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