing them?
 84    # By default, users who are in the same group on the remote network will be
 85    # in the same Matrix room bridged to that group. If this is set to true,
 86    # every user will get their own Matrix room instead.
 87    # SETTING THIS IS IRREVERSIBLE AND POTENTIALLY DESTRUCTIVE IF PORTALS ALREADY EXIST.
 88    split_portals: false
 89    # Should the bridge resend `m.bridge` events to all portals on startup?
 90    resend_bridge_info: false
 91    # Should `m.bridge` events be sent without a state key?
 92    # By default, the bridge uses a unique key that won't conflict with other bridges.
 93    no_bridge_info_state_key: false
 94    # Should bridge connection status be sent to the management room as `m.notice` events?
 95    # These contain the same data that can be posted to an external HTTP server using homeserver -> status_endpoint.
 96    # Allowed values: none, errors, all
 97    bridge_status_notices: errors
 98    # How long should TRANSIENT_DISCONNECT and CONNECTING states be held back before being reported?
 99    # If another state update occurs while waiting, the previous state won't be reported at all.
100    transient_state_debounce: 0s
101    # When an outgoing message can't be sent because the login is not connected (e.g. mid-reconnect),
102    # wait this long for it to reconnect before failing the message.
103    send_reconnect_wait: 0s
104    # How long after an unknown error should the bridge attempt a full reconnect?
105    # Must be at least 1 minute. The bridge will add an extra ±20% jitter to this value.
106    unknown_error_auto_reconnect: null
107    # Maximum number of times to do the auto-reconnect above.
108    # The counter is per login, but is never reset except on logout and restart.
109    unknown_error_max_auto_reconnects: 10
110
111    # Should leaving Matrix rooms be bridged as leaving groups on the remote network?
112    bridge_matrix_leave: false
113    # Should `m.notice` messages be bridged?
114    bridge_notices: false
115    # Should room tags only be synced when creating the portal? Tags mean things like favorite/pin and archive/low priority.
116    # Tags currently can't be synced back to the remote network, so a continuous sync means tagging from Matrix will be undone.
117    tag_only_on_create: true
118    # List of tags to allow bridging. If empty, no tags will be bridged.
119    only_bridge_tags: [m.favourite, m.lowpriority]
120    # Should room mute status only be synced when creating the portal?
121    # Like tags, mutes can't currently be synced back to the remote network.
122    mute_only_on_create: true
123    # Should the bridge check the db to ensure that incoming events haven't been handled before
124    deduplicate_matrix_messages: false
125    # Size of the portal event buffer. Don't touch if you don't know what it means.
126    portal_event_buffer: 64
127    # Should cross-room reply metadata be bridged?
128    # Most Matrix clients don't support this and servers may reject such messages too.
129    cross_room_replies: false
130    # If a state event fails to bridge, should the bridge revert any state changes made by that event?
131    revert_failed_state_changes: false
132    # In portals with no relay set, should Matrix users be kicked if they're
133    # not logged into an account that's in the remote chat?
134    kick_matrix_users: true
135    # Should the bridge listen to com.beeper.state_request events?
136    # This is not necessary for anything outside of Beeper.
137    enable_send_state_requests: false
138    # Should the com.beeper.bridge.identifiers list in global ghost profiles include phone numbers?
139    phone_numbers_in_profile: false
140
141    # What should be done to portal rooms when a user logs out or is logged out?
142    # Permitted values:
143    #   nothing - Do nothing, let the user stay in the portals
144    #   kick - Remove the user from the portal rooms, but don't delete them
145    #   unbridge - Remove all ghosts in the room and disassociate it from the remote chat
146    #   delete - Remove all ghosts and users from the room (i.e. delete it)
147    cleanup_on_logout:
148        # Should cleanup on logout be enabled at all?
149        enabled: false
150        # Settings for manual logouts (explicitly initiated by the Matrix user)
151        manual:
152            # Action for private portals which will never be shared with other Matrix users.
153            private: nothing
154            # Action for portals with a relay user configured.
155            relayed: nothing
156            # Action for portals which may be shared, but don't currently have any other Matrix users.
157            shared_no_users: nothing
158            # Action for portals which have other logged-in Matrix users.
159            shared_has_users: nothing
160        # Settings for credentials being invalidated (initiated by the remote network, possibly through user action).
161        # Keys have the same meanings as in the manual section.
