include/items.php

   1 <?php
   2
   3 require_once('bbcode.php');
   4
   5 function get_feed_for(&$a, $dfrn_id, $owner_id, $last_update, $direction = 0) {
   6
   7
   8         // default permissions - anonymous user
   9
  10         $sql_extra = "
  11                 AND `allow_cid` = ''
  12                 AND `allow_gid` = ''
  13                 AND `deny_cid`  = ''
  14                 AND `deny_gid`  = ''
  15         ";
  16
  17         if(strlen($owner_id) && ! intval($owner_id)) {
  18                 $r = q("SELECT `uid`, `nickname` FROM `user` WHERE `nickname` = '%s' LIMIT 1",
  19                         dbesc($owner_id)
  20                 );
  21                 if(count($r)) {
  22                         $owner_id = $r[0]['uid'];
  23                         $owner_nick = $r[0]['nickname'];
  24                 }
  25         }
  26
  27         $r = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
  28                 intval($owner_id)
  29         );
  30         if(count($r)) {
  31                 $owner = $r[0];
  32                 $owner['nickname'] = $owner_nick;
  33         }
  34         else
  35                 killme();
  36
  37         if($dfrn_id && $dfrn_id != '*') {
  38
  39                 $sql_extra = '';
  40                 switch($direction) {
  41                         case (-1):
  42                                 $sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($dfrn_id));
  43                                 $my_id = $dfrn_id;
  44                                 break;
  45                         case 0:
  46                                 $sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
  47                                 $my_id = '1:' . $dfrn_id;
  48                                 break;
  49                         case 1:
  50                                 $sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
  51                                 $my_id = '0:' . $dfrn_id;
  52                                 break;
  53                         default:
  54                                 return false;
  55                                 break; // NOTREACHED
  56                 }
  57
  58                 $r = q("SELECT * FROM `contact` WHERE `blocked` = 0 AND `pending` = 0 AND `contact`.`uid` = %d $sql_extra LIMIT 1",
  59                         intval($owner_id)
  60                 );
  61
  62                 if(! count($r))
  63                         return false;
  64
  65                 $contact = $r[0];
  66                 $groups = init_groups_visitor($contact['id']);
  67
  68                 if(count($groups)) {
  69                         for($x = 0; $x < count($groups); $x ++)
  70                                 $groups[$x] = '<' . intval($groups[$x]) . '>' ;
  71                         $gs = implode('|', $groups);
  72                 }
  73                 else
  74                         $gs = '<<>>' ; // Impossible to match
  75
  76                 $sql_extra = sprintf("
  77                         AND ( `allow_cid` = '' OR     `allow_cid` REGEXP '<%d>' )
  78                         AND ( `deny_cid`  = '' OR NOT `deny_cid`  REGEXP '<%d>' )
  79                         AND ( `allow_gid` = '' OR     `allow_gid` REGEXP '%s' )
  80                         AND ( `deny_gid`  = '' OR NOT `deny_gid`  REGEXP '%s')
  81                 ",
  82                         intval($contact['id']),
  83                         intval($contact['id']),
  84                         dbesc($gs),
  85                         dbesc($gs)
  86                 );
  87         }
  88
  89         if($dfrn_id === '' || $dfrn_id === '*')
  90                 $sort = 'DESC';
  91         else
  92                 $sort = 'ASC';
  93
  94         if(! strlen($last_update))
  95                 $last_update = 'now -30 days';
  96
  97         $check_date = datetime_convert('UTC','UTC',$last_update,'Y-m-d H:i:s');
  98
  99         $r = q("SELECT `item`.*, `item`.`id` AS `item_id`,
 100                 `contact`.`name`, `contact`.`photo`, `contact`.`url`,
 101                 `contact`.`name-date`, `contact`.`uri-date`, `contact`.`avatar-date`,
 102                 `contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`,
 103                 `contact`.`id` AS `contact-id`, `contact`.`uid` AS `contact-uid`
 104                 FROM `item` LEFT JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
 105                 WHERE `item`.`uid` = %d AND `item`.`visible` = 1
 106                 AND `item`.`wall` = 1 AND `contact`.`blocked` = 0 AND `contact`.`pending` = 0
 107                 AND ( `item`.`edited` > '%s' OR `item`.`changed` > '%s' )
 108                 $sql_extra
 109                 ORDER BY `parent` %s, `created` ASC LIMIT 0, 300",
 110                 intval($owner_id),
 111                 dbesc($check_date),
 112                 dbesc($check_date),
 113                 dbesc($sort)
 114         );
 115
 116         // Will check further below if this actually returned results.
 117         // We will provide an empty feed in any case.
