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