include/delivery.php

   1 <?php
   2
   3 use \Friendica\Core\Config;
   4
   5 require_once('include/queue_fn.php');
   6 require_once('include/html2plain.php');
   7 require_once('include/Scrape.php');
   8 require_once('include/diaspora.php');
   9 require_once('include/ostatus.php');
  10 require_once('include/dfrn.php');
  11
  12 function delivery_run(&$argv, &$argc){
  13         global $a;
  14
  15         require_once('include/datetime.php');
  16         require_once('include/items.php');
  17         require_once('include/bbcode.php');
  18         require_once('include/email.php');
  19
  20         if ($argc < 3) {
  21                 return;
  22         }
  23
  24         logger('delivery: invoked: '. print_r($argv,true), LOGGER_DEBUG);
  25
  26         $cmd        = $argv[1];
  27         $item_id    = intval($argv[2]);
  28
  29         for ($x = 3; $x < $argc; $x ++) {
  30
  31                 $contact_id = intval($argv[$x]);
  32
  33                 if (!$item_id || !$contact_id) {
  34                         continue;
  35                 }
  36
  37                 $expire = false;
  38                 $mail = false;
  39                 $fsuggest = false;
  40                 $relocate = false;
  41                 $top_level = false;
  42                 $recipients = array();
  43                 $url_recipients = array();
  44                 $followup = false;
  45
  46                 $normal_mode = true;
  47
  48                 $recipients[] = $contact_id;
  49
  50                 if ($cmd === 'mail') {
  51                         $normal_mode = false;
  52                         $mail = true;
  53                         $message = q("SELECT * FROM `mail` WHERE `id` = %d LIMIT 1",
  54                                         intval($item_id)
  55                         );
  56                         if (!count($message)) {
  57                                 return;
  58                         }
  59                         $uid = $message[0]['uid'];
  60                         $recipients[] = $message[0]['contact-id'];
  61                         $item = $message[0];
  62                 } elseif ($cmd === 'expire') {
  63                         $normal_mode = false;
  64                         $expire = true;
  65                         $items = q("SELECT * FROM `item` WHERE `uid` = %d AND `wall` = 1
  66                                 AND `deleted` = 1 AND `changed` > UTC_TIMESTAMP() - INTERVAL 30 MINUTE",
  67                                 intval($item_id)
  68                         );
  69                         $uid = $item_id;
  70                         $item_id = 0;
  71                         if (!count($items)) {
  72                                 continue;
  73                         }
  74                 } elseif ($cmd === 'suggest') {
  75                         $normal_mode = false;
  76                         $fsuggest = true;
  77
  78                         $suggest = q("SELECT * FROM `fsuggest` WHERE `id` = %d LIMIT 1",
  79                                 intval($item_id)
  80                         );
  81                         if (!count($suggest)) {
  82                                 return;
  83                         }
  84                         $uid = $suggest[0]['uid'];
  85                         $recipients[] = $suggest[0]['cid'];
  86                         $item = $suggest[0];
  87                 } elseif ($cmd === 'relocate') {
  88                         $normal_mode = false;
  89                         $relocate = true;
  90                         $uid = $item_id;
  91                 } else {
  92                         // find ancestors
  93                         $r = q("SELECT * FROM `item` WHERE `id` = %d and visible = 1 and moderated = 0 LIMIT 1",
  94                                 intval($item_id)
  95                         );
  96
  97                         if ((!dbm::is_result($r)) || (!intval($r[0]['parent']))) {
  98                                 continue;
  99                         }
 100
 101                         $target_item = $r[0];
 102                         $parent_id = intval($r[0]['parent']);
 103                         $uid = $r[0]['uid'];
 104                         $updated = $r[0]['edited'];
 105
 106                         $items = q("SELECT `item`.*, `sign`.`signed_text`,`sign`.`signature`,`sign`.`signer`
 107                                 FROM `item` LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id` WHERE `parent` = %d and visible = 1 and moderated = 0 ORDER BY `id` ASC",
 108                                 intval($parent_id)
 109                         );
 110
 111                         if (!count($items)) {
 112                                 continue;
 113                         }
 114
 115                         $icontacts = null;
 116                         $contacts_arr = array();
 117                         foreach ($items as $item) {
 118                                 if (!in_array($item['contact-id'],$contacts_arr)) {
 119                                         $contacts_arr[] = intval($item['contact-id']);
 120                                 }
 121                         }
 122                         if (count($contacts_arr)) {
 123                                 $str_contacts = implode(',',$contacts_arr);
 124                                 $icontacts = q("SELECT * FROM `contact`
 125                                         WHERE `id` IN ( $str_contacts ) "
 126                                 );
 127                         }
 128                         if ( !($icontacts && count($icontacts))) {
 129                                 continue;
 130                         }
 131
 132                         // avoid race condition with deleting entries
 133
 134                         if ($items[0]['deleted']) {
 135                                 foreach ($items as $item) {
 136                                         $item['deleted'] = 1;
 137                                 }
 138                         }
 139
 140                         // When commenting too fast after delivery, a post wasn't recognized as top level post.
