function _connect($host, $port)
{
$this->SendMSG("Creating ftp connection");
$sock = ftp_connect(convert_host_to_idna($host), $port, $this->_timeout);
if (!$sock) {
$this->PushError('_connect', 'ftp connect failed');
return false;
}
$this->_connected = true;
return $sock;
}
function fsockopen_idna($host, $port, $timeout)
{
$host = convert_host_to_idna($host);
$fp = @fsockopen($host, $port, $errno, $errstr, $timeout);
return array($fp, $errno, $errstr, $host);
}
function _httpsrequest($url, $URI, $http_method, $content_type = "", $body = "")
{
$temp_dir = "";
$cmdline_params = "";
if ($this->passcookies && $this->_redirectaddr) {
$this->setcookies();
}
$headers = array();
$URI_PARTS = parse_url($URI);
if (empty($url)) {
$url = "/";
}
// GET ... header not needed for curl
//$headers[] = $http_method." ".$url." ".$this->_httpversion;
if (!empty($this->agent)) {
$headers[] = "User-Agent: " . $this->agent;
}
if (!empty($this->host)) {
if (!empty($this->port)) {
$headers[] = "Host: " . convert_host_to_idna($this->host) . ":" . $this->port;
} else {
$headers[] = "Host: " . convert_host_to_idna($this->host);
}
}
if (!empty($this->accept)) {
$headers[] = "Accept: " . $this->accept;
}
if (!empty($this->referer)) {
$headers[] = "Referer: " . $this->referer;
}
if (!empty($this->cookies)) {
if (!is_array($this->cookies)) {
$this->cookies = (array) $this->cookies;
}
reset($this->cookies);
if (count($this->cookies) > 0) {
$cookie_str = 'Cookie: ';
foreach ($this->cookies as $cookieKey => $cookieVal) {
$cookie_str .= $cookieKey . "=" . urlencode($cookieVal) . "; ";
}
$headers[] = substr($cookie_str, 0, -2);
}
}
if (!empty($this->rawheaders)) {
if (!is_array($this->rawheaders)) {
$this->rawheaders = (array) $this->rawheaders;
}
while (list($headerKey, $headerVal) = each($this->rawheaders)) {
$headers[] = $headerKey . ": " . $headerVal;
}
}
if (!empty($content_type)) {
if ($content_type == "multipart/form-data") {
$headers[] = "Content-type: {$content_type}; boundary=" . $this->_mime_boundary;
} else {
$headers[] = "Content-type: {$content_type}";
}
}
if (!empty($body)) {
$headers[] = "Content-length: " . strlen($body);
}
if (!empty($this->user) || !empty($this->pass)) {
$headers[] = "Authorization: BASIC " . base64_encode($this->user . ":" . $this->pass);
}
for ($curr_header = 0; $curr_header < count($headers); $curr_header++) {
$safer_header = strtr($headers[$curr_header], "\"", " ");
$cmdline_params .= " -H \"" . $safer_header . "\"";
}
if (!empty($body)) {
$cmdline_params .= " -d \"{$body}\"";
}
if ($this->read_timeout > 0) {
$cmdline_params .= " -m " . $this->read_timeout;
}
$headerfile = tempnam($temp_dir, "sno");
exec($this->curl_path . " -k -D \"{$headerfile}\"" . $cmdline_params . " \"" . escapeshellcmd($URI) . "\"", $results, $return);
if ($return) {
$this->error = "Error: cURL could not retrieve the document, error {$return}.";
return false;
}
$results = implode("\r\n", $results);
$result_headers = file("{$headerfile}");
$this->_redirectaddr = false;
unset($this->headers);
for ($currentHeader = 0; $currentHeader < count($result_headers); $currentHeader++) {
// if a header begins with Location: or URI:, set the redirect
if (preg_match("/^(Location:|URI:)/i", $result_headers[$currentHeader])) {
// get URL portion of the redirect
preg_match("/^(Location:|URI:)[ ]+(.*)/", chop($result_headers[$currentHeader]), $matches);
// look for :// in the Location header to see if hostname is included
if (!preg_match("|\\:\\/\\/|", $matches[2])) {
// no host in the path, so prepend
$this->_redirectaddr = $URI_PARTS["scheme"] . "://" . $this->host . ":" . $this->port;
// eliminate double slash
if (!preg_match("|^/|", $matches[2])) {
$this->_redirectaddr .= "/" . $matches[2];
} else {
$this->_redirectaddr .= $matches[2];
}
} else {
$this->_redirectaddr = $matches[2];
}
}
if (preg_match("|^HTTP/|", $result_headers[$currentHeader])) {
if (preg_match("|^HTTP/[^\\s]*\\s(.*?)\\s|", $result_headers[$currentHeader], $status)) {
$this->status = $status[1];
}
$this->response_code = $result_headers[$currentHeader];
}
$this->headers[] = $result_headers[$currentHeader];
}
// check if there is a a redirect meta tag
if (preg_match("'<meta[\\s]*http-equiv[^>]*?content[\\s]*=[\\s]*[\"\\']?\\d+;[\\s]*URL[\\s]*=[\\s]*([^\"\\']*?)[\"\\']?>'i", $results, $match)) {
$this->_redirectaddr = $this->_expandlinks($match[1], $URI);
}
// have we hit our frame depth and is there frame src to fetch?
if ($this->_framedepth < $this->maxframes && preg_match_all("'<frame\\s+.*src[\\s]*=[\\'\"]?([^\\'\"\\>]+)'i", $results, $match)) {
$this->results[] = $results;
for ($x = 0; $x < count($match[1]); $x++) {
$this->_frameurls[] = $this->_expandlinks($match[1][$x], $URI_PARTS["scheme"] . "://" . $this->host);
}
} elseif (is_array($this->results)) {
$this->results[] = $results;
} else {
$this->results = $results;
}
unlink("{$headerfile}");
return true;
}