include/notifier.php

   1 <?php
   2 require_once("boot.php");
   3 require_once('include/queue_fn.php');
   4 require_once('include/html2plain.php');
   5 require_once("include/Scrape.php");
   6 require_once('include/diaspora.php');
   7
   8 /*
   9  * This file was at one time responsible for doing all deliveries, but this caused
  10  * big problems on shared hosting systems, where the process might get killed by the
  11  * hosting provider and nothing would get delivered.
  12  * It now only delivers one message under certain cases, and invokes a queued
  13  * delivery mechanism (include/deliver.php) to deliver individual contacts at
  14  * controlled intervals.
  15  * This has a much better chance of surviving random processes getting killed
  16  * by the hosting provider.
  17  * A lot of this code is duplicated in include/deliver.php until we have time to go back
  18  * and re-structure the delivery procedure based on the obstacles that have been thrown at
  19  * us by hosting providers.
  20  */
  21
  22 /*
  23  * The notifier is typically called with:
  24  *
  25  *              proc_run('php', "include/notifier.php", COMMAND, ITEM_ID);
  26  *
  27  * where COMMAND is one of the following:
  28  *
  29  *              activity                                (in diaspora.php, dfrn_confirm.php, profiles.php)
  30  *              comment-import                  (in diaspora.php, items.php)
  31  *              comment-new                             (in item.php)
  32  *              drop                                    (in diaspora.php, items.php, photos.php)
  33  *              edit_post                               (in item.php)
  34  *              event                                   (in events.php)
  35  *              expire                                  (in items.php)
  36  *              like                                    (in like.php, poke.php)
  37  *              mail                                    (in message.php)
  38  *              suggest                                 (in fsuggest.php)
  39  *              tag                                             (in photos.php, poke.php, tagger.php)
  40  *              tgroup                                  (in items.php)
  41  *              wall-new                                (in photos.php, item.php)
  42  *              removeme                                (in Contact.php)
  43  *              relocate                                (in uimport.php)
  44  *
  45  * and ITEM_ID is the id of the item in the database that needs to be sent to others.
  46  */
  47
  48
  49 function notifier_run(&$argv, &$argc){
  50         global $a, $db;
  51
  52         if(is_null($a)){
  53                 $a = new App;
  54         }
  55
  56         if(is_null($db)) {
  57                 @include(".htconfig.php");
  58                 require_once("include/dba.php");
  59                 $db = new dba($db_host, $db_user, $db_pass, $db_data);
  60                         unset($db_host, $db_user, $db_pass, $db_data);
  61         }
  62
  63         require_once("include/session.php");
  64         require_once("include/datetime.php");
  65         require_once('include/items.php');
  66         require_once('include/bbcode.php');
  67         require_once('include/email.php');
  68         load_config('config');
  69         load_config('system');
  70
  71         load_hooks();
  72
  73         if($argc < 3)
  74                 return;
  75
  76         $a->set_baseurl(get_config('system','url'));
  77
  78         logger('notifier: invoked: ' . print_r($argv,true), LOGGER_DEBUG);
  79
  80         $cmd = $argv[1];
  81
  82         switch($cmd) {
  83                 case 'mail':
  84                 default:
  85                         $item_id = intval($argv[2]);
  86                         if(! $item_id){
  87                                 return;
  88                         }
  89                         break;
  90         }
  91
  92         $expire = false;
  93         $mail = false;
  94         $fsuggest = false;
  95         $relocate = false;
  96         $top_level = false;
  97         $recipients = array();
  98         $url_recipients = array();
  99
 100         $normal_mode = true;
 101
 102         if($cmd === 'mail') {
 103                 $normal_mode = false;
 104                 $mail = true;
 105                 $message = q("SELECT * FROM `mail` WHERE `id` = %d LIMIT 1",
 106                                 intval($item_id)
 107                 );
 108                 if(! count($message)){
 109                         return;
 110                 }
 111                 $uid = $message[0]['uid'];
 112                 $recipients[] = $message[0]['contact-id'];
 113                 $item = $message[0];
 114
 115         }
 116         elseif($cmd === 'expire') {
 117                 $normal_mode = false;
 118                 $expire = true;
 119                 $items = q("SELECT * FROM `item` WHERE `uid` = %d AND `wall` = 1
 120                         AND `deleted` = 1 AND `changed` > UTC_TIMESTAMP() - INTERVAL 10 MINUTE",
 121                         intval($item_id)
 122                 );
 123                 $uid = $item_id;
 124                 $item_id = 0;
 125                 if(! count($items))
 126                         return;
 127         }
 128         elseif($cmd === 'suggest') {
 129                 $normal_mode = false;
 130                 $fsuggest = true;
 131
 132                 $suggest = q("SELECT * FROM `fsuggest` WHERE `id` = %d LIMIT 1",
 133                         intval($item_id)
 134                 );
 135                 if(! count($suggest))
 136                         return;
 137                 $uid = $suggest[0]['uid'];
 138                 $recipients[] = $suggest[0]['cid'];
 139                 $item = $suggest[0];
 140         } elseif($cmd === 'removeme') {
 141                 $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1", intval($item_id));
 142                 if (! $r)
 143                         return;
 144
 145                 $user = $r[0];
 146                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1", intval($item_id));
 147                 if (! $r)
 148                         return;
 149
 150                 $self = $r[0];
 151                 $r = q("SELECT * FROM `contact` WHERE `self` = 0 AND `uid` = %d", intval($item_id));
 152                 if(! $r)
 153                         return;
 154
 155                 require_once('include/Contact.php');
 156                 foreach($r as $contact) {
 157                         terminate_friendship($user, $self, $contact);
 158                 }
 159                 return;
 160         } elseif($cmd === 'relocate') {
 161                 $normal_mode = false;
 162                 $relocate = true;
 163                 $uid = $item_id;
 164         } else {
