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         $expire = false;
  44         $top_level = false;
  45         $recipients = array();
  46         $url_recipients = array();
  47
  48         if($cmd === 'mail') {
  49
  50                 $message = q("SELECT * FROM `mail` WHERE `id` = %d LIMIT 1",
  51                                 intval($item_id)
  52                 );
  53                 if(! count($message)){
  54                         return;
  55                 }
  56                 $uid = $message[0]['uid'];
  57                 $recipients[] = $message[0]['contact-id'];
  58                 $item = $message[0];
  59
  60         }
  61         elseif($cmd === 'expire') {
  62                 $expire = true;
  63                 $items = q("SELECT * FROM `item` WHERE `uid` = %d AND `wall` = 1
  64                         AND `deleted` = 1 AND `changed` > UTC_TIMESTAMP - INTERVAL 10 MINUTE",
  65                         intval($item_id)
  66                 );
  67                 $uid = $item_id;
  68                 $item_id = 0;
  69                 if(! count($items))
  70                         return;
  71         }
  72         else {
  73
  74                 // find ancestors
  75                 $r = q("SELECT `parent`, `uid`, `edited` FROM `item` WHERE `id` = %d LIMIT 1",
  76                         intval($item_id)
  77                 );
  78
  79                 if((! count($r)) || (! intval($r[0]['parent']))) {
  80                         return;
  81                 }
  82
  83                 $parent_id = intval($r[0]['parent']);
  84                 $uid = $r[0]['uid'];
  85                 $updated = $r[0]['edited'];
  86
  87                 $items = q("SELECT * FROM `item` WHERE `parent` = %d ORDER BY `id` ASC",
  88                         intval($parent_id)
  89                 );
  90
  91                 if(! count($items)) {
  92                         return;
  93                 }
  94
  95                 // avoid race condition with deleting entries
  96
  97                 if($items[0]['deleted']) {
  98                         foreach($items as $item)
  99                                 $item['deleted'] = 1;
 100                 }
 101
 102                 if(count($items) == 1 && $items[0]['uri'] === $items[0]['parent-uri'])
 103                         $top_level = true;
 104         }
 105
 106         $r = q("SELECT `contact`.*, `user`.`timezone`, `user`.`nickname`, `user`.`sprvkey`, `user`.`spubkey`, `user`.`page-flags`
 107                 FROM `contact` LEFT JOIN `user` ON `user`.`uid` = `contact`.`uid`
 108                 WHERE `contact`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
 109                 intval($uid)
 110         );
 111
 112         if(! count($r))
 113                 return;
 114
 115         $owner = $r[0];
 116
 117         $hub = get_config('system','huburl');
 118
 119         // If this is a public conversation, notify the feed hub
 120         $notify_hub = true;
 121
 122         // fill this in with a single salmon slap if applicable
 123         $slap = '';
 124
 125         if($cmd != 'mail') {
 126
 127                 require_once('include/group.php');
 128
 129                 $parent = $items[0];
 130
 131                 if($parent['type'] === 'remote' && (! $expire)) {
 132                         // local followup to remote post
 133                         $followup = true;
 134                         $notify_hub = false; // not public
 135                         $conversant_str = dbesc($parent['contact-id']);
 136                 }
 137                 else {
 138                         $followup = false;
 139
 140                         if((strlen($parent['allow_cid']))
 141                                 || (strlen($parent['allow_gid']))
 142                                 || (strlen($parent['deny_cid']))
 143                                 || (strlen($parent['deny_gid']))) {
 144                                 $notify_hub = false; // private recipients, not public
 145                         }
 146
 147                         $allow_people = expand_acl($parent['allow_cid']);
 148                         $allow_groups = expand_groups(expand_acl($parent['allow_gid']));
 149                         $deny_people  = expand_acl($parent['deny_cid']);
 150                         $deny_groups  = expand_groups(expand_acl($parent['deny_gid']));
 151
 152                         $conversants = array();
 153
 154                         foreach($items as $item) {
 155                                 $recipients[] = $item['contact-id'];
 156                                 $conversants[] = $item['contact-id'];
 157                                 // pull out additional tagged people to notify (if public message)
 158                                 if($notify_hub && strlen($item['inform'])) {
 159                                         $people = explode(',',$item['inform']);
 160                                         foreach($people as $person) {
 161                                                 if(substr($person,0,4) === 'cid:') {
 162                                                         $recipients[] = intval(substr($person,4));
