include/notifier.php

   1 <?php
   2 require_once("boot.php");
   3 require_once('include/queue_fn.php');
   4 require_once('include/html2plain.php');
   5
   6 /*
   7  * This file was at one time responsible for doing all deliveries, but this caused
   8  * big problems on shared hosting systems, where the process might get killed by the
   9  * hosting provider and nothing would get delivered.
  10  * It now only delivers one message under certain cases, and invokes a queued
  11  * delivery mechanism (include/deliver.php) to deliver individual contacts at
  12  * controlled intervals.
  13  * This has a much better chance of surviving random processes getting killed
  14  * by the hosting provider.
  15  * A lot of this code is duplicated in include/deliver.php until we have time to go back
  16  * and re-structure the delivery procedure based on the obstacles that have been thrown at
  17  * us by hosting providers.
  18  */
  19
  20 /*
  21  * The notifier is typically called with:
  22  *
  23  *              proc_run('php', "include/notifier.php", COMMAND, ITEM_ID);
  24  *
  25  * where COMMAND is one of the following:
  26  *
  27  *              activity                                (in diaspora.php, dfrn_confirm.php, profiles.php)
  28  *              comment-import                  (in diaspora.php, items.php)
  29  *              comment-new                             (in item.php)
  30  *              drop                                    (in diaspora.php, items.php, photos.php)
  31  *              edit_post                               (in item.php)
  32  *              event                                   (in events.php)
  33  *              expire                                  (in items.php)
  34  *              like                                    (in like.php, poke.php)
  35  *              mail                                    (in message.php)
  36  *              suggest                                 (in fsuggest.php)
  37  *              tag                                             (in photos.php, poke.php, tagger.php)
  38  *              tgroup                                  (in items.php)
  39  *              wall-new                                (in photos.php, item.php)
  40  *              removeme                                (in Contact.php)
  41  *              relocate                                (in uimport.php)
  42  *
  43  * and ITEM_ID is the id of the item in the database that needs to be sent to others.
  44  */
  45
  46
  47 function notifier_run(&$argv, &$argc){
  48         global $a, $db;
  49
  50         if(is_null($a)){
  51                 $a = new App;
  52         }
  53
  54         if(is_null($db)) {
  55                 @include(".htconfig.php");
  56                 require_once("include/dba.php");
  57                 $db = new dba($db_host, $db_user, $db_pass, $db_data);
  58                         unset($db_host, $db_user, $db_pass, $db_data);
  59         }
  60
  61         require_once("include/session.php");
  62         require_once("include/datetime.php");
  63         require_once('include/items.php');
  64         require_once('include/bbcode.php');
  65         require_once('include/email.php');
  66         load_config('config');
  67         load_config('system');
  68
  69         load_hooks();
  70
  71         if($argc < 3)
  72                 return;
  73
  74         $a->set_baseurl(get_config('system','url'));
  75
  76         logger('notifier: invoked: ' . print_r($argv,true), LOGGER_DEBUG);
  77
  78         $cmd = $argv[1];
  79
  80         switch($cmd) {
  81                 case 'mail':
  82                 default:
  83                         $item_id = intval($argv[2]);
  84                         if(! $item_id){
  85                                 return;
  86                         }
  87                         break;
  88         }
  89
  90         $expire = false;
  91         $mail = false;
  92         $fsuggest = false;
  93         $relocate = false;
  94         $top_level = false;
  95         $recipients = array();
  96         $url_recipients = array();
  97
  98         $normal_mode = true;
  99
 100         if($cmd === 'mail') {
 101                 $normal_mode = false;
 102                 $mail = true;
 103                 $message = q("SELECT * FROM `mail` WHERE `id` = %d LIMIT 1",
 104                                 intval($item_id)
 105                 );
 106                 if(! count($message)){
 107                         return;
 108                 }
 109                 $uid = $message[0]['uid'];
 110                 $recipients[] = $message[0]['contact-id'];
 111                 $item = $message[0];
 112
 113         }
 114         elseif($cmd === 'expire') {
 115                 $normal_mode = false;
 116                 $expire = true;
 117                 $items = q("SELECT * FROM `item` WHERE `uid` = %d AND `wall` = 1
 118                         AND `deleted` = 1 AND `changed` > UTC_TIMESTAMP() - INTERVAL 10 MINUTE",
 119                         intval($item_id)
 120                 );
 121                 $uid = $item_id;
 122                 $item_id = 0;
 123                 if(! count($items))
 124                         return;
 125         }
 126         elseif($cmd === 'suggest') {
 127                 $normal_mode = false;
 128                 $fsuggest = true;
 129
 130                 $suggest = q("SELECT * FROM `fsuggest` WHERE `id` = %d LIMIT 1",
 131                         intval($item_id)
 132                 );
 133                 if(! count($suggest))
 134                         return;
 135                 $uid = $suggest[0]['uid'];
 136                 $recipients[] = $suggest[0]['cid'];
 137                 $item = $suggest[0];
 138         } elseif($cmd === 'removeme') {
 139                 $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1", intval($item_id));
 140                 if (! $r)
 141                         return;
 142
 143                 $user = $r[0];
 144                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1", intval($item_id));
 145                 if (! $r)
