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  *
  41  * and ITEM_ID is the id of the item in the database that needs to be sent to others.
  42  */
  43
  44
  45 function notifier_run(&$argv, &$argc){
  46         global $a, $db;
  47
  48         if(is_null($a)){
  49                 $a = new App;
  50         }
  51
  52         if(is_null($db)) {
  53                 @include(".htconfig.php");
  54                 require_once("dba.php");
  55                 $db = new dba($db_host, $db_user, $db_pass, $db_data);
  56                         unset($db_host, $db_user, $db_pass, $db_data);
  57         }
  58
  59         require_once("session.php");
  60         require_once("datetime.php");
  61         require_once('include/items.php');
  62         require_once('include/bbcode.php');
  63         require_once('include/email.php');
  64         load_config('config');
  65         load_config('system');
  66
  67         load_hooks();
  68
  69         if($argc < 3)
  70                 return;
  71
  72         $a->set_baseurl(get_config('system','url'));
  73
  74         logger('notifier: invoked: ' . print_r($argv,true), LOGGER_DEBUG);
  75
  76         $cmd = $argv[1];
  77
  78         switch($cmd) {
  79                 case 'mail':
  80                 default:
  81                         $item_id = intval($argv[2]);
  82                         if(! $item_id){
  83                                 return;
  84                         }
  85                         break;
  86         }
  87
  88         $expire = false;
  89         $mail = false;
  90         $fsuggest = false;
  91     $relocate = false;
  92         $top_level = false;
  93         $recipients = array();
  94         $url_recipients = array();
  95
  96         $normal_mode = true;
  97
  98         if($cmd === 'mail') {
  99                 $normal_mode = false;
 100                 $mail = true;
 101                 $message = q("SELECT * FROM `mail` WHERE `id` = %d LIMIT 1",
 102                                 intval($item_id)
 103                 );
 104                 if(! count($message)){
 105                         return;
 106                 }
 107                 $uid = $message[0]['uid'];
 108                 $recipients[] = $message[0]['contact-id'];
 109                 $item = $message[0];
 110
 111         }
 112         elseif($cmd === 'expire') {
 113                 $normal_mode = false;
 114                 $expire = true;
 115                 $items = q("SELECT * FROM `item` WHERE `uid` = %d AND `wall` = 1
 116                         AND `deleted` = 1 AND `changed` > UTC_TIMESTAMP() - INTERVAL 10 MINUTE",
 117                         intval($item_id)
 118                 );
 119                 $uid = $item_id;
 120                 $item_id = 0;
 121                 if(! count($items))
 122                         return;
 123         }
 124         elseif($cmd === 'suggest') {
 125                 $normal_mode = false;
 126                 $fsuggest = true;
 127
 128                 $suggest = q("SELECT * FROM `fsuggest` WHERE `id` = %d LIMIT 1",
 129                         intval($item_id)
 130                 );
 131                 if(! count($suggest))
 132                         return;
 133                 $uid = $suggest[0]['uid'];
 134                 $recipients[] = $suggest[0]['cid'];
 135                 $item = $suggest[0];
 136         }
 137         elseif($cmd === 'removeme') {
 138                 $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1", intval($item_id));
 139                 if (! $r)
 140                         return;
 141                 $user = $r[0];
 142                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1", intval($item_id));
 143                 if (! $r)
 144                         return;
 145                 $self = $r[0];
 146                 $r = q("SELECT * FROM `contact` WHERE `self` = 0 AND `uid` = %d", intval($item_id));
 147                 if(! $r)
 148                         return;
 149                 require_once('include/Contact.php');
 150                 foreach($r as $contact) {
 151                         terminate_friendship($user, $self, $contact);
 152                 }
 153                 return;
 154         }
 155     elseif($cmd === 'relocate') {
 156         $normal_mode = false;
 157                 $relocate = true;
 158         $uid = $item_id;
 159     }
 160         else {
 161                 // find ancestors
 162                 $r = q("SELECT * FROM `item` WHERE `id` = %d and visible = 1 and moderated = 0 LIMIT 1",
 163                         intval($item_id)
 164                 );
 165
 166                 if((! count($r)) || (! intval($r[0]['parent']))) {
 167                         return;
 168                 }
 169
 170                 $target_item = $r[0];
 171                 $parent_id = intval($r[0]['parent']);
 172                 $uid = $r[0]['uid'];
