include/notifier.php

   1 <?php
   2 require_once("boot.php");
   3 require_once('include/queue_fn.php');
   4 require_once('include/html2plain.php');
   5
   6 /*
   7  * This file was at one time responsible for doing all deliveries, but this caused
   8  * big problems on shared hosting systems, where the process might get killed by the
   9  * hosting provider and nothing would get delivered.
  10  * It now only delivers one message under certain cases, and invokes a queued
  11  * delivery mechanism (include/deliver.php) to deliver individual contacts at
  12  * controlled intervals.
  13  * This has a much better chance of surviving random processes getting killed
  14  * by the hosting provider.
  15  * A lot of this code is duplicated in include/deliver.php until we have time to go back
  16  * and re-structure the delivery procedure based on the obstacles that have been thrown at
  17  * us by hosting providers.
  18  */
  19
  20 /*
  21  * The notifier is typically called with:
  22  *
  23  *              proc_run('php', "include/notifier.php", COMMAND, ITEM_ID);
  24  *
  25  * where COMMAND is one of the following:
  26  *
  27  *              activity                                (in diaspora.php, dfrn_confirm.php, profiles.php)
  28  *              comment-import                  (in diaspora.php, items.php)
  29  *              comment-new                             (in item.php)
  30  *              drop                                    (in diaspora.php, items.php, photos.php)
  31  *              edit_post                               (in item.php)
  32  *              event                                   (in events.php)
  33  *              expire                                  (in items.php)
  34  *              like                                    (in like.php, poke.php)
  35  *              mail                                    (in message.php)
  36  *              suggest                                 (in fsuggest.php)
  37  *              tag                                             (in photos.php, poke.php, tagger.php)
  38  *              tgroup                                  (in items.php)
  39  *              wall-new                                (in photos.php, item.php)
  40  *
  41  * and ITEM_ID is the id of the item in the database that needs to be sent to others.
  42  */
  43
  44
  45 function notifier_run(&$argv, &$argc){
  46         global $a, $db;
  47
  48         if(is_null($a)){
  49                 $a = new App;
  50         }
  51
  52         if(is_null($db)) {
  53                 @include(".htconfig.php");
  54                 require_once("dba.php");
  55                 $db = new dba($db_host, $db_user, $db_pass, $db_data);
  56                         unset($db_host, $db_user, $db_pass, $db_data);
  57         }
  58
  59         require_once("session.php");
  60         require_once("datetime.php");
  61         require_once('include/items.php');
  62         require_once('include/bbcode.php');
  63         require_once('include/email.php');
  64         load_config('config');
  65         load_config('system');
  66
  67         load_hooks();
  68
  69         if($argc < 3)
  70                 return;
  71
  72         $a->set_baseurl(get_config('system','url'));
  73
  74         logger('notifier: invoked: ' . print_r($argv,true), LOGGER_DEBUG);
  75
  76         $cmd = $argv[1];
  77
  78         switch($cmd) {
  79                 case 'mail':
  80                 default:
  81                         $item_id = intval($argv[2]);
  82                         if(! $item_id){
  83                                 return;
  84                         }
  85                         break;
  86         }
  87
  88         $expire = false;
  89         $mail = false;
  90         $fsuggest = false;
  91     $relocate = false;
  92         $top_level = false;
  93         $recipients = array();
  94         $url_recipients = array();
  95
  96         $normal_mode = true;
  97
  98         if($cmd === 'mail') {
  99                 $normal_mode = false;
 100                 $mail = true;
 101                 $message = q("SELECT * FROM `mail` WHERE `id` = %d LIMIT 1",
 102                                 intval($item_id)
 103                 );
 104                 if(! count($message)){
 105                         return;
 106                 }
 107                 $uid = $message[0]['uid'];
 108                 $recipients[] = $message[0]['contact-id'];
 109                 $item = $message[0];
 110
 111         }
 112         elseif($cmd === 'expire') {
 113                 $normal_mode = false;
 114                 $expire = true;
 115                 $items = q("SELECT * FROM `item` WHERE `uid` = %d AND `wall` = 1
 116                         AND `deleted` = 1 AND `changed` > UTC_TIMESTAMP() - INTERVAL 10 MINUTE",
 117                         intval($item_id)
 118                 );
 119                 $uid = $item_id;
 120                 $item_id = 0;
 121                 if(! count($items))
 122                         return;
 123         }
 124         elseif($cmd === 'suggest') {
 125                 $normal_mode = false;
 126                 $fsuggest = true;
 127
 128                 $suggest = q("SELECT * FROM `fsuggest` WHERE `id` = %d LIMIT 1",
 129                         intval($item_id)
 130                 );
 131                 if(! count($suggest))
 132                         return;
 133                 $uid = $suggest[0]['uid'];
 134                 $recipients[] = $suggest[0]['cid'];
 135                 $item = $suggest[0];
 136         }
