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($icontacts)))
 124                         return;
 125
 126                 // avoid race condition with deleting entries
 127
 128                 if($items[0]['deleted']) {
 129                         foreach($items as $item)
 130                                 $item['deleted'] = 1;
 131                 }
 132
 133                 if((count($items) == 1) && ($items[0]['uri'] === $items[0]['parent-uri'])) {
 134                         logger('delivery: top level post');
 135                         $top_level = true;
 136                 }
 137         }
 138
 139         $r = q("SELECT `contact`.*, `user`.`pubkey` AS `upubkey`, `user`.`prvkey` AS `uprvkey`,
 140                 `user`.`timezone`, `user`.`nickname`, `user`.`sprvkey`, `user`.`spubkey`,
 141                 `user`.`page-flags`, `user`.`prvnets`
 142                 FROM `contact` LEFT JOIN `user` ON `user`.`uid` = `contact`.`uid`
 143                 WHERE `contact`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
 144                 intval($uid)
 145         );
 146
 147         if(! count($r))
 148                 return;
 149
 150         $owner = $r[0];
 151
 152         $walltowall = ((($top_level) && ($owner['id'] != $items[0]['contact-id'])) ? true : false);
 153
 154         $public_message = true;
 155
 156         // fill this in with a single salmon slap if applicable
 157
 158         $slap = '';
 159
 160         require_once('include/group.php');
 161
 162         $parent = $items[0];
 163
 164                 // This is IMPORTANT!!!!
 165
 166                 // We will only send a "notify owner to relay" or followup message if the referenced post
 167                 // originated on our system by virtue of having our hostname somewhere
 168                 // in the URI, AND it was a comment (not top_level) AND the parent originated elsewhere.
 169                 // if $parent['wall'] == 1 we will already have the parent message in our array
 170                 // and we will relay the whole lot.
 171
 172                 // expire sends an entire group of expire messages and cannot be forwarded.
 173                 // However the conversation owner will be a part of the conversation and will
 174                 // be notified during this run.
 175                 // Other DFRN conversation members will be alerted during polled updates.
 176
 177                 // Diaspora members currently are not notified of expirations, and other networks have
 178                 // either limited or no ability to process deletions. We should at least fix Diaspora
 179                 // by stringing togther an array of retractions and sending them onward.
 180
 181
 182         $localhost = $a->get_hostname();
 183         if(strpos($localhost,':'))
 184                 $localhost = substr($localhost,0,strpos($localhost,':'));
 185
 186                 /**
 187                  *
 188                  * Be VERY CAREFUL if you make any changes to the following line. Seemingly innocuous changes
 189                  * have been known to cause runaway conditions which affected several servers, along with
 190                  * permissions issues.
 191                  *
 192                  */
 193
 194         if((! $top_level) && ($parent['wall'] == 0) && (! $expire) && (stristr($target_item['uri'],$localhost))) {
 195                 logger('relay denied for delivery agent.');
 196
 197                 /* no relay allowed for direct contact delivery */
 198                 return;
 199         }
 200
 201         if((strlen($parent['allow_cid']))
 202                 || (strlen($parent['allow_gid']))
 203                 || (strlen($parent['deny_cid']))
 204                 || (strlen($parent['deny_gid']))) {
 205                 $public_message = false; // private recipients, not public
 206         }
 207
 208         $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `blocked` = 0 AND `pending` = 0",
 209                 intval($contact_id)
 210         );
 211
 212         if(count($r))
 213                 $contact = $r[0];
 214
 215         $hubxml = feed_hublinks();
 216
 217         logger('notifier: slaps: ' . print_r($slaps,true), LOGGER_DATA);
 218
 219         require_once('include/salmon.php');
 220
 221         if($contact['self'])
 222                 return;
 223
 224         $deliver_status = 0;
 225
 226         switch($contact['network']) {
 227
 228                 case NETWORK_DFRN :
 229                         logger('notifier: dfrndelivery: ' . $contact['name']);
 230
 231                         $feed_template = get_markup_template('atom_feed.tpl');
 232                         $mail_template = get_markup_template('atom_mail.tpl');
 233
 234                         $atom = '';
 235
 236
 237                         $birthday = feed_birthday($owner['uid'],$owner['timezone']);
 238
 239                         if(strlen($birthday))
 240                                 $birthday = '<dfrn:birthday>' . xmlify($birthday) . '</dfrn:birthday>';
 241
 242                         $atom .= replace_macros($feed_template, array(
 243                                         '$version'      => xmlify(FRIENDIKA_VERSION),
 244                                         '$feed_id'      => xmlify($a->get_baseurl() . '/profile/' . $owner['nickname'] ),
 245                                         '$feed_title'   => xmlify($owner['name']),
 246                                         '$feed_updated' => xmlify(datetime_convert('UTC', 'UTC', $updated . '+00:00' , ATOM_TIME)) ,
 247                                         '$hub'          => $hubxml,
 248                                         '$salmon'       => '',  // private feed, we don't use salmon here
 249                                         '$name'         => xmlify($owner['name']),
 250                                         '$profile_page' => xmlify($owner['url']),
 251                                         '$photo'        => xmlify($owner['photo']),
 252                                         '$thumb'        => xmlify($owner['thumb']),
 253                                         '$picdate'      => xmlify(datetime_convert('UTC','UTC',$owner['avatar-date'] . '+00:00' , ATOM_TIME)) ,
 254                                         '$uridate'      => xmlify(datetime_convert('UTC','UTC',$owner['uri-date']    . '+00:00' , ATOM_TIME)) ,
 255                                         '$namdate'      => xmlify(datetime_convert('UTC','UTC',$owner['name-date']   . '+00:00' , ATOM_TIME)) ,
 256                                         '$birthday'     => $birthday
 257                         ));
 258
 259                         foreach($items as $item) {
 260                                 if(! $item['parent'])
 261                                         continue;
 262
 263                                 // private emails may be in included in public conversations. Filter them.
