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