$db = new ThornModDBI();
// Image lookup!
if (isset($_GET['action']) && $_GET['action'] == "imglookup") {
$url = trim($_GET['url']);
// Generate a regex pattern that'll capture the image index
// from the directory name
$pattern = "/^" . preg_quote(THurl, '/') . "images\\/(\\d+)\\/.*\$/i";
$matches = array();
// use this as a preg_match param
echo $pattern;
// Die if we can't parse this properly
if (preg_match($pattern, $url, $matches) == 0) {
THdie("Invalid image URL '" . $url . "' specified.");
}
// $matches[1] should have the captured imgidx
$post_location = $db->getpostfromimgidx($matches[1]);
if ($post_location == null) {
THdie("Post with imgidx " . $matches[1] . " not found.");
}
// If we got this far, then we have a valid result.
$board_folder = $db->getboardname($post_location['board']);
// get the board folder name
// And now we redirect.
if (THuserewrite) {
header("Location: " . THurl . $board_folder . "/thread/" . $post_location['thread_loc'] . "#" . $post_location['post_loc']);
} else {
header("Location: " . THurl . "drydock.php?b=" . $board_folder . "&i=" . $post_location['thread_loc'] . "#" . $post_location['post_loc']);
}
die;
} else {
// Imglookup is the only one that actually uses a redirect, the rest uses the adminlookup template
