Software
v0.0..1
This commit is contained in:
Thomas
395
software/v0.0.1/web/settings.php
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395
software/v0.0.1/web/settings.php
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@@ -0,0 +1,395 @@
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<?php
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require_once __DIR__ . '/guard.php';
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$me = require_login(); // frigiver sessionlåsen
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require_once __DIR__ . '/db.php';
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function is_admin(array $me): bool { return isset($me['role']) && $me['role'] === 'admin'; }
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function is_mod(array $me): bool { return isset($me['role']) && $me['role'] === 'mod'; }
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$settingsFile = dirname(__DIR__) . '/data/settings.json';
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$settings = file_exists($settingsFile) ? (json_decode(file_get_contents($settingsFile), true) ?: []) : ['watchdog'=>true,'timeout'=>120];
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$db = db();
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$msg_settings = '';
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$msg_self = '';
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$msg_admin = '';
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$err_self = '';
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$err_admin = '';
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/** Helper: hent bruger efter id */
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function fetch_user(PDO $db, int $id): ?array {
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$st = $db->prepare('SELECT * FROM users WHERE id = ? LIMIT 1');
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$st->execute([$id]);
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$u = $st->fetch(PDO::FETCH_ASSOC);
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return $u ?: null;
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}
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/** Helper: antal admins (bruges til at undgå at fjerne sidste admin) */
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function count_admins(PDO $db): int {
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$st = $db->query("SELECT COUNT(*) FROM users WHERE role = 'admin'");
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return (int)$st->fetchColumn();
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}
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/* ============================================================
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1) System-indstillinger (watchdog / timeout)
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============================================================ */
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if ($_SERVER['REQUEST_METHOD'] === 'POST' && ($_POST['__action'] ?? '') === 'save_settings') {
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$settings['watchdog'] = isset($_POST['watchdog']);
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$settings['timeout'] = max(30, (int)($_POST['timeout'] ?? 120));
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file_put_contents($settingsFile, json_encode($settings, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE));
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$msg_settings = 'Indstillinger gemt.';
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}
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/* ============================================================
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2) Egen profil – alle roller (user/mod/admin)
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- Skift brugernavn
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- Skift password (kræver nuværende)
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============================================================ */
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if ($_SERVER['REQUEST_METHOD'] === 'POST' && ($_POST['__action'] ?? '') === 'self_update') {
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$newUser = trim($_POST['self_username'] ?? '');
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$curPass = $_POST['self_current'] ?? '';
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$new1 = $_POST['self_new1'] ?? '';
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$new2 = $_POST['self_new2'] ?? '';
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// Valider brugernavn hvis ændres
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if ($newUser === '') {
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$err_self = 'Brugernavn må ikke være tomt.';
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} elseif (!preg_match('/^[A-Za-z0-9_][A-Za-z0-9_.-]{2,31}$/', $newUser)) {
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$err_self = 'Ugyldigt brugernavn (tilladte tegn: A-Z, 0-9, _, ., - og min. længde 3).';
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} else {
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// Hent nuværende bruger
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$user = fetch_user($db, (int)$me['id']);
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if (!$user) {
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$err_self = 'Bruger ikke fundet.';
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} else {
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// Ændr brugernavn hvis ændret
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if ($user['username'] !== $newUser) {
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try {
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$upd = $db->prepare('UPDATE users SET username = ? WHERE id = ?');
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$upd->execute([$newUser, (int)$me['id']]);
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// Opdater sessionens brugernavn
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if (session_status() !== PHP_SESSION_ACTIVE) session_start();
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if (isset($_SESSION['user'])) {
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$_SESSION['user']['username'] = $newUser;
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}
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session_write_close();
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$msg_self .= ' Brugernavn opdateret.';
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} catch (Throwable $e) {
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if (strpos($e->getMessage(), 'UNIQUE') !== false) {
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$err_self = 'Brugernavn findes allerede.';
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} else {
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$err_self = 'Fejl (brugernavn): ' . $e->getMessage();
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}
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}
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}
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// Skift password hvis felterne er udfyldt
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$wantsPasswordChange = ($curPass !== '' || $new1 !== '' || $new2 !== '');
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if (!$err_self && $wantsPasswordChange) {
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if ($curPass === '' || $new1 === '' || $new2 === '') {
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$err_self = 'Udfyld alle password-felter.';
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} elseif ($new1 !== $new2) {
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$err_self = 'De nye adgangskoder matcher ikke.';
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} elseif (strlen($new1) < 6) {
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$err_self = 'Vælg en adgangskode på mindst 6 tegn.';
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} else {
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// Verificer nuværende password (understøt både 'password' og legacy 'password_hash')
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$validCurrent = false;
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if (!empty($user['password']) && password_verify($curPass, $user['password'])) {
