/**
* Scan content of source url for a trackback url
*
* @return str - trackback url
*
* Adapted from Pligg.com and SocialWebCMS.com
*/
public function detectTrackback($h)
{
include_once EXTENSIONS . 'SWCMS/HotaruHttpRequest.php';
// Fetch the content of the original url...
$url = $h->post->origUrl;
if ($url != 'http://' && $url != '') {
$r = new HotaruHttpRequest($url);
$content = $r->DownloadToString();
} else {
$content = '';
}
$trackback = '';
if (preg_match('/trackback:ping="([^"]+)"/i', $content, $matches) || preg_match('/trackback:ping +rdf:resource="([^>]+)"/i', $content, $matches) || preg_match('/<trackback:ping>([^<>]+)/i', $content, $matches)) {
$trackback = trim($matches[1]);
} elseif (preg_match('/<a[^>]+rel="trackback"[^>]*>/i', $content, $matches)) {
if (preg_match('/href="([^"]+)"/i', $matches[0], $matches2)) {
$trackback = trim($matches2[1]);
}
} elseif (preg_match('/<a[^>]+href=[^>]+>trackback<\\/a>/i', $content, $matches)) {
if (preg_match('/href="([^"]+)"/i', $matches[0], $matches2)) {
$trackback = trim($matches2[1]);
}
} elseif (preg_match('/http:([^ ]+)trackback.php([^<|^ ]+)/i', $content, $matches)) {
$trackback = trim($matches[1]);
} elseif (preg_match('/trackback:ping="([^"]+)"/', $content, $matches)) {
$trackback = trim($matches[1]);
}
return $trackback;
}
/**
* Add spammer to the StopForumSpam.com database
*/
public function addSpammer($ip = '', $username = '', $email = '', $apikey = '')
{
if (!$ip || !$username || !$email || !$apikey || $ip == '127.0.0.1') {
return false;
}
$url = "http://www.stopforumspam.com/add.php?";
$url .= "username="******"&ip_addr=" . $ip;
$url .= "&email=" . urlencode($email);
$url .= "&api_key=" . $apikey;
require_once EXTENSIONS . 'SWCMS/HotaruHttpRequest.php';
$r = new HotaruHttpRequest($url);
$error = $r->DownloadToString();
//if (!$error) { echo "Success"; } else { echo $error; }
}
function DownloadToString()
{
$response = "";
$crlf = "\r\n";
// generate request
$req = 'GET ' . $this->_uri . ' HTTP/1.0' . $crlf . 'Host: ' . $this->_host . $crlf . $crlf;
error_reporting(E_ERROR);
// fetch
$this->_fp = fsockopen(($this->_protocol == 'https' ? 'tls://' : '') . $this->_host, $this->_port, $errno, $errstr, 20);
if (!$this->_fp) {
return "BADURL";
}
fwrite($this->_fp, $req);
while (is_resource($this->_fp) && $this->_fp && !feof($this->_fp)) {
$response .= fread($this->_fp, 1024);
}
fclose($this->_fp);
// split header and body
$pos = strpos($response, $crlf . $crlf);
if ($pos === false) {
return $response;
}
$header = substr($response, 0, $pos);
$body = substr($response, $pos + 2 * strlen($crlf));
// parse headers
$headers = array();
$lines = explode($crlf, $header);
foreach ($lines as $line) {
if (($pos = strpos($line, ':')) !== false) {
$headers[strtolower(trim(substr($line, 0, $pos)))] = trim(substr($line, $pos + 1));
}
}
// redirection?
if (isset($headers['location'])) {
$http = new HotaruHttpRequest($headers['location']);
return $http->DownloadToString($http);
} else {
return $body;
}
}
/**
* Scrapes the title from the page being submitted
*
* @param string $url
* @link http://www.phpfour.com/blog/2008/01/php-http-class/
*/
public function fetchTitle($url)
{
require_once EXTENSIONS . 'SWCMS/HotaruHttpRequest.php';
if ($url != 'http://' && $url != '') {
$r = new HotaruHttpRequest($url);
$string = $r->DownloadToString();
} else {
$string = '';
}
if (preg_match('/charset=([a-zA-Z0-9-_]+)/i', $string, $matches)) {
$encoding = trim($matches[1]);
//you need iconv to encode to utf-8 (if not, use custom iconv in funcs.strings.php)
if (strcasecmp($encoding, 'utf-8') != 0) {
//convert the html code into utf-8 whatever encoding it is using
$string = iconv($encoding, 'UTF-8//IGNORE', $string);
}
}
if (preg_match("'<title>([^<]*?)</title>'", $string, $matches)) {
$title = trim($matches[1]);
} else {
$title = '';
}
return $title;
}
