include/notifier.php

   1 <?php
   2 require_once("boot.php");
   3
   4 function notifier_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, $db_data);
  16         }
  17
  18         require_once("session.php");
  19         require_once("datetime.php");
  20         require_once('include/items.php');
  21         require_once('include/bbcode.php');
  22
  23         if($argc < 3)
  24                 return;
  25
  26         $a->set_baseurl(get_config('system','url'));
  27
  28         logger('notifier: invoked: ' . print_r($argv,true));
  29
  30         $cmd = $argv[1];
  31
  32         switch($cmd) {
  33
  34                 case 'mail':
  35                 default:
  36                         $item_id = intval($argv[2]);
  37                         if(! $item_id){
  38                                 return;
  39                         }
  40                         break;
  41         }
  42
  43         $recipients = array();
  44         $url_recipients = array();
  45
  46         if($cmd === 'mail') {
  47
  48                 $message = q("SELECT * FROM `mail` WHERE `id` = %d LIMIT 1",
  49                                 intval($item_id)
  50                 );
  51                 if(! count($message)){
  52                         return;
  53                 }
  54                 $uid = $message[0]['uid'];
  55                 $recipients[] = $message[0]['contact-id'];
  56                 $item = $message[0];
  57
  58         }
  59         else {
  60
  61                 // find ancestors
  62                 $r = q("SELECT `parent`, `uid`, `edited` FROM `item` WHERE `id` = %d LIMIT 1",
  63                         intval($item_id)
  64                 );
  65
  66                 if((! count($r)) || (! intval($r[0]['parent']))) {
  67                         return;
  68                 }
  69
  70                 $parent_id = intval($r[0]['parent']);
  71                 $uid = $r[0]['uid'];
  72                 $updated = $r[0]['edited'];
  73
  74                 $items = q("SELECT * FROM `item` WHERE `parent` = %d ORDER BY `id` ASC",
  75                         intval($parent_id)
  76                 );
  77
  78                 if(! count($items)){
  79                         return;
  80                 }
  81
  82                 // avoid race condition with deleting entries
  83
  84                 if($items[0]['deleted']) {
  85                         foreach($items as $item)
  86                                 $item['deleted'] = 1;
  87
  88         }
  89
  90         $r = q("SELECT `contact`.*, `user`.`nickname`, `user`.`sprvkey`, `user`.`spubkey`, `user`.`page-flags`
  91                 FROM `contact` LEFT JOIN `user` ON `user`.`uid` = `contact`.`uid`
  92                 WHERE `contact`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
  93                 intval($uid)
  94         );
  95
  96         if(count($r))
  97                 $owner = $r[0];
  98         else {
  99                 return;
 100         }
 101         $hub = get_config('system','huburl');
 102
 103         // If this is a public conversation, notify the feed hub
 104         $notify_hub = true;
 105
 106         // fill this in with a single salmon slap if applicable
 107         $slap = '';
 108
 109         if($cmd != 'mail') {
 110
 111                 require_once('include/group.php');
 112
 113                 $parent = $items[0];
 114
 115                 if($parent['type'] === 'remote') {
 116                         // local followup to remote post
 117                         $followup = true;
 118                         $notify_hub = false; // not public
 119                         $conversant_str = dbesc($parent['contact-id']);
 120                 }
 121                 else {
 122                         $followup = false;
 123
 124                         if((strlen($parent['allow_cid']))
 125                                 || (strlen($parent['allow_gid']))
 126                                 || (strlen($parent['deny_cid']))
 127                                 || (strlen($parent['deny_gid']))) {
 128                                 $notify_hub = false; // private recipients, not public
 129                         }
 130
 131                         $allow_people = expand_acl($parent['allow_cid']);
 132                         $allow_groups = expand_groups(expand_acl($parent['allow_gid']));
 133                         $deny_people  = expand_acl($parent['deny_cid']);
 134                         $deny_groups  = expand_groups(expand_acl($parent['deny_gid']));
 135
 136                         $conversants = array();
 137
 138                         foreach($items as $item) {
 139                                 $recipients[] = $item['contact-id'];
 140                                 $conversants[] = $item['contact-id'];
 141                                 // pull out additional tagged people to notify (if public message)
 142                                 if($notify_hub && strlen($item['inform'])) {
 143                                         $people = explode(',',$item['inform']);
