3 require_once('library/HTML5/Parser.php');
4 require_once('include/crypto.php');
6 if(! function_exists('scrape_dfrn')) {
7 function scrape_dfrn($url, $dont_probe = false) {
13 logger('scrape_dfrn: url=' . $url);
21 $probe = probe_url($url);
23 if (isset($probe["addr"]))
24 $ret["addr"] = $probe["addr"];
27 $headers = $a->get_curl_headers();
28 logger('scrape_dfrn: headers=' . $headers, LOGGER_DEBUG);
31 $lines = explode("\n",$headers);
33 foreach($lines as $line) {
34 // don't try and run feeds through the html5 parser
35 if(stristr($line,'content-type:') && ((stristr($line,'application/atom+xml')) || (stristr($line,'application/rss+xml'))))
41 $dom = HTML5_Parser::parse($s);
42 } catch (DOMException $e) {
43 logger('scrape_dfrn: parse error: ' . $e);
49 $items = $dom->getElementsByTagName('link');
51 // get DFRN link elements
53 foreach($items as $item) {
54 $x = $item->getAttribute('rel');
55 if(($x === 'alternate') && ($item->getAttribute('type') === 'application/atom+xml'))
56 $ret['feed_atom'] = $item->getAttribute('href');
57 if(substr($x,0,5) == "dfrn-") {
58 $ret[$x] = $item->getAttribute('href');
61 $decoded = urldecode($item->getAttribute('href'));
62 if(preg_match('/acct:([^@]*)@/',$decoded,$matches))
63 $ret['nick'] = $matches[1];
67 // Pull out hCard profile elements
71 $items = $dom->getElementsByTagName('*');
72 foreach($items as $item) {
73 if(attribute_contains($item->getAttribute('class'), 'vcard')) {
74 $level2 = $item->getElementsByTagName('*');
75 foreach($level2 as $x) {
76 if(attribute_contains($x->getAttribute('class'),'fn')) {
77 $ret['fn'] = $x->textContent;
79 if((attribute_contains($x->getAttribute('class'),'photo'))
80 || (attribute_contains($x->getAttribute('class'),'avatar'))) {
81 $size = intval($x->getAttribute('width'));
82 // dfrn prefers 175, so if we find this, we set largest_size so it can't be topped.
83 if(($size > $largest_photo) || ($size == 175) || (! $largest_photo)) {
84 $ret['photo'] = $x->getAttribute('src');
85 $largest_photo = (($size == 175) ? 9999 : $size);
88 if(attribute_contains($x->getAttribute('class'),'key')) {
89 $ret['key'] = $x->textContent;
103 if(! function_exists('validate_dfrn')) {
104 function validate_dfrn($a) {
108 if(! x($a,'dfrn-request'))
110 if(! x($a,'dfrn-confirm'))
112 if(! x($a,'dfrn-notify'))
114 if(! x($a,'dfrn-poll'))
119 if(! function_exists('scrape_meta')) {
120 function scrape_meta($url) {
126 logger('scrape_meta: url=' . $url);
128 $s = fetch_url($url);
133 $headers = $a->get_curl_headers();
134 logger('scrape_meta: headers=' . $headers, LOGGER_DEBUG);
136 $lines = explode("\n",$headers);
138 foreach($lines as $line) {
139 // don't try and run feeds through the html5 parser
140 if(stristr($line,'content-type:') && ((stristr($line,'application/atom+xml')) || (stristr($line,'application/rss+xml'))))
146 $dom = HTML5_Parser::parse($s);
147 } catch (DOMException $e) {
148 logger('scrape_meta: parse error: ' . $e);
154 $items = $dom->getElementsByTagName('meta');
156 // get DFRN link elements
158 foreach($items as $item) {
159 $x = $item->getAttribute('name');
160 if(substr($x,0,5) == "dfrn-")
161 $ret[$x] = $item->getAttribute('content');
168 if(! function_exists('scrape_vcard')) {
169 function scrape_vcard($url) {
175 logger('scrape_vcard: url=' . $url);
177 $s = fetch_url($url);
182 $headers = $a->get_curl_headers();
