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lass.pds.lassul.us/superconfig
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1{ config, pkgs, ... }:
2{
3 services.mautrix-signal = {
4 enable = true;
5 registerToSynapse = true;
6 # use pure-Go olm implementation to avoid the insecure libolm dependency
7 package = pkgs.mautrix-signal.override { withGoolm = true; };
8 settings = {
9 homeserver = {
10 address = "http://[::1]:8008";
11 domain = "lassul.us";
12 };
13 appservice = {
14 address = "http://127.0.0.1:29328";
15 hostname = "127.0.0.1";
16 port = 29328;
17 username_template = "signal_{{.}}";
18 };
19 database = {
20 type = "postgres";
21 uri = "postgres:///mautrix-signal?host=/run/postgresql";
22 };
23 # mautrix-signal v2 (bridgev2 framework) splits config into multiple
24 # top-level sections; see mautrix-whatsapp.nix for explanation.
25 network = {
26 displayname_template = "{{or .ProfileName .PhoneNumber \"Unknown user\"}} (S)";
27 };
28 matrix = {
29 delivery_receipts = false;
30 message_status_events = false;
31 };
32 encryption = {
33 allow = false;
34 default = false;
35 require = false;
36 };
37 bridge = {
38 personal_filtering_spaces = true;
39 permissions = {
40 "lassul.us" = "user";
41 "@lassulus:lassul.us" = "admin";
42 };
43 };
44 logging = {
45 min_level = "info";
46 writers = [
47 {
48 type = "stdout";
49 format = "pretty-colored";
50 }
51 ];
52 };
53 };
54 };
55
56 # let synapse read the appservice registration file written by the bridge
57 users.users.matrix-synapse.extraGroups = [ "mautrix-signal" ];
58
59 services.postgresql = {
60 ensureDatabases = [ "mautrix-signal" ];
61 ensureUsers = [
62 {
63 name = "mautrix-signal";
64 ensureDBOwnership = true;
65 }
66 ];
67 };
68
69 # portal mappings, sessions, tokens: losing them means relogin and every
70 # existing Matrix room orphaned
71 lass.backup.state.mautrix-signal.preBackup = ''
72 mkdir -p /var/backup/postgresql
73 ${pkgs.sudo}/bin/sudo -u postgres ${config.services.postgresql.package}/bin/pg_dump \
74 mautrix-signal | ${pkgs.gzip}/bin/gzip > /var/backup/postgresql/mautrix-signal.sql.gz
75 '';
76}