<?php require_once("boot.php"); function poller_run($argv, $argc){ global $a, $db; if(is_null($a)) { $a = new App; } if(is_null($db)) { @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'); require_once('include/email.php'); $a->set_baseurl(get_config('system','url')); load_hooks(); logger('poller: start'); // run queue delivery process in the background proc_run('php',"include/queue.php"); // once daily run expire in background $d1 = get_config('system','last_expire_day'); $d2 = intval(datetime_convert('UTC','UTC','now','d')); if($d2 != intval($d1)) { set_config('system','last_expire_day',$d2); proc_run('php','include/expire.php'); } // clear old cache q("DELETE FROM `cache` WHERE `updated` < '%s'", dbesc(datetime_convert('UTC','UTC',"now - 30 days"))); $manual_id = 0; $hub_update = false; $force = false; if(($argc > 1) && ($argv[1] == 'force')) $force = true; if(($argc > 1) && intval($argv[1])) { $manual_id = intval($argv[1]); $force = true; } $sql_extra = (($manual_id) ? " AND `id` = $manual_id " : ""); reload_plugins(); $d = datetime_convert(); call_hooks('cron', $d); $contacts = q("SELECT `id` FROM `contact` WHERE ( `rel` = %d OR `rel` = %d ) AND `poll` != '' $sql_extra AND `self` = 0 AND `blocked` = 0 AND `readonly` = 0 ORDER BY RAND()", intval(REL_FAN), intval(REL_BUD) ); if(! count($contacts)) { return; } foreach($contacts as $c) { $res = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1", intval($c['id']) ); if(! count($res)) continue; foreach($res as $contact) { $xml = false; if($manual_id) $contact['last-update'] = '0000-00-00 00:00:00'; if($contact['priority'] || $contact['subhub']) { $hub_update = true; $update = false; $t = $contact['last-update']; // We should be getting everything via a hub. But just to be sure, let's check once a day. // (You can make this more or less frequent if desired by setting 'pushpoll_frequency' appropriately) // This also lets us update our subscription to the hub, and add or replace hubs in case it // changed. We will only update hubs once a day, regardless of 'pushpoll_frequency'. if($contact['subhub']) { $interval = get_config('system','pushpoll_frequency'); $contact['priority'] = (($interval !== false) ? intval($interval) : 3); $hub_update = false; if((datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 day")) || $force) $hub_update = true; } /** * Based on $contact['priority'], should we poll this site now? Or later? */ switch ($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) && (! $force)) 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 = $r[0]; logger("poller: poll: IMPORTER: {$importer['name']}, CONTACT: {$contact['name']}"); $last_update = (($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'] === 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; // they have permission to write to us. We already filtered this in the contact query. $perm = 'rw'; $url = $contact['poll'] . '?dfrn_id=' . $idtosend . '&dfrn_version=' . DFRN_PROTOCOL_VERSION . '&type=data&last_update=' . $last_update . '&perm=' . $perm ; $handshake_xml = fetch_url($url); logger('poller: handshake with url ' . $url . ' returns xml: ' . $handshake_xml, LOGGER_DATA); if(! $handshake_xml) { logger("poller: $url appears to be dead - marking for death "); // dead connection - might be a transient event, or this might // mean the software was uninstalled or the domain expired. // Will keep trying for one month. mark_for_death($contact); // set the last-update so we don't keep polling $r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1", dbesc(datetime_convert()), intval($contact['id']) ); continue; } if(! strstr($handshake_xml,'<?xml')) { logger('poller: response from ' . $url . ' did not contain XML.'); $r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1", dbesc(datetime_convert()), intval($contact['id']) ); continue; } $res = parse_xml_string($handshake_xml); if(intval($res->status) == 1) { logger("poller: $url replied status 1 - marking for death "); // we may not be friends anymore. Will keep trying for one month. // set the last-update so we don't keep polling $r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1", dbesc(datetime_convert()), intval($contact['id']) ); mark_for_death($contact); } else { if($contact['term-date'] != '0000-00-00 00:00:00') { logger("poller: $url back from the dead - removing mark for death"); unmark_for_death($contact); } } if((intval($res->status) != 0) || (! strlen($res->challenge)) || (! strlen($res->dfrn_id))) continue; $postvars = array(); $sent_dfrn_id = hex2bin((string) $res->dfrn_id); $challenge = hex2bin((string) $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) { logger('poller: ID did not decode: ' . $contact['id'] . ' orig: ' . $orig_id . ' final: ' . $final_dfrn_id); // did not decode properly - cannot trust this site continue; } $postvars['dfrn_id'] = $idtosend; $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION; $postvars['perm'] = 'rw'; $xml = post_url($contact['poll'],$postvars); } elseif(($contact['network'] === NETWORK_OSTATUS) || ($contact['network'] === NETWORK_DIASPORA) || ($contact['network'] === NETWORK_FEED) ) { // Upgrading DB fields from an older Friendika version // Will only do this once per notify-enabled OStatus contact if(($contact['notify']) && (! $contact['writable'])) { q("UPDATE `contact` SET `writable` = 1 WHERE `id` = %d LIMIT 1", intval($contact['id']) ); } $xml = fetch_url($contact['poll']); } elseif($contact['network'] === NETWORK_MAIL) { $mail_disabled = ((function_exists('imap_open') && (! get_config('system','imap_disabled'))) ? 