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                 if(! count($r)){
  66                         return;
  67                 }
  68
  69                 $parent_id = $r[0]['parent'];
  70                 $uid = $r[0]['uid'];
  71                 $updated = $r[0]['edited'];
  72
  73                 $items = q("SELECT * FROM `item` WHERE `parent` = %d ORDER BY `id` ASC",
  74                         intval($parent_id)
  75                 );
  76
  77                 if(! count($items)){
  78                         return;
  79                 }
  80         }
  81
  82         $r = q("SELECT `contact`.*, `user`.`nickname`, `user`.`sprvkey`, `user`.`spubkey`, `user`.`page-flags`
  83                 FROM `contact` LEFT JOIN `user` ON `user`.`uid` = `contact`.`uid`
  84                 WHERE `contact`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
  85                 intval($uid)
  86         );
  87
  88         if(count($r))
  89                 $owner = $r[0];
  90         else {
  91                 return;
  92         }
  93         $hub = get_config('system','huburl');
  94
  95         // If this is a public conversation, notify the feed hub
  96         $notify_hub = true;
  97
  98         // fill this in with a single salmon slap if applicable
  99         $slap = '';
 100
 101         if($cmd != 'mail') {
 102
 103                 require_once('include/group.php');
 104
 105                 $parent = $items[0];
 106
 107                 if($parent['type'] === 'remote') {
 108                         // local followup to remote post
 109                         $followup = true;
 110                         $notify_hub = false; // not public
 111                         $conversant_str = dbesc($parent['contact-id']);
 112                 }
 113                 else {
 114                         $followup = false;
 115
 116                         if((strlen($parent['allow_cid']))
 117                                 || (strlen($parent['allow_gid']))
 118                                 || (strlen($parent['deny_cid']))
 119                                 || (strlen($parent['deny_gid']))) {
 120                                 $notify_hub = false; // private recipients, not public
 121                         }
 122
 123                         $allow_people = expand_acl($parent['allow_cid']);
 124                         $allow_groups = expand_groups(expand_acl($parent['allow_gid']));
 125                         $deny_people = expand_acl($parent['deny_cid']);
 126                         $deny_groups = expand_groups(expand_acl($parent['deny_gid']));
 127
 128                         $conversants = array();
 129
 130                         foreach($items as $item) {
 131                                 $recipients[] = $item['contact-id'];
 132                                 $conversants[] = $item['contact-id'];
 133                                 // pull out additional tagged people to notify (if public message)
 134                                 if($notify_hub && strlen($item['inform'])) {
 135                                         $people = explode(',',$item['inform']);
 136                                         foreach($people as $person) {
 137                                                 if(substr($person,0,4) === 'cid:') {
 138                                                         $recipients[] = intval(substr($person,4));
 139                                                         $conversants[] = intval(substr($person,4));
 140                                                 }
 141                                                 else {
 142                                                         $url_recipients[] = substr($person,4);
 143                                                 }
 144                                         }
 145                                 }
 146                         }
 147
 148                         logger('notifier: url_recipients' . print_r($url_recipients,true));
 149
 150                         $conversants = array_unique($conversants);
 151
 152
 153                         $recipients = array_unique(array_merge($recipients,$allow_people,$allow_groups));
 154                         $deny = array_unique(array_merge($deny_people,$deny_groups));
 155                         $recipients = array_diff($recipients,$deny);
 156
 157                         $conversant_str = dbesc(implode(', ',$conversants));
 158                 }
 159
 160                 $r = q("SELECT * FROM `contact` WHERE `id` IN ( $conversant_str ) AND `blocked` = 0 AND `pending` = 0");
 161
 162                 if( ! count($r)){
 163                         return;
 164                 }
 165
 166                 $contacts = $r;
 167         }
 168
 169         $feed_template = load_view_file('view/atom_feed.tpl');
 170         $mail_template = load_view_file('view/atom_mail.tpl');
 171
 172         $atom = '';
 173         $hubxml = '';
 174         $slaps = array();
 175
 176         if(strlen($hub)) {
 177                 $hubs = explode(',', $hub);
 178                 if(count($hubs)) {
 179                         foreach($hubs as $h) {
 180                                 $h = trim($h);
 181                                 if(! strlen($h))
 182                                         continue;
 183                                 $hubxml .= '<link rel="hub" href="' . xmlify($h) . '" />' . "\n" ;
 184                         }
 185                 }
 186         }
 187
 188         $atom .= replace_macros($feed_template, array(
 189                         '$version'      => xmlify(FRIENDIKA_VERSION),
 190                         '$feed_id'      => xmlify($a->get_baseurl() . '/profile/' . $owner['nickname'] ),
 191                         '$feed_title'   => xmlify($owner['name']),
 192                         '$feed_updated' => xmlify(datetime_convert('UTC', 'UTC', $updated . '+00:00' , ATOM_TIME)) ,
 193                         '$hub'          => $hubxml,
 194                         '$salmon'       => '',  // private feed, we don't use salmon here
 195                         '$name'         => xmlify($owner['name']),
 196                         '$profile_page' => xmlify($owner['url']),
 197                         '$photo'        => xmlify($owner['photo']),