 173                 $updated = $r[0]['edited'];
 174
 175                 // POSSIBLE CLEANUP --> The following seems superfluous. We've already checked for "if (! intval($r[0]['parent']))" a few lines up
 176                 if(! $parent_id)
 177                         return;
 178
 179                 $items = q("SELECT `item`.*, `sign`.`signed_text`,`sign`.`signature`,`sign`.`signer`
 180                         FROM `item` LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id` WHERE `parent` = %d and visible = 1 and moderated = 0 ORDER BY `id` ASC",
 181                         intval($parent_id)
 182                 );
 183
 184                 if(! count($items)) {
 185                         return;
 186                 }
 187
 188                 // avoid race condition with deleting entries
 189
 190                 if($items[0]['deleted']) {
 191                         foreach($items as $item)
 192                                 $item['deleted'] = 1;
 193                 }
 194
 195                 if((count($items) == 1) && ($items[0]['id'] === $target_item['id']) && ($items[0]['uri'] === $items[0]['parent-uri'])) {
 196                         logger('notifier: top level post');
 197                         $top_level = true;
 198                 }
 199
 200         }
 201
 202         $r = q("SELECT `contact`.*, `user`.`pubkey` AS `upubkey`, `user`.`prvkey` AS `uprvkey`,
 203                 `user`.`timezone`, `user`.`nickname`, `user`.`sprvkey`, `user`.`spubkey`,
 204                 `user`.`page-flags`, `user`.`prvnets`
 205                 FROM `contact` LEFT JOIN `user` ON `user`.`uid` = `contact`.`uid`
 206                 WHERE `contact`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
 207                 intval($uid)
 208         );
 209
 210         if(! count($r))
 211                 return;
 212
 213         $owner = $r[0];
 214
 215         $walltowall = ((($top_level) && ($owner['id'] != $items[0]['contact-id'])) ? true : false);
 216
 217         $hub = get_config('system','huburl');
 218
 219         // If this is a public conversation, notify the feed hub
 220         $public_message = true;
 221
 222         // fill this in with a single salmon slap if applicable
 223         $slap = '';
 224
 225         if(! ($mail || $fsuggest || $relocate)) {
 226
 227                 require_once('include/group.php');
 228
 229                 $parent = $items[0];
 230
 231                 // This is IMPORTANT!!!!
 232
 233                 // We will only send a "notify owner to relay" or followup message if the referenced post
 234                 // originated on our system by virtue of having our hostname somewhere
 235                 // in the URI, AND it was a comment (not top_level) AND the parent originated elsewhere.
 236
 237                 // if $parent['wall'] == 1 we will already have the parent message in our array
 238                 // and we will relay the whole lot.
 239
 240                 // expire sends an entire group of expire messages and cannot be forwarded.
 241                 // However the conversation owner will be a part of the conversation and will
 242                 // be notified during this run.
 243                 // Other DFRN conversation members will be alerted during polled updates.
 244
 245
 246
 247                 // Diaspora members currently are not notified of expirations, and other networks have
 248                 // either limited or no ability to process deletions. We should at least fix Diaspora
 249                 // by stringing togther an array of retractions and sending them onward.
 250
 251
 252                 $localhost = str_replace('www.','',$a->get_hostname());
 253                 if(strpos($localhost,':'))
 254                         $localhost = substr($localhost,0,strpos($localhost,':'));
 255
 256                 /**
 257                  *
 258                  * Be VERY CAREFUL if you make any changes to the following several lines. Seemingly innocuous changes
 259                  * have been known to cause runaway conditions which affected several servers, along with
 260                  * permissions issues.
 261                  *
 262                  */
 263
 264                 $relay_to_owner = false;
 265
 266                 if((! $top_level) && ($parent['wall'] == 0) && (! $expire) && (stristr($target_item['uri'],$localhost))) {
 267                         $relay_to_owner = true;
 268                 }
 269
 270
 271                 if(($cmd === 'uplink') && (intval($parent['forum_mode']) == 1) && (! $top_level)) {
 272                         $relay_to_owner = true;
 273                 }
 274
 275                 // until the 'origin' flag has been in use for several months
 276                 // we will just use it as a fallback test
 277                 // later we will be able to use it as the primary test of whether or not to relay.
