Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
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<?php
function dfrn_poll_init(&$a) {
if(x($_GET,'dfrn_id'))
$dfrn_id = $a->config['dfrn_poll_dfrn_id'] = $_GET['dfrn_id'];
if(x($_GET,'type'))
$type = $a->config['dfrn_poll_type'] = $_GET['type'];
if(x($_GET,'last_update'))
$last_update = $a->config['dfrn_poll_last_update'] = $_GET['last_update'];
if(! x($dfrn_id))
return;
if((x($type)) && ($type == 'profile')) {
$r = q("SELECT `contact`.*, `user`.`nickname`
FROM `contact` LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
WHERE `issued-id` = '%s' LIMIT 1",
dbesc($dfrn_id));
if(count($r)) {
$s = fetch_url($r[0]['poll'] . '?dfrn_id=' . $dfrn_id . '&type=profile-check');
if(strlen($s)) {
$xml = simplexml_load_string($s);
if((int) $xml->status == 1) {
$_SESSION['authenticated'] = 1;
$_SESSION['visitor_id'] = $r[0]['id'];
$_SESSION['sysmsg'] .= "Hi {$r[0]['name']}" . EOL;
// Visitors get 1 day session.
$session_id = session_id();
$expire = time() + 86400;
q("UPDATE `session` SET `expire` = '%s' WHERE `sid` = '%s' LIMIT 1",
dbesc($expire),
dbesc($session_id));
}
}
$profile = ((strlen($r[0]['nickname'])) ? $r[0]['nickname'] : $r[0]['uid']);
goaway($a->get_baseurl() . "/profile/$profile");
}
goaway($a->get_baseurl());
}
if((x($type)) && ($type == 'profile-check')) {
q("DELETE FROM `profile_check` WHERE `expire` < " . intval(time()));
$r = q("SELECT * FROM `profile_check` WHERE `dfrn_id` = '%s' ORDER BY `expire` DESC",
dbesc($dfrn_id));
if(count($r))
xml_status(1);
xml_status(0);
return; // NOTREACHED
}
}