 118
 119         $items = $r;
 120
 121         $feed_template = load_view_file('view/atom_feed.tpl');
 122
 123         $atom = '';
 124
 125         $hub = get_config('system','huburl');
 126
 127         $hubxml = '';
 128         if(strlen($hub)) {
 129                 $hubs = explode(',', $hub);
 130                 if(count($hubs)) {
 131                         foreach($hubs as $h) {
 132                                 $h = trim($h);
 133                                 if(! strlen($h))
 134                                         continue;
 135                                 $hubxml .= '<link rel="hub" href="' . xmlify($h) . '" />' . "\n" ;
 136                         }
 137                 }
 138         }
 139
 140         $salmon = '<link rel="salmon" href="' . xmlify($a->get_baseurl() . '/salmon/' . $owner_nick) . '" />' . "\n" ;
 141         $salmon .= '<link rel="http://salmon-protocol.org/ns/salmon-replies" href="' . xmlify($a->get_baseurl() . '/salmon/' . $owner_nick) . '" />' . "\n" ;
 142         $salmon .= '<link rel="http://salmon-protocol.org/ns/salmon-mention" href="' . xmlify($a->get_baseurl() . '/salmon/' . $owner_nick) . '" />' . "\n" ;
 143
 144
 145         $atom .= replace_macros($feed_template, array(
 146                 '$feed_id'      => xmlify($a->get_baseurl() . '/profile/' . $owner_nick),
 147                 '$feed_title'   => xmlify($owner['name']),
 148                 '$feed_updated' => xmlify(datetime_convert('UTC', 'UTC', 'now' , ATOM_TIME)) ,
 149                 '$hub'          => $hubxml,
 150                 '$salmon'       => $salmon,
 151                 '$name'         => xmlify($owner['name']),
 152                 '$profile_page' => xmlify($owner['url']),
 153                 '$photo'        => xmlify($owner['photo']),
 154                 '$thumb'        => xmlify($owner['thumb']),
 155                 '$picdate'      => xmlify(datetime_convert('UTC','UTC',$owner['avatar-date'] . '+00:00' , ATOM_TIME)) ,
 156                 '$uridate'      => xmlify(datetime_convert('UTC','UTC',$owner['uri-date']    . '+00:00' , ATOM_TIME)) ,
 157                 '$namdate'      => xmlify(datetime_convert('UTC','UTC',$owner['name-date']   . '+00:00' , ATOM_TIME))
 158         ));
 159
 160
 161         if(! count($items)) {
 162                 $atom .= '</feed>' . "\r\n";
 163                 return $atom;
 164         }
 165
 166         foreach($items as $item) {
 167
 168                 // public feeds get html, our own nodes use bbcode
 169
 170                 if($dfrn_id === '*') {
 171                         $type = 'html';
 172                 }
 173                 else {
 174                         $type = 'text';
 175                 }
 176
 177                 $atom .= atom_entry($item,$type,null,$owner,true);
 178         }
 179
 180         $atom .= '</feed>' . "\r\n";
 181         return $atom;
 182 }
 183
 184
 185 function construct_verb($item) {
 186         if($item['verb'])
 187                 return $item['verb'];
 188         return ACTIVITY_POST;
 189 }
 190
 191 function construct_activity($item) {
 192
 193         if($item['object']) {
 194                 $o = '<as:object>' . "\r\n";
 195                 $r = @simplexml_load_string($item['object']);
 196                 if($r->type)
 197                         $o .= '<as:object-type>' . xmlify($r->type) . '</as:object-type>' . "\r\n";
 198                 if($r->id)
 199                         $o .= '<id>' . xmlify($r->id) . '</id>' . "\r\n";
 200                 if($r->link)
 201                         $o .= '<link rel="alternate" type="text/html" href="' . xmlify($r->link) . '" />' . "\r\n";
 202                 if($r->title)
 203                         $o .= '<title>' . xmlify($r->title) . '</title>' . "\r\n";
 204                 if($r->content)
 205                         $o .= '<content type="html" >' . xmlify(bbcode($r->content)) . '</content>' . "\r\n";
 206                 $o .= '</as:object>' . "\r\n";
 207                 return $o;
 208         }
 209
 210         return '';
 211 }
 212
 213
 214
 215
 216 function get_atom_elements($feed,$item) {
 217
 218         require_once('library/HTMLPurifier.auto.php');
 219         require_once('include/html2bbcode.php');
 220
 221         $best_photo = array();
 222
 223         $res = array();
 224
 225         $author = $item->get_author();
 226         $res['author-name'] = unxmlify($author->get_name());
 227         $res['author-link'] = unxmlify($author->get_link());
 228         $res['uri'] = unxmlify($item->get_id());
 229         $res['title'] = unxmlify($item->get_title());
 230         $res['body'] = unxmlify($item->get_content());
 231
 232
 233         // look for a photo. We should check media size and find the best one,
 234         // but for now let's just find any author photo
 235
 236         $rawauthor = $item->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10,'author');
 237
 238         if($rawauthor && $rawauthor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link']) {
 239                 $base = $rawauthor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'];
 240                 foreach($base as $link) {
 241                         if(! $res['author-avatar']) {
 242                                 if($link['attribs']['']['rel'] === 'photo' || $link['attribs']['']['rel'] === 'avatar')
 243                                         $res['author-avatar'] = unxmlify($link['attribs']['']['href']);
 244                         }
 245                 }
 246         }
 247
 248         $rawactor = $item->get_item_tags(NAMESPACE_ACTIVITY, 'actor');
 249
 250         if($rawactor && activity_match($rawactor[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data'],ACTIVITY_OBJ_PERSON)) {
 251                 $base = $rawactor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'];
 252                 if($base && count($base)) {
 253                         foreach($base as $link) {
 254                                 if($link['attribs']['']['rel'] === 'alternate' && (! $res['author-link']))
 255                                         $res['author-link'] = unxmlify($link['attribs']['']['href']);
 256                                 if(! $res['author-avatar']) {
 257                                         if($link['attribs']['']['rel'] === 'avatar' || $link['attribs']['']['rel'] === 'photo')
 258                                                 $res['author-avatar'] = unxmlify($link['attribs']['']['href']);
 259                                 }
 260                         }
 261                 }
 262         }
 263
 264         // No photo/profile-link on the item - look at the feed level
 265
 266         if((! $res['author-link']) || (! $res['author-avatar'])) {
 267                 $rawauthor = $feed->get_feed_tags(SIMPLEPIE_NAMESPACE_ATOM_10,'author');
 268                 if($rawauthor && $rawauthor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link']) {
 269                         $base = $rawauthor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'];
 270                         foreach($base as $link) {
 271                                 if($link['attribs']['']['rel'] === 'alternate' && (! $res['author-link']))
 272                                         $res['author-link'] = unxmlify($link['attribs']['']['href']);
 273                                 if(! $res['author-avatar']) {
 274                                         if($link['attribs']['']['rel'] === 'photo' || $link['attribs']['']['rel'] === 'avatar')
 275                                                 $res['author-avatar'] = unxmlify($link['attribs']['']['href']);
 276                                 }
 277                         }
 278                 }
 279
 280                 $rawactor = $feed->get_feed_tags(NAMESPACE_ACTIVITY, 'subject');
 281
 282                 if($rawactor && activity_match($rawactor[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data'],ACTIVITY_OBJ_PERSON)) {
 283                         $base = $rawactor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'];
 284
 285                         if($base && count($base)) {
 286                                 foreach($base as $link) {
 287                                         if($link['attribs']['']['rel'] === 'alternate' && (! $res['author-link']))
 288                                                 $res['author-link'] = unxmlify($link['attribs']['']['href']);
 289                                         if(! $res['author-avatar']) {
 290                                                 if($link['attribs']['']['rel'] === 'avatar' || $link['attribs']['']['rel'] === 'photo')
 291                                                         $res['author-avatar'] = unxmlify($link['attribs']['']['href']);
 292                                         }
 293                                 }
 294                         }
 295                 }
 296         }
 297
 298
 299         $maxlen = get_max_import_size();
 300         if($maxlen && (strlen($res['body']) > $maxlen))
 301                 $res['body'] = substr($res['body'],0, $maxlen);
 302
 303         // It isn't certain at this point whether our content is plaintext or html and we'd be foolish to trust
 304         // the content type. Our own network only emits text normally, though it might have been converted to
 305         // html if we used a pubsubhubbub transport. But if we see even one html open tag in our text, we will
 306         // have to assume it is all html and needs to be purified.
