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         // List of OStatus receiptians of follow up messages
 231         $ostatus_recip_str = "";
 232
 233         if(! ($mail || $fsuggest || $relocate)) {
 234
 235                 require_once('include/group.php');
 236
 237                 $parent = $items[0];
 238
 239                 // This is IMPORTANT!!!!
 240
 241                 // We will only send a "notify owner to relay" or followup message if the referenced post
 242                 // originated on our system by virtue of having our hostname somewhere
 243                 // in the URI, AND it was a comment (not top_level) AND the parent originated elsewhere.
 244
 245                 // if $parent['wall'] == 1 we will already have the parent message in our array
 246                 // and we will relay the whole lot.
 247
 248                 // expire sends an entire group of expire messages and cannot be forwarded.
 249                 // However the conversation owner will be a part of the conversation and will
 250                 // be notified during this run.
 251                 // Other DFRN conversation members will be alerted during polled updates.
 252
 253
 254
 255                 // Diaspora members currently are not notified of expirations, and other networks have
 256                 // either limited or no ability to process deletions. We should at least fix Diaspora
 257                 // by stringing togther an array of retractions and sending them onward.
 258
 259
 260                 $localhost = str_replace('www.','',$a->get_hostname());
 261                 if(strpos($localhost,':'))
 262                         $localhost = substr($localhost,0,strpos($localhost,':'));
 263
 264                 /**
 265                  *
 266                  * Be VERY CAREFUL if you make any changes to the following several lines. Seemingly innocuous changes
 267                  * have been known to cause runaway conditions which affected several servers, along with
 268                  * permissions issues.
 269                  *
 270                  */
 271
 272                 $relay_to_owner = false;
 273
 274                 if((! $top_level) && ($parent['wall'] == 0) && (! $expire) && (stristr($target_item['uri'],$localhost))) {
 275                         $relay_to_owner = true;
 276                 }
 277
 278
 279                 if(($cmd === 'uplink') && (intval($parent['forum_mode']) == 1) && (! $top_level)) {
 280                         $relay_to_owner = true;
 281                 }
 282
 283                 // until the 'origin' flag has been in use for several months
 284                 // we will just use it as a fallback test
 285                 // later we will be able to use it as the primary test of whether or not to relay.
 286
 287                 if(! $target_item['origin'])
 288                         $relay_to_owner = false;
 289
 290                 if($parent['origin'])
 291                         $relay_to_owner = false;
 292
 293                 if($relay_to_owner) {
 294                         logger('notifier: followup', LOGGER_DEBUG);
 295                         // local followup to remote post
 296                         $followup = true;
 297                         $public_message = false; // not public
 298                         $conversant_str = dbesc($parent['contact-id']);
 299                         $recipients = array($parent['contact-id']);
 300
 301                         if ($parent['network'] == NETWORK_OSTATUS) {
 302                                 logger('Parent is OStatus', LOGGER_DEBUG);
 303
 304                                 $push_notify = true;
 305
 306 /*                              $ostatus_recipients = array();
 307
 308                                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `network` = '%s'", intval($uid), dbesc(NETWORK_OSTATUS));
 309                                 if(count($r)) {
 310                                         foreach($r as $rr)
 311                                                 $ostatus_recipients[] = $rr['id'];
 312
 313                                         $ostatus_recip_str = ", ".implode(', ', $ostatus_recipients);
 314                                 }
 315 */
 316                                 // Check if the recipient isn't in your contact list
 317                                 $r = q("SELECT `url` FROM `contact` WHERE `id` = %d", $parent['contact-id']);
 318                                 if (count($r)) {
 319                                         $url_recipients = array();
 320
 321                                         $thrparent = q("SELECT `author-link` FROM `item` WHERE `uri` = '%s'", dbesc($target_item["thr-parent"]));
 322                                         if (count($thrparent) AND (normalise_link($r[0]["url"]) != normalise_link($thrparent[0]["author-link"]))) {
 323                                                 require_once("include/Scrape.php");
 324                                                 $probed_contact = probe_url($thrparent[0]["author-link"]);
 325                                                 if ($probed_contact["notify"] != "") {
 326                                                         logger('scrape data for slapper: '.print_r($probed_contact, true));
 327                                                         $url_recipients[$probed_contact["notify"]] = $probed_contact["notify"];
 328                                                 }
 329                                         }
