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         $top_level = false;
  44         $recipients = array();
  45         $url_recipients = array();
  46
  47         if($cmd === 'mail') {
  48
  49                 $message = q("SELECT * FROM `mail` WHERE `id` = %d LIMIT 1",
  50                                 intval($item_id)
  51                 );
  52                 if(! count($message)){
  53                         return;
  54                 }
  55                 $uid = $message[0]['uid'];
  56                 $recipients[] = $message[0]['contact-id'];
  57                 $item = $message[0];
  58
  59         }
  60         else {
  61
  62                 // find ancestors
  63                 $r = q("SELECT `parent`, `uid`, `edited` FROM `item` WHERE `id` = %d LIMIT 1",
  64                         intval($item_id)
  65                 );
  66
  67                 if((! count($r)) || (! intval($r[0]['parent']))) {
  68                         return;
  69                 }
  70
  71                 $parent_id = intval($r[0]['parent']);
  72                 $uid = $r[0]['uid'];
  73                 $updated = $r[0]['edited'];
  74
  75                 $items = q("SELECT * FROM `item` WHERE `parent` = %d ORDER BY `id` ASC",
  76                         intval($parent_id)
  77                 );
  78
  79                 if(! count($items)){
  80                         return;
  81                 }
  82
  83
  84                 // avoid race condition with deleting entries
  85
  86                 if($items[0]['deleted']) {
  87                         foreach($items as $item)
  88                                 $item['deleted'] = 1;
  89                 }
  90
  91                 if(count($items) == 1 && $items[0]['uri'] === $items[0]['parent-uri'])
  92                         $top_level = true;
  93         }
  94
  95         $r = q("SELECT `contact`.*, `user`.`timezone`, `user`.`nickname`, `user`.`sprvkey`, `user`.`spubkey`, `user`.`page-flags`
  96                 FROM `contact` LEFT JOIN `user` ON `user`.`uid` = `contact`.`uid`
  97                 WHERE `contact`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
  98                 intval($uid)
  99         );
 100
 101         if(count($r))
 102                 $owner = $r[0];
 103         else {
 104                 return;
 105         }
 106         $hub = get_config('system','huburl');
 107
 108         // If this is a public conversation, notify the feed hub
 109         $notify_hub = true;
 110
 111         // fill this in with a single salmon slap if applicable
 112         $slap = '';
 113
 114         if($cmd != 'mail') {
 115
 116                 require_once('include/group.php');
 117
 118                 $parent = $items[0];
 119
 120                 if($parent['type'] === 'remote') {
 121                         // local followup to remote post
 122                         $followup = true;
 123                         $notify_hub = false; // not public
 124                         $conversant_str = dbesc($parent['contact-id']);
 125                 }
 126                 else {
 127                         $followup = false;
 128
 129                         if((strlen($parent['allow_cid']))
 130                                 || (strlen($parent['allow_gid']))
 131                                 || (strlen($parent['deny_cid']))
 132                                 || (strlen($parent['deny_gid']))) {
 133                                 $notify_hub = false; // private recipients, not public
 134                         }
 135
 136                         $allow_people = expand_acl($parent['allow_cid']);
 137                         $allow_groups = expand_groups(expand_acl($parent['allow_gid']));
 138                         $deny_people  = expand_acl($parent['deny_cid']);
 139                         $deny_groups  = expand_groups(expand_acl($parent['deny_gid']));
 140
 141                         $conversants = array();
 142
 143                         foreach($items as $item) {
 144                                 $recipients[] = $item['contact-id'];
 145                                 $conversants[] = $item['contact-id'];
 146                                 // pull out additional tagged people to notify (if public message)
 147                                 if($notify_hub && strlen($item['inform'])) {
 148                                         $people = explode(',',$item['inform']);
 149                                         foreach($people as $person) {
 150                                                 if(substr($person,0,4) === 'cid:') {
 151                                                         $recipients[] = intval(substr($person,4));
 152                                                         $conversants[] = intval(substr($person,4));
 153                                                 }
 154                                                 else {
 155                                                         $url_recipients[] = substr($person,4);
 156                                                 }
