function query($request, $content = '', $doSpeedCheck = 0)
{
$this->error = $this->warn = array();
$this->result_status_code = NULL;
// is our request a http:// ... ?
if (preg_match('!^http://!i', $request) || preg_match('!^https://!i', $request)) {
$location = parse_url($request);
if (preg_match('!^https://!i', $request)) {
$this->connect('ssl://' . $location['host'], $location['port']);
} else {
$this->connect($location['host'], $location['port']);
}
$this->set_login($location['user'], $location['pass']);
$request = $location['path'];
$content = $location['query'];
if (strlen($request) < 1) {
$request = '/';
}
}
$array_headers = array('User-Agent' => "HTTPSocket/{$this->version}", 'Host' => $this->remote_port == 80 ? $this->remote_host : "{$this->remote_host}:{$this->remote_port}", 'Accept' => '*/*', 'Connection' => 'Close');
foreach ($this->extra_headers as $key => $value) {
$array_headers[$key] = $value;
}
$this->result = $this->result_header = $this->result_body = '';
// was content sent as an array? if so, turn it into a string
if (is_array($content)) {
$pairs = array();
foreach ($content as $key => $value) {
$pairs[] = "{$key}=" . urlencode($value);
}
$content = join('&', $pairs);
unset($pairs);
}
$OK = TRUE;
// instance connection
if ($this->bind_host) {
$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
socket_bind($socket, $this->bind_host);
if (!@socket_connect($socket, $this->remote_host, $this->remote_port)) {
$OK = FALSE;
}
} else {
$context = stream_context_create(array('ssl' => array('verify_peer' => false, 'verify_peer_name' => false)));
$socket = stream_socket_client($this->remote_host . ':' . $this->remote_port, $sock_errno, $sock_errstr, 10, STREAM_CLIENT_CONNECT, $context);
}
if (!$socket || !$OK) {
$this->error[] = "Can't create socket connection to {$this->remote_host}:{$this->remote_port}.";
return 0;
}
// if we have a username and password, add the header
if (isset($this->remote_uname) && isset($this->remote_passwd)) {
$array_headers['Authorization'] = 'Basic ' . base64_encode("{$this->remote_uname}:{$this->remote_passwd}");
}
// for DA skins: if $this->remote_passwd is NULL, try to use the login key system
if (isset($this->remote_uname) && $this->remote_passwd == NULL) {
$array_headers['Cookie'] = "session={$_SERVER['SESSION_ID']}; key={$_SERVER['SESSION_KEY']}";
}
// if method is POST, add content length & type headers
if ($this->method == 'POST') {
$array_headers['Content-type'] = 'application/x-www-form-urlencoded';
$array_headers['Content-length'] = strlen($content);
} else {
if ($content) {
$request .= "?{$content}";
}
}
// prepare query
$query = "{$this->method} {$request} HTTP/1.0\r\n";
foreach ($array_headers as $key => $value) {
$query .= "{$key}: {$value}\r\n";
}
$query .= "\r\n";
// if POST we need to append our content
if ($this->method == 'POST' && $content) {
$query .= "{$content}\r\n\r\n";
}
// query connection
if ($this->bind_host) {
socket_write($socket, $query);
// now load results
while ($out = socket_read($socket, 2048)) {
$this->result .= $out;
}
} else {
fwrite($socket, $query, strlen($query));
// now load results
$this->lastTransferSpeed = 0;
$status = socket_get_status($socket);
$startTime = time();
$length = 0;
$prevSecond = 0;
while (!feof($socket) && !$status['timed_out']) {
$chunk = fgets($socket, 1024);
$length += strlen($chunk);
$this->result .= $chunk;
$elapsedTime = time() - $startTime;
if ($elapsedTime > 0) {
$this->lastTransferSpeed = $length / 1024 / $elapsedTime;
}
if ($doSpeedCheck > 0 && $elapsedTime > 5 && $this->lastTransferSpeed < $doSpeedCheck) {
$this->warn[] = "kB/s for last 5 seconds is below 50 kB/s (~" . $length / 1024 / $elapsedTime . "), dropping connection...";
$this->result_status_code = 503;
break;
}
}
if ($this->lastTransferSpeed == 0) {
$this->lastTransferSpeed = $length / 1024;
}
}
list($this->result_header, $this->result_body) = preg_split("/\r\n\r\n/", $this->result, 2);
if ($this->bind_host) {
socket_close($socket);
} else {
fclose($socket);
}
$this->query_cache[] = $query;
$headers = $this->fetch_header();
// what return status did we get?
if (!$this->result_status_code) {
preg_match("#HTTP/1\\.. (\\d+)#", $headers[0], $matches);
$this->result_status_code = $matches[1];
}
// did we get the full file?
if (!empty($headers['content-length']) && $headers['content-length'] != strlen($this->result_body)) {
$this->result_status_code = 206;
}
// now, if we're being passed a location header, should we follow it?
if ($this->doFollowLocationHeader) {
//dont bother if we didn't even setup the script correctly
if (isset($headers['x-use-https']) && $headers['x-use-https'] == 'yes') {
die($this->ssl_setting_message);
}
if (isset($headers['location'])) {
if ($this->max_redirects <= 0) {
die("Too many redirects on: " . $headers['location']);
}
$this->max_redirects--;
$this->redirectURL = $headers['location'];
$this->query($headers['location']);
}
}
}
