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