include/poller.php

   1 <?php
   2
   3
   4 require_once('boot.php');
   5
   6 $a = new App;
   7
   8 @include('.htconfig.php');
   9 require_once('dba.php');
  10 $db = new dba($db_host, $db_user, $db_pass, $db_data, $install);
  11         unset($db_host, $db_user, $db_pass, $db_data);
  12
  13 require_once('session.php');
  14 require_once('datetime.php');
  15 require_once('simplepie/simplepie.inc');
  16 require_once('include/items.php');
  17
  18 if($argc < 2)
  19         exit;
  20
  21         $a->set_baseurl($argv[1]);
  22
  23         $contacts = q("SELECT * FROM `contact` WHERE `dfrn-id` != '' AND `self` = 0 ORDER BY RAND()");
  24
  25         if(! count($contacts))
  26                 killme();
  27
  28         foreach($contacts as $contact) {
  29
  30                 $importer_uid = $contact['uid'];
  31
  32                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
  33                         intval($importer_uid)
  34                 );
  35                 if(! count($r))
  36                         continue;
  37
  38                 $importer = $r[0];
  39
  40                 $last_update = (($contact['last-update'] == '0000-00-00 00:00:00')
  41                         ? datetime_convert('UTC','UTC','now - 30 days','Y-m-d\TH:i:s\Z')
  42                         : datetime_convert('UTC','UTC',$contact['last-update'],'Y-m-d\TH:i:s\Z'));
  43
  44                 $url = $contact['poll'] . '?dfrn_id=' . $contact['dfrn-id'] . '&type=data&last_update=' . $last_update ;
  45
  46                 $xml = fetch_url($url);
  47
  48                 if(! $xml)
  49                         continue;
  50
  51                 $res = simplexml_load_string($xml);
  52
  53                 if((intval($res->status) != 0) || (! strlen($res->challenge)) || ($res->dfrn_id != $contact['dfrn-id']))
  54                         continue;
  55
  56                 $postvars = array();
  57
  58                 $postvars['dfrn_id'] = $contact['dfrn-id'];
  59                 $challenge = hex2bin($res->challenge);
  60
  61                 openssl_public_decrypt($challenge,$postvars['challenge'],$contact['pubkey']);
  62
  63                 $xml = post_url($contact['poll'],$postvars);
  64                 if(! strlen($xml))
  65                         continue;
  66
  67 echo "XML response:" . $xml . "\r\n";
  68 echo "Length:" . strlen($xml) . "\r\n";
  69
  70                 $feed = new SimplePie();
  71                 $feed->set_raw_data($xml);
  72                 $feed->enable_order_by_date(false);
  73                 $feed->init();
  74
  75                 foreach($feed->get_items() as $item) {
  76
  77                         $deleted = false;
  78
  79                         $rawdelete = $item->get_item_tags("http://purl.org/atompub/tombstones/1.0", 'deleted-entry');
  80                         if(isset($rawdelete[0]['attribs']['']['ref'])) {
  81                                 $uri = $rawthread[0]['attribs']['']['ref'];
  82                                 $deleted = true;
  83                                 if(isset($rawdelete[0]['attribs']['']['when'])) {
  84                                         $when = $rawthread[0]['attribs']['']['when'];
  85                                         $when = datetime_convert('UTC','UTC', $when, 'Y-m-d H:i:s');
  86                                 }
  87                                 else
  88                                         $when = datetime_convert('UTC','UTC','now','Y-m-d H:i:s');
  89                         }
  90                         if($deleted) {
  91                                 $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
  92                                         dbesc($uri),
  93                                         intval($importer['uid'])
  94                                 );
  95                                 if(count($r)) {
  96                                         if($r[0]['uri'] == $r[0]['parent-uri']) {
  97                                                 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s'
  98                                                         WHERE `parent-uri` = '%s'",
  99                                                         dbesc($when),
 100                                                         dbesc($r[0]['uri'])
 101                                                 );
 102                                         }
 103                                         else {
 104                                                 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s'
 105                                                         WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 106                                                         dbesc($when),
 107                                                         dbesc($uri),
 108                                                         intval($importer['uid'])
 109                                                 );
 110                                         }
 111                                 }
 112                                 continue;
 113                         }
 114
 115
 116                         $is_reply = false;
 117                         $item_id = $item->get_id();
 118                         $rawthread = $item->get_item_tags("http://purl.org/syndication/thread/1.0",'in-reply-to');
 119                         if(isset($rawthread[0]['attribs']['']['ref'])) {
 120                                 $is_reply = true;
 121                                 $parent_uri = $rawthread[0]['attribs']['']['ref'];
 122                         }
 123
 124
 125                         if($is_reply) {
 126
 127                                 // Have we seen it? If not, import it.
 128
 129                                 $item_id = $item->get_id();
 130
 131                                 $r = q("SELECT `uid`, `last-child`, `edited` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 132                                         dbesc($item_id),
 133                                         intval($importer['uid'])
 134                                 );
 135                                 // FIXME update content if 'updated' changes
 136                                 if(count($r)) {
 137                                         $allow = $item->get_item_tags('http://purl.org/macgirvin/dfrn/1.0','comment-allow');
 138                                         if($allow && $allow[0]['data'] != $r[0]['last-child']) {
 139                                                 $r = q("UPDATE `item` SET `last-child` = %d WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 140                                                         intval($allow[0]['data']),
 141                                                         dbesc($item_id),
 142                                                         intval($importer['uid'])
 143                                                 );
 144                                         }
 145                                         continue;
 146                                 }
 147                                 $datarray = get_atom_elements($item);
 148                                 $datarray['parent-uri'] = $parent_uri;
 149                                 $datarray['uid'] = $importer['uid'];
 150                                 $datarray['contact-id'] = $contact['id'];
 151                                 $r = post_remote($a,$datarray);
 152                                 continue;
 153                         }
 154
 155                         else {
 156                                 // Head post of a conversation. Have we seen it? If not, import it.
 157
 158                                 $item_id = $item->get_id();
 159                                 $r = q("SELECT `uid`, `last-child`, `edited` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 160                                         dbesc($item_id),
 161                                         intval($importer['uid'])
 162                                 );
 163                                 if(count($r)) {
 164                                         $allow = $item->get_item_tags('http://purl.org/macgirvin/dfrn/1.0','comment-allow');
 165                                         if($allow && $allow[0]['data'] != $r[0]['last-child']) {
 166                                                 $r = q("UPDATE `item` SET `last-child` = %d WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 167                                                         intval($allow[0]['data']),
 168                                                         dbesc($item_id),
 169                                                         intval($importer['uid'])
 170                                                 );
 171                                         }
 172                                         continue;
 173                                 }
 174
 175                                 $datarray = get_atom_elements($item);
 176                                 $datarray['parent-uri'] = $item_id;
 177                                 $datarray['uid'] = $importer['uid'];
 178                                 $datarray['contact-id'] = $contact['id'];
 179                                 $r = post_remote($a,$datarray);
 180                                 continue;
 181
 182                         }
 183
 184                 }
 185
 186                 $r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1",
 187                         dbesc(datetime_convert()),
 188                         intval($contact['id'])
 189                 );
 190
 191         }
 192
 193         killme();
 194
 195
 196