server: add SMTP config, user management web pages, install script

- SMTP configuration in admin panel with test button
- Admin web interface for user creation (/admin/create-user)
- REST API for user creation (/admin/api/users/create)
- Self-registration endpoint (/register)
- Systemd service file and install script
This commit is contained in:
mirivlad 2026-06-20 19:21:25 +08:00
parent c9b35295cb
commit c793084fa4
7 changed files with 653 additions and 0 deletions

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build/bin/verstak-sync-server Executable file

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package server
import (
"crypto/rand"
"encoding/hex"
"fmt"
"log"
"net/http"
"strings"
"time"
"golang.org/x/crypto/bcrypt"
)
func (s *Server) requireUserWeb(w http.ResponseWriter, r *http.Request) (string, bool) {
cookie, err := r.Cookie("user_session")
if err != nil {
http.Redirect(w, r, "/login", http.StatusFound)
return "", false
}
userID, ok := s.userTokens.Check(cookie.Value)
if !ok {
http.Redirect(w, r, "/login", http.StatusFound)
return "", false
}
return userID, true
}
func (s *Server) handleUserWebRegister(w http.ResponseWriter, r *http.Request) {
locale := s.locale()
switch r.Method {
case "GET":
w.Header().Set("Content-Type", "text/html; charset=utf-8")
w.Write([]byte(userRegisterHTML(locale)))
case "POST":
if err := r.ParseForm(); err != nil {
w.Header().Set("Content-Type", "text/html; charset=utf-8")
w.WriteHeader(400)
w.Write([]byte(errorPageHTML(locale, "400 Bad request", "400 Bad request", "/register")))
return
}
username := r.FormValue("username")
email := r.FormValue("email")
password := r.FormValue("password")
if username == "" || email == "" || password == "" {
w.Header().Set("Content-Type", "text/html; charset=utf-8")
w.WriteHeader(400)
w.Write([]byte(errorPageHTML(locale, t(locale, "common.error"), t(locale, "server.allFieldsRequired"), "/register")))
return
}
if err := validatePassword(password); err != "" {
w.Header().Set("Content-Type", "text/html; charset=utf-8")
w.WriteHeader(400)
w.Write([]byte(errorPageHTML(locale, t(locale, "common.error"), string(err), "/register")))
return
}
hash, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
if err != nil {
w.Header().Set("Content-Type", "text/html; charset=utf-8")
w.WriteHeader(500)
w.Write([]byte(errorPageHTML(locale, t(locale, "common.error"), "internal error", "/register")))
return
}
now := time.Now().UTC().Format(time.RFC3339)
id := make([]byte, 12)
rand.Read(id)
userID := hex.EncodeToString(id)
_, err = s.db.Exec(
"INSERT INTO server_users (id, username, email, password_hash, confirmed, created_at) VALUES (?, ?, ?, ?, 0, ?)",
userID, username, strings.ToLower(email), string(hash), now,
)
if err != nil {
w.Header().Set("Content-Type", "text/html; charset=utf-8")
if strings.Contains(err.Error(), "UNIQUE") {
w.WriteHeader(409)
w.Write([]byte(errorPageHTML(locale, t(locale, "common.error"), "Username or email already taken", "/register")))
} else {
w.WriteHeader(500)
w.Write([]byte(errorPageHTML(locale, t(locale, "common.error"), err.Error(), "/register")))
}
return
}
tok := make([]byte, 24)
rand.Read(tok)
tokenStr := hex.EncodeToString(tok)
exp := time.Now().Add(48 * time.Hour).UTC().Format(time.RFC3339)
s.db.Exec("INSERT INTO server_email_tokens (token, user_id, purpose, expires_at, created_at) VALUES (?, ?, 'confirm', ?, ?)",
tokenStr, userID, exp, now)