 146                         return;
 147
 148                 $self = $r[0];
 149                 $r = q("SELECT * FROM `contact` WHERE `self` = 0 AND `uid` = %d", intval($item_id));
 150                 if(! $r)
 151                         return;
 152
 153                 require_once('include/Contact.php');
 154                 foreach($r as $contact) {
 155                         terminate_friendship($user, $self, $contact);
 156                 }
 157                 return;
 158         } elseif($cmd === 'relocate') {
 159                 $normal_mode = false;
 160                 $relocate = true;
 161                 $uid = $item_id;
 162         } else {
 163                 // find ancestors
 164                 $r = q("SELECT * FROM `item` WHERE `id` = %d and visible = 1 and moderated = 0 LIMIT 1",
 165                         intval($item_id)
 166                 );
 167
 168                 if((! count($r)) || (! intval($r[0]['parent']))) {
 169                         return;
 170                 }
 171
 172                 $target_item = $r[0];
 173                 $parent_id = intval($r[0]['parent']);
 174                 $uid = $r[0]['uid'];
 175                 $updated = $r[0]['edited'];
 176
 177                 // POSSIBLE CLEANUP --> The following seems superfluous. We've already checked for "if (! intval($r[0]['parent']))" a few lines up
 178                 if(! $parent_id)
 179                         return;
 180
 181                 $items = q("SELECT `item`.*, `sign`.`signed_text`,`sign`.`signature`,`sign`.`signer`
 182                         FROM `item` LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id` WHERE `parent` = %d and visible = 1 and moderated = 0 ORDER BY `id` ASC",
 183                         intval($parent_id)
 184                 );
 185
 186                 if(! count($items)) {
 187                         return;
 188                 }
 189
 190                 // avoid race condition with deleting entries
 191
 192                 if($items[0]['deleted']) {
 193                         foreach($items as $item)
 194                                 $item['deleted'] = 1;
 195                 }
 196
 197                 if((count($items) == 1) && ($items[0]['id'] === $target_item['id']) && ($items[0]['uri'] === $items[0]['parent-uri'])) {
 198                         logger('notifier: top level post');
 199                         $top_level = true;
 200                 }
 201
 202         }
 203
 204         $r = q("SELECT `contact`.*, `user`.`pubkey` AS `upubkey`, `user`.`prvkey` AS `uprvkey`,
 205                 `user`.`timezone`, `user`.`nickname`, `user`.`sprvkey`, `user`.`spubkey`,
 206                 `user`.`page-flags`, `user`.`prvnets`
 207                 FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
 208                 WHERE `contact`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
 209                 intval($uid)
 210         );
 211
 212         if(! count($r))
 213                 return;
 214
 215         $owner = $r[0];
 216
 217         $walltowall = ((($top_level) && ($owner['id'] != $items[0]['contact-id'])) ? true : false);
 218
 219         $hub = get_config('system','huburl');
 220
 221         // If this is a public conversation, notify the feed hub
 222         $public_message = true;
 223
 224         // Do a PuSH
 225         $push_notify = false;
 226
 227         // fill this in with a single salmon slap if applicable
 228         $slap = '';
 229
 230         if(! ($mail || $fsuggest || $relocate)) {
 231
 232                 require_once('include/group.php');
 233
 234                 $parent = $items[0];
 235
 236                 // This is IMPORTANT!!!!
 237
 238                 // We will only send a "notify owner to relay" or followup message if the referenced post
 239                 // originated on our system by virtue of having our hostname somewhere
 240                 // in the URI, AND it was a comment (not top_level) AND the parent originated elsewhere.
 241
 242                 // if $parent['wall'] == 1 we will already have the parent message in our array
 243                 // and we will relay the whole lot.
 244
 245                 // expire sends an entire group of expire messages and cannot be forwarded.
 246                 // However the conversation owner will be a part of the conversation and will
 247                 // be notified during this run.
 248                 // Other DFRN conversation members will be alerted during polled updates.
 249
 250
 251
 252                 // Diaspora members currently are not notified of expirations, and other networks have
 253                 // either limited or no ability to process deletions. We should at least fix Diaspora
 254                 // by stringing togther an array of retractions and sending them onward.
 255
 256
 257                 $localhost = str_replace('www.','',$a->get_hostname());
 258                 if(strpos($localhost,':'))
 259                         $localhost = substr($localhost,0,strpos($localhost,':'));
 260
 261                 /**
 262                  *
 263                  * Be VERY CAREFUL if you make any changes to the following several lines. Seemingly innocuous changes
 264                  * have been known to cause runaway conditions which affected several servers, along with
 265                  * permissions issues.
 266                  *
 267                  */
 268
 269                 $relay_to_owner = false;
 270
 271                 if((! $top_level) && ($parent['wall'] == 0) && (! $expire) && (stristr($target_item['uri'],$localhost))) {
 272                         $relay_to_owner = true;
 273                 }
 274
 275
 276                 if(($cmd === 'uplink') && (intval($parent['forum_mode']) == 1) && (! $top_level)) {
 277                         $relay_to_owner = true;
 278                 }
 279
 280                 // until the 'origin' flag has been in use for several months
 281                 // we will just use it as a fallback test
 282                 // later we will be able to use it as the primary test of whether or not to relay.
