include/poller.php

   1 <?php
   2
   3 require_once("boot.php");
   4
   5
   6 function poller_run($argv, $argc){
   7         global $a, $db;
   8
   9         if(is_null($a)) {
  10                 $a = new App;
  11         }
  12
  13         if(is_null($db)) {
  14             @include(".htconfig.php");
  15         require_once("dba.php");
  16             $db = new dba($db_host, $db_user, $db_pass, $db_data);
  17         unset($db_host, $db_user, $db_pass, $db_data);
  18         };
  19
  20
  21         require_once('include/session.php');
  22         require_once('include/datetime.php');
  23         require_once('library/simplepie/simplepie.inc');
  24         require_once('include/items.php');
  25         require_once('include/Contact.php');
  26         require_once('include/email.php');
  27         require_once('include/socgraph.php');
  28
  29         load_config('config');
  30         load_config('system');
  31
  32         $a->set_baseurl(get_config('system','url'));
  33
  34         load_hooks();
  35
  36         logger('poller: start');
  37
  38         // run queue delivery process in the background
  39
  40         proc_run('php',"include/queue.php");
  41
  42         // expire any expired accounts
  43
  44         q("UPDATE user SET `account_expired` = 1 where `account_expired` = 0
  45                 AND `account_expires_on` != '0000-00-00 00:00:00'
  46                 AND `account_expires_on` < UTC_TIMESTAMP() ");
  47
  48         $abandon_days = intval(get_config('system','account_abandon_days'));
  49         if($abandon_days < 1)
  50                 $abandon_days = 0;
  51
  52
  53
  54         // once daily run birthday_updates and then expire in background
  55
  56         $d1 = get_config('system','last_expire_day');
  57         $d2 = intval(datetime_convert('UTC','UTC','now','d'));
  58
  59         if($d2 != intval($d1)) {
  60
  61                 update_contact_birthdays();
  62
  63                 update_suggestions();
  64
  65                 set_config('system','last_expire_day',$d2);
  66                 proc_run('php','include/expire.php');
  67         }
  68
  69         // clear old cache
  70         Cache::clear();
  71
  72         $manual_id  = 0;
  73         $generation = 0;
  74         $hub_update = false;
  75         $force      = false;
  76         $restart    = false;
  77
  78         if(($argc > 1) && ($argv[1] == 'force'))
  79                 $force = true;
  80
  81         if(($argc > 1) && ($argv[1] == 'restart')) {
  82                 $restart = true;
  83                 $generation = intval($argv[2]);
  84                 if(! $generation)
  85                         killme();
  86         }
  87
  88         if(($argc > 1) && intval($argv[1])) {
  89                 $manual_id = intval($argv[1]);
  90                 $force     = true;
  91         }
  92
  93         $sql_extra = (($manual_id) ? " AND `id` = $manual_id " : "");
  94
  95         reload_plugins();
  96
  97         $d = datetime_convert();
  98
  99         if(! $restart)
 100                 proc_run('php','include/cronhooks.php');
 101
 102         // Only poll from those with suitable relationships,
 103         // and which have a polling address and ignore Diaspora since
 104         // we are unable to match those posts with a Diaspora GUID and prevent duplicates.
 105
 106         $abandon_sql = (($abandon_days)
 107                 ? sprintf(" AND `user`.`login_date` > UTC_TIMESTAMP() - INTERVAL %d DAY ", intval($abandon_days))
 108                 : ''
 109         );
 110
 111         $contacts = q("SELECT `contact`.`id` FROM `contact` LEFT JOIN `user` ON `user`.`uid` = `contact`.`uid`
 112                 WHERE ( `rel` = %d OR `rel` = %d ) AND `poll` != ''
 113                 AND NOT `network` IN ( '%s', '%s' )
 114                 $sql_extra
 115                 AND `self` = 0 AND `contact`.`blocked` = 0 AND `contact`.`readonly` = 0
 116                 AND `user`.`account_expired` = 0 $abandon_sql ORDER BY RAND()",
 117                 intval(CONTACT_IS_SHARING),
 118                 intval(CONTACT_IS_FRIEND),
 119                 dbesc(NETWORK_DIASPORA),
 120                 dbesc(NETWORK_FACEBOOK)
 121         );
 122
 123         if(! count($contacts)) {
 124                 return;
 125         }
 126
 127         foreach($contacts as $c) {
 128
 129                 $res = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
 130                         intval($c['id'])
 131                 );
 132
 133                 if((! $res) || (! count($res)))
 134                         continue;
 135
 136                 foreach($res as $contact) {
 137
 138                         $xml = false;
 139
 140                         if($manual_id)
 141                                 $contact['last-update'] = '0000-00-00 00:00:00';
 142
 143                         if($contact['network'] === NETWORK_DFRN)
 144                                 $contact['priority'] = 2;
 145
 146                         if(!get_config('system','ostatus_use_priority') and ($contact['network'] === NETWORK_OSTATUS))
 147                                 $contact['priority'] = 2;
 148
 149                         if($contact['priority'] || $contact['subhub']) {
 150
 151                                 $hub_update = true;
 152                                 $update     = false;
 153
 154                                 $t = $contact['last-update'];
 155
 156                                 // We should be getting everything via a hub. But just to be sure, let's check once a day.