 165                 // find ancestors
 166                 $r = q("SELECT * FROM `item` WHERE `id` = %d and visible = 1 and moderated = 0 LIMIT 1",
 167                         intval($item_id)
 168                 );
 169
 170                 if((! count($r)) || (! intval($r[0]['parent']))) {
 171                         return;
 172                 }
 173
 174                 $target_item = $r[0];
 175                 $parent_id = intval($r[0]['parent']);
 176                 $uid = $r[0]['uid'];
 177                 $updated = $r[0]['edited'];
 178
 179                 // POSSIBLE CLEANUP --> The following seems superfluous. We've already checked for "if (! intval($r[0]['parent']))" a few lines up
 180                 if(! $parent_id)
 181                         return;
 182
 183                 $items = q("SELECT `item`.*, `sign`.`signed_text`,`sign`.`signature`,`sign`.`signer`
 184                         FROM `item` LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id` WHERE `parent` = %d and visible = 1 and moderated = 0 ORDER BY `id` ASC",
 185                         intval($parent_id)
 186                 );
 187
 188                 if(! count($items)) {
 189                         return;
 190                 }
 191
 192                 // avoid race condition with deleting entries
 193
 194                 if($items[0]['deleted']) {
 195                         foreach($items as $item)
 196                                 $item['deleted'] = 1;
 197                 }
 198
 199                 if((count($items) == 1) && ($items[0]['id'] === $target_item['id']) && ($items[0]['uri'] === $items[0]['parent-uri'])) {
 200                         logger('notifier: top level post');
 201                         $top_level = true;
 202                 }
 203
 204         }
 205
 206         $r = q("SELECT `contact`.*, `user`.`pubkey` AS `upubkey`, `user`.`prvkey` AS `uprvkey`,
 207                 `user`.`timezone`, `user`.`nickname`, `user`.`sprvkey`, `user`.`spubkey`,
 208                 `user`.`page-flags`, `user`.`prvnets`
 209                 FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
 210                 WHERE `contact`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
 211                 intval($uid)
 212         );
 213
 214         if(! count($r))
 215                 return;
 216
 217         $owner = $r[0];
 218
 219         $walltowall = ((($top_level) && ($owner['id'] != $items[0]['contact-id'])) ? true : false);
 220
 221         $hub = get_config('system','huburl');
 222
 223         // If this is a public conversation, notify the feed hub
 224         $public_message = true;
 225
 226         // Do a PuSH
 227         $push_notify = false;
 228
 229         // fill this in with a single salmon slap if applicable
 230         $slap = '';
 231
 232         if(! ($mail || $fsuggest || $relocate)) {
 233
 234                 require_once('include/group.php');
 235
 236                 $parent = $items[0];
 237
 238                 $thr_parent = q("SELECT `network` FROM `item` WHERE `uri` = '%s' AND `uid` = %d",
 239                         dbesc($target_item["thr-parent"]), intval($target_item["uid"]));
 240
 241                 logger('Parent is '.$parent['network'].'. Thread parent is '.$thr_parent[0]['network'], LOGGER_DEBUG);
 242
 243                 // This is IMPORTANT!!!!
 244
 245                 // We will only send a "notify owner to relay" or followup message if the referenced post
 246                 // originated on our system by virtue of having our hostname somewhere
 247                 // in the URI, AND it was a comment (not top_level) AND the parent originated elsewhere.
 248
 249                 // if $parent['wall'] == 1 we will already have the parent message in our array
 250                 // and we will relay the whole lot.
 251
 252                 // expire sends an entire group of expire messages and cannot be forwarded.
 253                 // However the conversation owner will be a part of the conversation and will
 254                 // be notified during this run.
 255                 // Other DFRN conversation members will be alerted during polled updates.
 256
 257
 258
 259                 // Diaspora members currently are not notified of expirations, and other networks have
 260                 // either limited or no ability to process deletions. We should at least fix Diaspora
 261                 // by stringing togther an array of retractions and sending them onward.
 262
 263
 264                 $localhost = str_replace('www.','',$a->get_hostname());
 265                 if(strpos($localhost,':'))
 266                         $localhost = substr($localhost,0,strpos($localhost,':'));
 267
 268                 /**
 269                  *
 270                  * Be VERY CAREFUL if you make any changes to the following several lines. Seemingly innocuous changes
 271                  * have been known to cause runaway conditions which affected several servers, along with
 272                  * permissions issues.
 273                  *
 274                  */
 275
 276                 $relay_to_owner = false;
 277
 278                 if((! $top_level) && ($parent['wall'] == 0) && (! $expire) && (stristr($target_item['uri'],$localhost))) {
 279                         $relay_to_owner = true;
 280                 }
 281
 282
 283                 if(($cmd === 'uplink') && (intval($parent['forum_mode']) == 1) && (! $top_level)) {
 284                         $relay_to_owner = true;
 285                 }
 286
 287                 // until the 'origin' flag has been in use for several months
 288                 // we will just use it as a fallback test
 289                 // later we will be able to use it as the primary test of whether or not to relay.
 290
 291                 if(! $target_item['origin'])
 292                         $relay_to_owner = false;
 293
 294                 if($parent['origin'])
 295                         $relay_to_owner = false;
 296
 297                 if($relay_to_owner) {
 298                         logger('notifier: followup '.$target_item["guid"], LOGGER_DEBUG);
 299                         // local followup to remote post
 300                         $followup = true;
 301                         $public_message = false; // not public
 302                         $conversant_str = dbesc($parent['contact-id']);
 303                         $recipients = array($parent['contact-id']);
 304
 305                         if (!$target_item['private'] AND $target_item['wall'] AND
 306                                 (strlen($target_item['allow_cid'].$target_item['allow_gid'].
 307                                         $target_item['deny_cid'].$target_item['deny_gid']) == 0))
 308                                 $push_notify = true;
 309
 310                         // We notify Friendica users in the thread when it is an OStatus thread.
