Raw YAML - Releases: latest, v26.05, v26.04

  1# Network-specific config options
  2network:
  3    # Get your own API keys at https://my.telegram.org/apps
  4    api_id: 12345
  5    api_hash: tjyd5yge35lbodk1xwzw2jstp90k55qz
  6    
  7    # Device info shown in the Telegram device list.
  8    device_info:
  9        device_model: mautrix-telegram
 10        system_version:
 11        app_version: auto
 12        lang_code: en
 13        system_lang_code: en
 14    
 15    # Settings for converting animated stickers.
 16    animated_sticker:
 17        # Format to which animated stickers should be converted.
 18        #
 19        # disable - no conversion, send as-is (gzipped lottie)
 20        # png -     converts to non-animated png (fastest),
 21        # gif -     converts to animated gif
 22        # webm -    converts to webm video, requires ffmpeg executable with vp9 codec
 23        #           and webm container support
 24        # webp -    converts to animated webp, requires ffmpeg executable with webp
 25        #           codec/container support
 26        target: gif
 27        # Should video stickers be converted to the specified format as well?
 28        convert_from_webm: false
 29        # Arguments for converter. All converters take width and height.
 30        args:
 31            width: 256
 32            height: 256
 33            fps: 25 # only for webm, webp and gif (2, 5, 10, 20 or 25 recommended)
 34    
 35    # Settings for syncing the member list for portals.
 36    member_list:
 37        # Maximum number of members to sync per portal when starting up. Other
 38        # members will be synced when they send messages. The maximum is 10000,
 39        # after which the Telegram server will not send any more members.
 40        #
 41        # -1 means no limit (which means it's limited to 10000 by the server)
 42        max_initial_sync: 100
 43        # Whether or not to sync the member list in broadcast channels. If
 44        # disabled, members will still be synced when they send messages.
 45        #
 46        # If no channel admins have logged into the bridge, the bridge won't be
 47        # able to sync the member list regardless of this setting.
 48        sync_broadcast_channels: false
 49        # Whether or not to skip deleted members when syncing members.
 50        skip_deleted: true
 51    
 52    # Settings for pings to the Telegram server.
 53    ping:
 54        # The interval (in seconds) between pings.
 55        interval_seconds: 30
 56        # The timeout (in seconds) for a single ping.
 57        timeout_seconds: 10
 58    
 59    # Proxy settings
 60    proxy:
 61        # Allowed types: disabled, socks5, mtproxy
 62        type: disabled
 63        # Proxy IP address/domain name and port.
 64        address: "127.0.0.1:1080"
 65        # Proxy authentication (optional). Put MTProxy secret in password field.
 66        username:
 67        password:
 68    
 69    sync:
 70        # Number of most recently active dialogs to check when syncing chats.
 71        # Set to -1 to remove limit.
 72        update_limit: 100
 73        # Number of most recently active dialogs to create portals for when syncing chats.
 74        # Set to -1 to remove limit.
 75        create_limit: 15
 76        # Number of chats to sync immediately on login before the data export is accepted.
 77        # The create_limit above still applies. This is ignored if takeout.dialog_sync is false.
 78        login_sync_limit: 15
 79        # Whether or not to sync and create portals for direct chats at startup.
 80        direct_chats: true
 81    
 82    takeout:
 83        # Should the bridge use the data export mode for syncing the full chat list?
 84        # If true, login_sync_limit of chats is synced immediately on login,
 85        # then the rest are synced after the takeout is accepted.
 86        dialog_sync: false
 87        # Should the bridge use the data export mode for forward backfilling messages?
 88        # This should be set to true if the forward backfill limits are set to high values,
 89        # but is probably not necessary otherwise.
 90        forward_backfill: false
 91        # Should the bridge use the data export mode for backward backfilling messages?
 92        # This only affects the backfill queue, which is only available on Beeper.
