112 lines
5.5 KiB
PHP
112 lines
5.5 KiB
PHP
<?php
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declare(strict_types=1);
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require_once __DIR__ . '/includes/bootstrap.php';
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pnpaas_session_start();
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$token = trim((string)($_GET['token'] ?? $_POST['token'] ?? ''));
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$csrfToken = pnpaas_csrf_token();
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$error = null;
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$success = null;
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$validToken = false;
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if (preg_match('/^[a-f0-9]{64}$/', $token)) {
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try {
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$check = pnpaas_db()->prepare(
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'SELECT id, user_id FROM password_reset_tokens
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WHERE token_hash = :token_hash AND used_at IS NULL AND expires_at > NOW()
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LIMIT 1'
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);
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$check->execute(['token_hash' => hash('sha256', $token)]);
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$validToken = is_array($check->fetch());
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} catch (Throwable $exception) {
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error_log('PnPaaS password reset validation error: ' . $exception->getMessage());
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$error = 'Der Zurücksetzungslink ist derzeit nicht verfügbar.';
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}
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}
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if ($_SERVER['REQUEST_METHOD'] === 'POST' && $error === null) {
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$password = (string)($_POST['password'] ?? '');
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$passwordConfirmation = (string)($_POST['password_confirmation'] ?? '');
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if (!pnpaas_valid_csrf((string)($_POST['csrf_token'] ?? ''))) {
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$error = 'Die Sitzung ist abgelaufen. Bitte öffnen Sie den Link erneut.';
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} elseif (!$validToken) {
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$error = 'Der Link ist ungültig oder abgelaufen. Bitte fordern Sie einen neuen Link an.';
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} elseif (strlen($password) < 12) {
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$error = 'Das Passwort muss mindestens 12 Zeichen lang sein.';
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} elseif ($password !== $passwordConfirmation) {
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$error = 'Die Passwörter stimmen nicht überein.';
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} else {
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try {
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$db = pnpaas_db();
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$db->beginTransaction();
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$find = $db->prepare(
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'SELECT id, user_id FROM password_reset_tokens
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WHERE token_hash = :token_hash AND used_at IS NULL AND expires_at > NOW()
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FOR UPDATE'
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);
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$find->execute(['token_hash' => hash('sha256', $token)]);
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$reset = $find->fetch();
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if (!is_array($reset)) {
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$db->rollBack();
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$validToken = false;
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$error = 'Der Link ist ungültig oder abgelaufen. Bitte fordern Sie einen neuen Link an.';
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} else {
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$update = $db->prepare('UPDATE users SET password_hash = :password_hash WHERE id = :user_id AND status = :status');
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$update->execute([
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'password_hash' => password_hash($password, PASSWORD_DEFAULT),
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'user_id' => (int)$reset['user_id'],
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'status' => 'active',
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]);
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$used = $db->prepare('UPDATE password_reset_tokens SET used_at = NOW() WHERE user_id = :user_id');
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$used->execute(['user_id' => (int)$reset['user_id']]);
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$db->commit();
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$success = 'Ihr Passwort wurde geändert. Sie können sich jetzt anmelden.';
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$validToken = false;
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}
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} catch (Throwable $exception) {
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if (isset($db) && $db instanceof PDO && $db->inTransaction()) {
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$db->rollBack();
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}
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error_log('PnPaaS password reset update error: ' . $exception->getMessage());
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$error = 'Das Passwort konnte nicht geändert werden. Bitte versuchen Sie es erneut.';
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}
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}
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}
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?>
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<!doctype html>
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<html lang="de">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>PnPaaS – Neues Passwort</title>
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<link rel="preconnect" href="https://fonts.googleapis.com">
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<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
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<link href="https://fonts.googleapis.com/css2?family=Montserrat:wght@500;600&family=Open+Sans:wght@400;600;700&display=swap" rel="stylesheet">
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<link rel="stylesheet" href="assets/style.css">
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</head>
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<body class="auth-page">
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<main class="auth-card" aria-labelledby="reset-title">
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<div class="brand-mark" aria-hidden="true">✦</div>
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<p class="eyebrow">PnPaaS Administration</p>
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<h1 id="reset-title">Neues Passwort</h1>
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<?php if ($error !== null): ?><div class="alert alert-error" role="alert"><?= htmlspecialchars($error, ENT_QUOTES, 'UTF-8') ?></div><?php endif; ?>
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<?php if ($success !== null): ?><div class="alert alert-success" role="status"><?= htmlspecialchars($success, ENT_QUOTES, 'UTF-8') ?></div><p class="form-footer"><a href="index.php">Zur Anmeldung</a></p><?php elseif ($validToken): ?>
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<p class="intro">Vergeben Sie ein neues Passwort für Ihr Konto.</p>
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<form method="post" action="reset-password.php" class="login-form">
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<input type="hidden" name="csrf_token" value="<?= htmlspecialchars($csrfToken, ENT_QUOTES, 'UTF-8') ?>">
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<input type="hidden" name="token" value="<?= htmlspecialchars($token, ENT_QUOTES, 'UTF-8') ?>">
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<label for="password">Neues Passwort</label>
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<input id="password" name="password" type="password" autocomplete="new-password" minlength="12" required>
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<label for="password_confirmation">Passwort wiederholen</label>
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<input id="password_confirmation" name="password_confirmation" type="password" autocomplete="new-password" minlength="12" required>
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<button type="submit">Passwort speichern</button>
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</form>
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<?php elseif ($error === null): ?>
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<div class="alert alert-error" role="alert">Der Link ist ungültig oder abgelaufen. Bitte fordern Sie einen neuen Link an.</div>
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<p class="form-footer"><a href="forgot-password.php">Neuen Link anfordern</a></p>
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<?php endif; ?>
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</main>
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</body>
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</html>
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