 157                                 // (You can make this more or less frequent if desired by setting 'pushpoll_frequency' appropriately)
 158                                 // This also lets us update our subscription to the hub, and add or replace hubs in case it
 159                                 // changed. We will only update hubs once a day, regardless of 'pushpoll_frequency'.
 160
 161
 162                                 if($contact['subhub']) {
 163                                         $interval = get_config('system','pushpoll_frequency');
 164                                         $contact['priority'] = (($interval !== false) ? intval($interval) : 3);
 165                                         $hub_update = false;
 166
 167                                         if((datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 day")) || $force)
 168                                                         $hub_update = true;
 169                                 }
 170                                 else
 171                                         $hub_update = false;
 172
 173                                 /**
 174                                  * Based on $contact['priority'], should we poll this site now? Or later?
 175                                  */
 176
 177                                 switch ($contact['priority']) {
 178                                         case 5:
 179                                                 if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 month"))
 180                                                         $update = true;
 181                                                 break;
 182                                         case 4:
 183                                                 if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 week"))
 184                                                         $update = true;
 185                                                 break;
 186                                         case 3:
 187                                                 if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 day"))
 188                                                         $update = true;
 189                                                 break;
 190                                         case 2:
 191                                                 if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 12 hour"))
 192                                                         $update = true;
 193                                                 break;
 194                                         case 1:
 195                                         default:
 196                                                 if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 hour"))
 197                                                         $update = true;
 198                                                 break;
 199                                 }
 200                                 if((! $update) && (! $force))
 201                                         continue;
 202                         }
 203
 204                         // Check to see if we are running out of memory - if so spawn a new process and kill this one
 205
 206                         $avail_memory = return_bytes(ini_get('memory_limit'));
 207                         $memused = memory_get_peak_usage(true);
 208                         if(intval($avail_memory)) {
 209                                 if(($memused / $avail_memory) > 0.95) {
 210                                         if($generation + 1 > 10) {
 211                                                 logger('poller: maximum number of spawns exceeded. Terminating.');
 212                                                 killme();
 213                                         }
 214                                         logger('poller: memory exceeded. ' . $memused . ' bytes used. Spawning new poll.');
 215                                         proc_run('php', 'include/poller.php', 'restart', (string) $generation + 1);
 216                                         killme();
 217                                 }
 218                         }
 219
 220                         $importer_uid = $contact['uid'];
 221
 222                         $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
 223                                 intval($importer_uid)
 224                         );
 225                         if(! count($r))
 226                                 continue;
 227
 228                         $importer = $r[0];
 229
 230                         logger("poller: poll: ({$contact['id']}) IMPORTER: {$importer['name']}, CONTACT: {$contact['name']}");
 231
 232                         $last_update = (($contact['last-update'] === '0000-00-00 00:00:00')
 233                                 ? datetime_convert('UTC','UTC','now - 30 days', ATOM_TIME)
 234                                 : datetime_convert('UTC','UTC',$contact['last-update'], ATOM_TIME)
 235                         );
 236
 237                         if($contact['network'] === NETWORK_DFRN) {
 238
 239                                 $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
 240
 241                                 if(intval($contact['duplex']) && $contact['dfrn-id'])
 242                                         $idtosend = '0:' . $orig_id;
 243                                 if(intval($contact['duplex']) && $contact['issued-id'])
 244                                         $idtosend = '1:' . $orig_id;
 245
 246                                 // they have permission to write to us. We already filtered this in the contact query.
