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