include/delivery.php

   1 <?php
   2
   3 use Friendica\App;
   4 use Friendica\Core\System;
   5 use Friendica\Core\Config;
   6
   7 require_once 'include/queue_fn.php';
   8 require_once 'include/html2plain.php';
   9 require_once 'include/probe.php';
  10 require_once 'include/diaspora.php';
  11 require_once 'include/ostatus.php';
  12 require_once 'include/dfrn.php';
  13
  14 function delivery_run(&$argv, &$argc){
  15         global $a;
  16
  17         require_once 'include/datetime.php';
  18         require_once 'include/items.php';
  19         require_once 'include/bbcode.php';
  20         require_once 'include/email.php';
  21
  22         if ($argc < 3) {
  23                 return;
  24         }
  25
  26         logger('delivery: invoked: '. print_r($argv,true), LOGGER_DEBUG);
  27
  28         $cmd        = $argv[1];
  29         $item_id    = intval($argv[2]);
  30
  31         for ($x = 3; $x < $argc; $x ++) {
  32
  33                 $contact_id = intval($argv[$x]);
  34
  35                 if (!$item_id || !$contact_id) {
  36                         continue;
  37                 }
  38
  39                 $expire = false;
  40                 $mail = false;
  41                 $fsuggest = false;
  42                 $relocate = false;
  43                 $top_level = false;
  44                 $recipients = array();
  45                 $url_recipients = array();
  46                 $followup = false;
  47
  48                 $normal_mode = true;
  49
  50                 $recipients[] = $contact_id;
  51
  52                 if ($cmd === 'mail') {
  53                         $normal_mode = false;
  54                         $mail = true;
  55                         $message = q("SELECT * FROM `mail` WHERE `id` = %d LIMIT 1",
  56                                         intval($item_id)
  57                         );
  58                         if (!count($message)) {
  59                                 return;
  60                         }
  61                         $uid = $message[0]['uid'];
  62                         $recipients[] = $message[0]['contact-id'];
  63                         $item = $message[0];
  64                 } elseif ($cmd === 'expire') {
  65                         $normal_mode = false;
  66                         $expire = true;
  67                         $items = q("SELECT * FROM `item` WHERE `uid` = %d AND `wall` = 1
  68                                 AND `deleted` = 1 AND `changed` > UTC_TIMESTAMP() - INTERVAL 30 MINUTE",
  69                                 intval($item_id)
  70                         );
  71                         $uid = $item_id;
  72                         $item_id = 0;
  73                         if (!count($items)) {
  74                                 continue;
  75                         }
  76                 } elseif ($cmd === 'suggest') {
  77                         $normal_mode = false;
  78                         $fsuggest = true;
  79
  80                         $suggest = q("SELECT * FROM `fsuggest` WHERE `id` = %d LIMIT 1",
  81                                 intval($item_id)
  82                         );
  83                         if (!count($suggest)) {
  84                                 return;
  85                         }
  86                         $uid = $suggest[0]['uid'];
  87                         $recipients[] = $suggest[0]['cid'];
  88                         $item = $suggest[0];
  89                 } elseif ($cmd === 'relocate') {
  90                         $normal_mode = false;
  91                         $relocate = true;
  92                         $uid = $item_id;
  93                 } else {
  94                         // find ancestors
  95                         $r = q("SELECT * FROM `item` WHERE `id` = %d AND visible = 1 AND moderated = 0 LIMIT 1",
  96                                 intval($item_id)
  97                         );
  98
  99                         if ((!dbm::is_result($r)) || (!intval($r[0]['parent']))) {
 100                                 continue;
 101                         }
 102
 103                         $target_item = $r[0];
 104                         $parent_id = intval($r[0]['parent']);
 105                         $uid = $r[0]['uid'];
 106                         $updated = $r[0]['edited'];
 107
 108                         $items = q("SELECT `item`.*, `sign`.`signed_text`,`sign`.`signature`,`sign`.`signer`
 109                                 FROM `item` LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id` WHERE `parent` = %d AND visible = 1 AND moderated = 0 ORDER BY `id` ASC",
 110                                 intval($parent_id)
 111                         );
 112
 113                         if (!count($items)) {
 114                                 continue;
 115                         }
 116
 117                         $icontacts = null;
 118                         $contacts_arr = array();
 119                         foreach ($items as $item) {
 120                                 if (!in_array($item['contact-id'],$contacts_arr)) {
 121                                         $contacts_arr[] = intval($item['contact-id']);
 122                                 }
 123                         }
 124                         if (count($contacts_arr)) {
 125                                 $str_contacts = implode(',',$contacts_arr);
 126                                 $icontacts = q("SELECT * FROM `contact`
 127                                         WHERE `id` IN ( $str_contacts ) "
 128                                 );
 129                         }
 130                         if ( !($icontacts && count($icontacts))) {
 131                                 continue;
 132                         }
 133
 134                         // avoid race condition with deleting entries
 135
 136                         if ($items[0]['deleted']) {
 137                                 foreach ($items as $item) {
 138                                         $item['deleted'] = 1;
 139                                 }
 140                         }
 141
 142                         // When commenting too fast after delivery, a post wasn't recognized as top level post.
