include/delivery.php

   1 <?php
   2 require_once("boot.php");
   3 require_once('include/queue_fn.php');
   4 require_once('include/html2plain.php');
   5
   6 function delivery_run($argv, $argc){
   7         global $a, $db;
   8
   9         if(is_null($a)){
  10                 $a = new App;
  11         }
  12
  13         if(is_null($db)) {
  14                 @include(".htconfig.php");
  15                 require_once("dba.php");
  16                 $db = new dba($db_host, $db_user, $db_pass, $db_data);
  17                         unset($db_host, $db_user, $db_pass, $db_data);
  18         }
  19
  20         require_once("session.php");
  21         require_once("datetime.php");
  22         require_once('include/items.php');
  23         require_once('include/bbcode.php');
  24         require_once('include/diaspora.php');
  25         require_once('include/email.php');
  26
  27         load_config('config');
  28         load_config('system');
  29
  30         load_hooks();
  31
  32         if($argc < 3)
  33                 return;
  34
  35         $a->set_baseurl(get_config('system','url'));
  36
  37         logger('delivery: invoked: ' . print_r($argv,true), LOGGER_DEBUG);
  38
  39         $cmd        = $argv[1];
  40         $item_id    = intval($argv[2]);
  41         $contact_id = intval($argv[3]);
  42
  43         // Some other process may have delivered this item already.
  44
  45         $r = q("select * from deliverq where cmd = '%s' and item = %d and contact = %d limit 1",
  46                 dbesc($cmd),
  47                 dbesc($item_id),
  48                 dbesc($contact_id)
  49         );
  50         if(! count($r)) {
  51                 return;
  52         }
  53
  54         $maxsysload = intval(get_config('system','maxloadavg'));
  55         if($maxsysload < 1)
  56                 $maxsysload = 50;
  57         if(function_exists('sys_getloadavg')) {
  58                 $load = sys_getloadavg();
  59                 if(intval($load[0]) > $maxsysload) {
  60                         logger('system: load ' . $load . ' too high. Delivery deferred to next queue run.');
  61                         return;
  62                 }
  63         }
  64
  65         // It's ours to deliver. Remove it from the queue.
  66
  67         q("delete from deliverq where cmd = '%s' and item = %d and contact = %d limit 1",
  68                 dbesc($cmd),
  69                 dbesc($item_id),
  70                 dbesc($contact_id)
  71         );
  72
  73         if((! $item_id) || (! $contact_id))
  74                 return;
  75
  76         $expire = false;
  77         $top_level = false;
  78         $recipients = array();
  79         $url_recipients = array();
  80
  81         $normal_mode = true;
  82
  83         $recipients[] = $contact_id;
  84
  85         if($cmd === 'expire') {
  86                 $normal_mode = false;
  87                 $expire = true;
  88                 $items = q("SELECT * FROM `item` WHERE `uid` = %d AND `wall` = 1
  89                         AND `deleted` = 1 AND `changed` > UTC_TIMESTAMP() - INTERVAL 30 MINUTE",
  90                         intval($item_id)
  91                 );
  92                 $uid = $item_id;
  93                 $item_id = 0;
  94                 if(! count($items))
  95                         return;
  96         }
  97         else {
  98
  99                 // find ancestors
 100                 $r = q("SELECT * FROM `item` WHERE `id` = %d and visible = 1 and moderated = 0 LIMIT 1",
 101                         intval($item_id)
 102                 );
 103
 104                 if((! count($r)) || (! intval($r[0]['parent']))) {
 105                         return;
 106                 }
 107
 108                 $target_item = $r[0];
 109                 $parent_id = intval($r[0]['parent']);
 110                 $uid = $r[0]['uid'];
 111                 $updated = $r[0]['edited'];
 112
 113                 if(! $parent_id)
 114                         return;
 115
 116
 117                 $items = q("SELECT `item`.*, `sign`.`signed_text`,`sign`.`signature`,`sign`.`signer`
