- require_once('include/email.php');
-
- $result = array();
-
- if(! $url)
- return $result;
-
- $result = Cache::get("probe_url:".$mode.":".$url);
- if (!is_null($result)) {
- $result = unserialize($result);
- return $result;
- }
-
- $network = null;
- $diaspora = false;
- $diaspora_base = '';
- $diaspora_guid = '';
- $diaspora_key = '';
- $has_lrdd = false;
- $email_conversant = false;
- $connectornetworks = false;
- $appnet = false;
-
- if (strpos($url,'twitter.com')) {
- $connectornetworks = true;
- $network = NETWORK_TWITTER;
- }
-
- // Twitter is deactivated since twitter closed its old API
- //$twitter = ((strpos($url,'twitter.com') !== false) ? true : false);
- $lastfm = ((strpos($url,'last.fm/user') !== false) ? true : false);
-
- $at_addr = ((strpos($url,'@') !== false) ? true : false);
-
- if((!$appnet) && (!$lastfm) && !$connectornetworks) {
-
- if(strpos($url,'mailto:') !== false && $at_addr) {
- $url = str_replace('mailto:','',$url);
- $links = array();
- }
- else
- $links = lrdd($url);
-
- if(count($links)) {
- $has_lrdd = true;
-
- logger('probe_url: found lrdd links: ' . print_r($links,true), LOGGER_DATA);
- foreach($links as $link) {
- if($link['@attributes']['rel'] === NAMESPACE_ZOT)
- $zot = unamp($link['@attributes']['href']);
- if($link['@attributes']['rel'] === NAMESPACE_DFRN)
- $dfrn = unamp($link['@attributes']['href']);
- if($link['@attributes']['rel'] === 'salmon')
- $notify = unamp($link['@attributes']['href']);
- if($link['@attributes']['rel'] === NAMESPACE_FEED)
- $poll = unamp($link['@attributes']['href']);
- if($link['@attributes']['rel'] === 'http://microformats.org/profile/hcard')
- $hcard = unamp($link['@attributes']['href']);
- if($link['@attributes']['rel'] === 'http://webfinger.net/rel/profile-page')
- $profile = unamp($link['@attributes']['href']);
- if($link['@attributes']['rel'] === 'http://portablecontacts.net/spec/1.0')
- $poco = unamp($link['@attributes']['href']);
- if($link['@attributes']['rel'] === 'http://joindiaspora.com/seed_location') {
- $diaspora_base = unamp($link['@attributes']['href']);
- $diaspora = true;
- }
- if($link['@attributes']['rel'] === 'http://joindiaspora.com/guid') {
- $diaspora_guid = unamp($link['@attributes']['href']);
- $diaspora = true;
- }
- if($link['@attributes']['rel'] === 'diaspora-public-key') {
- $diaspora_key = base64_decode(unamp($link['@attributes']['href']));
- if(strstr($diaspora_key,'RSA '))
- $pubkey = rsatopem($diaspora_key);
- else
- $pubkey = $diaspora_key;
- $diaspora = true;
- }
- if($link['@attributes']['rel'] === 'http://ostatus.org/schema/1.0/subscribe') {
- $diaspora = false;
- }
- }
-
- // Status.Net can have more than one profile URL. We need to match the profile URL
- // to a contact on incoming messages to prevent spam, and we won't know which one
- // to match. So in case of two, one of them is stored as an alias. Only store URL's
- // and not webfinger user@host aliases. If they've got more than two non-email style
- // aliases, let's hope we're lucky and get one that matches the feed author-uri because
- // otherwise we're screwed.