 93        backward_backfill: false
 94    
 95    # Maximum number of participants in chats to bridge. Only applies when the
 96    # portal is being created. If there are more members when trying to create a
 97    # room, the room creation will be cancelled.
 98    #
 99    # -1 means no limit (which means all chats can be bridged)
100    max_member_count: -1
101    # Should personal avatars (that are only visible to specific users) be allowed?
102    contact_avatars: false
103    # Should contact names be updated from any source even if a name is already set?
104    # Note that contact names will still be used if there's no other name available.
105    contact_names: false
106    # Should the bridge send all unicode reactions as custom emoji reactions to
107    # Telegram? By default, the bridge only uses custom emojis for unicode emojis
108    # that aren't allowed in reactions.
109    always_custom_emoji_reaction: false
110    # The avatar to use for the Telegram Saved Messages chat
111    saved_message_avatar: mxc://maunium.net/XhhfHoPejeneOngMyBbtyWDk
112    # Create a new room and tombstone the old one when upgrading rooms
113    always_tombstone_on_supergroup_migration: false
114    # Maximum number of pixels in an image before sending to Telegram as a
115    # document. Defaults to 4096x4096 = 16777216.
116    image_as_file_pixels: 16777216
117    # Should view-once messages be disabled entirely?
118    disable_view_once: false
119    # Displayname template for Telegram users.
120    # {{ .FullName }} - the full name of the Telegram user
121    # {{ .FirstName }} - the first name of the Telegram user
122    # {{ .LastName }} - the last name of the Telegram user
123    # {{ .Username }} - the primary username of the Telegram user, if the user has one
124    # {{ .UserID }} - the internal user ID of the Telegram user
125    # {{ .Deleted }} - true if the user has been deleted, false otherwise
126    displayname_template: "{{ if .Deleted }}Deleted account {{ .UserID }}{{ else }}{{ .FullName }}{{ end }}"
127    
128
129# Config options that affect the central bridge module.
130bridge:
131    # The prefix for commands. Only required in non-management rooms.
132    command_prefix: '!tg'
133    # Should the bridge create a space for each login containing the rooms that account is in?
134    personal_filtering_spaces: true
135    # Whether the bridge should set names and avatars explicitly for DM portals.
136    # This is only necessary when using clients that don't support MSC4171.
137    private_chat_portal_meta: true
138    # Should events be handled asynchronously within portal rooms?
139    # If true, events may end up being out of order, but slow events won't block other ones.
140    # This is not yet safe to use.
141    async_events: false
142    # Should every user have their own portals rather than sharing them?
143    # By default, users who are in the same group on the remote network will be
144    # in the same Matrix room bridged to that group. If this is set to true,
145    # every user will get their own Matrix room instead.
146    # SETTING THIS IS IRREVERSIBLE AND POTENTIALLY DESTRUCTIVE IF PORTALS ALREADY EXIST.
147    split_portals: false
148    # Should the bridge resend `m.bridge` events to all portals on startup?
149    resend_bridge_info: false
150    # Should `m.bridge` events be sent without a state key?
151    # By default, the bridge uses a unique key that won't conflict with other bridges.
152    no_bridge_info_state_key: false
153    # Should bridge connection status be sent to the management room as `m.notice` events?
154    # These contain the same data that can be posted to an external HTTP server using homeserver -> status_endpoint.
155    # Allowed values: none, errors, all
156    bridge_status_notices: errors
157    # How long after an unknown error should the bridge attempt a full reconnect?
158    # Must be at least 1 minute. The bridge will add an extra ±20% jitter to this value.
159    unknown_error_auto_reconnect: null
160    # Maximum number of times to do the auto-reconnect above.
161    # The counter is per login, but is never reset except on logout and restart.
162    unknown_error_max_auto_reconnects: 10
163
164    # Should leaving Matrix rooms be bridged as leaving groups on the remote network?
165    bridge_matrix_leave: false
166    # Should `m.notice` messages be bridged?