 163                                                         $conversants[] = intval(substr($person,4));
 164                                                 }
 165                                                 else {
 166                                                         $url_recipients[] = substr($person,4);
 167                                                 }
 168                                         }
 169                                 }
 170                         }
 171
 172                         logger('notifier: url_recipients' . print_r($url_recipients,true));
 173
 174                         $conversants = array_unique($conversants);
 175
 176
 177                         $recipients = array_unique(array_merge($recipients,$allow_people,$allow_groups));
 178                         $deny = array_unique(array_merge($deny_people,$deny_groups));
 179                         $recipients = array_diff($recipients,$deny);
 180
 181                         $conversant_str = dbesc(implode(', ',$conversants));
 182                 }
 183
 184                 $r = q("SELECT * FROM `contact` WHERE `id` IN ( $conversant_str ) AND `blocked` = 0 AND `pending` = 0");
 185
 186
 187                 if(count($r))
 188                         $contacts = $r;
 189         }
 190
 191         $feed_template = load_view_file('view/atom_feed.tpl');
 192         $mail_template = load_view_file('view/atom_mail.tpl');
 193
 194         $atom = '';
 195         $slaps = array();
 196
 197         $hubxml = feed_hublinks();
 198
 199         $birthday = feed_birthday($owner['uid'],$owner['timezone']);
 200
 201         if(strlen($birthday))
 202                 $birthday = '<dfrn:birthday>' . xmlify($birthday) . '</dfrn:birthday>';
 203
 204         $atom .= replace_macros($feed_template, array(
 205                         '$version'      => xmlify(FRIENDIKA_VERSION),
 206                         '$feed_id'      => xmlify($a->get_baseurl() . '/profile/' . $owner['nickname'] ),
 207                         '$feed_title'   => xmlify($owner['name']),
 208                         '$feed_updated' => xmlify(datetime_convert('UTC', 'UTC', $updated . '+00:00' , ATOM_TIME)) ,
 209                         '$hub'          => $hubxml,
 210                         '$salmon'       => '',  // private feed, we don't use salmon here
 211                         '$name'         => xmlify($owner['name']),
 212                         '$profile_page' => xmlify($owner['url']),
 213                         '$photo'        => xmlify($owner['photo']),
 214                         '$thumb'        => xmlify($owner['thumb']),
 215                         '$picdate'      => xmlify(datetime_convert('UTC','UTC',$owner['avatar-date'] . '+00:00' , ATOM_TIME)) ,
 216                         '$uridate'      => xmlify(datetime_convert('UTC','UTC',$owner['uri-date']    . '+00:00' , ATOM_TIME)) ,
 217                         '$namdate'      => xmlify(datetime_convert('UTC','UTC',$owner['name-date']   . '+00:00' , ATOM_TIME)) ,
 218                         '$birthday'     => $birthday
 219         ));
 220
 221         if($cmd === 'mail') {
 222                 $notify_hub = false;  // mail is  not public
 223
 224                 $atom .= replace_macros($mail_template, array(
 225                         '$name'         => xmlify($owner['name']),
 226                         '$profile_page' => xmlify($owner['url']),
 227                         '$thumb'        => xmlify($owner['thumb']),
 228                         '$item_id'      => xmlify($item['uri']),
 229                         '$subject'      => xmlify($item['title']),
 230                         '$created'      => xmlify(datetime_convert('UTC', 'UTC', $item['created'] . '+00:00' , ATOM_TIME)),
 231                         '$content'      => xmlify($item['body']),
 232                         '$parent_id'    => xmlify($item['parent-uri'])
 233                 ));
 234         }
 235         else {
 236                 if($followup) {
 237                         foreach($items as $item) {  // there is only one item
 238                                 if(! $item['parent'])
 239                                         continue;
 240                                 if($item['id'] == $item_id) {
 241                                         logger('notifier: followup: item: ' . print_r($item,true), LOGGER_DATA);
 242                                         $slap  = atom_entry($item,'html',$owner,$owner,false);
 243                                         $atom .= atom_entry($item,'text',$owner,$owner,false);
 244                                 }
 245                         }
 246                 }
 247                 else {
 248                         foreach($items as $item) {
 249
 250                                 if(! $item['parent'])
 251                                         continue;
 252
 253                                 $contact = get_item_contact($item,$contacts);
 254                                 if(! $contact)
 255                                         continue;
 256
 257                                 $atom .= atom_entry($item,'text',$contact,$owner,true);
 258