 141                         // The count then showed more than one entry. The additional check should help.
 142                         // The check for the "count" should be superfluous, but I'm not totally sure by now, so we keep it.
 143                         if ((($items[0]['id'] == $item_id) || (count($items) == 1)) && ($items[0]['uri'] === $items[0]['parent-uri'])) {
 144                                 logger('delivery: top level post');
 145                                 $top_level = true;
 146                         }
 147                 }
 148
 149                 $r = q("SELECT `contact`.*, `user`.`pubkey` AS `upubkey`, `user`.`prvkey` AS `uprvkey`,
 150                         `user`.`timezone`, `user`.`nickname`, `user`.`sprvkey`, `user`.`spubkey`,
 151                         `user`.`page-flags`, `user`.`account-type`, `user`.`prvnets`
 152                         FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
 153                         WHERE `contact`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
 154                         intval($uid)
 155                 );
 156
 157                 if (!dbm::is_result($r)) {
 158                         continue;
 159                 }
 160
 161                 $owner = $r[0];
 162
 163                 $walltowall = ((($top_level) && ($owner['id'] != $items[0]['contact-id'])) ? true : false);
 164
 165                 $public_message = true;
 166
 167                 if (!($mail || $fsuggest || $relocate)) {
 168                         require_once('include/group.php');
 169
 170                         $parent = $items[0];
 171
 172                         // This is IMPORTANT!!!!
 173
 174                         // We will only send a "notify owner to relay" or followup message if the referenced post
 175                         // originated on our system by virtue of having our hostname somewhere
 176                         // in the URI, AND it was a comment (not top_level) AND the parent originated elsewhere.
 177                         // if $parent['wall'] == 1 we will already have the parent message in our array
 178                         // and we will relay the whole lot.
 179
 180                         // expire sends an entire group of expire messages and cannot be forwarded.
 181                         // However the conversation owner will be a part of the conversation and will
 182                         // be notified during this run.
 183                         // Other DFRN conversation members will be alerted during polled updates.
 184
 185                         // Diaspora members currently are not notified of expirations, and other networks have
 186                         // either limited or no ability to process deletions. We should at least fix Diaspora
 187                         // by stringing togther an array of retractions and sending them onward.
 188
 189
 190                         $localhost = $a->get_hostname();
 191                         if (strpos($localhost,':')) {
 192                                 $localhost = substr($localhost,0,strpos($localhost,':'));
 193                         }
 194                         /**
 195                          *
 196                          * Be VERY CAREFUL if you make any changes to the following line. Seemingly innocuous changes
 197                          * have been known to cause runaway conditions which affected several servers, along with
 198                          * permissions issues.