167    bridge_notices: false
168    # Should room tags only be synced when creating the portal? Tags mean things like favorite/pin and archive/low priority.
169    # Tags currently can't be synced back to the remote network, so a continuous sync means tagging from Matrix will be undone.
170    tag_only_on_create: true
171    # List of tags to allow bridging. If empty, no tags will be bridged.
172    only_bridge_tags: [m.favourite, m.lowpriority]
173    # Should room mute status only be synced when creating the portal?
174    # Like tags, mutes can't currently be synced back to the remote network.
175    mute_only_on_create: true
176    # Should the bridge check the db to ensure that incoming events haven't been handled before
177    deduplicate_matrix_messages: false
178    # Should cross-room reply metadata be bridged?
179    # Most Matrix clients don't support this and servers may reject such messages too.
180    cross_room_replies: false
181    # If a state event fails to bridge, should the bridge revert any state changes made by that event?
182    revert_failed_state_changes: false
183    # In portals with no relay set, should Matrix users be kicked if they're
184    # not logged into an account that's in the remote chat?
185    kick_matrix_users: true
186    # Should the bridge listen to com.beeper.state_request events?
187    # This is not necessary for anything outside of Beeper.
188    enable_send_state_requests: false
189    # Should the com.beeper.bridge.identifiers list in global ghost profiles include phone numbers?
190    phone_numbers_in_profile: false
191
192    # What should be done to portal rooms when a user logs out or is logged out?
193    # Permitted values:
194    #   nothing - Do nothing, let the user stay in the portals
195    #   kick - Remove the user from the portal rooms, but don't delete them
196    #   unbridge - Remove all ghosts in the room and disassociate it from the remote chat
197    #   delete - Remove all ghosts and users from the room (i.e. delete it)
198    cleanup_on_logout:
199        # Should cleanup on logout be enabled at all?
200        enabled: false
201        # Settings for manual logouts (explicitly initiated by the Matrix user)
202        manual:
203            # Action for private portals which will never be shared with other Matrix users.
204            private: nothing
205            # Action for portals with a relay user configured.
206            relayed: nothing
207            # Action for portals which may be shared, but don't currently have any other Matrix users.
208            shared_no_users: nothing
209            # Action for portals which have other logged-in Matrix users.
210            shared_has_users: nothing
211        # Settings for credentials being invalidated (initiated by the remote network, possibly through user action).
212        # Keys have the same meanings as in the manual section.
213        bad_credentials:
214            private: nothing
215            relayed: nothing
216            shared_no_users: nothing
217            shared_has_users: nothing
218
219    # Settings for relay mode
220    relay:
221        # Whether relay mode should be allowed. If allowed, the set-relay command can be used to turn any
222        # authenticated user into a relaybot for that chat.
223        enabled: false
224        # Should only admins be allowed to set themselves as relay users?
225        # If true, non-admins can only set users listed in default_relays as relays in a room.
226        admin_only: true
227        # Should default relays be preferred when an explicit login ID isn't specified even if the user is logged in?
228        # This applies to the set-relay and bridge commands sent by any user, including admins.
229        prefer_default: true
230        # Should non-admins be allowed to use the bridge and sync-chat commands via default relays specified below?
231        allow_bridge: true
232        # List of user login IDs which anyone can set as a relay, as long as the relay user is in the room.
233        default_relays: []
234        # The formats to use when sending messages via the relaybot.
235        # Available variables:
236        #   .Sender.UserID - The Matrix user ID of the sender.
237        #   .Sender.Displayname - The display name of the sender (if set).
238        #   .Sender.RequiresDisambiguation - Whether the sender's name may be confused with the name of another user in the room.
239        #   .Sender.DisambiguatedName - The disambiguated name of the sender. This will be the displayname if set,
240        #                               plus the user ID in parentheses if the displayname is not unique.
241        #                               If the displayname is not set, this is just the user ID.
242        #   .Message - The `formatted_body` field of the message.