 307
 308         // It doesn't matter all that much security wise - because before this content is used anywhere, we are
 309         // going to escape any tags we find regardless, but this lets us import a limited subset of html from
 310         // the wild, by sanitising it and converting supported tags to bbcode before we rip out any remaining
 311         // html.
 312
 313
 314         if(strpos($res['body'],'<')) {
 315
 316                 $res['body'] = preg_replace('#<object[^>]+>.+?' . 'http://www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+).+?</object>#s',
 317                         '[youtube]$1[/youtube]', $res['body']);
 318
 319                 $config = HTMLPurifier_Config::createDefault();
 320                 $config->set('Cache.DefinitionImpl', null);
 321
 322                 // we shouldn't need a whitelist, because the bbcode converter
 323                 // will strip out any unsupported tags.
 324                 // $config->set('HTML.Allowed', 'p,b,a[href],i');
 325
 326                 $purifier = new HTMLPurifier($config);
 327                 $res['body'] = $purifier->purify($res['body']);
 328         }
 329
 330
 331         $res['body'] = html2bbcode($res['body']);
 332
 333
 334         $allow = $item->get_item_tags(NAMESPACE_DFRN,'comment-allow');
 335         if($allow && $allow[0]['data'] == 1)
 336                 $res['last-child'] = 1;
 337         else
 338                 $res['last-child'] = 0;
 339
 340         $rawcreated = $item->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10,'published');
 341         if($rawcreated)
 342                 $res['created'] = unxmlify($rawcreated[0]['data']);
 343
 344         $rawlocation = $item->get_item_tags(NAMESPACE_DFRN, 'location');
 345         if($rawlocation)
 346                 $res['location'] = unxmlify($rawlocation[0]['data']);
 347
 348
 349         $rawedited = $item->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10,'updated');
 350         if($rawedited)
 351                 $res['edited'] = unxmlify($rawcreated[0]['data']);
 352
 353         $rawowner = $item->get_item_tags(NAMESPACE_DFRN, 'owner');
 354         if($rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'])
 355                 $res['owner-name'] = unxmlify($rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']);
 356         elseif($rawowner[0]['child'][NAMESPACE_DFRN]['name'][0]['data'])
 357                 $res['owner-name'] = unxmlify($rawowner[0]['child'][NAMESPACE_DFRN]['name'][0]['data']);
 358         if($rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'])
 359                 $res['owner-link'] = unxmlify($rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']);
 360         elseif($rawowner[0]['child'][NAMESPACE_DFRN]['uri'][0]['data'])
 361                 $res['owner-link'] = unxmlify($rawowner[0]['child'][NAMESPACE_DFRN]['uri'][0]['data']);
 362
 363         if($rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link']) {
 364                 $base = $rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'];
 365
 366                 foreach($base as $link) {
 367                         if(! $res['owner-avatar']) {
 368                                 if($link['attribs']['']['rel'] === 'photo' || $link['attribs']['']['rel'] === 'avatar')
 369                                         $res['owner-avatar'] = unxmlify($link['attribs']['']['href']);
 370                         }
 371                 }
 372         }
 373
 374         $rawgeo = $item->get_item_tags(NAMESPACE_GEORSS,'point');
 375         if($rawgeo)
 376                 $res['coord'] = unxmlify($rawgeo[0]['data']);
 377
 378
 379         $rawverb = $item->get_item_tags(NAMESPACE_ACTIVITY, 'verb');
 380         // select between supported verbs
 381         if($rawverb)
 382                 $res['verb'] = unxmlify($rawverb[0]['data']);
 383
 384         $rawobj = $item->get_item_tags(NAMESPACE_ACTIVITY, 'object');
 385
 386         if($rawobj) {
 387                 $res['object'] = '<object>' . "\n";
 388                 if($rawobj[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data']) {
 389                         $res['object-type'] = $rawobj[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data'];
 390                         $res['object'] .= '<type>' . $rawobj[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data'] . '</type>' . "\n";
 391                 }
 392                 if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['id'][0]['data'])
 393                         $res['object'] .= '<id>' . $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['id'][0]['data'] . '</id>' . "\n";
 394
 395                 if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'][0]['attribs']['']['rel'] === 'alternate')
 396                         $res['object'] .= '<link>' . $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'][0]['attribs']['']['href'] . '</link>' . "\n";
 397                 if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['title'][0]['data'])
 398                         $res['object'] .= '<title>' . $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['title'][0]['data'] . '</title>' . "\n";
 399                 if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['content'][0]['data']) {
 400                         $body = $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['content'][0]['data'];
 401                         if(! $body)
 402                                 $body = $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['summary'][0]['data'];
 403                         if(strpos($body,'<')) {
 404
 405                                 $body = preg_replace('#<object[^>]+>.+?' . 'http://www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+).+?</object>#s',
 406                                         '[youtube]$1[/youtube]', $body);
 407
 408                                 $config = HTMLPurifier_Config::createDefault();
 409                                 $config->set('Cache.DefinitionImpl', null);
 410
 411                                 $purifier = new HTMLPurifier($config);
 412                                 $body = $purifier->purify($body);
 413                         }
 414
 415                         $body = html2bbcode($body);
 416                         $res['object'] .= '<content>' . $body . '</content>' . "\n";
 417                 }
