selfprivacy-nixos-config/sp-modules/roundcube/module.nix

247 lines
9.9 KiB
Nix

{ config, lib, pkgs, ... }:
let
domain = config.selfprivacy.domain;
cfg = config.selfprivacy.modules.roundcube;
auth-module = config.selfprivacy.modules.auth;
auth-fqdn = auth-module.subdomain + "." + domain;
oauth-client-id = "roundcube";
dovecot-service-account-name = "dovecot-service-account";
postfix-service-account-name = "postfix-service-account";
dovecot-service-account-token-name = "dovecot-service-account-token";
postfix-service-account-token-name = "postfix-service-account-token";
# dovecot-service-account-token-fp = "/run/kanidm/token/dovecot";
dovecot-service-account-token-fp =
"/run/keys/dovecot/kanidm-service-account-token";
postfix-service-account-token-fp =
"/run/keys/postfix/kanidm-service-account-token";
dovecot-group = "dovecot2"; # FIXME
postfix-group = "postfix"; # FIXME
# FIXME use usernames and groups from `config`
# FIXME dependency on dovecot2 and postfix
# set-group-ID bit allows for kanidm user to create files,
# which inherit directory group (.e.g dovecot, postfix)
kanidmExecStartPostScriptRoot = pkgs.writeShellScript
"roundcube-kanidm-ExecStartPost-root-script.sh"
''
mkdir -p -v --mode=u+rwx,g+rs,g-w,o-rwx /run/keys/dovecot
chown kanidm:dovecot2 /run/keys/dovecot
mkdir -p -v --mode=u+rwx,g+rs,g-w,o-rwx /run/keys/postfix
chown kanidm:postfix /run/keys/postfix
'';
# FIXME parameterize names like "dovecot2" group
kanidmExecStartPostScript = pkgs.writeShellScript
"roundcube-kanidm-ExecStartPost-script.sh"
''
export HOME=$RUNTIME_DIRECTORY/client_home
readonly KANIDM="${pkgs.kanidm}/bin/kanidm"
# get Kanidm service account for Dovecot
KANIDM_SERVICE_ACCOUNT="$($KANIDM service-account list --name idm_admin | grep -E "^name: ${dovecot-service-account-name}$")"
echo KANIDM_SERVICE_ACCOUNT: "$KANIDM_SERVICE_ACCOUNT"
if [ -n "$KANIDM_SERVICE_ACCOUNT" ]
then
echo "kanidm service account \"${dovecot-service-account-name}\" is found"
else
echo "kanidm service account \"${dovecot-service-account-name}\" is not found"
echo "creating new kanidm service account \"${dovecot-service-account-name}\""
if $KANIDM service-account create --name idm_admin ${dovecot-service-account-name} ${dovecot-service-account-name} idm_admin
then
"kanidm service account \"${dovecot-service-account-name}\" created"
else
echo "error: cannot create kanidm service account \"${dovecot-service-account-name}\""
exit 1
fi
fi
# add Kanidm service account to `idm_mail_servers` group
$KANIDM group add-members idm_mail_servers ${dovecot-service-account-name}
# create a new read-only token for Dovecot
if ! KANIDM_SERVICE_ACCOUNT_TOKEN_JSON="$($KANIDM service-account api-token generate --name idm_admin ${dovecot-service-account-name} ${dovecot-service-account-token-name} --output json)"
then
echo "error: kanidm CLI returns an error when trying to generate service-account api-token"
exit 1
fi
if ! KANIDM_SERVICE_ACCOUNT_TOKEN="$(echo "$KANIDM_SERVICE_ACCOUNT_TOKEN_JSON" | ${lib.getExe pkgs.jq} -r .result)"
then
echo "error: cannot get service-account API token from JSON"
exit 1
fi
# if ! printf "%s\n" "$KANIDM_SERVICE_ACCOUNT_TOKEN" > ${dovecot-service-account-token-fp}
if ! install --mode=640 \
<(printf "%s" "$KANIDM_SERVICE_ACCOUNT_TOKEN") \
${dovecot-service-account-token-fp}
then
echo "error: cannot write token to \"${dovecot-service-account-token-fp}\""
exit 1
fi
'';
in
{
options.selfprivacy.modules.roundcube = {
enable = (lib.mkOption {
default = false;
type = lib.types.bool;
description = "Enable";
}) // {
meta = {
type = "enable";
};
};
subdomain = (lib.mkOption {
default = "roundcube";
type = lib.types.strMatching "[A-Za-z0-9][A-Za-z0-9\-]{0,61}[A-Za-z0-9]";
description = "Subdomain";
}) // {
meta = {
widget = "subdomain";
type = "string";
regex = "[A-Za-z0-9][A-Za-z0-9\-]{0,61}[A-Za-z0-9]";
weight = 0;
};
};
};
config = lib.mkIf cfg.enable {
# FIXME get user names from `config`
# in order to allow access below /run/keys
users.groups.keys.members = [ "kanidm" "dovecot2" "postfix" ];
services.roundcube = {
enable = true;
