mirror of
https://github.com/friendica/friendica
synced 2024-11-19 17:03:41 +00:00
100 lines
2.9 KiB
PHP
100 lines
2.9 KiB
PHP
<?php
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use Friendica\App;
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use Friendica\Core\System;
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use Friendica\Database\DBM;
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function auto_redir(App $a, $contact_nick) {
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// prevent looping
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if (x($_REQUEST,'redir') && intval($_REQUEST['redir']))
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return;
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if ((! $contact_nick) || ($contact_nick === $a->user['nickname']))
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return;
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if (local_user()) {
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// We need to find out if $contact_nick is a user on this hub, and if so, if I
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// am a contact of that user. However, that user may have other contacts with the
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// same nickname as me on other hubs or other networks. Exclude these by requiring
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// that the contact have a local URL. I will be the only person with my nickname at
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// this URL, so if a result is found, then I am a contact of the $contact_nick user.
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//
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// We also have to make sure that I'm a legitimate contact--I'm not blocked or pending.
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$baseurl = System::baseUrl();
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$domain_st = strpos($baseurl, "://");
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if ($domain_st === false)
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return;
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$baseurl = substr($baseurl, $domain_st + 3);
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$nurl = normalise_link($baseurl);
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/// @todo Why is there a query for "url" *and* "nurl"? Especially this normalising is strange.
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$r = q("SELECT `id` FROM `contact` WHERE `uid` = (SELECT `uid` FROM `user` WHERE `nickname` = '%s' LIMIT 1)
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AND `nick` = '%s' AND NOT `self` AND (`url` LIKE '%%%s%%' OR `nurl` LIKE '%%%s%%') AND NOT `blocked` AND NOT `pending` LIMIT 1",
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dbesc($contact_nick),
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dbesc($a->user['nickname']),
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dbesc($baseurl),
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dbesc($nurl)
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);
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if ((! DBM::is_result($r)) || $r[0]['id'] == remote_user()) {
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return;
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}
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$r = q("SELECT * FROM contact WHERE nick = '%s'
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AND network = '%s' AND uid = %d AND url LIKE '%%%s%%' LIMIT 1",
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dbesc($contact_nick),
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dbesc(NETWORK_DFRN),
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intval(local_user()),
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dbesc($baseurl)
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);
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if (! DBM::is_result($r)) {
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return;
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}
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$cid = $r[0]['id'];
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$dfrn_id = $orig_id = (($r[0]['issued-id']) ? $r[0]['issued-id'] : $r[0]['dfrn-id']);
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if ($r[0]['duplex'] && $r[0]['issued-id']) {
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$orig_id = $r[0]['issued-id'];
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$dfrn_id = '1:' . $orig_id;
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}
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if ($r[0]['duplex'] && $r[0]['dfrn-id']) {
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$orig_id = $r[0]['dfrn-id'];
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$dfrn_id = '0:' . $orig_id;
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}
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// ensure that we've got a valid ID. There may be some edge cases with forums and non-duplex mode
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// that may have triggered some of the "went to {profile/intro} and got an RSS feed" issues
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if (strlen($dfrn_id) < 3)
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return;
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$sec = random_string();
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q("INSERT INTO `profile_check` ( `uid`, `cid`, `dfrn_id`, `sec`, `expire`)
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VALUES( %d, %s, '%s', '%s', %d )",
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intval(local_user()),
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intval($cid),
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dbesc($dfrn_id),
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dbesc($sec),
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intval(time() + 45)
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);
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$url = curPageURL();
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logger('auto_redir: ' . $r[0]['name'] . ' ' . $sec, LOGGER_DEBUG);
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$dest = (($url) ? '&destination_url=' . $url : '');
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goaway ($r[0]['poll'] . '?dfrn_id=' . $dfrn_id
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. '&dfrn_version=' . DFRN_PROTOCOL_VERSION . '&type=profile&sec=' . $sec . $dest );
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}
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return;
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}
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