include/delivery.php

   1 <?php
   2 require_once("boot.php");
   3 require_once('include/queue_fn.php');
   4
   5 function delivery_run($argv, $argc){
   6         global $a, $db;
   7
   8         if(is_null($a)){
   9                 $a = new App;
  10         }
  11
  12         if(is_null($db)) {
  13                 @include(".htconfig.php");
  14                 require_once("dba.php");
  15                 $db = new dba($db_host, $db_user, $db_pass, $db_data);
  16                         unset($db_host, $db_user, $db_pass, $db_data);
  17         }
  18
  19         require_once("session.php");
  20         require_once("datetime.php");
  21         require_once('include/items.php');
  22         require_once('include/bbcode.php');
  23         require_once('include/diaspora.php');
  24         require_once('include/email.php');
  25
  26         load_config('config');
  27         load_config('system');
  28
  29         load_hooks();
  30
  31         if($argc < 3)
  32                 return;
  33
  34         $a->set_baseurl(get_config('system','url'));
  35
  36         logger('delivery: invoked: ' . print_r($argv,true), LOGGER_DEBUG);
  37
  38         $cmd        = $argv[1];
  39         $item_id    = intval($argv[2]);
  40         $contact_id = intval($argv[3]);
  41
  42         // Some other process may have delivered this item already.
  43
  44         $r = q("select * from deliverq where cmd = '%s' and item = %d and contact = %d limit 1",
  45                 dbesc($cmd),
  46                 dbesc($item_id),
  47                 dbesc($contact_id)
  48         );
  49         if(! count($r)) {
  50                 return;
  51         }
  52
  53         // It's ours to deliver. Remove it from the queue.
  54
  55         q("delete from deliverq where cmd = '%s' and item = %d and contact = %d limit 1",
  56                 dbesc($cmd),
  57                 dbesc($item_id),
  58                 dbesc($contact_id)
  59         );
  60
  61         if((! $item_id) || (! $contact_id))
  62                 return;
  63
  64         $expire = false;
  65         $top_level = false;
  66         $recipients = array();
  67         $url_recipients = array();
  68
  69         $normal_mode = true;
  70
  71         $recipients[] = $contact_id;
  72
  73         if($cmd === 'expire') {
  74                 $normal_mode = false;
  75                 $expire = true;
  76                 $items = q("SELECT * FROM `item` WHERE `uid` = %d AND `wall` = 1
  77                         AND `deleted` = 1 AND `changed` > UTC_TIMESTAMP() - INTERVAL 30 MINUTE",
  78                         intval($item_id)
  79                 );
  80                 $uid = $item_id;
  81                 $item_id = 0;
  82                 if(! count($items))
  83                         return;
  84         }
  85         else {
  86
  87                 // find ancestors
  88                 $r = q("SELECT * FROM `item` WHERE `id` = %d and visible = 1 and moderated = 0 LIMIT 1",
  89                         intval($item_id)
  90                 );
  91
  92                 if((! count($r)) || (! intval($r[0]['parent']))) {
  93                         return;
  94                 }
  95
  96                 $target_item = $r[0];
  97                 $parent_id = intval($r[0]['parent']);
  98                 $uid = $r[0]['uid'];
  99                 $updated = $r[0]['edited'];
 100
 101                 if(! $parent_id)
 102                         return;
 103
 104
 105                 $items = q("SELECT `item`.*, `sign`.`signed_text`,`sign`.`signature`,`sign`.`signer`
 106                         FROM `item` LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id` WHERE `parent` = %d and visible = 1 and moderated = 0 ORDER BY `id` ASC",
 107                         intval($parent_id)
 108                 );
 109
 110                 if(! count($items)) {
 111                         return;
 112                 }
 113
 114                 $icontacts = null;
 115                 $contacts_arr = array();
 116                 foreach($items as $item)
 117                         if(! in_array($item['contact-id'],$contacts_arr))
 118                                 $contacts_arr[] = intval($item['contact-id']);
 119                 if(count($contacts_arr)) {
 120                         $str_contacts = implode(',',$contacts_arr);
 121                         $icontacts = q("SELECT * FROM `contact`
 122                                 WHERE `id` IN ( $str_contacts ) "
 123                         );
 124                 }
 125                 if( ! ($icontacts && count($icontacts)))
 126                         return;
 127
 128                 // avoid race condition with deleting entries
 129
 130                 if($items[0]['deleted']) {
 131                         foreach($items as $item)
 132                                 $item['deleted'] = 1;
 133                 }
 134
 135                 if((count($items) == 1) && ($items[0]['uri'] === $items[0]['parent-uri'])) {
 136                         logger('delivery: top level post');
 137                         $top_level = true;
 138                 }
 139         }
 140