 283
 284                 if(! $target_item['origin'])
 285                         $relay_to_owner = false;
 286
 287                 if($parent['origin'])
 288                         $relay_to_owner = false;
 289
 290                 if($relay_to_owner) {
 291                         logger('notifier: followup', LOGGER_DEBUG);
 292                         // local followup to remote post
 293                         $followup = true;
 294                         $public_message = false; // not public
 295                         $conversant_str = dbesc($parent['contact-id']);
 296                         $recipients = array($parent['contact-id']);
 297
 298                         if ($parent['network'] == NETWORK_OSTATUS) {
 299                                 logger('Parent is OStatus', LOGGER_DEBUG);
 300
 301                                 $push_notify = true;
 302
 303                                 // Check if the recipient isn't in your contact list, try to slap it
 304                                 // This doesn't seem to work correctly by now
 305                                 $r = q("SELECT `url` FROM `contact` WHERE `id` = %d", $parent['contact-id']);
 306                                 if (count($r)) {
 307                                         $url_recipients = array();
 308
 309                                         $thrparent = q("SELECT `author-link` FROM `item` WHERE `uri` = '%s'", dbesc($target_item["thr-parent"]));
 310                                         if (count($thrparent) AND (normalise_link($r[0]["url"]) != normalise_link($thrparent[0]["author-link"]))) {
 311                                                 require_once("include/Scrape.php");
 312                                                 $probed_contact = probe_url($thrparent[0]["author-link"]);
 313                                                 if ($probed_contact["notify"] != "") {
 314                                                         logger('scrape data for slapper: '.print_r($probed_contact, true));
 315                                                         $url_recipients[$probed_contact["notify"]] = $probed_contact["notify"];
 316                                                 }
 317                                         }
 318                                 }
 319                                 logger("url_recipients".print_r($url_recipients,true));
 320                         }
 321                 } else {
 322                         $followup = false;
 323
 324                         // don't send deletions onward for other people's stuff
 325
 326                         if($target_item['deleted'] && (! intval($target_item['wall']))) {
 327                                 logger('notifier: ignoring delete notification for non-wall item');
 328                                 return;
 329                         }
 330
 331                         if((strlen($parent['allow_cid']))
 332                                 || (strlen($parent['allow_gid']))
 333                                 || (strlen($parent['deny_cid']))
 334                                 || (strlen($parent['deny_gid']))) {
 335                                 $public_message = false; // private recipients, not public
 336                         }
 337
 338                         $allow_people = expand_acl($parent['allow_cid']);
 339                         $allow_groups = expand_groups(expand_acl($parent['allow_gid']),true);
 340                         $deny_people  = expand_acl($parent['deny_cid']);
 341                         $deny_groups  = expand_groups(expand_acl($parent['deny_gid']));
 342
 343                         // if our parent is a public forum (forum_mode == 1), uplink to the origional author causing
 344                         // a delivery fork. private groups (forum_mode == 2) do not uplink
 345
 346                         if((intval($parent['forum_mode']) == 1) && (! $top_level) && ($cmd !== 'uplink')) {
 347                                 proc_run('php','include/notifier.php','uplink',$item_id);
 348                         }
 349
 350                         $conversants = array();
 351
 352                         foreach($items as $item) {
 353                                 $recipients[] = $item['contact-id'];
 354                                 $conversants[] = $item['contact-id'];
 355                                 // pull out additional tagged people to notify (if public message)
 356                                 if($public_message && strlen($item['inform'])) {
 357                                         $people = explode(',',$item['inform']);
 358                                         foreach($people as $person) {
 359                                                 if(substr($person,0,4) === 'cid:') {
 360                                                         $recipients[] = intval(substr($person,4));
 361                                                         $conversants[] = intval(substr($person,4));
 362                                                 }
 363                                                 else {
 364                                                         $url_recipients[] = substr($person,4);
 365                                                 }
 366                                         }
 367                                 }
 368                         }
 369
 370                         logger('notifier: url_recipients' . print_r($url_recipients,true));
 371
 372                         $conversants = array_unique($conversants);
 373
 374
 375                         $recipients = array_unique(array_merge($recipients,$allow_people,$allow_groups));
 376                         $deny = array_unique(array_merge($deny_people,$deny_groups));
 377                         $recipients = array_diff($recipients,$deny);
 378
 379                         $conversant_str = dbesc(implode(', ',$conversants));
 380                 }
 381
 382                 $r = q("SELECT * FROM `contact` WHERE `id` IN ( $conversant_str ) AND `blocked` = 0 AND `pending` = 0 AND `archive` = 0");
 383
 384                 if(count($r))
 385                         $contacts = $r;
 386         }
 387
 388         $feed_template = get_markup_template('atom_feed.tpl');
 389         $mail_template = get_markup_template('atom_mail.tpl');
 390
 391         $atom = '';
 392         $slaps = array();
 393
 394         $hubxml = feed_hublinks();
 395
 396         $birthday = feed_birthday($owner['uid'],$owner['timezone']);
 397
 398         if(strlen($birthday))
 399                 $birthday = '<dfrn:birthday>' . xmlify($birthday) . '</dfrn:birthday>';
 400
 401         $atom .= replace_macros($feed_template, array(
 402                         '$version'      => xmlify(FRIENDICA_VERSION),
 403                         '$feed_id'      => xmlify($a->get_baseurl() . '/profile/' . $owner['nickname'] ),
 404                         '$feed_title'   => xmlify($owner['name']),
