include/delivery.php

   1 <?php
   2 require_once("boot.php");
   3 require_once('include/queue_fn.php');
   4
   5 function delivery_run($argv, $argc){
   6         global $a, $db;
   7
   8         if(is_null($a)){
   9                 $a = new App;
  10         }
  11
  12         if(is_null($db)) {
  13                 @include(".htconfig.php");
  14                 require_once("dba.php");
  15                 $db = new dba($db_host, $db_user, $db_pass, $db_data);
  16                         unset($db_host, $db_user, $db_pass, $db_data);
  17         }
  18
  19         require_once("session.php");
  20         require_once("datetime.php");
  21         require_once('include/items.php');
  22         require_once('include/bbcode.php');
  23         require_once('include/diaspora.php');
  24
  25         load_config('config');
  26         load_config('system');
  27
  28         load_hooks();
  29
  30         if($argc < 3)
  31                 return;
  32
  33         $a->set_baseurl(get_config('system','url'));
  34
  35         logger('delivery: invoked: ' . print_r($argv,true), LOGGER_DEBUG);
  36
  37         $cmd        = $argv[1];
  38         $item_id    = intval($argv[2]);
  39         $contact_id = intval($argv[3]);
  40
  41         // Some other process may have delivered this item already.
  42
  43         $r = q("select * from deliverq where cmd = '%s' and item = %d and contact = %d limit 1",
  44                 dbesc($cmd),
  45                 dbesc($item_id),
  46                 dbesc($contact_id)
  47         );
  48         if(! count($r)) {
  49                 return;
  50         }
  51
  52         // It's ours to deliver. Remove it from the queue.
  53
  54         q("delete from deliverq where cmd = '%s' and item = %d and contact = %d limit 1",
  55                 dbesc($cmd),
  56                 dbesc($item_id),
  57                 dbesc($contact_id)
  58         );
  59
  60         if((! $item_id) || (! $contact_id))
  61                 return;
  62
  63         $expire = false;
  64         $top_level = false;
  65         $recipients = array();
  66         $url_recipients = array();
  67
  68         $normal_mode = true;
  69
  70         $recipients[] = $contact_id;
  71
  72         if($cmd === 'expire') {
  73                 $normal_mode = false;
  74                 $expire = true;
  75                 $items = q("SELECT * FROM `item` WHERE `uid` = %d AND `wall` = 1
  76                         AND `deleted` = 1 AND `changed` > UTC_TIMESTAMP() - INTERVAL 30 MINUTE",
  77                         intval($item_id)
  78                 );
  79                 $uid = $item_id;
  80                 $item_id = 0;
  81                 if(! count($items))
  82                         return;
  83         }
  84         else {
  85
  86                 // find ancestors
  87                 $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
  88                         intval($item_id)
  89                 );
  90
  91                 if((! count($r)) || (! intval($r[0]['parent']))) {
  92                         return;
  93                 }
  94
  95                 $target_item = $r[0];
  96                 $parent_id = intval($r[0]['parent']);
  97                 $uid = $r[0]['uid'];
  98                 $updated = $r[0]['edited'];
  99
 100                 if(! $parent_id)
 101                         return;
 102
 103
 104                 $items = q("SELECT `item`.*, `sign`.`signed_text`,`sign`.`signature`,`sign`.`signer`
 105                         FROM `item` LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id` WHERE `parent` = %d ORDER BY `id` ASC",
 106                         intval($parent_id)
 107                 );
 108
 109                 if(! count($items)) {
 110                         return;
 111                 }
 112
 113                 $icontacts = null;
 114                 $contacts_arr = array();
 115                 foreach($items as $item)
 116                         if(! in_array($item['contact-id'],$contacts_arr))
 117                                 $contacts_arr[] = intval($item['contact-id']);
 118                 if(count($contacts_arr)) {
 119                         $str_contacts = implode(',',$contacts_arr);
 120                         $icontacts = q("SELECT * FROM `contact`
 121                                 WHERE `id` IN ( $str_contacts ) "
 122                         );
 123                 }
 124                 if( ! ($icontacts && count($icontacts)))
 125                         return;
 126
 127                 // avoid race condition with deleting entries
 128
 129                 if($items[0]['deleted']) {
 130                         foreach($items as $item)
 131                                 $item['deleted'] = 1;
 132                 }
 133
 134                 if((count($items) == 1) && ($items[0]['uri'] === $items[0]['parent-uri'])) {
 135                         logger('delivery: top level post');
 136                         $top_level = true;
 137                 }
 138         }
 139
 140         $r = q("SELECT `contact`.*, `user`.`pubkey` AS `upubkey`, `user`.`prvkey` AS `uprvkey`,
 141                 `user`.`timezone`, `user`.`nickname`, `user`.`sprvkey`, `user`.`spubkey`,
 142                 `user`.`page-flags`, `user`.`prvnets`
 143                 FROM `contact` LEFT JOIN `user` ON `user`.`uid` = `contact`.`uid`
 144                 WHERE `contact`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
 145                 intval($uid)
 146         );
 147
 148         if(! count($r))
 149                 return;
 150
 151         $owner = $r[0];
 152
 153         $walltowall = ((($top_level) && ($owner['id'] != $items[0]['contact-id'])) ? true : false);
 154
 155         $public_message = true;
 156
 157         // fill this in with a single salmon slap if applicable
 158
 159         $slap = '';
 160
 161         require_once('include/group.php');
 162
 163         $parent = $items[0];
 164
 165                 // This is IMPORTANT!!!!
