include/notifier.php

   1 <?php
   2 require_once("boot.php");
   3
   4 function notifier_run($argv, $argc){
   5         global $a, $db;
   6
   7         if(is_null($a)){
   8                 $a = new App;
   9         }
  10
  11         if(is_null($db)) {
  12                 @include(".htconfig.php");
  13                 require_once("dba.php");
  14                 $db = new dba($db_host, $db_user, $db_pass, $db_data);
  15                         unset($db_host, $db_user, $db_pass, $db_data);
  16         }
  17
  18         require_once("session.php");
  19         require_once("datetime.php");
  20         require_once('include/items.php');
  21         require_once('include/bbcode.php');
  22
  23         load_config('config');
  24         load_config('system');
  25
  26         load_hooks();
  27
  28         if($argc < 3)
  29                 return;
  30
  31         $a->set_baseurl(get_config('system','url'));
  32
  33         logger('notifier: invoked: ' . print_r($argv,true));
  34
  35         $cmd = $argv[1];
  36
  37         switch($cmd) {
  38
  39                 case 'mail':
  40                 default:
  41                         $item_id = intval($argv[2]);
  42                         if(! $item_id){
  43                                 return;
  44                         }
  45                         break;
  46         }
  47
  48         $expire = false;
  49         $top_level = false;
  50         $recipients = array();
  51         $url_recipients = array();
  52
  53         if($cmd === 'mail') {
  54
  55                 $message = q("SELECT * FROM `mail` WHERE `id` = %d LIMIT 1",
  56                                 intval($item_id)
  57                 );
  58                 if(! count($message)){
  59                         return;
  60                 }
  61                 $uid = $message[0]['uid'];
  62                 $recipients[] = $message[0]['contact-id'];
  63                 $item = $message[0];
  64
  65         }
  66         elseif($cmd === 'expire') {
  67                 $expire = true;
  68                 $items = q("SELECT * FROM `item` WHERE `uid` = %d AND `wall` = 1
  69                         AND `deleted` = 1 AND `changed` > UTC_TIMESTAMP - INTERVAL 10 MINUTE",
  70                         intval($item_id)
  71                 );
  72                 $uid = $item_id;
  73                 $item_id = 0;
  74                 if(! count($items))
  75                         return;
  76         }
  77         elseif($cmd === 'suggest') {
  78                 $suggest = q("SELECT * FROM `fsuggest` WHERE `id` = %d LIMIT 1",
  79                         intval($item_id)
  80                 );
  81                 if(! count($suggest))
  82                         return;
  83                 $uid = $suggest[0]['uid'];
  84                 $recipients[] = $suggest[0]['cid'];
  85                 $item = $suggest[0];
  86         }
  87         else {
  88
  89                 // find ancestors
  90                 $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
  91                         intval($item_id)
  92                 );
  93
  94                 if((! count($r)) || (! intval($r[0]['parent']))) {
  95                         return;
  96                 }
  97
  98                 $parent_item = $r[0];
  99                 $parent_id = intval($r[0]['parent']);
 100                 $uid = $r[0]['uid'];
 101                 $updated = $r[0]['edited'];
 102
 103                 $items = q("SELECT * FROM `item` WHERE `parent` = %d ORDER BY `id` ASC",
 104                         intval($parent_id)
 105                 );
 106
 107                 if(! count($items)) {
 108                         return;
 109                 }
 110
 111                 // avoid race condition with deleting entries
 112
 113                 if($items[0]['deleted']) {
 114                         foreach($items as $item)
 115                                 $item['deleted'] = 1;
 116                 }
 117
 118                 if(count($items) == 1 && $items[0]['uri'] === $items[0]['parent-uri'])
 119                         $top_level = true;
 120         }
 121
 122         $r = q("SELECT `contact`.*, `user`.`pubkey` AS `upubkey`, `user`.`prvkey` AS `uprvkey`,
 123                 `user`.`timezone`, `user`.`nickname`, `user`.`sprvkey`, `user`.`spubkey`,