# package = pkgs.roundcube.overrideAttrs (_: rec {
# version = "1.6.9";
# src = pkgs.fetchurl {
# url = "https://github.com/roundcube/roundcubemail/releases/download/${version}/roundcubemail-${version}-complete.tar.gz";
# sha256 = "sha256-thpfXCL4kMKZ6TWqz88IcGdpkNiuv/DWzf8HW/F8708=";
# };
# # src = pkgs.fetchurl {
# # url = "https://github.com/roundcube/roundcubemail/archive/master/3a6e25a5b386e0d87427b934ccd2e0e282e0a74e.tar.gz";
# # sha256 = "sha256-EpEI4E+r3reYbI/5rquia+zgz1+6k49lPChlp4QiZTE=";
# # };
# postFixup = ''
# cp -v ${/data/sp/roundcubemail-1.6.9/program/include/rcmail_oauth.php} $out/program/include/rcmail_oauth.php
# cp -v ${/data/sp/roundcubemail-1.6.9/program/actions/login/oauth.php} $out/program/actions/login/oauth.php
# rm -r $out/program/localization/*
# '';
# });
# package = pkgs.runCommandNoCCLocal "roundcube-debug" {} ''
# cp -r --no-preserve=all ${pkgs.roundcube} $out
# cp -v ${/data/sp/roundcubemail-1.6.8/plugins/debug_logger/debug_logger.php} $out/plugins/debug_logger/debug_logger.php
# cp -v ${/data/sp/roundcubemail-1.6.8/program/include/rcmail_oauth.php} $out/program/include/rcmail_oauth.php
# '';
# this is the url of the vhost, not necessarily the same as the fqdn of
# the mailserver
hostName = "${cfg.subdomain}.${config.selfprivacy.domain}";
# plugins = [ "debug_logger" ];
extraConfig = ''
# starttls needed for authentication, so the fqdn required to match
# the certificate
$config['smtp_host'] = "tls://${config.mailserver.fqdn}";
# $config['smtp_user'] = "%u";
# $config['smtp_pass'] = "%p";
'' + lib.strings.optionalString auth-module.enable ''
$config['oauth_provider'] = 'generic';
$config['oauth_provider_name'] = 'kanidm'; # FIXME
$config['oauth_client_id'] = '${oauth-client-id}';
$config['oauth_client_secret'] = 'VERYSTRONGSECRETFORROUNDCUBE'; # FIXME
$config['oauth_auth_uri'] = 'https://${auth-fqdn}/ui/oauth2';
$config['oauth_token_uri'] = 'https://${auth-fqdn}/oauth2/token';
$config['oauth_identity_uri'] = 'https://${auth-fqdn}/oauth2/openid/${oauth-client-id}/userinfo';
$config['oauth_scope'] = 'email profile openid';
# $config['oauth_scope'] = 'email openid dovecotprofile';
$config['oauth_auth_parameters'] = [];
$config['oauth_identity_fields'] = ['email'];
$config['oauth_login_redirect'] = false;
$config['auto_create_user'] = true;
$config['log_dir'] = '/tmp/roundcube';
$config['log_driver'] = 'stdout';
$config['log_errors'] = 1;
// Log SQL queries to <log_dir>/sql or to syslog
$config['sql_debug'] = true;
// Log IMAP conversation to <log_dir>/imap or to syslog
$config['imap_debug'] = true;
$config['log_debug'] = true;
$config['oauth_debug'] = true;
// Log LDAP conversation to <log_dir>/ldap or to syslog
$config['ldap_debug'] = true;
// Log SMTP conversation to <log_dir>/smtp or to syslog
$config['smtp_debug'] = true;
$config['debug_logger']['master'] = 'master';
$config['debug_logger']['oauth'] = 'oauth';
$config['debug_logger']['imap'] = 'imap';
$config['debug_logger']['log'] = 'log';
$config['debug_logger']['smtp'] = 'smtp';
$config['oauth_verify_peer'] = false;
$config['log_logins'] = true;
$config['log_session'] = true;
# $config['oauth_pkce'] = 'S256';
'';
};
services.nginx.virtualHosts."${cfg.subdomain}.${domain}" = {
forceSSL = true;
useACMEHost = domain;
enableACME = false;
# extraConfig = ''
# add_header X-Frame-Options DENY;
# add_header X-Content-Type-Options nosniff;
# add_header X-XSS-Protection "1; mode=block";
# '';
};
systemd = {
services = {
phpfpm-roundcube.serviceConfig = {
Slice = lib.mkForce "roundcube.slice";
StandardError = "journal";
StandardOutput = "journal";
};
kanidm.serviceConfig.ExecStartPost = lib.mkAfter [
("+" + kanidmExecStartPostScriptRoot)
kanidmExecStartPostScript
];
};
slices.roundcube = {
description = "Roundcube service slice";
};
};
services.kanidm.provision = lib.mkIf auth-module.enable {
groups.roundcube_users.present = true;
systems.oauth2.roundcube = {
displayName = "Roundcube";
originUrl = "https://${cfg.subdomain}.${domain}/index.php/login/oauth";
originLanding = "https://${cfg.subdomain}.${domain}/";
basicSecretFile = pkgs.writeText "bs-roundcube" "VERYSTRONGSECRETFORROUNDCUBE";
# when true, name is passed to a service instead of name@domain
preferShortUsername = false;
allowInsecureClientDisablePkce = true; # FIXME is it needed?
scopeMaps.roundcube_users = [
"email"
"profile"
"openid"
];
# scopeMaps.roundcube_users = [
# "email"
# "openid"
# "dovecotprofile"
# ];
# add more scopes when a user is a member of specific group
# claimMaps.groups = {
# joinType = "array";
# valuesByGroup = {
# "sp.roundcube.admin" = [ "admin" ];
# };
# };
};
};
};
}