 143                         // The count then showed more than one entry. The additional check should help.
 144                         // The check for the "count" should be superfluous, but I'm not totally sure by now, so we keep it.
 145                         if ((($items[0]['id'] == $item_id) || (count($items) == 1)) && ($items[0]['uri'] === $items[0]['parent-uri'])) {
 146                                 logger('delivery: top level post');
 147                                 $top_level = true;
 148                         }
 149                 }
 150
 151                 $r = q("SELECT `contact`.*, `user`.`pubkey` AS `upubkey`, `user`.`prvkey` AS `uprvkey`,
 152                         `user`.`timezone`, `user`.`nickname`, `user`.`sprvkey`, `user`.`spubkey`,
 153                         `user`.`page-flags`, `user`.`account-type`, `user`.`prvnets`
 154                         FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
 155                         WHERE `contact`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
 156                         intval($uid)
 157                 );
 158
 159                 if (!dbm::is_result($r)) {
 160                         continue;
 161                 }
 162
 163                 $owner = $r[0];
 164
 165                 $walltowall = ((($top_level) && ($owner['id'] != $items[0]['contact-id'])) ? true : false);
 166
 167                 $public_message = true;
 168
 169                 if (!($mail || $fsuggest || $relocate)) {
 170                         require_once 'include/group.php';
 171
 172                         $parent = $items[0];
 173
 174                         // This is IMPORTANT!!!!
 175
 176                         // We will only send a "notify owner to relay" or followup message if the referenced post
 177                         // originated on our system by virtue of having our hostname somewhere
 178                         // in the URI, AND it was a comment (not top_level) AND the parent originated elsewhere.
 179                         // if $parent['wall'] == 1 we will already have the parent message in our array
 180                         // and we will relay the whole lot.
 181
 182                         // expire sends an entire group of expire messages and cannot be forwarded.
 183                         // However the conversation owner will be a part of the conversation and will
 184                         // be notified during this run.
 185                         // Other DFRN conversation members will be alerted during polled updates.
 186
 187                         // Diaspora members currently are not notified of expirations, and other networks have
 188                         // either limited or no ability to process deletions. We should at least fix Diaspora
 189                         // by stringing togther an array of retractions and sending them onward.
 190
 191
 192                         $localhost = $a->get_hostname();
 193                         if (strpos($localhost,':')) {
 194                                 $localhost = substr($localhost,0,strpos($localhost,':'));
 195                         }
 196                         /**
 197                          *
 198                          * Be VERY CAREFUL if you make any changes to the following line. Seemingly innocuous changes
 199                          * have been known to cause runaway conditions which affected several servers, along with
 200                          * permissions issues.