 137     elseif($cmd === 'relocate') {
 138         $normal_mode = false;
 139                 $relocate = true;
 140         $uid = $item_id;
 141     }
 142         else {
 143
 144                 // find ancestors
 145                 $r = q("SELECT * FROM `item` WHERE `id` = %d and visible = 1 and moderated = 0 LIMIT 1",
 146                         intval($item_id)
 147                 );
 148
 149                 if((! count($r)) || (! intval($r[0]['parent']))) {
 150                         return;
 151                 }
 152
 153                 $target_item = $r[0];
 154                 $parent_id = intval($r[0]['parent']);
 155                 $uid = $r[0]['uid'];
 156                 $updated = $r[0]['edited'];
 157
 158                 // POSSIBLE CLEANUP --> The following seems superfluous. We've already checked for "if (! intval($r[0]['parent']))" a few lines up
 159                 if(! $parent_id)
 160                         return;
 161
 162                 $items = q("SELECT `item`.*, `sign`.`signed_text`,`sign`.`signature`,`sign`.`signer`
 163                         FROM `item` LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id` WHERE `parent` = %d and visible = 1 and moderated = 0 ORDER BY `id` ASC",
 164                         intval($parent_id)
 165                 );
 166
 167                 if(! count($items)) {
 168                         return;
 169                 }
 170
 171                 // avoid race condition with deleting entries
 172
 173                 if($items[0]['deleted']) {
 174                         foreach($items as $item)
 175                                 $item['deleted'] = 1;
 176                 }
 177
 178                 if((count($items) == 1) && ($items[0]['id'] === $target_item['id']) && ($items[0]['uri'] === $items[0]['parent-uri'])) {
 179                         logger('notifier: top level post');
 180                         $top_level = true;
 181                 }
 182
 183         }
 184
 185         $r = q("SELECT `contact`.*, `user`.`pubkey` AS `upubkey`, `user`.`prvkey` AS `uprvkey`,
 186                 `user`.`timezone`, `user`.`nickname`, `user`.`sprvkey`, `user`.`spubkey`,
 187                 `user`.`page-flags`, `user`.`prvnets`
 188                 FROM `contact` LEFT JOIN `user` ON `user`.`uid` = `contact`.`uid`
 189                 WHERE `contact`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
 190                 intval($uid)
 191         );
 192
 193         if(! count($r))
 194                 return;
 195
 196         $owner = $r[0];
 197
 198         $walltowall = ((($top_level) && ($owner['id'] != $items[0]['contact-id'])) ? true : false);
 199
 200         $hub = get_config('system','huburl');
 201
 202         // If this is a public conversation, notify the feed hub
 203         $public_message = true;
 204
 205         // fill this in with a single salmon slap if applicable
 206         $slap = '';
 207
 208         if(! ($mail || $fsuggest || $relocate)) {
 209
 210                 require_once('include/group.php');
 211
 212                 $parent = $items[0];
 213
 214                 // This is IMPORTANT!!!!
 215
 216                 // We will only send a "notify owner to relay" or followup message if the referenced post
 217                 // originated on our system by virtue of having our hostname somewhere
 218                 // in the URI, AND it was a comment (not top_level) AND the parent originated elsewhere.
 219
 220                 // if $parent['wall'] == 1 we will already have the parent message in our array
 221                 // and we will relay the whole lot.
 222
 223                 // expire sends an entire group of expire messages and cannot be forwarded.
 224                 // However the conversation owner will be a part of the conversation and will
 225                 // be notified during this run.
 226                 // Other DFRN conversation members will be alerted during polled updates.
 227
 228
 229
 230                 // Diaspora members currently are not notified of expirations, and other networks have
 231                 // either limited or no ability to process deletions. We should at least fix Diaspora
 232                 // by stringing togther an array of retractions and sending them onward.
 233
 234
 235                 $localhost = str_replace('www.','',$a->get_hostname());
 236                 if(strpos($localhost,':'))
 237                         $localhost = substr($localhost,0,strpos($localhost,':'));
 238
 239                 /**
 240                  *
 241                  * Be VERY CAREFUL if you make any changes to the following several lines. Seemingly innocuous changes
 242                  * have been known to cause runaway conditions which affected several servers, along with
 243                  * permissions issues.
 244                  *
 245                  */
 246
 247                 $relay_to_owner = false;
 248
 249                 if((! $top_level) && ($parent['wall'] == 0) && (! $expire) && (stristr($target_item['uri'],$localhost))) {
 250                         $relay_to_owner = true;
 251                 }
 252
 253
 254                 if(($cmd === 'uplink') && (intval($parent['forum_mode']) == 1) && (! $top_level)) {
 255                         $relay_to_owner = true;
 256                 }
 257
 258                 // until the 'origin' flag has been in use for several months
 259                 // we will just use it as a fallback test
 260                 // later we will be able to use it as the primary test of whether or not to relay.
