+
+function common_shorten_url($long_url)
+{
+ $user = common_current_user();
+ if (empty($user)) {
+ // common current user does not find a user when called from the XMPP daemon
+ // therefore we'll set one here fix, so that XMPP given URLs may be shortened
+ $svc = 'ur1.ca';
+ } else {
+ $svc = $user->urlshorteningservice;
+ }
+
+ $curlh = curl_init();
+ curl_setopt($curlh, CURLOPT_CONNECTTIMEOUT, 20); // # seconds to wait
+ curl_setopt($curlh, CURLOPT_USERAGENT, 'Laconica');
+ curl_setopt($curlh, CURLOPT_RETURNTRANSFER, true);
+
+ switch($svc) {
+ case 'ur1.ca':
+ require_once INSTALLDIR.'/lib/Shorturl_api.php';
+ $short_url_service = new LilUrl;
+ $short_url = $short_url_service->shorten($long_url);
+ break;
+
+ case '2tu.us':
+ $short_url_service = new TightUrl;
+ require_once INSTALLDIR.'/lib/Shorturl_api.php';
+ $short_url = $short_url_service->shorten($long_url);
+ break;
+
+ case 'ptiturl.com':
+ require_once INSTALLDIR.'/lib/Shorturl_api.php';
+ $short_url_service = new PtitUrl;
+ $short_url = $short_url_service->shorten($long_url);
+ break;
+
+ case 'bit.ly':
+ curl_setopt($curlh, CURLOPT_URL, 'http://bit.ly/api?method=shorten&long_url='.urlencode($long_url));
+ $short_url = current(json_decode(curl_exec($curlh))->results)->hashUrl;
+ break;
+
+ case 'is.gd':
+ curl_setopt($curlh, CURLOPT_URL, 'http://is.gd/api.php?longurl='.urlencode($long_url));
+ $short_url = curl_exec($curlh);
+ break;
+ case 'snipr.com':
+ curl_setopt($curlh, CURLOPT_URL, 'http://snipr.com/site/snip?r=simple&link='.urlencode($long_url));
+ $short_url = curl_exec($curlh);
+ break;
+ case 'metamark.net':
+ curl_setopt($curlh, CURLOPT_URL, 'http://metamark.net/api/rest/simple?long_url='.urlencode($long_url));
+ $short_url = curl_exec($curlh);
+ break;
+ case 'tinyurl.com':
+ curl_setopt($curlh, CURLOPT_URL, 'http://tinyurl.com/api-create.php?url='.urlencode($long_url));
+ $short_url = curl_exec($curlh);
+ break;
+ default:
+ $short_url = false;
+ }
+
+ curl_close($curlh);
+
+ return $short_url;
+}
+
+function common_client_ip()
+{
+ if (!isset($_SERVER) || !array_key_exists('REQUEST_METHOD', $_SERVER)) {
+ return null;
+ }
+
+ if (array_key_exists('HTTP_X_FORWARDED_FOR', $_SERVER)) {
+ if (array_key_exists('HTTP_CLIENT_IP', $_SERVER)) {
+ $proxy = $_SERVER['HTTP_CLIENT_IP'];
+ } else {
+ $proxy = $_SERVER['REMOTE_ADDR'];
+ }
+ $ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
+ } else {
+ $proxy = null;
+ if (array_key_exists('HTTP_CLIENT_IP', $_SERVER)) {
+ $ip = $_SERVER['HTTP_CLIENT_IP'];
+ } else {
+ $ip = $_SERVER['REMOTE_ADDR'];
+ }
+ }
+
+ return array($proxy, $ip);
+}