verstak/cmd/verstak-server/handlers_web_user.go

381 lines
14 KiB
Go

package main
import (
"crypto/rand"
"encoding/hex"
"fmt"
"log"
"net/http"
"strings"
"time"
"verstak/internal/i18n"
"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) {
switch r.Method {
case "GET":
w.Header().Set("Content-Type", "text/html; charset=utf-8")
w.Write([]byte(userRegisterHTML("ru")))
case "POST":
if err := r.ParseForm(); err != nil {
w.Header().Set("Content-Type", "text/html; charset=utf-8")
w.WriteHeader(400)
w.Write([]byte("<html><body><h1>400 Bad request</h1><a href='/register'>Back</a></body></html>"))
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("<html><body><h1>All fields required</h1><a href='/register'>Back</a></body></html>"))
return
}
if err := validatePassword(password); err != "" {
w.Header().Set("Content-Type", "text/html; charset=utf-8")
w.WriteHeader(400)
w.Write([]byte("<html><body><h1>" + err + "</h1><a href='/register'>Back</a></body></html>"))
return
}
hash, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
if err != nil {
w.WriteHeader(500)
w.Write([]byte("<html><body><h1>Internal error</h1><a href='/register'>Back</a></body></html>"))
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("<html><body><h1>Username or email already taken</h1><a href='/register'>Back</a></body></html>"))
} else {
w.WriteHeader(500)
w.Write([]byte("<html><body><h1>" + err.Error() + "</h1><a href='/register'>Back</a></body></html>"))
}
return
}
// Confirmation token.
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)
// Try to send email.
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("Welcome to Verstak Sync!\n\nPlease confirm your email by clicking:\n%s\n\nIf you did not register, ignore this message.", confirmURL)
if err := s.smtpSend(email, "Confirm your Verstak Sync account", 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("ru")
if host == "" {
regMsg = registrationAutoHTML("ru")
}
w.Write([]byte(regMsg))
default:
jsonErr(w, 405, "method not allowed")
}
}
func (s *Server) handleUserWebForgot(w http.ResponseWriter, r *http.Request) {
switch r.Method {
case "GET":
w.Header().Set("Content-Type", "text/html; charset=utf-8")
w.Write([]byte(forgotPasswordHTML("ru")))
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("ru", i18n.T("ru", "common.error"), i18n.T("ru", "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("ru")))
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("Reset your Verstak Sync password:\n\n%s\n\nThis link expires in 1 hour.", resetURL)
if err := s.smtpSend(email, "Verstak Sync password reset", 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("ru")))
default:
jsonErr(w, 405, "method not allowed")
}
}
func (s *Server) handleUserWebReset(w http.ResponseWriter, r *http.Request) {
switch r.Method {
case "GET":
token := r.URL.Query().Get("token")
if token == "" {
http.Redirect(w, r, "/forgot", http.StatusFound)
return
}
// Validate token exists and not expired before showing form.
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("ru"), "{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("ru", i18n.T("ru", "common.error"), i18n.T("ru", "server.allFieldsRequired"), "/forgot")))
return
}
if err := validatePassword(newPass); err != "" {
w.Header().Set("Content-Type", "text/html; charset=utf-8")
w.Write([]byte(errorPageHTML("ru", i18n.T("ru", "common.error"), err, "/reset?token="+token)))
return
}
if newPass != confirm {
w.Header().Set("Content-Type", "text/html; charset=utf-8")
w.Write([]byte(errorPageHTML("ru", i18n.T("ru", "common.error"), i18n.T("ru", "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("ru")))
default:
jsonErr(w, 405, "method not allowed")
}
}
func (s *Server) handleUserWebLogin(w http.ResponseWriter, r *http.Request) {
switch r.Method {
case "GET":
w.Header().Set("Content-Type", "text/html; charset=utf-8")
w.Write([]byte(userLoginHTML("ru")))
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("<html><body><h1>401 Unauthorized</h1><a href='/login'>Try again</a></body></html>"))
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) {
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)
// Get devices with status info.
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'>Нет подключённых устройств.<br>Подключите устройство из desktop-клиента Verstak.</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'>Активно</span>"
revokeBtn := fmt.Sprintf(`<button class="btn btn-danger btn-sm" onclick="revokeDevice('%s')">Отозвать</button>`, d.ID)
if d.RevokedAt != "" {
status = "<span style='color:#ff6b6b'>Отозвано</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)
}
}
html := fmt.Sprintf(`<!DOCTYPE html>
<html lang="ru">
<head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1">
<title>Verstak Sync — %s</title>
<style>
body{font-family:sans-serif;background:#13131f;color:#e4e4ef;padding:24px;max-width:800px;margin:0 auto}
h1{border-bottom:1px solid #2a2a3c;padding-bottom:12px}
h2{margin-top:24px;font-size:16px}
table{width:100%%;border-collapse:collapse;margin-top:8px}
th,td{text-align:left;padding:8px 12px;border-bottom:1px solid #2a2a3c}
th{font-size:12px;color:#888;text-transform:uppercase}
.btn{font-family:inherit;font-size:12px;padding:6px 12px;border-radius:6px;border:1px solid #2a2a3c;background:#1a1a28;color:#ccc;cursor:pointer;display:inline-flex;align-items:center;gap:4px}
.btn:hover{background:#222233}
.btn-primary{background:#6366f1;border-color:#6366f1;color:#fff}
.btn-primary:hover{background:#4f46e5}
.btn-danger{color:#ff6b6b;border-color:#4a2222}
.btn-danger:hover{background:#3a2222}
.btn-sm{padding:2px 8px;font-size:11px}
.top{display:flex;justify-content:space-between;align-items:center}
a{color:#6366f1}
</style>
</head><body>
<div class="top">
<h1>Verstak Sync</h1>
<span>%s · <a href="/logout">Выйти</a></span>
</div>
<h2>Устройства</h2>
<table><tr><th>Устройство</th><th>Статус</th><th>Подключено</th><th>Активность</th><th>Версия</th></tr>%s</table>
<div style="margin-top:24px;padding:16px;background:#1a1a28;border:1px solid #2a2a3c;border-radius:8px">
<h2 style="margin-top:0">Подключить новое устройство</h2>
<p style="font-size:13px;color:#888">Откройте desktop-клиент Verstak, перейдите в настройки синхронизации и введите URL сервера, логин и пароль.</p>
</div>
<script>
function revokeDevice(id){
if(!confirm('Отозвать устройство? Оно перестанет синхронизироваться.'))return
var pw=prompt('Введите ваш пароль для подтверждения:')
if(!pw)return
fetch('/api/client/revoke-device',{method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify({device_id:id,password:pw})}).then(function(r){return r.json()}).then(function(d){
if(d.status==='revoked'){location.reload()}else{alert(d.error||'error')}
})
}
</script>
</body></html>`, username, username, deviceRows)
w.Write([]byte(html))
}
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)
}