 311                         // Hopefully this transfers the messages to the other Friendica servers. (Untested)
 312                         if (($thr_parent AND ($thr_parent[0]['network'] == NETWORK_OSTATUS)) OR ($parent['network'] == NETWORK_OSTATUS)) {
 313
 314                                 $push_notify = true;
 315
 316                                 if ($parent["network"] == NETWORK_OSTATUS) {
 317                                         $r = q("SELECT `author-link` FROM `item` WHERE `parent` = %d AND `author-link` != '%s'",
 318                                                 intval($target_item["parent"]), dbesc($owner['url']));
 319                                         foreach($r as $parent_item) {
 320                                                 $probed_contact = probe_url($parent_item["author-link"]);
 321                                                 if (($probed_contact["notify"] != "") AND ($probed_contact["network"] == NETWORK_DFRN)) {
 322                                                         logger('Notify Friendica user '.$probed_contact["url"].': '.$probed_contact["notify"]);
 323                                                         $url_recipients[$probed_contact["notify"]] = $probed_contact["notify"];
 324                                                 }
 325                                         }
 326                                 }
 327
 328                                 if (count($url_recipients))
 329                                         logger("url_recipients ".print_r($url_recipients,true));
 330                         }
 331                 } else {
 332                         $followup = false;
 333
 334                         logger('Distributing directly '.$target_item["guid"], LOGGER_DEBUG);
 335
 336                         // don't send deletions onward for other people's stuff
 337
 338                         if($target_item['deleted'] && (! intval($target_item['wall']))) {
 339                                 logger('notifier: ignoring delete notification for non-wall item');
 340                                 return;
 341                         }
 342
 343                         if((strlen($parent['allow_cid']))
 344                                 || (strlen($parent['allow_gid']))
 345                                 || (strlen($parent['deny_cid']))
 346                                 || (strlen($parent['deny_gid']))) {
 347                                 $public_message = false; // private recipients, not public
 348                         }
 349
 350                         $allow_people = expand_acl($parent['allow_cid']);
 351                         $allow_groups = expand_groups(expand_acl($parent['allow_gid']),true);
 352                         $deny_people  = expand_acl($parent['deny_cid']);
 353                         $deny_groups  = expand_groups(expand_acl($parent['deny_gid']));
 354
 355                         // if our parent is a public forum (forum_mode == 1), uplink to the origional author causing
 356                         // a delivery fork. private groups (forum_mode == 2) do not uplink
 357
 358                         if((intval($parent['forum_mode']) == 1) && (! $top_level) && ($cmd !== 'uplink')) {
 359                                 proc_run('php','include/notifier.php','uplink',$item_id);
 360                         }
 361
 362                         $conversants = array();
 363
 364                         foreach($items as $item) {
 365                                 $recipients[] = $item['contact-id'];
 366                                 $conversants[] = $item['contact-id'];
 367                                 // pull out additional tagged people to notify (if public message)
 368                                 if($public_message && strlen($item['inform'])) {
 369                                         $people = explode(',',$item['inform']);
 370                                         foreach($people as $person) {
 371                                                 if(substr($person,0,4) === 'cid:') {
 372                                                         $recipients[] = intval(substr($person,4));
 373                                                         $conversants[] = intval(substr($person,4));
 374                                                 }
 375                                                 else {
 376                                                         $url_recipients[] = substr($person,4);
 377                                                 }
 378                                         }
 379                                 }
 380                         }
 381
 382                         if (count($url_recipients))
 383                                 logger('notifier: '.$target_item["guid"].' url_recipients ' . print_r($url_recipients,true));
 384
 385                         $conversants = array_unique($conversants);
 386
 387
 388                         $recipients = array_unique(array_merge($recipients,$allow_people,$allow_groups));
 389                         $deny = array_unique(array_merge($deny_people,$deny_groups));
 390                         $recipients = array_diff($recipients,$deny);
 391
 392                         $conversant_str = dbesc(implode(', ',$conversants));
 393                 }
 394
 395                 // If the thread parent is OStatus then do some magic to distribute the messages.
 396                 // We have not only to look at the parent, since it could be a Friendica thread.
