$prop) echo "0";
else echo "1";
exit(0);
}
$post_to = $_POST['to'];
if (!assureString($post_to) || strlen($post_to) < 3 || strstr($post_to, '@') === false) {
echo "1";
exit(0);
}
if (isset($_SESSION['demoself']) || isset($_GET['demoself']) || isset($_POST['demoself'])) {
$post_to = $_POST['from'];
}
$sql = "SELECT ID FROM Personen WHERE (TRIM(LOWER(Email)) = ? OR TRIM(LOWER(`Email-Privat`)) = ? OR TRIM(LOWER(`Email-Geschäftlich`)) = ?) AND `wuenscht_keine_Emails` LIMIT 1;";
$post_to_clean = trim(strtolower($post_to));
$stmt = $mysqli->prepare($sql);
$stmt->bind_param('sss', $post_to_clean, $post_to_clean, $post_to_clean);
$stmt->bind_result($no_email);
$stmt->execute();
$stmt->fetch();
$stmt->reset();
if ($no_email > 0) {
echo "3";
exit(0);
}
if (
stristr($_POST['from'], '@upb.de') === false
&& stristr($_POST['from'], '@uni-paderborn.de') === false
&& stristr($_POST['from'], '@uni-paderborn.de') === false
&& stristr($_POST['from'], '@hochschule-rhein-waal.de') === false
&& stristr($_POST['from'], '@hsrw.dein-stip.de') === false
) {
echo "4";
exit(0);
}
$mid = "" . time() . "-" . base_convert(bin2hex(random_bytes(8)), 16, 36) . "@hsrw.dein-stip.de";
$boundary = "sfowl" . md5(uniqid('', true));
$h = "From: " . $_POST['from'] . "\r\n";
$h .= "Sender: " . $_POST['from'] . "\r\n";
$h .= "Reply-To: " . "deutschlandstipendium@hochschule-rhein-waal.de" . "\r\n";
$h .= "Errors-To: " . "deutschlandstipendium@hochschule-rhein-waal.de" . "\r\n";
if (!isset($_SESSION['demoself'])) {
if (strlen($_POST['cc'])> 0) {
$h .= "Cc: " . $_POST['cc'] . "\r\n";
}
if (strlen($_POST['bcc'])> 0) {
$h .= "Bcc: " . $_POST['bcc'] . "\r\n";
}
}
$h .= "Message-ID: <" . $mid . ">\r\n";
$h .= "MIME-Version: 1.0\r\n";
$full = "";
$html = '' . "\r\n" . $_POST['html'];
if (strstr($html, '/si', trim($tags), $tags);
$tags = array_unique($tags[1]);
if(is_array($tags) AND count($tags) > 0) {
if($invert == FALSE) {
return preg_replace('@<(?!(?:'. implode('|', $tags) .')\b)(\w+)\b.*?>.*?@si', '', $text);
} else {
return preg_replace('@<('. implode('|', $tags) .')\b.*?>.*?@si', '', $text);
}
}
elseif($invert == FALSE) {
return preg_replace('@<(\w+)\b.*?>.*?@si', '', $text);
}
return $text;
}
$text = trim(strip_tags(str_replace("
", "\r\n", str_replace("", "\r\n", str_replace("", "\r\n", strip_tags(strip_tags_content($_POST['html'], '