 124                 `user`.`page-flags`, `user`.`prvnets`
 125                 FROM `contact` LEFT JOIN `user` ON `user`.`uid` = `contact`.`uid`
 126                 WHERE `contact`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
 127                 intval($uid)
 128         );
 129
 130         if(! count($r))
 131                 return;
 132
 133         $owner = $r[0];
 134
 135         $hub = get_config('system','huburl');
 136
 137         // If this is a public conversation, notify the feed hub
 138         $notify_hub = true;
 139
 140         // fill this in with a single salmon slap if applicable
 141         $slap = '';
 142
 143         if($cmd != 'mail' && $cmd != 'suggest') {
 144
 145                 require_once('include/group.php');
 146
 147                 $parent = $items[0];
 148
 149                 if($parent['wall'] == 0 && (! $expire)) {
 150                         // local followup to remote post
 151                         $followup = true;
 152                         $notify_hub = false; // not public
 153                         $conversant_str = dbesc($parent['contact-id']);
 154                 }
 155                 else {
 156                         $followup = false;
 157
 158                         if((strlen($parent['allow_cid']))
 159                                 || (strlen($parent['allow_gid']))
 160                                 || (strlen($parent['deny_cid']))
 161                                 || (strlen($parent['deny_gid']))) {
 162                                 $notify_hub = false; // private recipients, not public
 163                         }
 164
 165                         $allow_people = expand_acl($parent['allow_cid']);
 166                         $allow_groups = expand_groups(expand_acl($parent['allow_gid']));
 167                         $deny_people  = expand_acl($parent['deny_cid']);
 168                         $deny_groups  = expand_groups(expand_acl($parent['deny_gid']));
 169
 170                         $conversants = array();
 171
 172                         foreach($items as $item) {
 173                                 $recipients[] = $item['contact-id'];
 174                                 $conversants[] = $item['contact-id'];
 175                                 // pull out additional tagged people to notify (if public message)
 176                                 if($notify_hub && strlen($item['inform'])) {
 177                                         $people = explode(',',$item['inform']);
 178                                         foreach($people as $person) {
 179                                                 if(substr($person,0,4) === 'cid:') {
 180                                                         $recipients[] = intval(substr($person,4));
 181                                                         $conversants[] = intval(substr($person,4));
 182                                                 }
 183                                                 else {
 184                                                         $url_recipients[] = substr($person,4);
 185                                                 }
 186                                         }
 187                                 }
 188                         }
 189
 190                         logger('notifier: url_recipients' . print_r($url_recipients,true));
 191
 192                         $conversants = array_unique($conversants);
 193
 194
 195                         $recipients = array_unique(array_merge($recipients,$allow_people,$allow_groups));
 196                         $deny = array_unique(array_merge($deny_people,$deny_groups));
 197                         $recipients = array_diff($recipients,$deny);
 198
 199                         $conversant_str = dbesc(implode(', ',$conversants));
 200                 }
 201
 202                 $r = q("SELECT * FROM `contact` WHERE `id` IN ( $conversant_str ) AND `blocked` = 0 AND `pending` = 0");
 203
 204
 205                 if(count($r))
 206                         $contacts = $r;
 207         }
 208
 209         $feed_template = get_markup_template('atom_feed.tpl');
 210         $mail_template = get_markup_template('atom_mail.tpl');
 211
 212         $atom = '';
 213         $slaps = array();
 214
 215         $hubxml = feed_hublinks();
 216
 217         $birthday = feed_birthday($owner['uid'],$owner['timezone']);