 330                                 }
 331                                 logger("url_recipients".print_r($url_recipients,true));
 332                         }
 333                 } else {
 334                         $followup = false;
 335
 336                         // don't send deletions onward for other people's stuff
 337
 338                         if($target_item['deleted'] && (! intval($target_item['wall']))) {
 339                                 logger('notifier: ignoring delete notification for non-wall item');
 340                                 return;
 341                         }
 342
 343                         if((strlen($parent['allow_cid']))
 344                                 || (strlen($parent['allow_gid']))
 345                                 || (strlen($parent['deny_cid']))
 346                                 || (strlen($parent['deny_gid']))) {
 347                                 $public_message = false; // private recipients, not public
 348                         }
 349
 350                         $allow_people = expand_acl($parent['allow_cid']);
 351                         $allow_groups = expand_groups(expand_acl($parent['allow_gid']),true);
 352                         $deny_people  = expand_acl($parent['deny_cid']);
 353                         $deny_groups  = expand_groups(expand_acl($parent['deny_gid']));
 354
 355                         // if our parent is a public forum (forum_mode == 1), uplink to the origional author causing
 356                         // a delivery fork. private groups (forum_mode == 2) do not uplink
 357
 358                         if((intval($parent['forum_mode']) == 1) && (! $top_level) && ($cmd !== 'uplink')) {
 359                                 proc_run('php','include/notifier.php','uplink',$item_id);
 360                         }
 361
 362                         $conversants = array();
 363
 364                         foreach($items as $item) {
 365                                 $recipients[] = $item['contact-id'];
 366                                 $conversants[] = $item['contact-id'];
 367                                 // pull out additional tagged people to notify (if public message)
 368                                 if($public_message && strlen($item['inform'])) {
 369                                         $people = explode(',',$item['inform']);
 370                                         foreach($people as $person) {
 371                                                 if(substr($person,0,4) === 'cid:') {
 372                                                         $recipients[] = intval(substr($person,4));
 373                                                         $conversants[] = intval(substr($person,4));
 374                                                 }
 375                                                 else {
 376                                                         $url_recipients[] = substr($person,4);
 377                                                 }
 378                                         }
 379                                 }
 380                         }
 381
 382                         logger('notifier: url_recipients' . print_r($url_recipients,true));
 383
 384                         $conversants = array_unique($conversants);
 385
 386
 387                         $recipients = array_unique(array_merge($recipients,$allow_people,$allow_groups));
 388                         $deny = array_unique(array_merge($deny_people,$deny_groups));
 389                         $recipients = array_diff($recipients,$deny);
 390
 391                         $conversant_str = dbesc(implode(', ',$conversants));
 392                 }
 393
 394                 $r = q("SELECT * FROM `contact` WHERE `id` IN ( $conversant_str ) AND `blocked` = 0 AND `pending` = 0 AND `archive` = 0");
 395
 396                 if(count($r))
 397                         $contacts = $r;
 398         }
 399
 400         $feed_template = get_markup_template('atom_feed.tpl');
 401         $mail_template = get_markup_template('atom_mail.tpl');
 402
 403         $atom = '';
 404         $slaps = array();
 405
 406         $hubxml = feed_hublinks();
 407
 408         $birthday = feed_birthday($owner['uid'],$owner['timezone']);
 409
 410         if(strlen($birthday))
 411                 $birthday = '<dfrn:birthday>' . xmlify($birthday) . '</dfrn:birthday>';
 412
 413         $atom .= replace_macros($feed_template, array(
 414                         '$version'      => xmlify(FRIENDICA_VERSION),
 415                         '$feed_id'      => xmlify($a->get_baseurl() . '/profile/' . $owner['nickname'] ),
 416                         '$feed_title'   => xmlify($owner['name']),
 417                         '$feed_updated' => xmlify(datetime_convert('UTC', 'UTC', $updated . '+00:00' , ATOM_TIME)) ,
 418                         '$hub'          => $hubxml,
 419                         '$salmon'       => '',  // private feed, we don't use salmon here
 420                         '$name'         => xmlify($owner['name']),
 421                         '$profile_page' => xmlify($owner['url']),
 422                         '$photo'        => xmlify($owner['photo']),
 423                         '$thumb'        => xmlify($owner['thumb']),
 424                         '$picdate'      => xmlify(datetime_convert('UTC','UTC',$owner['avatar-date'] . '+00:00' , ATOM_TIME)) ,
 425                         '$uridate'      => xmlify(datetime_convert('UTC','UTC',$owner['uri-date']    . '+00:00' , ATOM_TIME)) ,