162        bad_credentials:
163            private: nothing
164            relayed: nothing
165            shared_no_users: nothing
166            shared_has_users: nothing
167
168    # Settings for relay mode
169    relay:
170        # Whether relay mode should be allowed. If allowed, the set-relay command can be used to turn any
171        # authenticated user into a relaybot for that chat.
172        enabled: false
173        # Should only admins be allowed to set themselves as relay users?
174        # If true, non-admins can only set users listed in default_relays as relays in a room.
175        admin_only: true
176        # Should default relays be preferred when an explicit login ID isn't specified even if the user is logged in?
177        # This applies to the set-relay and bridge commands sent by any user, including admins.
178        prefer_default: true
179        # Should non-admins be allowed to use the bridge and sync-chat commands via default relays specified below?
180        allow_bridge: true
181        # List of user login IDs which anyone can set as a relay, as long as the relay user is in the room.
182        default_relays: []
183        # An array of possible values for the .Sender.Distinguisher variable in message formats.
184        # Each user gets one of the values here, based on a hash of their Matrix user ID.
185        # If the array is empty, .Sender.Distinguisher will also be empty.
186        user_distinguishers: ["🟦", "🟣", "🟩", "⭕️", "🔶", "⬛️", "🔵", "🟢"]
187        # The formats to use when sending messages via the relaybot.
188        # Available variables:
189        #   .Sender.UserID - The Matrix user ID of the sender.
190        #   .Sender.Displayname - The display name of the sender (if set).
191        #   .Sender.Distinguisher - The stable distinguisher selected from user_distinguishers.
192        #   .Sender.RequiresDisambiguation - Whether the sender's name may be confused with the name of another user in the room.
193        #   .Sender.DisambiguatedName - The disambiguated name of the sender. This will be the displayname if set,
194        #                               plus the user ID in parentheses if the displayname is not unique.
195        #                               If the displayname is not set, this is just the user ID.
196        #   .Message - The `formatted_body` field of the message.
197        #   .Caption - The `formatted_body` field of the message, if it's a caption. Otherwise an empty string.
198        #   .FileName - The name of the file being sent.
199        message_formats:
200            m.text: "<b>{{ .Sender.DisambiguatedName }}</b>: {{ .Message }}"
201            m.notice: "<b>{{ .Sender.DisambiguatedName }}</b>: {{ .Message }}"
202            m.emote: "* <b>{{ .Sender.DisambiguatedName }}</b> {{ .Message }}"
203            m.file: "<b>{{ .Sender.DisambiguatedName }}</b> sent a file{{ if .Caption }}: {{ .Caption }}{{ end }}"
204            m.image: "<b>{{ .Sender.DisambiguatedName }}</b> sent an image{{ if .Caption }}: {{ .Caption }}{{ end }}"
205            m.audio: "<b>{{ .Sender.DisambiguatedName }}</b> sent an audio file{{ if .Caption }}: {{ .Caption }}{{ end }}"
206            m.video: "<b>{{ .Sender.DisambiguatedName }}</b> sent a video{{ if .Caption }}: {{ .Caption }}{{ end }}"
207            m.location: "<b>{{ .Sender.DisambiguatedName }}</b> sent a location{{ if .Caption }}: {{ .Caption }}{{ end }}"
208        # For networks that support per-message displaynames (i.e. Slack and Discord), the template for those names.
209        # This has all the Sender variables available under message_formats (but without the .Sender prefix).
210        # Note that you need to manually remove the displayname from message_formats above.
211        displayname_format: "{{ .DisambiguatedName }}"
212
213    # Filter for automatically creating portals.
214    portal_create_filter:
215        # The mode for filtering, either `deny` or `allow`
216        mode: deny
217        # The list of portal IDs to deny or allow depending on the mode config.
218        # Items here can either be the plain portal ID as a string, or an object with `id` and `receiver` fields.
219        # The receiver field is necessary if you want to target a specific DM portal for example.
220        list: []
221        # A list of user login IDs from which to always deny creating portals.
222        # This is meant to be used with default relays, such that the relay bot
223        # being added to a group wouldn't automatically trigger portal creation.
224        always_deny_from_login: []
225
226    # Permissions for using the bridge.
227    # Permitted values:
228    #    relay - Talk through the relaybot (if enabled), no access otherwise
229    # commands - Access to use commands in the bridge, but not login.
230    #     user - Access to use the bridge with puppeting.
231    #    admin - Full access, user level with some additional administration tools.