 278
 279                 if(! $target_item['origin'])
 280                         $relay_to_owner = false;
 281
 282                 if($parent['origin'])
 283                         $relay_to_owner = false;
 284
 285
 286
 287                 if($relay_to_owner) {
 288                         logger('notifier: followup', LOGGER_DEBUG);
 289                         // local followup to remote post
 290                         $followup = true;
 291                         $public_message = false; // not public
 292                         $conversant_str = dbesc($parent['contact-id']);
 293                 }
 294                 else {
 295                         $followup = false;
 296
 297                         // don't send deletions onward for other people's stuff
 298
 299                         if($target_item['deleted'] && (! intval($target_item['wall']))) {
 300                                 logger('notifier: ignoring delete notification for non-wall item');
 301                                 return;
 302                         }
 303
 304                         if((strlen($parent['allow_cid']))
 305                                 || (strlen($parent['allow_gid']))
 306                                 || (strlen($parent['deny_cid']))
 307                                 || (strlen($parent['deny_gid']))) {
 308                                 $public_message = false; // private recipients, not public
 309                         }
 310
 311                         $allow_people = expand_acl($parent['allow_cid']);
 312                         $allow_groups = expand_groups(expand_acl($parent['allow_gid']),true);
 313                         $deny_people  = expand_acl($parent['deny_cid']);
 314                         $deny_groups  = expand_groups(expand_acl($parent['deny_gid']));
 315
 316                         // if our parent is a public forum (forum_mode == 1), uplink to the origional author causing
 317                         // a delivery fork. private groups (forum_mode == 2) do not uplink
 318
 319                         if((intval($parent['forum_mode']) == 1) && (! $top_level) && ($cmd !== 'uplink')) {
 320                                 proc_run('php','include/notifier.php','uplink',$item_id);
 321                         }
 322
 323                         $conversants = array();
 324
 325                         foreach($items as $item) {
 326                                 $recipients[] = $item['contact-id'];
 327                                 $conversants[] = $item['contact-id'];
 328                                 // pull out additional tagged people to notify (if public message)
 329                                 if($public_message && strlen($item['inform'])) {
 330                                         $people = explode(',',$item['inform']);
 331                                         foreach($people as $person) {
 332                                                 if(substr($person,0,4) === 'cid:') {
 333                                                         $recipients[] = intval(substr($person,4));
 334                                                         $conversants[] = intval(substr($person,4));
 335                                                 }
 336                                                 else {
 337                                                         $url_recipients[] = substr($person,4);
 338                                                 }
 339                                         }
 340                                 }
 341                         }
 342
 343                         logger('notifier: url_recipients' . print_r($url_recipients,true));
 344
 345                         $conversants = array_unique($conversants);
 346
 347
 348                         $recipients = array_unique(array_merge($recipients,$allow_people,$allow_groups));
 349                         $deny = array_unique(array_merge($deny_people,$deny_groups));
 350                         $recipients = array_diff($recipients,$deny);
 351
 352                         $conversant_str = dbesc(implode(', ',$conversants));
 353                 }
 354
 355                 $r = q("SELECT * FROM `contact` WHERE `id` IN ( $conversant_str ) AND `blocked` = 0 AND `pending` = 0 AND `archive` = 0");
 356
 357                 if(count($r))
 358                         $contacts = $r;
 359         }
 360
 361         $feed_template = get_markup_template('atom_feed.tpl');
 362         $mail_template = get_markup_template('atom_mail.tpl');
 363
 364         $atom = '';
 365         $slaps = array();
 366
 367         $hubxml = feed_hublinks();
 368
 369         $birthday = feed_birthday($owner['uid'],$owner['timezone']);
 370
 371         if(strlen($birthday))
 372                 $birthday = '<dfrn:birthday>' . xmlify($birthday) . '</dfrn:birthday>';
 373
 374         $atom .= replace_macros($feed_template, array(
 375                         '$version'      => xmlify(FRIENDICA_VERSION),
 376                         '$feed_id'      => xmlify($a->get_baseurl() . '/profile/' . $owner['nickname'] ),
 377                         '$feed_title'   => xmlify($owner['name']),
 378                         '$feed_updated' => xmlify(datetime_convert('UTC', 'UTC', $updated . '+00:00' , ATOM_TIME)) ,
 379                         '$hub'          => $hubxml,
 380                         '$salmon'       => '',  // private feed, we don't use salmon here
 381                         '$name'         => xmlify($owner['name']),
 382                         '$profile_page' => xmlify($owner['url']),
 383                         '$photo'        => xmlify($owner['photo']),
 384                         '$thumb'        => xmlify($owner['thumb']),
 385                         '$picdate'      => xmlify(datetime_convert('UTC','UTC',$owner['avatar-date'] . '+00:00' , ATOM_TIME)) ,
 386                         '$uridate'      => xmlify(datetime_convert('UTC','UTC',$owner['uri-date']    . '+00:00' , ATOM_TIME)) ,
