4 require_once('boot.php');
8 @include('.htconfig.php');
9 require_once('dba.php');
10 $db = new dba($db_host, $db_user, $db_pass, $db_data);
11 unset($db_host, $db_user, $db_pass, $db_data);
13 require_once('session.php');
14 require_once('datetime.php');
15 require_once('simplepie/simplepie.inc');
16 require_once('include/items.php');
17 require_once('include/Contact.php');
19 $a->set_baseurl(get_config('system','url'));
21 logger('poller: start');
23 // run queue delivery process in the background
25 $php_path = ((x($a->config,'php_path') && strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
26 proc_close(proc_open("\"$php_path\" \"include/queue.php\" &", array(), $foo));
30 if(($argc > 1) && ($argv[1] == 'force'))
33 // 'stat' clause is a temporary measure until we have federation subscriptions working both directions
34 $contacts = q("SELECT * FROM `contact`
35 WHERE ( ( `network` = 'dfrn' AND ( `dfrn-id` != '' OR (`issued-id` != '' AND `duplex` = 1)))
36 OR ( `network` = 'stat' AND `poll` != '' ) )
37 AND `self` = 0 AND `blocked` = 0 AND `readonly` = 0 ORDER BY RAND()");
39 if(! count($contacts))
42 foreach($contacts as $contact) {
44 if($contact['priority'] || $contact['subhub']) {
49 $t = $contact['last-update'];
51 // We should be getting everything via a hub. But just to be sure, let's check once a day.
52 // (You can make this more or less frequent if desired by setting 'pushpoll_frequency' appropriately)
53 // This also lets us update our subscription to the hub, and add or replace hubs in case it
54 // changed. We will only update hubs once a day, regardless of 'pushpoll_frequency'.
57 if($contact['subhub']) {
58 $interval = get_config('system','pushpoll_frequency');
59 $contact['priority'] = (($interval !== false) ? intval($interval) : 3);
62 if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 day"))
68 * Based on $contact['priority'], should we poll this site now? Or later?
71 switch ($contact['priority']) {
73 if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 month"))
77 if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 week"))
81 if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 day"))
85 if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 12 hour"))
90 if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 hour"))
94 if((! $update) && (! $force))
98 $importer_uid = $contact['uid'];
100 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
101 intval($importer_uid)
108 logger("poller: poll: IMPORTER: {$importer['name']}, CONTACT: {$contact['name']}");
110 $last_update = (($contact['last-update'] === '0000-00-00 00:00:00')
111 ? datetime_convert('UTC','UTC','now - 30 days', ATOM_TIME)
112 : datetime_convert('UTC','UTC',$contact['last-update'], ATOM_TIME)
115 if($contact['network'] === 'dfrn') {
117 $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
119 if(intval($contact['duplex']) && $contact['dfrn-id'])
120 $idtosend = '0:' . $orig_id;
121 if(intval($contact['duplex']) && $contact['issued-id'])
122 $idtosend = '1:' . $orig_id;
124 $url = $contact['poll'] . '?dfrn_id=' . $idtosend
125 . '&dfrn_version=' . DFRN_PROTOCOL_VERSION
126 . '&type=data&last_update=' . $last_update ;
128 $xml = fetch_url($url);
130 logger('poller: handshake with url ' . $url . ' returns xml: ' . $xml, LOGGER_DATA);
134 logger("poller: $url appears to be dead - marking for death ");
135 // dead connection - might be a transient event, or this might
136 // mean the software was uninstalled or the domain expired.
137 // Will keep trying for one month.
138 mark_for_death($contact);
140 // set the last-update so we don't keep polling
142 $r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1",
143 dbesc(datetime_convert()),
144 intval($contact['id'])
150 if(! strstr($xml,'<?xml')) {
151 logger('poller: response from ' . $url . ' did not contain XML.');
152 $r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1",
153 dbesc(datetime_convert()),
154 intval($contact['id'])
160 $res = simplexml_load_string($xml);
162 if(intval($res->status) == 1) {
163 logger("poller: $url replied status 1 - marking for death ");
165 // we may not be friends anymore. Will keep trying for one month.
166 // set the last-update so we don't keep polling
168 $r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1",
169 dbesc(datetime_convert()),
170 intval($contact['id'])
173 mark_for_death($contact);
176 if($contact['term-date'] != '0000-00-00 00:00:00') {
177 logger("poller: $url back from the dead - removing mark for death");
178 unmark_for_death($contact);
182 if((intval($res->status) != 0) || (! strlen($res->challenge)) || (! strlen($res->dfrn_id)))
187 $sent_dfrn_id = hex2bin($res->dfrn_id);
188 $challenge = hex2bin($res->challenge);
192 if(($contact['duplex']) && strlen($contact['prvkey'])) {
193 openssl_private_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['prvkey']);
194 openssl_private_decrypt($challenge,$postvars['challenge'],$contact['prvkey']);
197 openssl_public_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['pubkey']);
198 openssl_public_decrypt($challenge,$postvars['challenge'],$contact['pubkey']);
201 $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
203 if(strpos($final_dfrn_id,':') == 1)
204 $final_dfrn_id = substr($final_dfrn_id,2);
206 if($final_dfrn_id != $orig_id) {
208 // did not decode properly - cannot trust this site
212 $postvars['dfrn_id'] = $idtosend;
213 $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
215 $xml = post_url($contact['poll'],$postvars);
218 // $contact['network'] !== 'dfrn'
220 $xml = fetch_url($contact['poll']);
223 logger('poller: received xml : ' . $xml, LOGGER_DATA);
228 consume_feed($xml,$importer,$contact,$hub);
230 // do it twice. Ensures that children of parents which may be later in the stream aren't tossed
232 consume_feed($xml,$importer,$contact,$hub);
235 if((strlen($hub)) && ($hub_update)
236 && (($contact['rel'] == REL_BUD) || (($contact['network'] === 'stat') && (! $contact['readonly'])))) {
237 logger('poller: subscribing to hub(s) : ' . $hub . ' contact name : ' . $contact['name'] . ' local user : ' . $importer['name']);
238 $hubs = explode(',', $hub);
240 foreach($hubs as $h) {
244 subscribe_to_hub($h,$importer,$contact);
250 $r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1",
251 dbesc(datetime_convert()),
252 intval($contact['id'])
255 // loop - next contact