 218
 219         if(strlen($birthday))
 220                 $birthday = '<dfrn:birthday>' . xmlify($birthday) . '</dfrn:birthday>';
 221
 222         $atom .= replace_macros($feed_template, array(
 223                         '$version'      => xmlify(FRIENDIKA_VERSION),
 224                         '$feed_id'      => xmlify($a->get_baseurl() . '/profile/' . $owner['nickname'] ),
 225                         '$feed_title'   => xmlify($owner['name']),
 226                         '$feed_updated' => xmlify(datetime_convert('UTC', 'UTC', $updated . '+00:00' , ATOM_TIME)) ,
 227                         '$hub'          => $hubxml,
 228                         '$salmon'       => '',  // private feed, we don't use salmon here
 229                         '$name'         => xmlify($owner['name']),
 230                         '$profile_page' => xmlify($owner['url']),
 231                         '$photo'        => xmlify($owner['photo']),
 232                         '$thumb'        => xmlify($owner['thumb']),
 233                         '$picdate'      => xmlify(datetime_convert('UTC','UTC',$owner['avatar-date'] . '+00:00' , ATOM_TIME)) ,
 234                         '$uridate'      => xmlify(datetime_convert('UTC','UTC',$owner['uri-date']    . '+00:00' , ATOM_TIME)) ,
 235                         '$namdate'      => xmlify(datetime_convert('UTC','UTC',$owner['name-date']   . '+00:00' , ATOM_TIME)) ,
 236                         '$birthday'     => $birthday
 237         ));
 238
 239         if($cmd === 'mail') {
 240                 $notify_hub = false;  // mail is  not public
 241
 242                 $body = fix_private_photos($item['body'],$owner['uid']);
 243
 244                 $atom .= replace_macros($mail_template, array(
 245                         '$name'         => xmlify($owner['name']),
 246                         '$profile_page' => xmlify($owner['url']),
 247                         '$thumb'        => xmlify($owner['thumb']),
 248                         '$item_id'      => xmlify($item['uri']),
 249                         '$subject'      => xmlify($item['title']),
 250                         '$created'      => xmlify(datetime_convert('UTC', 'UTC', $item['created'] . '+00:00' , ATOM_TIME)),
 251                         '$content'      => xmlify($body),
 252                         '$parent_id'    => xmlify($item['parent-uri'])
 253                 ));
 254         }
 255         elseif($cmd === 'suggest') {
 256                 $notify_hub = false;  // suggestions are not public
 257
 258                 $sugg_template = get_markup_template('atom_suggest.tpl');
 259
 260                 $atom .= replace_macros($sugg_template, array(
 261                         '$name'         => xmlify($item['name']),
 262                         '$url'          => xmlify($item['url']),
 263                         '$photo'        => xmlify($item['photo']),
 264                         '$request'      => xmlify($item['request']),
 265                         '$note'         => xmlify($item['note'])
 266                 ));
 267
 268                 // We don't need this any more
 269
 270                 q("DELETE FROM `fsuggest` WHERE `id` = %d LIMIT 1",
 271                         intval($item['id'])
 272                 );
 273
 274         }
 275         else {
 276                 if($followup) {
 277                         foreach($items as $item) {  // there is only one item
 278                                 if(! $item['parent'])
 279                                         continue;
 280                                 if($item['id'] == $item_id) {
 281                                         logger('notifier: followup: item: ' . print_r($item,true), LOGGER_DATA);
 282                                         $slap  = atom_entry($item,'html',$owner,$owner,false);
 283                                         $atom .= atom_entry($item,'text',$owner,$owner,false);
 284                                 }
 285                         }
 286                 }
 287                 else {
 288                         foreach($items as $item) {
 289
 290                                 if(! $item['parent'])
 291                                         continue;
 292
 293                                 // private emails may be in included in public conversations. Filter them.