 157                                         }
 158                                 }
 159                         }
 160
 161                         logger('notifier: url_recipients' . print_r($url_recipients,true));
 162
 163                         $conversants = array_unique($conversants);
 164
 165
 166                         $recipients = array_unique(array_merge($recipients,$allow_people,$allow_groups));
 167                         $deny = array_unique(array_merge($deny_people,$deny_groups));
 168                         $recipients = array_diff($recipients,$deny);
 169
 170                         $conversant_str = dbesc(implode(', ',$conversants));
 171                 }
 172
 173                 $r = q("SELECT * FROM `contact` WHERE `id` IN ( $conversant_str ) AND `blocked` = 0 AND `pending` = 0");
 174
 175
 176                 if(count($r))
 177                         $contacts = $r;
 178         }
 179
 180         $feed_template = load_view_file('view/atom_feed.tpl');
 181         $mail_template = load_view_file('view/atom_mail.tpl');
 182
 183         $atom = '';
 184         $slaps = array();
 185
 186         $hubxml = feed_hublinks();
 187
 188         $birthday = feed_birthday($owner['uid'],$owner['timezone']);
 189
 190         if(strlen($birthday))
 191                 $birthday = '<dfrn:birthday>' . xmlify($birthday) . '</dfrn:birthday>';
 192
 193         $atom .= replace_macros($feed_template, array(
 194                         '$version'      => xmlify(FRIENDIKA_VERSION),
 195                         '$feed_id'      => xmlify($a->get_baseurl() . '/profile/' . $owner['nickname'] ),
 196                         '$feed_title'   => xmlify($owner['name']),
 197                         '$feed_updated' => xmlify(datetime_convert('UTC', 'UTC', $updated . '+00:00' , ATOM_TIME)) ,
 198                         '$hub'          => $hubxml,
 199                         '$salmon'       => '',  // private feed, we don't use salmon here
 200                         '$name'         => xmlify($owner['name']),
 201                         '$profile_page' => xmlify($owner['url']),
 202                         '$photo'        => xmlify($owner['photo']),
 203                         '$thumb'        => xmlify($owner['thumb']),
 204                         '$picdate'      => xmlify(datetime_convert('UTC','UTC',$owner['avatar-date'] . '+00:00' , ATOM_TIME)) ,
 205                         '$uridate'      => xmlify(datetime_convert('UTC','UTC',$owner['uri-date']    . '+00:00' , ATOM_TIME)) ,
 206                         '$namdate'      => xmlify(datetime_convert('UTC','UTC',$owner['name-date']   . '+00:00' , ATOM_TIME)) ,
 207                         '$birthday'     => $birthday
 208         ));
 209
 210         if($cmd === 'mail') {
 211                 $notify_hub = false;  // mail is  not public
 212
 213                 $atom .= replace_macros($mail_template, array(
 214                         '$name'         => xmlify($owner['name']),
 215                         '$profile_page' => xmlify($owner['url']),
 216                         '$thumb'        => xmlify($owner['thumb']),
 217                         '$item_id'      => xmlify($item['uri']),
 218                         '$subject'      => xmlify($item['title']),
 219                         '$created'      => xmlify(datetime_convert('UTC', 'UTC', $item['created'] . '+00:00' , ATOM_TIME)),
 220                         '$content'      => xmlify($item['body']),
 221                         '$parent_id'    => xmlify($item['parent-uri'])
 222                 ));
 223         }
 224         else {
 225                 if($followup) {
 226                         foreach($items as $item) {  // there is only one item
 227                                 if(! $item['parent'])
 228                                         continue;
 229                                 if($item['id'] == $item_id) {
 230                                         logger('notifier: followup: item: ' . print_r($item,true), LOGGER_DATA);
 231                                         $slap  = atom_entry($item,'html',$owner,$owner,false);
 232                                         $atom .= atom_entry($item,'text',$owner,$owner,false);
 233                                 }
 234                         }
 235                 }
 236                 else {
 237                         foreach($items as $item) {
 238                                 if(! $item['parent'])
 239                                         continue;
 240
 241                                 $contact = get_item_contact($item,$contacts);
 242                                 if(! $contact)
 243                                         continue;
 244
 245                                 $atom   .= atom_entry($item,'text',$contact,$owner,true);
 246
 247                                 if(($top_level) && ($notify_hub) && ($item['author-link'] === $item['owner-link']))
 248                                         $slaps[] = atom_entry($item,'html',$contact,$owner,true);
 249                         }
 250                 }