 405                         '$feed_updated' => xmlify(datetime_convert('UTC', 'UTC', $updated . '+00:00' , ATOM_TIME)) ,
 406                         '$hub'          => $hubxml,
 407                         '$salmon'       => '',  // private feed, we don't use salmon here
 408                         '$name'         => xmlify($owner['name']),
 409                         '$profile_page' => xmlify($owner['url']),
 410                         '$photo'        => xmlify($owner['photo']),
 411                         '$thumb'        => xmlify($owner['thumb']),
 412                         '$picdate'      => xmlify(datetime_convert('UTC','UTC',$owner['avatar-date'] . '+00:00' , ATOM_TIME)) ,
 413                         '$uridate'      => xmlify(datetime_convert('UTC','UTC',$owner['uri-date']    . '+00:00' , ATOM_TIME)) ,
 414                         '$namdate'      => xmlify(datetime_convert('UTC','UTC',$owner['name-date']   . '+00:00' , ATOM_TIME)) ,
 415                         '$birthday'     => $birthday,
 416                         '$community'    => (($owner['page-flags'] == PAGE_COMMUNITY) ? '<dfrn:community>1</dfrn:community>' : '')
 417
 418         ));
 419
 420         if($mail) {
 421                 $public_message = false;  // mail is  not public
 422
 423                 $body = fix_private_photos($item['body'],$owner['uid'],null,$message[0]['contact-id']);
 424
 425                 $atom .= replace_macros($mail_template, array(
 426                         '$name'         => xmlify($owner['name']),
 427                         '$profile_page' => xmlify($owner['url']),
 428                         '$thumb'        => xmlify($owner['thumb']),
 429                         '$item_id'      => xmlify($item['uri']),
 430                         '$subject'      => xmlify($item['title']),
 431                         '$created'      => xmlify(datetime_convert('UTC', 'UTC', $item['created'] . '+00:00' , ATOM_TIME)),
 432                         '$content'      => xmlify($body),
 433                         '$parent_id'    => xmlify($item['parent-uri'])
 434                 ));
 435         } elseif($fsuggest) {
 436                 $public_message = false;  // suggestions are not public
 437
 438                 $sugg_template = get_markup_template('atom_suggest.tpl');
 439
 440                 $atom .= replace_macros($sugg_template, array(
 441                         '$name'         => xmlify($item['name']),
 442                         '$url'          => xmlify($item['url']),
 443                         '$photo'        => xmlify($item['photo']),
 444                         '$request'      => xmlify($item['request']),
 445                         '$note'         => xmlify($item['note'])
 446                 ));
 447
 448                 // We don't need this any more
 449
 450                 q("DELETE FROM `fsuggest` WHERE `id` = %d LIMIT 1",
 451                         intval($item['id'])
 452                 );
 453
 454         } elseif($relocate) {
 455                 $public_message = false;  // suggestions are not public
 456
 457                 $sugg_template = get_markup_template('atom_relocate.tpl');
 458
 459                 /* get site pubkey. this could be a new installation with no site keys*/
 460                 $pubkey = get_config('system','site_pubkey');
 461                 if(! $pubkey) {
 462                         $res = new_keypair(1024);
 463                         set_config('system','site_prvkey', $res['prvkey']);
 464                         set_config('system','site_pubkey', $res['pubkey']);
 465                 }
 466
 467                 $rp = q("SELECT `resource-id` , `scale`, type FROM `photo`
 468                                                 WHERE `profile` = 1 AND `uid` = %d ORDER BY scale;", $uid);
 469                 $photos = array();
 470                 $ext = Photo::supportedTypes();
 471                 foreach($rp as $p){
 472                         $photos[$p['scale']] = $a->get_baseurl().'/photo/'.$p['resource-id'].'-'.$p['scale'].'.'.$ext[$p['type']];
 473                 }
 474                 unset($rp, $ext);
 475
 476                 $atom .= replace_macros($sugg_template, array(
 477                                         '$name' => xmlify($owner['name']),
 478                                         '$photo' => xmlify($photos[4]),
 479                                         '$thumb' => xmlify($photos[5]),
 480                                         '$micro' => xmlify($photos[6]),
 481                                         '$url' => xmlify($owner['url']),
 482                                         '$request' => xmlify($owner['request']),
 483                                         '$confirm' => xmlify($owner['confirm']),
 484                                         '$notify' => xmlify($owner['notify']),
 485                                         '$poll' => xmlify($owner['poll']),
 486                                         '$sitepubkey' => xmlify(get_config('system','site_pubkey')),
 487                                         //'$pubkey' => xmlify($owner['pubkey']),
 488                                         //'$prvkey' => xmlify($owner['prvkey']),
 489                         ));
 490                 $recipients_relocate = q("SELECT * FROM contact WHERE uid = %d  AND self = 0 AND network = '%s'" , intval($uid), NETWORK_DFRN);
 491                 unset($photos);
 492         } else {
 493                 if($followup) {
 494                         foreach($items as $item) {  // there is only one item
 495                                 if(! $item['parent'])
 496                                         continue;
 497                                 if($item['id'] == $item_id) {
 498                                         logger('notifier: followup: item: ' . print_r($item,true), LOGGER_DATA);
 499                                         $slap  = atom_entry($item,'html',null,$owner,false);
 500                                         $atom .= atom_entry($item,'text',null,$owner,false);
 501                                 }
 502                         }
 503                 } else {
 504                         foreach($items as $item) {
 505
 506                                 if(! $item['parent'])
 507                                         continue;
 508
 509                                 // private emails may be in included in public conversations. Filter them.
 510
 511                                 if(($public_message) && $item['private'] == 1)
 512                                         continue;
 513
 514
 515                                 $contact = get_item_contact($item,$contacts);
 516
 517                                 if(! $contact)
 518                                         continue;
 519
 520                                 if($normal_mode) {
 521
 522                                         // we only need the current item, but include the parent because without it
 523                                         // older sites without a corresponding dfrn_notify change may do the wrong thing.