 261
 262                 if(! $target_item['origin'])
 263                         $relay_to_owner = false;
 264
 265                 if($parent['origin'])
 266                         $relay_to_owner = false;
 267
 268
 269
 270                 if($relay_to_owner) {
 271                         logger('notifier: followup', LOGGER_DEBUG);
 272                         // local followup to remote post
 273                         $followup = true;
 274                         $public_message = false; // not public
 275                         $conversant_str = dbesc($parent['contact-id']);
 276                 }
 277                 else {
 278                         $followup = false;
 279
 280                         // don't send deletions onward for other people's stuff
 281
 282                         if($target_item['deleted'] && (! intval($target_item['wall']))) {
 283                                 logger('notifier: ignoring delete notification for non-wall item');
 284                                 return;
 285                         }
 286
 287                         if((strlen($parent['allow_cid']))
 288                                 || (strlen($parent['allow_gid']))
 289                                 || (strlen($parent['deny_cid']))
 290                                 || (strlen($parent['deny_gid']))) {
 291                                 $public_message = false; // private recipients, not public
 292                         }
 293
 294                         $allow_people = expand_acl($parent['allow_cid']);
 295                         $allow_groups = expand_groups(expand_acl($parent['allow_gid']));
 296                         $deny_people  = expand_acl($parent['deny_cid']);
 297                         $deny_groups  = expand_groups(expand_acl($parent['deny_gid']));
 298
 299                         // if our parent is a public forum (forum_mode == 1), uplink to the origional author causing
 300                         // a delivery fork. private groups (forum_mode == 2) do not uplink
 301
 302                         if((intval($parent['forum_mode']) == 1) && (! $top_level) && ($cmd !== 'uplink')) {
 303                                 proc_run('php','include/notifier.php','uplink',$item_id);
 304                         }
 305
 306                         $conversants = array();
 307
 308                         foreach($items as $item) {
 309                                 $recipients[] = $item['contact-id'];
 310                                 $conversants[] = $item['contact-id'];
 311                                 // pull out additional tagged people to notify (if public message)
 312                                 if($public_message && strlen($item['inform'])) {
 313                                         $people = explode(',',$item['inform']);
 314                                         foreach($people as $person) {
 315                                                 if(substr($person,0,4) === 'cid:') {
 316                                                         $recipients[] = intval(substr($person,4));
 317                                                         $conversants[] = intval(substr($person,4));
 318                                                 }
 319                                                 else {
 320                                                         $url_recipients[] = substr($person,4);
 321                                                 }
 322                                         }
 323                                 }
 324                         }
 325
 326                         logger('notifier: url_recipients' . print_r($url_recipients,true));
 327
 328                         $conversants = array_unique($conversants);
 329
 330
 331                         $recipients = array_unique(array_merge($recipients,$allow_people,$allow_groups));
 332                         $deny = array_unique(array_merge($deny_people,$deny_groups));
 333                         $recipients = array_diff($recipients,$deny);
 334
 335                         $conversant_str = dbesc(implode(', ',$conversants));
 336                 }
 337
 338                 $r = q("SELECT * FROM `contact` WHERE `id` IN ( $conversant_str ) AND `blocked` = 0 AND `pending` = 0 AND `archive` = 0");
 339
 340                 if(count($r))
 341                         $contacts = $r;
 342         }
 343
 344         $feed_template = get_markup_template('atom_feed.tpl');
 345         $mail_template = get_markup_template('atom_mail.tpl');
 346
 347         $atom = '';
 348         $slaps = array();
 349
 350         $hubxml = feed_hublinks();
 351
 352         $birthday = feed_birthday($owner['uid'],$owner['timezone']);
 353
 354         if(strlen($birthday))
 355                 $birthday = '<dfrn:birthday>' . xmlify($birthday) . '</dfrn:birthday>';
 356
 357         $atom .= replace_macros($feed_template, array(
 358                         '$version'      => xmlify(FRIENDICA_VERSION),
 359                         '$feed_id'      => xmlify($a->get_baseurl() . '/profile/' . $owner['nickname'] ),
 360                         '$feed_title'   => xmlify($owner['name']),
 361                         '$feed_updated' => xmlify(datetime_convert('UTC', 'UTC', $updated . '+00:00' , ATOM_TIME)) ,
 362                         '$hub'          => $hubxml,
 363                         '$salmon'       => '',  // private feed, we don't use salmon here
 364                         '$name'         => xmlify($owner['name']),
 365                         '$profile_page' => xmlify($owner['url']),
 366                         '$photo'        => xmlify($owner['photo']),
 367                         '$thumb'        => xmlify($owner['thumb']),
 368                         '$picdate'      => xmlify(datetime_convert('UTC','UTC',$owner['avatar-date'] . '+00:00' , ATOM_TIME)) ,
 369                         '$uridate'      => xmlify(datetime_convert('UTC','UTC',$owner['uri-date']    . '+00:00' , ATOM_TIME)) ,