243        #   .Caption - The `formatted_body` field of the message, if it's a caption. Otherwise an empty string.
244        #   .FileName - The name of the file being sent.
245        message_formats:
246            m.text: "<b>{{ .Sender.DisambiguatedName }}</b>: {{ .Message }}"
247            m.notice: "<b>{{ .Sender.DisambiguatedName }}</b>: {{ .Message }}"
248            m.emote: "* <b>{{ .Sender.DisambiguatedName }}</b> {{ .Message }}"
249            m.file: "<b>{{ .Sender.DisambiguatedName }}</b> sent a file{{ if .Caption }}: {{ .Caption }}{{ end }}"
250            m.image: "<b>{{ .Sender.DisambiguatedName }}</b> sent an image{{ if .Caption }}: {{ .Caption }}{{ end }}"
251            m.audio: "<b>{{ .Sender.DisambiguatedName }}</b> sent an audio file{{ if .Caption }}: {{ .Caption }}{{ end }}"
252            m.video: "<b>{{ .Sender.DisambiguatedName }}</b> sent a video{{ if .Caption }}: {{ .Caption }}{{ end }}"
253            m.location: "<b>{{ .Sender.DisambiguatedName }}</b> sent a location{{ if .Caption }}: {{ .Caption }}{{ end }}"
254        # For networks that support per-message displaynames (i.e. Slack and Discord), the template for those names.
255        # This has all the Sender variables available under message_formats (but without the .Sender prefix).
256        # Note that you need to manually remove the displayname from message_formats above.
257        displayname_format: "{{ .DisambiguatedName }}"
258
259    # Filter for automatically creating portals.
260    portal_create_filter:
261        # The mode for filtering, either `deny` or `allow`
262        mode: deny
263        # The list of portal IDs to deny or allow depending on the mode config.
264        # Items here can either be the plain portal ID as a string, or an object with `id` and `receiver` fields.
265        # The receiver field is necessary if you want to target a specific DM portal for example.
266        list: []
267        # A list of user login IDs from which to always deny creating portals.
268        # This is meant to be used with default relays, such that the relay bot
269        # being added to a group wouldn't automatically trigger portal creation.
270        always_deny_from_login: []
271
272    # Permissions for using the bridge.
273    # Permitted values:
274    #    relay - Talk through the relaybot (if enabled), no access otherwise
275    # commands - Access to use commands in the bridge, but not login.
276    #     user - Access to use the bridge with puppeting.
277    #    admin - Full access, user level with some additional administration tools.
278    # Permitted keys:
279    #        * - All Matrix users
280    #   domain - All users on that homeserver
281    #     mxid - Specific user
282    permissions:
283        "*": relay
284        "example.com": user
285        "@admin:example.com": admin
286
287# Config for the bridge's database.
288database:
289    # The database type. "sqlite3-fk-wal" and "postgres" are supported.
290    type: postgres
291    # The database URI.
292    #   SQLite: A raw file path is supported, but `file:<path>?_txlock=immediate` is recommended.
293    #           https://github.com/mattn/go-sqlite3#connection-string
294    #   Postgres: Connection string. For example, postgres://user:password@host/database?sslmode=disable
295    #             To connect via Unix socket, use something like postgres:///dbname?host=/var/run/postgresql
296    uri: postgres://user:password@host/database?sslmode=disable
297    # Maximum number of connections.
298    max_open_conns: 5
299    max_idle_conns: 1
300    # Maximum connection idle time and lifetime before they're closed. Disabled if null.
301    # Parsed with https://pkg.go.dev/time#ParseDuration
302    max_conn_idle_time: null
303    max_conn_lifetime: null
304
305# Homeserver details.
306homeserver:
307    # The address that this appservice can use to connect to the homeserver.
308    # Local addresses without HTTPS are generally recommended when the bridge is running on the same machine,
309    # but https also works if they run on different machines.