 259                                 if(($top_level) && ($notify_hub) && ($item['author-link'] === $item['owner-link']) && (! $expire))
 260                                         $slaps[] = atom_entry($item,'html',$contact,$owner,true);
 261                         }
 262                 }
 263         }
 264         $atom .= '</feed>' . "\r\n";
 265
 266         logger('notifier: ' . $atom, LOGGER_DATA);
 267
 268         logger('notifier: slaps: ' . print_r($slaps,true), LOGGER_DATA);
 269
 270         if($followup)
 271                 $recip_str = $parent['contact-id'];
 272         else
 273                 $recip_str = implode(', ', $recipients);
 274
 275
 276         $r = q("SELECT * FROM `contact` WHERE `id` IN ( %s ) AND `blocked` = 0 AND `pending` = 0 ",
 277                 dbesc($recip_str)
 278         );
 279
 280         // delivery loop
 281
 282         require_once('include/salmon.php');
 283
 284         if(count($r)) {
 285                 foreach($r as $contact) {
 286                         if($contact['self'])
 287                                 continue;
 288
 289                         $deliver_status = 0;
 290
 291                         switch($contact['network']) {
 292                                 case 'dfrn':
 293                                         logger('notifier: dfrndelivery: ' . $contact['name']);
 294                                         $deliver_status = dfrn_deliver($owner,$contact,$atom);
 295
 296                                         logger('notifier: dfrn_delivery returns ' . $deliver_status);
 297
 298                                         if($deliver_status == (-1)) {
 299                                                 logger('notifier: delivery failed: queuing message');
 300                                                 // queue message for redelivery
 301                                                 q("INSERT INTO `queue` ( `cid`, `created`, `last`, `content`)
 302                                                         VALUES ( %d, '%s', '%s', '%s') ",
 303                                                         intval($contact['id']),
 304                                                         dbesc(datetime_convert()),
 305                                                         dbesc(datetime_convert()),
 306                                                         dbesc($atom)
 307                                                 );
 308                                         }
 309                                         break;
 310                                 case 'stat':
 311                                         if($followup && $contact['notify']) {
 312                                                 logger('notifier: slapdelivery: ' . $contact['name']);
 313                                                 $deliver_status = slapper($owner,$contact['notify'],$slap);
 314
 315                                                 if($deliver_status == (-1)) {
 316                                                         // queue message for redelivery
 317                                                         q("INSERT INTO `queue` ( `cid`, `created`, `last`, `content`)
 318                                                                 VALUES ( %d, '%s', '%s', '%s') ",
 319                                                                 intval($contact['id']),
 320                                                                 dbesc(datetime_convert()),
 321                                                                 dbesc(datetime_convert()),
 322                                                                 dbesc($slap)
 323                                                         );
 324
 325                                                 }
 326
 327
 328                                         }
 329                                         else {
 330
 331                                                 // only send salmon if public - e.g. if it's ok to notify
 332                                                 // a public hub, it's ok to send a salmon
 333
 334                                                 if((count($slaps)) && ($notify_hub) && (! $expire)) {
 335                                                         logger('notifier: slapdelivery: ' . $contact['name']);
 336                                                         foreach($slaps as $slappy) {
 337                                                                 if($contact['notify']) {
 338                                                                         $deliver_status = slapper($owner,$contact['notify'],$slappy);
 339                                                                         if($deliver_status == (-1)) {
 340                                                                                 // queue message for redelivery
 341                                                                                 q("INSERT INTO `queue` ( `cid`, `created`, `last`, `content`)
 342                                                                                         VALUES ( %d, '%s', '%s', '%s') ",
 343                                                                                         intval($contact['id']),
