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<?php
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/**
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* includes/imap_spam.php
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*
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* Markiert per E-Mail eingegangene Tickets als Spam (und macht das rückgängig) –
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* verschiebt dabei die Original-E-Mail im zugehörigen IMAP-Postfach in den
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* konfigurierten Spam-/Junk-Ordner bzw. bei "Rückgängig" wieder zurück.
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*
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* set_ticket_spam() ist der gemeinsame Einstiegspunkt für Web (staff/ticket_view.php)
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* und die mobile App (api/staff/v1/ticket_spam.php) – beide rufen dieselbe Funktion auf,
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* damit sich das Verhalten nie auseinanderentwickelt.
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*/
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function imap_connect_account(array $account, string $folder): mixed
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{
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if (!function_exists('imap_open')) return false;
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$sslFlag = match ($account['encryption']) {
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'ssl' => '/imap/ssl',
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'tls' => '/imap/tls',
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default => '/imap/notls',
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};
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$mailbox = '{' . $account['host'] . ':' . $account['port'] . $sslFlag . '}' . $folder;
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return @imap_open($mailbox, $account['username'], decrypt_secret($account['password_enc']), 0, 1);
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}
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function imap_normalize_message_id(?string $value): string
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{
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return trim(strtolower((string) $value), " \t\r\n<>");
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}
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/**
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* Verschiebt EINE bereits als Ticket importierte Mail in einen Ziel-Ordner
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* (Spam beim Markieren, ursprünglicher Posteingang beim Rückgängigmachen).
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* Aktualisiert bei Erfolg current_folder in ticket_email_sources, damit
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* nachfolgende Aufrufe (erneutes Markieren, Rückgängig machen) wissen, wo die
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* Mail gerade tatsächlich liegt.
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*/
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function move_ticket_email_source(PDO $pdo, array $source, array $account, string $targetFolder): array
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{
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if (!function_exists('imap_open')) {
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return ['ok' => false, 'message' => 'PHP-IMAP ist nicht installiert.'];
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}
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$sourceFolder = trim((string) ($source['current_folder'] ?? ''));
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$targetFolder = trim($targetFolder);
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if ($sourceFolder === '' || $targetFolder === '') {
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return ['ok' => false, 'message' => 'IMAP-Quell- oder Zielordner fehlt.'];
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}
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if (strcasecmp($sourceFolder, $targetFolder) === 0) {
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return ['ok' => true, 'message' => 'Die E-Mail befindet sich bereits in „' . $targetFolder . '“.'];
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}
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$mbox = imap_connect_account($account, $sourceFolder);
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if (!$mbox) {
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return ['ok' => false, 'message' => 'IMAP-Quellordner konnte nicht geöffnet werden: ' . (imap_last_error() ?: 'unbekannter Fehler')];
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}
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$emailNum = null;
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$uid = (int) ($source['message_uid'] ?? 0);
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if ($uid > 0) {
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$candidate = @imap_msgno($mbox, $uid);
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if ($candidate > 0) $emailNum = $candidate;
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}
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// Nach einem vorherigen Verschieben kann sich die UID geändert haben. Dann über Message-ID suchen.
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if (!$emailNum && !empty($source['message_id'])) {
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$targetId = imap_normalize_message_id($source['message_id']);
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$hits = @imap_search($mbox, 'ALL');
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if ($hits) {
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foreach ($hits as $num) {
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$h = @imap_headerinfo($mbox, $num);
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$mid = imap_normalize_message_id($h->message_id ?? '');
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if ($mid !== '' && $mid === $targetId) {
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$emailNum = (int) $num;
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break;
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}
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}
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}
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}
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if (!$emailNum) {
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imap_close($mbox);
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return ['ok' => false, 'message' => 'Original-E-Mail wurde im IMAP-Ordner nicht gefunden.'];
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}
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if (!@imap_mail_move($mbox, (string) $emailNum, $targetFolder)) {
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$err = imap_last_error() ?: 'unbekannter IMAP-Fehler';
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imap_close($mbox);
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return ['ok' => false, 'message' => 'Verschieben nach „' . $targetFolder . '“ fehlgeschlagen: ' . $err];
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}
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@imap_expunge($mbox);
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imap_close($mbox);
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if (!empty($source['id'])) {
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$pdo->prepare('UPDATE ticket_email_sources SET current_folder = ? WHERE id = ?')
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->execute([$targetFolder, (int) $source['id']]);
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}
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return ['ok' => true, 'message' => 'E-Mail nach „' . $targetFolder . '“ verschoben.'];
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}
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/**
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* Markiert ein E-Mail-Ticket als Spam, oder macht das (mit $restore = true)
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* wieder rückgängig. Gemeinsam genutzt von Web und App.
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*
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* @return array{error: ?string, moved: int, already: int, failed: string[]}
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*/
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function set_ticket_spam(PDO $pdo, array $ticket, int $staffId, bool $restore = false): array
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{
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if (($ticket['source'] ?? '') !== 'email') {
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return ['error' => 'Nur per E-Mail eingegangene Tickets können als Spam markiert werden.', 'moved' => 0, 'already' => 0, 'failed' => []];
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}
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if ($restore && empty($ticket['is_spam'])) {
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return ['error' => 'Dieses Ticket ist nicht als Spam markiert.', 'moved' => 0, 'already' => 0, 'failed' => []];
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}
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if (!$restore && !empty($ticket['is_spam'])) {
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return ['error' => 'Dieses Ticket ist bereits als Spam markiert.', 'moved' => 0, 'already' => 0, 'failed' => []];
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}
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$srcStmt = $pdo->prepare(
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'SELECT tes.*, ia.label, ia.spam_folder, ia.folder AS inbox_folder, ia.host, ia.port, ia.encryption, ia.username, ia.password_enc
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FROM ticket_email_sources tes
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JOIN imap_accounts ia ON ia.id = tes.imap_account_id
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WHERE tes.ticket_id = ? ORDER BY tes.id'
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);
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$srcStmt->execute([(int) $ticket['id']]);
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$sources = $srcStmt->fetchAll();
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$moved = 0;
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$already = 0;
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$failed = [];
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foreach ($sources as $source) {
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$targetFolder = $restore
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? ($source['inbox_folder'] ?: 'INBOX')
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: ($source['spam_folder'] ?: 'Junk');
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$result = move_ticket_email_source($pdo, $source, $source, $targetFolder);
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if ($result['ok']) {
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if (str_contains($result['message'], 'befindet sich bereits')) {
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$already++;
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} else {
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$moved++;
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}
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} else {
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$failed[] = ($source['label'] ?: 'Postfach') . ': ' . $result['message'];
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}
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}
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$now = db_now();
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if ($restore) {
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$pdo->prepare('UPDATE tickets SET is_spam = 0, updated_at = ? WHERE id = ?')->execute([$now, $ticket['id']]);
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log_activity($pdo, $ticket['id'], $staffId, 'Spam-Markierung aufgehoben');
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} else {
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$pdo->prepare(
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"UPDATE tickets SET is_spam=1, status='closed', closed_at=COALESCE(closed_at, ?), updated_at=?, locked_by=NULL, locked_at=NULL WHERE id=?"
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)->execute([$now, $now, $ticket['id']]);
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finalize_work_session($pdo, (int) $ticket['id'], $staffId);
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apply_tag_to_ticket($pdo, (int) $ticket['id'], 'Spam');
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log_activity($pdo, $ticket['id'], $staffId, 'Ticket als Spam markiert');
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}
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return ['error' => null, 'moved' => $moved, 'already' => $already, 'failed' => $failed];
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}
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