 199                          *
 200                          */
 201
 202                         $relay_to_owner = false;
 203
 204                         if (!$top_level && ($parent['wall'] == 0) && !$expire && stristr($target_item['uri'],$localhost)) {
 205                                 $relay_to_owner = true;
 206                         }
 207
 208                         if ($relay_to_owner) {
 209                                 logger('followup '.$target_item["guid"], LOGGER_DEBUG);
 210                                 // local followup to remote post
 211                                 $followup = true;
 212                         }
 213
 214                         if ((strlen($parent['allow_cid']))
 215                                 || (strlen($parent['allow_gid']))
 216                                 || (strlen($parent['deny_cid']))
 217                                 || (strlen($parent['deny_gid']))
 218                                 || $parent["private"]) {
 219                                 $public_message = false; // private recipients, not public
 220                         }
 221
 222                 }
 223
 224                 $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `blocked` = 0 AND `pending` = 0",
 225                         intval($contact_id)
 226                 );
 227
 228                 if (dbm::is_result($r)) {
 229                         $contact = $r[0];
 230                 }
 231                 if ($contact['self']) {
 232                         continue;
 233                 }
 234                 $deliver_status = 0;
 235
 236                 logger("main delivery by delivery: followup=$followup mail=$mail fsuggest=$fsuggest relocate=$relocate - network ".$contact['network']);
 237
 238                 switch($contact['network']) {
 239
 240                         case NETWORK_DFRN:
 241                                 logger('notifier: '.$target_item["guid"].' dfrndelivery: '.$contact['name']);
 242
 243                                 if ($mail) {
 244                                         $item['body'] = fix_private_photos($item['body'],$owner['uid'],null,$message[0]['contact-id']);
 245                                         $atom = dfrn::mail($item, $owner);
 246                                 } elseif ($fsuggest) {
 247                                         $atom = dfrn::fsuggest($item, $owner);
 248                                         q("DELETE FROM `fsuggest` WHERE `id` = %d LIMIT 1", intval($item['id']));
 249                                 } elseif ($relocate) {
 250                                         $atom = dfrn::relocate($owner, $uid);
 251                                 } elseif ($followup) {
 252                                         $msgitems = array();
 253                                         foreach ($items as $item) {  // there is only one item
 254                                                 if (!$item['parent']) {
 255                                                         continue;
 256                                                 }
 257                                                 if ($item['id'] == $item_id) {
 258                                                         logger('followup: item: '. print_r($item,true), LOGGER_DATA);
 259                                                         $msgitems[] = $item;
 260                                                 }
 261                                         }
 262                                         $atom = dfrn::entries($msgitems,$owner);
 263                                 } else {
 264                                         $msgitems = array();
 265                                         foreach ($items as $item) {
 266                                                 if (!$item['parent']) {
 267                                                         continue;
 268                                                 }
 269
 270                                                 // private emails may be in included in public conversations. Filter them.
 271                                                 if ($public_message && $item['private']) {
 272                                                         continue;
 273                                                 }
 274
 275                                                 $item_contact = get_item_contact($item,$icontacts);
 276                                                 if (!$item_contact) {
 277                                                         continue;
 278                                                 }
 279
 280                                                 if ($normal_mode) {
 281                                                         if ($item_id == $item['id'] || $item['id'] == $item['parent']) {
 282                                                                 $item["entry:comment-allow"] = true;
 283                                                                 $item["entry:cid"] = (($top_level) ? $contact['id'] : 0);
 284                                                                 $msgitems[] = $item;
 285                                                         }
 286                                                 } else {
 287                                                         $item["entry:comment-allow"] = true;
 288                                                         $msgitems[] = $item;
 289                                                 }
 290                                         }
 291                                         $atom = dfrn::entries($msgitems,$owner);
 292                                 }
 293
 294                                 logger('notifier entry: '.$contact["url"].' '.$target_item["guid"].' entry: '.$atom, LOGGER_DEBUG);
 295
 296                                 logger('notifier: '.$atom, LOGGER_DATA);
 297                                 $basepath =  implode('/', array_slice(explode('/',$contact['url']),0,3));
 298
 299                                 // perform local delivery if we are on the same site
 300
 301                                 if (link_compare($basepath,App::get_baseurl())) {
 302
 303                                         $nickname = basename($contact['url']);
 304                                         if ($contact['issued-id']) {
 305                                                 $sql_extra = sprintf(" AND `dfrn-id` = '%s' ", dbesc($contact['issued-id']));
 306                                         } else {
 307                                                 $sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($contact['dfrn-id']));
 308                                         }
 309
 310                                         $x = q("SELECT  `contact`.*, `contact`.`uid` AS `importer_uid`,
 311                                                 `contact`.`pubkey` AS `cpubkey`,
 312                                                 `contact`.`prvkey` AS `cprvkey`,
 313                                                 `contact`.`thumb` AS `thumb`,
 314                                                 `contact`.`url` as `url`,
 315                                                 `contact`.`name` as `senderName`,