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$validCurrent = true;
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} elseif (!empty($user['password_hash'])) {
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$ph = $user['password_hash'];
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if (strpos($ph, '$') !== false) {
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[$salt, $hash] = explode('$', $ph, 2);
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$validCurrent = (hash('sha256', $salt . $curPass) === $hash);
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} else {
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$validCurrent = (hash('sha256', $curPass) === $ph);
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}
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}
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if (!$validCurrent) {
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$err_self = 'Nuværende adgangskode er forkert.';
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} else {
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$newHash = password_hash($new1, PASSWORD_DEFAULT);
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$upd = $db->prepare('UPDATE users SET password = ?, password_hash = NULL WHERE id = ?');
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$upd->execute([$newHash, (int)$me['id']]);
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$msg_self .= ' Adgangskode opdateret.';
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}
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}
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}
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}
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}
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}
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/* ============================================================
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3) Admin-only: Opret, Rediger, Slet bruger
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- Opret: username + role + password
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- Rediger: username, role, (valgfrit) reset password
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- Slet: ikke sig selv, og efterlad altid mindst 1 admin
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============================================================ */
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if (is_admin($me)) {
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$adminAction = $_POST['__action'] ?? '';
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// Opret bruger
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if ($_SERVER['REQUEST_METHOD'] === 'POST' && $adminAction === 'create_user') {
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$u = trim($_POST['new_username'] ?? '');
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$p1 = $_POST['new_password1'] ?? '';
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$p2 = $_POST['new_password2'] ?? '';
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$role = $_POST['new_role'] ?? 'user';
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if (!in_array($role, ['admin', 'mod', 'user'], true)) $role = 'user';
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if ($u === '' || $p1 === '' || $p2 === '') {
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$err_admin = 'Udfyld alle felter.';
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} elseif (!preg_match('/^[A-Za-z0-9_][A-Za-z0-9_.-]{2,31}$/', $u)) {
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$err_admin = 'Ugyldigt brugernavn.';
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} elseif ($p1 !== $p2) {
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$err_admin = 'Adgangskoder matcher ikke.';
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} elseif (strlen($p1) < 6) {
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$err_admin = 'Adgangskode skal være mindst 6 tegn.';
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} else {
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try {
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$hash = password_hash($p1, PASSWORD_DEFAULT);
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$st = $db->prepare('INSERT INTO users(username, password, role) VALUES(?,?,?)');
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$st->execute([$u, $hash, $role]);
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$msg_admin = "Bruger @$u oprettet.";
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} catch (Throwable $e) {
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if (strpos($e->getMessage(), 'UNIQUE') !== false) {
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$err_admin = 'Brugernavn findes allerede.';
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} else {
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$err_admin = 'Fejl: ' . $e->getMessage();
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}
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}
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}
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}
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// Redigér bruger
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if ($_SERVER['REQUEST_METHOD'] === 'POST' && $adminAction === 'update_user') {
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$id = (int)($_POST['edit_id'] ?? 0);
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$u = trim($_POST['edit_username'] ?? '');
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$role = $_POST['edit_role'] ?? 'user';
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$p1 = $_POST['edit_password1'] ?? '';
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$p2 = $_POST['edit_password2'] ?? '';
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if ($id <= 0) {
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$err_admin = 'Ugyldigt bruger-ID.';
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} else {
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$user = fetch_user($db, $id);
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if (!$user) {
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$err_admin = 'Bruger findes ikke.';
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} else {
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if (!in_array($role, ['admin', 'mod', 'user'], true)) $role = 'user';
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// Forhindre at man fjerner sidste admin-rolle
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$isChangingRole = ($user['role'] !== $role);
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if ($isChangingRole && $user['role'] === 'admin') {
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if (count_admins($db) <= 1) {
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$err_admin = 'Du kan ikke fjerne rollen fra den sidste admin.';
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}
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}
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if (!$err_admin) {
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// Opdatér brugernavn + rolle
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if ($u === '' || !preg_match('/^[A-Za-z0-9_][A-Za-z0-9_.-]{2,31}$/', $u)) {
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$err_admin = 'Ugyldigt brugernavn.';
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} else {
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try {
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$upd = $db->prepare('UPDATE users SET username = ?, role = ? WHERE id = ?');
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$upd->execute([$u, $role, $id]);
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// Opdatér password hvis udfyldt
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if ($p1 !== '' || $p2 !== '') {
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if ($p1 !== $p2) {
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$err_admin = 'Nye adgangskoder matcher ikke.';
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} elseif (strlen($p1) < 6) {
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$err_admin = 'Adgangskode skal være mindst 6 tegn.';
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} else {
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$hash = password_hash($p1, PASSWORD_DEFAULT);
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$db->prepare('UPDATE users SET password = ?, password_hash = NULL WHERE id = ?')