 397                 if (($thr_parent AND ($thr_parent[0]['network'] == NETWORK_OSTATUS)) OR ($parent['network'] == NETWORK_OSTATUS)) {
 398
 399                         logger('Some parent is OStatus for '.$target_item["guid"], LOGGER_DEBUG);
 400
 401                         // Send a salmon notification to every person we mentioned in the post
 402                         $arr = explode(',',$target_item['tag']);
 403                         foreach($arr as $x) {
 404                                 //logger('Checking tag '.$x, LOGGER_DEBUG);
 405                                 $matches = null;
 406                                 if(preg_match('/@\[url=([^\]]*)\]/',$x,$matches)) {
 407                                                 $probed_contact = probe_url($matches[1]);
 408                                         if ($probed_contact["notify"] != "") {
 409                                                 logger('Notify mentioned user '.$probed_contact["url"].': '.$probed_contact["notify"]);
 410                                                 $url_recipients[$probed_contact["notify"]] = $probed_contact["notify"];
 411                                         }
 412                                 }
 413                         }
 414
 415                         // It only makes sense to distribute answers to OStatus messages to Friendica and OStatus - but not Diaspora
 416                         $sql_extra = " AND `network` IN ('".NETWORK_OSTATUS."', '".NETWORK_DFRN."')";
 417                 } else
 418                         $sql_extra = "";
 419
 420                 $r = q("SELECT * FROM `contact` WHERE `id` IN ($conversant_str) AND `blocked` = 0 AND `pending` = 0 AND `archive` = 0".$sql_extra);
 421
 422                 if(count($r))
 423                         $contacts = $r;
 424         }
 425
 426         $feed_template = get_markup_template('atom_feed.tpl');
 427         $mail_template = get_markup_template('atom_mail.tpl');
 428
 429         $atom = '';
 430         $slaps = array();
 431
 432         $hubxml = feed_hublinks();
 433
 434         $birthday = feed_birthday($owner['uid'],$owner['timezone']);
 435
 436         if(strlen($birthday))
 437                 $birthday = '<dfrn:birthday>' . xmlify($birthday) . '</dfrn:birthday>';
 438
 439         $atom .= replace_macros($feed_template, array(
 440                         '$version'      => xmlify(FRIENDICA_VERSION),
 441                         '$feed_id'      => xmlify($a->get_baseurl() . '/profile/' . $owner['nickname'] ),
 442                         '$feed_title'   => xmlify($owner['name']),
 443                         '$feed_updated' => xmlify(datetime_convert('UTC', 'UTC', $updated . '+00:00' , ATOM_TIME)) ,
 444                         '$hub'          => $hubxml,
 445                         '$salmon'       => '',  // private feed, we don't use salmon here
 446                         '$name'         => xmlify($owner['name']),
 447                         '$profile_page' => xmlify($owner['url']),
 448                         '$photo'        => xmlify($owner['photo']),
 449                         '$thumb'        => xmlify($owner['thumb']),
 450                         '$picdate'      => xmlify(datetime_convert('UTC','UTC',$owner['avatar-date'] . '+00:00' , ATOM_TIME)) ,
 451                         '$uridate'      => xmlify(datetime_convert('UTC','UTC',$owner['uri-date']    . '+00:00' , ATOM_TIME)) ,
 452                         '$namdate'      => xmlify(datetime_convert('UTC','UTC',$owner['name-date']   . '+00:00' , ATOM_TIME)) ,
 453                         '$birthday'     => $birthday,
 454                         '$community'    => (($owner['page-flags'] == PAGE_COMMUNITY) ? '<dfrn:community>1</dfrn:community>' : '')
 455
 456         ));
 457
 458         if($mail) {
 459                 $public_message = false;  // mail is  not public
 460
 461                 $body = fix_private_photos($item['body'],$owner['uid'],null,$message[0]['contact-id']);
 462
 463                 $atom .= replace_macros($mail_template, array(
 464                         '$name'         => xmlify($owner['name']),
 465                         '$profile_page' => xmlify($owner['url']),
 466                         '$thumb'        => xmlify($owner['thumb']),
 467                         '$item_id'      => xmlify($item['uri']),
 468                         '$subject'      => xmlify($item['title']),
 469                         '$created'      => xmlify(datetime_convert('UTC', 'UTC', $item['created'] . '+00:00' , ATOM_TIME)),
 470                         '$content'      => xmlify($body),
 471                         '$parent_id'    => xmlify($item['parent-uri'])
 472                 ));
 473         } elseif($fsuggest) {
 474                 $public_message = false;  // suggestions are not public
 475
 476                 $sugg_template = get_markup_template('atom_suggest.tpl');
 477
 478                 $atom .= replace_macros($sugg_template, array(
 479                         '$name'         => xmlify($item['name']),
 480                         '$url'          => xmlify($item['url']),
 481                         '$photo'        => xmlify($item['photo']),
 482                         '$request'      => xmlify($item['request']),
 483                         '$note'         => xmlify($item['note'])
 484                 ));
 485
 486                 // We don't need this any more
 487
 488                 q("DELETE FROM `fsuggest` WHERE `id` = %d LIMIT 1",
 489                         intval($item['id'])
 490                 );
 491
 492         } elseif($relocate) {
 493                 $public_message = false;  // suggestions are not public
 494
 495                 $sugg_template = get_markup_template('atom_relocate.tpl');
 496
 497                 /* get site pubkey. this could be a new installation with no site keys*/
 498                 $pubkey = get_config('system','site_pubkey');
 499                 if(! $pubkey) {
 500                         $res = new_keypair(1024);
 501                         set_config('system','site_prvkey', $res['prvkey']);
 502                         set_config('system','site_pubkey', $res['pubkey']);
 503                 }
 504
 505                 $rp = q("SELECT `resource-id` , `scale`, type FROM `photo`
 506                                                 WHERE `profile` = 1 AND `uid` = %d ORDER BY scale;", $uid);
 507                 $photos = array();
 508                 $ext = Photo::supportedTypes();
 509                 foreach($rp as $p){
 510                         $photos[$p['scale']] = $a->get_baseurl().'/photo/'.$p['resource-id'].'-'.$p['scale'].'.'.$ext[$p['type']];
 511                 }
 512                 unset($rp, $ext);
 513
 514                 $atom .= replace_macros($sugg_template, array(
 515                                         '$name' => xmlify($owner['name']),
 516                                         '$photo' => xmlify($photos[4]),
 517                                         '$thumb' => xmlify($photos[5]),
 518                                         '$micro' => xmlify($photos[6]),
 519                                         '$url' => xmlify($owner['url']),
 520                                         '$request' => xmlify($owner['request']),
 521                                         '$confirm' => xmlify($owner['confirm']),
 522                                         '$notify' => xmlify($owner['notify']),
 523                                         '$poll' => xmlify($owner['poll']),
 524                                         '$sitepubkey' => xmlify(get_config('system','site_pubkey')),
 525                                         //'$pubkey' => xmlify($owner['pubkey']),
 526                                         //'$prvkey' => xmlify($owner['prvkey']),
 527                         ));
 528                 $recipients_relocate = q("SELECT * FROM contact WHERE uid = %d  AND self = 0 AND network = '%s'" , intval($uid), NETWORK_DFRN);
 529                 unset($photos);
 530         } else {
 531
 532                 $slap = atom_entry($target_item,'html',null,$owner,false);
 533
 534                 if($followup) {
 535                         foreach($items as $item) {  // there is only one item
 536                                 if(! $item['parent'])
 537                                         continue;
 538                                 if($item['id'] == $item_id) {
 539                                         logger('notifier: followup: item: ' . print_r($item,true), LOGGER_DATA);
 540                                         //$slap  = atom_entry($item,'html',null,$owner,false);
 541                                         $atom .= atom_entry($item,'text',null,$owner,false);
 542                                 }
 543                         }
 544                 } else {
 545                         foreach($items as $item) {
 546
 547                                 if(! $item['parent'])
 548                                         continue;
 549
 550                                 // private emails may be in included in public conversations. Filter them.