host := s.smtpGet("smtp_host")
if host != "" {
srvURL := s.smtpGet("server_url")
var confirmURL string
if srvURL != "" {
confirmURL = fmt.Sprintf("%s/api/v1/auth/confirm?token=%s", srvURL, tokenStr)
} else {
confirmURL = fmt.Sprintf("http://%s/api/v1/auth/confirm?token=%s", r.Host, tokenStr)
}
body := fmt.Sprintf(t(locale, "server.emailConfirmBody"), confirmURL)
if err := s.smtpSend(email, t(locale, "server.emailConfirmSubject"), body); err != nil {
log.Printf("register web: failed to send confirm email: %v", err)
}
} else {
log.Printf("register web: SMTP not configured, confirmation token=%s for user %s", tokenStr, username)
}
w.Header().Set("Content-Type", "text/html; charset=utf-8")
regMsg := registrationOKHTML(locale)
if host == "" {
regMsg = registrationAutoHTML(locale)
}
w.Write([]byte(regMsg))
default:
jsonErr(w, 405, "method not allowed")
}
}
func (s *Server) handleUserWebForgot(w http.ResponseWriter, r *http.Request) {
locale := s.locale()
switch r.Method {
case "GET":
w.Header().Set("Content-Type", "text/html; charset=utf-8")
w.Write([]byte(forgotPasswordHTML(locale)))
case "POST":
if err := r.ParseForm(); err != nil {
jsonErr(w, 400, "bad form")
return
}
email := strings.ToLower(r.FormValue("email"))
if email == "" {
w.Header().Set("Content-Type", "text/html; charset=utf-8")
w.Write([]byte(errorPageHTML(locale, t(locale, "common.error"), t(locale, "server.needEmail"), "/forgot")))
return
}
var userID string
err := s.db.QueryRow("SELECT id FROM server_users WHERE email=?", email).Scan(&userID)
if err != nil {
w.Header().Set("Content-Type", "text/html; charset=utf-8")
w.Write([]byte(forgotSentHTML(locale)))
return
}
tok := make([]byte, 24)
rand.Read(tok)
tokenStr := hex.EncodeToString(tok)
exp := time.Now().Add(1 * time.Hour).UTC().Format(time.RFC3339)
now := time.Now().UTC().Format(time.RFC3339)
s.db.Exec("INSERT INTO server_email_tokens (token, user_id, purpose, expires_at, created_at) VALUES (?, ?, 'reset', ?, ?)",
tokenStr, userID, exp, now)
host := s.smtpGet("smtp_host")
if host != "" {
srvURL := s.smtpGet("server_url")
resetURL := fmt.Sprintf("/reset?token=%s", tokenStr)
if srvURL != "" {
resetURL = fmt.Sprintf("%s/reset?token=%s", srvURL, tokenStr)
}
body := fmt.Sprintf(t(locale, "server.emailResetBody"), resetURL)
if err := s.smtpSend(email, t(locale, "server.emailResetSubject"), body); err != nil {
log.Printf("forgot web: failed to send reset email: %v", err)
}
} else {
log.Printf("forgot web: SMTP not configured, reset token=%s for email %s", tokenStr, email)
}
w.Header().Set("Content-Type", "text/html; charset=utf-8")
w.Write([]byte(forgotSentHTML(locale)))
default:
jsonErr(w, 405, "method not allowed")
}
}
func (s *Server) handleUserWebReset(w http.ResponseWriter, r *http.Request) {
locale := s.locale()
switch r.Method {
case "GET":
token := r.URL.Query().Get("token")
if token == "" {
http.Redirect(w, r, "/forgot", http.StatusFound)
return
}
var userID, expiresAt string
err := s.db.QueryRow("SELECT user_id, expires_at FROM server_email_tokens WHERE token=? AND purpose='reset'",
token).Scan(&userID, &expiresAt)
if err != nil {
http.Redirect(w, r, "/forgot", http.StatusFound)
return
}
exp, err := time.Parse(time.RFC3339, expiresAt)
if err != nil || time.Now().After(exp) {
http.Redirect(w, r, "/forgot", http.StatusFound)
return
}
w.Header().Set("Content-Type", "text/html; charset=utf-8")