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->execute([$hash, $id]);
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$msg_admin .= ' Password opdateret for @' . htmlspecialchars($u) . '.';
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}
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}
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if (!$err_admin) {
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$msg_admin = ($msg_admin ?: 'Bruger opdateret.');
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}
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} catch (Throwable $e) {
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if (strpos($e->getMessage(), 'UNIQUE') !== false) {
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$err_admin = 'Brugernavn findes allerede.';
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} else {
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$err_admin = 'Fejl: ' . $e->getMessage();
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}
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}
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}
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}
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}
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}
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}
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// Slet bruger
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if ($_SERVER['REQUEST_METHOD'] === 'POST' && $adminAction === 'delete_user') {
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$id = (int)($_POST['del_id'] ?? 0);
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if ($id <= 0) {
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$err_admin = 'Ugyldigt bruger-ID.';
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} elseif ($id === (int)$me['id']) {
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$err_admin = 'Du kan ikke slette dig selv.';
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} else {
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$user = fetch_user($db, $id);
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if (!$user) {
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$err_admin = 'Bruger findes ikke.';
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} else {
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// Undgå at slette sidste admin
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if ($user['role'] === 'admin' && count_admins($db) <= 1) {
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$err_admin = 'Du kan ikke slette den sidste admin.';
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} else {
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$db->prepare('DELETE FROM users WHERE id = ?')->execute([$id]);
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$msg_admin = 'Bruger @' . htmlspecialchars($user['username']) . ' slettet.';
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}
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}
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}
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}
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}
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// Hent liste over brugere (til visning for admin)
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$users = [];
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if (is_admin($me)) {
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$q = $db->query('SELECT id, username, role FROM users ORDER BY username COLLATE NOCASE ASC');
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$users = $q->fetchAll(PDO::FETCH_ASSOC);
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}
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?>
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<!DOCTYPE html>
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<html lang="da">
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<head>
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<meta charset="utf-8">
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<title>Indstillinger</title>
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<link rel="stylesheet" href="style.css">
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<script>
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function confirmDelete(u){
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return confirm("Slet bruger @" + u + "? Dette kan ikke fortrydes.");
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}
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</script>
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</head>
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<body>
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<div class="wrap">
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<!-- Systemindstillinger -->
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<div class="card">
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<h2>⚙️ Indstillinger</h2>
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<p><a class="btn" href="index.php">← Tilbage</a></p>
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<?php if ($msg_settings): ?><p class="notice"><?php echo htmlspecialchars($msg_settings); ?></p><?php endif; ?>
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<form method="post" class="small" style="margin-bottom:1rem">
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<input type="hidden" name="__action" value="save_settings">
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<label>
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<input type="checkbox" name="watchdog" <?php echo !empty($settings['watchdog']) ? 'checked' : ''; ?>>
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Aktivér watchdog (genopretter forbindelse ved inaktivitet)
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</label>
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<br>
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<label>Timeout (sekunder)
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<input type="number" name="timeout" min="30" value="<?php echo (int)($settings['timeout'] ?? 120); ?>">
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</label>
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<br><br>
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<button class="btn" type="submit">Gem indstillinger</button>
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</form>
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</div>
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<!-- Egen profil -->
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<div class="card">
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<h3>👤 Min profil</h3>
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<?php if ($msg_self): ?><p class="notice"><?php echo htmlspecialchars($msg_self); ?></p><?php endif; ?>
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<?php if ($err_self): ?><p class="error"><?php echo htmlspecialchars($err_self); ?></p><?php endif; ?>
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<form method="post">
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<input type="hidden" name="__action" value="self_update">
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<label>Brugernavn
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<input type="text" name="self_username" value="<?php echo htmlspecialchars($me['username']); ?>" required>