310    address: http://example.localhost:8008
311    # The domain of the homeserver (also known as server_name, used for MXIDs, etc).
312    domain: example.com
313
314    # What software is the homeserver running?
315    # Standard Matrix homeservers like Synapse, Dendrite and Conduit should just use "standard" here.
316    software: standard
317    # The URL to push real-time bridge status to.
318    # If set, the bridge will make POST requests to this URL whenever a user's remote network connection state changes.
319    # The bridge will use the appservice as_token to authorize requests.
320    status_endpoint:
321    # Endpoint for reporting per-message status.
322    # If set, the bridge will make POST requests to this URL when processing a message from Matrix.
323    # It will make one request when receiving the message (step BRIDGE), one after decrypting if applicable
324    # (step DECRYPTED) and one after sending to the remote network (step REMOTE). Errors will also be reported.
325    # The bridge will use the appservice as_token to authorize requests.
326    message_send_checkpoint_endpoint:
327    # Does the homeserver support https://github.com/matrix-org/matrix-spec-proposals/pull/2246?
328    async_media: false
329
330    # Should the bridge use a websocket for connecting to the homeserver?
331    # The server side is currently not documented anywhere and is only implemented by mautrix-wsproxy,
332    # mautrix-asmux (deprecated), and hungryserv (proprietary).
333    websocket: false
334    # How often should the websocket be pinged? Pinging will be disabled if this is zero.
335    ping_interval_seconds: 0
336
337# Application service host/registration related details.
338# Changing these values requires regeneration of the registration (except when noted otherwise)
339appservice:
340    # The address that the homeserver can use to connect to this appservice.
341    # Like the homeserver address, a local non-https address is recommended when the bridge is on the same machine.
342    # If the bridge is elsewhere, you must secure the connection yourself (e.g. with https or wireguard)
343    # If you want to use https, you need to use a reverse proxy. The bridge does not have TLS support built in.
344    address: http://localhost:29317
345    # A public address that external services can use to reach this appservice.
346    # This is only needed for things like public media. A reverse proxy is generally necessary when using this field.
347    # This value doesn't affect the registration file.
348    public_address: https://bridge.example.com
349
350    # The hostname and port where this appservice should listen.
351    # For Docker, you generally have to change the hostname to 0.0.0.0.
352    hostname: 127.0.0.1
353    port: 29317
354
355    # The unique ID of this appservice.
356    id: telegram
357    # Appservice bot details.
358    bot:
359        # Username of the appservice bot.
360        username: telegrambot
361        # Display name and avatar for bot. Set to "remove" to remove display name/avatar, leave empty
362        # to leave display name/avatar as-is.
363        displayname: Telegram bridge bot
364        avatar: mxc://maunium.net/tJCRmUyJDsgRNgqhOgoiHWbX
365
366    # Whether to receive ephemeral events via appservice transactions.
367    ephemeral_events: true
368    # Should incoming events be handled asynchronously?
369    # This may be necessary for large public instances with lots of messages going through.
370    # However, messages will not be guaranteed to be bridged in the same order they were sent in.
371    # This value doesn't affect the registration file.
372    async_transactions: false
373
374    # Authentication tokens for AS <-> HS communication. Autogenerated; do not modify.
375    as_token: "This value is generated when generating the registration"
376    hs_token: "This value is generated when generating the registration"
377
378    # Localpart template of MXIDs for remote users.
379    # {{.}} is replaced with the internal ID of the user.
380    username_template: telegram_{{.}}
381
382# Config options that affect the Matrix connector of the bridge.
383matrix:
384    # Whether the bridge should send the message status as a custom com.beeper.message_send_status event.
385    message_status_events: false
386    # Whether the bridge should send a read receipt after successfully bridging a message.
387    delivery_receipts: false
388    # Whether the bridge should send error notices via m.notice events when a message fails to bridge.
389    message_error_notices: true
390    # Whether the bridge should update the m.direct account data event when double puppeting is enabled.
