490 lines
14 KiB
PHP
490 lines
14 KiB
PHP
<?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, $db_data);
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};
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require_once('include/session.php');
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require_once('include/datetime.php');
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require_once('library/simplepie/simplepie.inc');
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require_once('include/items.php');
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require_once('include/Contact.php');
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require_once('include/email.php');
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load_config('config');
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load_config('system');
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$a->set_baseurl(get_config('system','url'));
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load_hooks();
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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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$generation = 0;
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$hub_update = false;
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$force = false;
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$restart = false;
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if(($argc > 1) && ($argv[1] == 'force'))
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$force = true;
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if(($argc > 1) && ($argv[1] == 'restart')) {
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$restart = true;
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$generation = intval($argv[2]);
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if(! $generation)
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killme();
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}
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if(($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` = $manual_id " : "");
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reload_plugins();
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$d = datetime_convert();
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if(! $restart)
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call_hooks('cron', $d);
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$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 $contact) {
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$xml = false;
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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) && (! $force))
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continue;
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}
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// Check to see if we are running out of memory - if so spawn a new process and kill this one
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$avail_memory = return_bytes(ini_get('memory_limit'));
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$memused = memory_get_peak_usage(true);
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if(intval($avail_memory)) {
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if(($memused / $avail_memory) > 0.95) {
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if($generation + 1 > 10) {
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logger('poller: maximum number of spawns exceeded. Terminating.');
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killme();
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}
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logger('poller: memory exceeded. ' . $memused . ' bytes used. Spawning new poll.');
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proc_run('php', 'include/poller.php', 'restart', (string) $generation + 1);
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killme();
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}
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}
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$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($contact['network'] === NETWORK_DFRN) {
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$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:' . $orig_id;
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// they have permission to write to us. We already filtered this in the contact query.
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$perm = 'rw';
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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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. '&perm=' . $perm ;
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$handshake_xml = fetch_url($url);
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logger('poller: handshake with url ' . $url . ' returns xml: ' . $handshake_xml, LOGGER_DATA);
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if(! $handshake_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($handshake_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 = parse_xml_string($handshake_xml);
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if(intval($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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logger('poller: ID did not decode: ' . $contact['id'] . ' orig: ' . $orig_id . ' final: ' . $final_dfrn_id);
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// did not decode properly - cannot trust this site
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continue;
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}
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$postvars['dfrn_id'] = $idtosend;
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$postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
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$postvars['perm'] = 'rw';
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$xml = post_url($contact['poll'],$postvars);
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}
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elseif(($contact['network'] === NETWORK_OSTATUS)
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|| ($contact['network'] === NETWORK_DIASPORA)
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|| ($contact['network'] === NETWORK_FEED) ) {
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// Upgrading DB fields from an older Friendika version
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// Will only do this once per notify-enabled OStatus contact
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if(($contact['notify']) && (! $contact['writable'])) {
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q("UPDATE `contact` SET `writable` = 1 WHERE `id` = %d LIMIT 1",
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intval($contact['id'])
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);
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}
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$xml = fetch_url($contact['poll']);
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}
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elseif($contact['network'] === NETWORK_MAIL) {
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$mail_disabled = ((function_exists('imap_open') && (! get_config('system','imap_disabled'))) ? 0 : 1);
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if($mail_disabled)
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continue;
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$mbox = null;
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$x = q("SELECT `prvkey` FROM `user` WHERE `uid` = %d LIMIT 1",
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intval($importer_uid)
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);
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$mailconf = q("SELECT * FROM `mailacct` WHERE `server` != '' AND `uid` = %d LIMIT 1",
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intval($importer_uid)
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);
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if(count($x) && count($mailconf)) {
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$mailbox = construct_mailbox_name($mailconf[0]);
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$password = '';
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openssl_private_decrypt(hex2bin($mailconf[0]['pass']),$password,$x[0]['prvkey']);
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$mbox = email_connect($mailbox,$mailconf[0]['user'],$password);
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unset($password);
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if($mbox) {
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q("UPDATE `mailacct` SET `last_check` = '%s' WHERE `id` = %d AND `uid` = %d LIMIT 1",
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dbesc(datetime_convert()),
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intval($mailconf[0]['id']),
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intval($importer_uid)
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);
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}
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}
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if($mbox) {
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$msgs = email_poll($mbox,$contact['addr']);
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if(count($msgs)) {
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foreach($msgs as $msg_uid) {
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$datarray = array();
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$meta = email_msg_meta($mbox,$msg_uid);
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$headers = email_msg_headers($mbox,$msg_uid);
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// look for a 'references' header and try and match with a parent item we have locally.