 524
 525                                     if($item_id == $item['id'] || $item['id'] == $item['parent'])
 526                                                 $atom .= atom_entry($item,'text',null,$owner,true);
 527                                 } else
 528                                         $atom .= atom_entry($item,'text',null,$owner,true);
 529
 530                                 if(($top_level) && ($public_message) && ($item['author-link'] === $item['owner-link']) && (! $expire))
 531                                         $slaps[] = atom_entry($item,'html',null,$owner,true);
 532                         }
 533                 }
 534         }
 535         $atom .= '</feed>' . "\r\n";
 536
 537         logger('notifier: ' . $atom, LOGGER_DATA);
 538
 539         logger('notifier: slaps: ' . print_r($slaps,true), LOGGER_DATA);
 540
 541         // If this is a public message and pubmail is set on the parent, include all your email contacts
 542
 543         $mail_disabled = ((function_exists('imap_open') && (! get_config('system','imap_disabled'))) ? 0 : 1);
 544
 545         if(! $mail_disabled) {
 546                 if((! strlen($target_item['allow_cid'])) && (! strlen($target_item['allow_gid']))
 547                         && (! strlen($target_item['deny_cid'])) && (! strlen($target_item['deny_gid']))
 548                         && (intval($target_item['pubmail']))) {
 549                         $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `network` = '%s'",
 550                                 intval($uid),
 551                                 dbesc(NETWORK_MAIL)
 552                         );
 553                         if(count($r)) {
 554                                 foreach($r as $rr)
 555                                         $recipients[] = $rr['id'];
 556                         }
 557                 }
 558         }
 559
 560         if($followup)
 561                 $recip_str = $parent['contact-id'];
 562         else
 563                 $recip_str = implode(', ', $recipients);
 564
 565         if ($relocate)
 566                 $r = $recipients_relocate;
 567         else
 568                 $r = q("SELECT * FROM `contact` WHERE `id` IN ( %s ) AND `blocked` = 0 AND `pending` = 0 ",
 569                         dbesc($recip_str)
 570                 );
 571
 572
 573         require_once('include/salmon.php');
 574
 575         $interval = ((get_config('system','delivery_interval') === false) ? 2 : intval(get_config('system','delivery_interval')));
 576
 577         // delivery loop
 578
 579         if(count($r)) {
 580
 581                 foreach($r as $contact) {
 582                         if((! $mail) && (! $fsuggest) && (! $followup) && (!$relocate) && (! $contact['self'])) {
 583                                 if(($contact['network'] === NETWORK_DIASPORA) && ($public_message))
 584                                         continue;
 585                                 q("insert into deliverq ( `cmd`,`item`,`contact` ) values ('%s', %d, %d )",
 586                                         dbesc($cmd),
 587                                         intval($item_id),
 588                                         intval($contact['id'])
 589                                 );
 590                         }
 591                 }
 592
 593
 594                 // This controls the number of deliveries to execute with each separate delivery process.
 595                 // By default we'll perform one delivery per process. Assuming a hostile shared hosting
 596                 // provider, this provides the greatest chance of deliveries if processes start getting
 597                 // killed. We can also space them out with the delivery_interval to also help avoid them
 598                 // getting whacked.
 599
 600                 // If $deliveries_per_process > 1, we will chain this number of multiple deliveries
 601                 // together into a single process. This will reduce the overall number of processes
 602                 // spawned for each delivery, but they will run longer.
 603
 604                 $deliveries_per_process = intval(get_config('system','delivery_batch_count'));
 605                 if($deliveries_per_process <= 0)
 606                         $deliveries_per_process = 1;
 607
 608                 $this_batch = array();
 609
 610                 for($x = 0; $x < count($r); $x ++) {
 611                         $contact = $r[$x];
 612
 613                         if($contact['self'])
 614                                 continue;
 615
 616                         logger("Deliver to ".$contact['url'], LOGGER_DEBUG);
 617
 618                         // potentially more than one recipient. Start a new process and space them out a bit.
 619                         // we will deliver single recipient types of message and email recipients here.