 370                         '$namdate'      => xmlify(datetime_convert('UTC','UTC',$owner['name-date']   . '+00:00' , ATOM_TIME)) ,
 371                         '$birthday'     => $birthday,
 372                         '$community'    => (($owner['page-flags'] == PAGE_COMMUNITY) ? '<dfrn:community>1</dfrn:community>' : '')
 373
 374         ));
 375
 376         if($mail) {
 377                 $public_message = false;  // mail is  not public
 378
 379                 $body = fix_private_photos($item['body'],$owner['uid'],null,$message[0]['contact-id']);
 380
 381                 $atom .= replace_macros($mail_template, array(
 382                         '$name'         => xmlify($owner['name']),
 383                         '$profile_page' => xmlify($owner['url']),
 384                         '$thumb'        => xmlify($owner['thumb']),
 385                         '$item_id'      => xmlify($item['uri']),
 386                         '$subject'      => xmlify($item['title']),
 387                         '$created'      => xmlify(datetime_convert('UTC', 'UTC', $item['created'] . '+00:00' , ATOM_TIME)),
 388                         '$content'      => xmlify($body),
 389                         '$parent_id'    => xmlify($item['parent-uri'])
 390                 ));
 391         }
 392         elseif($fsuggest) {
 393                 $public_message = false;  // suggestions are not public
 394
 395                 $sugg_template = get_markup_template('atom_suggest.tpl');
 396
 397                 $atom .= replace_macros($sugg_template, array(
 398                         '$name'         => xmlify($item['name']),
 399                         '$url'          => xmlify($item['url']),
 400                         '$photo'        => xmlify($item['photo']),
 401                         '$request'      => xmlify($item['request']),
 402                         '$note'         => xmlify($item['note'])
 403                 ));
 404
 405                 // We don't need this any more
 406
 407                 q("DELETE FROM `fsuggest` WHERE `id` = %d LIMIT 1",
 408                         intval($item['id'])
 409                 );
 410
 411         }
 412     elseif($relocate) {
 413         $public_message = false;  // suggestions are not public
 414
 415                 $sugg_template = get_markup_template('atom_relocate.tpl');
 416
 417                 /* get site pubkey. this could be a new installation with no site keys*/
 418                 $pubkey = get_config('system','site_pubkey');
 419                 if(! $pubkey) {
 420                         $res = new_keypair(1024);
 421                         set_config('system','site_prvkey', $res['prvkey']);
 422                         set_config('system','site_pubkey', $res['pubkey']);
 423                 }
 424
 425                 $rp = q("SELECT `resource-id` , `scale`, type FROM `photo`
 426                                                 WHERE `profile` = 1 AND `uid` = %d ORDER BY scale;", $uid);
 427                 $photos = array();
 428                 $ext = Photo::supportedTypes();
 429                 foreach($rp as $p){
 430                         $photos[$p['scale']] = $a->get_baseurl().'/photo/'.$p['resource-id'].'-'.$p['scale'].'.'.$ext[$p['type']];
 431                 }
 432                 unset($rp, $ext);
 433
 434         $atom .= replace_macros($sugg_template, array(
 435             '$name' => xmlify($owner['name']),
 436             '$photo' => xmlify($photos[4]),
 437             '$thumb' => xmlify($photos[5]),
 438             '$micro' => xmlify($photos[6]),
 439             '$url' => xmlify($owner['url']),
 440             '$request' => xmlify($owner['request']),
 441             '$confirm' => xmlify($owner['confirm']),
 442             '$notify' => xmlify($owner['notify']),
 443             '$poll' => xmlify($owner['poll']),
 444             '$sitepubkey' => xmlify(get_config('system','site_pubkey')),
 445             //'$pubkey' => xmlify($owner['pubkey']),
 446             //'$prvkey' => xmlify($owner['prvkey']),
 447                 ));
 448         $recipients_relocate = q("SELECT * FROM contact WHERE uid = %d  AND self = 0 AND network = '%s'" , intval($uid), NETWORK_DFRN);
 449                 unset($photos);
 450     }
 451         else {
 452                 if($followup) {
 453                         foreach($items as $item) {  // there is only one item
 454                                 if(! $item['parent'])
 455                                         continue;
 456                                 if($item['id'] == $item_id) {
 457                                         logger('notifier: followup: item: ' . print_r($item,true), LOGGER_DATA);
 458                                         $slap  = atom_entry($item,'html',null,$owner,false);
 459                                         $atom .= atom_entry($item,'text',null,$owner,false);
 460                                 }
 461                         }
 462                 }
 463                 else {
 464                         foreach($items as $item) {
 465
 466                                 if(! $item['parent'])
 467                                         continue;
 468
 469                                 // private emails may be in included in public conversations. Filter them.
 470
 471                                 if(($public_message) && $item['private'] == 1)
 472                                         continue;
 473
 474
 475                                 $contact = get_item_contact($item,$contacts);
 476
 477                                 if(! $contact)
 478                                         continue;
 479
 480                                 if($normal_mode) {
 481
 482                                         // we only need the current item, but include the parent because without it
 483                                         // older sites without a corresponding dfrn_notify change may do the wrong thing.