 418
 419                 $res['object'] .= '</object>' . "\n";
 420         }
 421
 422         return $res;
 423 }
 424
 425 function item_store($arr) {
 426
 427         if($arr['gravity'])
 428                 $arr['gravity'] = intval($arr['gravity']);
 429         elseif($arr['parent-uri'] == $arr['uri'])
 430                 $arr['gravity'] = 0;
 431         elseif(activity_match($arr['verb'],ACTIVITY_POST))
 432                 $arr['gravity'] = 6;
 433
 434         if(! x($arr,'type'))
 435                 $arr['type'] = 'remote';
 436         $arr['wall'] = ((intval($arr['wall'])) ? 1 : 0);
 437         $arr['uri'] = notags(trim($arr['uri']));
 438         $arr['author-name'] = notags(trim($arr['author-name']));
 439         $arr['author-link'] = notags(trim($arr['author-link']));
 440         $arr['author-avatar'] = notags(trim($arr['author-avatar']));
 441         $arr['owner-name'] = notags(trim($arr['owner-name']));
 442         $arr['owner-link'] = notags(trim($arr['owner-link']));
 443         $arr['owner-avatar'] = notags(trim($arr['owner-avatar']));
 444         $arr['created'] = ((x($arr,'created') !== false) ? datetime_convert('UTC','UTC',$arr['created']) : datetime_convert());
 445         $arr['edited']  = ((x($arr,'edited')  !== false) ? datetime_convert('UTC','UTC',$arr['edited'])  : datetime_convert());
 446         $arr['changed'] = datetime_convert();
 447         $arr['title'] = notags(trim($arr['title']));
 448         $arr['location'] = notags(trim($arr['location']));
 449         $arr['coord'] = notags(trim($arr['coord']));
 450         $arr['body'] = escape_tags(trim($arr['body']));
 451         $arr['last-child'] = intval($arr['last-child']);
 452         $arr['visible'] = ((x($arr,'visible') !== false) ? intval($arr['visible']) : 1);
 453         $arr['deleted'] = 0;
 454         $arr['parent-uri'] = notags(trim($arr['parent-uri']));
 455         $arr['verb'] = notags(trim($arr['verb']));
 456         $arr['object-type'] = notags(trim($arr['object-type']));
 457         $arr['object'] = trim($arr['object']);
 458
 459         $parent_id = 0;
 460         $parent_missing = false;
 461
 462         dbesc_array($arr);
 463
 464         $r = q("INSERT INTO `item` (`"
 465                         . implode("`, `", array_keys($arr))
 466                         . "`) VALUES ('"
 467                         . implode("', '", array_values($arr))
 468                         . "')" );
 469
 470         // find the parent and snarf the item id and ACL's
 471
 472         $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 473                 dbesc($arr['parent-uri']),
 474                 intval($arr['uid'])
 475         );
 476
 477         if(count($r)) {
 478                 $parent_id = $r[0]['id'];
 479                 $allow_cid = $r[0]['allow_cid'];
 480                 $allow_gid = $r[0]['allow_gid'];
 481                 $deny_cid  = $r[0]['deny_cid'];
 482                 $deny_gid  = $r[0]['deny_gid'];
 483         }
 484         else {
 485                 $parent_missing = true;
 486         }
 487
 488         $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 489                 $arr['uri'],           // already dbesc'd
 490                 intval($arr['uid'])
 491         );
 492         if(count($r))
 493                 $current_post = $r[0]['id'];
 494         else
 495                 return 0;
 496
 497         if($parent_missing) {
 498
 499                 // perhaps the parent was deleted, but in any case, this thread is dead
 500                 // and unfortunately our brand new item now has to be destroyed
 501
 502                 q("DELETE FROM `item` WHERE `id` = %d LIMIT 1",
 503                         intval($current_post)
 504                 );
 505                 return 0;
 506         }
 507
 508         // Set parent id - all of the parent's ACL's are also inherited by this post
 509
 510         $r = q("UPDATE `item` SET `parent` = %d, `allow_cid` = '%s', `allow_gid` = '%s',
 511                 `deny_cid` = '%s', `deny_gid` = '%s' WHERE `id` = %d LIMIT 1",
 512                 intval($parent_id),
 513                 dbesc($allow_cid),
 514                 dbesc($allow_gid),
 515                 dbesc($deny_cid),
 516                 dbesc($deny_gid),
 517                 intval($current_post)
 518         );
 519
 520         return $current_post;
 521 }
 522
 523 function get_item_contact($item,$contacts) {
 524         if(! count($contacts) || (! is_array($item)))
 525                 return false;
 526         foreach($contacts as $contact) {
 527                 if($contact['id'] == $item['contact-id']) {
 528                         return $contact;
 529                         break; // NOTREACHED
 530                 }
 531         }
 532         return false;
 533 }
 534
 535
 536 function dfrn_deliver($owner,$contact,$atom) {
 537
 538
 539         if((! strlen($contact['dfrn-id'])) && (! $contact['duplex']) && (! ($owner['page-flags'] == PAGE_COMMUNITY)))
 540                 return 3;
 541
 542         $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
 543
 544         if($contact['duplex'] && $contact['dfrn-id'])
 545                 $idtosend = '0:' . $orig_id;
 546         if($contact['duplex'] && $contact['issued-id'])
 547                 $idtosend = '1:' . $orig_id;
 548
 549         $url = $contact['notify'] . '?dfrn_id=' . $idtosend . '&dfrn_version=' . DFRN_PROTOCOL_VERSION ;
 550
 551         logger('dfrn_deliver: ' . $url);
 552
 553         $xml = fetch_url($url);
 554
 555         logger('dfrn_deliver: ' . $xml);
 556
 557         if(! $xml)
 558                 return 3;
 559
 560         $res = simplexml_load_string($xml);
 561
 562         if((intval($res->status) != 0) || (! strlen($res->challenge)) || (! strlen($res->dfrn_id)))
 563                 return (($res->status) ? $res->status : 3);
 564
 565         $postvars     = array();
 566         $sent_dfrn_id = hex2bin($res->dfrn_id);
 567         $challenge    = hex2bin($res->challenge);
 568
 569         $final_dfrn_id = '';
 570
 571
 572
 573         if(($contact['duplex'] && strlen($contact['prvkey'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) {
 574                 openssl_private_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['prvkey']);
 575                 openssl_private_decrypt($challenge,$postvars['challenge'],$contact['prvkey']);
