$target .= $input['name'];
}
+ if (file_exists($target)) {
+ throw new Exception("bestandsnaam al aanwezig op $target");
+ }
if (!@move_uploaded_file($input['tmp_name'], $target)) {
throw new Exception("bestand kon niet worden opgeslagen in $target");
}
function messagehtml($input)
{
# convert user textarea post to formatted html
+ global $User;
if (empty($input)) {
return;
}
- $html = htmlspecialchars($input);
- $html = nl2br($html);
+ if ($User->admin and preg_match('/\A<[a-z][^>]*>/', $input)) {
+ return $input; # allow html input as is if privileged
+ }
+ $markup = [
+ "/\r\n?/" => "\n", # unix newlines
+ "/ +\n/" => "<br />", # trailing spaces for hard line break
+ "/\n/" => "</p>\n<p>", # newlines start paragraphs
+ '/\b_(\w+)_\b/' => '<em>$1</em>', # italic
+ '/\b\*(\w+)\*\b/' => '<strong>$1</strong>', # bold
+ ];
+ $html = preg_replace(array_keys($markup), array_values($markup), htmlspecialchars($input));
return "<p>$html</p>";
}