 141         $r = q("SELECT `contact`.*, `user`.`pubkey` AS `upubkey`, `user`.`prvkey` AS `uprvkey`,
 142                 `user`.`timezone`, `user`.`nickname`, `user`.`sprvkey`, `user`.`spubkey`,
 143                 `user`.`page-flags`, `user`.`prvnets`
 144                 FROM `contact` LEFT JOIN `user` ON `user`.`uid` = `contact`.`uid`
 145                 WHERE `contact`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
 146                 intval($uid)
 147         );
 148
 149         if(! count($r))
 150                 return;
 151
 152         $owner = $r[0];
 153
 154         $walltowall = ((($top_level) && ($owner['id'] != $items[0]['contact-id'])) ? true : false);
 155
 156         $public_message = true;
 157
 158         // fill this in with a single salmon slap if applicable
 159
 160         $slap = '';
 161
 162         require_once('include/group.php');
 163
 164         $parent = $items[0];
 165
 166                 // This is IMPORTANT!!!!
 167
 168                 // We will only send a "notify owner to relay" or followup message if the referenced post
 169                 // originated on our system by virtue of having our hostname somewhere
 170                 // in the URI, AND it was a comment (not top_level) AND the parent originated elsewhere.
 171                 // if $parent['wall'] == 1 we will already have the parent message in our array
 172                 // and we will relay the whole lot.
 173
 174                 // expire sends an entire group of expire messages and cannot be forwarded.
 175                 // However the conversation owner will be a part of the conversation and will
 176                 // be notified during this run.
 177                 // Other DFRN conversation members will be alerted during polled updates.
 178
 179                 // Diaspora members currently are not notified of expirations, and other networks have
 180                 // either limited or no ability to process deletions. We should at least fix Diaspora
 181                 // by stringing togther an array of retractions and sending them onward.
 182
 183
 184         $localhost = $a->get_hostname();
 185         if(strpos($localhost,':'))
 186                 $localhost = substr($localhost,0,strpos($localhost,':'));
 187
 188                 /**
 189                  *
 190                  * Be VERY CAREFUL if you make any changes to the following line. Seemingly innocuous changes
 191                  * have been known to cause runaway conditions which affected several servers, along with
 192                  * permissions issues.
 193                  *
 194                  */
 195
 196         if((! $top_level) && ($parent['wall'] == 0) && (! $expire) && (stristr($target_item['uri'],$localhost))) {
 197                 logger('relay denied for delivery agent.');
 198
 199                 /* no relay allowed for direct contact delivery */
 200                 return;
 201         }
 202
 203         if((strlen($parent['allow_cid']))
 204                 || (strlen($parent['allow_gid']))
 205                 || (strlen($parent['deny_cid']))
 206                 || (strlen($parent['deny_gid']))) {
 207                 $public_message = false; // private recipients, not public
 208         }
 209
 210         $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `blocked` = 0 AND `pending` = 0",
 211                 intval($contact_id)
 212         );
 213
 214         if(count($r))
 215                 $contact = $r[0];
 216
 217         $hubxml = feed_hublinks();
 218
 219         logger('notifier: slaps: ' . print_r($slaps,true), LOGGER_DATA);
 220
 221         require_once('include/salmon.php');
 222
 223         if($contact['self'])
 224                 return;
 225
 226         $deliver_status = 0;
 227
 228         switch($contact['network']) {
 229
 230                 case NETWORK_DFRN :
 231                         logger('notifier: dfrndelivery: ' . $contact['name']);
 232
 233                         $feed_template = get_markup_template('atom_feed.tpl');
 234                         $mail_template = get_markup_template('atom_mail.tpl');
 235
 236                         $atom = '';
 237
 238
 239                         $birthday = feed_birthday($owner['uid'],$owner['timezone']);
 240
 241                         if(strlen($birthday))
 242                                 $birthday = '<dfrn:birthday>' . xmlify($birthday) . '</dfrn:birthday>';
 243
 244                         $atom .= replace_macros($feed_template, array(
 245                                         '$version'      => xmlify(FRIENDICA_VERSION),
 246                                         '$feed_id'      => xmlify($a->get_baseurl() . '/profile/' . $owner['nickname'] ),
 247                                         '$feed_title'   => xmlify($owner['name']),
 248                                         '$feed_updated' => xmlify(datetime_convert('UTC', 'UTC', $updated . '+00:00' , ATOM_TIME)) ,
 249                                         '$hub'          => $hubxml,
 250                                         '$salmon'       => '',  // private feed, we don't use salmon here
 251                                         '$name'         => xmlify($owner['name']),
