19d4e6e1d5
This is not needed anymore since commit
6b64aa3faf.
Signed-off-by: Florian Pritz <bluewind@xinu.at>
69 lines
No EOL
2.1 KiB
PHP
69 lines
No EOL
2.1 KiB
PHP
<?php
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// Source: http://www.php.net/manual/de/function.curl-setopt.php#102121
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// This works around a safe_mode/open_basedir restriction
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function curl_exec_follow(/*resource*/ $ch, /*int*/ &$maxredirect = null) {
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$mr = $maxredirect === null ? 5 : intval($maxredirect);
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if (ini_get('open_basedir') == '' && ini_get('safe_mode' == 'Off')) {
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curl_setopt($ch, CURLOPT_FOLLOWLOCATION, $mr > 0);
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curl_setopt($ch, CURLOPT_MAXREDIRS, $mr);
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} else {
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curl_setopt($ch, CURLOPT_FOLLOWLOCATION, false);
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if ($mr > 0) {
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$newurl = curl_getinfo($ch, CURLINFO_EFFECTIVE_URL);
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$rch = curl_copy_handle($ch);
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curl_setopt($rch, CURLOPT_HEADER, true);
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curl_setopt($rch, CURLOPT_NOBODY, true);
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curl_setopt($rch, CURLOPT_FORBID_REUSE, false);
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curl_setopt($rch, CURLOPT_RETURNTRANSFER, true);
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do {
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curl_setopt($rch, CURLOPT_URL, $newurl);
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$header = curl_exec($rch);
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if (curl_errno($rch)) {
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$code = 0;
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} else {
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$code = curl_getinfo($rch, CURLINFO_HTTP_CODE);
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if ($code == 301 || $code == 302) {
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preg_match('/Location:(.*?)\n/', $header, $matches);
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$newurl = trim(array_pop($matches));
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} else {
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$code = 0;
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}
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}
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} while ($code && --$mr);
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curl_close($rch);
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if (!$mr) {
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if ($maxredirect === null) {
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trigger_error('Too many redirects. When following redirects, libcurl hit the maximum amount.', E_USER_WARNING);
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} else {
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$maxredirect = 0;
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}
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return false;
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}
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curl_setopt($ch, CURLOPT_URL, $newurl);
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}
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}
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return curl_exec($ch);
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}
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function getURLMetadata($url) {
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//allow only http(s) and (s)ftp
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$protocols = '/^[hs]{0,1}[tf]{0,1}tp[s]{0,1}\:\/\//i';
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//if not (allowed) protocol is given, assume http
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if(preg_match($protocols, $url) == 0) {
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$url = 'http://' . $url;
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}
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$metadata['url'] = $url;
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$ch = curl_init();
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curl_setopt($ch, CURLOPT_URL, $url);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
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$page = curl_exec_follow($ch);
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curl_close($ch);
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@preg_match( "/<title>(.*)<\/title>/si", $page, $match );
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$metadata['title'] = htmlspecialchars_decode(@$match[1]);
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return $metadata;
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} |