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{ config, ... }:
{
# Create a tls cert for the irc server
security.acme.certs = {
"irc.emile.space" = {
webroot = "/var/lib/acme/acme-challenge/";
email = "acme@emile.space";
postRun = "cp fullchain.pem /home/ergo/ && cp key.pem /home/ergo && chown ergo:ergo /home/ergo/*.pem && systemctl reload ergo.service";
};
};
# Allow ergo to access the created cert
# The systemd server runs using a dynamic user, so the below inserts the .pem files
# into "/run/credentials/ergochat.service/key.pem"
systemd.services.ergochat.serviceConfig = {
LoadCredential = [
"fullchain.pem:/var/lib/acme/irc.emile.space/fullchain.pem"
"key.pem:/var/lib/acme/irc.emile.space/key.pem"
];
};
# allow connections to the port from the "outside"
networking.firewall.allowedTCPPorts = [ config.emile.ports.irc.ssl ];
services.ergochat = {
enable = true;
# https://raw.githubusercontent.com/ergochat/ergo/master/default.yaml
settings = {
accounts = {
authentication-enabled = true;
multiclient = {
allowed-by-default = true;
always-on = "opt-out";
auto-away = "opt-out";
enabled = true;
};
registration = {
enabled = true;
allow-before-connect = true;
bcrypt-cost = 4;
email-verification = {
enabled = false;
};
throttling = {
duration = "10m";
enabled = true;
max-attempts = 30;
};
};
};
channels = {
default-modes = "+ntC";
registration = {
enabled = true;
};
};
datastore = {
autoupgrade = true;
path = "/var/lib/ergo/ircd.db";
};
history = {
enabled = true;
autoreplay-on-join = 0;
autoresize-window = "3d";
channel-length = 2048;
chathistory-maxmessages = 100;
client-length = 256;
restrictions = {
expire-time = "1w";
grace-period = "1h";
query-cutoff = "none";
};
retention = {
allow-individual-delete = false;
enable-account-indexing = false;
};
tagmsg-storage = {
default = false;
whitelist = [
"+draft/react"
"+react"
];
};
znc-maxmessages = 2048;
};
limits = {
awaylen = 390;
channellen = 64;
identlen = 20;
kicklen = 390;
nicklen = 32;
topiclen = 390;
};
network = {
name = "emilespace";
};
server = {
casemapping = "permissive";
check-ident = false;
enforce-utf = true;
forward-confirm-hostnames = false;
ip-cloaking = {
enabled = false;
};
ip-limits = {
count = false;
throttle = false;
};
listeners = {
# sts only port
":6667".sts-only = true;
# loopback listeners
# "127.0.0.1:6668" = {};
# "[::]:6668" = {};
":${toString config.emile.ports.irc.ssl}" = {
tls = {
cert = "/run/credentials/ergochat.service/fullchain.pem";
key = "/run/credentials/ergochat.service/key.pem";
};
# for cloud load balancers setting a PROXY header, NOT reverse proxies...
proxy = false;
min-tls-version = 1.2;
};
};
lookup-hostnames = false;
max-sendq = "1M";
name = "emile.space";
relaymsg = {
enabled = false;
};
sts = {
enabled = true; # redirect from plain to tls if supported
# how long clients should be forced to use TLS for.
# (Emile): no clue why, can I set something like \infty here?
duration = "12m";
};
};
logging = [
{
method = "stderr";
type = "* -userinput -useroutput";
level = "debug";
}
];
};
};
}
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