 344                                                                                         dbesc(datetime_convert()),
 345                                                                                         dbesc(datetime_convert()),
 346                                                                                         dbesc($slappy)
 347                                                                                 );
 348                                                                         }
 349                                                                 }
 350                                                         }
 351                                                 }
 352                                         }
 353                                         break;
 354                                 case 'mail':
 355                                 case 'dspr':
 356                                 case 'feed':
 357                                 default:
 358                                         break;
 359                         }
 360                 }
 361         }
 362
 363         // send additional slaps to mentioned remote tags (@foo@example.com)
 364
 365         if($slap && count($url_recipients) && $followup && $notify_hub && (! $expire)) {
 366                 foreach($url_recipients as $url) {
 367                         if($url) {
 368                                 logger('notifier: urldelivery: ' . $url);
 369                                 $deliver_status = slapper($owner,$url,$slap);
 370                                 // TODO: redeliver/queue these items on failure, though there is no contact record
 371                         }
 372                 }
 373         }
 374
 375         if((strlen($hub)) && ($notify_hub)) {
 376                 $hubs = explode(',', $hub);
 377                 if(count($hubs)) {
 378                         foreach($hubs as $h) {
 379                                 $h = trim($h);
 380                                 if(! strlen($h))
 381                                         continue;
 382                                 $params = 'hub.mode=publish&hub.url=' . urlencode($a->get_baseurl() . '/dfrn_poll/' . $owner['nickname'] );
 383                                 post_url($h,$params);
 384                                 logger('pubsub: publish: ' . $h . ' ' . $params . ' returned ' . $a->get_curl_code());
 385                                 if(count($hubs) > 1)
 386                                         sleep(7);                               // try and avoid multiple hubs responding at precisely the same time
 387                         }
 388                 }
 389         }
 390
 391         if($notify_hub) {
 392
 393                 /**
 394                  *
 395                  * If you have less than 150 dfrn friends and it's a public message,
 396                  * we'll just go ahead and push them out securely with dfrn/rino.
 397                  * If you've got more than that, you'll have to rely on PuSH delivery.
 398                  *
 399                  */
 400
 401                 $max_allowed = ((get_config('system','maxpubdeliver') === false) ? 150 : intval(get_config('system','maxpubdeliver')));
 402
 403                 /**
 404                  *
 405                  * Only get the bare essentials and go back for the full record.
 406                  * If you've got a lot of friends and we grab all the details at once it could exhaust memory.
 407                  *
 408                  */
 409
 410                 $r = q("SELECT `id`, `name` FROM `contact`
 411                         WHERE `network` = 'dfrn' AND `uid` = %d AND `blocked` = 0 AND `pending` = 0
 412                         AND `rel` != %d ",
 413                         intval($owner['uid']),
 414                         intval(REL_FAN)
 415                 );
 416
 417                 if((count($r)) && (($max_allowed == 0) || (count($r) < $max_allowed))) {
 418
 419                         foreach($r as $rr) {
 420
 421                                 /* Don't deliver to folks who have already been delivered to */
 422
 423                                 if(! in_array($rr['id'], $conversants)) {
 424                                         $n = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
 425                                                         intval($rr['id'])
 426                                         );
 427
 428                                         if(count($n)) {
 429
 430                                                 logger('notifier: dfrnpubdelivery: ' . $n[0]['name']);
 431                                                 $deliver_status = dfrn_deliver($owner,$n[0],$atom);
 432                                         }
 433                                 }
 434                                 else
 435                                         logger('notifier: dfrnpubdelivery: ignoring ' . $rr['name']);
 436                         }
 437                 }
 438         }
 439
 440         return;
 441 }
 442
 443 if (array_search(__file__,get_included_files())===0){
 444   echo "run!";
 445   notifier_run($argv,$argc);
 446   killme();
 447 }