function diaspora_discover(&$a, &$b)
{
require_once 'include/network.php';
$result = array();
$network = null;
$diaspora = false;
$diaspora_base = '';
$diaspora_guid = '';
$diaspora_key = '';
$dfrn = false;
$x = old_webfinger($webbie);
if ($x) {
logger('old_webfinger: ' . print_r($x, true));
foreach ($x as $link) {
if ($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;
}
$diaspora = true;
}
}
if ($diaspora && $diaspora_base && $diaspora_guid) {
$guid = $diaspora_guid;
$diaspora_base = trim($diaspora_base, '/');
$notify = $diaspora_base . '/receive';
if (strpos($webbie, '@')) {
$addr = str_replace('acct:', '', $webbie);
$hostname = substr($webbie, strpos($webbie, '@') + 1);
}
$network = 'diaspora';
// until we get a dfrn layer, we'll use diaspora protocols for Friendica,
// but give it a different network so we can go back and fix these when we get proper support.
// It really should be just 'friendica' but we also want to distinguish
// between Friendica sites that we can use D* protocols with and those we can't.
// Some Friendica sites will have Diaspora disabled.
if ($dfrn) {
$network = 'friendica-over-diaspora';
}
if ($hcard) {
$vcard = scrape_vcard($hcard);
$vcard['nick'] = substr($webbie, 0, strpos($webbie, '@'));
if (!$vcard['fn']) {
$vcard['fn'] = $webbie;
}
}
$r = q("select * from xchan where xchan_hash = '%s' limit 1", dbesc($addr));
/**
*
* Diaspora communications are notoriously unreliable and receiving profile update messages (indeed any messages)
* are pretty much random luck. We'll check the timestamp of the xchan_name_date at a higher level and refresh
* this record once a month; because if you miss a profile update message and they update their profile photo or name
* you're otherwise stuck with stale info until they change their profile again - which could be years from now.
*
*/
if ($r) {
$r = q("update xchan set xchan_name = '%s', xchan_network = '%s', xchan_name_date = '%s' where xchan_hash = '%s' limit 1", dbesc($vcard['fn']), dbesc($network), dbesc(datetime_convert()), dbesc($addr));
} else {
$r = q("insert into xchan ( xchan_hash, xchan_guid, xchan_pubkey, xchan_addr, xchan_url, xchan_name, xchan_network, xchan_name_date ) values ('%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s') ", dbesc($addr), dbesc($guid), dbesc($pubkey), dbesc($addr), dbesc($profile), dbesc($vcard['fn']), dbesc($network), dbescdate(datetime_convert()));
}
$r = q("select * from hubloc where hubloc_hash = '%s' limit 1", dbesc($webbie));
if (!$r) {
$r = q("insert into hubloc ( hubloc_guid, hubloc_hash, hubloc_addr, hubloc_network, hubloc_url, hubloc_host, hubloc_callback, hubloc_updated, hubloc_primary ) values ('%s','%s','%s','%s','%s','%s','%s','%s', 1)", dbesc($guid), dbesc($addr), dbesc($addr), dbesc($network), dbesc(trim($diaspora_base, '/')), dbesc($hostname), dbesc($notify), dbescdate(datetime_convert()));
}
$photos = import_xchan_photo($vcard['photo'], $addr);
$r = q("update xchan set xchan_photo_date = '%s', xchan_photo_l = '%s', xchan_photo_m = '%s', xchan_photo_s = '%s', xchan_photo_mimetype = '%s' where xchan_hash = '%s'", dbescdate(datetime_convert('UTC', 'UTC', $arr['photo_updated'])), dbesc($photos[0]), dbesc($photos[1]), dbesc($photos[2]), dbesc($photos[3]), dbesc($addr));
return true;
}
return false;
/*
$vcard['fn'] = notags($vcard['fn']);
$vcard['nick'] = str_replace(' ','',notags($vcard['nick']));
$result['name'] = $vcard['fn'];
$result['nick'] = $vcard['nick'];
$result['guid'] = $guid;
$result['url'] = $profile;
$result['hostname'] = $hostname;
$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'] = $pubkey;
logger('probe_url: ' . print_r($result,true), LOGGER_DEBUG);
return $result;
*/
/* Sample Diaspora result.