 247                                 $perm = 'rw';
 248
 249                                 $url = $contact['poll'] . '?dfrn_id=' . $idtosend
 250                                         . '&dfrn_version=' . DFRN_PROTOCOL_VERSION
 251                                         . '&type=data&last_update=' . $last_update
 252                                         . '&perm=' . $perm ;
 253
 254                                 $handshake_xml = fetch_url($url);
 255
 256                                 logger('poller: handshake with url ' . $url . ' returns xml: ' . $handshake_xml, LOGGER_DATA);
 257
 258
 259                                 if(! $handshake_xml) {
 260                                         logger("poller: $url appears to be dead - marking for death ");
 261                                         // dead connection - might be a transient event, or this might
 262                                         // mean the software was uninstalled or the domain expired.
 263                                         // Will keep trying for one month.
 264                                         mark_for_death($contact);
 265
 266                                         // set the last-update so we don't keep polling
 267
 268                                         $r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1",
 269                                                 dbesc(datetime_convert()),
 270                                                 intval($contact['id'])
 271                                         );
 272
 273                                         continue;
 274                                 }
 275
 276                                 if(! strstr($handshake_xml,'<?xml')) {
 277                                         logger('poller: response from ' . $url . ' did not contain XML.');
 278                                         $r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1",
 279                                                 dbesc(datetime_convert()),
 280                                                 intval($contact['id'])
 281                                         );
 282                                         continue;
 283                                 }
 284
 285
 286                                 $res = parse_xml_string($handshake_xml);
 287
 288                                 if(intval($res->status) == 1) {
 289                                         logger("poller: $url replied status 1 - marking for death ");
 290
 291                                         // we may not be friends anymore. Will keep trying for one month.
 292                                         // set the last-update so we don't keep polling
 293
 294                                         $r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1",
 295                                                 dbesc(datetime_convert()),
 296                                                 intval($contact['id'])
 297                                         );
 298
 299                                         mark_for_death($contact);
 300                                 }
 301                                 else {
 302                                         if($contact['term-date'] != '0000-00-00 00:00:00') {
 303                                                 logger("poller: $url back from the dead - removing mark for death");
 304                                                 unmark_for_death($contact);
 305                                         }
 306                                 }
 307
 308                                 if((intval($res->status) != 0) || (! strlen($res->challenge)) || (! strlen($res->dfrn_id)))
 309                                         continue;
 310
 311                                 if(((float) $res->dfrn_version > 2.21) && ($contact['poco'] == '')) {
 312                                         q("update contact set poco = '%s' where id = %d limit 1",
 313                                                 dbesc(str_replace('/profile/','/poco/', $contact['url'])),
 314                                                 intval($contact['id'])
 315                                         );
 316                                 }
 317
 318                                 $postvars = array();
 319
 320                                 $sent_dfrn_id = hex2bin((string) $res->dfrn_id);
 321                                 $challenge    = hex2bin((string) $res->challenge);
 322
 323                                 $final_dfrn_id = '';
 324
 325                                 if(($contact['duplex']) && strlen($contact['prvkey'])) {
 326                                         openssl_private_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['prvkey']);
 327                                         openssl_private_decrypt($challenge,$postvars['challenge'],$contact['prvkey']);
 328                                 }
 329                                 else {
 330                                         openssl_public_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['pubkey']);
 331                                         openssl_public_decrypt($challenge,$postvars['challenge'],$contact['pubkey']);
 332                                 }
 333
 334                                 $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
 335
 336                                 if(strpos($final_dfrn_id,':') == 1)
 337                                         $final_dfrn_id = substr($final_dfrn_id,2);
 338
 339                                 if($final_dfrn_id != $orig_id) {
 340                                         logger('poller: ID did not decode: ' . $contact['id'] . ' orig: ' . $orig_id . ' final: ' . $final_dfrn_id);
 341                                         // did not decode properly - cannot trust this site
 342                                         continue;
 343                                 }
 344
 345                                 $postvars['dfrn_id'] = $idtosend;
 346                                 $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
 347                                 $postvars['perm'] = 'rw';
 348
 349                                 $xml = post_url($contact['poll'],$postvars);
 350                         }
 351                         elseif(($contact['network'] === NETWORK_OSTATUS)
 352                                 || ($contact['network'] === NETWORK_DIASPORA)
 353                                 || ($contact['network'] === NETWORK_FEED) ) {
 354
 355                                 // Upgrading DB fields from an older Friendica version
 356                                 // Will only do this once per notify-enabled OStatus contact
 357                                 // or if relationship changes
 358
 359                                 $stat_writeable = ((($contact['notify']) && ($contact['rel'] == CONTACT_IS_FOLLOWER || $contact['rel'] == CONTACT_IS_FRIEND)) ? 1 : 0);
 360
 361                                 if($stat_writeable != $contact['writable']) {
 362                                         q("UPDATE `contact` SET `writable` = %d WHERE `id` = %d LIMIT 1",
 363                                                 intval($stat_writeable),
 364                                                 intval($contact['id'])
 365                                         );
 366                                 }
 367
 368                                 // Are we allowed to import from this person?