232    # Permitted keys:
233    #        * - All Matrix users
234    #   domain - All users on that homeserver
235    #     mxid - Specific user
236    permissions:
237        "*": relay
238        "example.com": user
239        "@admin:example.com": admin
240
241# Config for the bridge's database.
242database:
243    # The database type. "sqlite3-fk-wal" and "postgres" are supported.
244    type: postgres
245    # The database URI.
246    #   SQLite: A raw file path is supported, but `file:<path>?_txlock=immediate` is recommended.
247    #           https://github.com/mattn/go-sqlite3#connection-string
248    #   Postgres: Connection string. For example, postgres://user:password@host/database?sslmode=disable
249    #             To connect via Unix socket, use something like postgres:///dbname?host=/var/run/postgresql
250    #             Using special characters in the password is strongly discouraged (but should work with manual URL encoding)
251    uri: postgres://user:password@host/database?sslmode=disable
252    # Maximum number of connections.
253    max_open_conns: 5
254    max_idle_conns: 1
255    # Maximum connection idle time and lifetime before they're closed. Disabled if null.
256    # Parsed with https://pkg.go.dev/time#ParseDuration
257    max_conn_idle_time: null
258    max_conn_lifetime: null
259
260# Homeserver details.
261homeserver:
262    # The address that this appservice can use to connect to the homeserver.
263    # Local addresses without HTTPS are generally recommended when the bridge is running on the same machine,
264    # but https also works if they run on different machines.
265    address: http://example.localhost:8008
266    # The domain of the homeserver (also known as server_name, used for MXIDs, etc).
267    domain: example.com
268
269    # What software is the homeserver running?
270    # Standard Matrix homeservers like Synapse, Dendrite and Conduit should just use "standard" here.
271    software: standard
272    # The URL to push real-time bridge status to.
273    # If set, the bridge will make POST requests to this URL whenever a user's remote network connection state changes.
274    # The bridge will use the appservice as_token to authorize requests.
275    status_endpoint:
276    # Endpoint for reporting per-message status.
277    # If set, the bridge will make POST requests to this URL when processing a message from Matrix.
278    # It will make one request when receiving the message (step BRIDGE), one after decrypting if applicable
279    # (step DECRYPTED) and one after sending to the remote network (step REMOTE). Errors will also be reported.
280    # The bridge will use the appservice as_token to authorize requests.
281    message_send_checkpoint_endpoint:
282    # Does the homeserver support https://github.com/matrix-org/matrix-spec-proposals/pull/2246?
283    async_media: false
284
285    # Should the bridge use a websocket for connecting to the homeserver?
286    # The server side is currently not documented anywhere and is only implemented by mautrix-wsproxy,
287    # mautrix-asmux (deprecated), and hungryserv (proprietary).
288    websocket: false
289    # How often should the websocket be pinged? Pinging will be disabled if this is zero.
290    ping_interval_seconds: 0
291    # When requests to the homeserver fail with a 502/503/504/429 status or a network error,
292    # how many times should the bridge retry the request before giving up?
293    retry_limit: 4
294
295# Application service host/registration related details.
296# Changing these values requires regeneration of the registration (except when noted otherwise)
297appservice:
298    # The address that the homeserver can use to connect to this appservice.
299    # Like the homeserver address, a local non-https address is recommended when the bridge is on the same machine.
300    # If the bridge is elsewhere, you must secure the connection yourself (e.g. with https or wireguard)
301    # If you want to use https, you need to use a reverse proxy. The bridge does not have TLS support built in.
302    address: http://localhost:29335
303    # A public address that external services can use to reach this appservice.
304    # This is only needed for things like public media. A reverse proxy is generally necessary when using this field.
305    # This value doesn't affect the registration file.
306    public_address: https://bridge.example.com
307
308    # The hostname and port where this appservice should listen.
309    # For Docker, you generally have to change the hostname to 0.0.0.0.
310    hostname: 127.0.0.1
311    port: 29335
312
313    # The unique ID of this appservice.
314    id: slack
315    # Appservice bot details.
316    bot:
317        # Username of the appservice bot.
318        username: slackbot
319        # Display name and avatar for bot. Set to "remove" to remove display name/avatar, leave empty
320        # to leave display name/avatar as-is.
321        displayname: Slack bridge bot
322        avatar: mxc://maunium.net/pVtzLmChZejGxLqmXtQjFxem
323
324    # Whether to receive ephemeral events via appservice transactions.
325    ephemeral_events: true
326    # Should incoming events be handled asynchronously?