 551
 552                                 if(($public_message) && $item['private'] == 1)
 553                                         continue;
 554
 555
 556                                 $contact = get_item_contact($item,$contacts);
 557
 558                                 if(! $contact)
 559                                         continue;
 560
 561                                 if($normal_mode) {
 562
 563                                         // we only need the current item, but include the parent because without it
 564                                         // older sites without a corresponding dfrn_notify change may do the wrong thing.
 565
 566                                     if($item_id == $item['id'] || $item['id'] == $item['parent'])
 567                                                 $atom .= atom_entry($item,'text',null,$owner,true);
 568                                 } else
 569                                         $atom .= atom_entry($item,'text',null,$owner,true);
 570
 571                                 if(($top_level) && ($public_message) && ($item['author-link'] === $item['owner-link']) && (! $expire))
 572                                         $slaps[] = atom_entry($item,'html',null,$owner,true);
 573                         }
 574                 }
 575         }
 576         $atom .= '</feed>' . "\r\n";
 577
 578         logger('notifier: ' . $atom, LOGGER_DATA);
 579
 580         logger('notifier: slaps: ' . print_r($slaps,true), LOGGER_DATA);
 581
 582         // If this is a public message and pubmail is set on the parent, include all your email contacts
 583
 584         $mail_disabled = ((function_exists('imap_open') && (! get_config('system','imap_disabled'))) ? 0 : 1);
 585
 586         if(! $mail_disabled) {
 587                 if((! strlen($target_item['allow_cid'])) && (! strlen($target_item['allow_gid']))
 588                         && (! strlen($target_item['deny_cid'])) && (! strlen($target_item['deny_gid']))
 589                         && (intval($target_item['pubmail']))) {
 590                         $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `network` = '%s'",
 591                                 intval($uid),
 592                                 dbesc(NETWORK_MAIL)
 593                         );
 594                         if(count($r)) {
 595                                 foreach($r as $rr)
 596                                         $recipients[] = $rr['id'];
 597                         }
 598                 }
 599         }
 600
 601         if($followup)
 602                 $recip_str = $parent['contact-id'];
 603         else
 604                 $recip_str = implode(', ', $recipients);
 605
 606         if ($relocate)
 607                 $r = $recipients_relocate;
 608         else
 609                 $r = q("SELECT * FROM `contact` WHERE `id` IN ( %s ) AND `blocked` = 0 AND `pending` = 0 ",
 610                         dbesc($recip_str)
 611                 );
 612
 613
 614         require_once('include/salmon.php');
 615
 616         $interval = ((get_config('system','delivery_interval') === false) ? 2 : intval(get_config('system','delivery_interval')));
 617
 618         // If we are using the worker we don't need a delivery interval
 619         if (get_config("system", "worker"))
 620                 $interval = false;
 621
 622         // delivery loop
 623
 624         if(count($r)) {
 625
 626                 foreach($r as $contact) {
 627                         if((! $mail) && (! $fsuggest) && (! $followup) && (!$relocate) && (! $contact['self'])) {
 628                                 if(($contact['network'] === NETWORK_DIASPORA) && ($public_message))
 629                                         continue;
 630                                 q("insert into deliverq ( `cmd`,`item`,`contact` ) values ('%s', %d, %d )",
 631                                         dbesc($cmd),
 632                                         intval($item_id),
 633                                         intval($contact['id'])
 634                                 );
 635                         }
 636                 }
 637
 638
 639                 // This controls the number of deliveries to execute with each separate delivery process.
 640                 // By default we'll perform one delivery per process. Assuming a hostile shared hosting
 641                 // provider, this provides the greatest chance of deliveries if processes start getting
 642                 // killed. We can also space them out with the delivery_interval to also help avoid them
 643                 // getting whacked.
 644
 645                 // If $deliveries_per_process > 1, we will chain this number of multiple deliveries
 646                 // together into a single process. This will reduce the overall number of processes
 647                 // spawned for each delivery, but they will run longer.
 648
 649                 // When using the workerqueue, we don't need this functionality.
 650
 651                 $deliveries_per_process = intval(get_config('system','delivery_batch_count'));
 652                 if (($deliveries_per_process <= 0) OR get_config("system", "worker"))
 653                         $deliveries_per_process = 1;
 654
 655                 $this_batch = array();
 656
 657                 for($x = 0; $x < count($r); $x ++) {
 658                         $contact = $r[$x];
 659
 660                         if($contact['self'])
 661                                 continue;
 662
 663                         logger("Deliver ".$target_item["guid"]." to ".$contact['url'], LOGGER_DEBUG);
 664
 665                         // potentially more than one recipient. Start a new process and space them out a bit.
 666                         // we will deliver single recipient types of message and email recipients here.
