include/notifier.php

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