 118                         FROM `item` LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id` WHERE `parent` = %d and visible = 1 and moderated = 0 ORDER BY `id` ASC",
 119                         intval($parent_id)
 120                 );
 121
 122                 if(! count($items)) {
 123                         return;
 124                 }
 125
 126                 $icontacts = null;
 127                 $contacts_arr = array();
 128                 foreach($items as $item)
 129                         if(! in_array($item['contact-id'],$contacts_arr))
 130                                 $contacts_arr[] = intval($item['contact-id']);
 131                 if(count($contacts_arr)) {
 132                         $str_contacts = implode(',',$contacts_arr);
 133                         $icontacts = q("SELECT * FROM `contact`
 134                                 WHERE `id` IN ( $str_contacts ) "
 135                         );
 136                 }
 137                 if( ! ($icontacts && count($icontacts)))
 138                         return;
 139
 140                 // avoid race condition with deleting entries
 141
 142                 if($items[0]['deleted']) {
 143                         foreach($items as $item)
 144                                 $item['deleted'] = 1;
 145                 }
 146
 147                 if((count($items) == 1) && ($items[0]['uri'] === $items[0]['parent-uri'])) {
 148                         logger('delivery: top level post');
 149                         $top_level = true;
 150                 }
 151         }
 152
 153         $r = q("SELECT `contact`.*, `user`.`pubkey` AS `upubkey`, `user`.`prvkey` AS `uprvkey`,
 154                 `user`.`timezone`, `user`.`nickname`, `user`.`sprvkey`, `user`.`spubkey`,
 155                 `user`.`page-flags`, `user`.`prvnets`
 156                 FROM `contact` LEFT JOIN `user` ON `user`.`uid` = `contact`.`uid`
 157                 WHERE `contact`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
 158                 intval($uid)
 159         );
 160
 161         if(! count($r))
 162                 return;
 163
 164         $owner = $r[0];
 165
 166         $walltowall = ((($top_level) && ($owner['id'] != $items[0]['contact-id'])) ? true : false);
 167
 168         $public_message = true;
 169
 170         // fill this in with a single salmon slap if applicable
 171
 172         $slap = '';
 173
 174         require_once('include/group.php');
 175
 176         $parent = $items[0];
 177
 178                 // This is IMPORTANT!!!!
 179
 180                 // We will only send a "notify owner to relay" or followup message if the referenced post
 181                 // originated on our system by virtue of having our hostname somewhere
 182                 // in the URI, AND it was a comment (not top_level) AND the parent originated elsewhere.
 183                 // if $parent['wall'] == 1 we will already have the parent message in our array
 184                 // and we will relay the whole lot.
 185
 186                 // expire sends an entire group of expire messages and cannot be forwarded.
 187                 // However the conversation owner will be a part of the conversation and will
 188                 // be notified during this run.
 189                 // Other DFRN conversation members will be alerted during polled updates.
 190
 191                 // Diaspora members currently are not notified of expirations, and other networks have
 192                 // either limited or no ability to process deletions. We should at least fix Diaspora
 193                 // by stringing togther an array of retractions and sending them onward.
 194
 195
 196         $localhost = $a->get_hostname();
 197         if(strpos($localhost,':'))
 198                 $localhost = substr($localhost,0,strpos($localhost,':'));
 199
 200                 /**
 201                  *
 202                  * Be VERY CAREFUL if you make any changes to the following line. Seemingly innocuous changes
 203                  * have been known to cause runaway conditions which affected several servers, along with
 204                  * permissions issues.