 667
 668                         if((! $mail) && (! $fsuggest) && (!$relocate) && (! $followup)) {
 669
 670                                 $this_batch[] = $contact['id'];
 671
 672                                 if(count($this_batch) == $deliveries_per_process) {
 673                                         proc_run('php','include/delivery.php',$cmd,$item_id,$this_batch);
 674                                         $this_batch = array();
 675                                         if($interval)
 676                                                 @time_sleep_until(microtime(true) + (float) $interval);
 677                                 }
 678                                 continue;
 679                         }
 680                         // be sure to pick up any stragglers
 681                         if(count($this_batch))
 682                                 proc_run('php','include/delivery.php',$cmd,$item_id,$this_batch);
 683
 684
 685                         $deliver_status = 0;
 686
 687                         logger("main delivery by notifier: followup=$followup mail=$mail fsuggest=$fsuggest relocate=$relocate");
 688
 689                         switch($contact['network']) {
 690                                 case NETWORK_DFRN:
 691
 692                                         // perform local delivery if we are on the same site
 693
 694                                         $basepath =  implode('/', array_slice(explode('/',$contact['url']),0,3));
 695
 696                                         if(link_compare($basepath,$a->get_baseurl())) {
 697
 698                                                 $nickname = basename($contact['url']);
 699                                                 if($contact['issued-id'])
 700                                                         $sql_extra = sprintf(" AND `dfrn-id` = '%s' ", dbesc($contact['issued-id']));
 701                                                 else
 702                                                         $sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($contact['dfrn-id']));
 703
 704                                                 $x = q("SELECT  `contact`.*, `contact`.`uid` AS `importer_uid`,
 705                                                         `contact`.`pubkey` AS `cpubkey`,
 706                                                         `contact`.`prvkey` AS `cprvkey`,
 707                                                         `contact`.`thumb` AS `thumb`,
 708                                                         `contact`.`url` as `url`,
 709                                                         `contact`.`name` as `senderName`,
 710                                                         `user`.*
 711                                                         FROM `contact`
 712                                                         INNER JOIN `user` ON `contact`.`uid` = `user`.`uid`
 713                                                         WHERE `contact`.`blocked` = 0 AND `contact`.`archive` = 0
 714                                                         AND `contact`.`pending` = 0
 715                                                         AND `contact`.`network` = '%s' AND `user`.`nickname` = '%s'
 716                                                         $sql_extra
 717                                                         AND `user`.`account_expired` = 0 AND `user`.`account_removed` = 0 LIMIT 1",
 718                                                         dbesc(NETWORK_DFRN),
 719                                                         dbesc($nickname)
 720                                                 );
 721
 722                                                 if($x && count($x)) {
 723                                                         $write_flag = ((($x[0]['rel']) && ($x[0]['rel'] != CONTACT_IS_SHARING)) ? true : false);
 724                                                         if((($owner['page-flags'] == PAGE_COMMUNITY) || ($write_flag)) && (! $x[0]['writable'])) {
 725                                                                 q("update contact set writable = 1 where id = %d",
 726                                                                         intval($x[0]['id'])
 727                                                                 );
 728                                                                 $x[0]['writable'] = 1;
 729                                                         }
 730
 731                                                         // if contact's ssl policy changed, which we just determined
 732                                                         // is on our own server, update our contact links
 733
 734                                                         $ssl_policy = get_config('system','ssl_policy');
 735                                                         fix_contact_ssl_policy($x[0],$ssl_policy);
 736
 737                                                         // If we are setup as a soapbox we aren't accepting top level posts from this person
 738
 739                                                         if (($x[0]['page-flags'] == PAGE_SOAPBOX) AND $top_level)
 740                                                                 break;
 741
 742                                                         require_once('library/simplepie/simplepie.inc');
 743                                                         logger('mod-delivery: local delivery');
 744                                                         local_delivery($x[0],$atom);
 745                                                         break;
 746                                                 }
 747                                         }
 748
 749                                         logger('notifier: dfrndelivery: ' . $contact['name']);
 750                                         $deliver_status = dfrn_deliver($owner,$contact,$atom);
 751
 752                                         logger('notifier: dfrn_delivery returns ' . $deliver_status);
 753
 754                                         if($deliver_status == (-1)) {
 755                                                 logger('notifier: delivery failed: queuing message');
 756                                                 // queue message for redelivery
 757                                                 add_to_queue($contact['id'],NETWORK_DFRN,$atom);
 758                                         }
 759                                         break;
 760                                 case NETWORK_OSTATUS:
 761
 762                                         // Do not send to ostatus if we are not configured to send to public networks
 763                                         if($owner['prvnets'])
 764                                                 break;
 765
 766                                         if(get_config('system','ostatus_disabled') || get_config('system','dfrn_only'))
 767                                                 break;
 768
 769                                         if($followup && $contact['notify']) {
 770                                                 logger('slapdelivery followup item '.$item_id.' to ' . $contact['name']);
 771                                                 $deliver_status = slapper($owner,$contact['notify'],$slap);
 772
 773                                                 if($deliver_status == (-1)) {
 774                                                         // queue message for redelivery
 775                                                         add_to_queue($contact['id'],NETWORK_OSTATUS,$slap);
 776                                                 }
 777                                         } else {
 778
 779                                                 // only send salmon if public - e.g. if it's ok to notify
 780                                                 // a public hub, it's ok to send a salmon
 781
 782                                                 if((count($slaps)) && ($public_message) && (! $expire)) {
 783                                                         logger('slapdelivery item '.$item_id.' to ' . $contact['name']);
 784                                                         foreach($slaps as $slappy) {
 785                                                                 if($contact['notify']) {
 786                                                                         $deliver_status = slapper($owner,$contact['notify'],$slappy);
 787                                                                         if($deliver_status == (-1)) {
 788                                                                                 // queue message for redelivery
 789                                                                                 add_to_queue($contact['id'],NETWORK_OSTATUS,$slappy);
 790                                                                         }
 791                                                                 }
 792                                                         }
 793                                                 }
 794                                         }
 795                                         break;
 796
 797                                 case NETWORK_MAIL:
 798                                 case NETWORK_MAIL2:
 799
 800                                         if(get_config('system','dfrn_only'))
 801                                                 break;
 802
 803                                         // WARNING: does not currently convert to RFC2047 header encodings, etc.