0 : 1); if($mail_disabled) continue; $mbox = null; $x = q("SELECT `prvkey` FROM `user` WHERE `uid` = %d LIMIT 1", intval($importer_uid) ); $mailconf = q("SELECT * FROM `mailacct` WHERE `server` != '' AND `uid` = %d LIMIT 1", intval($importer_uid) ); if(count($x) && count($mailconf)) { $mailbox = construct_mailbox_name($mailconf[0]); $password = ''; openssl_private_decrypt(hex2bin($mailconf[0]['pass']),$password,$x[0]['prvkey']); $mbox = email_connect($mailbox,$mailconf[0]['user'],$password); unset($password); if($mbox) { q("UPDATE `mailacct` SET `last_check` = '%s' WHERE `id` = %d AND `uid` = %d LIMIT 1", dbesc(datetime_convert()), intval($mailconf[0]['id']), intval($importer_uid) ); } } if($mbox) { $msgs = email_poll($mbox,$contact['addr']); if(count($msgs)) { foreach($msgs as $msg_uid) { $datarray = array(); $meta = email_msg_meta($mbox,$msg_uid); $headers = email_msg_headers($mbox,$msg_uid); // look for a 'references' header and try and match with a parent item we have locally. $raw_refs = ((x($headers,'references')) ? str_replace("\t",'',$headers['references']) : ''); $datarray['uri'] = trim($meta->message_id,'<>'); if($raw_refs) { $refs_arr = explode(' ', $raw_refs); if(count($refs_arr)) { for($x = 0; $x < count($refs_arr); $x ++) $refs_arr[$x] = "'" . str_replace(array('<','>',' '),array('','',''),dbesc($refs_arr[$x])) . "'"; } $qstr = implode(',',$refs_arr); $r = q("SELECT `uri` , `parent-uri` FROM `item` WHERE `uri` IN ( $qstr ) AND `uid` = %d LIMIT 1", intval($importer_uid) ); if(count($r)) $datarray['parent-uri'] = $r[0]['uri']; } if(! x($datarray,'parent-uri')) $datarray['parent-uri'] = $datarray['uri']; // Have we seen it before? $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `uri` = '%s' LIMIT 1", intval($importer_uid), dbesc($datarray['uri']) ); if(count($r)) { if($meta->deleted && ! $r[0]['deleted']) { q("UPDATE `item` SET `deleted` = 1, `changed` = '%s' WHERE `id` = %d LIMIT 1", dbesc(datetime_convert()), intval($r[0]['id']) ); } continue; } $datarray['title'] = notags(trim($meta->subject)); $datarray['created'] = datetime_convert('UTC','UTC',$meta->date); $r = email_get_msg($mbox,$msg_uid); if(! $r) continue; $datarray['body'] = escape_tags($r['body']); // some mailing lists have the original author as 'from' - add this sender info to msg body. // todo: adding a gravatar for the original author would be cool if(! stristr($meta->from,$contact['addr'])) $datarray['body'] = t('From: ') . escape_tags($meta->from) . "\n\n" . $datarray['body']; $datarray['uid'] = $importer_uid; $datarray['contact-id'] = $contact['id']; if($datarray['parent-uri'] === $datarray['uri']) $datarray['private'] = 1; $datarray['author-name'] = $contact['name']; $datarray['author-link'] = 'mailbox'; $datarray['author-avatar'] = $contact['photo']; $stored_item = item_store($datarray); q("UPDATE `item` SET `last-child` = 0 WHERE `parent-uri` = '%s' AND `uid` = %d", dbesc($datarray['parent-uri']), intval($importer_uid) ); q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d LIMIT 1", intval($stored_item) ); } } imap_close($mbox); } } elseif($contact['network'] === NETWORK_FACEBOOK) { // TODO: work in progress } if($xml) { logger('poller: received xml : ' . $xml, LOGGER_DATA); if(! strstr($xml,'<?xml')) { logger('poller: post_handshake: response from ' . $url . ' did not contain XML.'); $r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1", dbesc(datetime_convert()), intval($contact['id']) ); continue; } consume_feed($xml,$importer,$contact,$hub,1, true); // do it twice. Ensures that children of parents which may be later in the stream aren't tossed consume_feed($xml,$importer,$contact,$hub,1); if((strlen($hub)) && ($hub_update) && (($contact['rel'] == REL_BUD) || (($contact['network'] === NETWORK_OSTATUS) && (! $contact['readonly'])))) { logger('poller: subscribing to hub(s) : ' . $hub . ' contact name : ' . $contact['name'] . ' local user : ' . $importer['name']); $hubs = explode(',', $hub); if(count($hubs)) { foreach($hubs as $h) { $h = trim($h); if(! strlen($h)) continue; subscribe_to_hub($h,$importer,$contact); } } } } $updated = datetime_convert(); $r = q("UPDATE `contact` SET `last-update` = '%s', `success_update` = '%s' WHERE `id` = %d LIMIT 1", dbesc($updated), dbesc($updated), intval($contact['id']) ); // loop - next contact } } return; } if (array_search(__file__,get_included_files())===0){ poller_run($argv,$argc); killme(); }