327    # This may be necessary for large public instances with lots of messages going through.
328    # However, messages will not be guaranteed to be bridged in the same order they were sent in.
329    # This value doesn't affect the registration file.
330    async_transactions: false
331
332    # Authentication tokens for AS <-> HS communication. Autogenerated; do not modify.
333    as_token: "This value is generated when generating the registration"
334    hs_token: "This value is generated when generating the registration"
335
336    # Localpart template of MXIDs for remote users.
337    # {{.}} is replaced with the internal ID of the user.
338    username_template: slack_{{.}}
339
340# Config options that affect the Matrix connector of the bridge.
341matrix:
342    # Whether the bridge should send the message status as a custom com.beeper.message_send_status event.
343    message_status_events: false
344    # Whether the bridge should send a read receipt after successfully bridging a message.
345    delivery_receipts: false
346    # Whether the bridge should send error notices via m.notice events when a message fails to bridge.
347    message_error_notices: true
348    # Whether the bridge should update the m.direct account data event when double puppeting is enabled.
349    sync_direct_chat_list: true
350    # Whether created rooms should have federation enabled. If false, created portal rooms
351    # will never be federated. Changing this option requires recreating rooms.
352    federate_rooms: true
353    # The threshold as bytes after which the bridge should roundtrip uploads via the disk
354    # rather than keeping the whole file in memory.
355    upload_file_threshold: 5242880
356    # Should the bridge set additional custom profile info for ghosts?
357    # This can make a lot of requests, as there's no batch profile update endpoint.
358    ghost_extra_profile_info: false
359
360# Segment-compatible analytics endpoint for tracking some events, like provisioning API login and encryption errors.
361analytics:
362    # API key to send with tracking requests. Tracking is disabled if this is null.
363    token: null
364    # Address to send tracking requests to.
365    url: https://api.segment.io/v1/track
366    # Optional user ID for tracking events. If null, defaults to using Matrix user ID.
367    user_id: null
368
369# Settings for provisioning API
370provisioning:
371    # Shared secret for authentication. If set to "generate" or null, a random secret will be generated,
372    # or if set to "disable", the provisioning API will be disabled. Must be at least 16 characters.
373    shared_secret: generate
374    # Whether to allow provisioning API requests to be authed using Matrix access tokens.
375    # This follows the same rules as double puppeting to determine which server to contact to check the token,
376    # which means that by default, it only works for users on the same server as the bridge.
377    allow_matrix_auth: true
378    # Enable debug API at /debug with provisioning authentication.
379    debug_endpoints: false
380    # Enable session transfers between bridges. Note that this only validates Matrix or shared secret
381    # auth before passing live network client credentials down in the response.
382    enable_session_transfers: false
383    # Should the provisioning API fail immediately if a webauthn step is returned?
384    # This is mostly useful for clients that don't yet support it and want a trackable error instead.
385    fail_on_webauthn: false
386    # The header that the request ID is sent back in.
387    request_id_header: Request-Id
388    # Should the request ID be read from the above header of incoming requests
389    trust_incoming_request_id: false
390
391# Some networks require publicly accessible media download links (e.g. for user avatars when using Discord webhooks).
392# These settings control whether the bridge will provide such public media access.
393public_media:
394    # Should public media be enabled at all?
395    # The public_address field under the appservice section MUST be set when enabling public media.
396    enabled: false
397    # A key for signing public media URLs.
398    # If set to "generate", a random key will be generated.
399    signing_key: generate
400    # Number of seconds that public media URLs are valid for.
401    # If set to 0, URLs will never expire.
402    expiry: 0
403    # Length of hash to use for public media URLs. Must be between 0 and 32.
404    hash_length: 32
405    # The path prefix for generated URLs. Note that this will NOT change the path where media is actually served.
406    # If you change this, you must configure your reverse proxy to rewrite the path accordingly.
407    path_prefix: /_mautrix/publicmedia
408    # Should the bridge store media metadata in the database in order to support encrypted media and generate shorter URLs?
409    # If false, the generated URLs will just have the MXC URI and a HMAC signature.
410    # The hash_length field will be used to decide the length of the generated URL.
411    # This also allows invalidating URLs by deleting the database entry.
412    use_database: false
413
414# Settings for converting remote media to custom mxc:// URIs instead of reuploading.
415# More details can be found at https://docs.mau.fi/bridges/go/discord/direct-media.html
416direct_media:
417    # Should custom mxc:// URIs be used instead of reuploading media?