 369
 370                                 if($contact['rel'] == CONTACT_IS_FOLLOWER || $contact['blocked'] || $contact['readonly'])
 371                                         continue;
 372
 373                                 $xml = fetch_url($contact['poll']);
 374                         }
 375                         elseif($contact['network'] === NETWORK_MAIL || $contact['network'] === NETWORK_MAIL2) {
 376
 377                                 logger("Mail: Fetching");
 378
 379                                 $mail_disabled = ((function_exists('imap_open') && (! get_config('system','imap_disabled'))) ? 0 : 1);
 380                                 if($mail_disabled)
 381                                         continue;
 382
 383                                 logger("Mail: Enabled");
 384
 385                                 $mbox = null;
 386                                 $x = q("SELECT `prvkey` FROM `user` WHERE `uid` = %d LIMIT 1",
 387                                         intval($importer_uid)
 388                                 );
 389                                 $mailconf = q("SELECT * FROM `mailacct` WHERE `server` != '' AND `uid` = %d LIMIT 1",
 390                                         intval($importer_uid)
 391                                 );
 392                                 if(count($x) && count($mailconf)) {
 393                                     $mailbox = construct_mailbox_name($mailconf[0]);
 394                                         $password = '';
 395                                         openssl_private_decrypt(hex2bin($mailconf[0]['pass']),$password,$x[0]['prvkey']);
 396                                         $mbox = email_connect($mailbox,$mailconf[0]['user'],$password);
 397                                         unset($password);
 398                                         logger("Mail: Connect");
 399                                         if($mbox) {
 400                                                 q("UPDATE `mailacct` SET `last_check` = '%s' WHERE `id` = %d AND `uid` = %d LIMIT 1",
 401                                                         dbesc(datetime_convert()),
 402                                                         intval($mailconf[0]['id']),
 403                                                         intval($importer_uid)
 404                                                 );
 405                                         }
 406                                 }
 407                                 if($mbox) {
 408                                         logger("Mail: mbox");
 409
 410                                         $msgs = email_poll($mbox,$contact['addr']);
 411
 412                                         if(count($msgs)) {
 413                                                 logger("Mail: Parsing ".count($msgs)." mails.");
 414
 415                                                 foreach($msgs as $msg_uid) {
 416                                                         logger("Mail: Parsing mail ".$msg_uid);
 417
 418                                                         $datarray = array();
 419                                                         $meta = email_msg_meta($mbox,$msg_uid);
 420                                                         $headers = email_msg_headers($mbox,$msg_uid);
 421
 422                                                         // look for a 'references' header and try and match with a parent item we have locally.
 423
 424                                                         $raw_refs = ((x($headers,'references')) ? str_replace("\t",'',$headers['references']) : '');
 425                                                         $datarray['uri'] = msgid2iri(trim($meta->message_id,'<>'));
 426
 427                                                         if($raw_refs) {
 428                                                                 $refs_arr = explode(' ', $raw_refs);
 429                                                                 if(count($refs_arr)) {
 430                                                                         for($x = 0; $x < count($refs_arr); $x ++)
 431                                                                                 $refs_arr[$x] = "'" . msgid2iri(str_replace(array('<','>',' '),array('','',''),dbesc($refs_arr[$x]))) . "'";
 432                                                                 }
 433                                                                 $qstr = implode(',',$refs_arr);
 434                                                                 $r = q("SELECT `uri` , `parent-uri` FROM `item` WHERE `uri` IN ( $qstr ) AND `uid` = %d LIMIT 1",
 435                                                                         intval($importer_uid)
 436                                                                 );
 437                                                                 if(count($r))
 438                                                                         $datarray['parent-uri'] = $r[0]['uri'];
 439                                                         }
 440
 441
 442                                                         if(! x($datarray,'parent-uri'))
 443                                                                 $datarray['parent-uri'] = $datarray['uri'];
 444
 445                                                         // Have we seen it before?