 620
 621                         if((! $mail) && (! $fsuggest) && (!$relocate) && (! $followup)) {
 622
 623                                 $this_batch[] = $contact['id'];
 624
 625                                 if(count($this_batch) == $deliveries_per_process) {
 626                                         proc_run('php','include/delivery.php',$cmd,$item_id,$this_batch);
 627                                         $this_batch = array();
 628                                         if($interval)
 629                                                 @time_sleep_until(microtime(true) + (float) $interval);
 630                                 }
 631                                 continue;
 632                         }
 633                         // be sure to pick up any stragglers
 634                         if(count($this_batch))
 635                                 proc_run('php','include/delivery.php',$cmd,$item_id,$this_batch);
 636
 637
 638                         $deliver_status = 0;
 639
 640                         logger("main delivery by notifier: followup=$followup mail=$mail fsuggest=$fsuggest relocate=$relocate");
 641
 642                         switch($contact['network']) {
 643                                 case NETWORK_DFRN:
 644
 645                                         // perform local delivery if we are on the same site
 646
 647                                         $basepath =  implode('/', array_slice(explode('/',$contact['url']),0,3));
 648
 649                                         if(link_compare($basepath,$a->get_baseurl())) {
 650
 651                                                 $nickname = basename($contact['url']);
 652                                                 if($contact['issued-id'])
 653                                                         $sql_extra = sprintf(" AND `dfrn-id` = '%s' ", dbesc($contact['issued-id']));
 654                                                 else
 655                                                         $sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($contact['dfrn-id']));
 656
 657                                                 $x = q("SELECT  `contact`.*, `contact`.`uid` AS `importer_uid`,
 658                                                         `contact`.`pubkey` AS `cpubkey`,
 659                                                         `contact`.`prvkey` AS `cprvkey`,
 660                                                         `contact`.`thumb` AS `thumb`,
 661                                                         `contact`.`url` as `url`,
 662                                                         `contact`.`name` as `senderName`,
 663                                                         `user`.*
 664                                                         FROM `contact`
 665                                                         INNER JOIN `user` ON `contact`.`uid` = `user`.`uid`
 666                                                         WHERE `contact`.`blocked` = 0 AND `contact`.`archive` = 0
 667                                                         AND `contact`.`pending` = 0
 668                                                         AND `contact`.`network` = '%s' AND `user`.`nickname` = '%s'
 669                                                         $sql_extra
 670                                                         AND `user`.`account_expired` = 0 AND `user`.`account_removed` = 0 LIMIT 1",
 671                                                         dbesc(NETWORK_DFRN),
 672                                                         dbesc($nickname)
 673                                                 );
 674
 675                                                 if($x && count($x)) {
 676                                                         $write_flag = ((($x[0]['rel']) && ($x[0]['rel'] != CONTACT_IS_SHARING)) ? true : false);
 677                                                         if((($owner['page-flags'] == PAGE_COMMUNITY) || ($write_flag)) && (! $x[0]['writable'])) {
 678                                                                 q("update contact set writable = 1 where id = %d",
 679                                                                         intval($x[0]['id'])
 680                                                                 );
 681                                                                 $x[0]['writable'] = 1;
 682                                                         }
 683
 684                                                         // if contact's ssl policy changed, which we just determined
 685                                                         // is on our own server, update our contact links
 686
 687                                                         $ssl_policy = get_config('system','ssl_policy');
 688                                                         fix_contact_ssl_policy($x[0],$ssl_policy);
 689
 690                                                         // If we are setup as a soapbox we aren't accepting input from this person
 691
 692                                                         if($x[0]['page-flags'] == PAGE_SOAPBOX)
 693                                                                 break;
 694
 695                                                         require_once('library/simplepie/simplepie.inc');
 696                                                         logger('mod-delivery: local delivery');
 697                                                         local_delivery($x[0],$atom);
 698                                                         break;
 699                                                 }
 700                                         }
 701
 702                                         logger('notifier: dfrndelivery: ' . $contact['name']);
 703                                         $deliver_status = dfrn_deliver($owner,$contact,$atom);
 704
 705                                         logger('notifier: dfrn_delivery returns ' . $deliver_status);
 706
 707                                         if($deliver_status == (-1)) {
 708                                                 logger('notifier: delivery failed: queuing message');
 709                                                 // queue message for redelivery
 710                                                 add_to_queue($contact['id'],NETWORK_DFRN,$atom);
 711                                         }
 712                                         break;
 713                                 case NETWORK_OSTATUS:
 714
 715                                         // Do not send to ostatus if we are not configured to send to public networks
 716                                         if($owner['prvnets'])
 717                                                 break;
 718
 719                                         if(get_config('system','ostatus_disabled') || get_config('system','dfrn_only'))
 720                                                 break;
 721
 722                                         if($followup && $contact['notify']) {
 723                                                 logger('slapdelivery followup item '.$item_id.' to ' . $contact['name']);
 724                                                 $deliver_status = slapper($owner,$contact['notify'],$slap);
 725
 726                                                 if($deliver_status == (-1)) {
 727                                                         // queue message for redelivery
 728                                                         add_to_queue($contact['id'],NETWORK_OSTATUS,$slap);
 729                                                 }
 730                                         } else {
 731
 732                                                 // only send salmon if public - e.g. if it's ok to notify
 733                                                 // a public hub, it's ok to send a salmon
 734
 735                                                 if((count($slaps)) && ($public_message) && (! $expire)) {
 736                                                         logger('slapdelivery item '.$item_id.' to ' . $contact['name']);
 737                                                         foreach($slaps as $slappy) {
 738                                                                 if($contact['notify']) {
 739                                                                         $deliver_status = slapper($owner,$contact['notify'],$slappy);
 740                                                                         if($deliver_status == (-1)) {
 741                                                                                 // queue message for redelivery
 742                                                                                 add_to_queue($contact['id'],NETWORK_OSTATUS,$slappy);
 743                                                                         }
 744                                                                 }
 745                                                         }
 746                                                 }
 747                                         }
 748                                         break;
 749
 750                                 case NETWORK_MAIL:
 751                                 case NETWORK_MAIL2:
 752
 753                                         if(get_config('system','dfrn_only'))
 754                                                 break;
 755
 756                                         // WARNING: does not currently convert to RFC2047 header encodings, etc.