 252                                         '$profile_page' => xmlify($owner['url']),
 253                                         '$photo'        => xmlify($owner['photo']),
 254                                         '$thumb'        => xmlify($owner['thumb']),
 255                                         '$picdate'      => xmlify(datetime_convert('UTC','UTC',$owner['avatar-date'] . '+00:00' , ATOM_TIME)) ,
 256                                         '$uridate'      => xmlify(datetime_convert('UTC','UTC',$owner['uri-date']    . '+00:00' , ATOM_TIME)) ,
 257                                         '$namdate'      => xmlify(datetime_convert('UTC','UTC',$owner['name-date']   . '+00:00' , ATOM_TIME)) ,
 258                                         '$birthday'     => $birthday
 259                         ));
 260
 261                         foreach($items as $item) {
 262                                 if(! $item['parent'])
 263                                         continue;
 264
 265                                 // private emails may be in included in public conversations. Filter them.
 266                                 if(($public_message) && $item['private'])
 267                                         continue;
 268
 269                                 $item_contact = get_item_contact($item,$icontacts);
 270                                 if(! $item_contact)
 271                                         continue;
 272
 273                                 if($normal_mode) {
 274                                         if($item_id == $item['id'] || $item['id'] == $item['parent'])
 275                                                 $atom .= atom_entry($item,'text',$item_contact,$owner,true);
 276                                 }
 277                                 else
 278                                         $atom .= atom_entry($item,'text',$item_contact,$owner,true);
 279
 280                         }
 281
 282                         $atom .= '</feed>' . "\r\n";
 283
 284                         logger('notifier: ' . $atom, LOGGER_DATA);
 285                         $basepath =  implode('/', array_slice(explode('/',$contact['url']),0,3));
 286
 287                         // perform local delivery if we are on the same site
 288
 289                         if(link_compare($basepath,$a->get_baseurl())) {
 290
 291                                 $nickname = basename($contact['url']);
 292                                 if($contact['issued-id'])
 293                                         $sql_extra = sprintf(" AND `dfrn-id` = '%s' ", dbesc($contact['issued-id']));
 294                                 else
 295                                         $sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($contact['dfrn-id']));
 296
 297                                 $x = q("SELECT  `contact`.*, `contact`.`uid` AS `importer_uid`,
 298                                         `contact`.`pubkey` AS `cpubkey`,
 299                                         `contact`.`prvkey` AS `cprvkey`,
 300                                         `contact`.`thumb` AS `thumb`,
 301                                         `contact`.`url` as `url`,
 302                                         `contact`.`name` as `senderName`,
 303                                         `user`.*
 304                                         FROM `contact`
 305                                         LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
 306                                         WHERE `contact`.`blocked` = 0 AND `contact`.`pending` = 0
 307                                         AND `contact`.`network` = '%s' AND `user`.`nickname` = '%s'
 308                                         $sql_extra
 309                                         AND `user`.`account_expired` = 0 LIMIT 1",
 310                                         dbesc(NETWORK_DFRN),
 311                                         dbesc($nickname)
 312                                 );
 313
 314                                 if(count($x)) {
 315                                         if($owner['page-flags'] == PAGE_COMMUNITY && ! $x[0]['writable']) {
 316                                                 q("update contact set writable = 1 where id = %d limit 1",
 317                                                         intval($x[0]['id'])
 318                                                 );
 319                                                 $x[0]['writable'] = 1;
 320                                         }
 321
 322                                         require_once('library/simplepie/simplepie.inc');
 323                                         logger('mod-delivery: local delivery');
 324                                         local_delivery($x[0],$atom);
 325                                         break;
 326                                 }
 327                         }
 328
 329                         $deliver_status = dfrn_deliver($owner,$contact,$atom);
 330
 331                         logger('notifier: dfrn_delivery returns ' . $deliver_status);
 332
 333                         if($deliver_status == (-1)) {
 334                                 logger('notifier: delivery failed: queuing message');