 387                         '$namdate'      => xmlify(datetime_convert('UTC','UTC',$owner['name-date']   . '+00:00' , ATOM_TIME)) ,
 388                         '$birthday'     => $birthday,
 389                         '$community'    => (($owner['page-flags'] == PAGE_COMMUNITY) ? '<dfrn:community>1</dfrn:community>' : '')
 390
 391         ));
 392
 393         if($mail) {
 394                 $public_message = false;  // mail is  not public
 395
 396                 $body = fix_private_photos($item['body'],$owner['uid'],null,$message[0]['contact-id']);
 397
 398                 $atom .= replace_macros($mail_template, array(
 399                         '$name'         => xmlify($owner['name']),
 400                         '$profile_page' => xmlify($owner['url']),
 401                         '$thumb'        => xmlify($owner['thumb']),
 402                         '$item_id'      => xmlify($item['uri']),
 403                         '$subject'      => xmlify($item['title']),
 404                         '$created'      => xmlify(datetime_convert('UTC', 'UTC', $item['created'] . '+00:00' , ATOM_TIME)),
 405                         '$content'      => xmlify($body),
 406                         '$parent_id'    => xmlify($item['parent-uri'])
 407                 ));
 408         }
 409         elseif($fsuggest) {
 410                 $public_message = false;  // suggestions are not public
 411
 412                 $sugg_template = get_markup_template('atom_suggest.tpl');
 413
 414                 $atom .= replace_macros($sugg_template, array(
 415                         '$name'         => xmlify($item['name']),
 416                         '$url'          => xmlify($item['url']),
 417                         '$photo'        => xmlify($item['photo']),
 418                         '$request'      => xmlify($item['request']),
 419                         '$note'         => xmlify($item['note'])
 420                 ));
 421
 422                 // We don't need this any more
 423
 424                 q("DELETE FROM `fsuggest` WHERE `id` = %d LIMIT 1",
 425                         intval($item['id'])
 426                 );
 427
 428         }
 429     elseif($relocate) {
 430         $public_message = false;  // suggestions are not public
 431
 432                 $sugg_template = get_markup_template('atom_relocate.tpl');
 433
 434                 /* get site pubkey. this could be a new installation with no site keys*/
 435                 $pubkey = get_config('system','site_pubkey');
 436                 if(! $pubkey) {
 437                         $res = new_keypair(1024);
 438                         set_config('system','site_prvkey', $res['prvkey']);
 439                         set_config('system','site_pubkey', $res['pubkey']);
 440                 }
 441
 442                 $rp = q("SELECT `resource-id` , `scale`, type FROM `photo`
 443                                                 WHERE `profile` = 1 AND `uid` = %d ORDER BY scale;", $uid);
 444                 $photos = array();
 445                 $ext = Photo::supportedTypes();
 446                 foreach($rp as $p){
 447                         $photos[$p['scale']] = $a->get_baseurl().'/photo/'.$p['resource-id'].'-'.$p['scale'].'.'.$ext[$p['type']];
 448                 }
 449                 unset($rp, $ext);
 450
 451         $atom .= replace_macros($sugg_template, array(
 452             '$name' => xmlify($owner['name']),
 453             '$photo' => xmlify($photos[4]),
 454             '$thumb' => xmlify($photos[5]),
 455             '$micro' => xmlify($photos[6]),
 456             '$url' => xmlify($owner['url']),
 457             '$request' => xmlify($owner['request']),
 458             '$confirm' => xmlify($owner['confirm']),
 459             '$notify' => xmlify($owner['notify']),
 460             '$poll' => xmlify($owner['poll']),
 461             '$sitepubkey' => xmlify(get_config('system','site_pubkey')),
 462             //'$pubkey' => xmlify($owner['pubkey']),
 463             //'$prvkey' => xmlify($owner['prvkey']),
 464                 ));
 465         $recipients_relocate = q("SELECT * FROM contact WHERE uid = %d  AND self = 0 AND network = '%s'" , intval($uid), NETWORK_DFRN);
 466                 unset($photos);
 467     }
 468         else {
 469                 if($followup) {
 470                         foreach($items as $item) {  // there is only one item
 471                                 if(! $item['parent'])
 472                                         continue;
 473                                 if($item['id'] == $item_id) {
 474                                         logger('notifier: followup: item: ' . print_r($item,true), LOGGER_DATA);
 475                                         $slap  = atom_entry($item,'html',null,$owner,false);
 476                                         $atom .= atom_entry($item,'text',null,$owner,false);
 477                                 }
 478                         }
 479                 }
 480                 else {
 481                         foreach($items as $item) {
 482
 483                                 if(! $item['parent'])
 484                                         continue;
 485
 486                                 // private emails may be in included in public conversations. Filter them.
 487
 488                                 if(($public_message) && $item['private'] == 1)
 489                                         continue;
 490
 491
 492                                 $contact = get_item_contact($item,$contacts);
 493
 494                                 if(! $contact)
 495                                         continue;
 496
 497                                 if($normal_mode) {
 498
 499                                         // we only need the current item, but include the parent because without it
 500                                         // older sites without a corresponding dfrn_notify change may do the wrong thing.
