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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321 lines
8.7 KiB
321 lines
8.7 KiB
<?php |
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require_once("boot.php"); |
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function poller_run($argv, $argc){ |
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global $a, $db; |
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if(is_null($a)) { |
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$a = new App; |
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} |
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if(is_null($db)) { |
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@include(".htconfig.php"); |
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require_once("dba.php"); |
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$db = new dba($db_host, $db_user, $db_pass, $db_data); |
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unset($db_host, $db_user, $db_pass, $db_data); |
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}; |
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require_once('session.php'); |
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require_once('datetime.php'); |
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require_once('simplepie/simplepie.inc'); |
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require_once('include/items.php'); |
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require_once('include/Contact.php'); |
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$a->set_baseurl(get_config('system','url')); |
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logger('poller: start'); |
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// run queue delivery process in the background |
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proc_run('php',"include/queue.php"); |
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// once daily run expire in background |
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$d1 = get_config('system','last_expire_day'); |
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$d2 = intval(datetime_convert('UTC','UTC','now','d')); |
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if($d2 != intval($d1)) { |
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set_config('system','last_expire_day',$d2); |
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proc_run('php','include/expire.php'); |
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} |
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// clear old cache |
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q("DELETE FROM `cache` WHERE `updated` < '%s'", |
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dbesc(datetime_convert('UTC','UTC',"now - 30 days"))); |
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$manual_id = 0; |
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$hub_update = false; |
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$force = false; |
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if(($argc > 1) && ($argv[1] == 'force')) |
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$force = true; |
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if(($argc > 1) && intval($argv[1])) { |
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$manual_id = intval($argv[1]); |
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$force = true; |
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} |
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$sql_extra = (($manual_id) ? " AND `id` = $manual_id " : ""); |
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$d = datetime_convert(); |
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call_hooks('cron', $d); |
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reload_plugins(); |
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$contacts = q("SELECT `id` FROM `contact` |
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WHERE ( `rel` = %d OR `rel` = %d ) AND `poll` != '' |
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$sql_extra |
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AND `self` = 0 AND `blocked` = 0 AND `readonly` = 0 ORDER BY RAND()", |
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intval(REL_FAN), |
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intval(REL_BUD) |
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); |
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if(! count($contacts)) { |
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return; |
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} |
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foreach($contacts as $c) { |
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$res = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1", |
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intval($c['id']) |
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); |
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if(! count($res)) |
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continue; |
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foreach($res as $contact) { |
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if($manual_id) |
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$contact['last-update'] = '0000-00-00 00:00:00'; |
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if($contact['priority'] || $contact['subhub']) { |
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$hub_update = true; |
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$update = false; |
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$t = $contact['last-update']; |
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// We should be getting everything via a hub. But just to be sure, let's check once a day. |
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// (You can make this more or less frequent if desired by setting 'pushpoll_frequency' appropriately) |
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// This also lets us update our subscription to the hub, and add or replace hubs in case it |
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// changed. We will only update hubs once a day, regardless of 'pushpoll_frequency'. |
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if($contact['subhub']) { |
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$interval = get_config('system','pushpoll_frequency'); |
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$contact['priority'] = (($interval !== false) ? intval($interval) : 3); |
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$hub_update = false; |
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if((datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 day")) || $force) |
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$hub_update = true; |
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} |
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/** |
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* Based on $contact['priority'], should we poll this site now? Or later? |
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*/ |
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switch ($contact['priority']) { |
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case 5: |
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if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 month")) |
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$update = true; |
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break; |
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case 4: |
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if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 week")) |
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$update = true; |
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break; |
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case 3: |
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if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 day")) |
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$update = true; |
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break; |
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case 2: |
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if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 12 hour")) |
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$update = true; |
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break; |
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case 1: |
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default: |
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if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 hour")) |
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$update = true; |
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break; |
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} |
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if((! $update) && (! $force)) |
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continue; |
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} |
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$importer_uid = $contact['uid']; |
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$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1", |
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intval($importer_uid) |
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); |
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if(! count($r)) |
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continue; |
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$importer = $r[0]; |
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logger("poller: poll: IMPORTER: {$importer['name']}, CONTACT: {$contact['name']}"); |
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$last_update = (($contact['last-update'] === '0000-00-00 00:00:00') |
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? datetime_convert('UTC','UTC','now - 30 days', ATOM_TIME) |
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: datetime_convert('UTC','UTC',$contact['last-update'], ATOM_TIME) |
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); |
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if($contact['network'] === 'dfrn') { |