 264                                 if(($public_message) && $item['private'])
 265                                         continue;
 266
 267                                 $item_contact = get_item_contact($item,$icontacts);
 268                                 if(! $item_contact)
 269                                         continue;
 270
 271                                 if($normal_mode) {
 272                                         if($item_id == $item['id'] || $item['id'] == $item['parent'])
 273                                                 $atom .= atom_entry($item,'text',$item_contact,$owner,true);
 274                                 }
 275                                 else
 276                                         $atom .= atom_entry($item,'text',$item_contact,$owner,true);
 277
 278                         }
 279
 280                         $atom .= '</feed>' . "\r\n";
 281
 282                         logger('notifier: ' . $atom, LOGGER_DATA);
 283
 284                         $deliver_status = dfrn_deliver($owner,$contact,$atom);
 285
 286                         logger('notifier: dfrn_delivery returns ' . $deliver_status);
 287
 288                         if($deliver_status == (-1)) {
 289                                 logger('notifier: delivery failed: queuing message');
 290                                 // queue message for redelivery
 291                                 q("INSERT INTO `queue` ( `cid`, `created`, `last`, `content`)
 292                                         VALUES ( %d, '%s', '%s', '%s') ",
 293                                         intval($contact['id']),
 294                                         dbesc(datetime_convert()),
 295                                         dbesc(datetime_convert()),
 296                                         dbesc($atom)
 297                                 );
 298                         }
 299                         break;
 300
 301                 case NETWORK_OSTATUS :
 302
 303                         // Do not send to otatus if we are not configured to send to public networks
 304                         if($owner['prvnets'])
 305                                 break;
 306                         if(get_config('system','ostatus_disabled') || get_config('system','dfrn_only'))
 307                                 break;
 308
 309                         // only send salmon if public - e.g. if it's ok to notify
 310                         // a public hub, it's ok to send a salmon
 311
 312                         if(($public_message) && (! $expire)) {
 313                                 $slaps = array();
 314
 315                                 foreach($items as $item) {
 316                                         if(! $item['parent'])
 317                                                 continue;
 318
 319                                         // private emails may be in included in public conversations. Filter them.
 320                                         if(($public_message) && $item['private'])
 321                                                 continue;
 322
 323                                         $item_contact = get_item_contact($item,$icontacts);
 324                                         if(! $item_contact)
 325                                                 continue;
 326
 327                                         if(($top_level) && ($public_message) && ($item['author-link'] === $item['owner-link']) && (! $expire))
 328                                                 $slaps[] = atom_entry($item,'html',$item_contact,$owner,true);
 329                                 }
 330
 331                                 logger('notifier: slapdelivery: ' . $contact['name']);
 332                                 foreach($slaps as $slappy) {
 333                                         if($contact['notify']) {
 334                                                 $deliver_status = slapper($owner,$contact['notify'],$slappy);
 335                                                 if($deliver_status == (-1)) {
 336                                                         // queue message for redelivery
 337                                                         q("INSERT INTO `queue` ( `cid`, `created`, `last`, `content`)
 338                                                                 VALUES ( %d, '%s', '%s', '%s') ",
 339                                                                 intval($contact['id']),
 340                                                                 dbesc(datetime_convert()),
 341                                                                 dbesc(datetime_convert()),
 342                                                                 dbesc($slappy)
 343                                                         );
 344                                                 }
 345                                         }
 346                                 }
 347                         }
 348
 349                         break;
 350
 351                 case NETWORK_MAIL :
 352
 353                         if(get_config('system','dfrn_only'))
 354                                 break;
 355                         // WARNING: does not currently convert to RFC2047 header encodings, etc.