 205                  *
 206                  */
 207
 208         if((! $top_level) && ($parent['wall'] == 0) && (! $expire) && (stristr($target_item['uri'],$localhost))) {
 209                 logger('relay denied for delivery agent.');
 210
 211                 /* no relay allowed for direct contact delivery */
 212                 return;
 213         }
 214
 215         if((strlen($parent['allow_cid']))
 216                 || (strlen($parent['allow_gid']))
 217                 || (strlen($parent['deny_cid']))
 218                 || (strlen($parent['deny_gid']))) {
 219                 $public_message = false; // private recipients, not public
 220         }
 221
 222         $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `blocked` = 0 AND `pending` = 0",
 223                 intval($contact_id)
 224         );
 225
 226         if(count($r))
 227                 $contact = $r[0];
 228
 229         $hubxml = feed_hublinks();
 230
 231         logger('notifier: slaps: ' . print_r($slaps,true), LOGGER_DATA);
 232
 233         require_once('include/salmon.php');
 234
 235         if($contact['self'])
 236                 return;
 237
 238         $deliver_status = 0;
 239
 240         switch($contact['network']) {
 241
 242                 case NETWORK_DFRN :
 243                         logger('notifier: dfrndelivery: ' . $contact['name']);
 244
 245                         $feed_template = get_markup_template('atom_feed.tpl');
 246                         $mail_template = get_markup_template('atom_mail.tpl');
 247
 248                         $atom = '';
 249
 250
 251                         $birthday = feed_birthday($owner['uid'],$owner['timezone']);
 252
 253                         if(strlen($birthday))
 254                                 $birthday = '<dfrn:birthday>' . xmlify($birthday) . '</dfrn:birthday>';
 255
 256                         $atom .= replace_macros($feed_template, array(
 257                                         '$version'      => xmlify(FRIENDICA_VERSION),
 258                                         '$feed_id'      => xmlify($a->get_baseurl() . '/profile/' . $owner['nickname'] ),
 259                                         '$feed_title'   => xmlify($owner['name']),
 260                                         '$feed_updated' => xmlify(datetime_convert('UTC', 'UTC', $updated . '+00:00' , ATOM_TIME)) ,
 261                                         '$hub'          => $hubxml,
 262                                         '$salmon'       => '',  // private feed, we don't use salmon here
 263                                         '$name'         => xmlify($owner['name']),
 264                                         '$profile_page' => xmlify($owner['url']),
 265                                         '$photo'        => xmlify($owner['photo']),
 266                                         '$thumb'        => xmlify($owner['thumb']),
 267                                         '$picdate'      => xmlify(datetime_convert('UTC','UTC',$owner['avatar-date'] . '+00:00' , ATOM_TIME)) ,
 268                                         '$uridate'      => xmlify(datetime_convert('UTC','UTC',$owner['uri-date']    . '+00:00' , ATOM_TIME)) ,
 269                                         '$namdate'      => xmlify(datetime_convert('UTC','UTC',$owner['name-date']   . '+00:00' , ATOM_TIME)) ,
 270                                         '$birthday'     => $birthday,
 271                                         '$community'    => (($owner['page-flags'] == PAGE_COMMUNITY) ? '<dfrn:community>1</dfrn:community>' : '')
 272                         ));
 273
 274                         foreach($items as $item) {
 275                                 if(! $item['parent'])
 276                                         continue;
 277
 278                                 // private emails may be in included in public conversations. Filter them.