 198                         '$thumb'        => xmlify($owner['thumb']),
 199                         '$picdate'      => xmlify(datetime_convert('UTC','UTC',$owner['avatar-date'] . '+00:00' , ATOM_TIME)) ,
 200                         '$uridate'      => xmlify(datetime_convert('UTC','UTC',$owner['uri-date']    . '+00:00' , ATOM_TIME)) ,
 201                         '$namdate'      => xmlify(datetime_convert('UTC','UTC',$owner['name-date']   . '+00:00' , ATOM_TIME)) ,
 202                         '$birthday'     => ''
 203         ));
 204
 205         if($cmd === 'mail') {
 206                 $notify_hub = false;  // mail is  not public
 207
 208                 $atom .= replace_macros($mail_template, array(
 209                         '$name'         => xmlify($owner['name']),
 210                         '$profile_page' => xmlify($owner['url']),
 211                         '$thumb'        => xmlify($owner['thumb']),
 212                         '$item_id'      => xmlify($item['uri']),
 213                         '$subject'      => xmlify($item['title']),
 214                         '$created'      => xmlify(datetime_convert('UTC', 'UTC', $item['created'] . '+00:00' , ATOM_TIME)),
 215                         '$content'      => xmlify($item['body']),
 216                         '$parent_id'    => xmlify($item['parent-uri'])
 217                 ));
 218         }
 219         else {
 220                 if($followup) {
 221                         foreach($items as $item) {  // there is only one item
 222                                 if($item['id'] == $item_id) {
 223                                         logger('notifier: followup: item: ' . print_r($item,true), LOGGER_DATA);
 224                                         $slap  = atom_entry($item,'html',$owner,$owner,false);
 225                                         $atom .= atom_entry($item,'text',$owner,$owner,false);
 226                                 }
 227                         }
 228                 }
 229                 else {
 230                         foreach($items as $item) {
 231                                 $contact = get_item_contact($item,$contacts);
 232                                 if(! $contact)
 233                                         continue;
 234
 235                                 $atom   .= atom_entry($item,'text',$contact,$owner,true);
 236
 237                                 // There's a problem here - we *were* going to use salmon to provide semi-authenticated
 238                                 // communication to OStatus, but unless we're the item author they won't verify.
 239                                 // commented out for now, though we'll still send local replies (and any mentions
 240                                 // that they contain) upstream. Rethinking the problem space.
 241
 242 //                              $slaps[] = atom_entry($item,'html',$contact,$owner,true);
 243                         }
 244                 }
 245         }
 246         $atom .= '</feed>' . "\r\n";
 247
 248         logger('notifier: ' . $atom, LOGGER_DATA);
 249
 250 //      logger('notifier: slaps: ' . print_r($slaps,true), LOGGER_DATA);
 251
 252         if($followup)
 253                 $recip_str = $parent['contact-id'];
 254         else
 255                 $recip_str = implode(', ', $recipients);
 256
 257
 258         $r = q("SELECT * FROM `contact` WHERE `id` IN ( %s ) AND `blocked` = 0 AND `pending` = 0 ",
 259                 dbesc($recip_str)
 260         );
 261         if(! count($r)){
 262                 return;
 263         }
 264         // delivery loop
 265
 266         require_once('include/salmon.php');
 267
 268         foreach($r as $contact) {
 269                 if($contact['self'])
 270                         continue;
 271
 272                 $deliver_status = 0;
 273
 274                 switch($contact['network']) {
 275                         case 'dfrn':
 276                                 logger('notifier: dfrndelivery: ' . $contact['name']);
 277                                 $deliver_status = dfrn_deliver($owner,$contact,$atom);
 278
 279                                 logger('notifier: dfrn_delivery returns ' . $deliver_status);
 280
 281                                 if($deliver_status == (-1)) {
 282                                         logger('notifier: delivery failed: queuing message');
 283                                         // queue message for redelivery
 284                                         q("INSERT INTO `queue` ( `cid`, `created`, `last`, `content`)
 285                                                 VALUES ( %d, '%s', '%s', '%s') ",
 286                                                 intval($contact['id']),
 287                                                 dbesc(datetime_convert()),
 288                                                 dbesc(datetime_convert()),
 289                                                 dbesc($atom)
 290                                         );
 291                                 }
 292                                 break;
 293                         case 'stat':
 294                                 if($followup && $contact['notify']) {
 295                                         logger('notifier: slapdelivery: ' . $contact['name']);
 296                                         $deliver_status = slapper($owner,$contact['notify'],$slap);
 297
 298                                         if($deliver_status == (-1)) {
 299                                                 // queue message for redelivery
 300                                                 q("INSERT INTO `queue` ( `cid`, `created`, `last`, `content`)
 301                                                         VALUES ( %d, '%s', '%s', '%s') ",
 302                                                         intval($contact['id']),
 303                                                         dbesc(datetime_convert()),
 304                                                         dbesc(datetime_convert()),
 305                                                         dbesc($slap)
 306                                                 );
 307
 308                                         }
 309
 310
 311                                 }