 166
 167                 // We will only send a "notify owner to relay" or followup message if the referenced post
 168                 // originated on our system by virtue of having our hostname somewhere
 169                 // in the URI, AND it was a comment (not top_level) AND the parent originated elsewhere.
 170                 // if $parent['wall'] == 1 we will already have the parent message in our array
 171                 // and we will relay the whole lot.
 172
 173                 // expire sends an entire group of expire messages and cannot be forwarded.
 174                 // However the conversation owner will be a part of the conversation and will
 175                 // be notified during this run.
 176                 // Other DFRN conversation members will be alerted during polled updates.
 177
 178                 // Diaspora members currently are not notified of expirations, and other networks have
 179                 // either limited or no ability to process deletions. We should at least fix Diaspora
 180                 // by stringing togther an array of retractions and sending them onward.
 181
 182
 183         $localhost = $a->get_hostname();
 184         if(strpos($localhost,':'))
 185                 $localhost = substr($localhost,0,strpos($localhost,':'));
 186
 187                 /**
 188                  *
 189                  * Be VERY CAREFUL if you make any changes to the following line. Seemingly innocuous changes
 190                  * have been known to cause runaway conditions which affected several servers, along with
 191                  * permissions issues.
 192                  *
 193                  */
 194
 195         if((! $top_level) && ($parent['wall'] == 0) && (! $expire) && (stristr($target_item['uri'],$localhost))) {
 196                 logger('relay denied for delivery agent.');
 197
 198                 /* no relay allowed for direct contact delivery */
 199                 return;
 200         }
 201
 202         if((strlen($parent['allow_cid']))
 203                 || (strlen($parent['allow_gid']))
 204                 || (strlen($parent['deny_cid']))
 205                 || (strlen($parent['deny_gid']))) {
 206                 $public_message = false; // private recipients, not public
 207         }
 208
 209         $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `blocked` = 0 AND `pending` = 0",
 210                 intval($contact_id)
 211         );
 212
 213         if(count($r))
 214                 $contact = $r[0];
 215
 216         $hubxml = feed_hublinks();
 217
 218         logger('notifier: slaps: ' . print_r($slaps,true), LOGGER_DATA);
 219
 220         require_once('include/salmon.php');
 221
 222         if($contact['self'])
 223                 return;
 224
 225         $deliver_status = 0;
 226
 227         switch($contact['network']) {
 228
 229                 case NETWORK_DFRN :
 230                         logger('notifier: dfrndelivery: ' . $contact['name']);
 231
 232                         $feed_template = get_markup_template('atom_feed.tpl');
 233                         $mail_template = get_markup_template('atom_mail.tpl');
 234
 235                         $atom = '';
 236
 237
 238                         $birthday = feed_birthday($owner['uid'],$owner['timezone']);
 239
 240                         if(strlen($birthday))
 241                                 $birthday = '<dfrn:birthday>' . xmlify($birthday) . '</dfrn:birthday>';
 242
 243                         $atom .= replace_macros($feed_template, array(
 244                                         '$version'      => xmlify(FRIENDICA_VERSION),
 245                                         '$feed_id'      => xmlify($a->get_baseurl() . '/profile/' . $owner['nickname'] ),
 246                                         '$feed_title'   => xmlify($owner['name']),
 247                                         '$feed_updated' => xmlify(datetime_convert('UTC', 'UTC', $updated . '+00:00' , ATOM_TIME)) ,
 248                                         '$hub'          => $hubxml,
 249                                         '$salmon'       => '',  // private feed, we don't use salmon here
 250                                         '$name'         => xmlify($owner['name']),
 251                                         '$profile_page' => xmlify($owner['url']),
 252                                         '$photo'        => xmlify($owner['photo']),
 253                                         '$thumb'        => xmlify($owner['thumb']),
 254                                         '$picdate'      => xmlify(datetime_convert('UTC','UTC',$owner['avatar-date'] . '+00:00' , ATOM_TIME)) ,
 255                                         '$uridate'      => xmlify(datetime_convert('UTC','UTC',$owner['uri-date']    . '+00:00' , ATOM_TIME)) ,
 256                                         '$namdate'      => xmlify(datetime_convert('UTC','UTC',$owner['name-date']   . '+00:00' , ATOM_TIME)) ,
 257                                         '$birthday'     => $birthday
 258                         ));
 259
 260                         foreach($items as $item) {
 261                                 if(! $item['parent'])
 262                                         continue;
 263
 264                                 // private emails may be in included in public conversations. Filter them.