 804
 805                                         $addr = $contact['addr'];
 806                                         if(! strlen($addr))
 807                                                 break;
 808
 809                                         if($cmd === 'wall-new' || $cmd === 'comment-new') {
 810
 811                                                 $it = null;
 812                                                 if($cmd === 'wall-new')
 813                                                         $it = $items[0];
 814                                                 else {
 815                                                         $r = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 816                                                                 intval($argv[2]),
 817                                                                 intval($uid)
 818                                                         );
 819                                                         if(count($r))
 820                                                                 $it = $r[0];
 821                                                 }
 822                                                 if(! $it)
 823                                                         break;
 824
 825
 826
 827                                                 $local_user = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
 828                                                         intval($uid)
 829                                                 );
 830                                                 if(! count($local_user))
 831                                                         break;
 832
 833                                                 $reply_to = '';
 834                                                 $r1 = q("SELECT * FROM `mailacct` WHERE `uid` = %d LIMIT 1",
 835                                                         intval($uid)
 836                                                 );
 837                                                 if($r1 && $r1[0]['reply_to'])
 838                                                         $reply_to = $r1[0]['reply_to'];
 839
 840                                                 $subject  = (($it['title']) ? email_header_encode($it['title'],'UTF-8') : t("\x28no subject\x29")) ;
 841
 842                                                 // only expose our real email address to true friends
 843                                                 if(($contact['rel'] == CONTACT_IS_FRIEND) && (! $contact['blocked']))
 844                                                         if($reply_to) {
 845                                                                 $headers  = 'From: ' . email_header_encode($local_user[0]['username'],'UTF-8') . ' <' . $reply_to . '>' . "\n";
 846                                                                 $headers .= 'Sender: '.$local_user[0]['email']."\n";
 847                                                         } else
 848                                                                 $headers  = 'From: ' . email_header_encode($local_user[0]['username'],'UTF-8') . ' <' . $local_user[0]['email'] . '>' . "\n";
 849                                                 else
 850                                                         $headers  = 'From: ' . email_header_encode($local_user[0]['username'],'UTF-8') . ' <' . t('noreply') . '@' . $a->get_hostname() . '>' . "\n";
 851
 852                                                 //if($reply_to)
 853                                                 //      $headers .= 'Reply-to: ' . $reply_to . "\n";
 854
 855                                                 $headers .= 'Message-Id: <' . iri2msgid($it['uri']) . '>' . "\n";
 856
 857                                                 if($it['uri'] !== $it['parent-uri']) {
 858                                                         $headers .= "References: <".iri2msgid($it["parent-uri"]).">";
 859
 860                                                         // If Threading is enabled, write down the correct parent
 861                                                         if (($it["thr-parent"] != "") and ($it["thr-parent"] != $it["parent-uri"]))
 862                                                                 $headers .= " <".iri2msgid($it["thr-parent"]).">";
 863                                                         $headers .= "\n";
 864
 865                                                         if(!$it['title']) {
 866                                                                 $r = q("SELECT `title` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 867                                                                         dbesc($it['parent-uri']),
 868                                                                         intval($uid));
 869
 870                                                                 if(count($r) AND ($r[0]['title'] != ''))
 871                                                                         $subject = $r[0]['title'];
 872                                                                 else {
 873                                                                         $r = q("SELECT `title` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d LIMIT 1",
 874                                                                                 dbesc($it['parent-uri']),
 875                                                                                 intval($uid));
 876
 877                                                                         if(count($r) AND ($r[0]['title'] != ''))
 878                                                                                 $subject = $r[0]['title'];
 879                                                                 }
 880                                                         }
 881                                                         if(strncasecmp($subject,'RE:',3))
 882                                                                 $subject = 'Re: '.$subject;
 883                                                 }
 884                                                 email_send($addr, $subject, $headers, $it);
 885                                         }
 886                                         break;
 887                                 case NETWORK_DIASPORA:
 888                                         if(get_config('system','dfrn_only') || (! get_config('system','diaspora_enabled')))
 889                                                 break;
 890
 891                                         if($mail) {
 892                                                 diaspora_send_mail($item,$owner,$contact);
 893                                                 break;
 894                                         }
 895
 896                                         if(! $normal_mode)
 897                                                 break;
 898
 899                                         // special handling for followup to public post
 900                                         // all other public posts processed as public batches further below
 901
 902                                         if($public_message) {
 903                                                 if($followup)
 904                                                         diaspora_send_followup($target_item,$owner,$contact, true);
 905                                                 break;
 906                                         }
 907
 908                                         if(! $contact['pubkey'])
 909                                                 break;
 910
 911                                         $unsupported_activities = array(ACTIVITY_DISLIKE, ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE);
 912
 913                                         //don't transmit activities which are not supported by diaspora
 914                                         foreach($unsupported_activities as $act) {
 915                                                 if(activity_match($target_item['verb'],$act)) {
 916                                                         break 2;
 917                                                 }
 918                                         }
 919
 920                                         if(($target_item['deleted']) && (($target_item['uri'] === $target_item['parent-uri']) || $followup)) {
 921                                                 // send both top-level retractions and relayable retractions for owner to relay
 922                                                 diaspora_send_retraction($target_item,$owner,$contact);
