/**
* 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);
$response = curl_exec($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;
}
/**
* 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;
}
/**
* http_auth
*
* Use HTTP-AUTH to authenticate users
*
* @access private
* @param string username
* @param string password
* @param string authentication realm
*/
function http_auth($user, $pass, $realm = 'Restricted Area')
{
if (!(isset($_SERVER['PHP_AUTH_USER']) && isset($_SERVER['PHP_AUTH_PW']) && $_SERVER['PHP_AUTH_USER'] == $user && $_SERVER['PHP_AUTH_PW'] == $pass)) {
$realm = addcslashes($realm, '"');
header("WWW-Authenticate: Basic realm=\"{$realm}\"");
header('HTTP/1.0 401 Unauthorized');
Glucose::fatalError('Error 401: Unauthorized Access');
}
}
private function bootstrap()
{
if (!@(include BASE_PATH . '/config.php')) {
Glucose::fatalError('Could not load configuration file.');
}
self::$config = $config;
$this->loadClass('request');
$this->loadClass('response');
$this->loadClass('template');
$this->loadClass('memcached');
$this->loadClass('router');
$this->router->dispatch($this->request);
}
public function expand()
{
if (!get('url')) {
$this->GC->response->addHeader('HTTP/1.1 400 Bad Request', true, 400);
Glucose::fatalError('Missing required parameter: URL.');
}
$short_url = trim(get('url'));
if (!preg_match('#^[a-z]+://#', $short_url)) {
$short_url = 'http://' . $short_url;
}
$data['long-url'] = $this->api->long_url($short_url);
// Get the extra info that might be requested
if (get('all-redirects')) {
$data['all-redirects'] = $this->api->all_redirects($short_url);
}
if (get('content-type')) {
$data['content-type'] = $this->api->content_type($data['long-url']);
}
if (get('response-code')) {
$data['response-code'] = $this->api->response_code($data['long-url']);
}
if (get('title')) {
$data['title'] = $this->api->title($data['long-url']);
}
if (get('rel-canonical')) {
$data['rel-canonical'] = $this->api->rel_canonical($data['long-url']);
}
if (get('meta-keywords')) {
$data['meta-keywords'] = $this->api->meta_keywords($data['long-url']);
}
if (get('meta-description')) {
$data['meta-description'] = $this->api->meta_description($data['long-url']);
}
if (get('safe-browsing')) {
$data['safe-browsing'] = $this->api->safe_browsing($data['long-url']);
}
if (get('oembed')) {
$data['oembed'] = $this->api->oembed($data['long-url']);
}
$data = array_filter($data);
$this->GC->loadView('expand', array('response' => $data));
}
public function expand()
{
if (!get('url')) {
$this->GC->response->addHeader('HTTP/1.1 400 Bad Request', true, 400);
Glucose::fatalError('Missing required parameter: URL.');
}
$short_url = trim(get('url'));
if (!preg_match('#^[a-z]+://#', $short_url)) {
$short_url = 'http://' . $short_url;
}
$data['long_url'] = $this->api->expand($short_url);
if (!$data['long_url']) {
Glucose::fatalError('Could not expand URL. Please check that you have submitted a valid URL.', true);
}
// If there's a title for this URL, add it to the output
$data['title'] = $this->api->get_title($data['long_url']);
// If there's an oembed for this URL, add it to the output
$data['oembed'] = $this->api->get_oembed($data['long_url']);
$data = array_filter($data);
$this->GC->loadView('expand', array('response' => $data));
}
public function dispatch($request)
{
$this->applyCustomRoutes($request->url);
$this->createRoute($request->url);
$filename = BASE_PATH . '/controllers/';
$filename .= $this->module !== null ? $this->module . '/' : '';
$filename .= $this->controller . '.php';
if (is_file($filename)) {
include_once BASE_PATH . '/classes/Controller.php';
include_once $filename;
$controller = new $this->controller();
if (!in_array(strtolower($this->action), array_map('strtolower', get_class_methods($controller)))) {
$this->action = '_error_404';
}
call_user_func_array(array(&$controller, $this->action), $this->args);
} else {
$this->GC->response->addHeader('HTTP/1.0 404 Not Found', true, 404);
Glucose::fatalError('404 Not Found');
}
}
public function expand()
{
if (!get('url')) {
return $this->GC->loadView('expand');
}
$data['short_url'] = trim(get('url'));
if (!preg_match('#^[a-z]+://#', $data['short_url'])) {
$data['short_url'] = 'http://' . $data['short_url'];
}
include BASE_PATH . '/libraries/LongURL_API_v2.php';
$api = new LongURL_API_v2();
$data['long_url'] = $api->long_url($data['short_url']);
if (!$data['long_url']) {
return Glucose::fatalError('Could not expand URL. Please check that you have submitted a valid URL.');
}
$data['all_redirects'] = $api->all_redirects($data['short_url']);
$data['title'] = $api->title($data['long_url']);
$data['conversations'] = $api->conversations($data['long_url']);
$data['meta_keywords'] = $api->meta_keywords($data['long_url']);
$data['meta_description'] = $api->meta_description($data['long_url']);
$data['content_type'] = $api->content_type($data['long_url']);
$this->GC->loadView('expand', $data);
}
/**
* long_url
*
* Expand a shortened URL to its original, long form
*
* @param string short_url
* @return mixed
*/
public function long_url($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;
}
}
public function _error_404()
{
$this->GC->response->addHeader('HTTP/1.1 404 Not Found', true, 404);
Glucose::fatalError('404 Not Found');
}