 201                          *
 202                          */
 203
 204                         $relay_to_owner = false;
 205
 206                         if (!$top_level && ($parent['wall'] == 0) && !$expire && stristr($target_item['uri'],$localhost)) {
 207                                 $relay_to_owner = true;
 208                         }
 209
 210                         if ($relay_to_owner) {
 211                                 logger('followup '.$target_item["guid"], LOGGER_DEBUG);
 212                                 // local followup to remote post
 213                                 $followup = true;
 214                         }
 215
 216                         if ((strlen($parent['allow_cid']))
 217                                 || (strlen($parent['allow_gid']))
 218                                 || (strlen($parent['deny_cid']))
 219                                 || (strlen($parent['deny_gid']))
 220                                 || $parent["private"]) {
 221                                 $public_message = false; // private recipients, not public
 222                         }
 223
 224                 }
 225
 226                 $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `blocked` = 0 AND `pending` = 0",
 227                         intval($contact_id)
 228                 );
 229
 230                 if (dbm::is_result($r)) {
 231                         $contact = $r[0];
 232                 }
 233                 if ($contact['self']) {
 234                         continue;
 235                 }
 236                 $deliver_status = 0;
 237
 238                 logger("main delivery by delivery: followup=$followup mail=$mail fsuggest=$fsuggest relocate=$relocate - network ".$contact['network']);
 239
 240                 switch($contact['network']) {
 241
 242                         case NETWORK_DFRN:
 243                                 logger('notifier: '.$target_item["guid"].' dfrndelivery: '.$contact['name']);
 244
 245                                 if ($mail) {
 246                                         $item['body'] = fix_private_photos($item['body'],$owner['uid'],null,$message[0]['contact-id']);
 247                                         $atom = dfrn::mail($item, $owner);
 248                                 } elseif ($fsuggest) {
 249                                         $atom = dfrn::fsuggest($item, $owner);
 250                                         q("DELETE FROM `fsuggest` WHERE `id` = %d LIMIT 1", intval($item['id']));
 251                                 } elseif ($relocate) {
 252                                         $atom = dfrn::relocate($owner, $uid);
 253                                 } elseif ($followup) {
 254                                         $msgitems = array();
 255                                         foreach ($items as $item) {  // there is only one item
 256                                                 if (!$item['parent']) {
 257                                                         continue;
 258                                                 }
 259                                                 if ($item['id'] == $item_id) {
 260                                                         logger('followup: item: '. print_r($item,true), LOGGER_DATA);
 261                                                         $msgitems[] = $item;
 262                                                 }
 263                                         }
 264                                         $atom = dfrn::entries($msgitems,$owner);
 265                                 } else {
 266                                         $msgitems = array();
 267                                         foreach ($items as $item) {
 268                                                 if (!$item['parent']) {
 269                                                         continue;
 270                                                 }
 271
 272                                                 // private emails may be in included in public conversations. Filter them.
 273                                                 if ($public_message && $item['private']) {
 274                                                         continue;
 275                                                 }
 276
 277                                                 $item_contact = get_item_contact($item,$icontacts);
 278                                                 if (!$item_contact) {
 279                                                         continue;
 280                                                 }
 281
 282                                                 if ($normal_mode) {
 283                                                         if ($item_id == $item['id'] || $item['id'] == $item['parent']) {
 284                                                                 $item["entry:comment-allow"] = true;
 285                                                                 $item["entry:cid"] = (($top_level) ? $contact['id'] : 0);
 286                                                                 $msgitems[] = $item;
 287                                                         }
 288                                                 } else {
 289                                                         $item["entry:comment-allow"] = true;
 290                                                         $msgitems[] = $item;
 291                                                 }
 292                                         }
 293                                         $atom = dfrn::entries($msgitems,$owner);
 294                                 }
 295
 296                                 logger('notifier entry: '.$contact["url"].' '.$target_item["guid"].' entry: '.$atom, LOGGER_DEBUG);
 297
 298                                 logger('notifier: '.$atom, LOGGER_DATA);
 299                                 $basepath =  implode('/', array_slice(explode('/',$contact['url']),0,3));
 300
 301                                 // perform local delivery if we are on the same site
 302
 303                                 if (link_compare($basepath,System::baseUrl())) {
 304
 305                                         $nickname = basename($contact['url']);
 306                                         if ($contact['issued-id']) {
 307                                                 $sql_extra = sprintf(" AND `dfrn-id` = '%s' ", dbesc($contact['issued-id']));
 308                                         } else {
 309                                                 $sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($contact['dfrn-id']));
 310                                         }
 311
 312                                         $x = q("SELECT  `contact`.*, `contact`.`uid` AS `importer_uid`,
 313                                                 `contact`.`pubkey` AS `cpubkey`,
 314                                                 `contact`.`prvkey` AS `cprvkey`,
 315                                                 `contact`.`thumb` AS `thumb`,
 316                                                 `contact`.`url` as `url`,
 317                                                 `contact`.`name` as `senderName`,
 318                                                 `user`.*