 335                                 add_to_queue($contact['id'],NETWORK_DFRN,$atom);
 336                         }
 337                         break;
 338
 339                 case NETWORK_OSTATUS :
 340
 341                         // Do not send to otatus if we are not configured to send to public networks
 342                         if($owner['prvnets'])
 343                                 break;
 344                         if(get_config('system','ostatus_disabled') || get_config('system','dfrn_only'))
 345                                 break;
 346
 347                         // only send salmon if public - e.g. if it's ok to notify
 348                         // a public hub, it's ok to send a salmon
 349
 350                         if(($public_message) && (! $expire)) {
 351                                 $slaps = array();
 352
 353                                 foreach($items as $item) {
 354                                         if(! $item['parent'])
 355                                                 continue;
 356
 357                                         // private emails may be in included in public conversations. Filter them.
 358                                         if(($public_message) && $item['private'])
 359                                                 continue;
 360
 361                                         $item_contact = get_item_contact($item,$icontacts);
 362                                         if(! $item_contact)
 363                                                 continue;
 364
 365                                         if(($top_level) && ($public_message) && ($item['author-link'] === $item['owner-link']) && (! $expire))
 366                                                 $slaps[] = atom_entry($item,'html',$item_contact,$owner,true);
 367                                 }
 368
 369                                 logger('notifier: slapdelivery: ' . $contact['name']);
 370                                 foreach($slaps as $slappy) {
 371                                         if($contact['notify']) {
 372                                                 $deliver_status = slapper($owner,$contact['notify'],$slappy);
 373                                                 if($deliver_status == (-1)) {
 374                                                         // queue message for redelivery
 375                                                         add_to_queue($contact['id'],NETWORK_OSTATUS,$slappy);
 376                                                 }
 377                                         }
 378                                 }
 379                         }
 380
 381                         break;
 382
 383                 case NETWORK_MAIL :
 384                 case NETWORK_MAIL2:
 385
 386                         if(get_config('system','dfrn_only'))
 387                                 break;
 388                         // WARNING: does not currently convert to RFC2047 header encodings, etc.
 389
 390                         $addr = $contact['addr'];
 391                         if(! strlen($addr))
 392                                 break;
 393
 394                         if($cmd === 'wall-new' || $cmd === 'comment-new') {
 395
 396                                 $it = null;
 397                                 if($cmd === 'wall-new')
 398                                         $it = $items[0];
 399                                 else {
 400                                         $r = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 401                                                 intval($argv[2]),
 402                                                 intval($uid)
 403                                         );
 404                                         if(count($r))
 405                                                 $it = $r[0];
 406                                 }
 407                                 if(! $it)
 408                                         break;
 409
 410
 411                                 $local_user = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
 412                                         intval($uid)
 413                                 );
 414                                 if(! count($local_user))
 415                                         break;
 416
 417                                 $reply_to = '';
 418                                 $r1 = q("SELECT * FROM `mailacct` WHERE `uid` = %d LIMIT 1",
 419                                         intval($uid)
 420                                 );
 421                                 if($r1 && $r1[0]['reply_to'])
 422                                         $reply_to = $r1[0]['reply_to'];
 423
 424                                 $subject  = (($it['title']) ? email_header_encode($it['title'],'UTF-8') : t("\x28no subject\x29")) ;
 425
 426                                 // only expose our real email address to true friends
 427
 428                                 if(($contact['rel'] == CONTACT_IS_FRIEND) && (! $contact['blocked']))
 429                                         $headers  = 'From: ' . email_header_encode($local_user[0]['username'],'UTF-8') . ' <' . $local_user[0]['email'] . '>' . "\n";