Array
(
[name] => Mike Macgirvin
[nick] => macgirvin
[guid] => a9174a618f8d269a
[url] => https://joindiaspora.com/u/macgirvin
[hostname] => joindiaspora.com
[addr] => macgirvin@joindiaspora.com
[batch] =>
[notify] => https://joindiaspora.com/receive
[poll] => https://joindiaspora.com/public/macgirvin.atom
[request] =>
[confirm] =>
[poco] =>
[photo] => https://joindiaspora.s3.amazonaws.com/uploads/images/thumb_large_fec4e6eef13ae5e56207.jpg
[priority] =>
[network] => diaspora
[alias] =>
[pubkey] => -----BEGIN PUBLIC KEY-----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-----END PUBLIC KEY-----
)
*/
}
}
function discover_by_webbie($webbie)
{
require_once 'library/HTML5/Parser.php';
$result = array();
$network = null;
$diaspora = false;
$gnusoc = false;
$dfrn = false;
$has_salmon = false;
$salmon_key = false;
$atom_feed = false;
$diaspora_base = '';
$diaspora_guid = '';
$diaspora_key = '';
$webbie = strtolower($webbie);
$x = webfinger_rfc7033($webbie, true);
if ($x && array_key_exists('links', $x) && $x['links']) {
foreach ($x['links'] as $link) {
if (array_key_exists('rel', $link)) {
// If we discover zot - don't search further; grab the info and get out of
// here.
if ($link['rel'] === PROTOCOL_ZOT) {
logger('discover_by_webbie: zot found for ' . $webbie, LOGGER_DEBUG);
if (array_key_exists('zot', $x) && $x['zot']['success']) {
$i = import_xchan($x['zot']);
} else {
$z = z_fetch_url($link['href']);
if ($z['success']) {
$j = json_decode($z['body'], true);
$i = import_xchan($j);
return true;
}
}
}
if ($link['rel'] == NAMESPACE_DFRN) {
$dfrn = $link['href'];
}
if ($link['rel'] == 'magic-public-key') {
if (substr($link['href'], 0, 5) === 'data:') {
$salmon_key = convert_salmon_key($link['href']);
}
}
if ($link['rel'] == 'salmon') {
$has_salmon = true;
$salmon = $link['href'];
}
if ($link['rel'] == 'http://schemas.google.com/g/2010#updates-from') {
$atom_feed = $link['href'];
}
}
}
}
logger('webfinger: ' . print_r($x, true), LOGGER_DATA, LOG_INFO);
$arr = array('address' => $webbie, 'success' => false, 'webfinger' => $x);
call_hooks('discover_channel_webfinger', $arr);
if ($arr['success']) {
return true;
}
$aliases = array();
// Now let's make some decisions on what we may need
// to obtain further info
$probe_atom = false;
$probe_old = false;
$probe_hcard = false;
$address = '';
$location = '';
$nickname = '';
$fullname = '';
$avatar = '';
$pubkey = '';
if (is_array($x)) {
if (array_key_exists('address', $x)) {
$address = $x['address'];
}
if (array_key_exists('location', $x)) {
$location = $x['location'];
}
if (array_key_exists('nickname', $x)) {
$nickname = $x['nickname'];
}
}
if (!$x) {
$probe_old = true;
}
if (!$dfrn && !$has_salmon) {
$probe_old = true;
}
if ($probe_old) {
$y = old_webfinger($webbie);
if ($y) {
logger('old_webfinger: ' . print_r($x, true));
foreach ($y as $link) {
if ($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'] == 'magic-public-key') {
if (substr($link['@attributes']['href'], 0, 5) === 'data:') {
$salmon_key = convert_salmon_key($link['@attributes']['href']);
}
}
if ($link['@attributes']['rel'] == 'salmon') {
$has_salmon = true;
$salmon = $link['@attributes']['href'];
}
if ($link['@attributes']['rel'] == 'http://schemas.google.com/g/2010#updates-from') {
$atom_feed = $link['@attributes']['href'];
}
if ($link['@attributes']['rel'] === 'alias') {
$aliases[] = $link['@attributes']['href'];
}
if ($link['@attributes']['rel'] === 'subject') {
$subject = $link['@attributes']['href'];
}
}
}
}
if ($subject || $aliases) {
if (strpos($webbie, '@')) {
$rhs = substr($webbie, strpos($webbie, '@') + 1);
} else {
$m = parse_url($webbie);
if ($m) {
$rhs = $m['host'] . ($m['port'] ? ':' . $m['port'] : '');
}
}
$v = array('subject' => $subject, 'aliases' => $aliases);
$address = find_webfinger_address($v, $rhs);
$location = find_webfinger_location($v, $rhs);
if ($address) {
$nickname = substr($address, 0, strpos($address, '@'));
}
}
if ($salmon_key && $has_salmon && $atom_feed && !$dfrn && !$diaspora) {
$gnusoc = true;
$probe_atom = true;
}
if (!$pubkey) {
$pubkey = $salmon_key;
}
if (($dfrn || $diaspora) && $hcard) {
$probe_hcard = true;
}
if (!$fullname) {
$fullname = $nickname;
}
if ($probe_atom) {
$k = z_fetch_url($atom_feed);
if ($k['success']) {
$feed_meta = feed_meta($k['body']);
}
if ($feed_meta) {