183 $lines = explode("\n",$headers);
185 foreach($lines as $line) {
186 // don't try and run feeds through the html5 parser
187 if(stristr($line,'content-type:') && ((stristr($line,'application/atom+xml')) || (stristr($line,'application/rss+xml'))))
193 $dom = HTML5_Parser::parse($s);
194 } catch (DOMException $e) {
195 logger('scrape_vcard: parse error: ' . $e);
201 // Pull out hCard profile elements
205 $items = $dom->getElementsByTagName('*');
206 foreach($items as $item) {
207 if(attribute_contains($item->getAttribute('class'), 'vcard')) {
208 $level2 = $item->getElementsByTagName('*');
209 foreach($level2 as $x) {
210 if(attribute_contains($x->getAttribute('class'),'fn'))
211 $ret['fn'] = $x->textContent;
212 if((attribute_contains($x->getAttribute('class'),'photo'))
213 || (attribute_contains($x->getAttribute('class'),'avatar'))) {
214 $size = intval($x->getAttribute('width'));
215 if(($size > $largest_photo) || (! $largest_photo)) {
216 $ret['photo'] = $x->getAttribute('src');
217 $largest_photo = $size;
220 if((attribute_contains($x->getAttribute('class'),'nickname'))
221 || (attribute_contains($x->getAttribute('class'),'uid'))) {
222 $ret['nick'] = $x->textContent;
232 if(! function_exists('scrape_feed')) {
233 function scrape_feed($url) {
238 $s = fetch_url($url);
240 $headers = $a->get_curl_headers();
241 $code = $a->get_curl_code();
243 logger('scrape_feed: returns: ' . $code . ' headers=' . $headers, LOGGER_DEBUG);
246 logger('scrape_feed: no data returned for ' . $url);
251 $lines = explode("\n",$headers);
253 foreach($lines as $line) {
254 if(stristr($line,'content-type:')) {
255 if(stristr($line,'application/atom+xml') || stristr($s,'<feed')) {
256 $ret['feed_atom'] = $url;
259 if(stristr($line,'application/rss+xml') || stristr($s,'<rss')) {
260 $ret['feed_rss'] = $url;
265 // perhaps an RSS version 1 feed with a generic or incorrect content-type?
266 if(stristr($s,'</item>')) {
267 $ret['feed_rss'] = $url;
272 $basename = implode('/', array_slice(explode('/',$url),0,3)) . '/';
274 $doc = new DOMDocument();
276 $xpath = new DomXPath($doc);
278 $base = $xpath->query("//base");
279 foreach ($base as $node) {
282 if ($node->attributes->length)
283 foreach ($node->attributes as $attribute)
284 $attr[$attribute->name] = $attribute->value;
286 if ($attr["href"] != "")
287 $basename = $attr["href"] ;
290 $list = $xpath->query("//link");
291 foreach ($list as $node) {
294 if ($node->attributes->length)
295 foreach ($node->attributes as $attribute)
296 $attr[$attribute->name] = $attribute->value;
298 if (($attr["rel"] == "alternate") AND ($attr["type"] == "application/atom+xml"))
299 $ret["feed_atom"] = $attr["href"];
301 if (($attr["rel"] == "alternate") AND ($attr["type"] == "application/rss+xml"))
302 $ret["feed_rss"] = $attr["href"];
305 // Drupal and perhaps others only provide relative URLs. Turn them into absolute.
307 if(x($ret,'feed_atom') && (! strstr($ret['feed_atom'],'://')))
308 $ret['feed_atom'] = $basename . $ret['feed_atom'];
309 if(x($ret,'feed_rss') && (! strstr($ret['feed_rss'],'://')))
310 $ret['feed_rss'] = $basename . $ret['feed_rss'];
318 * Probe a network address to discover what kind of protocols we need to communicate with it.
320 * Warning: this function is a bit touchy and there are some subtle dependencies within the logic flow.
