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