207 lines
7.7 KiB
PHP
207 lines
7.7 KiB
PHP
<?php
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header("Content-Type: application/json");
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require_once $_SERVER['DOCUMENT_ROOT'] . '/inc/prerequisites.inc.php';
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function rrmdir($src) {
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$dir = opendir($src);
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while(false !== ( $file = readdir($dir)) ) {
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if (( $file != '.' ) && ( $file != '..' )) {
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$full = $src . '/' . $file;
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if ( is_dir($full) ) {
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rrmdir($full);
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}
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else {
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unlink($full);
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}
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}
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}
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closedir($dir);
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rmdir($src);
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}
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function addAddresses(&$list, $mail, $headerName) {
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$addresses = $mail->getAddresses($headerName);
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foreach ($addresses as $address) {
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if (filter_var($address['address'], FILTER_VALIDATE_EMAIL)) {
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$list[] = array('address' => $address['address'], 'type' => $headerName);
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}
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}
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}
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if (!empty($_GET['hash']) && ctype_alnum($_GET['hash'])) {
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$mailc = quarantine('hash_details', $_GET['hash']);
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if ($mailc === false) {
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echo json_encode(array('error' => 'Message invalid'));
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exit;
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}
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if (strlen($mailc['msg']) > 10485760) {
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echo json_encode(array('error' => 'Message size exceeds 10 MiB.'));
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exit;
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}
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if (!empty($mailc['msg'])) {
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// Init message array
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$data = array();
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// Init parser
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$mail_parser = new PhpMimeMailParser\Parser();
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$html2text = new Html2Text\Html2Text();
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// Load msg to parser
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$mail_parser->setText($mailc['msg']);
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// Get mail recipients
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{
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$recipientsList = array();
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addAddresses($recipientsList, $mail_parser, 'to');
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addAddresses($recipientsList, $mail_parser, 'cc');
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addAddresses($recipientsList, $mail_parser, 'bcc');
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$recipientsList[] = array('address' => $mailc['rcpt'], 'type' => 'smtp');
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$data['recipients'] = $recipientsList;
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}
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// Get from
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$data['header_from'] = $mail_parser->getHeader('from');
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$data['env_from'] = $mailc['sender'];
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// Get rspamd score
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$data['score'] = $mailc['score'];
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// Get rspamd action
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$data['action'] = $mailc['action'];
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// Get rspamd symbols
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$data['symbols'] = json_decode($mailc['symbols']);
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// Get fuzzy hashes
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$data['fuzzy_hashes'] = json_decode($mailc['fuzzy_hashes']);
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$data['subject'] = mb_convert_encoding($mail_parser->getHeader('subject'), "UTF-8", "auto");
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(empty($data['subject'])) ? $data['subject'] = '-' : null;
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echo json_encode($data);
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}
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}
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elseif (!empty($_GET['id']) && ctype_alnum($_GET['id'])) {
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if (!isset($_SESSION['mailcow_cc_role'])) {
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echo json_encode(array('error' => 'Access denied'));
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exit();
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}
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$tmpdir = '/tmp/' . $_GET['id'] . '/';
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$mailc = quarantine('details', $_GET['id']);
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if ($mailc === false) {
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echo json_encode(array('error' => 'Access denied'));
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exit;
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}
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if (strlen($mailc['msg']) > 10485760) {
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echo json_encode(array('error' => 'Message size exceeds 10 MiB.'));
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exit;
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}
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if (!empty($mailc['msg'])) {
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if (isset($_GET['quick_release'])) {
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$hash = hash('sha256', $mailc['id'] . $mailc['qid']);
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header('Location: /qhandler/release/' . $hash);
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exit;
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}
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if (isset($_GET['quick_delete'])) {
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$hash = hash('sha256', $mailc['id'] . $mailc['qid']);
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header('Location: /qhandler/delete/' . $hash);
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exit;
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}
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// Init message array
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$data = array();
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// Init parser
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$mail_parser = new PhpMimeMailParser\Parser();
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$html2text = new Html2Text\Html2Text();
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// Load msg to parser
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$mail_parser->setText($mailc['msg']);
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// Get mail recipients
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{
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$recipientsList = array();