 576         }
 577         else {
 578                 openssl_public_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['pubkey']);
 579                 openssl_public_decrypt($challenge,$postvars['challenge'],$contact['pubkey']);
 580         }
 581
 582         $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
 583
 584         if(strpos($final_dfrn_id,':') == 1)
 585                 $final_dfrn_id = substr($final_dfrn_id,2);
 586
 587         if($final_dfrn_id != $orig_id) {
 588                 logger('dfrn_deliver: wrong dfrn_id.');
 589                 // did not decode properly - cannot trust this site
 590                 return 3;
 591         }
 592
 593         $postvars['dfrn_id']      = $idtosend;
 594         $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
 595
 596         if(($contact['rel']) && ($contact['rel'] != REL_FAN) && (! $contact['blocked']) && (! $contact['readonly'])) {
 597                 $postvars['data'] = $atom;
 598         }
 599         elseif($owner['page-flags'] == PAGE_COMMUNITY) {
 600                 $postvars['data'] = $atom;
 601         }
 602         else {
 603                 $postvars['data'] = str_replace('<dfrn:comment-allow>1','<dfrn:comment-allow>0',$atom);
 604         }
 605
 606         $xml = post_url($contact['notify'],$postvars);
 607
 608         logger('dfrn_deliver: ' . "SENDING: " . print_r($postvars,true) . "\n" . "RECEIVING: " . $xml);
 609
 610         $res = simplexml_load_string($xml);
 611
 612         return $res->status;
 613
 614 }
 615
 616
 617 /*
 618  *
 619  * consume_feed - process atom feed and update anything/everything we might need to update
 620  *
 621  * $xml = the (atom) feed to consume - no RSS spoken here, it might partially work since simplepie
 622  *        handles both, but we don't claim it will work well, and are reasonably certain it won't.
 623  * $importer = the contact_record (joined to user_record) of the local user who owns this relationship.
 624  *             It is this person's stuff that is going to be updated.
 625  * $contact =  the person who is sending us stuff. If not set, we MAY be processing a "follow" activity
 626  *             from an external network and MAY create an appropriate contact record. Otherwise, we MUST
 627  *             have a contact record.
 628  * $hub = should wefind ahub declation in the feed, pass it back to our calling process, who might (or
 629  *        might not) try and subscribe to it.
 630  *
 631  */
 632
 633 function consume_feed($xml,$importer,$contact, &$hub) {
 634
 635         require_once('simplepie/simplepie.inc');
 636
 637         $feed = new SimplePie();
 638         $feed->set_raw_data($xml);
 639         $feed->enable_order_by_date(false);
 640         $feed->init();
 641
 642         // Check at the feed level for updated contact name and/or photo
 643         $debugging = get_config('system','debugging');
 644
 645         $name_updated  = '';
 646         $new_name = '';
 647         $photo_timestamp = '';
 648         $photo_url = '';
 649
 650
 651         $hubs = $feed->get_links('hub');
 652
 653         if(count($hubs))
 654                 $hub = implode(',', $hubs);
 655
 656         $rawtags = $feed->get_feed_tags( SIMPLEPIE_NAMESPACE_ATOM_10, 'author');
 657         if($rawtags) {
 658                 $elems = $rawtags[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10];
 659                 if($elems['name'][0]['attribs'][NAMESPACE_DFRN]['updated']) {
 660                         $name_updated = $elems['name'][0]['attribs'][NAMESPACE_DFRN]['updated'];
 661                         $new_name = $elems['name'][0]['data'];
 662                 }
 663                 if(($elems['link'][0]['attribs']['']['rel'] === 'photo') && ($elems['link'][0]['attribs'][NAMESPACE_DFRN]['updated'])) {
 664                         $photo_timestamp = datetime_convert('UTC','UTC',$elems['link'][0]['attribs'][NAMESPACE_DFRN]['updated']);
 665                         $photo_url = $elems['link'][0]['attribs']['']['href'];
 666                 }
 667         }
 668         if(! $photo_timestamp) {
 669                 $photo_rawupdate = $feed->get_feed_tags(NAMESPACE_DFRN,'icon-updated');
 670                 if($photo_rawupdate) {
 671                         $photo_timestamp = datetime_convert('UTC','UTC',$photo_rawupdate[0]['data']);
 672                         $photo_url = $feed->get_image_url();
 673                 }
 674         }
 675         if((is_array($contact)) && ($photo_timestamp) && (strlen($photo_url)) && ($photo_timestamp > $contact['avatar-date'])) {
 676
 677                 require_once("Photo.php");
 678                 $photo_failure = false;
 679
 680                 $r = q("SELECT `resource-id` FROM `photo` WHERE `contact-id` = %d AND `uid` = %d LIMIT 1",
 681                         intval($contact['id']),
 682                         intval($contact['uid'])
 683                 );
 684                 if(count($r)) {
 685                         $resource_id = $r[0]['resource-id'];
 686                         $img_str = fetch_url($photo_url,true);
 687                         $img = new Photo($img_str);
 688                         if($img->is_valid()) {
 689                                 q("DELETE FROM `photo` WHERE `resource-id` = '%s' AND contact-id` = %d AND `uid` = %d",
 690                                         dbesc($resource_id),
 691                                         intval($contact['id']),
 692                                         intval($contact['uid'])
 693                                 );
 694
 695                                 $img->scaleImageSquare(175);
 696
 697                                 $hash = $resource_id;
 698                                 $r = $img->store($contact['uid'], $contact['id'], $hash, basename($photo_url), t('Contact Photos') , 4);
 699
 700                                 $img->scaleImage(80);
 701                                 $r = $img->store($contact['uid'], $contact['id'], $hash, basename($photo_url), t('Contact Photos') , 5);
 702                                 if($r)
 703                                         q("UPDATE `contact` SET `avatar-date` = '%s' WHERE `uid` = %d AND `id` = %d LIMIT 1",
 704                                                 dbesc(datetime_convert()),
 705                                                 intval($contact['uid']),