 484
 485                                     if($item_id == $item['id'] || $item['id'] == $item['parent'])
 486                                                 $atom .= atom_entry($item,'text',null,$owner,true);
 487                                 }
 488                                 else
 489                                         $atom .= atom_entry($item,'text',null,$owner,true);
 490
 491                                 if(($top_level) && ($public_message) && ($item['author-link'] === $item['owner-link']) && (! $expire))
 492                                         $slaps[] = atom_entry($item,'html',null,$owner,true);
 493                         }
 494                 }
 495         }
 496         $atom .= '</feed>' . "\r\n";
 497
 498         logger('notifier: ' . $atom, LOGGER_DATA);
 499
 500         logger('notifier: slaps: ' . print_r($slaps,true), LOGGER_DATA);
 501
 502         // If this is a public message and pubmail is set on the parent, include all your email contacts
 503
 504         $mail_disabled = ((function_exists('imap_open') && (! get_config('system','imap_disabled'))) ? 0 : 1);
 505
 506         if(! $mail_disabled) {
 507                 if((! strlen($target_item['allow_cid'])) && (! strlen($target_item['allow_gid']))
 508                         && (! strlen($target_item['deny_cid'])) && (! strlen($target_item['deny_gid']))
 509                         && (intval($target_item['pubmail']))) {
 510                         $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `network` = '%s'",
 511                                 intval($uid),
 512                                 dbesc(NETWORK_MAIL)
 513                         );
 514                         if(count($r)) {
 515                                 foreach($r as $rr)
 516                                         $recipients[] = $rr['id'];
 517                         }
 518                 }
 519         }
 520
 521         if($followup)
 522                 $recip_str = $parent['contact-id'];
 523         else
 524                 $recip_str = implode(', ', $recipients);
 525
 526     if ($relocate)
 527         $r = $recipients_relocate;
 528     else
 529         $r = q("SELECT * FROM `contact` WHERE `id` IN ( %s ) AND `blocked` = 0 AND `pending` = 0 ",
 530             dbesc($recip_str)
 531         );
 532
 533
 534         require_once('include/salmon.php');
 535
 536         $interval = ((get_config('system','delivery_interval') === false) ? 2 : intval(get_config('system','delivery_interval')));
 537
 538         // delivery loop
 539
 540         if(count($r)) {
 541
 542                 foreach($r as $contact) {
 543                         if((! $mail) && (! $fsuggest) && (! $followup) && (!$relocate) && (! $contact['self'])) {
 544                                 if(($contact['network'] === NETWORK_DIASPORA) && ($public_message))
 545                                         continue;
 546                                 q("insert into deliverq ( `cmd`,`item`,`contact` ) values ('%s', %d, %d )",
 547                                         dbesc($cmd),
 548                                         intval($item_id),
 549                                         intval($contact['id'])
 550                                 );
 551                         }
 552                 }
 553
 554
 555                 // This controls the number of deliveries to execute with each separate delivery process.
 556                 // By default we'll perform one delivery per process. Assuming a hostile shared hosting
 557                 // provider, this provides the greatest chance of deliveries if processes start getting
 558                 // killed. We can also space them out with the delivery_interval to also help avoid them
 559                 // getting whacked.
 560
 561                 // If $deliveries_per_process > 1, we will chain this number of multiple deliveries
 562                 // together into a single process. This will reduce the overall number of processes
 563                 // spawned for each delivery, but they will run longer.
 564
 565                 $deliveries_per_process = intval(get_config('system','delivery_batch_count'));
 566                 if($deliveries_per_process <= 0)
 567                         $deliveries_per_process = 1;
 568
 569                 $this_batch = array();
 570
 571                 for($x = 0; $x < count($r); $x ++) {
 572                         $contact = $r[$x];
 573
 574                         if($contact['self'])
 575                                 continue;
 576
 577                         // potentially more than one recipient. Start a new process and space them out a bit.
 578                         // we will deliver single recipient types of message and email recipients here.