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addAddresses($recipientsList, $mail_parser, 'to');
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addAddresses($recipientsList, $mail_parser, 'cc');
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addAddresses($recipientsList, $mail_parser, 'bcc');
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$recipientsList[] = array('address' => $mailc['rcpt'], 'type' => 'smtp');
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$data['recipients'] = $recipientsList;
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}
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// Get from
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$data['header_from'] = $mail_parser->getHeader('from');
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$data['env_from'] = $mailc['sender'];
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// Get rspamd score
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$data['score'] = $mailc['score'];
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// Get rspamd action
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$data['action'] = $mailc['action'];
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// Get rspamd symbols
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$data['symbols'] = json_decode($mailc['symbols']);
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// Get fuzzy hashes
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$data['fuzzy_hashes'] = json_decode($mailc['fuzzy_hashes']);
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// Get text/plain content
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$data['text_plain'] = $mail_parser->getMessageBody('text');
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// Get html content and convert to text
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$data['text_html'] = $html2text->convert($mail_parser->getMessageBody('html'));
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if (empty($data['text_plain']) && empty($data['text_html'])) {
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// Failed to parse content, try raw
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$text = trim(substr($mailc['msg'], strpos($mailc['msg'], "\r\n\r\n") + 1));
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// Only return html->text
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$data['text_plain'] = 'Parser failed, assuming HTML';
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$data['text_html'] = $html2text->convert($text);
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}
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(empty($data['text_plain'])) ? $data['text_plain'] = '-' : null;
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// Get subject
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$data['subject'] = $mail_parser->getHeader('subject');
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$data['subject'] = mb_convert_encoding($mail_parser->getHeader('subject'), "UTF-8", "auto");
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(empty($data['subject'])) ? $data['subject'] = '-' : null;
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// Get attachments
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if (is_dir($tmpdir)) {
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rrmdir($tmpdir);
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}
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mkdir('/tmp/' . $_GET['id']);
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$mail_parser->saveAttachments($tmpdir, true);
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$atts = $mail_parser->getAttachments(true);
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if (count($atts) > 0) {
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foreach ($atts as $key => $val) {
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$data['attachments'][$key] = array(
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// Index
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// 0 => file name
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// 1 => mime type
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// 2 => file size
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// 3 => vt link by sha256
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$val->getFilename(),
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$val->getContentType(),
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filesize($tmpdir . $val->getFilename()),
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'https://www.virustotal.com/file/' . hash_file('SHA256', $tmpdir . $val->getFilename()) . '/analysis/'
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);
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}
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}
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if (isset($_GET['eml'])) {
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$dl_filename = filter_var($data['subject'], FILTER_SANITIZE_STRING);
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$dl_filename = strlen($dl_filename) > 30 ? substr($dl_filename,0,30) : $dl_filename;
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header('Pragma: public');
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header('Expires: 0');
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header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
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header('Cache-Control: private', false);
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header('Content-Type: message/rfc822');
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header('Content-Disposition: attachment; filename="'. $dl_filename . '.eml";');
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header('Content-Transfer-Encoding: binary');
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header('Content-Length: ' . strlen($mailc['msg']));
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echo $mailc['msg'];
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exit;
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}
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if (isset($_GET['att'])) {
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if ($_SESSION['acl']['quarantine_attachments'] == 0) {
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exit(json_encode('Forbidden'));
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}
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$dl_id = intval($_GET['att']);
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$dl_filename = filter_var($data['attachments'][$dl_id][0], FILTER_SANITIZE_STRING);
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$dl_filename_short = strlen($dl_filename) > 20 ? substr($dl_filename, 0, 20) : $dl_filename;
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$dl_filename_extension = pathinfo($tmpdir . $dl_filename)['extension'];
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$dl_filename_short = preg_replace('/\.' . $dl_filename_extension . '$/', '', $dl_filename_short);
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if (!is_dir($tmpdir . $dl_filename) && file_exists($tmpdir . $dl_filename)) {
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header('Pragma: public');
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header('Expires: 0');
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header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
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header('Cache-Control: private', false);
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header('Content-Type: ' . $data['attachments'][$dl_id][1]);
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header('Content-Disposition: attachment; filename="'. $dl_filename_short . '.' . $dl_filename_extension . '";');
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header('Content-Transfer-Encoding: binary');
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header('Content-Length: ' . $data['attachments'][$dl_id][2]);
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readfile($tmpdir . $dl_filename);
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exit;
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}
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}
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echo json_encode($data);
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}
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}
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?>
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