 923                                                 break;
 924                                         }
 925                                         elseif($followup) {
 926                                                 // send comments and likes to owner to relay
 927                                                 diaspora_send_followup($target_item,$owner,$contact);
 928                                                 break;
 929                                         }
 930                                         elseif($target_item['uri'] !== $target_item['parent-uri']) {
 931                                                 // we are the relay - send comments, likes and relayable_retractions
 932                                                 // (of comments and likes) to our conversants
 933                                                 diaspora_send_relay($target_item,$owner,$contact);
 934                                                 break;
 935                                         }
 936                                         elseif(($top_level) && (! $walltowall)) {
 937                                                 // currently no workable solution for sending walltowall
 938                                                 diaspora_send_status($target_item,$owner,$contact);
 939                                                 break;
 940                                         }
 941
 942                                         break;
 943
 944                                 case NETWORK_FEED:
 945                                 case NETWORK_FACEBOOK:
 946                                         if(get_config('system','dfrn_only'))
 947                                                 break;
 948                                 case NETWORK_PUMPIO:
 949                                         if(get_config('system','dfrn_only'))
 950                                                 break;
 951                                 default:
 952                                         break;
 953                         }
 954                 }
 955         }
 956
 957         // send additional slaps to mentioned remote tags (@foo@example.com)
 958
 959         //if($slap && count($url_recipients) && ($followup || $top_level) && ($public_message || $push_notify) && (! $expire)) {
 960         if($slap && count($url_recipients) && ($public_message || $push_notify) && (!$expire)) {
 961                 if(! get_config('system','dfrn_only')) {
 962                         foreach($url_recipients as $url) {
 963                                 if($url) {
 964                                         logger('notifier: urldelivery: ' . $url);
 965                                         $deliver_status = slapper($owner,$url,$slap);
 966                                         // TODO: redeliver/queue these items on failure, though there is no contact record
 967                                 }
 968                         }
 969                 }
 970         }
 971
 972
 973         if($public_message) {
 974
 975                 if (!$followup)
 976                         $r0 = diaspora_fetch_relay();
 977                 else
 978                         $r0 = array();
 979
 980                 $r1 = q("SELECT DISTINCT(`batch`), `id`, `name`,`network` FROM `contact` WHERE `network` = '%s'
 981                         AND `uid` = %d AND `rel` != %d group by `batch` ORDER BY rand() ",
 982                         dbesc(NETWORK_DIASPORA),
 983                         intval($owner['uid']),
 984                         intval(CONTACT_IS_SHARING)
 985                 );
 986
 987                 $r2 = q("SELECT `id`, `name`,`network` FROM `contact`
 988                         WHERE `network` in ( '%s', '%s')  AND `uid` = %d AND `blocked` = 0 AND `pending` = 0 AND `archive` = 0
 989                         AND `rel` != %d order by rand() ",
 990                         dbesc(NETWORK_DFRN),
 991                         dbesc(NETWORK_MAIL2),
 992                         intval($owner['uid']),
 993                         intval(CONTACT_IS_SHARING)
 994                 );
 995
 996                 $r = array_merge($r2,$r1,$r0);
 997
 998                 if(count($r)) {
 999                         logger('pubdeliver: ' . print_r($r,true), LOGGER_DEBUG);
1000
1001                         // throw everything into the queue in case we get killed
1002
1003                         foreach($r as $rr) {
1004                                 if((! $mail) && (! $fsuggest) && (! $followup)) {
1005                                         q("insert into deliverq ( `cmd`,`item`,`contact` ) values ('%s', %d, %d )",
1006                                                 dbesc($cmd),
1007                                                 intval($item_id),
1008                                                 intval($rr['id'])
1009                                         );
1010                                 }
1011                         }
1012
1013                         foreach($r as $rr) {
1014
1015                                 // except for Diaspora batch jobs
1016                                 // Don't deliver to folks who have already been delivered to
1017
1018                                 if(($rr['network'] !== NETWORK_DIASPORA) && (in_array($rr['id'],$conversants))) {
1019                                         logger('notifier: already delivered id=' . $rr['id']);
1020                                         continue;
1021                                 }
1022
1023                                 if((! $mail) && (! $fsuggest) && (! $followup)) {
1024                                         logger('notifier: delivery agent: ' . $rr['name'] . ' ' . $rr['id']);
1025                                         proc_run('php','include/delivery.php',$cmd,$item_id,$rr['id']);
1026                                         if($interval)
1027                                                 @time_sleep_until(microtime(true) + (float) $interval);
1028                                 }
1029                         }
1030                 }
1031
1032                 $push_notify = true;
1033
1034         }
1035
1036
1037         if($push_notify AND strlen($hub)) {
1038                 $hubs = explode(',', $hub);
1039                 if(count($hubs)) {
1040                         foreach($hubs as $h) {
1041                                 $h = trim($h);
1042                                 if(! strlen($h))
1043                                         continue;
1044
1045                                 if ($h === '[internal]') {
1046                                         // Set push flag for PuSH subscribers to this topic,
1047                                         // they will be notified in queue.php
1048                                         q("UPDATE `push_subscriber` SET `push` = 1 " .
1049                                           "WHERE `nickname` = '%s'", dbesc($owner['nickname']));
1050
1051                                         logger('Activating internal PuSH for item '.$item_id, LOGGER_DEBUG);
1052
1053                                 } else {
1054
1055                                         $params = 'hub.mode=publish&hub.url=' . urlencode( $a->get_baseurl() . '/dfrn_poll/' . $owner['nickname'] );
1056                                         post_url($h,$params);
1057                                         logger('publish for item '.$item_id.' ' . $h . ' ' . $params . ' returned ' . $a->get_curl_code());
1058                                 }
1059                                 if(count($hubs) > 1)
1060                                         sleep(7);                               // try and avoid multiple hubs responding at precisely the same time
1061                         }
1062                 }
1063
1064                 // Handling the pubsubhubbub requests
1065                 proc_run('php','include/pubsubpublish.php');
1066         }
1067
1068         // If the item was deleted, clean up the `sign` table
1069         if($target_item['deleted']) {
1070                 $r = q("DELETE FROM sign where `retract_iid` = %d",
1071                         intval($target_item['id'])
1072                 );
1073         }
1074
1075         logger('notifier: calling hooks', LOGGER_DEBUG);
1076
1077         if($normal_mode)
1078                 call_hooks('notifier_normal',$target_item);
1079
1080         call_hooks('notifier_end',$target_item);
1081
1082         return;
1083 }
1084
1085
1086 if (array_search(__file__,get_included_files())===0){
1087         notifier_run($_SERVER["argv"],$_SERVER["argc"]);
1088         killme();
1089 }