function wbz404_redirectCanonical($redirect, $request)
{
if (is_single() || is_page()) {
if (!is_feed() && !is_trackback() && !is_preview()) {
$options = wbz404_getOptions();
$urlRequest = $_SERVER['REQUEST_URI'];
$urlParts = parse_url($urlRequest);
$requestedURL = $urlParts['path'];
$requestedURL .= wbz404_SortQuery($urlParts);
#//Get URL data if it's already in our database
$data = wbz404_loadRedirectData($requestedURL);
if ($data['id'] != '0') {
wbz404_ProcessRedirect($data);
} else {
if ($options['auto_redirects'] == '1' && $options['force_permalinks'] == '1') {
$theID = get_the_ID();
$permalink = wbz404_permalinkInfo($theID . "|POST", 0);
$urlParts = parse_url($permalink['link']);
$perma_link = $urlParts['path'];
$paged = get_query_var('page') ? get_query_var('page') : FALSE;
if (!$paged === FALSE) {
if ($urlParts[query] == "") {
if (substr($perma_link, -1) == "/") {
$perma_link .= $paged . "/";
} else {
$perma_link .= "/" . $paged;
}
} else {
$urlParts['query'] .= "&page=" . $paged;
}
}
$perma_link .= wbz404_SortQuery($urlParts);
if ($requestedURL != $perma_link) {
$redirect_id = wbz404_setupRedirect($requestedURL, WBZ404_AUTO, WBZ404_POST, $theID, $options['default_redirect'], 0);
wbz404_logRedirectHit($redirect_id, $perma_link);
wp_redirect($perma_link, $options['default_redirect']);
exit;
}
}
}
}
}
if (is_404()) {
return false;
}
return $redirect;
}
function wbz404_addAdminRedirect()
{
global $wpdb;
$messasge = "";
if ($_POST['url'] != "") {
if (substr($_POST['url'], 0, 1) != "/") {
$message .= wbz404_trans('Error: URL must start with /') . "<br>";
}
} else {
$message .= wbz404_trans("Error: URL is a required field.") . "<br>";
}
if ($_POST['dest'] == "EXTERNAL") {
if ($_POST['external'] == "") {
$message .= wbz404_trans('Error: You selected external URL but did not enter a URL.') . "<br>";
} else {
if (substr($_POST['external'], 0, 7) != "http://" && substr($_POST['external'], 0, 8) != "https://" && substr($_POST['external'], 0, 6) != "ftp://") {
$message .= wbz404_trans('Error: External URL\'s must start with http://, https://, or ftp://') . "<br>";
}
}
}
if ($message == "") {
$type = "";
$dest = "";
if ($_POST['dest'] == "EXTERNAL") {
$type = WBZ404_EXTERNAL;
$dest = $wpdb->escape($_POST['external']);
} else {
$info = explode("|", $_POST['dest']);
if (count($info) == 2) {
$dest = $info[0];
if ($info[1] == "POST") {
$type = WBZ404_POST;
} else {
if ($info[1] == "CAT") {
$type = WBZ404_CAT;
} else {
if ($info[1] == "TAG") {
$type = WBZ404_TAG;
}
}
}
}
}
if ($type != "" && $dest != "") {
wbz404_setupRedirect($wpdb->escape($_POST['url']), WBZ404_MANUAL, $type, $dest, $wpdb->escape($_POST['code']), 0);
$_POST['url'] = "";
$_POST['code'] = "";
$_POST['external'] = "";
$_POST['dest'] = "";
} else {
$message .= wbz404_trans('Error: Data not formatted properly.') . "<br>";
}
}
return $message;
}
function wbz404_process404()
{
$options = wbz404_getOptions();
$urlRequest = $_SERVER['REQUEST_URI'];
$urlParts = parse_url($urlRequest);
$requestedURL = $urlParts['path'];
$queryArgs = wbz404_SortQuery($urlParts);
/* The only case where we want the query string to be considered part of the URL we are processing
* is when it contains 'page_id'. In all other cases, we want to strip the query args -- they are typically
* the utm labels in those other situations, which we want to ignore.
