<?php
+require_once("boot.php");
+function poller_run($argv, $argc){
+ global $a, $db;
-require_once('boot.php');
-
-$a = new App;
-
-@include('.htconfig.php');
-require_once('dba.php');
-$db = new dba($db_host, $db_user, $db_pass, $db_data, $install);
- unset($db_host, $db_user, $db_pass, $db_data);
-
-require_once('session.php');
-require_once('datetime.php');
-require_once('simplepie/simplepie.inc');
-require_once('include/items.php');
-
-if($argc < 2)
- exit;
-dbg(3);
- $a->set_baseurl($argv[1]);
-
- $contacts = q("SELECT * FROM `contact` WHERE `dfrn-id` != '' AND `self` = 0 AND `blocked` = 0 AND `readonly` = 0 ORDER BY RAND()");
-
- if(! count($contacts))
- killme();
-
- foreach($contacts as $contact) {
-
- if($contact['priority']) {
-
- $update = false;
- $t = $contact['last-update'];
-
- switch ($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(! $update)
- continue;
- }
+ if(is_null($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');
+
+ $a->set_baseurl(get_config('system','url'));
+
+ logger('poller: start');
+
+ // run queue delivery process in the background
+
+ proc_run('php',"include/queue.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 " : "");
+
+ $d = datetime_convert();
+ call_hooks('cron', $d);
+
+ reload_plugins();
+
+ $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;
+ }
- $importer_uid = $contact['uid'];
+ foreach($contacts as $c) {
- $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
- intval($importer_uid)
+ $res = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
+ intval($c['id'])
);
- if(! count($r))
+
+ if(! count($res))
continue;
- $importer = $r[0];
+ foreach($res as $contact) {
+ if($manual_id)
+ $contact['last-update'] = '0000-00-00 00:00:00';
- $last_update = (($contact['last-update'] == '0000-00-00 00:00:00')
- ? datetime_convert('UTC','UTC','now - 30 days','Y-m-d\TH:i:s\Z')
- : datetime_convert('UTC','UTC',$contact['last-update'],'Y-m-d\TH:i:s\Z'));
+ if($contact['priority'] || $contact['subhub']) {
- $url = $contact['poll'] . '?dfrn_id=' . $contact['dfrn-id'] . '&type=data&last_update=' . $last_update ;
+ $hub_update = true;
+ $update = false;
- $xml = fetch_url($url);
-echo "URL: " . $url;
-echo "XML: " . $xml;
- if(! $xml)
- continue;
+ $t = $contact['last-update'];
- $res = simplexml_load_string($xml);
+ // 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((intval($res->status) != 0) || (! strlen($res->challenge)) || ($res->dfrn_id != $contact['dfrn-id']))
- continue;
- $postvars = array();
+ if($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;
+ }
- $postvars['dfrn_id'] = $contact['dfrn-id'];
- $challenge = hex2bin($res->challenge);
+ /**
+ * 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) && (! $force))
+ continue;
+ }
- openssl_public_decrypt($challenge,$postvars['challenge'],$contact['pubkey']);
+ $importer_uid = $contact['uid'];
+
+ $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
+ intval($importer_uid)
+ );
+ if(! count($r))
+ continue;
- $xml = post_url($contact['poll'],$postvars);
+ $importer = $r[0];
-echo "XML response:" . $xml . "\r\n";
-echo "Length:" . strlen($xml) . "\r\n";
+ logger("poller: poll: IMPORTER: {$importer['name']}, CONTACT: {$contact['name']}");
- if(! strlen($xml)) {
- // an empty response may mean there's nothing new - record the fact that we checked
- $r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1",
- dbesc(datetime_convert()),
- intval($contact['id'])
+ $last_update = (($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)
);
- continue;
- }
- $feed = new SimplePie();
- $feed->set_raw_data($xml);
- $feed->enable_order_by_date(false);
- $feed->init();
+ if($contact['network'] === 'dfrn') {
- foreach($feed->get_items() as $item) {
+ $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
- $deleted = false;
+ if(intval($contact['duplex']) && $contact['dfrn-id'])
+ $idtosend = '0:' . $orig_id;
+ if(intval($contact['duplex']) && $contact['issued-id'])
+ $idtosend = '1:' . $orig_id;
- $rawdelete = $item->get_item_tags("http://purl.org/atompub/tombstones/1.0", 'deleted-entry');
- if(isset($rawdelete[0]['attribs']['']['ref'])) {
- $uri = $rawthread[0]['attribs']['']['ref'];
- $deleted = true;