 144                                         foreach($people as $person) {
 145                                                 if(substr($person,0,4) === 'cid:') {
 146                                                         $recipients[] = intval(substr($person,4));
 147                                                         $conversants[] = intval(substr($person,4));
 148                                                 }
 149                                                 else {
 150                                                         $url_recipients[] = substr($person,4);
 151                                                 }
 152                                         }
 153                                 }
 154                         }
 155
 156                         logger('notifier: url_recipients' . print_r($url_recipients,true));
 157
 158                         $conversants = array_unique($conversants);
 159
 160
 161                         $recipients = array_unique(array_merge($recipients,$allow_people,$allow_groups));
 162                         $deny = array_unique(array_merge($deny_people,$deny_groups));
 163                         $recipients = array_diff($recipients,$deny);
 164
 165                         $conversant_str = dbesc(implode(', ',$conversants));
 166                 }
 167
 168                 $r = q("SELECT * FROM `contact` WHERE `id` IN ( $conversant_str ) AND `blocked` = 0 AND `pending` = 0");
 169
 170 //              if( ! count($r)){
 171 //                      return;
 172 //              }
 173
 174                 if(count($r))
 175                         $contacts = $r;
 176         }
 177
 178         $feed_template = load_view_file('view/atom_feed.tpl');
 179         $mail_template = load_view_file('view/atom_mail.tpl');
 180
 181         $atom = '';
 182         $hubxml = '';
 183         $slaps = array();
 184
 185         if(strlen($hub)) {
 186                 $hubs = explode(',', $hub);
 187                 if(count($hubs)) {
 188                         foreach($hubs as $h) {
 189                                 $h = trim($h);
 190                                 if(! strlen($h))
 191                                         continue;
 192                                 $hubxml .= '<link rel="hub" href="' . xmlify($h) . '" />' . "\n" ;
 193                         }
 194                 }
 195         }
 196
 197         $atom .= replace_macros($feed_template, array(
 198                         '$version'      => xmlify(FRIENDIKA_VERSION),
 199                         '$feed_id'      => xmlify($a->get_baseurl() . '/profile/' . $owner['nickname'] ),
 200                         '$feed_title'   => xmlify($owner['name']),
 201                         '$feed_updated' => xmlify(datetime_convert('UTC', 'UTC', $updated . '+00:00' , ATOM_TIME)) ,
 202                         '$hub'          => $hubxml,
 203                         '$salmon'       => '',  // private feed, we don't use salmon here
 204                         '$name'         => xmlify($owner['name']),
 205                         '$profile_page' => xmlify($owner['url']),
 206                         '$photo'        => xmlify($owner['photo']),
 207                         '$thumb'        => xmlify($owner['thumb']),
 208                         '$picdate'      => xmlify(datetime_convert('UTC','UTC',$owner['avatar-date'] . '+00:00' , ATOM_TIME)) ,
 209                         '$uridate'      => xmlify(datetime_convert('UTC','UTC',$owner['uri-date']    . '+00:00' , ATOM_TIME)) ,
 210                         '$namdate'      => xmlify(datetime_convert('UTC','UTC',$owner['name-date']   . '+00:00' , ATOM_TIME)) ,
 211                         '$birthday'     => ''
 212         ));
 213
 214         if($cmd === 'mail') {
 215                 $notify_hub = false;  // mail is  not public
 216
 217                 $atom .= replace_macros($mail_template, array(
 218                         '$name'         => xmlify($owner['name']),
 219                         '$profile_page' => xmlify($owner['url']),
 220                         '$thumb'        => xmlify($owner['thumb']),
 221                         '$item_id'      => xmlify($item['uri']),
 222                         '$subject'      => xmlify($item['title']),
 223                         '$created'      => xmlify(datetime_convert('UTC', 'UTC', $item['created'] . '+00:00' , ATOM_TIME)),
 224                         '$content'      => xmlify($item['body']),
 225                         '$parent_id'    => xmlify($item['parent-uri'])
 226                 ));
 227         }
 228         else {
 229                 if($followup) {
 230                         foreach($items as $item) {  // there is only one item
 231                                 if(! $item['parent'])
 232                                         continue;
 233                                 if($item['id'] == $item_id) {
 234                                         logger('notifier: followup: item: ' . print_r($item,true), LOGGER_DATA);
