<?php require_once('boot.php'); $a = new App; @include('.htconfig.php'); require_once('dba.php'); $db = new dba($db_host, $db_user, $db_pass, $db_data); unset($db_host, $db_user, $db_pass, $db_data); require_once('session.php'); require_once('datetime.php'); require_once('simplepie/simplepie.inc'); require_once('include/items.php'); require_once('include/Contact.php'); $debugging = get_config('system','debugging'); $a->set_baseurl(get_config('system','url')); // 'stat' clause is a temporary measure until we have federation subscriptions working both directions $contacts = q("SELECT * FROM `contact` WHERE ( ( `network` = 'dfrn' AND ( `dfrn-id` != '' OR (`issued-id` != '' AND `duplex` = 1))) OR ( `network` = 'stat' AND `poll` != '' ) ) AND `self` = 0 AND `blocked` = 0 AND `readonly` = 0 ORDER BY RAND()"); if(! count($contacts)) killme(); foreach($contacts as $contact) { if($contact['priority'] || $contact['subhub']) { $update = false; // We should be getting everything via a hub. But just to be sure, let's check once a day. // This also lets us update our subscription to the hub, and add or replace hubs in case it // changed. if($contact['subhub']) $contact['priority'] = 3; $t = $contact['last-update']; switch ($contact['priority']) { case 5: if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 month")) $update = true; break; case 4: if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 week")) $update = true; break; case 3: if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 day")) $update = true; break; case 2: if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 12 hour")) $update = true; break; case 1: default: if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 hour")) $update = true; break; } if(! $update) continue; } $importer_uid = $contact['uid']; $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1", intval($importer_uid) ); if(! count($r)) continue; $importer = $r[0]; if($debugging) echo "IMPORTER: {$importer['name']}\n"; $last_update = (($contact['last-update'] === '0000-00-00 00:00:00') ? datetime_convert('UTC','UTC','now - 30 days', ATOM_TIME) : datetime_convert('UTC','UTC',$contact['last-update'], ATOM_TIME) ); if($contact['network'] === 'dfrn') { $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']); if(intval($contact['duplex']) && $contact['dfrn-id']) $idtosend = '0:' . $orig_id; if(intval($contact['duplex']) && $contact['issued-id']) $idtosend = '1:' . $orig_id; $url = $contact['poll'] . '?dfrn_id=' . $idtosend . '&dfrn_version=' . DFRN_PROTOCOL_VERSION . '&type=data&last_update=' . $last_update ; $xml = fetch_url($url); if($debugging) { echo "URL: " . $url . "\n"; echo "XML: " . $xml . "\n"; } if(! $xml) { // dead connection - might be a transient event, or this might // mean the software was uninstalled or the domain expired. // Will keep trying for one month. mark_for_death($contact); continue; } $res = simplexml_load_string($xml); if(intval($res->status) == 1) { // we may not be friends anymore. Will keep trying for one month. mark_for_death($contact); } else { if($contact['term-date'] != '0000-00-00 00:00:00') unmark_for_death($contact); } if((intval($res->status) != 0) || (! strlen($res->challenge)) || (! strlen($res->dfrn_id))) continue; $postvars = array(); $sent_dfrn_id = hex2bin($res->dfrn_id); $challenge = hex2bin($res->challenge); $final_dfrn_id = ''; if(($contact['duplex']) && strlen($contact['prvkey'])) { openssl_private_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['prvkey']); openssl_private_decrypt($challenge,$postvars['challenge'],$contact['prvkey']); } else { openssl_public_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['pubkey']); openssl_public_decrypt($challenge,$postvars['challenge'],$contact['pubkey']); } $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.')); if(strpos($final_dfrn_id,':') == 1) $final_dfrn_id = substr($final_dfrn_id,2); if($final_dfrn_id != $orig_id) { // did not decode properly - cannot trust this site continue; } $postvars['dfrn_id'] = $idtosend; $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION; $xml = post_url($contact['poll'],$postvars); } else { // $contact['network'] !== 'dfrn' $xml = fetch_url($contact['poll']); } if($debugging) { echo "XML response:" . $xml . "\n"; echo "Length:" . strlen($xml) . "\n"; } if(! strlen($xml)) continue; consume_feed($xml,$importer,$contact,$hub); if((strlen($hub)) && (($contact['rel'] == REL_BUD) || (($contact['network'] === 'stat') && (! $contact['readonly']))) && ($contact['priority'] == 0)) { $hubs = explode(',', $hub); if(count($hubs)) { foreach($hubs as $h) { $h = trim($h); if(! strlen($h)) continue; subscribe_to_hub($h,$importer,$contact); } } } $r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1", dbesc(datetime_convert()), intval($contact['id']) ); // loop - next contact } killme();