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