/**
* long_url
*
* Expand a shortened URL to its original, long form
*
* @param string short_url
* @return mixed
*/
public function long_url($short_url)
{
$curlh = curl_init();
curl_setopt($curlh, CURLOPT_URL, $short_url);
curl_setopt($curlh, CURLOPT_CONNECTTIMEOUT, 10);
curl_setopt($curlh, CURLOPT_TIMEOUT, 10);
curl_setopt($curlh, CURLOPT_USERAGENT, 'LongURL API');
curl_setopt($curlh, CURLOPT_REFERER, 'http://longurl.org');
curl_setopt($curlh, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($curlh, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curlh, CURLOPT_HEADER, false);
curl_setopt($curlh, CURLOPT_NOBODY, false);
$response = curl_exec($curlh);
if (!$response) {
$error = curl_error($curlh);
if (strpos($error, 'timed out') !== false) {
Glucose::instance()->response->addHeader('HTTP/1.1 504 Gateway Timeout', true, 504);
error_log($error . ':' . $short_url);
Glucose::fatalError('Connection timeout');
} else {
Glucose::instance()->response->addHeader('HTTP/1.1 400 Bad Request', true, 400);
error_log($error . ':' . $short_url);
Glucose::fatalError('Could not expand URL. Please check that you have submitted a valid URL.');
}
}
curl_close($curlh);
$doc = new DOMDocument();
@$doc->loadHTML($response);
$elms = $doc->getElementsByTagName('frame');
if ($elms->length > 0) {
return trim($elms->item(1)->getAttribute('src'));
}
return false;
}
/**
* long_url
*
* Expand a shortened URL to its original, long form
*
* @param string short_url
* @return mixed
*/
public function long_url($short_url)
{
$curlh = curl_init();
curl_setopt($curlh, CURLOPT_URL, $short_url);
curl_setopt($curlh, CURLOPT_CONNECTTIMEOUT, 10);
curl_setopt($curlh, CURLOPT_TIMEOUT, 10);
curl_setopt($curlh, CURLOPT_USERAGENT, 'LongURL API');
curl_setopt($curlh, CURLOPT_REFERER, 'http://longurl.org');
curl_setopt($curlh, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($curlh, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curlh, CURLOPT_HEADER, false);
curl_setopt($curlh, CURLOPT_NOBODY, false);
$response = curl_exec($curlh);
if (!$response) {
$error = curl_error($curlh);
if (strpos($error, 'timed out') !== false) {
Glucose::instance()->response->addHeader('HTTP/1.1 504 Gateway Timeout', true, 504);
error_log($error . ':' . $short_url);
Glucose::fatalError('Connection timeout');
} else {
Glucose::instance()->response->addHeader('HTTP/1.1 400 Bad Request', true, 400);
error_log($error . ':' . $short_url);
Glucose::fatalError('Could not expand URL. Please check that you have submitted a valid URL.');
}
}
curl_close($curlh);
preg_match_all('#<frame src="([^"]+)"#i', $response, $matches);
if (isset($matches[1]) && isset($matches[1][1])) {
return trim($matches[1][1]);
}
return false;
}
/**
* long_url
*
* Expand a shortened URL to its original, long form
*
* @param string short_url
* @return mixed
*/
public function long_url($short_url)
{
$curlh = curl_init();
curl_setopt($curlh, CURLOPT_URL, $short_url);
curl_setopt($curlh, CURLOPT_CONNECTTIMEOUT, 10);
curl_setopt($curlh, CURLOPT_TIMEOUT, 10);
curl_setopt($curlh, CURLOPT_USERAGENT, 'LongURL API');
curl_setopt($curlh, CURLOPT_REFERER, 'http://longurl.org');
curl_setopt($curlh, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($curlh, CURLOPT_RETURNTRANSFER, true);
$response = curl_exec($curlh);
if (!$response) {
$error = curl_error($curlh);
if (strpos($error, 'timed out') !== false) {
Glucose::instance()->response->addHeader('HTTP/1.1 504 Gateway Timeout', true, 504);
error_log($error . ':' . $short_url);
Glucose::fatalError('Connection timeout');
} else {
Glucose::instance()->response->addHeader('HTTP/1.1 400 Bad Request', true, 400);
error_log($error . ':' . $short_url);
Glucose::fatalError('Could not expand URL. Please check that you have submitted a valid URL.');
}
}
curl_close($curlh);
$doc = new DOMDocument();
@$doc->loadHTML($response);
$xpath = new DOMXpath($doc);
$elms = $xpath->query("//meta[@http-equiv='refresh']");
if ($elms->length > 0) {
preg_match('#url=(.*)$#i', $elms->item(0)->getAttribute('content'), $matches);
return trim($matches[1]);
}
return false;
}
public function __construct()
{
$this->GC = Glucose::instance();
}
/**
* long_url
*
* Expand a shortened URL to its original, long form
*
* @param string short_url
* @return mixed
*/
public function long_url($short_url)
{
$curlh = curl_init();
curl_setopt($curlh, CURLOPT_URL, $short_url);
curl_setopt($curlh, CURLOPT_CONNECTTIMEOUT, 10);
curl_setopt($curlh, CURLOPT_TIMEOUT, 10);
curl_setopt($curlh, CURLOPT_USERAGENT, 'LongURL API');
curl_setopt($curlh, CURLOPT_REFERER, 'http://longurl.org');
curl_setopt($curlh, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($curlh, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($curlh, CURLOPT_MAXREDIRS, 10);
curl_setopt($curlh, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curlh, CURLOPT_HEADER, true);
// Include header in output
curl_setopt($curlh, CURLOPT_NOBODY, true);
// Don't include body in output
$response = curl_exec($curlh);
$info = curl_getinfo($curlh);
if ($info['http_code'] === 405) {
// HEAD requests aren't allowed
$curlh = curl_init();
curl_setopt($curlh, CURLOPT_URL, $short_url);
curl_setopt($curlh, CURLOPT_CONNECTTIMEOUT, 10);
curl_setopt($curlh, CURLOPT_TIMEOUT, 10);
curl_setopt($curlh, CURLOPT_USERAGENT, 'LongURL API');
curl_setopt($curlh, CURLOPT_REFERER, 'http://longurl.org');
curl_setopt($curlh, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($curlh, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($curlh, CURLOPT_MAXREDIRS, 10);
curl_setopt($curlh, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curlh, CURLOPT_HEADER, true);
// Include header in output
$response = curl_exec($curlh);
$info = curl_getinfo($curlh);
}
if (!$response) {
$error = curl_error($curlh);
if (strpos($error, 'timed out') !== false) {
Glucose::instance()->response->addHeader('HTTP/1.1 504 Gateway Timeout', true, 504);
error_log($error . ':' . $short_url);
Glucose::fatalError('Connection timeout');
} else {
Glucose::instance()->response->addHeader('HTTP/1.1 400 Bad Request', true, 400);
error_log($error . ':' . $short_url);
Glucose::fatalError('Could not expand URL. Please check that you have submitted a valid URL.');
}
}
curl_close($curlh);
if ($response) {
// Cache content-type
Memcached::instance()->set('content-type:' . $info['url'], $info['content_type']);
// Extract and cache all redirects
preg_match_all('#Location:\\s?([^\\s]+)#i', $response, $matches);
Memcached::instance()->set('all-redirects:' . $short_url, $matches[1]);
// Cache response-code
Memcached::instance()->set('response-code:' . $info['url'], $info['http_code']);
return $info['url'];
} else {
return false;
}
}