 706                                                 intval($contact['id'])
 707                                         );
 708                         }
 709                 }
 710         }
 711
 712         if((is_array($contact)) && ($name_updated) && (strlen($new_name)) && ($name_updated > $contact['name-date'])) {
 713                 q("UPDATE `contact` SET `name` = '%s', `name-date` = '%s' WHERE `uid` = %d AND `id` = %d LIMIT 1",
 714                         dbesc(notags(trim($new_name))),
 715                         dbesc(datetime_convert()),
 716                         intval($contact['uid']),
 717                         intval($contact['id'])
 718                 );
 719         }
 720
 721         // Now process the feed
 722         if($feed->get_item_quantity()) {
 723                 foreach($feed->get_items() as $item) {
 724
 725                         $deleted = false;
 726
 727                         $rawdelete = $item->get_item_tags( NAMESPACE_TOMB, 'deleted-entry');
 728                         if(isset($rawdelete[0]['attribs']['']['ref'])) {
 729                                 $uri = $rawthread[0]['attribs']['']['ref'];
 730                                 $deleted = true;
 731                                 if(isset($rawdelete[0]['attribs']['']['when'])) {
 732                                         $when = $rawthread[0]['attribs']['']['when'];
 733                                         $when = datetime_convert('UTC','UTC', $when, 'Y-m-d H:i:s');
 734                                 }
 735                                 else
 736                                         $when = datetime_convert('UTC','UTC','now','Y-m-d H:i:s');
 737                         }
 738                         if($deleted && is_array($contact)) {
 739                                 $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d AND `contact-id` = %d LIMIT 1",
 740                                         dbesc($uri),
 741                                         intval($importer['uid']),
 742                                         intval($contact['id'])
 743                                 );
 744                                 if(count($r)) {
 745                                         $item = $r[0];
 746                                         if($item['uri'] == $item['parent-uri']) {
 747                                                 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s',
 748                                                         `body` = '', `title` = ''
 749                                                         WHERE `parent-uri` = '%s' AND `uid` = %d",
 750                                                         dbesc($when),
 751                                                         dbesc(datetime_convert()),
 752                                                         dbesc($item['uri']),
 753                                                         intval($importer['uid'])
 754                                                 );
 755                                         }
 756                                         else {
 757                                                 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s',
 758                                                         `body` = '', `title` = ''
 759                                                         WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 760                                                         dbesc($when),
 761                                                         dbesc(datetime_convert()),
 762                                                         dbesc($uri),
 763                                                         intval($importer['uid'])
 764                                                 );
 765                                                 if($item['last-child']) {
 766                                                         // ensure that last-child is set in case the comment that had it just got wiped.
 767                                                         $q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ",
 768                                                                 dbesc(datetime_convert()),
 769                                                                 dbesc($item['parent-uri']),
 770                                                                 intval($item['uid'])
 771                                                         );
 772                                                         // who is the last child now?
 773                                                         $r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `uid` = %d
 774                                                                 ORDER BY `created` DESC LIMIT 1",
 775                                                                         dbesc($item['parent-uri']),
 776                                                                         intval($importer['uid'])
 777                                                         );
 778                                                         if(count($r)) {
 779                                                                 q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d LIMIT 1",
 780                                                                         intval($r[0]['id'])
 781                                                                 );
 782                                                         }
 783                                                 }
 784                                         }
 785                                 }
 786                                 continue;
 787                         }
 788
 789
 790                         $is_reply = false;
 791                         $item_id = $item->get_id();
 792                         $rawthread = $item->get_item_tags( NAMESPACE_THREAD,'in-reply-to');
 793                         if(isset($rawthread[0]['attribs']['']['ref'])) {
 794                                 $is_reply = true;
 795                                 $parent_uri = $rawthread[0]['attribs']['']['ref'];
 796                         }
 797
 798
 799                         if(($is_reply) && is_array($contact)) {
 800
 801                                 // Have we seen it? If not, import it.
