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