 235                                         $slap  = atom_entry($item,'html',$owner,$owner,false);
 236                                         $atom .= atom_entry($item,'text',$owner,$owner,false);
 237                                 }
 238                         }
 239                 }
 240                 else {
 241                         foreach($items as $item) {
 242                                 if(! $item['parent'])
 243                                         continue;
 244
 245                                 $contact = get_item_contact($item,$contacts);
 246                                 if(! $contact)
 247                                         continue;
 248
 249                                 $atom   .= atom_entry($item,'text',$contact,$owner,true);
 250
 251                                 // There's a problem here - we *were* going to use salmon to provide semi-authenticated
 252                                 // communication to OStatus, but unless we're the item author they won't verify.
 253                                 // commented out for now, though we'll still send local replies (and any mentions
 254                                 // that they contain) upstream. Rethinking the problem space.
 255
 256 //                              $slaps[] = atom_entry($item,'html',$contact,$owner,true);
 257                         }
 258                 }
 259         }
 260         $atom .= '</feed>' . "\r\n";
 261
 262         logger('notifier: ' . $atom, LOGGER_DATA);
 263
 264 //      logger('notifier: slaps: ' . print_r($slaps,true), LOGGER_DATA);
 265
 266         if($followup)
 267                 $recip_str = $parent['contact-id'];
 268         else
 269                 $recip_str = implode(', ', $recipients);
 270
 271
 272         $r = q("SELECT * FROM `contact` WHERE `id` IN ( %s ) AND `blocked` = 0 AND `pending` = 0 ",
 273                 dbesc($recip_str)
 274         );
 275
 276         // delivery loop
 277
 278         require_once('include/salmon.php');
 279
 280         if(count($r)) {
 281                 foreach($r as $contact) {
 282                         if($contact['self'])
 283                                 continue;
 284
 285                         $deliver_status = 0;
 286
 287                         switch($contact['network']) {
 288                                 case 'dfrn':
 289                                         logger('notifier: dfrndelivery: ' . $contact['name']);
 290                                         $deliver_status = dfrn_deliver($owner,$contact,$atom);
 291
 292                                         logger('notifier: dfrn_delivery returns ' . $deliver_status);
 293
 294                                         if($deliver_status == (-1)) {
 295                                                 logger('notifier: delivery failed: queuing message');
 296                                                 // queue message for redelivery
 297                                                 q("INSERT INTO `queue` ( `cid`, `created`, `last`, `content`)
 298                                                         VALUES ( %d, '%s', '%s', '%s') ",
 299                                                         intval($contact['id']),
 300                                                         dbesc(datetime_convert()),
 301                                                         dbesc(datetime_convert()),
 302                                                         dbesc($atom)
 303                                                 );
 304                                         }
 305                                         break;
 306                                 case 'stat':
 307                                         if($followup && $contact['notify']) {
 308                                                 logger('notifier: slapdelivery: ' . $contact['name']);
 309                                                 $deliver_status = slapper($owner,$contact['notify'],$slap);
 310
 311                                                 if($deliver_status == (-1)) {
 312                                                         // queue message for redelivery
 313                                                         q("INSERT INTO `queue` ( `cid`, `created`, `last`, `content`)
 314                                                                 VALUES ( %d, '%s', '%s', '%s') ",
 315                                                                 intval($contact['id']),
 316                                                                 dbesc(datetime_convert()),
 317                                                                 dbesc(datetime_convert()),
 318                                                                 dbesc($slap)
 319                                                         );
 320
 321                                                 }
 322
 323
 324                                         }
 325                                         else {
 326
 327                                                 // only send salmon if public - e.g. if it's ok to notify
