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