include/delivery.php

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