feat(widerruf): Anonymous-Pfad + Token-Prefill für § 356a-Konformität
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Deploy to Dev / deploy (push) Successful in 0s
- widerruf.php zeigt jetzt Formular (Name + Bestellnr + E-Mail) ohne Token-Zwang - Token-Link aus Bestätigungs-Mail bleibt als Convenience, füllt Felder vor - submit_anonymous() in Revocation-Klasse: Lookup via order_number + customer_email - Anonymous-Eintrag wird inline angelegt, falls noch kein Token-basierter Record existiert - Button-Beschriftung 'Vertrag widerrufen' (Gesetzes-Empfehlung) - prefill_from_token() für Vorausfüllung bei Token-Link
This commit is contained in:
Thomas Bartelt
@@ -444,4 +444,183 @@ class Revocation {
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}
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return $out;
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}
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// ============================================================
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// Anonymous-Pfad (§ 356a BGB – Button im Footer, ohne Token)
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// ============================================================
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/**
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* Vorausfüllung des anonymen Formulars aus einem Token-Link.
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* Liefert ['name','order_number','email'] oder false.
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*/
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public function prefill_from_token($token_plain) {
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if (!REVOCATION_ENABLED) {
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$this->error = 'feature_disabled';
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return false;
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}
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$token_plain = trim((string)$token_plain);
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if (strlen($token_plain) !== REVOCATION_TOKEN_BYTES * 2) {
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$this->error = 'invalid_token';
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return false;
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}
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$hash = RevocationHelper::hash_token($token_plain);
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$esc = $this->db->real_escape_string($hash);
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$sql = "SELECT r.customer_email,
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o.order_number,
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o.billing_firstname, o.billing_surname
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FROM revocations r
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JOIN orders o ON o.id = r.order_id
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WHERE r.token_hash = '$esc'
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AND r.status = 'pending'
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LIMIT 1";
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$res = $this->db->query($sql);
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if (!$res || $res->num_rows === 0) {
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$this->error = 'invalid_token';
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return false;
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}
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$row = $res->fetch_object();
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return [
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'name' => trim(($row->billing_firstname ?? '').' '.($row->billing_surname ?? '')),
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'order_number' => $row->order_number,
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'email' => $row->customer_email,
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];
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}
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/**
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* Widerruf ohne Token – Lookup anhand Bestellnr + E-Mail.
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* Wenn noch kein revocation-Record existiert, wird er inline angelegt.
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*/
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public function submit_anonymous($name, $order_number, $email, $reason_id, $reason_text, $ip, $user_agent) {
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if (!REVOCATION_ENABLED) {
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$this->error = 'feature_disabled';
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return false;
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}
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$order_number = trim((string)$order_number);
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$email = trim(strtolower((string)$email));
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if ($order_number === '') {
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$this->error = 'missing_order';
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return false;
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}
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if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
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$this->error = 'invalid_email';
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return false;
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}
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$order = $this->fetch_order_by_number_email($order_number, $email);
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if (!$order) {
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$this->error = 'order_not_found';
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return false;
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}
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$group_id = RevocationHelper::resolve_group_id($this->db, $order->customer_id);
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if (!RevocationHelper::is_b2c($group_id)) {
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$this->error = 'not_eligible';
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return false;
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}
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$expires_at = RevocationHelper::calc_expires_at($order->order_date);
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if (strtotime($expires_at) < time()) {
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$this->error = 'expired';
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return false;
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}
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// Existing Eintrag wiederverwenden, sonst inline anlegen
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$existing = $this->fetch_revocation_by_order((int)$order->id);
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if ($existing) {
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if ($existing->status !== 'pending') {
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$this->error = 'already_submitted';
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return false;
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}
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$revocation_id = (int)$existing->id;
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} else {
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$token_plain = RevocationHelper::generate_token();
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$token_hash = RevocationHelper::hash_token($token_plain);
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$stmt = $this->db->prepare(
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"INSERT INTO revocations
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(order_id, customer_id, customer_email, customer_group_id,
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token_hash, expires_at, status)
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VALUES (?, ?, ?, ?, ?, ?, 'pending')"
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);
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if (!$stmt) {
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$this->error = 'prepare failed: '.$this->db->error;
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return false;
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}
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$customer_id = $order->customer_id ? (int)$order->customer_id : null;
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$order_id = (int)$order->id;
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$stmt->bind_param(
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'iisiss',
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$order_id, $customer_id, $order->customer_email, $group_id,
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$token_hash, $expires_at
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);
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if (!$stmt->execute()) {
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$this->error = 'insert failed: '.$stmt->error;
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$stmt->close();
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return false;
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}
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$revocation_id = (int)$this->db->insert_id;
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$stmt->close();
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}
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$reason_id = ((int)$reason_id > 0) ? (int)$reason_id : null;
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$reason_text = trim((string)$reason_text);
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if (mb_strlen($reason_text) > 2000) {
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$reason_text = mb_substr($reason_text, 0, 2000);
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}
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$ip_anon = RevocationHelper::anonymize_ip($ip);
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$ua = $user_agent ? mb_substr($user_agent, 0, 255) : null;
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$stmt = $this->db->prepare(
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"UPDATE revocations
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SET status = 'submitted',
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submitted_at = NOW(),
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reason_id = ?,
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reason_text = ?,
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ip_anonymized = ?,
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user_agent = ?
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WHERE id = ? AND status = 'pending'"
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);
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if (!$stmt) {
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$this->error = 'prepare failed: '.$this->db->error;
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return false;
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}
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$stmt->bind_param('isssi', $reason_id, $reason_text, $ip_anon, $ua, $revocation_id);
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$ok = $stmt->execute();
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$affected = $stmt->affected_rows;
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$stmt->close();
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if (!$ok || $affected < 1) {
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$this->error = 'update failed';
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return false;
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}
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$fresh = $this->fetch_revocation($revocation_id);
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if ($fresh) {
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$this->send_owner_notification($fresh);
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$this->send_customer_confirmation($fresh);
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}
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return true;
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}
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private function fetch_order_by_number_email($order_number, $email) {
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$on = $this->db->real_escape_string($order_number);
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$em = $this->db->real_escape_string($email);
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$sql = "SELECT id, order_number, order_date, order_total, customer_id,
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customer_email, billing_firstname, billing_surname,
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payment_method
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FROM orders
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WHERE order_number = '$on'
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AND LOWER(customer_email) = '$em'
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LIMIT 1";
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$res = $this->db->query($sql);
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if (!$res || $res->num_rows === 0) return false;
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return $res->fetch_object();
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}
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private function fetch_revocation_by_order($order_id) {
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$order_id = (int)$order_id;
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$res = $this->db->query("SELECT * FROM revocations WHERE order_id = $order_id LIMIT 1");
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if (!$res || $res->num_rows === 0) return false;
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return $res->fetch_object();
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}
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}
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