-
- foreach($links as $link) {
- if($link['@attributes']['rel'] === 'alias') {
- if(strpos($link['@attributes']['href'],'@') === false) {
- if(isset($profile)) {
- if($link['@attributes']['href'] !== $profile)
- $alias = unamp($link['@attributes']['href']);
- }
- else
- $profile = unamp($link['@attributes']['href']);
- }
- }
- }
-
- // If the profile is different from the url then the url is abviously an alias
- if (($alias == "") AND ($profile != "") AND !$at_addr AND (normalise_link($profile) != normalise_link($url)))
- $alias = $url;
- }
- elseif($mode == PROBE_NORMAL) {
-
- // Check email
-
- $orig_url = $url;
- if((strpos($orig_url,'@')) && validate_email($orig_url)) {
- $x = q("SELECT `prvkey` FROM `user` WHERE `uid` = %d LIMIT 1",
- intval(local_user())
- );
- $r = q("SELECT * FROM `mailacct` WHERE `uid` = %d AND `server` != '' LIMIT 1",
- intval(local_user())
- );
- if(count($x) && count($r)) {
- $mailbox = construct_mailbox_name($r[0]);
- $password = '';
- openssl_private_decrypt(hex2bin($r[0]['pass']),$password,$x[0]['prvkey']);
- $mbox = email_connect($mailbox,$r[0]['user'],$password);
- if(! $mbox)
- logger('probe_url: email_connect failed.');
- unset($password);
- }
- if($mbox) {
- $msgs = email_poll($mbox,$orig_url);
- logger('probe_url: searching ' . $orig_url . ', ' . count($msgs) . ' messages found.', LOGGER_DEBUG);
- if(count($msgs)) {
- $addr = $orig_url;
- $network = NETWORK_MAIL;
- $name = substr($url,0,strpos($url,'@'));
- $phost = substr($url,strpos($url,'@')+1);
- $profile = 'http://' . $phost;
- // fix nick character range
- $vcard = array('fn' => $name, 'nick' => $name, 'photo' => avatar_img($url));
- $notify = 'smtp ' . random_string();
- $poll = 'email ' . random_string();
- $priority = 0;
- $x = email_msg_meta($mbox,$msgs[0]);
- if(stristr($x[0]->from,$orig_url))
- $adr = imap_rfc822_parse_adrlist($x[0]->from,'');
- elseif(stristr($x[0]->to,$orig_url))
- $adr = imap_rfc822_parse_adrlist($x[0]->to,'');
- if(isset($adr)) {
- foreach($adr as $feadr) {
- if((strcasecmp($feadr->mailbox,$name) == 0)
- &&(strcasecmp($feadr->host,$phost) == 0)
- && (strlen($feadr->personal))) {
-
- $personal = imap_mime_header_decode($feadr->personal);
- $vcard['fn'] = "";
- foreach($personal as $perspart)
- if ($perspart->charset != "default")
- $vcard['fn'] .= iconv($perspart->charset, 'UTF-8//IGNORE', $perspart->text);
- else
- $vcard['fn'] .= $perspart->text;
-
- $vcard['fn'] = notags($vcard['fn']);
- }
- }
- }
- }
- imap_close($mbox);
- }
- }
- }
- }
-
- if($mode == PROBE_NORMAL) {
-
- if(strlen($zot)) {
- $s = fetch_url($zot);
- if($s) {
- $j = json_decode($s);
- if($j) {
- $network = NETWORK_ZOT;
- $vcard = array(
- 'fn' => $j->fullname,
- 'nick' => $j->nickname,
- 'photo' => $j->photo
- );
- $profile = $j->url;
- $notify = $j->post;
- $pubkey = $j->pubkey;
- $poll = 'N/A';
- }
- }
- }
-
-
- if(strlen($dfrn)) {
- $ret = scrape_dfrn(($hcard) ? $hcard : $dfrn);
- if(is_array($ret) && x($ret,'dfrn-request')) {
- $network = NETWORK_DFRN;
- $request = $ret['dfrn-request'];
- $confirm = $ret['dfrn-confirm'];
- $notify = $ret['dfrn-notify'];
- $poll = $ret['dfrn-poll'];
-
- $vcard = array();