 501
 502                                     if($item_id == $item['id'] || $item['id'] == $item['parent'])
 503                                                 $atom .= atom_entry($item,'text',null,$owner,true);
 504                                 }
 505                                 else
 506                                         $atom .= atom_entry($item,'text',null,$owner,true);
 507
 508                                 if(($top_level) && ($public_message) && ($item['author-link'] === $item['owner-link']) && (! $expire))
 509                                         $slaps[] = atom_entry($item,'html',null,$owner,true);
 510                         }
 511                 }
 512         }
 513         $atom .= '</feed>' . "\r\n";
 514
 515         logger('notifier: ' . $atom, LOGGER_DATA);
 516
 517         logger('notifier: slaps: ' . print_r($slaps,true), LOGGER_DATA);
 518
 519         // If this is a public message and pubmail is set on the parent, include all your email contacts
 520
 521         $mail_disabled = ((function_exists('imap_open') && (! get_config('system','imap_disabled'))) ? 0 : 1);
 522
 523         if(! $mail_disabled) {
 524                 if((! strlen($target_item['allow_cid'])) && (! strlen($target_item['allow_gid']))
 525                         && (! strlen($target_item['deny_cid'])) && (! strlen($target_item['deny_gid']))
 526                         && (intval($target_item['pubmail']))) {
 527                         $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `network` = '%s'",
 528                                 intval($uid),
 529                                 dbesc(NETWORK_MAIL)
 530                         );
 531                         if(count($r)) {
 532                                 foreach($r as $rr)
 533                                         $recipients[] = $rr['id'];
 534                         }
 535                 }
 536         }
 537
 538         if($followup)
 539                 $recip_str = $parent['contact-id'];
 540         else
 541                 $recip_str = implode(', ', $recipients);
 542
 543     if ($relocate)
 544         $r = $recipients_relocate;
 545     else
 546         $r = q("SELECT * FROM `contact` WHERE `id` IN ( %s ) AND `blocked` = 0 AND `pending` = 0 ",
 547             dbesc($recip_str)
 548         );
 549
 550
 551         require_once('include/salmon.php');
 552
 553         $interval = ((get_config('system','delivery_interval') === false) ? 2 : intval(get_config('system','delivery_interval')));
 554
 555         // delivery loop
 556
 557         if(count($r)) {
 558
 559                 foreach($r as $contact) {
 560                         if((! $mail) && (! $fsuggest) && (! $followup) && (!$relocate) && (! $contact['self'])) {
 561                                 if(($contact['network'] === NETWORK_DIASPORA) && ($public_message))
 562                                         continue;
 563                                 q("insert into deliverq ( `cmd`,`item`,`contact` ) values ('%s', %d, %d )",
 564                                         dbesc($cmd),
 565                                         intval($item_id),
 566                                         intval($contact['id'])
 567                                 );
 568                         }
 569                 }
 570
 571
 572                 // This controls the number of deliveries to execute with each separate delivery process.
 573                 // By default we'll perform one delivery per process. Assuming a hostile shared hosting
 574                 // provider, this provides the greatest chance of deliveries if processes start getting
 575                 // killed. We can also space them out with the delivery_interval to also help avoid them
 576                 // getting whacked.
 577
 578                 // If $deliveries_per_process > 1, we will chain this number of multiple deliveries
 579                 // together into a single process. This will reduce the overall number of processes
 580                 // spawned for each delivery, but they will run longer.
 581
 582                 $deliveries_per_process = intval(get_config('system','delivery_batch_count'));
 583                 if($deliveries_per_process <= 0)
 584                         $deliveries_per_process = 1;
 585
 586                 $this_batch = array();
 587
 588                 for($x = 0; $x < count($r); $x ++) {
 589                         $contact = $r[$x];
 590
 591                         if($contact['self'])
 592                                 continue;
 593
 594                         // potentially more than one recipient. Start a new process and space them out a bit.
 595                         // we will deliver single recipient types of message and email recipients here.
 596
 597                         if((! $mail) && (! $fsuggest) && (!$relocate) && (! $followup)) {
 598
 599                                 $this_batch[] = $contact['id'];
 600
 601                                 if(count($this_batch) == $deliveries_per_process) {
 602                                         proc_run('php','include/delivery.php',$cmd,$item_id,$this_batch);
 603                                         $this_batch = array();
 604                                         if($interval)
 605                                                 @time_sleep_until(microtime(true) + (float) $interval);
 606                                 }
 607                                 continue;
 608                         }
 609                         // be sure to pick up any stragglers
 610                         if(count($this_batch))
 611                                 proc_run('php','include/delivery.php',$cmd,$item_id,$this_batch);
 612
 613
 614                         $deliver_status = 0;
 615
 616                         logger("main delivery by notifier: followup=$followup mail=$mail fsuggest=$fsuggest relocate=$relocate");
 617
 618                         switch($contact['network']) {
 619                                 case NETWORK_DFRN:
 620
 621                                         // perform local delivery if we are on the same site
 622
 623                                         $basepath =  implode('/', array_slice(explode('/',$contact['url']),0,3));
 624
 625                                         if(link_compare($basepath,$a->get_baseurl())) {
 626
 627                                                 $nickname = basename($contact['url']);
 628                                                 if($contact['issued-id'])
 629                                                         $sql_extra = sprintf(" AND `dfrn-id` = '%s' ", dbesc($contact['issued-id']));
 630                                                 else
 631                                                         $sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($contact['dfrn-id']));
 632
 633                                                 $x = q("SELECT  `contact`.*, `contact`.`uid` AS `importer_uid`,
 634                                                         `contact`.`pubkey` AS `cpubkey`,
 635                                                         `contact`.`prvkey` AS `cprvkey`,