327 * PROBE_DIASPORA has a bias towards returning Diaspora information
328 * while PROBE_NORMAL has a bias towards dfrn/zot - in the case where
329 * an address (such as a Friendica address) supports more than one type
335 define ( 'PROBE_NORMAL', 0);
336 define ( 'PROBE_DIASPORA', 1);
338 function probe_url($url, $mode = PROBE_NORMAL, $level = 1) {
339 require_once('include/email.php');
346 $result = Cache::get("probe_url:".$mode.":".$url);
347 if (!is_null($result)) {
348 $result = unserialize($result);
358 $email_conversant = false;
359 $connectornetworks = false;
362 if (strpos($url,'twitter.com')) {
363 $connectornetworks = true;
364 $network = NETWORK_TWITTER;
367 // Twitter is deactivated since twitter closed its old API
368 //$twitter = ((strpos($url,'twitter.com') !== false) ? true : false);
369 $lastfm = ((strpos($url,'last.fm/user') !== false) ? true : false);
371 $at_addr = ((strpos($url,'@') !== false) ? true : false);
373 if((!$appnet) && (!$lastfm) && !$connectornetworks) {
375 if(strpos($url,'mailto:') !== false && $at_addr) {
376 $url = str_replace('mailto:','',$url);
385 logger('probe_url: found lrdd links: ' . print_r($links,true), LOGGER_DATA);
386 foreach($links as $link) {
387 if($link['@attributes']['rel'] === NAMESPACE_ZOT)
388 $zot = unamp($link['@attributes']['href']);
389 if($link['@attributes']['rel'] === NAMESPACE_DFRN)
390 $dfrn = unamp($link['@attributes']['href']);
391 if($link['@attributes']['rel'] === 'salmon')
392 $notify = unamp($link['@attributes']['href']);
393 if($link['@attributes']['rel'] === NAMESPACE_FEED)
394 $poll = unamp($link['@attributes']['href']);
395 if($link['@attributes']['rel'] === 'http://microformats.org/profile/hcard')
396 $hcard = unamp($link['@attributes']['href']);
397 if($link['@attributes']['rel'] === 'http://webfinger.net/rel/profile-page')
398 $profile = unamp($link['@attributes']['href']);
399 if($link['@attributes']['rel'] === 'http://portablecontacts.net/spec/1.0')
400 $poco = unamp($link['@attributes']['href']);
401 if($link['@attributes']['rel'] === 'http://joindiaspora.com/seed_location') {
402 $diaspora_base = unamp($link['@attributes']['href']);
405 if($link['@attributes']['rel'] === 'http://joindiaspora.com/guid') {
406 $diaspora_guid = unamp($link['@attributes']['href']);
409 if($link['@attributes']['rel'] === 'diaspora-public-key') {
410 $diaspora_key = base64_decode(unamp($link['@attributes']['href']));
411 if(strstr($diaspora_key,'RSA '))
412 $pubkey = rsatopem($diaspora_key);
414 $pubkey = $diaspora_key;
417 if(($link['@attributes']['rel'] === 'http://ostatus.org/schema/1.0/subscribe') AND ($mode == PROBE_NORMAL)) {
422 // Status.Net can have more than one profile URL. We need to match the profile URL
423 // to a contact on incoming messages to prevent spam, and we won't know which one
424 // to match. So in case of two, one of them is stored as an alias. Only store URL's
425 // and not webfinger user@host aliases. If they've got more than two non-email style
426 // aliases, let's hope we're lucky and get one that matches the feed author-uri because
427 // otherwise we're screwed.
429 foreach($links as $link) {
430 if($link['@attributes']['rel'] === 'alias') {
431 if(strpos($link['@attributes']['href'],'@') === false) {
432 if(isset($profile)) {
433 if($link['@attributes']['href'] !== $profile)
434 $alias = unamp($link['@attributes']['href']);
437 $profile = unamp($link['@attributes']['href']);
442 // If the profile is different from the url then the url is abviously an alias
443 if (($alias == "") AND ($profile != "") AND !$at_addr AND (normalise_link($profile) != normalise_link($url)))
446 elseif($mode == PROBE_NORMAL) {
451 if((strpos($orig_url,'@')) && validate_email($orig_url)) {