 757
 758                                         $addr = $contact['addr'];
 759                                         if(! strlen($addr))
 760                                                 break;
 761
 762                                         if($cmd === 'wall-new' || $cmd === 'comment-new') {
 763
 764                                                 $it = null;
 765                                                 if($cmd === 'wall-new')
 766                                                         $it = $items[0];
 767                                                 else {
 768                                                         $r = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 769                                                                 intval($argv[2]),
 770                                                                 intval($uid)
 771                                                         );
 772                                                         if(count($r))
 773                                                                 $it = $r[0];
 774                                                 }
 775                                                 if(! $it)
 776                                                         break;
 777
 778
 779
 780                                                 $local_user = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
 781                                                         intval($uid)
 782                                                 );
 783                                                 if(! count($local_user))
 784                                                         break;
 785
 786                                                 $reply_to = '';
 787                                                 $r1 = q("SELECT * FROM `mailacct` WHERE `uid` = %d LIMIT 1",
 788                                                         intval($uid)
 789                                                 );
 790                                                 if($r1 && $r1[0]['reply_to'])
 791                                                         $reply_to = $r1[0]['reply_to'];
 792
 793                                                 $subject  = (($it['title']) ? email_header_encode($it['title'],'UTF-8') : t("\x28no subject\x29")) ;
 794
 795                                                 // only expose our real email address to true friends
 796                                                 if(($contact['rel'] == CONTACT_IS_FRIEND) && (! $contact['blocked']))
 797                                                         if($reply_to) {
 798                                                                 $headers  = 'From: ' . email_header_encode($local_user[0]['username'],'UTF-8') . ' <' . $reply_to . '>' . "\n";
 799                                                                 $headers .= 'Sender: '.$local_user[0]['email']."\n";
 800                                                         } else
 801                                                                 $headers  = 'From: ' . email_header_encode($local_user[0]['username'],'UTF-8') . ' <' . $local_user[0]['email'] . '>' . "\n";
 802                                                 else
 803                                                         $headers  = 'From: ' . email_header_encode($local_user[0]['username'],'UTF-8') . ' <' . t('noreply') . '@' . $a->get_hostname() . '>' . "\n";
 804
 805                                                 //if($reply_to)
 806                                                 //      $headers .= 'Reply-to: ' . $reply_to . "\n";
 807
 808                                                 $headers .= 'Message-Id: <' . iri2msgid($it['uri']) . '>' . "\n";
 809
 810                                                 if($it['uri'] !== $it['parent-uri']) {
 811                                                         $headers .= "References: <".iri2msgid($it["parent-uri"]).">";
 812
 813                                                         // If Threading is enabled, write down the correct parent
 814                                                         if (($it["thr-parent"] != "") and ($it["thr-parent"] != $it["parent-uri"]))
 815                                                                 $headers .= " <".iri2msgid($it["thr-parent"]).">";
 816                                                         $headers .= "\n";
 817
 818                                                         if(!$it['title']) {
 819                                                                 $r = q("SELECT `title` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 820                                                                         dbesc($it['parent-uri']),
 821                                                                         intval($uid));
 822
 823                                                                 if(count($r) AND ($r[0]['title'] != ''))
 824                                                                         $subject = $r[0]['title'];
 825                                                                 else {
 826                                                                         $r = q("SELECT `title` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d LIMIT 1",
 827                                                                                 dbesc($it['parent-uri']),
 828                                                                                 intval($uid));
 829
 830                                                                         if(count($r) AND ($r[0]['title'] != ''))
 831                                                                                 $subject = $r[0]['title'];
 832                                                                 }
 833                                                         }
 834                                                         if(strncasecmp($subject,'RE:',3))
 835                                                                 $subject = 'Re: '.$subject;
 836                                                 }
 837                                                 email_send($addr, $subject, $headers, $it);
 838                                         }
 839                                         break;
 840                                 case NETWORK_DIASPORA:
 841                                         require_once('include/diaspora.php');
 842
 843                                         if(get_config('system','dfrn_only') || (! get_config('system','diaspora_enabled')))
 844                                                 break;
 845
 846                                         if($mail) {
 847                                                 diaspora_send_mail($item,$owner,$contact);
 848                                                 break;
 849                                         }
 850
 851                                         if(! $normal_mode)
 852                                                 break;
 853
 854                                         // special handling for followup to public post
 855                                         // all other public posts processed as public batches further below
 856
 857                                         if($public_message) {
 858                                                 if($followup)
 859                                                         diaspora_send_followup($target_item,$owner,$contact, true);
 860                                                 break;
 861                                         }
 862
 863                                         if(! $contact['pubkey'])
 864                                                 break;
 865
 866                                         if($target_item['verb'] === ACTIVITY_DISLIKE) {
 867                                                 // unsupported
 868                                                 break;
 869                                         }
 870                                         elseif(($target_item['deleted']) && (($target_item['uri'] === $target_item['parent-uri']) || $followup)) {
 871                                                 // send both top-level retractions and relayable retractions for owner to relay
 872                                                 diaspora_send_retraction($target_item,$owner,$contact);
