include/delivery.php

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