 251         }
 252         $atom .= '</feed>' . "\r\n";
 253
 254         logger('notifier: ' . $atom, LOGGER_DATA);
 255
 256         logger('notifier: slaps: ' . print_r($slaps,true), LOGGER_DATA);
 257
 258         if($followup)
 259                 $recip_str = $parent['contact-id'];
 260         else
 261                 $recip_str = implode(', ', $recipients);
 262
 263
 264         $r = q("SELECT * FROM `contact` WHERE `id` IN ( %s ) AND `blocked` = 0 AND `pending` = 0 ",
 265                 dbesc($recip_str)
 266         );
 267
 268         // delivery loop
 269
 270         require_once('include/salmon.php');
 271
 272         if(count($r)) {
 273                 foreach($r as $contact) {
 274                         if($contact['self'])
 275                                 continue;
 276
 277                         $deliver_status = 0;
 278
 279                         switch($contact['network']) {
 280                                 case 'dfrn':
 281                                         logger('notifier: dfrndelivery: ' . $contact['name']);
 282                                         $deliver_status = dfrn_deliver($owner,$contact,$atom);
 283
 284                                         logger('notifier: dfrn_delivery returns ' . $deliver_status);
 285
 286                                         if($deliver_status == (-1)) {
 287                                                 logger('notifier: delivery failed: queuing message');
 288                                                 // queue message for redelivery
 289                                                 q("INSERT INTO `queue` ( `cid`, `created`, `last`, `content`)
 290                                                         VALUES ( %d, '%s', '%s', '%s') ",
 291                                                         intval($contact['id']),
 292                                                         dbesc(datetime_convert()),
 293                                                         dbesc(datetime_convert()),
 294                                                         dbesc($atom)
 295                                                 );
 296                                         }
 297                                         break;
 298                                 case 'stat':
 299                                         if($followup && $contact['notify']) {
 300                                                 logger('notifier: slapdelivery: ' . $contact['name']);
 301                                                 $deliver_status = slapper($owner,$contact['notify'],$slap);
 302
 303                                                 if($deliver_status == (-1)) {
 304                                                         // queue message for redelivery
 305                                                         q("INSERT INTO `queue` ( `cid`, `created`, `last`, `content`)
 306                                                                 VALUES ( %d, '%s', '%s', '%s') ",
 307                                                                 intval($contact['id']),
 308                                                                 dbesc(datetime_convert()),
 309                                                                 dbesc(datetime_convert()),
 310                                                                 dbesc($slap)
 311                                                         );
 312
 313                                                 }
 314
 315
 316                                         }
 317                                         else {
 318
 319                                                 // only send salmon if public - e.g. if it's ok to notify
 320                                                 // a public hub, it's ok to send a salmon
 321
 322                                                 if(count($slaps) && $notify_hub) {
 323                                                         logger('notifier: slapdelivery: ' . $contact['name']);
 324                                                         foreach($slaps as $slappy) {
 325                                                                 if($contact['notify']) {
 326                                                                         $deliver_status = slapper($owner,$contact['notify'],$slappy);
 327                                                                         if($deliver_status == (-1)) {
 328                                                                                 // queue message for redelivery
 329                                                                                 q("INSERT INTO `queue` ( `cid`, `created`, `last`, `content`)
 330                                                                                         VALUES ( %d, '%s', '%s', '%s') ",
 331                                                                                         intval($contact['id']),
 332                                                                                         dbesc(datetime_convert()),