452 $x = q("SELECT `prvkey` FROM `user` WHERE `uid` = %d LIMIT 1",
455 $r = q("SELECT * FROM `mailacct` WHERE `uid` = %d AND `server` != '' LIMIT 1",
458 if(count($x) && count($r)) {
459 $mailbox = construct_mailbox_name($r[0]);
461 openssl_private_decrypt(hex2bin($r[0]['pass']),$password,$x[0]['prvkey']);
462 $mbox = email_connect($mailbox,$r[0]['user'],$password);
464 logger('probe_url: email_connect failed.');
468 $msgs = email_poll($mbox,$orig_url);
469 logger('probe_url: searching ' . $orig_url . ', ' . count($msgs) . ' messages found.', LOGGER_DEBUG);
472 $network = NETWORK_MAIL;
473 $name = substr($url,0,strpos($url,'@'));
474 $phost = substr($url,strpos($url,'@')+1);
475 $profile = 'http://' . $phost;
476 // fix nick character range
477 $vcard = array('fn' => $name, 'nick' => $name, 'photo' => avatar_img($url));
478 $notify = 'smtp ' . random_string();
479 $poll = 'email ' . random_string();
481 $x = email_msg_meta($mbox,$msgs[0]);
482 if(stristr($x[0]->from,$orig_url))
483 $adr = imap_rfc822_parse_adrlist($x[0]->from,'');
484 elseif(stristr($x[0]->to,$orig_url))
485 $adr = imap_rfc822_parse_adrlist($x[0]->to,'');
487 foreach($adr as $feadr) {
488 if((strcasecmp($feadr->mailbox,$name) == 0)
489 &&(strcasecmp($feadr->host,$phost) == 0)
490 && (strlen($feadr->personal))) {
492 $personal = imap_mime_header_decode($feadr->personal);
494 foreach($personal as $perspart)
495 if ($perspart->charset != "default")
496 $vcard['fn'] .= iconv($perspart->charset, 'UTF-8//IGNORE', $perspart->text);
498 $vcard['fn'] .= $perspart->text;
500 $vcard['fn'] = notags($vcard['fn']);
511 if($mode == PROBE_NORMAL) {
514 $s = fetch_url($zot);
516 $j = json_decode($s);
518 $network = NETWORK_ZOT;
520 'fn' => $j->fullname,
521 'nick' => $j->nickname,
526 $pubkey = $j->pubkey;
534 $ret = scrape_dfrn(($hcard) ? $hcard : $dfrn, true);
535 if(is_array($ret) && x($ret,'dfrn-request')) {
536 $network = NETWORK_DFRN;
537 $request = $ret['dfrn-request'];
538 $confirm = $ret['dfrn-confirm'];
539 $notify = $ret['dfrn-notify'];
540 $poll = $ret['dfrn-poll'];
543 $vcard['fn'] = $ret['fn'];
544 $vcard['nick'] = $ret['nick'];
545 $vcard['photo'] = $ret['photo'];
550 if($diaspora && $diaspora_base && $diaspora_guid) {
551 if($mode == PROBE_DIASPORA || ! $notify) {
552 $notify = $diaspora_base . 'receive/users/' . $diaspora_guid;
553 $batch = $diaspora_base . 'receive/public' ;
556 $addr = str_replace('acct:', '', $url);
559 if($network !== NETWORK_ZOT && $network !== NETWORK_DFRN && $network !== NETWORK_MAIL) {
561 $network = NETWORK_DIASPORA;
562 elseif($has_lrdd AND ($notify))
563 $network = NETWORK_OSTATUS;
566 $addr = str_replace('acct:', '', $url);
570 if($hcard && ! $vcard) {
571 $vcard = scrape_vcard($hcard);
573 // Google doesn't use absolute url in profile photos
575 if((x($vcard,'photo')) && substr($vcard['photo'],0,1) == '/') {
576 $h = @parse_url($hcard);
578 $vcard['photo'] = $h['scheme'] . '://' . $h['host'] . $vcard['photo'];
581 logger('probe_url: scrape_vcard: ' . print_r($vcard,true), LOGGER_DATA);
584 if($diaspora && $addr) {
585 // Diaspora returns the name as the nick. As the nick will never be updated,
586 // let's use the Diaspora nickname (the first part of the handle) as the nick instead
587 $addr_parts = explode('@', $addr);
588 $vcard['nick'] = $addr_parts[0];
592 logger('twitter: setup');
593 $tid = basename($url);
594 $tapi = 'https://api.twitter.com/1/statuses/user_timeline.rss';
596 $poll = $tapi . '?user_id=' . $tid;
598 $poll = $tapi . '?screen_name=' . $tid;
599 $profile = 'http://twitter.com/#!/' . $tid;
600 //$vcard['photo'] = 'https://api.twitter.com/1/users/profile_image/' . $tid;