 319                                                 FROM `contact`
 320                                                 INNER JOIN `user` ON `contact`.`uid` = `user`.`uid`
 321                                                 WHERE `contact`.`blocked` = 0 AND `contact`.`pending` = 0
 322                                                 AND `contact`.`network` = '%s' AND `user`.`nickname` = '%s'
 323                                                 $sql_extra
 324                                                 AND `user`.`account_expired` = 0 AND `user`.`account_removed` = 0 LIMIT 1",
 325                                                 dbesc(NETWORK_DFRN),
 326                                                 dbesc($nickname)
 327                                         );
 328
 329                                         if ($x && count($x)) {
 330                                                 $write_flag = ((($x[0]['rel']) && ($x[0]['rel'] != CONTACT_IS_SHARING)) ? true : false);
 331                                                 if ((($owner['page-flags'] == PAGE_COMMUNITY) || $write_flag) && !$x[0]['writable']) {
 332                                                         q("UPDATE `contact` SET `writable` = 1 WHERE `id` = %d",
 333                                                                 intval($x[0]['id'])
 334                                                         );
 335                                                         $x[0]['writable'] = 1;
 336                                                 }
 337
 338                                                 $ssl_policy = get_config('system','ssl_policy');
 339                                                 fix_contact_ssl_policy($x[0],$ssl_policy);
 340
 341                                                 // If we are setup as a soapbox we aren't accepting top level posts from this person
 342
 343                                                 if (($x[0]['page-flags'] == PAGE_SOAPBOX) && $top_level) {
 344                                                         break;
 345                                                 }
 346                                                 logger('mod-delivery: local delivery');
 347                                                 dfrn::import($atom, $x[0]);
 348                                                 break;
 349                                         }
 350                                 }
 351
 352                                 if (!was_recently_delayed($contact['id'])) {
 353                                         $deliver_status = dfrn::deliver($owner,$contact,$atom);
 354                                 } else {
 355                                         $deliver_status = (-1);
 356                                 }
 357
 358                                 logger('notifier: dfrn_delivery to '.$contact["url"].' with guid '.$target_item["guid"].' returns '.$deliver_status);
 359
 360                                 if ($deliver_status < 0) {
 361                                         logger('notifier: delivery failed: queuing message');
 362                                         add_to_queue($contact['id'],NETWORK_DFRN,$atom);
 363
 364                                         // The message could not be delivered. We mark the contact as "dead"
 365                                         mark_for_death($contact);
 366                                 } else {
 367                                         // We successfully delivered a message, the contact is alive
 368                                         unmark_for_death($contact);
 369                                 }
 370
 371                                 break;
 372
 373                         case NETWORK_OSTATUS:
 374                                 // Do not send to otatus if we are not configured to send to public networks
 375                                 if ($owner['prvnets']) {
 376                                         break;
 377                                 }
 378                                 if (get_config('system','ostatus_disabled') || get_config('system','dfrn_only')) {
 379                                         break;
 380                                 }
 381
 382                                 // There is currently no code here to distribute anything to OStatus.
 383                                 // This is done in "notifier.php" (See "url_recipients" and "push_notify")
 384                                 break;
 385
 386                         case NETWORK_MAIL:
 387                         case NETWORK_MAIL2:
 388
 389                                 if (get_config('system','dfrn_only')) {
 390                                         break;
 391                                 }
 392                                 // WARNING: does not currently convert to RFC2047 header encodings, etc.
 393
 394                                 $addr = $contact['addr'];
 395                                 if (!strlen($addr)) {
 396                                         break;
 397                                 }
 398
 399                                 if ($cmd === 'wall-new' || $cmd === 'comment-new') {
 400
 401                                         $it = null;
 402                                         if ($cmd === 'wall-new') {
 403                                                 $it = $items[0];
 404                                         } else {
 405                                                 $r = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 406                                                         intval($argv[2]),
 407                                                         intval($uid)
 408                                                 );
 409                                                 if (dbm::is_result($r))
 410                                                         $it = $r[0];
 411                                         }
 412                                         if (!$it)
 413                                                 break;
 414
 415
 416                                         $local_user = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
 417                                                 intval($uid)
 418                                         );
 419                                         if (!count($local_user))
 420                                                 break;
 421
 422                                         $reply_to = '';
 423                                         $r1 = q("SELECT * FROM `mailacct` WHERE `uid` = %d LIMIT 1",
 424                                                 intval($uid)
 425                                         );
 426                                         if ($r1 && $r1[0]['reply_to'])
 427                                                 $reply_to = $r1[0]['reply_to'];
 428
 429                                         $subject  = (($it['title']) ? email_header_encode($it['title'],'UTF-8') : t("\x28no subject\x29")) ;
 430
 431                                         // only expose our real email address to true friends
 432
 433                                         if (($contact['rel'] == CONTACT_IS_FRIEND) && !$contact['blocked']) {
