- static $cache = array();
- if (isset($cache[$text])) return $cache[$text];
- // \s = not a horizontal whitespace character (since PHP 5.2.4)
- return $cache[$text] = common_replace_urls_callback($text, 'common_shorten_link');;
-}
-
-function common_shorten_link($url, $reverse = false)
-{
- static $url_cache = array();
- if ($reverse) return isset($url_cache[$url]) ? $url_cache[$url] : $url;
-
- $user = common_current_user();
-
- $curlh = curl_init();
- curl_setopt($curlh, CURLOPT_CONNECTTIMEOUT, 20); // # seconds to wait
- curl_setopt($curlh, CURLOPT_USERAGENT, 'Laconica');
- curl_setopt($curlh, CURLOPT_RETURNTRANSFER, true);
-
- switch($user->urlshorteningservice) {
- case 'ur1.ca':
- $short_url_service = new LilUrl;
- $short_url = $short_url_service->shorten($url);
- break;
-
- case '2tu.us':
- $short_url_service = new TightUrl;
- $short_url = $short_url_service->shorten($url);
- break;
-
- case 'ptiturl.com':
- $short_url_service = new PtitUrl;
- $short_url = $short_url_service->shorten($url);
- break;
-
- case 'bit.ly':
- curl_setopt($curlh, CURLOPT_URL, 'http://bit.ly/api?method=shorten&long_url='.urlencode($url));
- $short_url = current(json_decode(curl_exec($curlh))->results)->hashUrl;
- break;
-
- case 'is.gd':
- curl_setopt($curlh, CURLOPT_URL, 'http://is.gd/api.php?longurl='.urlencode($url));
- $short_url = curl_exec($curlh);
- break;
- case 'snipr.com':
- curl_setopt($curlh, CURLOPT_URL, 'http://snipr.com/site/snip?r=simple&link='.urlencode($url));
- $short_url = curl_exec($curlh);
- break;
- case 'metamark.net':
- curl_setopt($curlh, CURLOPT_URL, 'http://metamark.net/api/rest/simple?long_url='.urlencode($url));
- $short_url = curl_exec($curlh);
- break;
- case 'tinyurl.com':
- curl_setopt($curlh, CURLOPT_URL, 'http://tinyurl.com/api-create.php?url='.urlencode($url));
- $short_url = curl_exec($curlh);
- break;
- default:
- $short_url = false;
- }
-
- curl_close($curlh);
-
- if ($short_url) {
- $url_cache[(string)$short_url] = $url;
- return (string)$short_url;
- }
- return $url;