- $importer_uid = $contact['uid'];
-
- $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
- intval($importer_uid)
- );
- if(! count($r))
- continue;
-
- $importer = $r[0];
-
- logger("poller: poll: IMPORTER: {$importer['name']}, CONTACT: {$contact['name']}");
-
- $last_update = (($contact['last-update'] === '0000-00-00 00:00:00')
- ? datetime_convert('UTC','UTC','now - 30 days', ATOM_TIME)
- : datetime_convert('UTC','UTC',$contact['last-update'], ATOM_TIME)
- );
-
- if($contact['network'] === 'dfrn') {
-
- $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
-
- if(intval($contact['duplex']) && $contact['dfrn-id'])
- $idtosend = '0:' . $orig_id;
- if(intval($contact['duplex']) && $contact['issued-id'])
- $idtosend = '1:' . $orig_id;
-
- $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);
-
-
- 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);
-
- // 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'])
- );
-
- continue;
- }
-
- 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;
- }
-
-
- $res = simplexml_load_string($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;
- }
-
- $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);
- }
- }
- }
-
-
- $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