418    enabled: false
419    # The server name to use for the custom mxc:// URIs.
420    # This server name will effectively be a real Matrix server, it just won't implement anything other than media.
421    # You must either set up .well-known delegation from this domain to the bridge, or proxy the domain directly to the bridge.
422    server_name: discord-media.example.com
423    # Optionally a custom .well-known response. This defaults to `server_name:443`
424    well_known_response:
425    # Optionally specify a custom prefix for the media ID part of the MXC URI.
426    media_id_prefix:
427    # If the remote network supports media downloads over HTTP, then the bridge will use MSC3860/MSC3916
428    # media download redirects if the requester supports it. Optionally, you can force redirects
429    # and not allow proxying at all by setting this to false.
430    # This option does nothing if the remote network does not support media downloads over HTTP.
431    allow_proxy: true
432    # Matrix server signing key to make the federation tester pass, same format as synapse's .signing.key file.
433    # This key is also used to sign the mxc:// URIs to ensure only the bridge can generate them.
434    server_key: generate
435
436# Settings for backfilling messages.
437# Note that the exact way settings are applied depends on the network connector.
438# See https://docs.mau.fi/bridges/general/backfill.html for more details.
439backfill:
440    # Whether to do backfilling at all.
441    enabled: false
442    # Maximum number of messages to backfill in empty rooms.
443    # If this is zero or negative, backfill will be disabled in new rooms.
444    max_initial_messages: 50
445    # Maximum number of missed messages to backfill after bridge restarts.
446    max_catchup_messages: 500
447    # If a backfilled chat is older than this number of hours,
448    # mark it as read even if it's unread on the remote network.
449    unread_hours_threshold: 720
450    # Settings for backfilling threads within other backfills.
451    threads:
452        # Maximum number of messages to backfill in a new thread.
453        max_initial_messages: 50
454    # Settings for the backwards backfill queue. This only applies when connecting to
455    # Beeper as standard Matrix servers don't support inserting messages into history.
456    queue:
457        # Should the backfill queue be enabled?
458        enabled: false
459        # Should manual calls to backfill queue tasks be allowed?
460        manual: false
461        # Number of messages to backfill in one batch.
462        batch_size: 100
463        # Delay between batches in seconds.
464        batch_delay: 20
465        # Maximum number of batches to backfill per portal.
466        # If set to -1, all available messages will be backfilled.
467        max_batches: -1
468        # Optional network-specific overrides for max batches.
469        # Interpretation of this field depends on the network connector.
470        max_batches_override: {}
471
472# Settings for enabling double puppeting
473double_puppet:
474    # Servers to always allow double puppeting from.
475    # This is only for other servers and should NOT contain the server the bridge is on.
476    servers:
477        anotherserver.example.org: https://matrix.anotherserver.example.org
478    # Whether to allow client API URL discovery for other servers. When using this option,
479    # users on other servers can use double puppeting even if their server URLs aren't
480    # explicitly added to the servers map above.
481    allow_discovery: false
482    # Shared secrets for automatic double puppeting.
483    # See https://docs.mau.fi/bridges/general/double-puppeting.html for instructions.
484    secrets:
485        example.com: as_token:foobar
486
487# End-to-bridge encryption support options.
488#
489# See https://docs.mau.fi/bridges/general/end-to-bridge-encryption.html for more info.
490encryption:
491    # Whether to enable encryption at all. If false, the bridge will not function in encrypted rooms.
492    allow: false
493    # Whether to force-enable encryption in all bridged rooms.
494    default: false
495    # Whether to require all messages to be encrypted and drop any unencrypted messages.
496    require: false
497    # Whether to use MSC3202/MSC4203 instead of /sync long polling for receiving encryption-related data.
498    # This is an experimental option, see the docs for more info.
499    # Changing this option requires updating the appservice registration file.
500    appservice: false
501    # Whether to use MSC4190 instead of appservice login to create the bridge bot device.
502    # Requires the homeserver to support MSC4190 and the device masquerading parts of MSC3202.
503    # Only relevant when using end-to-bridge encryption, required when using encryption with next-gen auth (MSC3861).
504    msc4190: false
505    # Whether to encrypt reactions and reply metadata as per MSC4392.
506    # This is not supported by most clients.
507    msc4392: false
508    # Should the bridge bot generate a recovery key and cross-signing keys and verify itself?
509    # Note that without the latest version of MSC4190, this will fail if you reset the bridge database.