601 $vcard['photo'] = 'https://api.twitter.com/1/users/profile_image?screen_name=' . $tid . '&size=bigger';
602 $vcard['nick'] = $tid;
608 $poll = str_replace(array('www.','last.fm/'),array('','ws.audioscrobbler.com/1.0/'),$url) . '/recenttracks.rss';
609 $vcard['nick'] = basename($url);
610 $vcard['fn'] = $vcard['nick'] . t(' on Last.fm');
611 $network = NETWORK_FEED;
616 $vcard['fn'] = $vcard['nick'];
620 if(stristr($url,'tumblr.com') && (! stristr($url,'/rss'))) {
621 $poll = $url . '/rss';
623 // Will leave it to others to figure out how to grab the avatar, which is on the $url page in the open graph meta links
626 if($appnet || ! $poll)
628 if((! isset($vcard)) || (! x($vcard,'fn')) || (! $profile))
630 if(($at_addr) && (! count($links)))
633 if ($connectornetworks)
638 $feedret = scrape_feed(($poll) ? $poll : $url);
640 logger('probe_url: scrape_feed ' . (($poll)? $poll : $url) . ' returns: ' . print_r($feedret,true), LOGGER_DATA);
641 if(count($feedret) && ($feedret['feed_atom'] || $feedret['feed_rss'])) {
642 $poll = ((x($feedret,'feed_atom')) ? unamp($feedret['feed_atom']) : unamp($feedret['feed_rss']));
647 if(x($feedret,'photo') && (! x($vcard,'photo')))
648 $vcard['photo'] = $feedret['photo'];
649 require_once('library/simplepie/simplepie.inc');
650 $feed = new SimplePie();
651 $xml = fetch_url($poll);
653 logger('probe_url: fetch feed: ' . $poll . ' returns: ' . $xml, LOGGER_DATA);
656 logger('probe_url: scrape_feed: headers: ' . $a->get_curl_headers(), LOGGER_DATA);
658 // Don't try and parse an empty string
659 $feed->set_raw_data(($xml) ? $xml : '<?xml version="1.0" encoding="utf-8" ?><xml></xml>');
663 logger('probe_url: scrape_feed: Error parsing XML: ' . $feed->error());
664 $network = NETWORK_PHANTOM;
667 if(! x($vcard,'photo'))
668 $vcard['photo'] = $feed->get_image_url();
669 $author = $feed->get_author();
672 $vcard['fn'] = unxmlify(trim($author->get_name()));
674 $vcard['fn'] = trim(unxmlify($author->get_email()));
675 if(strpos($vcard['fn'],'@') !== false)
676 $vcard['fn'] = substr($vcard['fn'],0,strpos($vcard['fn'],'@'));
678 $email = unxmlify($author->get_email());
679 if(! $profile && $author->get_link())
680 $profile = trim(unxmlify($author->get_link()));
681 if(! $vcard['photo']) {
682 $rawtags = $feed->get_feed_tags( SIMPLEPIE_NAMESPACE_ATOM_10, 'author');
684 $elems = $rawtags[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10];
685 if((x($elems,'link')) && ($elems['link'][0]['attribs']['']['rel'] === 'photo'))
686 $vcard['photo'] = $elems['link'][0]['attribs']['']['href'];
689 // Fetch fullname via poco:displayName
690 $pocotags = $feed->get_feed_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'author');
692 $elems = $pocotags[0]['child']['http://portablecontacts.net/spec/1.0'];
693 if (isset($elems["displayName"]))
694 $vcard['fn'] = $elems["displayName"][0]["data"];
695 if (isset($elems["preferredUsername"]))
696 $vcard['nick'] = $elems["preferredUsername"][0]["data"];
700 $item = $feed->get_item(0);
702 $author = $item->get_author();
704 $vcard['fn'] = trim(unxmlify($author->get_name()));
706 $vcard['fn'] = trim(unxmlify($author->get_email()));
707 if(strpos($vcard['fn'],'@') !== false)
708 $vcard['fn'] = substr($vcard['fn'],0,strpos($vcard['fn'],'@'));
709 $email = unxmlify($author->get_email());
710 if(! $profile && $author->get_link())
711 $profile = trim(unxmlify($author->get_link()));
713 if(! $vcard['photo']) {
714 $rawmedia = $item->get_item_tags('http://search.yahoo.com/mrss/','thumbnail');
715 if($rawmedia && $rawmedia[0]['attribs']['']['url'])
716 $vcard['photo'] = unxmlify($rawmedia[0]['attribs']['']['url']);
718 if(! $vcard['photo']) {
719 $rawtags = $item->get_item_tags( SIMPLEPIE_NAMESPACE_ATOM_10, 'author');