// stash any discovered pubsubhubbub hubs in case we need to follow them
// this will save an expensive lookup later
if ($feed_meta['hubs'] && $address) {
set_xconfig($address, 'system', 'push_hubs', $feed_meta['hubs']);
set_xconfig($address, 'system', 'feed_url', $atom_feed);
}
if ($feed_meta['author']['author_name']) {
$fullname = $feed_meta['author']['author_name'];
}
if (!$avatar) {
if ($feed_meta['author']['author_photo']) {
$avatar = $feed_meta['author']['author_photo'];
}
}
// for GNU-social over-ride any url aliases we may have picked up in webfinger
// The author.uri element in the feed is likely to be more accurate
if ($gnusoc && $feed_meta['author']['author_uri']) {
$location = $feed_meta['author']['author_uri'];
}
}
} else {
if ($probe_hcard) {
$vcard = scrape_vcard($hcard);
if ($vcard) {
logger('vcard: ' . print_r($vcard, true), LOGGER_DATA);
if ($vcard['fn']) {
$fullname = $vcard['fn'];
}
if ($vcard['photo'] && strpos($vcard['photo'], 'http') !== 0) {
$vcard['photo'] = $diaspora_base . '/' . $vcard['photo'];
}
if (!$avatar) {
$avatar = $vcard['photo'];
}
}
}
}
if ($profile && !$location) {
$location = $profile;
}
if ($location) {
$m = parse_url($location);
$base = $m['scheme'] . '://' . $m['host'];
$host = $m['host'];
}
if ($diaspora && $diaspora_base && $diaspora_guid) {
if ($dfrn) {
$network = 'friendica-over-diaspora';
} else {
$network = 'diaspora';
}
$base = trim($diaspora_base, '/');
$notify = $base . '/receive';
} else {
if ($gnusoc) {
$network = 'gnusoc';
$notify = $salmon;
}
}
logger('network: ' . $network);
logger('address: ' . $address);
logger('fullname: ' . $fullname);
logger('pubkey: ' . $pubkey);
logger('location: ' . $location);
// if we have everything we need, let's create the records
if ($network && $address && $fullname && $pubkey && $location) {
$r = q("select * from xchan where xchan_hash = '%s' limit 1", dbesc($address));
if ($r) {
$r = q("update xchan set xchan_name = '%s', xchan_network = '%s', xchan_name_date = '%s' where xchan_hash = '%s' limit 1", dbesc($fullname), dbesc($network), dbesc(datetime_convert()), dbesc($address));
} else {
$r = q("insert into xchan ( xchan_hash, xchan_guid, xchan_pubkey, xchan_addr, xchan_url, xchan_name, xchan_network, xchan_name_date ) values ('%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s') ", dbesc($address), dbesc($diaspora_guid ? $diaspora_guid : $location), dbesc($pubkey), dbesc($address), dbesc($location), dbesc($fullname), dbesc($network), dbescdate(datetime_convert()));
}
$r = q("select * from hubloc where hubloc_hash = '%s' limit 1", dbesc($address));
if (!$r) {
$r = q("insert into hubloc ( hubloc_guid, hubloc_hash, hubloc_addr, hubloc_network, hubloc_url, hubloc_host, hubloc_callback, hubloc_updated, hubloc_primary ) values ('%s','%s','%s','%s','%s','%s','%s','%s', 1)", dbesc($diaspora_guid ? $diaspora_guid : $location), dbesc($address), dbesc($address), dbesc($network), dbesc($base), dbesc($host), dbesc($notify), dbescdate(datetime_convert()));
}
$photos = import_xchan_photo($avatar, $address);
$r = q("update xchan set xchan_photo_date = '%s', xchan_photo_l = '%s', xchan_photo_m = '%s', xchan_photo_s = '%s', xchan_photo_mimetype = '%s' where xchan_hash = '%s'", dbescdate(datetime_convert()), dbesc($photos[0]), dbesc($photos[1]), dbesc($photos[2]), dbesc($photos[3]), dbesc($address));
return true;
}
return false;
}
function probe_url($url, $mode = PROBE_NORMAL)
{
require_once 'include/email.php';
$result = array();
if (!$url) {
return $result;
}
$network = null;
$diaspora = false;
$diaspora_base = '';
$diaspora_guid = '';
$diaspora_key = '';
$has_lrdd = false;
$email_conversant = false;
$twitter = strpos($url, 'twitter.com') !== false ? true : false;
$at_addr = strpos($url, '@') !== false ? true : false;
if (!$twitter) {
if (strpos($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']));
$pubkey = rsatopem($diaspora_key);
$diaspora = true;
}
}
// Status.Net can have more than one profile URL. We need to match the profile URL
// to a contact on incoming messages to prevent spam, and we won't know which one
// to match. So in case of two, one of them is stored as an alias. Only store URL's
// and not webfinger user@host aliases. If they've got more than two non-email style
// aliases, let's hope we're lucky and get one that matches the feed author-uri because
// otherwise we're screwed.
