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-rw-r--r--Zotlabs/Module/Regdir.php109
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diff --git a/Zotlabs/Module/Regdir.php b/Zotlabs/Module/Regdir.php
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+<?php
+namespace Zotlabs\Module;
+
+/**
+ * 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.
+ *
+ * @param App &$a
+ */
+
+class Regdir extends \Zotlabs\Web\Controller {
+
+ function init() {
+
+ $result = array('success' => false);
+
+ $url = $_REQUEST['url'];
+ $access_token = $_REQUEST['t'];
+ $valid = 0;
+
+ // 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)
+ $realm = DIRECTORY_REALM;
+
+ if($realm === DIRECTORY_REALM) {
+ $valid = 1;
+ } else {
+ $token = get_config('system','realm_token');
+ if($token && $access_token != $token) {
+ $result['message'] = 'This realm requires an access token';
+ return;
+ }
+ $valid = 1;
+ }
+
+ $dirmode = intval(get_config('system','directory_mode'));
+
+ if ($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;
+ }
+ }
+ }
+
+ if(! $result['success'])
+ $valid = 0;
+
+ q("update site set site_valid = %d where site_url = '%s' limit 1",
+ intval($valid),
+ strtolower($url)
+ );
+
+ json_return_and_die($result);
+ } else {
+
+ // We can put this in the sql without the condition after 31 august 2015 assuming
+ // most directory servers will have updated by then
+ // This just makes sure it happens if I forget
+
+ $sql_extra = ((datetime_convert() > datetime_convert('UTC','UTC','2015-08-31')) ? ' and site_valid = 1 ' : '' );
+ if ($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' and site_type = %d $sql_extra ",
+ dbesc(get_directory_realm()),
+ intval(SITE_TYPE_ZOT)
+ );
+ }
+ if ($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);
+ }
+}