721 $elems = $rawtags[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10];
722 if((x($elems,'link')) && ($elems['link'][0]['attribs']['']['rel'] === 'photo'))
723 $vcard['photo'] = $elems['link'][0]['attribs']['']['href'];
729 if((! $vcard['photo']) && strlen($email))
730 $vcard['photo'] = avatar_img($email);
731 if($poll === $profile)
732 $lnk = $feed->get_permalink();
733 if(isset($lnk) && strlen($lnk))
737 $network = NETWORK_FEED;
738 // If it is a feed, don't take the author name as feed name
741 if(! (x($vcard,'fn')))
742 $vcard['fn'] = notags($feed->get_title());
743 if(! (x($vcard,'fn')))
744 $vcard['fn'] = notags($feed->get_description());
746 if(strpos($vcard['fn'],'Twitter / ') !== false) {
747 $vcard['fn'] = substr($vcard['fn'],strpos($vcard['fn'],'/')+1);
748 $vcard['fn'] = trim($vcard['fn']);
750 if(! x($vcard,'nick')) {
751 $vcard['nick'] = strtolower(notags(unxmlify($vcard['fn'])));
752 if(strpos($vcard['nick'],' '))
753 $vcard['nick'] = trim(substr($vcard['nick'],0,strpos($vcard['nick'],' ')));
760 if(! x($vcard,'photo')) {
762 $vcard['photo'] = $a->get_baseurl() . '/images/person-175.jpg' ;
768 // No human could be associated with this link, use the URL as the contact name
770 if(($network === NETWORK_FEED) && ($poll) && (! x($vcard,'fn')))
773 if (($notify != "") AND ($poll != "")) {
774 $baseurl = matching(normalise_link($notify), normalise_link($poll));
776 $baseurl2 = matching($baseurl, normalise_link($profile));
778 $baseurl = $baseurl2;
781 if (($baseurl == "") AND ($notify != ""))
782 $baseurl = matching(normalise_link($profile), normalise_link($notify));
784 if (($baseurl == "") AND ($poll != ""))
785 $baseurl = matching(normalise_link($profile), normalise_link($poll));
787 $baseurl = rtrim($baseurl, "/");
789 if(strpos($url,'@') AND ($addr == "") AND ($network == NETWORK_DFRN))
790 $addr = str_replace('acct:', '', $url);
792 $vcard['fn'] = notags($vcard['fn']);
793 $vcard['nick'] = str_replace(' ','',notags($vcard['nick']));
795 $result['name'] = $vcard['fn'];
796 $result['nick'] = $vcard['nick'];
797 $result['url'] = $profile;
798 $result['addr'] = $addr;
799 $result['batch'] = $batch;
800 $result['notify'] = $notify;
801 $result['poll'] = $poll;
802 $result['request'] = $request;
803 $result['confirm'] = $confirm;
804 $result['poco'] = $poco;
805 $result['photo'] = $vcard['photo'];
806 $result['priority'] = $priority;
807 $result['network'] = $network;
808 $result['alias'] = $alias;
809 $result['pubkey'] = $pubkey;
810 $result['baseurl'] = $baseurl;
812 logger('probe_url: ' . print_r($result,true), LOGGER_DEBUG);
815 // Trying if it maybe a diaspora account
816 if (($result['network'] == NETWORK_FEED) OR ($result['addr'] == "")) {
817 require_once('include/bbcode.php');
818 $address = GetProfileUsername($url, "", true);
819 $result2 = probe_url($address, $mode, ++$level);
820 if ($result2['network'] != "")
824 // Maybe it's some non standard GNU Social installation (Single user, subfolder or no uri rewrite)
825 if (($result['network'] == NETWORK_FEED) AND ($result['baseurl'] != "") AND ($result['nick'] != "")) {
826 $addr = $result['nick'].'@'.str_replace("http://", "", $result['baseurl']);
827 $result2 = probe_url($addr, $mode, ++$level);
828 if (($result2['network'] != "") AND ($result2['network'] != NETWORK_FEED))
833 // Only store into the cache if the value seems to be valid
834 if ($result['network'] != NETWORK_FEED)
835 Cache::set("probe_url:".$mode.":".$url,serialize($result), CACHE_DAY);
840 function matching($part1, $part2) {
841 $len = min(strlen($part1), strlen($part2));
846 while (($i <= $len) AND $matching) {
847 if (substr($part1, $i, 1) == substr($part2, $i, 1))
848 $match .= substr($part1, $i, 1);