 426                         '$namdate'      => xmlify(datetime_convert('UTC','UTC',$owner['name-date']   . '+00:00' , ATOM_TIME)) ,
 427                         '$birthday'     => $birthday,
 428                         '$community'    => (($owner['page-flags'] == PAGE_COMMUNITY) ? '<dfrn:community>1</dfrn:community>' : '')
 429
 430         ));
 431
 432         if($mail) {
 433                 $public_message = false;  // mail is  not public
 434
 435                 $body = fix_private_photos($item['body'],$owner['uid'],null,$message[0]['contact-id']);
 436
 437                 $atom .= replace_macros($mail_template, array(
 438                         '$name'         => xmlify($owner['name']),
 439                         '$profile_page' => xmlify($owner['url']),
 440                         '$thumb'        => xmlify($owner['thumb']),
 441                         '$item_id'      => xmlify($item['uri']),
 442                         '$subject'      => xmlify($item['title']),
 443                         '$created'      => xmlify(datetime_convert('UTC', 'UTC', $item['created'] . '+00:00' , ATOM_TIME)),
 444                         '$content'      => xmlify($body),
 445                         '$parent_id'    => xmlify($item['parent-uri'])
 446                 ));
 447         } elseif($fsuggest) {
 448                 $public_message = false;  // suggestions are not public
 449
 450                 $sugg_template = get_markup_template('atom_suggest.tpl');
 451
 452                 $atom .= replace_macros($sugg_template, array(
 453                         '$name'         => xmlify($item['name']),
 454                         '$url'          => xmlify($item['url']),
 455                         '$photo'        => xmlify($item['photo']),
 456                         '$request'      => xmlify($item['request']),
 457                         '$note'         => xmlify($item['note'])
 458                 ));
 459
 460                 // We don't need this any more
 461
 462                 q("DELETE FROM `fsuggest` WHERE `id` = %d LIMIT 1",
 463                         intval($item['id'])
 464                 );
 465
 466         } elseif($relocate) {
 467                 $public_message = false;  // suggestions are not public
 468
 469                 $sugg_template = get_markup_template('atom_relocate.tpl');
 470
 471                 /* get site pubkey. this could be a new installation with no site keys*/
 472                 $pubkey = get_config('system','site_pubkey');
 473                 if(! $pubkey) {
 474                         $res = new_keypair(1024);
 475                         set_config('system','site_prvkey', $res['prvkey']);
 476                         set_config('system','site_pubkey', $res['pubkey']);
 477                 }
 478
 479                 $rp = q("SELECT `resource-id` , `scale`, type FROM `photo`
 480                                                 WHERE `profile` = 1 AND `uid` = %d ORDER BY scale;", $uid);
 481                 $photos = array();
 482                 $ext = Photo::supportedTypes();
 483                 foreach($rp as $p){
 484                         $photos[$p['scale']] = $a->get_baseurl().'/photo/'.$p['resource-id'].'-'.$p['scale'].'.'.$ext[$p['type']];
 485                 }
 486                 unset($rp, $ext);
 487
 488                 $atom .= replace_macros($sugg_template, array(
 489                                         '$name' => xmlify($owner['name']),
 490                                         '$photo' => xmlify($photos[4]),
 491                                         '$thumb' => xmlify($photos[5]),
 492                                         '$micro' => xmlify($photos[6]),
 493                                         '$url' => xmlify($owner['url']),
 494                                         '$request' => xmlify($owner['request']),
 495                                         '$confirm' => xmlify($owner['confirm']),
 496                                         '$notify' => xmlify($owner['notify']),
 497                                         '$poll' => xmlify($owner['poll']),
 498                                         '$sitepubkey' => xmlify(get_config('system','site_pubkey')),
 499                                         //'$pubkey' => xmlify($owner['pubkey']),
 500                                         //'$prvkey' => xmlify($owner['prvkey']),
 501                         ));
 502                 $recipients_relocate = q("SELECT * FROM contact WHERE uid = %d  AND self = 0 AND network = '%s'" , intval($uid), NETWORK_DFRN);
 503                 unset($photos);
 504         } else {
 505                 if($followup) {
 506                         foreach($items as $item) {  // there is only one item
 507                                 if(! $item['parent'])
 508                                         continue;
 509                                 if($item['id'] == $item_id) {
 510                                         logger('notifier: followup: item: ' . print_r($item,true), LOGGER_DATA);
 511                                         $slap  = atom_entry($item,'html',null,$owner,false);
 512                                         $atom .= atom_entry($item,'text',null,$owner,false);
 513                                 }
 514                         }
 515                 } else {
 516                         foreach($items as $item) {
 517
 518                                 if(! $item['parent'])
 519                                         continue;
 520
 521                                 // private emails may be in included in public conversations. Filter them.