 316                                                 `user`.*
 317                                                 FROM `contact`
 318                                                 INNER JOIN `user` ON `contact`.`uid` = `user`.`uid`
 319                                                 WHERE `contact`.`blocked` = 0 AND `contact`.`pending` = 0
 320                                                 AND `contact`.`network` = '%s' AND `user`.`nickname` = '%s'
 321                                                 $sql_extra
 322                                                 AND `user`.`account_expired` = 0 AND `user`.`account_removed` = 0 LIMIT 1",
 323                                                 dbesc(NETWORK_DFRN),
 324                                                 dbesc($nickname)
 325                                         );
 326
 327                                         if ($x && count($x)) {
 328                                                 $write_flag = ((($x[0]['rel']) && ($x[0]['rel'] != CONTACT_IS_SHARING)) ? true : false);
 329                                                 if ((($owner['page-flags'] == PAGE_COMMUNITY) || $write_flag) && !$x[0]['writable']) {
 330                                                         q("UPDATE `contact` SET `writable` = 1 WHERE `id` = %d",
 331                                                                 intval($x[0]['id'])
 332                                                         );
 333                                                         $x[0]['writable'] = 1;
 334                                                 }
 335
 336                                                 $ssl_policy = get_config('system','ssl_policy');
 337                                                 fix_contact_ssl_policy($x[0],$ssl_policy);
 338
 339                                                 // If we are setup as a soapbox we aren't accepting top level posts from this person
 340
 341                                                 if (($x[0]['page-flags'] == PAGE_SOAPBOX) AND $top_level) {
 342                                                         break;
 343                                                 }
 344                                                 logger('mod-delivery: local delivery');
 345                                                 dfrn::import($atom, $x[0]);
 346                                                 break;
 347                                         }
 348                                 }
 349
 350                                 if (!was_recently_delayed($contact['id'])) {
 351                                         $deliver_status = dfrn::deliver($owner,$contact,$atom);
 352                                 } else {
 353                                         $deliver_status = (-1);
 354                                 }
 355
 356                                 logger('notifier: dfrn_delivery to '.$contact["url"].' with guid '.$target_item["guid"].' returns '.$deliver_status);
 357
 358                                 if ($deliver_status < 0) {
 359                                         logger('notifier: delivery failed: queuing message');
 360                                         add_to_queue($contact['id'],NETWORK_DFRN,$atom);
 361
 362                                         // The message could not be delivered. We mark the contact as "dead"
 363                                         mark_for_death($contact);
 364                                 } else {
 365                                         // We successfully delivered a message, the contact is alive
 366                                         unmark_for_death($contact);
 367                                 }
 368
 369                                 break;
 370
 371                         case NETWORK_OSTATUS:
 372                                 // Do not send to otatus if we are not configured to send to public networks
 373                                 if ($owner['prvnets']) {
 374                                         break;
 375                                 }
 376                                 if (get_config('system','ostatus_disabled') || get_config('system','dfrn_only')) {
 377                                         break;
 378                                 }
 379
 380                                 // There is currently no code here to distribute anything to OStatus.
 381                                 // This is done in "notifier.php" (See "url_recipients" and "push_notify")
 382                                 break;
 383
 384                         case NETWORK_MAIL:
 385                         case NETWORK_MAIL2:
 386
 387                                 if (get_config('system','dfrn_only')) {
 388                                         break;
 389                                 }
 390                                 // WARNING: does not currently convert to RFC2047 header encodings, etc.
 391
 392                                 $addr = $contact['addr'];
 393                                 if (!strlen($addr)) {
 394                                         break;
 395                                 }
 396
 397                                 if ($cmd === 'wall-new' || $cmd === 'comment-new') {
 398
 399                                         $it = null;
 400                                         if ($cmd === 'wall-new') {
 401                                                 $it = $items[0];
 402                                         } else {
 403                                                 $r = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 404                                                         intval($argv[2]),
 405                                                         intval($uid)
 406                                                 );
 407                                                 if (dbm::is_result($r))
 408                                                         $it = $r[0];
 409                                         }
 410                                         if (!$it)
 411                                                 break;
 412
 413
 414                                         $local_user = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
 415                                                 intval($uid)
 416                                         );
 417                                         if (!count($local_user))
 418                                                 break;
 419
 420                                         $reply_to = '';
 421                                         $r1 = q("SELECT * FROM `mailacct` WHERE `uid` = %d LIMIT 1",
 422                                                 intval($uid)
 423                                         );
 424                                         if ($r1 && $r1[0]['reply_to'])
 425                                                 $reply_to = $r1[0]['reply_to'];
 426
 427                                         $subject  = (($it['title']) ? email_header_encode($it['title'],'UTF-8') : t("\x28no subject\x29")) ;
 428
 429                                         // only expose our real email address to true friends