 356
 357                         $addr = $contact['addr'];
 358                         if(! strlen($addr))
 359                                 break;
 360
 361                         if($cmd === 'wall-new' || $cmd === 'comment-new') {
 362
 363                                 $it = null;
 364                                 if($cmd === 'wall-new')
 365                                         $it = $items[0];
 366                                 else {
 367                                         $r = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 368                                                 intval($argv[2]),
 369                                                 intval($uid)
 370                                         );
 371                                         if(count($r))
 372                                                 $it = $r[0];
 373                                 }
 374                                 if(! $it)
 375                                         break;
 376
 377
 378                                 $local_user = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
 379                                         intval($uid)
 380                                 );
 381                                 if(! count($local_user))
 382                                         break;
 383
 384                                 $reply_to = '';
 385                                 $r1 = q("SELECT * FROM `mailacct` WHERE `uid` = %d LIMIT 1",
 386                                         intval($uid)
 387                                 );
 388                                 if($r1 && $r1[0]['reply_to'])
 389                                         $reply_to = $r1[0]['reply_to'];
 390
 391                                 $subject  = (($it['title']) ? $it['title'] : t("\x28no subject\x29")) ;
 392                                 $headers  = 'From: ' . $local_user[0]['username'] . ' <' . $local_user[0]['email'] . '>' . "\n";
 393                                 if($reply_to)
 394                                         $headers .= 'Reply-to: ' . $reply_to . "\n";
 395                                 $headers .= 'Message-id: <' . $it['uri'] . '>' . "\n";
 396                                 if($it['uri'] !== $it['parent-uri']) {
 397                                         $header .= 'References: <' . $it['parent-uri'] . '>' . "\n";
 398                                         if(! strlen($it['title'])) {
 399                                                 $r = q("SELECT `title` FROM `item` WHERE `parent-uri` = '%s' LIMIT 1",
 400                                                         dbesc($it['parent-uri'])
 401                                                 );
 402                                                 if(count($r)) {
 403                                                         $subtitle = $r[0]['title'];
 404                                                         if($subtitle) {
 405                                                                 if(strncasecmp($subtitle,'RE:',3))
 406                                                                         $subject = $subtitle;
 407                                                                 else
 408                                                                         $subject = 'Re: ' . $subtitle;
 409                                                         }
 410                                                 }
 411                                         }
 412                                 }
 413                                 $headers .= 'MIME-Version: 1.0' . "\n";
 414                                 $headers .= 'Content-Type: text/html; charset=UTF-8' . "\n";
 415                                 $headers .= 'Content-Transfer-Encoding: 8bit' . "\n\n";
 416                                 $html    = prepare_body($it);
 417                                 $message = '<html><body>' . $html . '</body></html>';
 418                                 logger('notifier: email delivery to ' . $addr);
 419                                 mail($addr, $subject, $message, $headers);
 420                         }
 421                         break;
 422
 423                 case NETWORK_DIASPORA :
 424                         if($public_message)
 425                                 $loc = 'public batch ' . $contact['batch'];
 426                         else
 427                                 $loc = $contact['name'];
 428
 429                         logger('delivery: diaspora batch deliver: ' . $loc);
 430
 431                         if(get_config('system','dfrn_only') || (! get_config('system','diaspora_enabled')) || (! $normal_mode))
 432                                 break;
 433
 434                         if((! $contact['pubkey']) && (! $public_message))
 435                                 break;
 436
 437                         if($target_item['verb'] === ACTIVITY_DISLIKE) {
 438                                 // unsupported
 439                                 break;
 440                         }
 441                         elseif(($target_item['deleted']) && ($target_item['verb'] !== ACTIVITY_LIKE)) {
 442                         logger('delivery: diaspora retract: ' . $loc);
 443                                 // diaspora delete,
 444                                 diaspora_send_retraction($target_item,$owner,$contact,$public_message);
 445                                 break;
 446                         }
 447                         elseif($target_item['parent'] != $target_item['id']) {
 448
 449                         logger('delivery: diaspora relay: ' . $loc);
 450
 451                                 // we are the relay - send comments, likes and unlikes to our conversants
 452                                 diaspora_send_relay($target_item,$owner,$contact,$public_message);
 453                                 break;
 454                         }
 455                         elseif(($top_level) && (! $walltowall)) {
 456                                 // currently no workable solution for sending walltowall
 457                                 logger('delivery: diaspora status: ' . $loc);
 458                                 diaspora_send_status($target_item,$owner,$contact,$public_message);
 459                                 break;
 460                         }
 461
 462                         logger('delivery: diaspora unknown mode: ' . $contact['name']);
 463
 464                         break;
 465
 466                 case NETWORK_FEED :
 467                 case NETWORK_FACEBOOK :
 468                         if(get_config('system','dfrn_only'))
 469                                 break;
 470                 default:
 471                         break;
 472         }
 473
 474         return;
 475 }
 476
 477 if (array_search(__file__,get_included_files())===0){
 478   delivery_run($argv,$argc);
 479   killme();
 480 }