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rewrote short url stuff to handle new file/url classes (redirections, oembed, mimetypes, etc.)

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This commit is contained in:
Robin Millette
2009-05-13 14:27:32 -04:00
parent d010d811ba
commit 3b7ee5a5f9
10 changed files with 383 additions and 237 deletions
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114
lib/util.php
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@@ -466,10 +466,10 @@ function common_replace_urls_callback($text, $callback, $notice_id = null) {
$url = (mb_strpos($orig_url, htmlspecialchars($url)) === FALSE) ? $url:htmlspecialchars($url);
// Call user specified func
if (isset($notice_id)) {
$modified_url = call_user_func($callback, array($url, $notice_id));
} else {
if (empty($notice_id)) {
$modified_url = call_user_func($callback, $url);
} else {
$modified_url = call_user_func($callback, array($url, $notice_id));
}
// Replace it!
@@ -485,107 +485,29 @@ function common_linkify($url) {
// It comes in special'd, so we unspecial it before passing to the stringifying
// functions
$url = htmlspecialchars_decode($url);
$display = $url;
$url = (!preg_match('#^([a-z]+://|(mailto|aim|tel):)#i', $url)) ? 'http://'.$url : $url;
$attrs = array('href' => $url, 'rel' => 'external');
if ($longurl = common_longurl($url)) {
$attrs['title'] = $longurl;
$display = File_redirection::_canonUrl($url);
$longurl_data = File_redirection::where($url);
if (is_array($longurl_data)) {
$longurl = $longurl_data['url'];
} elseif (is_string($longurl_data)) {
$longurl = $longurl_data;
} else {
die('impossible to linkify');
}
$attrs = array('href' => $longurl, 'rel' => 'external');
if(0){
if ($longurl !== $url) {
$attrs['title'] = $longurl;
}
}
return XMLStringer::estring('a', $attrs, $display);
}
function common_longurl($short_url)
{
$long_url = common_shorten_link($short_url, true);
if ($long_url === $short_url) return false;
return $long_url;
}
function common_longurl2($uri)
{
$uri_e = urlencode($uri);
$longurl = unserialize(file_get_contents("http://api.longurl.org/v1/expand?format=php&url=$uri_e"));
if (empty($longurl['long_url']) || $uri === $longurl['long_url']) return false;
return stripslashes($longurl['long_url']);
}
function common_shorten_links($text)
{
if (mb_strlen($text) <= 140) return $text;
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;
$user = common_current_user();
if (!isset($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
$user->urlshorteningservice = 'ur1.ca';
}
$curlh = curl_init();
curl_setopt($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 $url;
return common_replace_urls_callback($text, array('File_redirection', 'makeShort'));
}
function common_xml_safe_str($str)