 328                                                 // a public hub, it's ok to send a salmon
 329
 330                                                 if(count($slaps) && $notify_hub) {
 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($slappy)
 343                                                                                 );
 344                                                                         }
 345                                                                 }
 346                                                         }
 347                                                 }
 348                                         }
 349                                         break;
 350                                 case 'mail':
 351                                 case 'dspr':
 352                                 case 'feed':
 353                                 default:
 354                                         break;
 355                         }
 356                 }
 357         }
 358
 359         // send additional slaps to mentioned remote tags (@foo@example.com)
 360
 361         if($slap && count($url_recipients) && $followup && $notify_hub) {
 362                 foreach($url_recipients as $url) {
 363                         if($url) {
 364                                 logger('notifier: urldelivery: ' . $url);
 365                                 $deliver_status = slapper($owner,$url,$slap);
 366                                 // TODO: redeliver/queue these items on failure, though there is no contact record
 367                         }
 368                 }
 369         }
 370
 371         if((strlen($hub)) && ($notify_hub)) {
 372                 $hubs = explode(',', $hub);
 373                 if(count($hubs)) {
 374                         foreach($hubs as $h) {
 375                                 $h = trim($h);
 376                                 if(! strlen($h))
 377                                         continue;
 378                                 $params = 'hub.mode=publish&hub.url=' . urlencode($a->get_baseurl() . '/dfrn_poll/' . $owner['nickname'] );
 379                                 post_url($h,$params);
 380                                 logger('pubsub: publish: ' . $h . ' ' . $params . ' returned ' . $a->get_curl_code());
 381                                 if(count($hubs) > 1)
 382                                         sleep(7);                               // try and avoid multiple hubs responding at precisely the same time
 383                         }
 384                 }
 385         }
 386
 387         if($notify_hub) {
 388
 389                 /**
 390                  *
 391                  * If you have less than 150 dfrn friends and it's a public message,
 392                  * we'll just go ahead and push them out securely with dfrn/rino.
 393                  * If you've got more than that, you'll have to rely on PuSH delivery.
 394                  *
 395                  */
 396
 397                 $max_allowed = ((get_config('system','maxpubdeliver') === false) ? 150 : intval(get_config('system','maxdeliver')));
 398
 399                 /**
 400                  *
 401                  * Only get the bare essentials and go back for the full record.
 402                  * If you've got a lot of friends and we grab all the details at once it could exhaust memory.
 403                  *
 404                  */
 405
 406                 $r = q("SELECT `id`, `name` FROM `contact`
 407                         WHERE `network` = 'dfrn' AND `uid` = %d AND `blocked` = 0 AND `pending` = 0
 408                         AND `rel` != %d ",
 409                         intval($owner['uid']),
 410                         intval(REL_FAN)
 411                 );
 412
 413                 if((count($r)) && (($max_allowed == 0) || (count($r) < $max_allowed))) {
 414
 415                         foreach($r as $rr) {
 416
 417                                 /* Don't deliver to folks who have already been delivered to */
 418
 419                                 if(! in_array($rr['id'], $conversants)) {
 420                                         $n = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
 421                                                         intval($rr['id'])
 422                                         );
 423
 424                                         if(count($n)) {
 425
 426                                                 logger('notifier: dfrnpubdelivery: ' . $n[0]['name']);
 427                                                 $deliver_status = dfrn_deliver($owner,$n[0],$atom);
 428                                         }
 429                                 }
 430                                 else
 431                                         logger('notifier: dfrnpubdelivery: ignoring ' . $rr['name']);
 432                         }
 433                 }
 434         }
 435
 436         return;
 437 }
 438
 439 if (array_search(__file__,get_included_files())===0){
 440   echo "run!";
 441   notifier_run($argv,$argc);
 442   killme();
 443 }