 579
 580                         if((! $mail) && (! $fsuggest) && (!$relocate) && (! $followup)) {
 581
 582                                 $this_batch[] = $contact['id'];
 583
 584                                 if(count($this_batch) == $deliveries_per_process) {
 585                                         proc_run('php','include/delivery.php',$cmd,$item_id,$this_batch);
 586                                         $this_batch = array();
 587                                         if($interval)
 588                                                 @time_sleep_until(microtime(true) + (float) $interval);
 589                                 }
 590                                 continue;
 591                         }
 592
 593                         $deliver_status = 0;
 594
 595                         logger("main delivery by notifier: followup=$followup mail=$mail fsuggest=$fsuggest relocate=$relocate");
 596
 597                         switch($contact['network']) {
 598                                 case NETWORK_DFRN:
 599
 600                                         // perform local delivery if we are on the same site
 601
 602                                         $basepath =  implode('/', array_slice(explode('/',$contact['url']),0,3));
 603
 604                                         if(link_compare($basepath,$a->get_baseurl())) {
 605
 606                                                 $nickname = basename($contact['url']);
 607                                                 if($contact['issued-id'])
 608                                                         $sql_extra = sprintf(" AND `dfrn-id` = '%s' ", dbesc($contact['issued-id']));
 609                                                 else
 610                                                         $sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($contact['dfrn-id']));
 611
 612                                                 $x = q("SELECT  `contact`.*, `contact`.`uid` AS `importer_uid`,
 613                                                         `contact`.`pubkey` AS `cpubkey`,
 614                                                         `contact`.`prvkey` AS `cprvkey`,
 615                                                         `contact`.`thumb` AS `thumb`,
 616                                                         `contact`.`url` as `url`,
 617                                                         `contact`.`name` as `senderName`,
 618                                                         `user`.*
 619                                                         FROM `contact`
 620                                                         LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
 621                                                         WHERE `contact`.`blocked` = 0 AND `contact`.`archive` = 0
 622                                                         AND `contact`.`pending` = 0
 623                                                         AND `contact`.`network` = '%s' AND `user`.`nickname` = '%s'
 624                                                         $sql_extra
 625                                                         AND `user`.`account_expired` = 0 LIMIT 1",
 626                                                         dbesc(NETWORK_DFRN),
 627                                                         dbesc($nickname)
 628                                                 );
 629
 630                                                 if($x && count($x)) {
 631                                                         $write_flag = ((($x[0]['rel']) && ($x[0]['rel'] != CONTACT_IS_SHARING)) ? true : false);
 632                                                         if((($owner['page-flags'] == PAGE_COMMUNITY) || ($write_flag)) && (! $x[0]['writable'])) {
 633                                                                 q("update contact set writable = 1 where id = %d limit 1",
 634                                                                         intval($x[0]['id'])
 635                                                                 );
 636                                                                 $x[0]['writable'] = 1;
 637                                                         }
 638
 639                                                         // if contact's ssl policy changed, which we just determined
 640                                                         // is on our own server, update our contact links
 641
 642                                                         $ssl_policy = get_config('system','ssl_policy');
 643                                                         fix_contact_ssl_policy($x[0],$ssl_policy);
 644
 645                                                         // If we are setup as a soapbox we aren't accepting input from this person
 646
 647                                                         if($x[0]['page-flags'] == PAGE_SOAPBOX)
 648                                                                 break;
 649
 650                                                         require_once('library/simplepie/simplepie.inc');
 651                                                         logger('mod-delivery: local delivery');
 652                                                         local_delivery($x[0],$atom);
 653                                                         break;
 654                                                 }
 655                                         }
 656
 657
 658
 659                                         logger('notifier: dfrndelivery: ' . $contact['name']);
 660                                         $deliver_status = dfrn_deliver($owner,$contact,$atom);
 661
 662                                         logger('notifier: dfrn_delivery returns ' . $deliver_status);
 663
 664                                         if($deliver_status == (-1)) {
 665                                                 logger('notifier: delivery failed: queuing message');
 666                                                 // queue message for redelivery
 667                                                 add_to_queue($contact['id'],NETWORK_DFRN,$atom);
 668                                         }
 669                                         break;
 670                                 case NETWORK_OSTATUS:
 671
 672                                         // Do not send to ostatus if we are not configured to send to public networks
 673                                         if($owner['prvnets'])
 674                                                 break;
 675                                         if(get_config('system','ostatus_disabled') || get_config('system','dfrn_only'))
 676                                                 break;
 677
 678                                         if($followup && $contact['notify']) {
 679                                                 logger('notifier: slapdelivery: ' . $contact['name']);
 680                                                 $deliver_status = slapper($owner,$contact['notify'],$slap);
 681
 682                                                 if($deliver_status == (-1)) {
 683                                                         // queue message for redelivery
 684                                                         add_to_queue($contact['id'],NETWORK_OSTATUS,$slap);
 685                                                 }
 686                                         }
 687                                         else {
 688
 689                                                 // only send salmon if public - e.g. if it's ok to notify
 690                                                 // a public hub, it's ok to send a salmon
 691
 692                                                 if((count($slaps)) && ($public_message) && (! $expire)) {
 693                                                         logger('notifier: slapdelivery: ' . $contact['name']);
 694                                                         foreach($slaps as $slappy) {
 695                                                                 if($contact['notify']) {
 696                                                                         $deliver_status = slapper($owner,$contact['notify'],$slappy);
 697                                                                         if($deliver_status == (-1)) {
 698                                                                                 // queue message for redelivery
 699                                                                                 add_to_queue($contact['id'],NETWORK_OSTATUS,$slappy);
 700                                                                         }
 701                                                                 }
 702                                                         }
 703                                                 }
 704                                         }
 705                                         break;
 706
 707                                 case NETWORK_MAIL:
 708                                 case NETWORK_MAIL2:
 709
 710                                         if(get_config('system','dfrn_only'))
 711                                                 break;
 712
 713                                         // WARNING: does not currently convert to RFC2047 header encodings, etc.
