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<?php
/**
* With args, register a directory server for this realm
* With no args, return a JSON array of directory servers for this realm
* FIXME: Not yet implemented: Some realms may require authentication to join their realm.
* The RED_GLOBAL realm does not require authentication.
* We would then need a flag in the site table to indicate that they've been
* validated by the PRIMARY directory for that realm. Sites claiming to be PRIMARY
* but are not the realm PRIMARY will be marked invalid.
*/
function regdir_init(&$a) {
$result = array('success' => false);
$url = $_REQUEST['url'];
// we probably don't need the realm as we will find out in the probe.
// What we may want to die is throw an error if you're trying to register in a different realm
// so this configuration issue can be discovered.
$realm = $_REQUEST['realm'];
if(! $realm)
$realm = DIRECTORY_REALM;
$dirmode = intval(get_config('system','directory_mode'));
if($dirmode == DIRECTORY_MODE_NORMAL) {
$ret['message'] = t('This site is not a directory server');
json_return_and_die($ret);
}
$m = null;
if($url) {
$m = parse_url($url);
if((! $m) || (! @dns_get_record($m['host'], DNS_A + DNS_CNAME + DNS_PTR)) || (! filter_var($m['host'], FILTER_VALIDATE_IP) )) {
$result['message'] = 'unparseable url';
json_return_and_die($result);
}
$f = zot_finger('[system]@' . $m['host']);
if($f['success']) {
$j = json_decode($f['body'],true);
if($j['success'] && $j['guid']) {
$x = import_xchan($j);
if($x['success']) {
$result['success'] = true;
json_return_and_die($result);
}
}
}
json_return_and_die($result);
}
else {
if($dirmode == DIRECTORY_MODE_STANDALONE) {
$r = array(array('site_url' => z_root()));
}
else {
$r = q("select site_url from site where site_flags in ( 1, 2 ) and site_realm = '%s'",
dbesc(get_directory_realm())
);
}
if($r) {
$result['success'] = true;
$result['directories'] = array();
foreach($r as $rr)
$result['directories'][] = $rr['site_url'];
json_return_and_die($result);
}
}
json_return_and_die($result);
}
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