 294
 295                                 if(($notify_hub) && $item['private'])
 296                                         continue;
 297
 298                                 $contact = get_item_contact($item,$contacts);
 299                                 if(! $contact)
 300                                         continue;
 301
 302                                 $atom .= atom_entry($item,'text',$contact,$owner,true);
 303
 304                                 if(($top_level) && ($notify_hub) && ($item['author-link'] === $item['owner-link']) && (! $expire))
 305                                         $slaps[] = atom_entry($item,'html',$contact,$owner,true);
 306                         }
 307                 }
 308         }
 309         $atom .= '</feed>' . "\r\n";
 310
 311         logger('notifier: ' . $atom, LOGGER_DATA);
 312
 313         logger('notifier: slaps: ' . print_r($slaps,true), LOGGER_DATA);
 314
 315         // If this is a public message and pubmail is set on the parent, include all your email contacts
 316
 317         $mail_disabled = ((function_exists('imap_open') && (! get_config('system','imap_disabled'))) ? 0 : 1);
 318
 319         if(! $mail_disabled) {
 320                 if((! strlen($parent_item['allow_cid'])) && (! strlen($parent_item['allow_gid']))
 321                         && (! strlen($parent_item['deny_cid'])) && (! strlen($parent_item['deny_gid']))
 322                         && (intval($parent_item['pubmail']))) {
 323                         $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `network` = '%s'",
 324                                 intval($uid),
 325                                 dbesc(NETWORK_MAIL)
 326                         );
 327                         if(count($r)) {
 328                                 foreach($r as $rr)
 329                                         $recipients[] = $rr['id'];
 330                         }
 331                 }
 332         }
 333
 334         if($followup)
 335                 $recip_str = $parent['contact-id'];
 336         else
 337                 $recip_str = implode(', ', $recipients);
 338
 339         $r = q("SELECT * FROM `contact` WHERE `id` IN ( %s ) AND `blocked` = 0 AND `pending` = 0 ",
 340                 dbesc($recip_str)
 341         );
 342
 343         // delivery loop
 344
 345         require_once('include/salmon.php');
 346
 347         if(count($r)) {
 348                 foreach($r as $contact) {
 349                         if($contact['self'])
 350                                 continue;
 351
 352                         $deliver_status = 0;
 353
 354                         switch($contact['network']) {
 355                                 case NETWORK_DFRN:
 356                                         logger('notifier: dfrndelivery: ' . $contact['name']);
 357                                         $deliver_status = dfrn_deliver($owner,$contact,$atom);
 358
 359                                         logger('notifier: dfrn_delivery returns ' . $deliver_status);
 360
 361                                         if($deliver_status == (-1)) {
 362                                                 logger('notifier: delivery failed: queuing message');
 363                                                 // queue message for redelivery
 364                                                 q("INSERT INTO `queue` ( `cid`, `created`, `last`, `content`)
 365                                                         VALUES ( %d, '%s', '%s', '%s') ",
 366                                                         intval($contact['id']),
 367                                                         dbesc(datetime_convert()),
 368                                                         dbesc(datetime_convert()),
 369                                                         dbesc($atom)
 370                                                 );
 371                                         }
 372                                         break;
 373                                 case NETWORK_OSTATUS:
 374
 375                                         // Do not send to otatus if we are not configured to send to public networks
 376                                         if($owner['prvnets'])
 377                                                 break;
 378                                         if(get_config('system','ostatus_disabled') || get_config('system','dfrn_only'))
 379                                                 break;
 380
 381                                         if($followup && $contact['notify']) {
 382                                                 logger('notifier: slapdelivery: ' . $contact['name']);
 383                                                 $deliver_status = slapper($owner,$contact['notify'],$slap);
 384
 385                                                 if($deliver_status == (-1)) {
 386                                                         // queue message for redelivery
 387                                                         q("INSERT INTO `queue` ( `cid`, `created`, `last`, `content`)
 388                                                                 VALUES ( %d, '%s', '%s', '%s') ",
 389                                                                 intval($contact['id']),
 390                                                                 dbesc(datetime_convert()),
 391                                                                 dbesc(datetime_convert()),
 392                                                                 dbesc($slap)
 393                                                         );
 394
 395                                                 }
 396                                         }
 397                                         else {
 398
 399                                                 // only send salmon if public - e.g. if it's ok to notify
 400                                                 // a public hub, it's ok to send a salmon
 401
 402                                                 if((count($slaps)) && ($notify_hub) && (! $expire)) {
 403                                                         logger('notifier: slapdelivery: ' . $contact['name']);
 404                                                         foreach($slaps as $slappy) {
 405                                                                 if($contact['notify']) {
 406                                                                         $deliver_status = slapper($owner,$contact['notify'],$slappy);
 407                                                                         if($deliver_status == (-1)) {
 408                                                                                 // queue message for redelivery
 409                                                                                 q("INSERT INTO `queue` ( `cid`, `created`, `last`, `content`)
 410                                                                                         VALUES ( %d, '%s', '%s', '%s') ",
 411                                                                                         intval($contact['id']),
 412                                                                                         dbesc(datetime_convert()),
 413                                                                                         dbesc(datetime_convert()),
 414                                                                                         dbesc($slappy)
 415                                                                                 );
 416                                                                         }
 417                                                                 }
 418                                                         }
 419                                                 }
 420                                         }
 421                                         break;
 422
 423                                 case NETWORK_MAIL:
 424
 425                                         if(get_config('system','dfrn_only'))
 426                                                 break;
 427
 428                                         // WARNING: does not currently convert to RFC2047 header encodings, etc.