 522
 523                                 if(($public_message) && $item['private'] == 1)
 524                                         continue;
 525
 526
 527                                 $contact = get_item_contact($item,$contacts);
 528
 529                                 if(! $contact)
 530                                         continue;
 531
 532                                 if($normal_mode) {
 533
 534                                         // we only need the current item, but include the parent because without it
 535                                         // older sites without a corresponding dfrn_notify change may do the wrong thing.
 536
 537                                     if($item_id == $item['id'] || $item['id'] == $item['parent'])
 538                                                 $atom .= atom_entry($item,'text',null,$owner,true);
 539                                 } else
 540                                         $atom .= atom_entry($item,'text',null,$owner,true);
 541
 542                                 if(($top_level) && ($public_message) && ($item['author-link'] === $item['owner-link']) && (! $expire))
 543                                         $slaps[] = atom_entry($item,'html',null,$owner,true);
 544                         }
 545                 }
 546         }
 547         $atom .= '</feed>' . "\r\n";
 548
 549         logger('notifier: ' . $atom, LOGGER_DATA);
 550
 551         logger('notifier: slaps: ' . print_r($slaps,true), LOGGER_DATA);
 552
 553         // If this is a public message and pubmail is set on the parent, include all your email contacts
 554
 555         $mail_disabled = ((function_exists('imap_open') && (! get_config('system','imap_disabled'))) ? 0 : 1);
 556
 557         if(! $mail_disabled) {
 558                 if((! strlen($target_item['allow_cid'])) && (! strlen($target_item['allow_gid']))
 559                         && (! strlen($target_item['deny_cid'])) && (! strlen($target_item['deny_gid']))
 560                         && (intval($target_item['pubmail']))) {
 561                         $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `network` = '%s'",
 562                                 intval($uid),
 563                                 dbesc(NETWORK_MAIL)
 564                         );
 565                         if(count($r)) {
 566                                 foreach($r as $rr)
 567                                         $recipients[] = $rr['id'];
 568                         }
 569                 }
 570         }
 571
 572         if($followup)
 573                 $recip_str = $parent['contact-id'].$ostatus_recip_str;
 574         else
 575                 $recip_str = implode(', ', $recipients);
 576
 577         if ($relocate)
 578                 $r = $recipients_relocate;
 579         else
 580                 $r = q("SELECT * FROM `contact` WHERE `id` IN ( %s ) AND `blocked` = 0 AND `pending` = 0 ",
 581                         dbesc($recip_str)
 582                 );
 583
 584
 585         require_once('include/salmon.php');
 586
 587         $interval = ((get_config('system','delivery_interval') === false) ? 2 : intval(get_config('system','delivery_interval')));
 588
 589         // delivery loop
 590
 591         if(count($r)) {
 592
 593                 foreach($r as $contact) {
 594                         if((! $mail) && (! $fsuggest) && (!$followup OR ($parent['contact-id'] != $contact['id'])) && (!$relocate) && (! $contact['self'])) {
 595                                 if(($contact['network'] === NETWORK_DIASPORA) && ($public_message))
 596                                         continue;
 597                                 q("insert into deliverq ( `cmd`,`item`,`contact` ) values ('%s', %d, %d )",
 598                                         dbesc($cmd),
 599                                         intval($item_id),
 600                                         intval($contact['id'])
 601                                 );
 602                         }
 603                 }
 604
 605
 606                 // This controls the number of deliveries to execute with each separate delivery process.
 607                 // By default we'll perform one delivery per process. Assuming a hostile shared hosting
 608                 // provider, this provides the greatest chance of deliveries if processes start getting
 609                 // killed. We can also space them out with the delivery_interval to also help avoid them
 610                 // getting whacked.
 611
 612                 // If $deliveries_per_process > 1, we will chain this number of multiple deliveries
 613                 // together into a single process. This will reduce the overall number of processes
 614                 // spawned for each delivery, but they will run longer.
 615
 616                 $deliveries_per_process = intval(get_config('system','delivery_batch_count'));
 617                 if($deliveries_per_process <= 0)
 618                         $deliveries_per_process = 1;
 619
 620                 $this_batch = array();
 621
 622                 for($x = 0; $x < count($r); $x ++) {
 623                         $contact = $r[$x];
 624
 625                         if($contact['self'])
 626                                 continue;
 627
 628                         logger("Deliver to ".$contact['url'], LOGGER_DEBUG);
 629
 630                         // potentially more than one recipient. Start a new process and space them out a bit.