 430
 431                                         if (($contact['rel'] == CONTACT_IS_FRIEND) && !$contact['blocked']) {
 432                                                 if ($reply_to) {
 433                                                         $headers  = 'From: '.email_header_encode($local_user[0]['username'],'UTF-8').' <'.$reply_to.'>'."\n";
 434                                                         $headers .= 'Sender: '.$local_user[0]['email']."\n";
 435                                                 } else {
 436                                                         $headers  = 'From: '.email_header_encode($local_user[0]['username'],'UTF-8').' <'.$local_user[0]['email'].'>'."\n";
 437                                                 }
 438                                         } else {
 439                                                 $headers  = 'From: '. email_header_encode($local_user[0]['username'],'UTF-8') .' <'. t('noreply') .'@'.$a->get_hostname() .'>'. "\n";
 440                                         }
 441
 442                                         //if ($reply_to)
 443                                         //      $headers .= 'Reply-to: '.$reply_to . "\n";
 444
 445                                         $headers .= 'Message-Id: <'. iri2msgid($it['uri']).'>'. "\n";
 446
 447                                         //logger("Mail: uri: ".$it['uri']." parent-uri ".$it['parent-uri'], LOGGER_DEBUG);
 448                                         //logger("Mail: Data: ".print_r($it, true), LOGGER_DEBUG);
 449                                         //logger("Mail: Data: ".print_r($it, true), LOGGER_DATA);
 450
 451                                         if ($it['uri'] !== $it['parent-uri']) {
 452                                                 $headers .= "References: <".iri2msgid($it["parent-uri"]).">";
 453
 454                                                 // If Threading is enabled, write down the correct parent
 455                                                 if (($it["thr-parent"] != "") and ($it["thr-parent"] != $it["parent-uri"]))
 456                                                         $headers .= " <".iri2msgid($it["thr-parent"]).">";
 457                                                 $headers .= "\n";
 458
 459                                                 if (!$it['title']) {
 460                                                         $r = q("SELECT `title` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 461                                                                 dbesc($it['parent-uri']),
 462                                                                 intval($uid));
 463
 464                                                         if (dbm::is_result($r) AND ($r[0]['title'] != '')) {
 465                                                                 $subject = $r[0]['title'];
 466                                                         } else {
 467                                                                 $r = q("SELECT `title` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d LIMIT 1",
 468                                                                         dbesc($it['parent-uri']),
 469                                                                         intval($uid));
 470
 471                                                                 if (dbm::is_result($r) AND ($r[0]['title'] != ''))
 472                                                                         $subject = $r[0]['title'];
 473                                                         }
 474                                                 }
 475                                                 if (strncasecmp($subject,'RE:',3))
 476                                                         $subject = 'Re: '.$subject;
 477                                         }
 478                                         email_send($addr, $subject, $headers, $it);
 479                                 }
 480                                 break;
 481
 482                         case NETWORK_DIASPORA:
 483                                 if ($public_message)
 484                                         $loc = 'public batch '.$contact['batch'];
 485                                 else
 486                                         $loc = $contact['name'];
 487
 488                                 logger('delivery: diaspora batch deliver: '.$loc);
 489
 490                                 if (get_config('system','dfrn_only') || (!get_config('system','diaspora_enabled')))
 491                                         break;
 492
 493                                 if ($mail) {
 494                                         Diaspora::send_mail($item,$owner,$contact);
 495                                         break;
 496                                 }
 497
 498                                 if (!$normal_mode)
 499                                         break;
 500
 501                                 if (!$contact['pubkey'] && !$public_message)
 502                                         break;
 503
 504                                 if (($target_item['deleted']) && (($target_item['uri'] === $target_item['parent-uri']) || $followup)) {
 505                                         // top-level retraction
 506                                         logger('diaspora retract: '.$loc);
 507                                         Diaspora::send_retraction($target_item,$owner,$contact,$public_message);
 508                                         break;
 509                                 } elseif ($followup) {
 510                                         // send comments and likes to owner to relay
 511                                         logger('diaspora followup: '.$loc);
 512                                         Diaspora::send_followup($target_item,$owner,$contact,$public_message);
 513                                         break;
 514                                 } elseif ($target_item['uri'] !== $target_item['parent-uri']) {
 515                                         // we are the relay - send comments, likes and relayable_retractions to our conversants
 516                                         logger('diaspora relay: '.$loc);
 517                                         Diaspora::send_relay($target_item,$owner,$contact,$public_message);
 518                                         break;
 519                                 } elseif ($top_level && !$walltowall) {
 520                                         // currently no workable solution for sending walltowall
 521                                         logger('diaspora status: '.$loc);
 522                                         Diaspora::send_status($target_item,$owner,$contact,$public_message);
 523                                         break;
 524                                 }
 525
 526                                 logger('delivery: diaspora unknown mode: '.$contact['name']);
 527
 528                                 break;
 529
 530                         default:
 531                                 break;
 532                 }
 533         }
 534
 535         return;
 536 }