 636                                                         `contact`.`thumb` AS `thumb`,
 637                                                         `contact`.`url` as `url`,
 638                                                         `contact`.`name` as `senderName`,
 639                                                         `user`.*
 640                                                         FROM `contact`
 641                                                         LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
 642                                                         WHERE `contact`.`blocked` = 0 AND `contact`.`archive` = 0
 643                                                         AND `contact`.`pending` = 0
 644                                                         AND `contact`.`network` = '%s' AND `user`.`nickname` = '%s'
 645                                                         $sql_extra
 646                                                         AND `user`.`account_expired` = 0 AND `user`.`account_removed` = 0 LIMIT 1",
 647                                                         dbesc(NETWORK_DFRN),
 648                                                         dbesc($nickname)
 649                                                 );
 650
 651                                                 if($x && count($x)) {
 652                                                         $write_flag = ((($x[0]['rel']) && ($x[0]['rel'] != CONTACT_IS_SHARING)) ? true : false);
 653                                                         if((($owner['page-flags'] == PAGE_COMMUNITY) || ($write_flag)) && (! $x[0]['writable'])) {
 654                                                                 q("update contact set writable = 1 where id = %d limit 1",
 655                                                                         intval($x[0]['id'])
 656                                                                 );
 657                                                                 $x[0]['writable'] = 1;
 658                                                         }
 659
 660                                                         // if contact's ssl policy changed, which we just determined
 661                                                         // is on our own server, update our contact links
 662
 663                                                         $ssl_policy = get_config('system','ssl_policy');
 664                                                         fix_contact_ssl_policy($x[0],$ssl_policy);
 665
 666                                                         // If we are setup as a soapbox we aren't accepting input from this person
 667
 668                                                         if($x[0]['page-flags'] == PAGE_SOAPBOX)
 669                                                                 break;
 670
 671                                                         require_once('library/simplepie/simplepie.inc');
 672                                                         logger('mod-delivery: local delivery');
 673                                                         local_delivery($x[0],$atom);
 674                                                         break;
 675                                                 }
 676                                         }
 677
 678
 679
 680                                         logger('notifier: dfrndelivery: ' . $contact['name']);
 681                                         $deliver_status = dfrn_deliver($owner,$contact,$atom);
 682
 683                                         logger('notifier: dfrn_delivery returns ' . $deliver_status);
 684
 685                                         if($deliver_status == (-1)) {
 686                                                 logger('notifier: delivery failed: queuing message');
 687                                                 // queue message for redelivery
 688                                                 add_to_queue($contact['id'],NETWORK_DFRN,$atom);
 689                                         }
 690                                         break;
 691                                 case NETWORK_OSTATUS:
 692
 693                                         // Do not send to ostatus if we are not configured to send to public networks
 694                                         if($owner['prvnets'])
 695                                                 break;
 696                                         if(get_config('system','ostatus_disabled') || get_config('system','dfrn_only'))
 697                                                 break;
 698
 699                                         if($followup && $contact['notify']) {
 700                                                 logger('notifier: slapdelivery: ' . $contact['name']);
 701                                                 $deliver_status = slapper($owner,$contact['notify'],$slap);
 702
 703                                                 if($deliver_status == (-1)) {
 704                                                         // queue message for redelivery
 705                                                         add_to_queue($contact['id'],NETWORK_OSTATUS,$slap);
 706                                                 }
 707                                         }
 708                                         else {
 709
 710                                                 // only send salmon if public - e.g. if it's ok to notify
 711                                                 // a public hub, it's ok to send a salmon
 712
 713                                                 if((count($slaps)) && ($public_message) && (! $expire)) {
 714                                                         logger('notifier: slapdelivery: ' . $contact['name']);
 715                                                         foreach($slaps as $slappy) {
 716                                                                 if($contact['notify']) {
 717                                                                         $deliver_status = slapper($owner,$contact['notify'],$slappy);
 718                                                                         if($deliver_status == (-1)) {
 719                                                                                 // queue message for redelivery
 720                                                                                 add_to_queue($contact['id'],NETWORK_OSTATUS,$slappy);
 721                                                                         }
 722                                                                 }
 723                                                         }
 724                                                 }
 725                                         }
 726                                         break;
 727
 728                                 case NETWORK_MAIL:
 729                                 case NETWORK_MAIL2:
 730
 731                                         if(get_config('system','dfrn_only'))
 732                                                 break;
 733
 734                                         // WARNING: does not currently convert to RFC2047 header encodings, etc.