 631                         // we will deliver single recipient types of message and email recipients here.
 632
 633                         if((! $mail) && (! $fsuggest) && (!$relocate) && (!$followup OR ($parent['contact-id'] != $contact['id']))) {
 634
 635                                 $this_batch[] = $contact['id'];
 636
 637                                 if(count($this_batch) == $deliveries_per_process) {
 638                                         proc_run('php','include/delivery.php',$cmd,$item_id,$this_batch);
 639                                         $this_batch = array();
 640                                         if($interval)
 641                                                 @time_sleep_until(microtime(true) + (float) $interval);
 642                                 }
 643                                 continue;
 644                         }
 645                         // be sure to pick up any stragglers
 646                         if(count($this_batch))
 647                                 proc_run('php','include/delivery.php',$cmd,$item_id,$this_batch);
 648
 649
 650                         $deliver_status = 0;
 651
 652                         logger("main delivery by notifier: followup=$followup mail=$mail fsuggest=$fsuggest relocate=$relocate");
 653
 654                         switch($contact['network']) {
 655                                 case NETWORK_DFRN:
 656
 657                                         // perform local delivery if we are on the same site
 658
 659                                         $basepath =  implode('/', array_slice(explode('/',$contact['url']),0,3));
 660
 661                                         if(link_compare($basepath,$a->get_baseurl())) {
 662
 663                                                 $nickname = basename($contact['url']);
 664                                                 if($contact['issued-id'])
 665                                                         $sql_extra = sprintf(" AND `dfrn-id` = '%s' ", dbesc($contact['issued-id']));
 666                                                 else
 667                                                         $sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($contact['dfrn-id']));
 668
 669                                                 $x = q("SELECT  `contact`.*, `contact`.`uid` AS `importer_uid`,
 670                                                         `contact`.`pubkey` AS `cpubkey`,
 671                                                         `contact`.`prvkey` AS `cprvkey`,
 672                                                         `contact`.`thumb` AS `thumb`,
 673                                                         `contact`.`url` as `url`,
 674                                                         `contact`.`name` as `senderName`,
 675                                                         `user`.*
 676                                                         FROM `contact`
 677                                                         INNER JOIN `user` ON `contact`.`uid` = `user`.`uid`
 678                                                         WHERE `contact`.`blocked` = 0 AND `contact`.`archive` = 0
 679                                                         AND `contact`.`pending` = 0
 680                                                         AND `contact`.`network` = '%s' AND `user`.`nickname` = '%s'
 681                                                         $sql_extra
 682                                                         AND `user`.`account_expired` = 0 AND `user`.`account_removed` = 0 LIMIT 1",
 683                                                         dbesc(NETWORK_DFRN),
 684                                                         dbesc($nickname)
 685                                                 );
 686
 687                                                 if($x && count($x)) {
 688                                                         $write_flag = ((($x[0]['rel']) && ($x[0]['rel'] != CONTACT_IS_SHARING)) ? true : false);
 689                                                         if((($owner['page-flags'] == PAGE_COMMUNITY) || ($write_flag)) && (! $x[0]['writable'])) {
 690                                                                 q("update contact set writable = 1 where id = %d",
 691                                                                         intval($x[0]['id'])
 692                                                                 );
 693                                                                 $x[0]['writable'] = 1;
 694                                                         }
 695
 696                                                         // if contact's ssl policy changed, which we just determined
 697                                                         // is on our own server, update our contact links
 698
 699                                                         $ssl_policy = get_config('system','ssl_policy');
 700                                                         fix_contact_ssl_policy($x[0],$ssl_policy);
 701
 702                                                         // If we are setup as a soapbox we aren't accepting input from this person
 703
 704                                                         if($x[0]['page-flags'] == PAGE_SOAPBOX)
 705                                                                 break;
 706
 707                                                         require_once('library/simplepie/simplepie.inc');
 708                                                         logger('mod-delivery: local delivery');
 709                                                         local_delivery($x[0],$atom);
 710                                                         break;
 711                                                 }
 712                                         }
 713
 714                                         logger('notifier: dfrndelivery: ' . $contact['name']);
 715                                         $deliver_status = dfrn_deliver($owner,$contact,$atom);
 716
 717                                         logger('notifier: dfrn_delivery returns ' . $deliver_status);
 718
 719                                         if($deliver_status == (-1)) {
 720                                                 logger('notifier: delivery failed: queuing message');
 721                                                 // queue message for redelivery
 722                                                 add_to_queue($contact['id'],NETWORK_DFRN,$atom);
 723                                         }