 446                                                         $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `uri` = '%s' LIMIT 1",
 447                                                                 intval($importer_uid),
 448                                                                 dbesc($datarray['uri'])
 449                                                         );
 450
 451                                                         if(count($r)) {
 452                                                                 logger("Mail: Seen before ".$msg_uid);
 453                                                                 if($meta->deleted && ! $r[0]['deleted']) {
 454                                                                         q("UPDATE `item` SET `deleted` = 1, `changed` = '%s' WHERE `id` = %d LIMIT 1",
 455                                                                                 dbesc(datetime_convert()),
 456                                                                                 intval($r[0]['id'])
 457                                                                         );
 458                                                                 }
 459                                                                 switch ($mailconf[0]['action']) {
 460                                                                         case 0:
 461                                                                                 break;
 462                                                                         case 1:
 463                                                                                 logger("Mail: Deleting ".$msg_uid);
 464                                                                                 imap_delete($mbox, $msg_uid, FT_UID);
 465                                                                                 break;
 466                                                                         case 2:
 467                                                                                 logger("Mail: Mark as seen ".$msg_uid);
 468                                                                                 imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 469                                                                                 break;
 470                                                                         case 3:
 471                                                                                 logger("Mail: Moving ".$msg_uid." to ".$mailconf[0]['movetofolder']);
 472                                                                                 imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 473                                                                                 if ($mailconf[0]['movetofolder'] != "")
 474                                                                                         imap_mail_move($mbox, $msg_uid, $mailconf[0]['movetofolder'], FT_UID);
 475                                                                                 break;
 476                                                                 }
 477                                                                 continue;
 478                                                         }
 479
 480                                                         // Decoding the header
 481                                                         $subject = imap_mime_header_decode($meta->subject);
 482                                                         $datarray['title'] = "";
 483                                                         foreach($subject as $subpart)
 484                                                                 if ($subpart->charset != "default")
 485                                                                         $datarray['title'] .= iconv($subpart->charset, 'UTF-8//IGNORE', $subpart->text);
 486                                                                 else
 487                                                                         $datarray['title'] .= $subpart->text;
 488
 489                                                         $datarray['title'] = notags(trim($datarray['title']));
 490
 491                                                         //$datarray['title'] = notags(trim($meta->subject));
 492                                                         $datarray['created'] = datetime_convert('UTC','UTC',$meta->date);
 493
 494                                                         $r = email_get_msg($mbox,$msg_uid);
 495                                                         if(! $r) {
 496                                                                 logger("Mail: can't fetch msg ".$msg_uid);
 497                                                                 continue;
 498                                                         }
 499                                                         $datarray['body'] = escape_tags($r['body']);
 500
 501                                                         logger("Mail: Importing ".$msg_uid);
 502
 503                                                         // some mailing lists have the original author as 'from' - add this sender info to msg body.
 504                                                         // todo: adding a gravatar for the original author would be cool
 505
 506                                                         if(! stristr($meta->from,$contact['addr'])) {
 507                                                                 $from = imap_mime_header_decode($meta->from);
 508                                                                 $fromdecoded = "";
 509                                                                 foreach($from as $frompart)
 510                                                                         if ($frompart->charset != "default")
 511                                                                                 $fromdecoded .= iconv($frompart->charset, 'UTF-8//IGNORE', $frompart->text);
 512                                                                         else
 513                                                                                 $fromdecoded .= $frompart->text;
 514
 515                                                                 $datarray['body'] = "[b]".t('From: ') . escape_tags($fromdecoded) . "[/b]\n\n" . $datarray['body'];
 516                                                         }
 517
 518                                                         $datarray['uid'] = $importer_uid;
 519                                                         $datarray['contact-id'] = $contact['id'];
 520                                                         if($datarray['parent-uri'] === $datarray['uri'])
 521                                                                 $datarray['private'] = 1;
 522                                                         if(($contact['network'] === NETWORK_MAIL) && (! get_pconfig($importer_uid,'system','allow_public_email_replies'))) {
 523                                                                 $datarray['private'] = 1;