 735
 736                                         $addr = $contact['addr'];
 737                                         if(! strlen($addr))
 738                                                 break;
 739
 740                                         if($cmd === 'wall-new' || $cmd === 'comment-new') {
 741
 742                                                 $it = null;
 743                                                 if($cmd === 'wall-new')
 744                                                         $it = $items[0];
 745                                                 else {
 746                                                         $r = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 747                                                                 intval($argv[2]),
 748                                                                 intval($uid)
 749                                                         );
 750                                                         if(count($r))
 751                                                                 $it = $r[0];
 752                                                 }
 753                                                 if(! $it)
 754                                                         break;
 755
 756
 757
 758                                                 $local_user = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
 759                                                         intval($uid)
 760                                                 );
 761                                                 if(! count($local_user))
 762                                                         break;
 763
 764                                                 $reply_to = '';
 765                                                 $r1 = q("SELECT * FROM `mailacct` WHERE `uid` = %d LIMIT 1",
 766                                                         intval($uid)
 767                                                 );
 768                                                 if($r1 && $r1[0]['reply_to'])
 769                                                         $reply_to = $r1[0]['reply_to'];
 770
 771                                                 $subject  = (($it['title']) ? email_header_encode($it['title'],'UTF-8') : t("\x28no subject\x29")) ;
 772
 773                                                 // only expose our real email address to true friends
 774                                                 if(($contact['rel'] == CONTACT_IS_FRIEND) && (! $contact['blocked']))
 775                                                         if($reply_to) {
 776                                                                 $headers  = 'From: ' . email_header_encode($local_user[0]['username'],'UTF-8') . ' <' . $reply_to . '>' . "\n";
 777                                                                 $headers .= 'Sender: '.$local_user[0]['email']."\n";
 778                                                         } else
 779                                                                 $headers  = 'From: ' . email_header_encode($local_user[0]['username'],'UTF-8') . ' <' . $local_user[0]['email'] . '>' . "\n";
 780                                                 else
 781                                                         $headers  = 'From: ' . email_header_encode($local_user[0]['username'],'UTF-8') . ' <' . t('noreply') . '@' . $a->get_hostname() . '>' . "\n";
 782
 783                                                 //if($reply_to)
 784                                                 //      $headers .= 'Reply-to: ' . $reply_to . "\n";
 785
 786                                                 // for testing purposes: Collect exported mails
 787                                                 //$file = tempnam("/tmp/friendica/", "mail-out2-");
 788                                                 //file_put_contents($file, json_encode($it));
 789
 790                                                 $headers .= 'Message-Id: <' . iri2msgid($it['uri']) . '>' . "\n";
 791
 792                                                 if($it['uri'] !== $it['parent-uri']) {
 793                                                         $headers .= 'References: <' . iri2msgid($it['parent-uri']) . '>' . "\n";
 794                                                         if(!$it['title']) {
 795                                                                 $r = q("SELECT `title` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 796                                                                         dbesc($it['parent-uri']),
 797                                                                         intval($uid));
 798
 799                                                                 if(count($r) AND ($r[0]['title'] != ''))
 800                                                                         $subject = $r[0]['title'];
 801                                                                 else {
 802                                                                         $r = q("SELECT `title` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d LIMIT 1",
 803                                                                                 dbesc($it['parent-uri']),
 804                                                                                 intval($uid));
 805
 806                                                                         if(count($r) AND ($r[0]['title'] != ''))
 807                                                                                 $subject = $r[0]['title'];
 808                                                                 }
 809                                                         }
 810                                                         if(strncasecmp($subject,'RE:',3))
 811                                                                 $subject = 'Re: '.$subject;
 812                                                 }
 813                                                 email_send($addr, $subject, $headers, $it);
 814                                         }
 815                                         break;
 816                                 case NETWORK_DIASPORA:
 817                                         require_once('include/diaspora.php');
 818
 819                                         if(get_config('system','dfrn_only') || (! get_config('system','diaspora_enabled')))
 820                                                 break;
 821
 822                                         if($mail) {
 823                                                 diaspora_send_mail($item,$owner,$contact);
 824                                                 break;
 825                                         }
 826
 827                                         if(! $normal_mode)
 828                                                 break;
 829
 830                                         // special handling for followup to public post
 831                                         // all other public posts processed as public batches further below
 832
 833                                         if($public_message) {
 834                                                 if($followup)
 835                                                         diaspora_send_followup($target_item,$owner,$contact, true);
 836                                                 break;
 837                                         }
 838
 839                                         if(! $contact['pubkey'])
 840                                                 break;
 841
 842                                         if($target_item['verb'] === ACTIVITY_DISLIKE) {
 843                                                 // unsupported
 844                                                 break;