 724                                         break;
 725                                 case NETWORK_OSTATUS:
 726
 727                                         // Do not send to ostatus if we are not configured to send to public networks
 728                                         if($owner['prvnets'])
 729                                                 break;
 730
 731                                         if(get_config('system','ostatus_disabled') || get_config('system','dfrn_only'))
 732                                                 break;
 733
 734                                         if($followup && $contact['notify']) {
 735                                                 logger('slapdelivery followup item '.$item_id.' to ' . $contact['name']);
 736                                                 $deliver_status = slapper($owner,$contact['notify'],$slap);
 737
 738                                                 if($deliver_status == (-1)) {
 739                                                         // queue message for redelivery
 740                                                         add_to_queue($contact['id'],NETWORK_OSTATUS,$slap);
 741                                                 }
 742                                         } else {
 743
 744                                                 // only send salmon if public - e.g. if it's ok to notify
 745                                                 // a public hub, it's ok to send a salmon
 746
 747                                                 if((count($slaps)) && ($public_message) && (! $expire)) {
 748                                                         logger('slapdelivery item '.$item_id.' to ' . $contact['name']);
 749                                                         foreach($slaps as $slappy) {
 750                                                                 if($contact['notify']) {
 751                                                                         $deliver_status = slapper($owner,$contact['notify'],$slappy);
 752                                                                         if($deliver_status == (-1)) {
 753                                                                                 // queue message for redelivery
 754                                                                                 add_to_queue($contact['id'],NETWORK_OSTATUS,$slappy);
 755                                                                         }
 756                                                                 }
 757                                                         }
 758                                                 }
 759                                         }
 760                                         break;
 761
 762                                 case NETWORK_MAIL:
 763                                 case NETWORK_MAIL2:
 764
 765                                         if(get_config('system','dfrn_only'))
 766                                                 break;
 767
 768                                         // WARNING: does not currently convert to RFC2047 header encodings, etc.
 769
 770                                         $addr = $contact['addr'];
 771                                         if(! strlen($addr))
 772                                                 break;
 773
 774                                         if($cmd === 'wall-new' || $cmd === 'comment-new') {
 775
 776                                                 $it = null;
 777                                                 if($cmd === 'wall-new')
 778                                                         $it = $items[0];
 779                                                 else {
 780                                                         $r = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 781                                                                 intval($argv[2]),
 782                                                                 intval($uid)
 783                                                         );
 784                                                         if(count($r))
 785                                                                 $it = $r[0];
 786                                                 }
 787                                                 if(! $it)
 788                                                         break;
 789
 790
 791
 792                                                 $local_user = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
 793                                                         intval($uid)
 794                                                 );
 795                                                 if(! count($local_user))
 796                                                         break;
 797
 798                                                 $reply_to = '';
 799                                                 $r1 = q("SELECT * FROM `mailacct` WHERE `uid` = %d LIMIT 1",
 800                                                         intval($uid)
 801                                                 );
 802                                                 if($r1 && $r1[0]['reply_to'])
 803                                                         $reply_to = $r1[0]['reply_to'];
 804
 805                                                 $subject  = (($it['title']) ? email_header_encode($it['title'],'UTF-8') : t("\x28no subject\x29")) ;
 806
 807                                                 // only expose our real email address to true friends
 808                                                 if(($contact['rel'] == CONTACT_IS_FRIEND) && (! $contact['blocked']))
 809                                                         if($reply_to) {
 810                                                                 $headers  = 'From: ' . email_header_encode($local_user[0]['username'],'UTF-8') . ' <' . $reply_to . '>' . "\n";
 811                                                                 $headers .= 'Sender: '.$local_user[0]['email']."\n";
 812                                                         } else
 813                                                                 $headers  = 'From: ' . email_header_encode($local_user[0]['username'],'UTF-8') . ' <' . $local_user[0]['email'] . '>' . "\n";
 814                                                 else
 815                                                         $headers  = 'From: ' . email_header_encode($local_user[0]['username'],'UTF-8') . ' <' . t('noreply') . '@' . $a->get_hostname() . '>' . "\n";
 816
 817                                                 //if($reply_to)