510    # The generated recovery key will be saved in the kv_store table under `recovery_key`.
511    self_sign: false
512    # Enable key sharing? If enabled, key requests for rooms where users are in will be fulfilled.
513    # You must use a client that supports requesting keys from other users to use this feature.
514    allow_key_sharing: true
515    # Should m.mentions be sent in the unencrypted content? This is non-standard and should not be enabled.
516    plaintext_mentions: false
517    # Pickle key for encrypting encryption keys in the bridge database.
518    # If set to generate, a random key will be generated.
519    pickle_key: generate
520    # Options for deleting megolm sessions from the bridge.
521    delete_keys:
522        # Beeper-specific: delete outbound sessions when hungryserv confirms
523        # that the user has uploaded the key to key backup.
524        delete_outbound_on_ack: false
525        # Don't store outbound sessions in the inbound table.
526        dont_store_outbound: false
527        # Ratchet megolm sessions forward after decrypting messages.
528        ratchet_on_decrypt: false
529        # Delete fully used keys (index >= max_messages) after decrypting messages.
530        delete_fully_used_on_decrypt: false
531        # Delete previous megolm sessions from same device when receiving a new one.
532        delete_prev_on_new_session: false
533        # Delete megolm sessions received from a device when the device is deleted.
534        delete_on_device_delete: false
535        # Periodically delete megolm sessions when 2x max_age has passed since receiving the session.
536        periodically_delete_expired: false
537        # Delete inbound megolm sessions that don't have the received_at field used for
538        # automatic ratcheting and expired session deletion. This is meant as a migration
539        # to delete old keys prior to the bridge update.
540        delete_outdated_inbound: false
541    # What level of device verification should be required from users?
542    #
543    # Valid levels:
544    #   unverified - Send keys to all device in the room.
545    #   cross-signed-untrusted - Require valid cross-signing, but trust all cross-signing keys.
546    #   cross-signed-tofu - Require valid cross-signing, trust cross-signing keys on first use (and reject changes).
547    #   cross-signed-verified - Require valid cross-signing, plus a valid user signature from the bridge bot.
548    #                           Note that creating user signatures from the bridge bot is not currently possible.
549    #   verified - Require manual per-device verification
550    #              (currently only possible by modifying the `trust` column in the `crypto_device` database table).
551    verification_levels:
552        # Minimum level for which the bridge should send keys to when bridging messages from the remote network to Matrix.
553        receive: unverified
554        # Minimum level that the bridge should accept for incoming Matrix messages.
555        send: unverified
556        # Minimum level that the bridge should require for accepting key requests.
557        share: cross-signed-tofu
558    # Options for Megolm room key rotation. These options allow you to configure the m.room.encryption event content.
559    # See https://spec.matrix.org/v1.10/client-server-api/#mroomencryption for more information about that event.
560    rotation:
561        # Enable custom Megolm room key rotation settings. Note that these
562        # settings will only apply to rooms created after this option is set.
563        enable_custom: false
564        # The maximum number of milliseconds a session should be used
565        # before changing it. The Matrix spec recommends 604800000 (a week)
566        # as the default.
567        milliseconds: 604800000
568        # The maximum number of messages that should be sent with a given a
569        # session before changing it. The Matrix spec recommends 100 as the
570        # default.
571        messages: 100
572        # Disable rotating keys when a user's devices change?
573        # You should not enable this option unless you understand all the implications.
574        disable_device_change_key_rotation: false
575
576# Prefix for environment variables. All variables with this prefix must map to valid config fields.
577# Nesting in variable names is represented with a dot (.).
578# If there are no dots in the name, two underscores (__) are replaced with a dot.
579#
580# e.g. if the prefix is set to `BRIDGE_`, then `BRIDGE_APPSERVICE__AS_TOKEN` will set appservice.as_token.
581# `BRIDGE_appservice.as_token` would work as well, but can't be set in a shell as easily.
582#
583# The variable names can also have a `_FILE` suffix to tell the bridge to read the value from the
584# path set in the variable rather than using the value directly.
585#
586# If this is null, reading config fields from environment will be disabled.
587env_config_prefix: null
588
589# Logging config. See https://github.com/tulir/zeroconfig for details.
590logging:
591    min_level: debug
592    writers:
593        - type: stdout
594          format: pretty-colored
595        - type: file
596          format: json
597          filename: ./logs/bridge.log
598          max_size: 100
599          max_backups: 10
600          compress: false