html := strings.ReplaceAll(resetPasswordHTML(locale), "{TOKEN}", token)
w.Write([]byte(html))
case "POST":
if err := r.ParseForm(); err != nil {
jsonErr(w, 400, "bad form")
return
}
token := r.FormValue("token")
newPass := r.FormValue("password")
confirm := r.FormValue("confirm")
if token == "" || newPass == "" || confirm == "" {
w.Header().Set("Content-Type", "text/html; charset=utf-8")
w.Write([]byte(errorPageHTML(locale, t(locale, "common.error"), t(locale, "server.allFieldsRequired"), "/forgot")))
return
}
if err := validatePassword(newPass); err != "" {
w.Header().Set("Content-Type", "text/html; charset=utf-8")
w.Write([]byte(errorPageHTML(locale, t(locale, "common.error"), string(err), "/reset?token="+token)))
return
}
if newPass != confirm {
w.Header().Set("Content-Type", "text/html; charset=utf-8")
w.Write([]byte(errorPageHTML(locale, t(locale, "common.error"), t(locale, "server.passwordsDoNotMatch"), "/reset?token="+token)))
return
}
var userID string
err := s.db.QueryRow("SELECT user_id FROM server_email_tokens WHERE token=? AND purpose='reset'", token).Scan(&userID)
if err != nil {
http.Redirect(w, r, "/forgot", http.StatusFound)
return
}
hash, _ := bcrypt.GenerateFromPassword([]byte(newPass), bcrypt.DefaultCost)
s.db.Exec("UPDATE server_users SET password_hash=? WHERE id=?", string(hash), userID)
s.db.Exec("DELETE FROM server_email_tokens WHERE token=?", token)
log.Printf("reset: user %s reset password", userID)
w.Header().Set("Content-Type", "text/html; charset=utf-8")
w.Write([]byte(resetDoneHTML(locale)))
default:
jsonErr(w, 405, "method not allowed")
}
}
func (s *Server) handleUserWebLogin(w http.ResponseWriter, r *http.Request) {
locale := s.locale()
switch r.Method {
case "GET":
w.Header().Set("Content-Type", "text/html; charset=utf-8")
w.Write([]byte(userLoginHTML(locale)))
case "POST":
if err := r.ParseForm(); err != nil {
jsonErr(w, 400, "bad form")
return
}
username := r.FormValue("username")
password := r.FormValue("password")
var userID, hash string
var confirmed, blocked int
err := s.db.QueryRow("SELECT id, password_hash, confirmed, blocked FROM server_users WHERE username=? OR email=?",
username, strings.ToLower(username)).Scan(&userID, &hash, &confirmed, &blocked)
if err != nil || blocked != 0 || confirmed == 0 || bcrypt.CompareHashAndPassword([]byte(hash), []byte(password)) != nil {
w.Header().Set("Content-Type", "text/html; charset=utf-8")
w.WriteHeader(401)
w.Write([]byte(errorPageHTML(locale, "401 Unauthorized", "401 Unauthorized", "/login")))
return
}
tok := s.userTokens.Create(userID)
http.SetCookie(w, &http.Cookie{
Name: "user_session", Value: tok, Path: "/",
HttpOnly: true, SameSite: http.SameSiteLaxMode,
MaxAge: 86400,
})
http.Redirect(w, r, "/dashboard", http.StatusFound)
default:
jsonErr(w, 405, "method not allowed")
}
}
func (s *Server) handleUserDashboard(w http.ResponseWriter, r *http.Request) {
locale := s.locale()
userID, ok := s.requireUserWeb(w, r)
if !ok {
return
}
var username string
s.db.QueryRow("SELECT username FROM server_users WHERE id=?", userID).Scan(&username)
type dev struct {
ID, Name, LastSeen, CreatedAt, ClientVer, RevokedAt string
}
var devices []dev
rows, err := s.db.Query(`
SELECT d.id, d.name, COALESCE(d.last_seen,''), d.created_at,
COALESCE(d.client_version,''), COALESCE(d.revoked_at,'')
FROM server_devices d
JOIN server_user_devices ud ON ud.device_id = d.id
WHERE ud.user_id = ?