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$idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']); |
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if(intval($contact['duplex']) && $contact['dfrn-id']) |
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$idtosend = '0:' . $orig_id; |
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if(intval($contact['duplex']) && $contact['issued-id']) |
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$idtosend = '1:' . $orig_id; |
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$url = $contact['poll'] . '?dfrn_id=' . $idtosend |
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. '&dfrn_version=' . DFRN_PROTOCOL_VERSION |
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. '&type=data&last_update=' . $last_update ; |
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$xml = fetch_url($url); |
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logger('poller: handshake with url ' . $url . ' returns xml: ' . $xml, LOGGER_DATA); |
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if(! $xml) { |
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logger("poller: $url appears to be dead - marking for death "); |
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// dead connection - might be a transient event, or this might |
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// mean the software was uninstalled or the domain expired. |
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// Will keep trying for one month. |
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mark_for_death($contact); |
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// set the last-update so we don't keep polling |
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$r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1", |
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dbesc(datetime_convert()), |
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intval($contact['id']) |
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); |
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continue; |
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} |
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if(! strstr($xml,'<?xml')) { |
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logger('poller: response from ' . $url . ' did not contain XML.'); |
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$r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1", |
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dbesc(datetime_convert()), |
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intval($contact['id']) |
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); |
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continue; |
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} |
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$res = simplexml_load_string($xml); |
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if(intval($res->status) == 1) { |
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logger("poller: $url replied status 1 - marking for death "); |
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// we may not be friends anymore. Will keep trying for one month. |
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// set the last-update so we don't keep polling |
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$r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1", |
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dbesc(datetime_convert()), |
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intval($contact['id']) |
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); |
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mark_for_death($contact); |
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} |
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else { |
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if($contact['term-date'] != '0000-00-00 00:00:00') { |
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logger("poller: $url back from the dead - removing mark for death"); |
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unmark_for_death($contact); |
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} |
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} |
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if((intval($res->status) != 0) || (! strlen($res->challenge)) || (! strlen($res->dfrn_id))) |
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continue; |
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$postvars = array(); |
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$sent_dfrn_id = hex2bin((string) $res->dfrn_id); |
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$challenge = hex2bin((string) $res->challenge); |
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$final_dfrn_id = ''; |
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if(($contact['duplex']) && strlen($contact['prvkey'])) { |
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openssl_private_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['prvkey']); |
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openssl_private_decrypt($challenge,$postvars['challenge'],$contact['prvkey']); |
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} |
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else { |
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openssl_public_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['pubkey']); |
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openssl_public_decrypt($challenge,$postvars['challenge'],$contact['pubkey']); |
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} |
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$final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.')); |
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if(strpos($final_dfrn_id,':') == 1) |
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$final_dfrn_id = substr($final_dfrn_id,2); |
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if($final_dfrn_id != $orig_id) { |
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// did not decode properly - cannot trust this site |
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continue; |
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} |
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$postvars['dfrn_id'] = $idtosend; |
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$postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION; |
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$xml = post_url($contact['poll'],$postvars); |
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} |
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else { |
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// $contact['network'] !== 'dfrn' |
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$xml = fetch_url($contact['poll']); |
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} |
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logger('poller: received xml : ' . $xml, LOGGER_DATA); |
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if(! strstr($xml,'<?xml')) { |
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logger('poller: post_handshake: response from ' . $url . ' did not contain XML.'); |
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$r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1", |
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dbesc(datetime_convert()), |
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intval($contact['id']) |
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); |
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continue; |
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} |
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consume_feed($xml,$importer,$contact,$hub,1); |
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// do it twice. Ensures that children of parents which may be later in the stream aren't tossed |
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consume_feed($xml,$importer,$contact,$hub,1); |
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if((strlen($hub)) && ($hub_update) |
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&& (($contact['rel'] == REL_BUD) || (($contact['network'] === 'stat') && (! $contact['readonly'])))) { |
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logger('poller: subscribing to hub(s) : ' . $hub . ' contact name : ' . $contact['name'] . ' local user : ' . $importer['name']); |
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$hubs = explode(',', $hub); |
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if(count($hubs)) { |
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foreach($hubs as $h) { |
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$h = trim($h); |
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if(! strlen($h)) |
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continue; |
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subscribe_to_hub($h,$importer,$contact); |
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} |
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} |
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} |
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$updated = datetime_convert(); |
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$r = q("UPDATE `contact` SET `last-update` = '%s', `success_update` = '%s' WHERE `id` = %d LIMIT 1", |
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dbesc($updated), |
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dbesc($updated), |
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intval($contact['id']) |
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); |
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// loop - next contact |
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} |
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} |
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return; |
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} |
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if (array_search(__file__,get_included_files())===0){ |
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poller_run($argv,$argc); |
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killme(); |
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}
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