 845                                         }
 846                                         elseif(($target_item['deleted']) && (($target_item['uri'] === $target_item['parent-uri']) || $followup)) {
 847                                                 // send both top-level retractions and relayable retractions for owner to relay
 848                                                 diaspora_send_retraction($target_item,$owner,$contact);
 849                                                 break;
 850                                         }
 851                                         elseif($followup) {
 852                                                 // send comments and likes to owner to relay
 853                                                 diaspora_send_followup($target_item,$owner,$contact);
 854                                                 break;
 855                                         }
 856                                         elseif($target_item['uri'] !== $target_item['parent-uri']) {
 857                                                 // we are the relay - send comments, likes and relayable_retractions
 858                                                 // (of comments and likes) to our conversants
 859                                                 diaspora_send_relay($target_item,$owner,$contact);
 860                                                 break;
 861                                         }
 862                                         elseif(($top_level) && (! $walltowall)) {
 863                                                 // currently no workable solution for sending walltowall
 864                                                 diaspora_send_status($target_item,$owner,$contact);
 865                                                 break;
 866                                         }
 867
 868                                         break;
 869
 870                                 case NETWORK_FEED:
 871                                 case NETWORK_FACEBOOK:
 872                                         if(get_config('system','dfrn_only'))
 873                                                 break;
 874                                 default:
 875                                         break;
 876                         }
 877                 }
 878         }
 879
 880         // send additional slaps to mentioned remote tags (@foo@example.com)
 881
 882         if($slap && count($url_recipients) && ($followup || $top_level) && $public_message && (! $expire)) {
 883                 if(! get_config('system','dfrn_only')) {
 884                         foreach($url_recipients as $url) {
 885                                 if($url) {
 886                                         logger('notifier: urldelivery: ' . $url);
 887                                         $deliver_status = slapper($owner,$url,$slap);
 888                                         // TODO: redeliver/queue these items on failure, though there is no contact record
 889                                 }
 890                         }
 891                 }
 892         }
 893
 894
 895         if($public_message) {
 896
 897                 $r1 = q("SELECT DISTINCT(`batch`), `id`, `name`,`network` FROM `contact` WHERE `network` = '%s'
 898                         AND `uid` = %d AND `rel` != %d group by `batch` ORDER BY rand() ",
 899                         dbesc(NETWORK_DIASPORA),
 900                         intval($owner['uid']),
 901                         intval(CONTACT_IS_SHARING)
 902                 );
 903
 904                 $r2 = q("SELECT `id`, `name`,`network` FROM `contact`
 905                         WHERE `network` in ( '%s', '%s')  AND `uid` = %d AND `blocked` = 0 AND `pending` = 0 AND `archive` = 0
 906                         AND `rel` != %d order by rand() ",
 907                         dbesc(NETWORK_DFRN),
 908                         dbesc(NETWORK_MAIL2),
 909                         intval($owner['uid']),
 910                         intval(CONTACT_IS_SHARING)
 911                 );
 912
 913                 $r = array_merge($r2,$r1);
 914
 915                 if(count($r)) {
 916                         logger('pubdeliver: ' . print_r($r,true), LOGGER_DEBUG);
 917
 918                         // throw everything into the queue in case we get killed
 919
 920                         foreach($r as $rr) {
 921                                 if((! $mail) && (! $fsuggest) && (! $followup)) {
 922                                         q("insert into deliverq ( `cmd`,`item`,`contact` ) values ('%s', %d, %d )",
 923                                                 dbesc($cmd),
 924                                                 intval($item_id),
 925                                                 intval($rr['id'])
 926                                         );
 927                                 }
 928                         }
 929
 930                         foreach($r as $rr) {
 931
 932                                 // except for Diaspora batch jobs
 933                                 // Don't deliver to folks who have already been delivered to
 934
 935                                 if(($rr['network'] !== NETWORK_DIASPORA) && (in_array($rr['id'],$conversants))) {
 936                                         logger('notifier: already delivered id=' . $rr['id']);
 937                                         continue;
 938                                 }
 939
 940                                 if((! $mail) && (! $fsuggest) && (! $followup)) {
 941                                         logger('notifier: delivery agent: ' . $rr['name'] . ' ' . $rr['id']);
 942                                         proc_run('php','include/delivery.php',$cmd,$item_id,$rr['id']);
 943                                         if($interval)
 944                                                 @time_sleep_until(microtime(true) + (float) $interval);
 945                                 }
 946                         }
 947                 }
 948
 949
 950                 if(strlen($hub)) {
 951                         $hubs = explode(',', $hub);
 952                         if(count($hubs)) {
 953                                 foreach($hubs as $h) {
 954                                         $h = trim($h);
 955                                         if(! strlen($h))
 956                                                 continue;
 957                                         $params = 'hub.mode=publish&hub.url=' . urlencode($a->get_baseurl() . '/dfrn_poll/' . $owner['nickname'] );
 958                                         post_url($h,$params);
 959                                         logger('pubsub: publish: ' . $h . ' ' . $params . ' returned ' . $a->get_curl_code());
 960                                         if(count($hubs) > 1)
 961                                                 sleep(7);                               // try and avoid multiple hubs responding at precisely the same time
 962                                 }
 963                         }
 964                 }
 965
 966         }
 967
 968         // If the item was deleted, clean up the `sign` table
 969         if($target_item['deleted']) {
 970                 $r = q("DELETE FROM sign where `retract_iid` = %d",
 971                         intval($target_item['id'])
 972                 );
 973         }
 974
 975         logger('notifier: calling hooks', LOGGER_DEBUG);
 976
 977         if($normal_mode)
 978                 call_hooks('notifier_normal',$target_item);
 979
 980         call_hooks('notifier_end',$target_item);
 981
 982         return;
 983 }
 984
 985
 986 if (array_search(__file__,get_included_files())===0){
 987   notifier_run($argv,$argc);
 988   killme();
 989 }