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pvv-nixos-config/hosts/jokum/services/matrix/synapse.nix

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{ config, lib, pkgs, values, ... }:
let
cfg = config.services.matrix-synapse-next;
imap0Attrs = with lib; f: set:
listToAttrs (imap0 (i: attr: nameValuePair attr (f i attr set.${attr})) (attrNames set));
in {
sops.secrets."matrix/synapse/dbconfig" = {
owner = config.users.users.matrix-synapse.name;
group = config.users.users.matrix-synapse.group;
};
sops.secrets."matrix/synapse/signing_key" = {
owner = config.users.users.matrix-synapse.name;
group = config.users.users.matrix-synapse.group;
};
services.matrix-synapse-next = {
enable = true;
dataDir = "/data/synapse";
workers.federationSenders = 2;
workers.federationReceivers = 1;
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workers.initialSyncers = 1;
workers.normalSyncers = 1;
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workers.eventPersisters = 1;
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workers.useUserDirectoryWorker = true;
enableNginx = true;
extraConfigFiles = [
config.sops.secrets."matrix/synapse/dbconfig".path
];
settings = {
server_name = "pvv.ntnu.no";
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public_baseurl = "https://matrix.pvv.ntnu.no";
signing_key_path = config.sops.secrets."matrix/synapse/signing_key".path;
media_store_path = "${cfg.dataDir}/media";
autocreate_auto_join_rooms = false;
auto_join_rooms = [
"#pvv:pvv.ntnu.no" # Main space
"#announcements:pvv.ntnu.no"
"#general:pvv.ntnu.no"
];
allow_public_rooms_over_federation = true;
max_upload_size = "150M";
enable_metrics = true;
enable_registration = false;
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password_config.enabled = lib.mkForce false;
trusted_key_servers = [
{ server_name = "matrix.org"; }
{ server_name = "dodsorf.as"; }
];
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url_preview_enabled = true;
url_preview_ip_range_blacklist = [
# synapse example config
"127.0.0.0/8"
"10.0.0.0/8"
"172.16.0.0/12"
"192.168.0.0/16"
"100.64.0.0/10"
"192.0.0.0/24"
"169.254.0.0/16"
"192.88.99.0/24"
"198.18.0.0/15"
"192.0.2.0/24"
"198.51.100.0/24"
"203.0.113.0/24"
"224.0.0.0/4"
"::1/128"
"fe80::/10"
"fc00::/7"
"2001:db8::/32"
"ff00::/8"
"fec0::/10"
# NTNU
"129.241.0.0/16"
"2001:700:300::/44"
];
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saml2_config = {
sp_config.metadata.remote = [
{ url = "https://idp.pvv.ntnu.no/simplesaml/saml2/idp/metadata.php"; }
];
description = [ "Matrix Synapse SP" "en" ];
name = [ "Matrix Synapse SP" "en" ];
ui_info = {
display_name = [
{
lang = "en";
text = "PVV Matrix login";
}
];
description = [
{
lang = "en";
text = "Matrix is a modern free and open federated chat protocol";
}
];
#information_url = [
# {
# lang = "en";
# text = "";
# };
#];
#privacy_statement_url = [
# {
# lang = "en";
# text = "";
# };
#];
keywords = [
{
lang = "en";
text = [ "Matrix" "Element" ];
}
];
#logo = [
# {
# lang = "en";
# text = "";
# width = "";
# height = "";
# }
#];
};
organization = {
name = "Programvareverkstedet";
display_name = [ "Programvareverkstedet" "en" ];
url = "https://www.pvv.ntnu.no";
};
contact_person = [
{ given_name = "Drift";
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sur_name = "King";
email_adress = [ "drift@pvv.ntnu.no" ];
contact_type = "technical";
}
];
user_mapping_provider = {
config = {
mxid_source_attribute = "uid"; # What is this supposed to be?
mxid_mapping = "hexencode";
};
};
#attribute_requirements = [
# {attribute = "userGroup"; value = "medlem";} # Do we have this?
#];
};
};
};
services.redis.servers."".enable = true;
services.nginx.virtualHosts."matrix.pvv.ntnu.no" = lib.mkMerge [({
locations = let
isListenerType = type: listener: lib.lists.any (r: lib.lists.any (n: n == type) r.names) listener.resources;
isMetricsListener = l: isListenerType "metrics" l;
firstMetricsListener = w: lib.lists.findFirst isMetricsListener (throw "No metrics endpoint on worker") w.settings.worker_listeners;
wAddress = w: lib.lists.findFirst (_: true) (throw "No address in receiver") (firstMetricsListener w).bind_addresses;
wPort = w: (firstMetricsListener w).port;
socketAddress = w: "${wAddress w}:${toString (wPort w)}";
metricsPath = w: "/metrics/${w.type}/${toString w.index}";
proxyPath = w: "http://${socketAddress w}/_synapse/metrics";
in lib.mapAttrs' (n: v: lib.nameValuePair
(metricsPath v) ({
proxyPass = proxyPath v;
extraConfig = ''
allow ${values.ildkule.ipv4};
allow ${values.ildkule.ipv6};
deny all;
'';
}))
cfg.workers.instances;
})
({
locations."/metrics/master/1" = {
proxyPass = "http://127.0.0.1:9000/_synapse/metrics";
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extraConfig = ''
allow ${values.ildkule.ipv4};
allow ${values.ildkule.ipv6};
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deny all;
'';
};
locations."/metrics/" = let
endpoints = builtins.map (x: "matrix.pvv.ntnu.no/metrics/${x}") [
"master/1"
"fed-sender/1"
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"fed-sender/2"
"fed-receiver/1"
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"initial-sync/1"
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"normal-sync/1"
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"event-persist/1"
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"user-dir/1"
];
in {
alias = pkgs.writeTextDir "/config.json"
(builtins.toJSON [
{ targets = endpoints;
labels = { };
}]) + "/";
};
})];
}