 265                                 if(($public_message) && $item['private'])
 266                                         continue;
 267
 268                                 $item_contact = get_item_contact($item,$icontacts);
 269                                 if(! $item_contact)
 270                                         continue;
 271
 272                                 if($normal_mode) {
 273                                         if($item_id == $item['id'] || $item['id'] == $item['parent'])
 274                                                 $atom .= atom_entry($item,'text',$item_contact,$owner,true);
 275                                 }
 276                                 else
 277                                         $atom .= atom_entry($item,'text',$item_contact,$owner,true);
 278
 279                         }
 280
 281                         $atom .= '</feed>' . "\r\n";
 282
 283                         logger('notifier: ' . $atom, LOGGER_DATA);
 284                         $basepath =  implode('/', array_slice(explode('/',$contact['url']),0,3));
 285
 286                         // perform local delivery if we are on the same site
 287
 288                         if(link_compare($basepath,$a->get_baseurl())) {
 289
 290                                 $nickname = basename($contact['url']);
 291                                 if($contact['issued-id'])
 292                                         $sql_extra = sprintf(" AND `dfrn-id` = '%s' ", dbesc($contact['issued-id']));
 293                                 else
 294                                         $sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($contact['dfrn-id']));
 295
 296                                 $x = q("SELECT  `contact`.*, `contact`.`uid` AS `importer_uid`,
 297                                         `contact`.`pubkey` AS `cpubkey`,
 298                                         `contact`.`prvkey` AS `cprvkey`,
 299                                         `contact`.`thumb` AS `thumb`,
 300                                         `contact`.`url` as `url`,
 301                                         `contact`.`name` as `senderName`,
 302                                         `user`.*
 303                                         FROM `contact`
 304                                         LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
 305                                         WHERE `contact`.`blocked` = 0 AND `contact`.`pending` = 0
 306                                         AND `contact`.`network` = '%s' AND `user`.`nickname` = '%s'
 307                                         $sql_extra
 308                                         AND `user`.`account_expired` = 0 LIMIT 1",
 309                                         dbesc(NETWORK_DFRN),
 310                                         dbesc($nickname)
 311                                 );
 312
 313                                 if(count($x)) {
 314                                         require_once('library/simplepie/simplepie.inc');
 315                                         logger('mod-delivery: local delivery');
 316                                         local_delivery($x[0],$atom);
 317                                         break;
 318                                 }
 319                         }
 320
 321                         $deliver_status = dfrn_deliver($owner,$contact,$atom);
 322
 323                         logger('notifier: dfrn_delivery returns ' . $deliver_status);
 324
 325                         if($deliver_status == (-1)) {
 326                                 logger('notifier: delivery failed: queuing message');
 327                                 add_to_queue($contact['id'],NETWORK_DFRN,$atom);
 328                         }
 329                         break;
 330
 331                 case NETWORK_OSTATUS :
 332
 333                         // Do not send to otatus if we are not configured to send to public networks
 334                         if($owner['prvnets'])
 335                                 break;
 336                         if(get_config('system','ostatus_disabled') || get_config('system','dfrn_only'))
 337                                 break;
 338
 339                         // only send salmon if public - e.g. if it's ok to notify
 340                         // a public hub, it's ok to send a salmon
 341
 342                         if(($public_message) && (! $expire)) {
 343                                 $slaps = array();
 344
 345                                 foreach($items as $item) {
 346                                         if(! $item['parent'])
 347                                                 continue;
 348
 349                                         // private emails may be in included in public conversations. Filter them.