 429
 430                                         $addr = $contact['addr'];
 431                                         if(! strlen($addr))
 432                                                 break;
 433
 434                                         if($cmd === 'wall-new' || $cmd === 'comment-new') {
 435
 436                                                 $it = null;
 437                                                 if($cmd === 'wall-new')
 438                                                         $it = $items[0];
 439                                                 else {
 440                                                         $r = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 441                                                                 intval($argv[2]),
 442                                                                 intval($uid)
 443                                                         );
 444                                                         if(count($r))
 445                                                                 $it = $r[0];
 446                                                 }
 447                                                 if(! $it)
 448                                                         break;
 449
 450
 451
 452                                                 $local_user = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
 453                                                         intval($uid)
 454                                                 );
 455                                                 if(! count($local_user))
 456                                                         break;
 457
 458                                                 $reply_to = '';
 459                                                 $r1 = q("SELECT * FROM `mailacct` WHERE `uid` = %d LIMIT 1",
 460                                                         intval($uid)
 461                                                 );
 462                                                 if($r1 && $r1[0]['reply_to'])
 463                                                         $reply_to = $r1[0]['reply_to'];
 464
 465                                                 $subject  = (($it['title']) ? $it['title'] : t("\x28no subject\x29")) ;
 466                                                 $headers  = 'From: ' . $local_user[0]['username'] . ' <' . $local_user[0]['email'] . '>' . "\n";
 467
 468                                                 if($reply_to)
 469                                                         $headers .= 'Reply-to: ' . $reply_to . "\n";
 470
 471                                                 $headers .= 'Message-id: <' . $it['uri'] . '>' . "\n";
 472
 473                                                 if($it['uri'] !== $it['parent-uri']) {
 474                                                         $header .= 'References: <' . $it['parent-uri'] . '>' . "\n";
 475                                                         if(! strlen($it['title'])) {
 476                                                                 $r = q("SELECT `title` FROM `item` WHERE `parent-uri` = '%s' LIMIT 1",
 477                                                                         dbesc($it['parent-uri'])
 478                                                                 );
 479                                                                 if(count($r)) {
 480                                                                         $subtitle = $r[0]['title'];
 481                                                                         if($subtitle) {
 482                                                                                 if(strncasecmp($subtitle,'RE:',3))
 483                                                                                         $subject = $subtitle;
 484                                                                                 else
 485                                                                                         $subject = 'Re: ' . $subtitle;
 486                                                                         }
 487                                                                 }
 488                                                         }
 489                                                 }
 490
 491                                                 $headers .= 'MIME-Version: 1.0' . "\n";
 492                                                 $headers .= 'Content-Type: text/html; charset=UTF-8' . "\n";
 493                                                 $headers .= 'Content-Transfer-Encoding: 8bit' . "\n\n";
 494                                                 $html    = prepare_body($it);
 495                                                 $message = '<html><body>' . $html . '</body></html>';
 496                                                 logger('notifier: email delivery to ' . $addr);
 497                                                 mail($addr, $subject, $message, $headers);
 498                                         }
 499                                         break;
 500                                 case NETWORK_DIASPORA:
 501                                         if(get_config('system','dfrn_only') || (! get_config('diaspora_enabled')))
 502                                                 break;
 503                                         if($top_level) {
 504                                                 diaspora_send_status($parent_item,$owner,$contact);
 505                                                 break;
 506                                         }
 507
 508                                         break;
 509
 510                                 case NETWORK_FEED:
 511                                 case NETWORK_FACEBOOK:
 512                                         if(get_config('system','dfrn_only'))
 513                                                 break;
 514                                 default:
 515                                         break;
 516                         }
 517                 }
 518         }
 519
 520         // send additional slaps to mentioned remote tags (@foo@example.com)
 521
 522         if($slap && count($url_recipients) && ($followup || $top_level) && $notify_hub && (! $expire)) {
 523                 if(! get_config('system','dfrn_only')) {
 524                         foreach($url_recipients as $url) {
 525                                 if($url) {
 526                                         logger('notifier: urldelivery: ' . $url);
 527                                         $deliver_status = slapper($owner,$url,$slap);
 528                                         // TODO: redeliver/queue these items on failure, though there is no contact record
 529                                 }
 530                         }
 531                 }
 532         }
 533
 534         if((strlen($hub)) && ($notify_hub)) {
 535                 $hubs = explode(',', $hub);
 536                 if(count($hubs)) {
 537                         foreach($hubs as $h) {
 538                                 $h = trim($h);
 539                                 if(! strlen($h))
 540                                         continue;
 541                                 $params = 'hub.mode=publish&hub.url=' . urlencode($a->get_baseurl() . '/dfrn_poll/' . $owner['nickname'] );
 542                                 post_url($h,$params);
 543                                 logger('pubsub: publish: ' . $h . ' ' . $params . ' returned ' . $a->get_curl_code());
 544                                 if(count($hubs) > 1)
 545                                         sleep(7);                               // try and avoid multiple hubs responding at precisely the same time
 546                         }
 547                 }
 548         }
 549
 550         if($notify_hub) {
 551
 552                 /**
 553                  *
 554                  * If you have less than 150 dfrn friends and it's a public message,
 555                  * we'll just go ahead and push them out securely with dfrn/rino.
 556                  * If you've got more than that, you'll have to rely on PuSH delivery.
 557                  *
 558                  */
 559
 560                 $max_allowed = ((get_config('system','maxpubdeliver') === false) ? 150 : intval(get_config('system','maxpubdeliver')));
 561
 562                 /**
 563                  *
 564                  * Only get the bare essentials and go back for the full record.
 565                  * If you've got a lot of friends and we grab all the details at once it could exhaust memory.
 566                  *
 567                  */
 568
 569                 $r = q("SELECT `id`, `name` FROM `contact`
 570                         WHERE `network` = 'dfrn' AND `uid` = %d AND `blocked` = 0 AND `pending` = 0
 571                         AND `rel` != %d ",
 572                         intval($owner['uid']),
 573                         intval(CONTACT_IS_SHARING)
 574                 );
 575
 576                 if((count($r)) && (($max_allowed == 0) || (count($r) < $max_allowed))) {
 577
 578                         logger('pubdeliver: ' . print_r($r,true));
 579
 580                         foreach($r as $rr) {
 581
 582                                 /* Don't deliver to folks who have already been delivered to */
 583
 584                                 if(! in_array($rr['id'], $conversants)) {
 585                                         $n = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
 586                                                         intval($rr['id'])
 587                                         );
 588
 589                                         if(count($n)) {
 590
 591                                                 logger('notifier: dfrnpubdelivery: ' . $n[0]['name']);
 592                                                 $deliver_status = dfrn_deliver($owner,$n[0],$atom);
 593                                         }
 594                                 }
 595                                 else
 596                                         logger('notifier: dfrnpubdelivery: ignoring ' . $rr['name']);
 597                         }
 598                 }
 599         }
 600
 601         return;
 602 }
 603
 604 if (array_search(__file__,get_included_files())===0){
 605   notifier_run($argv,$argc);
 606   killme();
 607 }