include/notifier.php

   1 <?php
   2
   3         require_once("boot.php");
   4
   5         $a = new App;
   6
   7         @include(".htconfig.php");
   8         require_once("dba.php");
   9         $db = new dba($db_host, $db_user, $db_pass, $db_data);
  10                 unset($db_host, $db_user, $db_pass, $db_data);
  11
  12
  13         require_once("session.php");
  14         require_once("datetime.php");
  15         require_once('include/items.php');
  16         require_once('include/bbcode.php');
  17
  18         if($argc < 3)
  19                 exit;
  20
  21         $a->set_baseurl(get_config('system','url'));
  22
  23         logger('notifier: invoked: ' . print_r($argv,true));
  24
  25         $cmd = $argv[1];
  26
  27         switch($cmd) {
  28
  29                 case 'mail':
  30                 default:
  31                         $item_id = intval($argv[2]);
  32                         if(! $item_id)
  33                                 killme();
  34                         break;
  35         }
  36
  37         $recipients = array();
  38         $url_recipients = array();
  39
  40         if($cmd === 'mail') {
  41
  42                 $message = q("SELECT * FROM `mail` WHERE `id` = %d LIMIT 1",
  43                                 intval($item_id)
  44                 );
  45                 if(! count($message))
  46                         killme();
  47                 $uid = $message[0]['uid'];
  48                 $recipients[] = $message[0]['contact-id'];
  49                 $item = $message[0];
  50
  51         }
  52         else {
  53                 // find ancestors
  54
  55                 $r = q("SELECT `parent`, `uid`, `edited` FROM `item` WHERE `id` = %d LIMIT 1",
  56                         intval($item_id)
  57                 );
  58                 if(! count($r))
  59                         killme();
  60
  61                 $parent_id = $r[0]['parent'];
  62                 $uid = $r[0]['uid'];
  63                 $updated = $r[0]['edited'];
  64
  65                 $items = q("SELECT * FROM `item` WHERE `parent` = %d ORDER BY `id` ASC",
  66                         intval($parent_id)
  67                 );
  68
  69                 if(! count($items))
  70                         killme();
  71         }
  72
  73         $r = q("SELECT `contact`.*, `user`.`nickname`, `user`.`sprvkey`, `user`.`spubkey`, `user`.`page-flags`
  74                 FROM `contact` LEFT JOIN `user` ON `user`.`uid` = `contact`.`uid`
  75                 WHERE `contact`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
  76                 intval($uid)
  77         );
  78
  79         if(count($r))
  80                 $owner = $r[0];
  81         else
  82                 killme();
  83
  84         $hub = get_config('system','huburl');
  85
  86         // If this is a public conversation, notify the feed hub
  87         $notify_hub = true;
  88
  89         // fill this in with a single salmon slap if applicable
  90         $slap = '';
  91
  92         if($cmd != 'mail') {
  93
  94                 require_once('include/group.php');
  95
  96                 $parent = $items[0];
  97
  98                 if($parent['type'] === 'remote') {
  99                         // local followup to remote post
 100                         $followup = true;
 101                         $notify_hub = false; // not public
 102                         $conversant_str = dbesc($parent['contact-id']);
 103                 }
 104                 else {
 105                         $followup = false;
 106
 107                         if((strlen($parent['allow_cid']))
 108                                 || (strlen($parent['allow_gid']))
 109                                 || (strlen($parent['deny_cid']))
 110                                 || (strlen($parent['deny_gid']))) {
 111                                 $notify_hub = false; // private recipients, not public
 112                         }
 113
 114                         $allow_people = expand_acl($parent['allow_cid']);
 115                         $allow_groups = expand_groups(expand_acl($parent['allow_gid']));
 116                         $deny_people = expand_acl($parent['deny_cid']);
 117                         $deny_groups = expand_groups(expand_acl($parent['deny_gid']));
 118
 119                         $conversants = array();
 120
 121                         foreach($items as $item) {
 122                                 $recipients[] = $item['contact-id'];
 123                                 $conversants[] = $item['contact-id'];
 124                                 // pull out additional tagged people to notify (if public message)
 125                                 if($notify_hub && strlen($item['inform'])) {
 126                                         $people = explode(',',$item['inform']);
 127                                         foreach($people as $person) {
 128                                                 if(substr($person,0,4) === 'cid:') {
 129                                                         $recipients[] = intval(substr($person,4));
 130                                                         $conversants[] = intval(substr($person,4));
 131                                                 }
 132                                                 else {
 133                                                         $url_recipients[] = substr($person,4);