- $vcard['fn'] = $ret['fn'];
- $vcard['nick'] = $ret['nick'];
- $vcard['photo'] = $ret['photo'];
- }
- }
- }
-
- if($diaspora && $diaspora_base && $diaspora_guid) {
- if($mode == PROBE_DIASPORA || ! $notify) {
- $notify = $diaspora_base . 'receive/users/' . $diaspora_guid;
- $batch = $diaspora_base . 'receive/public' ;
- }
- if(strpos($url,'@'))
- $addr = str_replace('acct:', '', $url);
- }
-
- if($network !== NETWORK_ZOT && $network !== NETWORK_DFRN && $network !== NETWORK_MAIL) {
- if($diaspora)
- $network = NETWORK_DIASPORA;
- elseif($has_lrdd AND ($notify))
- $network = NETWORK_OSTATUS;
-
- if(strpos($url,'@'))
- $addr = str_replace('acct:', '', $url);
-
- $priority = 0;
-
- if($hcard && ! $vcard) {
- $vcard = scrape_vcard($hcard);
-
- // Google doesn't use absolute url in profile photos
-
- if((x($vcard,'photo')) && substr($vcard['photo'],0,1) == '/') {
- $h = @parse_url($hcard);
- if($h)
- $vcard['photo'] = $h['scheme'] . '://' . $h['host'] . $vcard['photo'];
- }
-
- logger('probe_url: scrape_vcard: ' . print_r($vcard,true), LOGGER_DATA);
- }
-
- if($diaspora && $addr) {
- // Diaspora returns the name as the nick. As the nick will never be updated,
- // let's use the Diaspora nickname (the first part of the handle) as the nick instead
- $addr_parts = explode('@', $addr);
- $vcard['nick'] = $addr_parts[0];
- }
-
- /* if($twitter) {
- logger('twitter: setup');
- $tid = basename($url);
- $tapi = 'https://api.twitter.com/1/statuses/user_timeline.rss';
- if(intval($tid))
- $poll = $tapi . '?user_id=' . $tid;
- else
- $poll = $tapi . '?screen_name=' . $tid;
- $profile = 'http://twitter.com/#!/' . $tid;
- //$vcard['photo'] = 'https://api.twitter.com/1/users/profile_image/' . $tid;
- $vcard['photo'] = 'https://api.twitter.com/1/users/profile_image?screen_name=' . $tid . '&size=bigger';
- $vcard['nick'] = $tid;
- $vcard['fn'] = $tid;
- } */
-
- if($lastfm) {
- $profile = $url;
- $poll = str_replace(array('www.','last.fm/'),array('','ws.audioscrobbler.com/1.0/'),$url) . '/recenttracks.rss';
- $vcard['nick'] = basename($url);
- $vcard['fn'] = $vcard['nick'] . t(' on Last.fm');
- $network = NETWORK_FEED;
- }
-
- if(! x($vcard,'fn'))
- if(x($vcard,'nick'))
- $vcard['fn'] = $vcard['nick'];
-
- $check_feed = false;
-
- if(stristr($url,'tumblr.com') && (! stristr($url,'/rss'))) {
- $poll = $url . '/rss';
- $check_feed = true;
- // Will leave it to others to figure out how to grab the avatar, which is on the $url page in the open graph meta links
- }
-
- if($appnet || ! $poll)
- $check_feed = true;
- if((! isset($vcard)) || (! x($vcard,'fn')) || (! $profile))
- $check_feed = true;
- if(($at_addr) && (! count($links)))
- $check_feed = false;
-
- if ($connectornetworks)
- $check_feed = false;
-
- if($check_feed) {
-
- $feedret = scrape_feed(($poll) ? $poll : $url);
-
- logger('probe_url: scrape_feed ' . (($poll)? $poll : $url) . ' returns: ' . print_r($feedret,true), LOGGER_DATA);
- if(count($feedret) && ($feedret['feed_atom'] || $feedret['feed_rss'])) {
- $poll = ((x($feedret,'feed_atom')) ? unamp($feedret['feed_atom']) : unamp($feedret['feed_rss']));
- if(! x($vcard))
- $vcard = array();
- }
-
- if(x($feedret,'photo') && (! x($vcard,'photo')))