ORDER BY d.created_at DESC`, userID)
if err == nil {
defer rows.Close()
for rows.Next() {
var d dev
rows.Scan(&d.ID, &d.Name, &d.LastSeen, &d.CreatedAt, &d.ClientVer, &d.RevokedAt)
devices = append(devices, d)
}
}
w.Header().Set("Content-Type", "text/html; charset=utf-8")
deviceRows := ""
if len(devices) == 0 {
deviceRows = "<tr><td colspan='5' style='color:#666;text-align:center;padding:24px'>" + t(locale, "userDashboard.noDevices") + "</td></tr>"
} else {
for _, d := range devices {
ls := d.LastSeen
if ls == "" {
ls = "—"
}
created := d.CreatedAt
if len(created) > 10 {
created = created[:10]
}
status := "<span style='color:#34d399'>" + t(locale, "userDashboard.active") + "</span>"
revokeBtn := fmt.Sprintf(`<button class="btn btn-danger btn-sm" onclick="revokeDevice('%s')">%s</button>`, d.ID, t(locale, "userDashboard.revoke"))
if d.RevokedAt != "" {
status = "<span style='color:#ff6b6b'>" + t(locale, "userDashboard.revoked") + "</span>"
revokeBtn = ""
}
deviceRows += fmt.Sprintf(`<tr>
<td>%s</td>
<td>%s</td>
<td>%s</td>
<td>%s</td>
<td>%s %s</td>
</tr>`, d.Name, status, created, ls, d.ClientVer, revokeBtn)
}
}
w.Write([]byte(userDashboardHTML(locale, username, deviceRows)))
}
func (s *Server) handleUserWebLogout(w http.ResponseWriter, r *http.Request) {
http.SetCookie(w, &http.Cookie{
Name: "user_session", Value: "", Path: "/",
HttpOnly: true, MaxAge: -1,
})
http.Redirect(w, r, "/login", http.StatusFound)
}
func (s *Server) handleUserDevices(w http.ResponseWriter, r *http.Request) {
userID, ok := s.requireUserWeb(w, r)
if !ok {
return
}
rows, err := s.db.Query(`
SELECT d.id, d.name, COALESCE(d.client_version,''), COALESCE(d.last_seen,''), COALESCE(d.revoked_at,''), d.created_at
FROM server_devices d
JOIN server_user_devices ud ON ud.device_id = d.id
WHERE ud.user_id = ?
ORDER BY d.created_at DESC`, userID)
if err != nil {
jsonErr(w, 500, err.Error())
return
}
defer rows.Close()
type devDTO struct {
ID string `json:"id"`
Name string `json:"name"`
ClientVersion string `json:"client_version"`
LastSeen string `json:"last_seen"`
RevokedAt string `json:"revoked_at"`
CreatedAt string `json:"created_at"`
}
var devices []devDTO
for rows.Next() {
var d devDTO
rows.Scan(&d.ID, &d.Name, &d.ClientVersion, &d.LastSeen, &d.RevokedAt, &d.CreatedAt)
devices = append(devices, d)
}
jsonOK(w, devices)
}

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@ -101,4 +101,9 @@ CREATE INDEX IF NOT EXISTS idx_server_users_username ON server_users(username);
CREATE INDEX IF NOT EXISTS idx_server_users_email ON server_users(email);
CREATE INDEX IF NOT EXISTS idx_server_audit_log_event ON server_audit_log(event_type);
CREATE INDEX IF NOT EXISTS idx_server_audit_log_created ON server_audit_log(created_at);
CREATE TABLE IF NOT EXISTS server_smtp_config (
key TEXT PRIMARY KEY,
value TEXT NOT NULL
);
`

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@ -162,6 +162,10 @@ func (s *Server) SetupRoutes() {
s.routes()
}
func (s *Server) locale() string {
return "ru"
}
func (s *Server) Close() error {
return s.db.Close()
}

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internal/server/smtp.go Normal file
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package server
import (
"crypto/tls"
"fmt"
"log"
"net"
"net/smtp"
"time"
)
func (s *Server) smtpGet(key string) string {
var val string
s.db.QueryRow("SELECT value FROM server_smtp_config WHERE key=?", key).Scan(&val)
return val
}
func (s *Server) smtpSet(key, val string) error {
_, err := s.db.Exec("INSERT OR REPLACE INTO server_smtp_config (key, value) VALUES (?, ?)", key, val)
return err
}
func sel(v, want string) string {
if v == want {
return " selected"
}
return ""
}
func (s *Server) smtpConnect(host, port, user, pass, security string) (*smtp.Client, error) {
addr := net.JoinHostPort(host, port)
switch security {
case "tls":
tlsCfg := &tls.Config{ServerName: host}
conn, err := tls.Dial("tcp", addr, tlsCfg)
if err != nil {
return nil, fmt.Errorf("tls dial: %w", err)