 134                                                 }
 135                                         }
 136                                 }
 137                         }
 138
 139                         logger('notifier: url_recipients' . print_r($url_recipients,true));
 140
 141                         $conversants = array_unique($conversants);
 142
 143
 144                         $recipients = array_unique(array_merge($recipients,$allow_people,$allow_groups));
 145                         $deny = array_unique(array_merge($deny_people,$deny_groups));
 146                         $recipients = array_diff($recipients,$deny);
 147
 148                         $conversant_str = dbesc(implode(', ',$conversants));
 149                 }
 150
 151                 $r = q("SELECT * FROM `contact` WHERE `id` IN ( $conversant_str ) AND `blocked` = 0 AND `pending` = 0");
 152
 153                 if( ! count($r))
 154                         killme();
 155
 156                 $contacts = $r;
 157         }
 158
 159         $feed_template = load_view_file('view/atom_feed.tpl');
 160         $mail_template = load_view_file('view/atom_mail.tpl');
 161
 162         $atom = '';
 163         $hubxml = '';
 164         $slaps = array();
 165
 166         if(strlen($hub)) {
 167                 $hubs = explode(',', $hub);
 168                 if(count($hubs)) {
 169                         foreach($hubs as $h) {
 170                                 $h = trim($h);
 171                                 if(! strlen($h))
 172                                         continue;
 173                                 $hubxml .= '<link rel="hub" href="' . xmlify($h) . '" />' . "\n" ;
 174                         }
 175                 }
 176         }
 177
 178         $atom .= replace_macros($feed_template, array(
 179                         '$version'      => xmlify(FRIENDIKA_VERSION),
 180                         '$feed_id'      => xmlify($a->get_baseurl() . '/profile/' . $owner['nickname'] ),
 181                         '$feed_title'   => xmlify($owner['name']),
 182                         '$feed_updated' => xmlify(datetime_convert('UTC', 'UTC', $updated . '+00:00' , ATOM_TIME)) ,
 183                         '$hub'          => $hubxml,
 184                         '$salmon'       => '',   // private feed, we don't use salmon here
 185                         '$name'         => xmlify($owner['name']),
 186                         '$profile_page' => xmlify($owner['url']),
 187                         '$photo'        => xmlify($owner['photo']),
 188                         '$thumb'        => xmlify($owner['thumb']),
 189                         '$picdate'      => xmlify(datetime_convert('UTC','UTC',$owner['avatar-date'] . '+00:00' , ATOM_TIME)) ,
 190                         '$uridate'      => xmlify(datetime_convert('UTC','UTC',$owner['uri-date']    . '+00:00' , ATOM_TIME)) ,
 191                         '$namdate'      => xmlify(datetime_convert('UTC','UTC',$owner['name-date']   . '+00:00' , ATOM_TIME)) ,
 192                         '$birthday'     => ''
 193         ));
 194
 195         if($cmd === 'mail') {
 196                 $notify_hub = false;  // mail is  not public
 197
 198                 $atom .= replace_macros($mail_template, array(
 199                         '$name'         => xmlify($owner['name']),
 200                         '$profile_page' => xmlify($owner['url']),
 201                         '$thumb'        => xmlify($owner['thumb']),
 202                         '$item_id'      => xmlify($item['uri']),
 203                         '$subject'      => xmlify($item['title']),
 204                         '$created'      => xmlify(datetime_convert('UTC', 'UTC', $item['created'] . '+00:00' , ATOM_TIME)),
 205                         '$content'      => xmlify($item['body']),
 206                         '$parent_id'    => xmlify($item['parent-uri'])
 207                 ));
 208         }
 209         else {
 210                 if($followup) {
 211                         foreach($items as $item) {  // there is only one item
 212                                 if($item['id'] == $item_id) {
 213                                         logger('notifier: followup: item: ' . print_r($item,true), LOGGER_DATA);
 214                                         $slap  = atom_entry($item,'html',$owner,$owner,false);
 215                                         $atom .= atom_entry($item,'text',$owner,$owner,false);
 216                                 }
 217                         }
 218                 }
 219                 else {
 220                         foreach($items as $item) {
 221                                 $contact = get_item_contact($item,$contacts);
 222                                 if(! $contact)
 223                                         continue;
 224
 225                                 $atom   .= atom_entry($item,'text',$contact,$owner,true);
 226
 227                                 // There's a problem here - we *were* going to use salmon to provide semi-authenticated
 228                                 // communication to OStatus, but unless we're the item author they won't verify.
 229                                 // commented out for now, though we'll still send local replies (and any mentions
 230                                 // that they contain) upstream. Rethinking the problem space.