- $vcard['photo'] = $feedret['photo'];
- require_once('library/simplepie/simplepie.inc');
- $feed = new SimplePie();
- $xml = fetch_url($poll);
-
- logger('probe_url: fetch feed: ' . $poll . ' returns: ' . $xml, LOGGER_DATA);
- $a = get_app();
-
- logger('probe_url: scrape_feed: headers: ' . $a->get_curl_headers(), LOGGER_DATA);
-
- // Don't try and parse an empty string
- $feed->set_raw_data(($xml) ? $xml : '<?xml version="1.0" encoding="utf-8" ?><xml></xml>');
-
- $feed->init();
- if($feed->error()) {
- logger('probe_url: scrape_feed: Error parsing XML: ' . $feed->error());
- $network = NETWORK_PHANTOM;
- }
-
- if(! x($vcard,'photo'))
- $vcard['photo'] = $feed->get_image_url();
- $author = $feed->get_author();
-
- if($author) {
- $vcard['fn'] = unxmlify(trim($author->get_name()));
- if(! $vcard['fn'])
- $vcard['fn'] = trim(unxmlify($author->get_email()));
- if(strpos($vcard['fn'],'@') !== false)
- $vcard['fn'] = substr($vcard['fn'],0,strpos($vcard['fn'],'@'));
-
- $email = unxmlify($author->get_email());
- if(! $profile && $author->get_link())
- $profile = trim(unxmlify($author->get_link()));
- if(! $vcard['photo']) {
- $rawtags = $feed->get_feed_tags( SIMPLEPIE_NAMESPACE_ATOM_10, 'author');
- if($rawtags) {
- $elems = $rawtags[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10];
- if((x($elems,'link')) && ($elems['link'][0]['attribs']['']['rel'] === 'photo'))
- $vcard['photo'] = $elems['link'][0]['attribs']['']['href'];
- }
- }
- // Fetch fullname via poco:displayName
- $pocotags = $feed->get_feed_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'author');
- if ($pocotags) {
- $elems = $pocotags[0]['child']['http://portablecontacts.net/spec/1.0'];
- if (isset($elems["displayName"]))
- $vcard['fn'] = $elems["displayName"][0]["data"];
- if (isset($elems["preferredUsername"]))
- $vcard['nick'] = $elems["preferredUsername"][0]["data"];
- }
- }
- else {
- $item = $feed->get_item(0);
- if($item) {
- $author = $item->get_author();
- if($author) {
- $vcard['fn'] = trim(unxmlify($author->get_name()));
- if(! $vcard['fn'])
- $vcard['fn'] = trim(unxmlify($author->get_email()));
- if(strpos($vcard['fn'],'@') !== false)
- $vcard['fn'] = substr($vcard['fn'],0,strpos($vcard['fn'],'@'));
- $email = unxmlify($author->get_email());
- if(! $profile && $author->get_link())
- $profile = trim(unxmlify($author->get_link()));
- }
- if(! $vcard['photo']) {
- $rawmedia = $item->get_item_tags('http://search.yahoo.com/mrss/','thumbnail');
- if($rawmedia && $rawmedia[0]['attribs']['']['url'])
- $vcard['photo'] = unxmlify($rawmedia[0]['attribs']['']['url']);
- }
- if(! $vcard['photo']) {
- $rawtags = $item->get_item_tags( SIMPLEPIE_NAMESPACE_ATOM_10, 'author');
- if($rawtags) {
- $elems = $rawtags[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10];
- if((x($elems,'link')) && ($elems['link'][0]['attribs']['']['rel'] === 'photo'))
- $vcard['photo'] = $elems['link'][0]['attribs']['']['href'];
- }
- }
- }
- }
-
- if((! $vcard['photo']) && strlen($email))
- $vcard['photo'] = avatar_img($email);
- if($poll === $profile)
- $lnk = $feed->get_permalink();
- if(isset($lnk) && strlen($lnk))
- $profile = $lnk;
-
- if(! $network) {