 802
 803                                 $item_id = $item->get_id();
 804
 805                                 $r = q("SELECT `uid`, `last-child`, `edited` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 806                                         dbesc($item_id),
 807                                         intval($importer['uid'])
 808                                 );
 809                                 // FIXME update content if 'updated' changes
 810                                 if(count($r)) {
 811                                         $allow = $item->get_item_tags( NAMESPACE_DFRN, 'comment-allow');
 812                                         if($allow && $allow[0]['data'] != $r[0]['last-child']) {
 813                                                 $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d",
 814                                                         dbesc(datetime_convert()),
 815                                                         dbesc($parent_uri),
 816                                                         intval($importer['uid'])
 817                                                 );
 818                                                 $r = q("UPDATE `item` SET `last-child` = %d , `changed` = '%s'  WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 819                                                         intval($allow[0]['data']),
 820                                                         dbesc(datetime_convert()),
 821                                                         dbesc($item_id),
 822                                                         intval($importer['uid'])
 823                                                 );
 824
 825                                         }
 826                                         continue;
 827                                 }
 828                                 $datarray = get_atom_elements($feed,$item);
 829                                 if($contact['network'] === 'stat' && strlen($datarray['title']))
 830                                         unset($datarray['title']);
 831                                 $datarray['parent-uri'] = $parent_uri;
 832                                 $datarray['uid'] = $importer['uid'];
 833                                 $datarray['contact-id'] = $contact['id'];
 834                                 if((activity_match($datarray['verb'],ACTIVITY_LIKE)) || (activity_match($datarray['verb'],ACTIVITY_DISLIKE))) {
 835                                         $datarray['type'] = 'activity';
 836                                         $datarray['gravity'] = GRAVITY_LIKE;
 837                                 }
 838
 839                                 $r = item_store($datarray);
 840                                 continue;
 841                         }
 842
 843                         else {
 844                                 // Head post of a conversation. Have we seen it? If not, import it.
 845
 846                                 $item_id = $item->get_id();
 847                                 $r = q("SELECT `uid`, `last-child`, `edited` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 848                                         dbesc($item_id),
 849                                         intval($importer['uid'])
 850                                 );
 851                                 if(count($r)) {
 852                                         $allow = $item->get_item_tags( NAMESPACE_DFRN, 'comment-allow');
 853                                         if($allow && $allow[0]['data'] != $r[0]['last-child']) {
 854                                                 $r = q("UPDATE `item` SET `last-child` = %d , `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 855                                                         intval($allow[0]['data']),
 856                                                         dbesc(datetime_convert()),
 857                                                         dbesc($item_id),
 858                                                         intval($importer['uid'])
 859                                                 );
 860                                         }
 861                                         continue;
 862                                 }
 863                                 $datarray = get_atom_elements($feed,$item);
 864
 865                                 if(activity_match($datarray['verb'],ACTIVITY_FOLLOW)) {
 866                                         logger('consume-feed: New follower');
 867                                         new_follower($importer,$contact,$datarray,$item);
 868                                         return;
 869                                 }
 870                                 if(activity_match($datarray['verb'],ACTIVITY_UNFOLLOW))  {
 871                                         lose_follower($importer,$contact,$datarray,$item);
 872                                         return;
 873                                 }
 874                                 if(! is_array($contact))
 875                                         return;
 876
 877                                 if($contact['network'] === 'stat') {
 878                                         if(strlen($datarray['title']))
 879                                                 unset($datarray['title']);
 880                                         if(($contact['rel'] == REL_VIP) || ($contact['rel'] == REL_BUD))
 881                                                 $datarray['last-child'] = 1;
 882                                 }
 883                                 $datarray['parent-uri'] = $item_id;
 884                                 $datarray['uid'] = $importer['uid'];
 885                                 $datarray['contact-id'] = $contact['id'];
 886                                 $r = item_store($datarray);
 887                                 continue;
 888
 889                         }
 890                 }
 891         }
 892
 893 }
 894
 895 function new_follower($importer,$contact,$datarray,$item) {
 896         $url = notags(trim($datarray['author-link']));
 897         $name = notags(trim($datarray['author-name']));
 898         $photo = notags(trim($datarray['author-avatar']));
 899
 900         $rawtag = $item->get_item_tags(NAMESPACE_ACTIVITY,'actor');
 901         if($rawtag && $rawtag[0]['child'][NAMESPACE_POCO]['preferredUsername'][0]['data'])
 902                 $nick = $rawtag[0]['child'][NAMESPACE_POCO]['preferredUsername'][0]['data'];
 903
 904         if(is_array($contact)) {
 905                 if($contact['network'] == 'stat' && $contact['rel'] == REL_FAN) {
 906                         $r = q("UPDATE `contact` SET `rel` = %d WHERE `id` = %d AND `uid` = %d LIMIT 1",
 907                                 intval(REL_BUD),
 908                                 intval($contact['id']),
 909                                 intval($importer['uid'])
 910                         );
 911                 }
 912
 913                 // send email notification to owner?