 279                                 if(($public_message) && $item['private'])
 280                                         continue;
 281
 282                                 $item_contact = get_item_contact($item,$icontacts);
 283                                 if(! $item_contact)
 284                                         continue;
 285
 286                                 if($normal_mode) {
 287                                         if($item_id == $item['id'] || $item['id'] == $item['parent'])
 288                                                 $atom .= atom_entry($item,'text',null,$owner,true);
 289                                 }
 290                                 else
 291                                         $atom .= atom_entry($item,'text',null,$owner,true);
 292
 293                         }
 294
 295                         $atom .= '</feed>' . "\r\n";
 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($basepath,$a->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                                 $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                                         LEFT 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                                         $sql_extra
 322                                         AND `user`.`account_expired` = 0 LIMIT 1",
 323                                         dbesc(NETWORK_DFRN),
 324                                         dbesc($nickname)
 325                                 );
 326
 327                                 if(count($x)) {
 328                                         if($owner['page-flags'] == PAGE_COMMUNITY && ! $x[0]['writable']) {
 329                                                 q("update contact set writable = 1 where id = %d limit 1",
 330                                                         intval($x[0]['id'])
 331                                                 );
 332                                                 $x[0]['writable'] = 1;
 333                                         }
 334
 335                                         $ssl_policy = get_config('system','ssl_policy');
 336                                         fix_contact_ssl_policy($x[0],$ssl_policy);
 337
 338                                         // If we are setup as a soapbox we aren't accepting input from this person
 339
 340                                         if($x[0]['page-flags'] == PAGE_SOAPBOX)
 341                                                 break;
 342
 343                                         require_once('library/simplepie/simplepie.inc');
 344                                         logger('mod-delivery: local delivery');
 345                                         local_delivery($x[0],$atom);
 346                                         break;
 347                                 }
 348                         }
 349
 350                         $deliver_status = dfrn_deliver($owner,$contact,$atom);
 351
 352                         logger('notifier: dfrn_delivery returns ' . $deliver_status);
 353
 354                         if($deliver_status == (-1)) {
 355                                 logger('notifier: delivery failed: queuing message');
 356                                 add_to_queue($contact['id'],NETWORK_DFRN,$atom);
 357                         }
 358                         break;
 359
 360                 case NETWORK_OSTATUS :
 361
 362                         // Do not send to otatus if we are not configured to send to public networks
 363                         if($owner['prvnets'])
 364                                 break;
 365                         if(get_config('system','ostatus_disabled') || get_config('system','dfrn_only'))
 366                                 break;
 367
 368                         // only send salmon if public - e.g. if it's ok to notify
 369                         // a public hub, it's ok to send a salmon
 370
 371                         if(($public_message) && (! $expire)) {
 372                                 $slaps = array();
 373
 374                                 foreach($items as $item) {
 375                                         if(! $item['parent'])
 376                                                 continue;
 377
 378                                         // private emails may be in included in public conversations. Filter them.
 379                                         if(($public_message) && $item['private'])
 380                                                 continue;
 381
 382                                         $item_contact = get_item_contact($item,$icontacts);
 383                                         if(! $item_contact)
 384                                                 continue;
 385
 386                                         if(($top_level) && ($public_message) && ($item['author-link'] === $item['owner-link']) && (! $expire))
 387                                                 $slaps[] = atom_entry($item,'html',null,$owner,true);
 388                                 }
 389
 390                                 logger('notifier: slapdelivery: ' . $contact['name']);
 391                                 foreach($slaps as $slappy) {
 392                                         if($contact['notify']) {
 393                                                 $deliver_status = slapper($owner,$contact['notify'],$slappy);
 394                                                 if($deliver_status == (-1)) {
 395                                                         // queue message for redelivery
 396                                                         add_to_queue($contact['id'],NETWORK_OSTATUS,$slappy);
 397                                                 }
 398                                         }
 399                                 }
 400                         }
 401
 402                         break;
 403
 404                 case NETWORK_MAIL :
 405                 case NETWORK_MAIL2:
 406
 407                         if(get_config('system','dfrn_only'))
 408                                 break;
 409                         // WARNING: does not currently convert to RFC2047 header encodings, etc.