*/
if (strpos($queryArgs, 'page_id') !== false) {
$requestedURL .= $queryArgs;
}
//Get URL data if it's already in our database
$redirect = wbz404_loadRedirectData($requestedURL);
if (is_404() && $requestedURL != "") {
if ($redirect['id'] != '0') {
//A redirect record exists.
wbz404_ProcessRedirect($redirect);
} else {
//No redirect record.
$found = 0;
if ($options['auto_redirects'] == '1') {
//Site owner wants automatic redirects
$permalinks = wbz404_rankPermalinks($requestedURL, $options['auto_cats'], $options['auto_tags']);
$minScore = $options['auto_score'];
foreach ($permalinks as $k => $v) {
$permalink = wbz404_permalinkInfo($k, $v);
if ($permalink['score'] >= $minScore) {
$found = 1;
break;
} else {
//Score not high enough
break;
}
}
if ($found == 1) {
//We found a permalink that will work!
$type = 0;
if ($permalink['type'] == "POST") {
$type = WBZ404_POST;
} else {
if ($permalink['type'] == "CAT") {
$type = WBZ404_CAT;
} else {
if ($permalink['type'] == "TAG") {
$type = WBZ404_TAG;
}
}
}
if ($type != 0) {
$redirect_id = wbz404_setupRedirect($requestedURL, WBZ404_AUTO, $type, $permalink['id'], $options['default_redirect'], 0);
}
}
}
if ($found == 1) {
//Perform actual redirect
wbz404_logRedirectHit($redirect_id, $permalink['link']);
wp_redirect($permalink['link'], $options['default_redirect']);
exit;
} else {
/* Workaround for the issue where bbPress user profile pages would be
* marked as 404 by the function handle_404() in the Wordpress core.
*/
$forums_user_pattern = '/\\/forums\\/users\\//';
if (preg_match($forums_user_pattern, $requestedURL) && function_exists('bbpress')) {
$bbp = bbpress();
if (!empty($bbp->displayed_user)) {
return;
}
}
/* Redirect requests to non-existent category pages to the first page URL.
*/
$paged_pattern = '/\\/page\\/\\d\\d?\\/?$/';
if (preg_match($paged_pattern, $requestedURL)) {
$target_url = preg_replace($paged_pattern, '/', $requestedURL);
error_log("Redirecting {$requestedURL} to {$target_url} in " . __FILE__);
wp_redirect($target_url, 302);
}
//Check for incoming 404 settings
if ($options['capture_404'] == '1') {
$redirect_id = wbz404_setupRedirect($requestedURL, WBZ404_CAPTURED, 0, 0, $options['default_redirect'], 0);
wbz404_logRedirectHit($redirect_id, '404');
}
}
}
} else {
if (is_single() || is_page()) {
if (!is_feed() && !is_trackback() && !is_preview()) {
$theID = get_the_ID();
$permalink = wbz404_permalinkInfo($theID . "|POST", 0);
$urlParts = parse_url($permalink['link']);
$perma_link = $urlParts['path'];
$paged = get_query_var('page') ? get_query_var('page') : false;
if (!$paged === false) {
if ($urlParts[query] == "") {
if (substr($perma_link, -1) == "/") {
$perma_link .= $paged . "/";
} else {
$perma_link .= "/" . $paged;
}
} else {
$urlParts['query'] .= "&page=" . $paged;
}
}
$perma_link .= wbz404_SortQuery($urlParts);
//Check for forced permalinks
if ($options['force_permalinks'] == '1' && $options['auto_redirects'] == '1') {
if ($requestedURL != $perma_link) {
if ($redirect['id'] != '0') {
wbz404_ProcessRedirect($redirect);
} else {
$redirect_id = wbz404_setupRedirect($requestedURL, WBZ404_AUTO, WBZ404_POST, $permalink['id'], $options['default_redirect'], 0);
wbz404_logRedirectHit($redirect_id, $permalink['link']);
wp_redirect($permalink['link'], $options['default_redirect']);
exit;
}
}
}
if ($requestedURL == $perma_link) {
//Not a 404 Link. Check for matches
if ($options['remove_matches'] == '1') {
if ($redirect['id'] != '0') {
wbz404_cleanRedirect($redirect['id']);
}
}
}
}
}
}
}