 350                                         if(($public_message) && $item['private'])
 351                                                 continue;
 352
 353                                         $item_contact = get_item_contact($item,$icontacts);
 354                                         if(! $item_contact)
 355                                                 continue;
 356
 357                                         if(($top_level) && ($public_message) && ($item['author-link'] === $item['owner-link']) && (! $expire))
 358                                                 $slaps[] = atom_entry($item,'html',$item_contact,$owner,true);
 359                                 }
 360
 361                                 logger('notifier: slapdelivery: ' . $contact['name']);
 362                                 foreach($slaps as $slappy) {
 363                                         if($contact['notify']) {
 364                                                 $deliver_status = slapper($owner,$contact['notify'],$slappy);
 365                                                 if($deliver_status == (-1)) {
 366                                                         // queue message for redelivery
 367                                                         add_to_queue($contact['id'],NETWORK_OSTATUS,$slappy);
 368                                                 }
 369                                         }
 370                                 }
 371                         }
 372
 373                         break;
 374
 375                 case NETWORK_MAIL :
 376
 377                         if(get_config('system','dfrn_only'))
 378                                 break;
 379                         // WARNING: does not currently convert to RFC2047 header encodings, etc.
 380
 381                         $addr = $contact['addr'];
 382                         if(! strlen($addr))
 383                                 break;
 384
 385                         if($cmd === 'wall-new' || $cmd === 'comment-new') {
 386
 387                                 $it = null;
 388                                 if($cmd === 'wall-new')
 389                                         $it = $items[0];
 390                                 else {
 391                                         $r = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 392                                                 intval($argv[2]),
 393                                                 intval($uid)
 394                                         );
 395                                         if(count($r))
 396                                                 $it = $r[0];
 397                                 }
 398                                 if(! $it)
 399                                         break;
 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'] . ' <' . $local_user[0]['email'] . '>' . "\n";
 417                                 if($reply_to)
 418                                         $headers .= 'Reply-to: ' . $reply_to . "\n";
 419                                 $headers .= 'Message-id: <' . $it['uri'] . '>' . "\n";
 420                                 if($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                                 $headers .= 'MIME-Version: 1.0' . "\n";
 438                                 $headers .= 'Content-Type: text/html; charset=UTF-8' . "\n";
 439                                 $headers .= 'Content-Transfer-Encoding: 8bit' . "\n\n";
 440                                 $html    = prepare_body($it);
 441                                 $message = '<html><body>' . $html . '</body></html>';
 442                                 logger('notifier: email delivery to ' . $addr);
 443                                 mail($addr, $subject, $message, $headers);
 444                         }
 445                         break;
 446
 447                 case NETWORK_DIASPORA :
 448                         if($public_message)
 449                                 $loc = 'public batch ' . $contact['batch'];
 450                         else
 451                                 $loc = $contact['name'];
 452
 453                         logger('delivery: diaspora batch deliver: ' . $loc);
 454
 455                         if(get_config('system','dfrn_only') || (! get_config('system','diaspora_enabled')) || (! $normal_mode))
 456                                 break;
 457
 458                         if((! $contact['pubkey']) && (! $public_message))
 459                                 break;
 460
 461                         if($target_item['verb'] === ACTIVITY_DISLIKE) {
 462                                 // unsupported
 463                                 break;
 464                         }
 465                         elseif(($target_item['deleted']) && ($target_item['verb'] !== ACTIVITY_LIKE)) {
 466                         logger('delivery: diaspora retract: ' . $loc);
 467                                 // diaspora delete,
 468                                 diaspora_send_retraction($target_item,$owner,$contact,$public_message);
 469                                 break;
 470                         }
 471                         elseif($target_item['parent'] != $target_item['id']) {
 472
 473                         logger('delivery: diaspora relay: ' . $loc);
 474
 475                                 // we are the relay - send comments, likes and unlikes to our conversants
 476                                 diaspora_send_relay($target_item,$owner,$contact,$public_message);
 477                                 break;
 478                         }
 479                         elseif(($top_level) && (! $walltowall)) {
 480                                 // currently no workable solution for sending walltowall
 481                                 logger('delivery: diaspora status: ' . $loc);
 482                                 diaspora_send_status($target_item,$owner,$contact,$public_message);
 483                                 break;
 484                         }
 485
 486                         logger('delivery: diaspora unknown mode: ' . $contact['name']);
 487
 488                         break;
 489
 490                 case NETWORK_FEED :
 491                 case NETWORK_FACEBOOK :
 492                         if(get_config('system','dfrn_only'))
 493                                 break;
 494                 default:
 495                         break;
 496         }
 497
 498         return;
 499 }
 500
 501 if (array_search(__file__,get_included_files())===0){
 502   delivery_run($argv,$argc);
 503   killme();
 504 }