391    sync_direct_chat_list: true
392    # Whether created rooms should have federation enabled. If false, created portal rooms
393    # will never be federated. Changing this option requires recreating rooms.
394    federate_rooms: true
395    # The threshold as bytes after which the bridge should roundtrip uploads via the disk
396    # rather than keeping the whole file in memory.
397    upload_file_threshold: 5242880
398    # Should the bridge set additional custom profile info for ghosts?
399    # This can make a lot of requests, as there's no batch profile update endpoint.
400    ghost_extra_profile_info: false
401
402# Segment-compatible analytics endpoint for tracking some events, like provisioning API login and encryption errors.
403analytics:
404    # API key to send with tracking requests. Tracking is disabled if this is null.
405    token: null
406    # Address to send tracking requests to.
407    url: https://api.segment.io/v1/track
408    # Optional user ID for tracking events. If null, defaults to using Matrix user ID.
409    user_id: null
410
411# Settings for provisioning API
412provisioning:
413    # Shared secret for authentication. If set to "generate" or null, a random secret will be generated,
414    # or if set to "disable", the provisioning API will be disabled. Must be at least 16 characters.
415    shared_secret: generate
416    # Whether to allow provisioning API requests to be authed using Matrix access tokens.
417    # This follows the same rules as double puppeting to determine which server to contact to check the token,
418    # which means that by default, it only works for users on the same server as the bridge.
419    allow_matrix_auth: true
420    # Enable debug API at /debug with provisioning authentication.
421    debug_endpoints: false
422    # Enable session transfers between bridges. Note that this only validates Matrix or shared secret
423    # auth before passing live network client credentials down in the response.
424    enable_session_transfers: false
425
426# Some networks require publicly accessible media download links (e.g. for user avatars when using Discord webhooks).
427# These settings control whether the bridge will provide such public media access.
428public_media:
429    # Should public media be enabled at all?
430    # The public_address field under the appservice section MUST be set when enabling public media.
431    enabled: false
432    # A key for signing public media URLs.
433    # If set to "generate", a random key will be generated.
434    signing_key: generate
435    # Number of seconds that public media URLs are valid for.
436    # If set to 0, URLs will never expire.
437    expiry: 0
438    # Length of hash to use for public media URLs. Must be between 0 and 32.
439    hash_length: 32
440    # The path prefix for generated URLs. Note that this will NOT change the path where media is actually served.
441    # If you change this, you must configure your reverse proxy to rewrite the path accordingly.
442    path_prefix: /_mautrix/publicmedia
443    # Should the bridge store media metadata in the database in order to support encrypted media and generate shorter URLs?
444    # If false, the generated URLs will just have the MXC URI and a HMAC signature.
445    # The hash_length field will be used to decide the length of the generated URL.
446    # This also allows invalidating URLs by deleting the database entry.
447    use_database: false
448
449# Settings for converting remote media to custom mxc:// URIs instead of reuploading.
450# More details can be found at https://docs.mau.fi/bridges/go/discord/direct-media.html
451direct_media:
452    # Should custom mxc:// URIs be used instead of reuploading media?
453    enabled: false
454    # The server name to use for the custom mxc:// URIs.
455    # This server name will effectively be a real Matrix server, it just won't implement anything other than media.
456    # You must either set up .well-known delegation from this domain to the bridge, or proxy the domain directly to the bridge.
457    server_name: discord-media.example.com
458    # Optionally a custom .well-known response. This defaults to `server_name:443`
459    well_known_response:
460    # Optionally specify a custom prefix for the media ID part of the MXC URI.
461    media_id_prefix:
462    # If the remote network supports media downloads over HTTP, then the bridge will use MSC3860/MSC3916
463    # media download redirects if the requester supports it. Optionally, you can force redirects
464    # and not allow proxying at all by setting this to false.
465    # This option does nothing if the remote network does not support media downloads over HTTP.