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</label><br>
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<label>Nuværende adgangskode
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<input type="password" name="self_current" placeholder="Udfyld for at skifte password">
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</label><br>
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<label>Ny adgangskode
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<input type="password" name="self_new1" placeholder="Min. 6 tegn">
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</label><br>
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<label>Gentag ny adgangskode
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<input type="password" name="self_new2">
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</label><br>
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<button class="btn" type="submit">Opdater min profil</button>
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</form>
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<p class="small">Rolle: <strong><?php echo htmlspecialchars($me['role'] ?? 'user'); ?></strong></p>
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</div>
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<?php if (is_admin($me)): ?>
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<!-- Admin: Opret / Redigér / Slet -->
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<div class="card">
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<h3>🛠️ Brugerstyring (Admin)</h3>
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<?php if ($msg_admin): ?><p class="notice"><?php echo $msg_admin; ?></p><?php endif; ?>
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<?php if ($err_admin): ?><p class="error"><?php echo $err_admin; ?></p><?php endif; ?>
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<!-- Opret ny bruger -->
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<form method="post" style="margin-bottom:1rem">
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<input type="hidden" name="__action" value="create_user">
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<h4>Opret ny bruger</h4>
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<label>Brugernavn
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<input type="text" name="new_username" placeholder="fx mod_jens" required>
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</label><br>
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<label>Adgangskode
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<input type="password" name="new_password1" required>
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</label><br>
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<label>Gentag adgangskode
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<input type="password" name="new_password2" required>
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</label><br>
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<label>Rolle
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<select name="new_role">
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<option value="user">User</option>
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<option value="mod">Mod</option>
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<option value="admin">Admin</option>
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</select>
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</label><br>
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<button class="btn" type="submit">Opret bruger</button>
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</form>
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<!-- Liste og redigér/slet eksisterende brugere -->
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<h4>Eksisterende brugere</h4>
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<table>
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<tr><th>ID</th><th>Brugernavn</th><th>Rolle</th><th>Nyt password (valgfrit)</th><th>Handling</th></tr>
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<?php foreach ($users as $u): ?>
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<tr>
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<form method="post">
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<input type="hidden" name="__action" value="update_user">
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<input type="hidden" name="edit_id" value="<?php echo (int)$u['id']; ?>">
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<td><?php echo (int)$u['id']; ?></td>
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<td><input name="edit_username" value="<?php echo htmlspecialchars($u['username']); ?>" required></td>
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<td>
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<select name="edit_role">
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<option value="user" <?php echo ($u['role']==='user'?'selected':''); ?>>User</option>
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<option value="mod" <?php echo ($u['role']==='mod'?'selected':''); ?>>Mod</option>
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<option value="admin" <?php echo ($u['role']==='admin'?'selected':''); ?>>Admin</option>
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</select>
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</td>
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<td>
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<input type="password" name="edit_password1" placeholder="nyt password">
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<br>
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<input type="password" name="edit_password2" placeholder="gentag">
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</td>
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<td>
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<button class="btn" type="submit">Gem</button>
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</form>
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<form method="post" style="display:inline" onsubmit="return confirmDelete('<?php echo htmlspecialchars($u['username']); ?>')">
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<input type="hidden" name="__action" value="delete_user">
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<input type="hidden" name="del_id" value="<?php echo (int)$u['id']; ?>">
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<button class="btn" type="submit">Slet</button>
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</form>
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</td>
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</tr>
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<?php endforeach; ?>
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</table>
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<p class="small">Begrænsninger: Du kan ikke slette dig selv, og systemet forhindrer at stå uden en eneste admin.</p>
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</div>
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<?php endif; ?>
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</div>
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</body>
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</html>
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