- $network = NETWORK_FEED;
- // If it is a feed, don't take the author name as feed name
- unset($vcard['fn']);
- }
- if(! (x($vcard,'fn')))
- $vcard['fn'] = notags($feed->get_title());
- if(! (x($vcard,'fn')))
- $vcard['fn'] = notags($feed->get_description());
-
- if(strpos($vcard['fn'],'Twitter / ') !== false) {
- $vcard['fn'] = substr($vcard['fn'],strpos($vcard['fn'],'/')+1);
- $vcard['fn'] = trim($vcard['fn']);
- }
- if(! x($vcard,'nick')) {
- $vcard['nick'] = strtolower(notags(unxmlify($vcard['fn'])));
- if(strpos($vcard['nick'],' '))
- $vcard['nick'] = trim(substr($vcard['nick'],0,strpos($vcard['nick'],' ')));
- }
- if(! $priority)
- $priority = 2;
- }
- }
-
- if(! x($vcard,'photo')) {
- $a = get_app();
- $vcard['photo'] = $a->get_baseurl() . '/images/person-175.jpg' ;
- }
-
- if(! $profile)
- $profile = $url;
-
- // No human could be associated with this link, use the URL as the contact name
-
- if(($network === NETWORK_FEED) && ($poll) && (! x($vcard,'fn')))
- $vcard['fn'] = $url;
-
- if (($notify != "") AND ($poll != "")) {
- $baseurl = matching(normalise_link($notify), normalise_link($poll));
-
- $baseurl2 = matching($baseurl, normalise_link($profile));
- if ($baseurl2 != "")
- $baseurl = $baseurl2;
- }
-
- if (($baseurl == "") AND ($notify != ""))
- $baseurl = matching(normalise_link($profile), normalise_link($notify));
-
- if (($baseurl == "") AND ($poll != ""))
- $baseurl = matching(normalise_link($profile), normalise_link($poll));
-
- $baseurl = rtrim($baseurl, "/");
-
- $vcard['fn'] = notags($vcard['fn']);
- $vcard['nick'] = str_replace(' ','',notags($vcard['nick']));
-
- $result['name'] = $vcard['fn'];
- $result['nick'] = $vcard['nick'];
- $result['url'] = $profile;
- $result['addr'] = $addr;
- $result['batch'] = $batch;
- $result['notify'] = $notify;
- $result['poll'] = $poll;
- $result['request'] = $request;
- $result['confirm'] = $confirm;
- $result['poco'] = $poco;
- $result['photo'] = $vcard['photo'];
- $result['priority'] = $priority;
- $result['network'] = $network;
- $result['alias'] = $alias;
- $result['pubkey'] = $pubkey;
- $result['baseurl'] = $baseurl;
-
- logger('probe_url: ' . print_r($result,true), LOGGER_DEBUG);
-
- if ($level == 1) {
- // Trying if it maybe a diaspora account
- if (($result['network'] == NETWORK_FEED) OR ($result['addr'] == "")) {
- require_once('include/bbcode.php');
- $address = GetProfileUsername($url, "", true);
- $result2 = probe_url($address, $mode, ++$level);
- if ($result2['network'] != "")
- $result = $result2;
- }
-
- // Maybe it's some non standard GNU Social installation (Single user, subfolder or no uri rewrite)
- if (($result['network'] == NETWORK_FEED) AND ($result['baseurl'] != "") AND ($result['nick'] != "")) {
- $addr = $result['nick'].'@'.str_replace("http://", "", $result['baseurl']);
- $result2 = probe_url($addr, $mode, ++$level);
- if (($result2['network'] != "") AND ($result2['network'] != NETWORK_FEED))
- $result = $result2;
- }
- }
-
- // Only store into the cache if the value seems to be valid
- if ($result['network'] != NETWORK_FEED)
- Cache::set("probe_url:".$mode.":".$url,serialize($result), CACHE_DAY);
-
- return $result;
-}