 818                                                 //      $headers .= 'Reply-to: ' . $reply_to . "\n";
 819
 820                                                 $headers .= 'Message-Id: <' . iri2msgid($it['uri']) . '>' . "\n";
 821
 822                                                 if($it['uri'] !== $it['parent-uri']) {
 823                                                         $headers .= "References: <".iri2msgid($it["parent-uri"]).">";
 824
 825                                                         // If Threading is enabled, write down the correct parent
 826                                                         if (($it["thr-parent"] != "") and ($it["thr-parent"] != $it["parent-uri"]))
 827                                                                 $headers .= " <".iri2msgid($it["thr-parent"]).">";
 828                                                         $headers .= "\n";
 829
 830                                                         if(!$it['title']) {
 831                                                                 $r = q("SELECT `title` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 832                                                                         dbesc($it['parent-uri']),
 833                                                                         intval($uid));
 834
 835                                                                 if(count($r) AND ($r[0]['title'] != ''))
 836                                                                         $subject = $r[0]['title'];
 837                                                                 else {
 838                                                                         $r = q("SELECT `title` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d LIMIT 1",
 839                                                                                 dbesc($it['parent-uri']),
 840                                                                                 intval($uid));
 841
 842                                                                         if(count($r) AND ($r[0]['title'] != ''))
 843                                                                                 $subject = $r[0]['title'];
 844                                                                 }
 845                                                         }
 846                                                         if(strncasecmp($subject,'RE:',3))
 847                                                                 $subject = 'Re: '.$subject;
 848                                                 }
 849                                                 email_send($addr, $subject, $headers, $it);
 850                                         }
 851                                         break;
 852                                 case NETWORK_DIASPORA:
 853                                         require_once('include/diaspora.php');
 854
 855                                         if(get_config('system','dfrn_only') || (! get_config('system','diaspora_enabled')))
 856                                                 break;
 857
 858                                         if($mail) {
 859                                                 diaspora_send_mail($item,$owner,$contact);
 860                                                 break;
 861                                         }
 862
 863                                         if(! $normal_mode)
 864                                                 break;
 865
 866                                         // special handling for followup to public post
 867                                         // all other public posts processed as public batches further below
 868
 869                                         if($public_message) {
 870                                                 if($followup)
 871                                                         diaspora_send_followup($target_item,$owner,$contact, true);
 872                                                 break;
 873                                         }
 874
 875                                         if(! $contact['pubkey'])
 876                                                 break;
 877
 878                                         if($target_item['verb'] === ACTIVITY_DISLIKE) {
 879                                                 // unsupported
 880                                                 break;
 881                                         }
 882                                         elseif(($target_item['deleted']) && (($target_item['uri'] === $target_item['parent-uri']) || $followup)) {
 883                                                 // send both top-level retractions and relayable retractions for owner to relay
 884                                                 diaspora_send_retraction($target_item,$owner,$contact);
 885                                                 break;
 886                                         }
 887                                         elseif($followup) {
 888                                                 // send comments and likes to owner to relay
 889                                                 diaspora_send_followup($target_item,$owner,$contact);
 890                                                 break;
 891                                         }
 892                                         elseif($target_item['uri'] !== $target_item['parent-uri']) {
 893                                                 // we are the relay - send comments, likes and relayable_retractions
 894                                                 // (of comments and likes) to our conversants
 895                                                 diaspora_send_relay($target_item,$owner,$contact);
 896                                                 break;
 897                                         }
 898                                         elseif(($top_level) && (! $walltowall)) {
 899                                                 // currently no workable solution for sending walltowall
 900                                                 diaspora_send_status($target_item,$owner,$contact);
 901                                                 break;
 902                                         }
 903
 904                                         break;
 905
 906                                 case NETWORK_FEED:
 907                                 case NETWORK_FACEBOOK:
 908                                         if(get_config('system','dfrn_only'))
 909                                                 break;