 231
 232 //                              $slaps[] = atom_entry($item,'html',$contact,$owner,true);
 233                         }
 234                 }
 235         }
 236         $atom .= '</feed>' . "\r\n";
 237
 238         logger('notifier: ' . $atom, LOGGER_DATA);
 239
 240 //      logger('notifier: slaps: ' . print_r($slaps,true), LOGGER_DATA);
 241
 242         if($followup)
 243                 $recip_str = $parent['contact-id'];
 244         else
 245                 $recip_str = implode(', ', $recipients);
 246
 247
 248         $r = q("SELECT * FROM `contact` WHERE `id` IN ( %s ) AND `blocked` = 0 ",
 249                 dbesc($recip_str)
 250         );
 251         if(! count($r))
 252                 killme();
 253
 254         // delivery loop
 255
 256         require_once('include/salmon.php');
 257
 258         foreach($r as $contact) {
 259                 if($contact['self'])
 260                         continue;
 261
 262                 $deliver_status = 0;
 263
 264                 switch($contact['network']) {
 265                         case 'dfrn':
 266                                 logger('notifier: dfrndelivery: ' . $contact['name']);
 267                                 $deliver_status = dfrn_deliver($owner,$contact,$atom);
 268
 269                                 logger('notifier: dfrn_delivery returns ' . $deliver_status);
 270
 271                                 if($deliver_status == (-1)) {
 272                                         logger('notifier: delivery failed: queuing message');
 273                                         // queue message for redelivery
 274                                         q("INSERT INTO `queue` ( `cid`, `created`, `last`, `content`)
 275                                                 VALUES ( %d, '%s', '%s', '%s') ",
 276                                                 intval($contact['id']),
 277                                                 dbesc(datetime_convert()),
 278                                                 dbesc(datetime_convert()),
 279                                                 dbesc($atom)
 280                                         );
 281                                 }
 282                                 break;
 283                         default:
 284                                 if($followup && $contact['notify']) {
 285                                         logger('notifier: slapdelivery: ' . $contact['name']);
 286                                         $deliver_status = slapper($owner,$contact['notify'],$slap);
 287
 288                                         if($deliver_status == (-1)) {
 289                                                 // queue message for redelivery
 290                                                 q("INSERT INTO `queue` ( `cid`, `created`, `last`, `content`)
 291                                                         VALUES ( %d, '%s', '%s', '%s') ",
 292                                                         intval($contact['id']),
 293                                                         dbesc(datetime_convert()),
 294                                                         dbesc(datetime_convert()),
 295                                                         dbesc($slap)
 296                                                 );
 297
 298                                         }
 299
 300
 301                                 }
 302                                 else {
 303
 304                                         // only send salmon if public - e.g. if it's ok to notify
 305                                         // a public hub, it's ok to send a salmon
 306
 307                                         if(count($slaps) && $notify_hub) {
 308                                                 logger('notifier: slapdelivery: ' . $contact['name']);
 309                                                 foreach($slaps as $slappy) {
 310                                                         if($contact['notify']) {
 311                                                                 $deliver_status = slapper($owner,$contact['notify'],$slappy);
 312                                                                 if($deliver_status == (-1)) {
 313                                                                         // queue message for redelivery
 314                                                                         q("INSERT INTO `queue` ( `cid`, `created`, `last`, `content`)
 315                                                                                 VALUES ( %d, '%s', '%s', '%s') ",
 316                                                                                 intval($contact['id']),
 317                                                                                 dbesc(datetime_convert()),
 318                                                                                 dbesc(datetime_convert()),
 319                                                                                 dbesc($slappy)
 320                                                                         );
 321                                                                 }
 322                                                         }
 323                                                 }
 324                                         }
 325                                 }
 326                                 break;
 327                 }
 328         }
 329
 330         // send additional slaps to mentioned remote tags (@foo@example.com)
 331
 332         if($slap && count($url_recipients) && $followup && $notify_hub) {
 333                 foreach($url_recipients as $url) {
 334                         if($url) {
 335                                 logger('notifier: urldelivery: ' . $url);
 336                                 $deliver_status = slapper($owner,$url,$slap);
 337                                 // TODO: redeliver/queue these items on failure, though there is no contact record
 338                         }
 339                 }
 340         }
 341
 342         if((strlen($hub)) && ($notify_hub)) {
 343                 $hubs = explode(',', $hub);
 344                 if(count($hubs)) {
 345                         foreach($hubs as $h) {
 346                                 $h = trim($h);
 347                                 if(! strlen($h))
 348                                         continue;
 349                                 $params = 'hub.mode=publish&hub.url=' . urlencode($a->get_baseurl() . '/dfrn_poll/' . $owner['nickname'] );
 350                                 post_url($h,$params);
 351                                 logger('pubsub: publish: ' . $h . ' returned ' . $a->get_curl_code());
 352                                 if(count($hubs) > 1)
 353                                         sleep(7);                               // try and avoid multiple hubs responding at precisely the same time
 354                         }
 355                 }
 356         }
 357
 358         killme();
 359