 714
 715                                         $addr = $contact['addr'];
 716                                         if(! strlen($addr))
 717                                                 break;
 718
 719                                         if($cmd === 'wall-new' || $cmd === 'comment-new') {
 720
 721                                                 $it = null;
 722                                                 if($cmd === 'wall-new')
 723                                                         $it = $items[0];
 724                                                 else {
 725                                                         $r = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 726                                                                 intval($argv[2]),
 727                                                                 intval($uid)
 728                                                         );
 729                                                         if(count($r))
 730                                                                 $it = $r[0];
 731                                                 }
 732                                                 if(! $it)
 733                                                         break;
 734
 735
 736
 737                                                 $local_user = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
 738                                                         intval($uid)
 739                                                 );
 740                                                 if(! count($local_user))
 741                                                         break;
 742
 743                                                 $reply_to = '';
 744                                                 $r1 = q("SELECT * FROM `mailacct` WHERE `uid` = %d LIMIT 1",
 745                                                         intval($uid)
 746                                                 );
 747                                                 if($r1 && $r1[0]['reply_to'])
 748                                                         $reply_to = $r1[0]['reply_to'];
 749
 750                                                 $subject  = (($it['title']) ? email_header_encode($it['title'],'UTF-8') : t("\x28no subject\x29")) ;
 751
 752                                                 // only expose our real email address to true friends
 753
 754                                                 if(($contact['rel'] == CONTACT_IS_FRIEND) && (! $contact['blocked']))
 755                                                         $headers  = 'From: ' . email_header_encode($local_user[0]['username'],'UTF-8') . ' <' . $local_user[0]['email'] . '>' . "\n";
 756                                                 else
 757                                                         $headers  = 'From: ' . email_header_encode($local_user[0]['username'],'UTF-8') . ' <' . t('noreply') . '@' . $a->get_hostname() . '>' . "\n";
 758
 759                                                 if($reply_to)
 760                                                         $headers .= 'Reply-to: ' . $reply_to . "\n";
 761
 762                                                 // for testing purposes: Collect exported mails
 763                                                 //$file = tempnam("/tmp/friendica/", "mail-out2-");
 764                                                 //file_put_contents($file, json_encode($it));
 765
 766                                                 $headers .= 'Message-Id: <' . iri2msgid($it['uri']) . '>' . "\n";
 767
 768                                                 if($it['uri'] !== $it['parent-uri']) {
 769                                                         $headers .= 'References: <' . iri2msgid($it['parent-uri']) . '>' . "\n";
 770                                                         if(!strlen($it['title'])) {
 771                                                                 $r = q("SELECT `title` FROM `item` WHERE `parent-uri` = '%s' LIMIT 1",
 772                                                                         dbesc($it['parent-uri']));
 773
 774                                                                 if(count($r) AND ($r[0]['title'] != ''))
 775                                                                         $subject = $r[0]['title'];
 776                                                         }
 777                                                         if(strncasecmp($subject,'RE:',3))
 778                                                                 $subject = 'Re: '.$subject;
 779                                                 }
 780                                                 email_send($addr, $subject, $headers, $it);
 781                                         }
 782                                         break;
 783                                 case NETWORK_DIASPORA:
 784                                         require_once('include/diaspora.php');
 785
 786                                         if(get_config('system','dfrn_only') || (! get_config('system','diaspora_enabled')))
 787                                                 break;
 788
 789                                         if($mail) {
 790                                                 diaspora_send_mail($item,$owner,$contact);
 791                                                 break;
 792                                         }
 793
 794                                         if(! $normal_mode)
 795                                                 break;
 796
 797                                         // special handling for followup to public post
 798                                         // all other public posts processed as public batches further below
 799
 800                                         if($public_message) {
 801                                                 if($followup)
 802                                                         diaspora_send_followup($target_item,$owner,$contact, true);
 803                                                 break;
 804                                         }
 805
 806                                         if(! $contact['pubkey'])
 807                                                 break;
 808
 809                                         if($target_item['verb'] === ACTIVITY_DISLIKE) {
 810                                                 // unsupported
 811                                                 break;
 812                                         }
 813                                         elseif(($target_item['deleted']) && (($target_item['uri'] === $target_item['parent-uri']) || $followup)) {
 814                                                 // send both top-level retractions and relayable retractions for owner to relay
 815                                                 diaspora_send_retraction($target_item,$owner,$contact);
 816                                                 break;
 817                                         }
 818                                         elseif($followup) {