}
cl, err := smtp.NewClient(conn, host)
if err != nil {
conn.Close()
return nil, fmt.Errorf("smtp client: %w", err)
}
return cl, nil
default:
conn, err := net.DialTimeout("tcp", addr, 10*time.Second)
if err != nil {
return nil, fmt.Errorf("connect: %w", err)
}
cl, err := smtp.NewClient(conn, host)
if err != nil {
conn.Close()
return nil, fmt.Errorf("smtp client: %w", err)
}
if security != "none" {
if ok, _ := cl.Extension("STARTTLS"); ok {
tlsCfg := &tls.Config{ServerName: host}
if err := cl.StartTLS(tlsCfg); err != nil {
cl.Close()
return nil, fmt.Errorf("starttls: %w", err)
}
}
}
return cl, nil
}
}
func (s *Server) smtpSendMsg(cl *smtp.Client, user, pass, host, from, to string, msg []byte) error {
if user != "" {
auth := smtp.PlainAuth("", user, pass, host)
if err := cl.Auth(auth); err != nil {
return fmt.Errorf("auth: %w", err)
}
}
if err := cl.Mail(from); err != nil {
return fmt.Errorf("mail from: %w", err)
}
if err := cl.Rcpt(to); err != nil {
return fmt.Errorf("rcpt: %w", err)
}
w, err := cl.Data()
if err != nil {
return fmt.Errorf("data: %w", err)
}
if _, err := w.Write(msg); err != nil {
w.Close()
return fmt.Errorf("write: %w", err)
}
if err := w.Close(); err != nil {
return fmt.Errorf("send: %w", err)
}
return nil
}
func (s *Server) smtpSend(to, subject, body string) error {
host := s.smtpGet("smtp_host")
port := s.smtpGet("smtp_port")
user := s.smtpGet("smtp_user")
pass := s.smtpGet("smtp_pass")
from := s.smtpGet("smtp_from")
security := s.smtpGet("smtp_security")
if host == "" || port == "" || from == "" {
err := fmt.Errorf("SMTP not configured")
log.Printf("smtp: %v (to=%s)", err, to)
return err
}
log.Printf("smtp: sending to %s via %s:%s (security=%s)", to, host, port, security)
msg := []byte("From: " + from + "\r\n" +
"To: " + to + "\r\n" +
"Subject: " + subject + "\r\n" +
"MIME-Version: 1.0\r\n" +
"Content-Type: text/plain; charset=UTF-8\r\n" +
"\r\n" + body + "\r\n")
cl, err := s.smtpConnect(host, port, user, pass, security)
if err != nil {
log.Printf("smtp: connect error: %v", err)
return err
}
defer cl.Close()
if err := s.smtpSendMsg(cl, user, pass, host, from, to, msg); err != nil {
log.Printf("smtp: send error: %v", err)
return err
}
log.Printf("smtp: sent OK to %s", to)
return nil
}
func (s *Server) smtpTest(host, port, user, pass, security, from, to string) error {
if host == "" || port == "" || from == "" {
return fmt.Errorf("SMTP not configured")
}
msg := []byte("From: " + from + "\r\nTo: " + to + "\r\nSubject: Test from Verstak Sync\r\n\r\nThis is a test email from Verstak Sync Server.\r\n")
cl, err := s.smtpConnect(host, port, user, pass, security)
if err != nil {
return err
}
defer cl.Close()
return s.smtpSendMsg(cl, user, pass, host, from, to, msg)
}

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scripts/install.sh Normal file
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@ -0,0 +1,113 @@
#!/bin/sh
#
# install.sh — установка Verstak Sync Server
#
# Использование:
# sudo ./install.sh --port 47732 --user verstak --admin-user admin --admin-pass secret
#
# Флаги:
# --port Порт сервера (по умолчанию: 47732)
# --user Системный пользователь (по умолчанию: verstak)
# --admin-user Логин администратора (обязательный)
# --admin-pass Пароль администратора (обязательный)
# --bin Путь к бинарнику (по умолчанию: ./verstak-sync-server)
#
set -e
# Defaults
PORT="${VERSTAK_PORT:-47732}"
USER="verstak"
ADMIN_USER=""
ADMIN_PASS=""
BIN="./verstak-sync-server"
# Parse flags
while [ $# -gt 0 ]; do
case "$1" in
--port) PORT="$2"; shift 2 ;;
--user) USER="$2"; shift 2 ;;
--admin-user) ADMIN_USER="$2"; shift 2 ;;
--admin-pass) ADMIN_PASS="$2"; shift 2 ;;
--bin) BIN="$2"; shift 2 ;;
*) echo "Unknown: $1"; exit 1 ;;
esac
done
if [ -z "$ADMIN_USER" ] || [ -z "$ADMIN_PASS" ]; then
echo "Usage: $0 --admin-user USER --admin-pass PASS [--port PORT] [--user USER]"
exit 1
fi
if [ "$(id -u)" -ne 0 ]; then
echo "This script must be run as root (sudo)."