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$raw_refs = ((x($headers,'references')) ? str_replace("\t",'',$headers['references']) : '');
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$datarray['uri'] = trim($meta->message_id,'<>');
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if($raw_refs) {
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$refs_arr = explode(' ', $raw_refs);
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if(count($refs_arr)) {
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for($x = 0; $x < count($refs_arr); $x ++)
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$refs_arr[$x] = "'" . str_replace(array('<','>',' '),array('','',''),dbesc($refs_arr[$x])) . "'";
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}
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$qstr = implode(',',$refs_arr);
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$r = q("SELECT `uri` , `parent-uri` FROM `item` WHERE `uri` IN ( $qstr ) AND `uid` = %d LIMIT 1",
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intval($importer_uid)
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);
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if(count($r))
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$datarray['parent-uri'] = $r[0]['uri'];
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}
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if(! x($datarray,'parent-uri'))
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$datarray['parent-uri'] = $datarray['uri'];
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// Have we seen it before?
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$r = q("SELECT * FROM `item` WHERE `uid` = %d AND `uri` = '%s' LIMIT 1",
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intval($importer_uid),
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dbesc($datarray['uri'])
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);
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if(count($r)) {
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if($meta->deleted && ! $r[0]['deleted']) {
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q("UPDATE `item` SET `deleted` = 1, `changed` = '%s' WHERE `id` = %d LIMIT 1",
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dbesc(datetime_convert()),
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intval($r[0]['id'])
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);
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}
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continue;
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}
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$datarray['title'] = notags(trim($meta->subject));
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$datarray['created'] = datetime_convert('UTC','UTC',$meta->date);
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$r = email_get_msg($mbox,$msg_uid);
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if(! $r)
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continue;
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$datarray['body'] = escape_tags($r['body']);
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// some mailing lists have the original author as 'from' - add this sender info to msg body.
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// todo: adding a gravatar for the original author would be cool
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if(! stristr($meta->from,$contact['addr']))
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$datarray['body'] = t('From: ') . escape_tags($meta->from) . "\n\n" . $datarray['body'];
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$datarray['uid'] = $importer_uid;
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$datarray['contact-id'] = $contact['id'];
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if($datarray['parent-uri'] === $datarray['uri'])
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$datarray['private'] = 1;
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$datarray['author-name'] = $contact['name'];
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$datarray['author-link'] = 'mailbox';
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$datarray['author-avatar'] = $contact['photo'];
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$stored_item = item_store($datarray);
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q("UPDATE `item` SET `last-child` = 0 WHERE `parent-uri` = '%s' AND `uid` = %d",
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dbesc($datarray['parent-uri']),
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intval($importer_uid)
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);
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q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d LIMIT 1",
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intval($stored_item)
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);
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}
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}
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imap_close($mbox);
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}
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}
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elseif($contact['network'] === NETWORK_FACEBOOK) {
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// TODO: work in progress
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}
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if($xml) {
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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,$hub,1, true);
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// do it twice. Ensures that children of parents which may be later in the stream aren't tossed
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consume_feed($xml,$importer,$contact,$hub,1);
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if((strlen($hub)) && ($hub_update) && (($contact['rel'] == REL_BUD) || (($contact['network'] === NETWORK_OSTATUS) && (! $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,$contact);
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}
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}
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}
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}
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$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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