 312                                 else {
 313
 314                                         // only send salmon if public - e.g. if it's ok to notify
 315                                         // a public hub, it's ok to send a salmon
 316
 317                                         if(count($slaps) && $notify_hub) {
 318                                                 logger('notifier: slapdelivery: ' . $contact['name']);
 319                                                 foreach($slaps as $slappy) {
 320                                                         if($contact['notify']) {
 321                                                                 $deliver_status = slapper($owner,$contact['notify'],$slappy);
 322                                                                 if($deliver_status == (-1)) {
 323                                                                         // queue message for redelivery
 324                                                                         q("INSERT INTO `queue` ( `cid`, `created`, `last`, `content`)
 325                                                                                 VALUES ( %d, '%s', '%s', '%s') ",
 326                                                                                 intval($contact['id']),
 327                                                                                 dbesc(datetime_convert()),
 328                                                                                 dbesc(datetime_convert()),
 329                                                                                 dbesc($slappy)
 330                                                                         );
 331                                                                 }
 332                                                         }
 333                                                 }
 334                                         }
 335                                 }
 336                                 break;
 337                         case 'mail':
 338                         case 'dspr':
 339                         case 'feed':
 340                         default:
 341                                 break;
 342                 }
 343         }
 344
 345         // send additional slaps to mentioned remote tags (@foo@example.com)
 346
 347         if($slap && count($url_recipients) && $followup && $notify_hub) {
 348                 foreach($url_recipients as $url) {
 349                         if($url) {
 350                                 logger('notifier: urldelivery: ' . $url);
 351                                 $deliver_status = slapper($owner,$url,$slap);
 352                                 // TODO: redeliver/queue these items on failure, though there is no contact record
 353                         }
 354                 }
 355         }
 356
 357         if((strlen($hub)) && ($notify_hub)) {
 358                 $hubs = explode(',', $hub);
 359                 if(count($hubs)) {
 360                         foreach($hubs as $h) {
 361                                 $h = trim($h);
 362                                 if(! strlen($h))
 363                                         continue;
 364                                 $params = 'hub.mode=publish&hub.url=' . urlencode($a->get_baseurl() . '/dfrn_poll/' . $owner['nickname'] );
 365                                 post_url($h,$params);
 366                                 logger('pubsub: publish: ' . $h . ' ' . $params . ' returned ' . $a->get_curl_code());
 367                                 if(count($hubs) > 1)
 368                                         sleep(7);                               // try and avoid multiple hubs responding at precisely the same time
 369                         }
 370                 }
 371         }
 372
 373         if($notify_hub) {
 374
 375                 /**
 376                  *
 377                  * If you have less than 150 dfrn friends and it's a public message,
 378                  * we'll just go ahead and push them out securely with dfrn/rino.
 379                  * If you've got more than that, you'll have to rely on PuSH delivery.
 380                  *
 381                  */
 382
 383                 $max_allowed = ((get_config('system','maxpubdeliver') === false) ? 150 : intval(get_config('system','maxdeliver')));
 384
 385
 386                 /**
 387                  *
 388                  * Only get the bare essentials and go back for the full record.
 389                  * If you've got a lot of friends and we grab all the details at once it could exhaust memory.
 390                  *
 391                  */
 392
 393                 $r = q("SELECT `id`, `name` FROM `contact`
 394                         WHERE `network` = 'dfrn' AND `uid` = %d AND `blocked` = 0 AND `pending` = 0
 395                         AND `rel` != %d ",
 396                         intval($owner['uid']),
 397                         intval(REL_FAN)
 398                 );
 399
 400                 if((count($r)) && ($max_allowed < count($r))) {
 401                         foreach($r as $rr) {
 402
 403                                 /* Don't deliver to folks who have already been delivered to */
 404
 405                                 if(! in_array($rr['id'], $conversants)) {
 406                                         $n = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
 407                                                         intval($rr['id'])
 408                                         );
 409                                         if(count($n)) {
 410
 411                                                 logger('notifier: dfrnpubdelivery: ' . $n[0]['name']);
 412                                                 $deliver_status = dfrn_deliver($owner,$n[0],$atom);
 413                                         }
 414                                 }
 415                                 else
 416                                         logger('notifier: dfrnpubdelivery: ignoring ' . $rr['name']);
 417                         }
 418                 }
 419         }
 420
 421         return;
 422 }
 423
 424 if (array_search(__file__,get_included_files())===0){
 425   echo "run!";
 426   notifier_run($argv,$argc);
 427   killme();
 428 }