466    allow_proxy: true
467    # Matrix server signing key to make the federation tester pass, same format as synapse's .signing.key file.
468    # This key is also used to sign the mxc:// URIs to ensure only the bridge can generate them.
469    server_key: generate
470
471# Settings for backfilling messages.
472# Note that the exact way settings are applied depends on the network connector.
473# See https://docs.mau.fi/bridges/general/backfill.html for more details.
474backfill:
475    # Whether to do backfilling at all.
476    enabled: false
477    # Maximum number of messages to backfill in empty rooms.
478    # If this is zero or negative, backfill will be disabled in new rooms.
479    max_initial_messages: 50
480    # Maximum number of missed messages to backfill after bridge restarts.
481    max_catchup_messages: 500
482    # If a backfilled chat is older than this number of hours,
483    # mark it as read even if it's unread on the remote network.
484    unread_hours_threshold: 720
485    # Settings for backfilling threads within other backfills.
486    threads:
487        # Maximum number of messages to backfill in a new thread.
488        max_initial_messages: 50
489    # Settings for the backwards backfill queue. This only applies when connecting to
490    # Beeper as standard Matrix servers don't support inserting messages into history.
491    queue:
492        # Should the backfill queue be enabled?
493        enabled: false
494        # Should manual calls to backfill queue tasks be allowed?
495        manual: false
496        # Number of messages to backfill in one batch.
497        batch_size: 100
498        # Delay between batches in seconds.
499        batch_delay: 20
500        # Maximum number of batches to backfill per portal.
501        # If set to -1, all available messages will be backfilled.
502        max_batches: -1
503        # Optional network-specific overrides for max batches.
504        # Interpretation of this field depends on the network connector.
505        max_batches_override: {}
506
507# Settings for enabling double puppeting
508double_puppet:
509    # Servers to always allow double puppeting from.
510    # This is only for other servers and should NOT contain the server the bridge is on.
511    servers:
512        anotherserver.example.org: https://matrix.anotherserver.example.org
513    # Whether to allow client API URL discovery for other servers. When using this option,
514    # users on other servers can use double puppeting even if their server URLs aren't
515    # explicitly added to the servers map above.
516    allow_discovery: false
517    # Shared secrets for automatic double puppeting.
518    # See https://docs.mau.fi/bridges/general/double-puppeting.html for instructions.
519    secrets:
520        example.com: as_token:foobar
521
522# End-to-bridge encryption support options.
523#
524# See https://docs.mau.fi/bridges/general/end-to-bridge-encryption.html for more info.
525encryption:
526    # Whether to enable encryption at all. If false, the bridge will not function in encrypted rooms.
527    allow: false
528    # Whether to force-enable encryption in all bridged rooms.
529    default: false
530    # Whether to require all messages to be encrypted and drop any unencrypted messages.
531    require: false
532    # Whether to use MSC3202/MSC4203 instead of /sync long polling for receiving encryption-related data.
533    # This is an experimental option, see the docs for more info.
534    # Changing this option requires updating the appservice registration file.
535    appservice: false
536    # Whether to use MSC4190 instead of appservice login to create the bridge bot device.
537    # Requires the homeserver to support MSC4190 and the device masquerading parts of MSC3202.
538    # Only relevant when using end-to-bridge encryption, required when using encryption with next-gen auth (MSC3861).
539    msc4190: false
540    # Whether to encrypt reactions and reply metadata as per MSC4392.
541    # This is not supported by most clients.
542    msc4392: false
543    # Should the bridge bot generate a recovery key and cross-signing keys and verify itself?
544    # Note that without the latest version of MSC4190, this will fail if you reset the bridge database.
545    # The generated recovery key will be saved in the kv_store table under `recovery_key`.
546    self_sign: false
547    # Enable key sharing? If enabled, key requests for rooms where users are in will be fulfilled.
548    # You must use a client that supports requesting keys from other users to use this feature.