 333                                                                                         dbesc(datetime_convert()),
 334                                                                                         dbesc($slappy)
 335                                                                                 );
 336                                                                         }
 337                                                                 }
 338                                                         }
 339                                                 }
 340                                         }
 341                                         break;
 342                                 case 'mail':
 343                                 case 'dspr':
 344                                 case 'feed':
 345                                 default:
 346                                         break;
 347                         }
 348                 }
 349         }
 350
 351         // send additional slaps to mentioned remote tags (@foo@example.com)
 352
 353         if($slap && count($url_recipients) && $followup && $notify_hub) {
 354                 foreach($url_recipients as $url) {
 355                         if($url) {
 356                                 logger('notifier: urldelivery: ' . $url);
 357                                 $deliver_status = slapper($owner,$url,$slap);
 358                                 // TODO: redeliver/queue these items on failure, though there is no contact record
 359                         }
 360                 }
 361         }
 362
 363         if((strlen($hub)) && ($notify_hub)) {
 364                 $hubs = explode(',', $hub);
 365                 if(count($hubs)) {
 366                         foreach($hubs as $h) {
 367                                 $h = trim($h);
 368                                 if(! strlen($h))
 369                                         continue;
 370                                 $params = 'hub.mode=publish&hub.url=' . urlencode($a->get_baseurl() . '/dfrn_poll/' . $owner['nickname'] );
 371                                 post_url($h,$params);
 372                                 logger('pubsub: publish: ' . $h . ' ' . $params . ' returned ' . $a->get_curl_code());
 373                                 if(count($hubs) > 1)
 374                                         sleep(7);                               // try and avoid multiple hubs responding at precisely the same time
 375                         }
 376                 }
 377         }
 378
 379         if($notify_hub) {
 380
 381                 /**
 382                  *
 383                  * If you have less than 150 dfrn friends and it's a public message,
 384                  * we'll just go ahead and push them out securely with dfrn/rino.
 385                  * If you've got more than that, you'll have to rely on PuSH delivery.
 386                  *
 387                  */
 388
 389                 $max_allowed = ((get_config('system','maxpubdeliver') === false) ? 150 : intval(get_config('system','maxpubdeliver')));
 390
 391                 /**
 392                  *
 393                  * Only get the bare essentials and go back for the full record.
 394                  * If you've got a lot of friends and we grab all the details at once it could exhaust memory.
 395                  *
 396                  */
 397
 398                 $r = q("SELECT `id`, `name` FROM `contact`
 399                         WHERE `network` = 'dfrn' AND `uid` = %d AND `blocked` = 0 AND `pending` = 0
 400                         AND `rel` != %d ",
 401                         intval($owner['uid']),
 402                         intval(REL_FAN)
 403                 );
 404
 405                 if((count($r)) && (($max_allowed == 0) || (count($r) < $max_allowed))) {
 406
 407                         foreach($r as $rr) {
 408
 409                                 /* Don't deliver to folks who have already been delivered to */
 410
 411                                 if(! in_array($rr['id'], $conversants)) {
 412                                         $n = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
 413                                                         intval($rr['id'])
 414                                         );
 415
 416                                         if(count($n)) {
 417
 418                                                 logger('notifier: dfrnpubdelivery: ' . $n[0]['name']);
 419                                                 $deliver_status = dfrn_deliver($owner,$n[0],$atom);
 420                                         }
 421                                 }
 422                                 else
 423                                         logger('notifier: dfrnpubdelivery: ignoring ' . $rr['name']);
 424                         }
 425                 }
 426         }
 427
 428         return;
 429 }
 430
 431 if (array_search(__file__,get_included_files())===0){
 432   echo "run!";
 433   notifier_run($argv,$argc);
 434   killme();
 435 }