 434                                                 if ($reply_to) {
 435                                                         $headers  = 'From: '.email_header_encode($local_user[0]['username'],'UTF-8').' <'.$reply_to.'>'."\n";
 436                                                         $headers .= 'Sender: '.$local_user[0]['email']."\n";
 437                                                 } else {
 438                                                         $headers  = 'From: '.email_header_encode($local_user[0]['username'],'UTF-8').' <'.$local_user[0]['email'].'>'."\n";
 439                                                 }
 440                                         } else {
 441                                                 $headers  = 'From: '. email_header_encode($local_user[0]['username'],'UTF-8') .' <'. t('noreply') .'@'.$a->get_hostname() .'>'. "\n";
 442                                         }
 443
 444                                         //if ($reply_to)
 445                                         //      $headers .= 'Reply-to: '.$reply_to . "\n";
 446
 447                                         $headers .= 'Message-Id: <'. iri2msgid($it['uri']).'>'. "\n";
 448
 449                                         //logger("Mail: uri: ".$it['uri']." parent-uri ".$it['parent-uri'], LOGGER_DEBUG);
 450                                         //logger("Mail: Data: ".print_r($it, true), LOGGER_DEBUG);
 451                                         //logger("Mail: Data: ".print_r($it, true), LOGGER_DATA);
 452
 453                                         if ($it['uri'] !== $it['parent-uri']) {
 454                                                 $headers .= "References: <".iri2msgid($it["parent-uri"]).">";
 455
 456                                                 // If Threading is enabled, write down the correct parent
 457                                                 if (($it["thr-parent"] != "") && ($it["thr-parent"] != $it["parent-uri"]))
 458                                                         $headers .= " <".iri2msgid($it["thr-parent"]).">";
 459                                                 $headers .= "\n";
 460
 461                                                 if (!$it['title']) {
 462                                                         $r = q("SELECT `title` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 463                                                                 dbesc($it['parent-uri']),
 464                                                                 intval($uid));
 465
 466                                                         if (dbm::is_result($r) && ($r[0]['title'] != '')) {
 467                                                                 $subject = $r[0]['title'];
 468                                                         } else {
 469                                                                 $r = q("SELECT `title` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d LIMIT 1",
 470                                                                         dbesc($it['parent-uri']),
 471                                                                         intval($uid));
 472
 473                                                                 if (dbm::is_result($r) && ($r[0]['title'] != ''))
 474                                                                         $subject = $r[0]['title'];
 475                                                         }
 476                                                 }
 477                                                 if (strncasecmp($subject,'RE:',3))
 478                                                         $subject = 'Re: '.$subject;
 479                                         }
 480                                         email_send($addr, $subject, $headers, $it);
 481                                 }
 482                                 break;
 483
 484                         case NETWORK_DIASPORA:
 485                                 if ($public_message)
 486                                         $loc = 'public batch '.$contact['batch'];
 487                                 else
 488                                         $loc = $contact['name'];
 489
 490                                 logger('delivery: diaspora batch deliver: '.$loc);
 491
 492                                 if (get_config('system','dfrn_only') || (!get_config('system','diaspora_enabled')))
 493                                         break;
 494
 495                                 if ($mail) {
 496                                         Diaspora::send_mail($item,$owner,$contact);
 497                                         break;
 498                                 }
 499
 500                                 if (!$normal_mode)
 501                                         break;
 502
 503                                 if (!$contact['pubkey'] && !$public_message)
 504                                         break;
 505
 506                                 if (($target_item['deleted']) && (($target_item['uri'] === $target_item['parent-uri']) || $followup)) {
 507                                         // top-level retraction
 508                                         logger('diaspora retract: '.$loc);
 509                                         Diaspora::send_retraction($target_item,$owner,$contact,$public_message);
 510                                         break;
 511                                 } elseif ($relocate) {
 512                                         Diaspora::sendAccountMigration($owner, $contact, $uid);
 513                                         break;
 514                                 } elseif ($followup) {
 515                                         // send comments and likes to owner to relay
 516                                         logger('diaspora followup: '.$loc);
 517                                         Diaspora::send_followup($target_item,$owner,$contact,$public_message);
 518                                         break;
 519                                 } elseif ($target_item['uri'] !== $target_item['parent-uri']) {
 520                                         // we are the relay - send comments, likes and relayable_retractions to our conversants
 521                                         logger('diaspora relay: '.$loc);
 522                                         Diaspora::send_relay($target_item,$owner,$contact,$public_message);
 523                                         break;
 524                                 } elseif ($top_level && !$walltowall) {
 525                                         // currently no workable solution for sending walltowall
 526                                         logger('diaspora status: '.$loc);
 527                                         Diaspora::send_status($target_item,$owner,$contact,$public_message);
 528                                         break;
 529                                 }
 530
 531                                 logger('delivery: diaspora unknown mode: '.$contact['name']);
 532
 533                                 break;
 534
 535                         default:
 536                                 break;
 537                 }
 538         }
 539
 540         return;
 541 }