 410
 411                         $addr = $contact['addr'];
 412                         if(! strlen($addr))
 413                                 break;
 414
 415                         if($cmd === 'wall-new' || $cmd === 'comment-new') {
 416
 417                                 $it = null;
 418                                 if($cmd === 'wall-new')
 419                                         $it = $items[0];
 420                                 else {
 421                                         $r = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 422                                                 intval($argv[2]),
 423                                                 intval($uid)
 424                                         );
 425                                         if(count($r))
 426                                                 $it = $r[0];
 427                                 }
 428                                 if(! $it)
 429                                         break;
 430
 431
 432                                 $local_user = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
 433                                         intval($uid)
 434                                 );
 435                                 if(! count($local_user))
 436                                         break;
 437
 438                                 $reply_to = '';
 439                                 $r1 = q("SELECT * FROM `mailacct` WHERE `uid` = %d LIMIT 1",
 440                                         intval($uid)
 441                                 );
 442                                 if($r1 && $r1[0]['reply_to'])
 443                                         $reply_to = $r1[0]['reply_to'];
 444
 445                                 $subject  = (($it['title']) ? email_header_encode($it['title'],'UTF-8') : t("\x28no subject\x29")) ;
 446
 447                                 // only expose our real email address to true friends
 448
 449                                 if(($contact['rel'] == CONTACT_IS_FRIEND) && (! $contact['blocked']))
 450                                         $headers  = 'From: ' . email_header_encode($local_user[0]['username'],'UTF-8') . ' <' . $local_user[0]['email'] . '>' . "\n";
 451                                 else
 452                                         $headers  = 'From: ' . email_header_encode($local_user[0]['username'],'UTF-8') . ' <' . t('noreply') . '@' . $a->get_hostname() . '>' . "\n";
 453
 454                                 if($reply_to)
 455                                         $headers .= 'Reply-to: ' . $reply_to . "\n";
 456
 457                                 // for testing purposes: Collect exported mails
 458                                 // $file = tempnam("/tmp/friendica/", "mail-out-");
 459                                 // file_put_contents($file, json_encode($it));
 460
 461                                 $headers .= 'Message-Id: <' . iri2msgid($it['uri']). '>' . "\n";
 462
 463                                 //logger("Mail: uri: ".$it['uri']." parent-uri ".$it['parent-uri'], LOGGER_DEBUG);
 464                                 //logger("Mail: Data: ".print_r($it, true), LOGGER_DEBUG);
 465                                 //logger("Mail: Data: ".print_r($it, true), LOGGER_DATA);
 466
 467                                 if($it['uri'] !== $it['parent-uri']) {
 468                                         $headers .= 'References: <' . iri2msgid($it['parent-uri']) . '>' . "\n";
 469                                         if(!strlen($it['title'])) {
 470                                                 $r = q("SELECT `title` FROM `item` WHERE `parent-uri` = '%s' LIMIT 1",
 471                                                         dbesc($it['parent-uri']));
 472
 473                                                 if(count($r) AND ($r[0]['title'] != ''))
 474                                                         $subject = $r[0]['title'];
 475                                         }
 476                                         if(strncasecmp($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')) || (! $normal_mode))
 492                                 break;
 493
 494                         if((! $contact['pubkey']) && (! $public_message))
 495                                 break;
 496
 497                         if($target_item['verb'] === ACTIVITY_DISLIKE) {
 498                                 // unsupported
 499                                 break;
 500                         }
 501                         elseif(($target_item['deleted']) && ($target_item['verb'] !== ACTIVITY_LIKE)) {
 502                         logger('delivery: diaspora retract: ' . $loc);
 503                                 // diaspora delete,
 504                                 diaspora_send_retraction($target_item,$owner,$contact,$public_message);
 505                                 break;
 506                         }
 507                         elseif($target_item['parent'] != $target_item['id']) {
 508
 509                         logger('delivery: diaspora relay: ' . $loc);
 510
 511                                 // we are the relay - send comments, likes and unlikes to our conversants
 512                                 diaspora_send_relay($target_item,$owner,$contact,$public_message);
 513                                 break;
 514                         }
 515                         elseif(($top_level) && (! $walltowall)) {
 516                                 // currently no workable solution for sending walltowall
 517                                 logger('delivery: diaspora status: ' . $loc);
 518                                 diaspora_send_status($target_item,$owner,$contact,$public_message);
 519                                 break;
 520                         }
 521
 522                         logger('delivery: diaspora unknown mode: ' . $contact['name']);
 523
 524                         break;
 525
 526                 case NETWORK_FEED :
 527                 case NETWORK_FACEBOOK :
 528                         if(get_config('system','dfrn_only'))
 529                                 break;
 530                 default:
 531                         break;
 532         }
 533
 534         return;
 535 }
 536
 537 if (array_search(__file__,get_included_files())===0){
 538   delivery_run($argv,$argc);
 539   killme();
 540 }