foreach ($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']);
}
}
}
}
} 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->from, $orig_url)) {
$adr = imap_rfc822_parse_adrlist($x->from, '');
} elseif (stristr($x->to, $orig_url)) {
$adr = imap_rfc822_parse_adrlist($x->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) {
$network = NETWORK_OSTATUS;
}
$priority = 0;
if ($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 ($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['nick'] = $tid;
$vcard['fn'] = $tid . '@twitter';
}
if (!x($vcard, 'fn')) {
if (x($vcard, 'nick')) {
$vcard['fn'] = $vcard['nick'];
}
}
$check_feed = false;
if ($twitter || !$poll) {
$check_feed = true;
}
if (!isset($vcard) || !x($vcard, 'fn') || !$profile) {
$check_feed = true;
}
if ($at_addr && !count($links)) {
$check_feed = false;
}
if ($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);
$feed->set_raw_data($xml);
$feed->init();
if ($feed->error()) {
logger('probe_url: scrape_feed: Error parsing XML: ' . $feed->error());
}
if (!x($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'];
}
}
}
} 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 = $lnk;
}
if (!x($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($vcard['nick'], ' ')));
}
}
if (!$network) {
$network = NETWORK_FEED;
}
if (!$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;
}
$vcard['fn'] = notags($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'] = $pubkey;
logger('probe_url: ' . print_r($result, true), LOGGER_DEBUG);
return $result;
}
function probe_url($url, $mode = PROBE_NORMAL, $level = 1)
{
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' and $mode == PROBE_NORMAL) {
$diaspora = false;
}
}
// Status.Net can have more than one profile URL. We need to match the profile URL
// to a contact on incoming messages to prevent spam, and we won't know which one
// to match. So in case of two, one of them is stored as an alias. Only store URL's
// and not webfinger user@host aliases. If they've got more than two non-email style
// aliases, let's hope we're lucky and get one that matches the feed author-uri because
// otherwise we're screwed.
foreach ($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 : $dfrn, true);
if (is_array($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'] = $elems['link'][0]['attribs']['']['href'];
}
}
}
}
}
// Workaround for misconfigured Friendica servers
if ($network == "" and strstr($url, "/profile/")) {
$noscrape = str_replace("/profile/", "/noscrape/", $url);
$noscrapejson = fetch_url($noscrape);
if ($noscrapejson) {
$network = NETWORK_DFRN;
$poco = str_replace("/profile/", "/poco/", $url);
$noscrapedata = json_decode($noscrapejson, true);
if (isset($noscrapedata["addr"])) {
$addr = $noscrapedata["addr"];
}
if (isset($noscrapedata["fn"])) {
$vcard["fn"] = $noscrapedata["fn"];
}
if (isset($noscrapedata["key"])) {
$pubkey = $noscrapedata["key"];
}
if (isset($noscrapedata["photo"])) {
$vcard["photo"] = $noscrapedata["photo"];
}
if (isset($noscrapedata["dfrn-request"])) {
$request = $noscrapedata["dfrn-request"];
}
if (isset($noscrapedata["dfrn-confirm"])) {
$confirm = $noscrapedata["dfrn-confirm"];
}
if (isset($noscrapedata["dfrn-notify"])) {
$notify = $noscrapedata["dfrn-notify"];
}
if (isset($noscrapedata["dfrn-poll"])) {
$poll = $noscrapedata["dfrn-poll"];
}
}
}
if (!$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, "/");
if (strpos($url, '@') and $addr == "" and $network == NETWORK_DFRN) {
$addr = str_replace('acct:', '', $url);
}
$vcard['fn'] = notags($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_PHANTOM) {
Cache::set("probe_url:" . $mode . ":" . $url, serialize($result), CACHE_DAY);
}
return $result;
}