 524                                                                 $datarray['allow_cid'] = '<' . $contact['id'] . '>';
 525                                                         }
 526                                                         $datarray['author-name'] = $contact['name'];
 527                                                         $datarray['author-link'] = 'mailbox';
 528                                                         $datarray['author-avatar'] = $contact['photo'];
 529
 530                                                         $stored_item = item_store($datarray);
 531                                                         q("UPDATE `item` SET `last-child` = 0 WHERE `parent-uri` = '%s' AND `uid` = %d",
 532                                                                 dbesc($datarray['parent-uri']),
 533                                                                 intval($importer_uid)
 534                                                         );
 535                                                         q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d LIMIT 1",
 536                                                                 intval($stored_item)
 537                                                         );
 538                                                         switch ($mailconf[0]['action']) {
 539                                                                 case 0:
 540                                                                         break;
 541                                                                 case 1:
 542                                                                         logger("Mail: Deleting ".$msg_uid);
 543                                                                         imap_delete($mbox, $msg_uid, FT_UID);
 544                                                                         break;
 545                                                                 case 2:
 546                                                                         logger("Mail: Mark as seen ".$msg_uid);
 547                                                                         imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 548                                                                         break;
 549                                                                 case 3:
 550                                                                         logger("Mail: Moving ".$msg_uid." to ".$mailconf[0]['movetofolder']);
 551                                                                         imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 552                                                                         if ($mailconf[0]['movetofolder'] != "")
 553                                                                                 imap_mail_move($mbox, $msg_uid, $mailconf[0]['movetofolder'], FT_UID);
 554                                                                         break;
 555                                                         }
 556                                                 }
 557                                         }
 558
 559                                         imap_close($mbox);
 560                                 }
 561                         }
 562                         elseif($contact['network'] === NETWORK_FACEBOOK) {
 563                                 // This is picked up by the Facebook plugin on a cron hook.
 564                                 // Ignored here.
 565                         }
 566
 567                         if($xml) {
 568                                 logger('poller: received xml : ' . $xml, LOGGER_DATA);
 569
 570                                 if(! strstr($xml,'<?xml')) {
 571                                         logger('poller: post_handshake: response from ' . $url . ' did not contain XML.');
 572                                         $r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1",
 573                                                 dbesc(datetime_convert()),
 574                                                 intval($contact['id'])
 575                                         );
 576                                         continue;
 577                                 }
 578
 579
 580                                 consume_feed($xml,$importer,$contact,$hub,1,1);
 581
 582                                 // do it twice. Ensures that children of parents which may be later in the stream aren't tossed
 583
 584                                 consume_feed($xml,$importer,$contact,$hub,1,2);
 585
 586                                 $hubmode = 'subscribe';
 587                                 if($contact['network'] === NETWORK_DFRN || $contact['blocked'] || $contact['readonly'])
 588                                         $hubmode = 'unsubscribe';
 589
 590                                 if((strlen($hub)) && ($hub_update) && ($contact['rel'] != CONTACT_IS_FOLLOWER)) {
 591                                         logger('poller: hub ' . $hubmode . ' : ' . $hub . ' contact name : ' . $contact['name'] . ' local user : ' . $importer['name']);
 592                                         $hubs = explode(',', $hub);
 593                                         if(count($hubs)) {
 594                                                 foreach($hubs as $h) {
 595                                                         $h = trim($h);
 596                                                         if(! strlen($h))
 597                                                                 continue;
 598                                                         subscribe_to_hub($h,$importer,$contact,$hubmode);
 599                                                 }
 600                                         }
 601                                 }
 602                         }
 603
 604
 605                         $updated = datetime_convert();
 606
 607                         $r = q("UPDATE `contact` SET `last-update` = '%s', `success_update` = '%s' WHERE `id` = %d LIMIT 1",
 608                                 dbesc($updated),
 609                                 dbesc($updated),
 610                                 intval($contact['id'])
 611                         );
 612
 613
 614                         // load current friends if possible.
 615
 616                         if($contact['poco']) {
 617                                 $r = q("SELECT count(*) as total from glink
 618                                         where `cid` = %d and updated > UTC_TIMESTAMP() - INTERVAL 1 DAY",
 619                                         intval($contact['id'])
 620                                 );
 621                         }
 622                         if(count($r)) {
 623                                 if(! $r[0]['total']) {
 624                                         poco_load($contact['id'],$importer_uid,$contact['poco']);
 625                                 }
 626                         }
 627
 628                         // loop - next contact
 629                 }
 630         }
 631
 632
 633         return;
 634 }
 635
 636 if (array_search(__file__,get_included_files())===0){
 637   poller_run($argv,$argc);
 638   killme();
 639 }