 873                                                 break;
 874                                         }
 875                                         elseif($followup) {
 876                                                 // send comments and likes to owner to relay
 877                                                 diaspora_send_followup($target_item,$owner,$contact);
 878                                                 break;
 879                                         }
 880                                         elseif($target_item['uri'] !== $target_item['parent-uri']) {
 881                                                 // we are the relay - send comments, likes and relayable_retractions
 882                                                 // (of comments and likes) to our conversants
 883                                                 diaspora_send_relay($target_item,$owner,$contact);
 884                                                 break;
 885                                         }
 886                                         elseif(($top_level) && (! $walltowall)) {
 887                                                 // currently no workable solution for sending walltowall
 888                                                 diaspora_send_status($target_item,$owner,$contact);
 889                                                 break;
 890                                         }
 891
 892                                         break;
 893
 894                                 case NETWORK_FEED:
 895                                 case NETWORK_FACEBOOK:
 896                                         if(get_config('system','dfrn_only'))
 897                                                 break;
 898                                 case NETWORK_PUMPIO:
 899                                         if(get_config('system','dfrn_only'))
 900                                                 break;
 901                                 default:
 902                                         break;
 903                         }
 904                 }
 905         }
 906
 907         // send additional slaps to mentioned remote tags (@foo@example.com)
 908
 909         if($slap && count($url_recipients) && ($followup || $top_level) && $public_message && (! $expire)) {
 910                 if(! get_config('system','dfrn_only')) {
 911                         foreach($url_recipients as $url) {
 912                                 if($url) {
 913                                         logger('notifier: urldelivery: ' . $url);
 914                                         $deliver_status = slapper($owner,$url,$slap);
 915                                         // TODO: redeliver/queue these items on failure, though there is no contact record
 916                                 }
 917                         }
 918                 }
 919         }
 920
 921
 922         if($public_message) {
 923
 924                 $r1 = q("SELECT DISTINCT(`batch`), `id`, `name`,`network` FROM `contact` WHERE `network` = '%s'
 925                         AND `uid` = %d AND `rel` != %d group by `batch` ORDER BY rand() ",
 926                         dbesc(NETWORK_DIASPORA),
 927                         intval($owner['uid']),
 928                         intval(CONTACT_IS_SHARING)
 929                 );
 930
 931                 $r2 = q("SELECT `id`, `name`,`network` FROM `contact`
 932                         WHERE `network` in ( '%s', '%s')  AND `uid` = %d AND `blocked` = 0 AND `pending` = 0 AND `archive` = 0
 933                         AND `rel` != %d order by rand() ",
 934                         dbesc(NETWORK_DFRN),
 935                         dbesc(NETWORK_MAIL2),
 936                         intval($owner['uid']),
 937                         intval(CONTACT_IS_SHARING)
 938                 );
 939
 940                 $r = array_merge($r2,$r1);
 941
 942                 if(count($r)) {
 943                         logger('pubdeliver: ' . print_r($r,true), LOGGER_DEBUG);
 944
 945                         // throw everything into the queue in case we get killed
 946
 947                         foreach($r as $rr) {
 948                                 if((! $mail) && (! $fsuggest) && (! $followup)) {
 949                                         q("insert into deliverq ( `cmd`,`item`,`contact` ) values ('%s', %d, %d )",
 950                                                 dbesc($cmd),
 951                                                 intval($item_id),
 952                                                 intval($rr['id'])
 953                                         );
 954                                 }
 955                         }
 956
 957                         foreach($r as $rr) {
 958
 959                                 // except for Diaspora batch jobs
 960                                 // Don't deliver to folks who have already been delivered to
 961
 962                                 if(($rr['network'] !== NETWORK_DIASPORA) && (in_array($rr['id'],$conversants))) {
 963                                         logger('notifier: already delivered id=' . $rr['id']);
 964                                         continue;
 965                                 }
 966
 967                                 if((! $mail) && (! $fsuggest) && (! $followup)) {
 968                                         logger('notifier: delivery agent: ' . $rr['name'] . ' ' . $rr['id']);
 969                                         proc_run('php','include/delivery.php',$cmd,$item_id,$rr['id']);
 970                                         if($interval)
 971                                                 @time_sleep_until(microtime(true) + (float) $interval);
 972                                 }
 973                         }
 974                 }
 975
 976                 $push_notify = true;
 977
 978         }
 979
 980
 981         if($push_notify AND strlen($hub)) {
 982                 $hubs = explode(',', $hub);
 983                 if(count($hubs)) {
 984                         foreach($hubs as $h) {
 985                                 $h = trim($h);
 986                                 if(! strlen($h))
 987                                         continue;
 988
 989                                 if ($h === '[internal]') {
 990                                         // Set push flag for PuSH subscribers to this topic,
 991                                         // they will be notified in queue.php
 992                                         q("UPDATE `push_subscriber` SET `push` = 1 " .
 993                                           "WHERE `nickname` = '%s'", dbesc($owner['nickname']));
 994
 995                                         logger('Activating internal PuSH for item '.$item_id, LOGGER_DEBUG);
 996
 997                                 } else {
 998
 999                                         $params = 'hub.mode=publish&hub.url=' . urlencode( $a->get_baseurl() . '/dfrn_poll/' . $owner['nickname'] );
1000                                         post_url($h,$params);
1001                                         logger('publish for item '.$item_id.' ' . $h . ' ' . $params . ' returned ' . $a->get_curl_code());
1002                                 }
1003                                 if(count($hubs) > 1)
1004                                         sleep(7);                               // try and avoid multiple hubs responding at precisely the same time
1005                         }
1006                 }
1007
1008                 // Handling the pubsubhubbub requests
1009                 proc_run('php','include/pubsubpublish.php');
1010         }
1011
1012         // If the item was deleted, clean up the `sign` table
1013         if($target_item['deleted']) {
1014                 $r = q("DELETE FROM sign where `retract_iid` = %d",
1015                         intval($target_item['id'])
1016                 );
1017         }
1018
1019         logger('notifier: calling hooks', LOGGER_DEBUG);
1020
1021         if($normal_mode)
1022                 call_hooks('notifier_normal',$target_item);
1023
1024         call_hooks('notifier_end',$target_item);
1025
1026         return;
1027 }
1028
1029
1030 if (array_search(__file__,get_included_files())===0){
1031         notifier_run($_SERVER["argv"],$_SERVER["argc"]);
1032         killme();
1033 }