public function __construct()
{
parent::__construct();
//接入验证
valid_link();
//调用run方法根据不同的消息类型做出不同的回应
$this->run();
}
public function __construct()
{
parent::__construct();
//加载模型
$this->load->model('main_model');
//接入验证
valid_link();
//调用run方法根据不同的消息类型做出不同的回应
$this->run();
}
function build_url($url, $parent_url, $select, $current, $handle, $store_file)
{
global $clear, $ext, $mainurl, $apache_indexes, $strip_sessids, $ex_media, $clear;
// find only media-files with allowed file suffix or type-description or application descriptor
$match = valid_link($url, $select);
if ($match == '0') {
return '';
}
if (substr($url, -1) == '\\') {
return '';
}
$original_parent_url_parts = parse_all_url($url);
$urlparts = parse_all_url($url);
$main_url_parts = parse_all_url($mainurl);
if ($urlparts['host'] != "" && $urlparts['host'] != $main_url_parts['host'] && $ex_media != 1) {
return '';
}
if (isset($urlparts['query'])) {
if ($apache_indexes[$urlparts['query']]) {
return '';
}
}
if (preg_match("/[\\/]?mailto:|[\\/]?javascript:|[\\/]?news:/i", $url)) {
return '';
}
if (isset($urlparts['scheme'])) {
$scheme = $urlparts['scheme'];
} else {
$scheme = "";
}
//only http and https links are followed
if (!($scheme == 'http' || $scheme == '' || $scheme == 'https')) {
return '';
}
//parent url might be used to build an url from relative path
$parent_url = remove_file_from_url($parent_url);
$parent_url_parts = parse_all_url($parent_url);
if (substr($url, 0, 1) == '/') {
$url = $parent_url_parts['scheme'] . "://" . $parent_url_parts['host'] . $url;
} else {
if (!isset($urlparts['scheme'])) {
$url = $parent_url . $url;
}
}
$url_parts = parse_all_url($url);
$urlpath = $url_parts['path'];
$regs = array();
while (preg_match("/[^\\/]*\\/[.]{2}\\//", $urlpath, $regs)) {
$urlpath = str_replace($regs[0], "", $urlpath);
}
//remove relative path instructions like ../ etc
$urlpath = preg_replace("/\\/+/", "/", $urlpath);
$urlpath = preg_replace("/[^\\/]*\\/[.]{2}/", "", $urlpath);
$urlpath = str_replace("./", "", $urlpath);
$query = "";
if (isset($url_parts['query'])) {
$query = "?" . $url_parts['query'];
}
if ($main_url_parts['port'] == 80 || $url_parts['port'] == "") {
$portq = "";
} else {
$portq = ":" . $main_url_parts['port'];
}
if (!$urlpath) {
$urlpath = "/";
}
// if not exists, add slash instead of real urlpath
$url = $url_parts['scheme'] . "://" . $url_parts['host'] . $portq . $urlpath . $query;
if (strstr($url, "/?")) {
//added to address <a href="?id=1"> syntax
$page = str_replace($main_url_parts['path'], null, $original_parent_url_parts['path']);
if (substr(trim($mainurl), -1) !== "/" and substr(trim($page), 0, 1) !== "/") {
$page = "/" . $page;
}
$url = $mainurl . $page . $query;
}
if ($ex_media == 1) {
// if we index sub-domains
return $url;
}
$mainurl = remove_file_from_url($mainurl);
$url = convert_url($url);
// convert 'blank' and '&'
if ($strip_sessids == 1) {
$url = remove_sessid($url);
}
if (strstr($url, $main_url_parts['host']) == false) {
// $main_url_parts['host'] will support also relative-back-folder like ../../
if ($clear == 1) {
unset($select, $mainurl, $urlpath, $query, $page);
$original_parent_url_parts = array();
$main_url_parts = array();
$url_parts = array();
$urlparts = array();
}
return '';
} else {
if ($clear == 1) {
unset($select, $mainurl, $urlpath, $query, $page);
$original_parent_url_parts = array();
$main_url_parts = array();
$url_parts = array();
$urlparts = array();
}
return $url;
}
}