549    allow_key_sharing: true
550    # Pickle key for encrypting encryption keys in the bridge database.
551    # If set to generate, a random key will be generated.
552    pickle_key: generate
553    # Options for deleting megolm sessions from the bridge.
554    delete_keys:
555        # Beeper-specific: delete outbound sessions when hungryserv confirms
556        # that the user has uploaded the key to key backup.
557        delete_outbound_on_ack: false
558        # Don't store outbound sessions in the inbound table.
559        dont_store_outbound: false
560        # Ratchet megolm sessions forward after decrypting messages.
561        ratchet_on_decrypt: false
562        # Delete fully used keys (index >= max_messages) after decrypting messages.
563        delete_fully_used_on_decrypt: false
564        # Delete previous megolm sessions from same device when receiving a new one.
565        delete_prev_on_new_session: false
566        # Delete megolm sessions received from a device when the device is deleted.
567        delete_on_device_delete: false
568        # Periodically delete megolm sessions when 2x max_age has passed since receiving the session.
569        periodically_delete_expired: false
570        # Delete inbound megolm sessions that don't have the received_at field used for
571        # automatic ratcheting and expired session deletion. This is meant as a migration
572        # to delete old keys prior to the bridge update.
573        delete_outdated_inbound: false
574    # What level of device verification should be required from users?
575    #
576    # Valid levels:
577    #   unverified - Send keys to all device in the room.
578    #   cross-signed-untrusted - Require valid cross-signing, but trust all cross-signing keys.
579    #   cross-signed-tofu - Require valid cross-signing, trust cross-signing keys on first use (and reject changes).
580    #   cross-signed-verified - Require valid cross-signing, plus a valid user signature from the bridge bot.
581    #                           Note that creating user signatures from the bridge bot is not currently possible.
582    #   verified - Require manual per-device verification
583    #              (currently only possible by modifying the `trust` column in the `crypto_device` database table).
584    verification_levels:
585        # Minimum level for which the bridge should send keys to when bridging messages from the remote network to Matrix.
586        receive: unverified
587        # Minimum level that the bridge should accept for incoming Matrix messages.
588        send: unverified
589        # Minimum level that the bridge should require for accepting key requests.
590        share: cross-signed-tofu
591    # Options for Megolm room key rotation. These options allow you to configure the m.room.encryption event content.
592    # See https://spec.matrix.org/v1.10/client-server-api/#mroomencryption for more information about that event.
593    rotation:
594        # Enable custom Megolm room key rotation settings. Note that these
595        # settings will only apply to rooms created after this option is set.
596        enable_custom: false
597        # The maximum number of milliseconds a session should be used
598        # before changing it. The Matrix spec recommends 604800000 (a week)
599        # as the default.
600        milliseconds: 604800000
601        # The maximum number of messages that should be sent with a given a
602        # session before changing it. The Matrix spec recommends 100 as the
603        # default.
604        messages: 100
605        # Disable rotating keys when a user's devices change?
606        # You should not enable this option unless you understand all the implications.
607        disable_device_change_key_rotation: false
608
609# Prefix for environment variables. All variables with this prefix must map to valid config fields.
610# Nesting in variable names is represented with a dot (.).
611# If there are no dots in the name, two underscores (__) are replaced with a dot.
612#
613# e.g. if the prefix is set to `BRIDGE_`, then `BRIDGE_APPSERVICE__AS_TOKEN` will set appservice.as_token.
614# `BRIDGE_appservice.as_token` would work as well, but can't be set in a shell as easily.
615#
616# If this is null, reading config fields from environment will be disabled.
617env_config_prefix: null
618
619# Logging config. See https://github.com/tulir/zeroconfig for details.
620logging:
621    min_level: debug
622    writers:
623        - type: stdout
624          format: pretty-colored
625        - type: file
626          format: json
627          filename: ./logs/bridge.log
628          max_size: 100
629          max_backups: 10
630          compress: false