 819                                                 // send comments and likes to owner to relay
 820                                                 diaspora_send_followup($target_item,$owner,$contact);
 821                                                 break;
 822                                         }
 823                                         elseif($target_item['uri'] !== $target_item['parent-uri']) {
 824                                                 // we are the relay - send comments, likes and relayable_retractions
 825                                                 // (of comments and likes) to our conversants
 826                                                 diaspora_send_relay($target_item,$owner,$contact);
 827                                                 break;
 828                                         }
 829                                         elseif(($top_level) && (! $walltowall)) {
 830                                                 // currently no workable solution for sending walltowall
 831                                                 diaspora_send_status($target_item,$owner,$contact);
 832                                                 break;
 833                                         }
 834
 835                                         break;
 836
 837                                 case NETWORK_FEED:
 838                                 case NETWORK_FACEBOOK:
 839                                         if(get_config('system','dfrn_only'))
 840                                                 break;
 841                                 default:
 842                                         break;
 843                         }
 844                 }
 845         }
 846
 847         // send additional slaps to mentioned remote tags (@foo@example.com)
 848
 849         if($slap && count($url_recipients) && ($followup || $top_level) && $public_message && (! $expire)) {
 850                 if(! get_config('system','dfrn_only')) {
 851                         foreach($url_recipients as $url) {
 852                                 if($url) {
 853                                         logger('notifier: urldelivery: ' . $url);
 854                                         $deliver_status = slapper($owner,$url,$slap);
 855                                         // TODO: redeliver/queue these items on failure, though there is no contact record
 856                                 }
 857                         }
 858                 }
 859         }
 860
 861
 862         if($public_message) {
 863
 864                 $r1 = q("SELECT DISTINCT(`batch`), `id`, `name`,`network` FROM `contact` WHERE `network` = '%s'
 865                         AND `uid` = %d AND `rel` != %d group by `batch` ORDER BY rand() ",
 866                         dbesc(NETWORK_DIASPORA),
 867                         intval($owner['uid']),
 868                         intval(CONTACT_IS_SHARING)
 869                 );
 870
 871                 $r2 = q("SELECT `id`, `name`,`network` FROM `contact`
 872                         WHERE `network` in ( '%s', '%s')  AND `uid` = %d AND `blocked` = 0 AND `pending` = 0 AND `archive` = 0
 873                         AND `rel` != %d order by rand() ",
 874                         dbesc(NETWORK_DFRN),
 875                         dbesc(NETWORK_MAIL2),
 876                         intval($owner['uid']),
 877                         intval(CONTACT_IS_SHARING)
 878                 );
 879
 880                 $r = array_merge($r2,$r1);
 881
 882                 if(count($r)) {
 883                         logger('pubdeliver: ' . print_r($r,true), LOGGER_DEBUG);
 884
 885                         // throw everything into the queue in case we get killed
 886
 887                         foreach($r as $rr) {
 888                                 if((! $mail) && (! $fsuggest) && (! $followup)) {
 889                                         q("insert into deliverq ( `cmd`,`item`,`contact` ) values ('%s', %d, %d )",
 890                                                 dbesc($cmd),
 891                                                 intval($item_id),
 892                                                 intval($rr['id'])
 893                                         );
 894                                 }
 895                         }
 896
 897                         foreach($r as $rr) {
 898
 899                                 // except for Diaspora batch jobs
 900                                 // Don't deliver to folks who have already been delivered to
 901
 902                                 if(($rr['network'] !== NETWORK_DIASPORA) && (in_array($rr['id'],$conversants))) {
 903                                         logger('notifier: already delivered id=' . $rr['id']);
 904                                         continue;
 905                                 }
 906
 907                                 if((! $mail) && (! $fsuggest) && (! $followup)) {
 908                                         logger('notifier: delivery agent: ' . $rr['name'] . ' ' . $rr['id']);
 909                                         proc_run('php','include/delivery.php',$cmd,$item_id,$rr['id']);
 910                                         if($interval)
 911                                                 @time_sleep_until(microtime(true) + (float) $interval);
 912                                 }
 913                         }
 914                 }
 915
 916
 917                 if(strlen($hub)) {
 918                         $hubs = explode(',', $hub);
 919                         if(count($hubs)) {
 920                                 foreach($hubs as $h) {
 921                                         $h = trim($h);
 922                                         if(! strlen($h))
 923                                                 continue;
 924                                         $params = 'hub.mode=publish&hub.url=' . urlencode($a->get_baseurl() . '/dfrn_poll/' . $owner['nickname'] );
 925                                         post_url($h,$params);
 926                                         logger('pubsub: publish: ' . $h . ' ' . $params . ' returned ' . $a->get_curl_code());
 927                                         if(count($hubs) > 1)
 928                                                 sleep(7);                               // try and avoid multiple hubs responding at precisely the same time
 929                                 }
 930                         }
 931                 }
 932
 933         }
 934
 935         // If the item was deleted, clean up the `sign` table
 936         if($target_item['deleted']) {
 937                 $r = q("DELETE FROM sign where `retract_iid` = %d",
 938                         intval($target_item['id'])
 939                 );
 940         }
 941
 942         logger('notifier: calling hooks', LOGGER_DEBUG);
 943
 944         if($normal_mode)
 945                 call_hooks('notifier_normal',$target_item);
 946
 947         call_hooks('notifier_end',$target_item);
 948
 949         return;
 950 }
 951
 952
 953 if (array_search(__file__,get_included_files())===0){
 954   notifier_run($argv,$argc);
 955   killme();
 956 }