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|
{
config,
lib,
...
}:
let
cfg = config.wilkuu.services.mail;
hostname = config.networking.hostName;
in
{
options.wilkuu.services.mail = with lib; {
enable = mkEnableOption "Enable webmail";
doACME = mkEnableOption "Enable ACME for stalwart here";
defaultDomain = mkOption {
type = lib.types.str;
default = "mail.${hostname}.local";
example = "mail.wilkuu.xyz";
description = "Domain for http connections.";
};
domains = mkOption {
type = types.listOf types.str;
default = [ ];
example = [ "mail.wilkuu.xyz" ];
description = "Domains for email.";
};
wellKnownDomains = mkOption {
type = types.listOf types.str;
default = [ "${hostname}.local" ];
example = [ "wilkuu.xyz" ];
description = "Domain for well-known items";
};
extraConfig = mkOption {
type = types.listOf types.attrs;
description = "Additional plan steps added to the stalwart config";
default = [ ];
example = [ ];
};
extraCreate = mkOption {
type = types.listOf types.attrs;
description = "Additional idempotent create steps added to the stalwart config";
default = [ ];
example = [ ];
};
startupMode = mkOption {
type = types.enum [
"normal"
"bootstrap"
"recovery"
];
description = "Whenever to use the bootstrap or recovery mode, see https://stalw.art/docs/configuration/bootstrap-mode/ and https://stalw.art/docs/configuration/recovery-mode/";
default = "normal";
example = "bootstrap";
};
};
config = lib.mkIf cfg.enable (
let
sopsPath = ../secrets/${hostname}/stalwart.yaml;
secrets = [
"admin_user"
"admin_password"
"recovery_user"
"recovery_password"
"oidc_secret"
];
toSops = (sname: "stalwart16/${sname}");
toPlaceholder = (sname: config.sops.placeholder.${toSops sname});
toCredfilePath = (name: config.sops.secrets.${toSops name}.path);
# We do this to satisfy the foreign key constraint of the SystemSettings singleton
proxyWellKnown =
names:
let
uris = map (n: "/.well-known/${n}") names;
in
(lib.genAttrs uris (uri: {
proxyPass = "http://127.0.0.1:8080${uri}";
recommendedProxySettings = true;
}));
makeHTTPRedirectBody = target: https: "302 ${if https then "https" else "http"}://${target}";
in
{
users.users.stalwart = {
isSystemUser = true;
group = "stalwart";
};
users.groups.stalwart = { };
sops.secrets = (
lib.genAttrs (map toSops secrets) (_name: {
sopsFile = sopsPath;
mode = "0440";
owner = "stalwart";
})
);
sops.templates = {
stalwart-config-creds = {
owner = "stalwart";
mode = "0440";
content = ''
STALWART_USER=${toPlaceholder "admin_user"}
STALWART_PASSWORD=${toPlaceholder "admin_password"}
'';
};
stalwart-recovery-creds = {
owner = "stalwart";
mode = "0440";
content = ''
STALWART_RECOVERY_ADMIN=${toPlaceholder "recovery_user"}:${toPlaceholder "recovery_password"}
'';
};
};
security.acme.certs.${cfg.defaultDomain}.extraLegoRenewFlags = [
"--reuse-key"
];
services.nginx.enable = lib.mkDefault true;
services.nginx.virtualHosts =
(lib.genAttrs
(lib.concatLists [
cfg.wellKnownDomains
cfg.domains
[ cfg.defaultDomain ]
])
(_wdomain: {
forceSSL = lib.mkDefault cfg.doACME;
enableACME = lib.mkDefault cfg.doACME;
locations =
(proxyWellKnown [
"mta-sts.txt"
"mail-v1.xml"
"autoconfig/mail"
"openid-configuration"
"oauth-authorization-server"
])
// (lib.genAttrs [ "/.well-known/caldav/" "/.well-known/webdav/" "/.well-known/jmap" ] (uri: {
extraConfig = ''
return ${makeHTTPRedirectBody "${cfg.defaultDomain}${uri}" cfg.doACME};
'';
}));
})
)
// (lib.genAttrs [ cfg.defaultDomain ] (_domain: {
forceSSL = cfg.doACME;
enableACME = cfg.doACME;
#serverName = "${domain}";
locations."/" = {
proxyPass = "http://127.0.0.1:8080";
proxyWebsockets = true;
recommendedProxySettings = true;
};
}));
stalwart-nix.stalwart = {
enable = cfg.enable;
url =
if cfg.startupMode != "normal" then "http://127.0.0.1:8080/" else "http://${cfg.defaultDomain}";
credentialsFile = config.sops.templates.stalwart-config-creds.path;
recoveryCredentialsFile = config.sops.templates.stalwart-recovery-creds.path;
startupMode = cfg.startupMode;
user = "stalwart";
group = "stalwart";
configPlanPre = [ ];
idempotentCreate = cfg.extraCreate;
configPlanPost = cfg.extraConfig;
useMimalloc = true;
credentials =
(lib.genAttrs secrets toCredfilePath)
// (builtins.foldl' (a: b: a // b) ({ }) (
map (
domain:
let
acme_dir = config.security.acme.certs.${domain}.directory;
cert_path = file: "${acme_dir}/${file}";
in
{
"tls_${domain}_cert.pem" = cert_path "cert.pem";
"tls_${domain}_key.pem" = cert_path "key.pem";
}
) (lib.optionals cfg.doACME (lib.unique ([ cfg.defaultDomain ] ++ cfg.domains)))
));
};
}
);
}
|