exit 1
fi
echo "=== Verstak Sync Server Installation ==="
echo "Port: $PORT"
echo "User: $USER"
echo "Admin: $ADMIN_USER"
echo "Binary: $BIN"
echo ""
# 1. Create system user if not exists.
if ! id -u "$USER" >/dev/null 2>&1; then
echo "Creating user: $USER"
useradd --system --no-create-home --shell /usr/sbin/nologin "$USER"
fi
# 2. Install binary.
INSTALL_DIR="/opt/verstak-sync-server"
if [ ! -f "$BIN" ]; then
echo "Binary not found: $BIN. Build it first: go build -o $BIN ./cmd/server/"
exit 1
fi
echo "Installing binary to $INSTALL_DIR"
mkdir -p "$INSTALL_DIR"
cp "$BIN" "$INSTALL_DIR/verstak-sync-server"
chmod 755 "$INSTALL_DIR/verstak-sync-server"
# 3. Create data directory.
DATA_DIR="/var/lib/verstak-sync-server"
echo "Creating $DATA_DIR"
mkdir -p "$DATA_DIR"
chown "$USER:$USER" "$DATA_DIR"
chmod 750 "$DATA_DIR"
# 4. Set up admin user (first run).
echo "Setting up admin user"
"$INSTALL_DIR/verstak-sync-server" \
--port "$PORT" \
--data "$DATA_DIR" \
--admin-user "$ADMIN_USER" \
--admin-pass "$ADMIN_PASS" &
SERVER_PID=$!
sleep 2
kill "$SERVER_PID" 2>/dev/null || true
wait "$SERVER_PID" 2>/dev/null || true
# 5. Install systemd unit.
echo "Installing systemd unit"
SERVICE_FILE="/etc/systemd/system/verstak-server.service"
cp "$(dirname "$0")/../verstak-server.service" "$SERVICE_FILE"
chmod 644 "$SERVICE_FILE"
# Set port in environment file.
mkdir -p /etc/verstak-server
echo "VERSTAK_PORT=$PORT" > /etc/verstak-server/env
# 6. Enable and start.
echo "Enabling and starting service"
systemctl daemon-reload
systemctl enable verstak-server
systemctl start verstak-server
echo ""
echo "=== Installation complete ==="
echo "Service: verstak-server"
echo "Port: $PORT"
echo "Admin: http://localhost:$PORT/admin/login"
echo ""
echo "Check status: systemctl status verstak-server"
echo "View logs: journalctl -u verstak-server -f"

22
verstak-server.service Normal file
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@ -0,0 +1,22 @@
[Unit]
Description=Verstak Sync Server
After=network.target
[Service]
Type=simple
User=verstak
Group=verstak
WorkingDirectory=/opt/verstak-sync-server
ExecStart=/opt/verstak-sync-server/verstak-sync-server --port ${VERSTAK_PORT:-47732} --data /var/lib/verstak-sync-server
Restart=on-failure
RestartSec=5
AmbientCapabilities=CAP_NET_BIND_SERVICE
NoNewPrivileges=true
ProtectSystem=full
ProtectHome=true
PrivateTmp=true
StateDirectory=verstak-sync-server
RuntimeDirectory=verstak-sync-server
[Install]
WantedBy=multi-user.target