 910                                 case NETWORK_PUMPIO:
 911                                         if(get_config('system','dfrn_only'))
 912                                                 break;
 913                                 default:
 914                                         break;
 915                         }
 916                 }
 917         }
 918
 919         // send additional slaps to mentioned remote tags (@foo@example.com)
 920
 921         if($slap && count($url_recipients) && ($followup || $top_level) && $public_message && (! $expire)) {
 922                 if(! get_config('system','dfrn_only')) {
 923                         foreach($url_recipients as $url) {
 924                                 if($url) {
 925                                         logger('notifier: urldelivery: ' . $url);
 926                                         $deliver_status = slapper($owner,$url,$slap);
 927                                         // TODO: redeliver/queue these items on failure, though there is no contact record
 928                                 }
 929                         }
 930                 }
 931         }
 932
 933
 934         if($public_message) {
 935
 936                 $r1 = q("SELECT DISTINCT(`batch`), `id`, `name`,`network` FROM `contact` WHERE `network` = '%s'
 937                         AND `uid` = %d AND `rel` != %d group by `batch` ORDER BY rand() ",
 938                         dbesc(NETWORK_DIASPORA),
 939                         intval($owner['uid']),
 940                         intval(CONTACT_IS_SHARING)
 941                 );
 942
 943                 $r2 = q("SELECT `id`, `name`,`network` FROM `contact`
 944                         WHERE `network` in ( '%s', '%s')  AND `uid` = %d AND `blocked` = 0 AND `pending` = 0 AND `archive` = 0
 945                         AND `rel` != %d order by rand() ",
 946                         dbesc(NETWORK_DFRN),
 947                         dbesc(NETWORK_MAIL2),
 948                         intval($owner['uid']),
 949                         intval(CONTACT_IS_SHARING)
 950                 );
 951
 952                 $r = array_merge($r2,$r1);
 953
 954                 if(count($r)) {
 955                         logger('pubdeliver: ' . print_r($r,true), LOGGER_DEBUG);
 956
 957                         // throw everything into the queue in case we get killed
 958
 959                         foreach($r as $rr) {
 960                                 if((! $mail) && (! $fsuggest) && (!$followup OR ($parent['contact-id'] != $contact['id']))) {
 961                                         q("insert into deliverq ( `cmd`,`item`,`contact` ) values ('%s', %d, %d )",
 962                                                 dbesc($cmd),
 963                                                 intval($item_id),
 964                                                 intval($rr['id'])
 965                                         );
 966                                 }
 967                         }
 968
 969                         foreach($r as $rr) {
 970
 971                                 // except for Diaspora batch jobs
 972                                 // Don't deliver to folks who have already been delivered to
 973
 974                                 if(($rr['network'] !== NETWORK_DIASPORA) && (in_array($rr['id'],$conversants))) {
 975                                         logger('notifier: already delivered id=' . $rr['id']);
 976                                         continue;
 977                                 }
 978
 979                                 if((! $mail) && (! $fsuggest) && (! $followup)) {
 980                                         logger('notifier: delivery agent: ' . $rr['name'] . ' ' . $rr['id']);
 981                                         proc_run('php','include/delivery.php',$cmd,$item_id,$rr['id']);
 982                                         if($interval)
 983                                                 @time_sleep_until(microtime(true) + (float) $interval);
 984                                 }
 985                         }
 986                 }
 987
 988                 $push_notify = true;
 989
 990         }
 991
 992
 993         if($push_notify AND strlen($hub)) {
 994                 $hubs = explode(',', $hub);
 995                 if(count($hubs)) {
 996                         foreach($hubs as $h) {
 997                                 $h = trim($h);
 998                                 if(! strlen($h))
 999                                         continue;
1000
1001                                 if ($h === '[internal]') {
1002                                         // Set push flag for PuSH subscribers to this topic,
1003                                         // they will be notified in queue.php
1004                                         q("UPDATE `push_subscriber` SET `push` = 1 " .
1005                                           "WHERE `nickname` = '%s'", dbesc($owner['nickname']));
1006
1007                                         logger('Activating internal PuSH for item '.$item_id, LOGGER_DEBUG);
1008
1009                                 } else {
1010
1011                                         $params = 'hub.mode=publish&hub.url=' . urlencode( $a->get_baseurl() . '/dfrn_poll/' . $owner['nickname'] );
1012                                         post_url($h,$params);
1013                                         logger('publish for item '.$item_id.' ' . $h . ' ' . $params . ' returned ' . $a->get_curl_code());
1014                                 }
1015                                 if(count($hubs) > 1)
1016                                         sleep(7);                               // try and avoid multiple hubs responding at precisely the same time
1017                         }
1018                 }
1019
1020                 // Handling the pubsubhubbub requests
1021                 proc_run('php','include/pubsubpublish.php');
1022         }
1023
1024         // If the item was deleted, clean up the `sign` table
1025         if($target_item['deleted']) {
1026                 $r = q("DELETE FROM sign where `retract_iid` = %d",
1027                         intval($target_item['id'])
1028                 );
1029         }
1030
1031         logger('notifier: calling hooks', LOGGER_DEBUG);
1032
1033         if($normal_mode)
1034                 call_hooks('notifier_normal',$target_item);
1035
1036         call_hooks('notifier_end',$target_item);
1037
1038         return;
1039 }
1040
1041
1042 if (array_search(__file__,get_included_files())===0){
1043         notifier_run($_SERVER["argv"],$_SERVER["argc"]);
1044         killme();
1045 }