- if(isset($rawdelete[0]['attribs']['']['when'])) {
- $when = $rawthread[0]['attribs']['']['when'];
- $when = datetime_convert('UTC','UTC', $when, 'Y-m-d H:i:s');
- }
- else
- $when = datetime_convert('UTC','UTC','now','Y-m-d H:i:s');
- }
- if($deleted) {
- $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
- dbesc($uri),
- intval($importer['uid'])
- );
- if(count($r)) {
- if($r[0]['uri'] == $r[0]['parent-uri']) {
- $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s'
- WHERE `parent-uri` = '%s'",
- dbesc($when),
- dbesc($r[0]['uri'])
- );
- }
- else {
- $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s'
- WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
- dbesc($when),
- dbesc($uri),
- intval($importer['uid'])
- );
- }
- }
- continue;
- }
+ $url = $contact['poll'] . '?dfrn_id=' . $idtosend
+ . '&dfrn_version=' . DFRN_PROTOCOL_VERSION
+ . '&type=data&last_update=' . $last_update ;
+
+ $xml = fetch_url($url);
+ logger('poller: handshake with url ' . $url . ' returns xml: ' . $xml, LOGGER_DATA);
- $is_reply = false;
- $item_id = $item->get_id();
- $rawthread = $item->get_item_tags("http://purl.org/syndication/thread/1.0",'in-reply-to');
- if(isset($rawthread[0]['attribs']['']['ref'])) {
- $is_reply = true;
- $parent_uri = $rawthread[0]['attribs']['']['ref'];
- }
+ if(! $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);
- if($is_reply) {
+ // set the last-update so we don't keep polling
- // Have we seen it? If not, import it.
+ $r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1",
+ dbesc(datetime_convert()),
+ intval($contact['id'])
+ );
- $item_id = $item->get_id();
+ continue;
+ }
- $r = q("SELECT `uid`, `last-child`, `edited` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
- dbesc($item_id),
- intval($importer['uid'])
- );
- // FIXME update content if 'updated' changes
- if(count($r)) {
- $allow = $item->get_item_tags('http://purl.org/macgirvin/dfrn/1.0','comment-allow');
- if($allow && $allow[0]['data'] != $r[0]['last-child']) {
- $r = q("UPDATE `item` SET `last-child` = %d WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
- intval($allow[0]['data']),
- dbesc($item_id),
- intval($importer['uid'])
- );
- }
+ if(! strstr($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;
}
- $datarray = get_atom_elements($item);
- $datarray['parent-uri'] = $parent_uri;
- $datarray['uid'] = $importer['uid'];
- $datarray['contact-id'] = $contact['id'];
- $r = post_remote($a,$datarray);
- continue;
- }
- else {
- // Head post of a conversation. Have we seen it? If not, import it.
- $item_id = $item->get_id();
- $r = q("SELECT `uid`, `last-child`, `edited` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
- dbesc($item_id),
- intval($importer['uid'])
- );
- if(count($r)) {
- $allow = $item->get_item_tags('http://purl.org/macgirvin/dfrn/1.0','comment-allow');
- if($allow && $allow[0]['data'] != $r[0]['last-child']) {
- $r = q("UPDATE `item` SET `last-child` = %d WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
- intval($allow[0]['data']),
- dbesc($item_id),
- intval($importer['uid'])
- );
+ $res = simplexml_load_string($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) {
+
+ // did not decode properly - cannot trust this site
continue;
}
- $datarray = get_atom_elements($item);
- $datarray['parent-uri'] = $item_id;
- $datarray['uid'] = $importer['uid'];
- $datarray['contact-id'] = $contact['id'];
- $r = post_remote($a,$datarray);
+ $postvars['dfrn_id'] = $idtosend;
+ $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
+
+ $xml = post_url($contact['poll'],$postvars);
+ }
+ else {
+
+ // $contact['network'] !== 'dfrn'
+
+ $xml = fetch_url($contact['poll']);
+ }
+
+ 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);
+
+ // 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'] === 'stat') && (! $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);
+ }
+ }
}
- }
- $r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1",
- dbesc(datetime_convert()),
- intval($contact['id'])
- );
+ $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
+ }
}
- killme();
-
-
+ return;
+}
+if (array_search(__file__,get_included_files())===0){
+ poller_run($argv,$argc);
+ killme();
+}