sforkowany z mirror/friendica
264 wiersze
7.5 KiB
PHP
264 wiersze
7.5 KiB
PHP
<?php
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require_once('boot.php');
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$a = new App;
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@include('.htconfig.php');
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require_once('dba.php');
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$db = new dba($db_host, $db_user, $db_pass, $db_data);
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unset($db_host, $db_user, $db_pass, $db_data);
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require_once('session.php');
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require_once('datetime.php');
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require_once('simplepie/simplepie.inc');
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require_once('include/items.php');
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require_once('include/Contact.php');
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$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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$php_path = ((x($a->config,'php_path') && strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
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proc_close(proc_open("\"$php_path\" \"include/queue.php\" &", array(), $foo));
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$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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// 'stat' clause is a temporary measure until we have federation subscriptions working both directions
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$contacts = q("SELECT * FROM `contact`
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WHERE ( ( `network` = 'dfrn' AND ( `dfrn-id` != '' OR (`issued-id` != '' AND `duplex` = 1)))
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OR ( `network` IN ( 'stat', 'feed' ) AND `poll` != '' ))
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AND `self` = 0 AND `blocked` = 0 AND `readonly` = 0 ORDER BY RAND()");
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if(! count($contacts))
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killme();
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foreach($contacts as $contact) {
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if($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', $t . " + 1 day"))
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$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 : ' . $xml, LOGGER_DATA);
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if(! strlen($xml))
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continue;
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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,$contact);
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}
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}
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}
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$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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// loop - next contact
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}
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killme();
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