 914         }
 915         else {
 916
 917                 // create contact record - set to readonly
 918
 919                 $r = q("INSERT INTO `contact` ( `uid`, `created`, `url`, `name`, `nick`, `photo`, `network`, `rel`,
 920                         `blocked`, `readonly`, `pending` )
 921                         VALUES ( %d, '%s', '%s', '%s', '%s', '%s', '%s', %d, 0, 1, 1 ) ",
 922                         intval($importer['uid']),
 923                         dbesc(datetime_convert()),
 924                         dbesc($url),
 925                         dbesc($name),
 926                         dbesc($nick),
 927                         dbesc($photo),
 928                         dbesc('stat'),
 929                         intval(REL_VIP)
 930                 );
 931                 $r = q("SELECT `id` FROM `contact` WHERE `uid` = %d AND `url` = '%s' AND `pending` = 1 AND `rel` = %d LIMIT 1",
 932                                 intval($importer['uid']),
 933                                 dbesc($url),
 934                                 intval(REL_VIP)
 935                 );
 936                 if(count($r))
 937                                 $contact_record = $r[0];
 938
 939                 // create notification
 940                 $hash = random_string();
 941
 942                 if(is_array($contact_record)) {
 943                         $ret = q("INSERT INTO `intro` ( `uid`, `contact-id`, `blocked`, `knowyou`, `hash`, `datetime`)
 944                                 VALUES ( %d, %d, 0, 0, '%s', '%s' )",
 945                                 intval($importer['uid']),
 946                                 intval($contact_record['id']),
 947                                 dbesc($hash),
 948                                 dbesc(datetime_convert())
 949                         );
 950                 }
 951         }
 952 }
 953
 954 function lose_follower($importer,$contact,$datarray,$item) {
 955
 956         if(($contact['rel'] == REL_BUD) || ($contact['rel'] == REL_FAN)) {
 957                 q("UPDATE `contact` SET `rel` = %d WHERE `id` = %d LIMIT 1",
 958                         intval(REL_FAN),
 959                         intval($contact['id'])
 960                 );
 961         }
 962         else {
 963                 contact_remove($contact['id']);
 964         }
 965 }
 966
 967
 968 function subscribe_to_hub($url,$importer,$contact) {
 969
 970         if(is_array($importer)) {
 971                 $r = q("SELECT `nickname` FROM `user` WHERE `uid` = %d LIMIT 1",
 972                         intval($importer['uid'])
 973                 );
 974         }
 975         if(! count($r))
 976                 return;
 977
 978         $push_url = get_config('system','url') . '/pubsub/' . $r[0]['nickname'] . '/' . $contact['id'];
 979
 980         // Use a single verify token, even if multiple hubs
 981
 982         $verify_token = ((strlen($contact['hub-verify'])) ? $contact['hub-verify'] : random_string());
 983
 984         $params= 'hub.mode=subscribe&hub.callback=' . urlencode($push_url) . '&hub.topic=' . urlencode($contact['poll']) . '&hub.verify=async&hub.verify_token=' . $verify_token;
 985
 986         if(! strlen($contact['hub-verify'])) {
 987                 $r = q("UPDATE `contact` SET `hub-verify` = '%s' WHERE `id` = %d LIMIT 1",
 988                         dbesc($verify_token),
 989                         intval($contact['id'])
 990                 );
 991         }
 992
 993         post_url($url,$params);
 994         return;
 995
 996 }
 997
 998
 999 function atom_author($tag,$name,$uri,$h,$w,$photo) {
1000         $o = '';
1001         if(! $tag)
1002                 return $o;
1003         $name = xmlify($name);
1004         $uri = xmlify($uri);
1005         $h = intval($h);
1006         $w = intval($w);
1007         $photo = xmlify($photo);
1008
1009
1010         $o .= "<$tag>\r\n";
1011         $o .= "<name>$name</name>\r\n";
1012         $o .= "<uri>$uri</uri>\r\n";
1013         $o .= '<link rel="photo"  type="image/jpeg" media:width="' . $w . '" media:height="' . $h . '" href="' . $photo . '" />' . "\r\n";
1014         $o .= '<link rel="avatar" type="image/jpeg" media:width="' . $w . '" media:height="' . $h . '" href="' . $photo . '" />' . "\r\n";
1015         $o .= "</$tag>\r\n";
1016         return $o;
1017 }
1018
1019 function atom_entry($item,$type,$author,$owner,$comment = false) {
1020
1021         if($item['deleted'])
1022                 return '<at:deleted-entry ref="' . xmlify($item['uri']) . '" when="' . xmlify(datetime_convert('UTC','UTC',$item['edited'] . '+00:00',ATOM_TIME)) . '" />' . "\r\n";
1023
1024         $a = get_app();
1025
1026         $o = "\r\n\r\n<entry>\r\n";
1027
1028         if(is_array($author))
1029                 $o .= atom_author('author',$author['name'],$author['url'],80,80,$author['thumb']);
1030         else
1031                 $o .= atom_author('author',$item['name'],$item['url'],80,80,$item['thumb']);
1032         if(strlen($item['owner-name']))
1033                 $o .= atom_author('dfrn:owner',$item['owner-name'],$item['owner-link'],80,80,$item['owner-avatar']);
1034
1035         if($item['parent'] != $item['id'])
1036                 $o .= '<thr:in-reply-to ref="' . xmlify($item['parent-uri']) . '" type="text/html" href="' .  xmlify($a->get_baseurl() . '/display/' . $owner['nickname'] . '/' . $item['id']) . '" />' . "\r\n";
1037
1038         $o .= '<id>' . xmlify($item['uri']) . '</id>' . "\r\n";
1039         $o .= '<title>' . xmlify($item['title']) . '</title>' . "\r\n";
1040         $o .= '<published>' . xmlify(datetime_convert('UTC','UTC',$item['created'] . '+00:00',ATOM_TIME)) . '</published>' . "\r\n";
1041         $o .= '<updated>' . xmlify(datetime_convert('UTC','UTC',$item['edited'] . '+00:00',ATOM_TIME)) . '</updated>' . "\r\n";
1042         $o .= '<content type="' . $type . '" >' . xmlify(($type === 'html') ? bbcode($item['body']) : $item['body']) . '</content>' . "\r\n";
1043         $o .= '<link rel="alternate" href="' . xmlify($a->get_baseurl() . '/display/' . $owner['nickname'] . '/' . $item['id']) . '" />' . "\r\n";
1044         if($comment)
1045                 $o .= '<dfrn:comment-allow>' . intval($item['last-child']) . '</dfrn:comment-allow>' . "\r\n";
1046         if($item['location'])
1047                 $o .= '<dfrn:location>' . xmlify($item['location']) . '</dfrn:location>' . "\r\n";
1048         if($item['coord'])
1049                 $o .= '<georss:point>' . xmlify($item['coord']) . '</georss:point>' . "\r\n";
1050
1051         $verb = construct_verb($item);
1052         $o .= '<as:verb>' . xmlify($verb) . '</as:verb>' . "\r\n";
1053         $actobj = construct_activity($item);
1054         if(strlen($actobj))
1055                 $o .= $actobj;
1056
1057         $mentioned = get_mentions($item);
1058         if($mentioned)
1059                 $o .= $mentioned;
1060
1061         $o .= '</entry>' . "\r\n";
1062
1063         return $o;
1064 }
1065