 430                                 else
 431                                         $headers  = 'From: ' . email_header_encode($local_user[0]['username'],'UTF-8') . ' <' . t('noreply') . '@' . $a->get_hostname() . '>' . "\n";
 432
 433                                 if($reply_to)
 434                                         $headers .= 'Reply-to: ' . $reply_to . "\n";
 435                                 $headers .= 'Message-id: <' . $it['uri'] . '>' . "\n";
 436                                 if($it['uri'] !== $it['parent-uri']) {
 437                                         $header .= 'References: <' . $it['parent-uri'] . '>' . "\n";
 438                                         if(! strlen($it['title'])) {
 439                                                 $r = q("SELECT `title` FROM `item` WHERE `parent-uri` = '%s' LIMIT 1",
 440                                                         dbesc($it['parent-uri'])
 441                                                 );
 442                                                 if(count($r)) {
 443                                                         $subtitle = $r[0]['title'];
 444                                                         if($subtitle) {
 445                                                                 if(strncasecmp($subtitle,'RE:',3))
 446                                                                         $subject = $subtitle;
 447                                                                 else
 448                                                                         $subject = 'Re: ' . $subtitle;
 449                                                         }
 450                                                 }
 451                                         }
 452                                 }
 453                                 $headers .= 'MIME-Version: 1.0' . "\n";
 454                                 $headers .= 'Content-Type: text/html; charset=UTF-8' . "\n";
 455                                 $headers .= 'Content-Transfer-Encoding: 8bit' . "\n\n";
 456                                 $html    = prepare_body($it);
 457                                 $message = '<html><body>' . $html . '</body></html>';
 458                                 logger('notifier: email delivery to ' . $addr);
 459                                 mail($addr, $subject, $message, $headers);
 460                         }
 461                         break;
 462
 463                 case NETWORK_DIASPORA :
 464                         if($public_message)
 465                                 $loc = 'public batch ' . $contact['batch'];
 466                         else
 467                                 $loc = $contact['name'];
 468
 469                         logger('delivery: diaspora batch deliver: ' . $loc);
 470
 471                         if(get_config('system','dfrn_only') || (! get_config('system','diaspora_enabled')) || (! $normal_mode))
 472                                 break;
 473
 474                         if((! $contact['pubkey']) && (! $public_message))
 475                                 break;
 476
 477                         if($target_item['verb'] === ACTIVITY_DISLIKE) {
 478                                 // unsupported
 479                                 break;
 480                         }
 481                         elseif(($target_item['deleted']) && ($target_item['verb'] !== ACTIVITY_LIKE)) {
 482                         logger('delivery: diaspora retract: ' . $loc);
 483                                 // diaspora delete,
 484                                 diaspora_send_retraction($target_item,$owner,$contact,$public_message);
 485                                 break;
 486                         }
 487                         elseif($target_item['parent'] != $target_item['id']) {
 488
 489                         logger('delivery: diaspora relay: ' . $loc);
 490
 491                                 // we are the relay - send comments, likes and unlikes to our conversants
 492                                 diaspora_send_relay($target_item,$owner,$contact,$public_message);
 493                                 break;
 494                         }
 495                         elseif(($top_level) && (! $walltowall)) {
 496                                 // currently no workable solution for sending walltowall
 497                                 logger('delivery: diaspora status: ' . $loc);
 498                                 diaspora_send_status($target_item,$owner,$contact,$public_message);
 499                                 break;
 500                         }
 501
 502                         logger('delivery: diaspora unknown mode: ' . $contact['name']);
 503
 504                         break;
 505
 506                 case NETWORK_FEED :
 507                 case NETWORK_FACEBOOK :
 508                         if(get_config('system','dfrn_only'))
 509                                 break;
 510                 default:
 511                         break;
 512         }
 513
 514         return;
 515 }
 516
 517 if (array_search(__file__,get_included_files())===0){
 518   delivery_run($argv,$argc);
 519   killme();
 520 }