]> git.mxchange.org Git - friendica.git/blobdiff - include/items.php
provide a way to disable mailbox integration
[friendica.git] / include / items.php
index 9c29e6558634f963f8ffefa50ff050eeac023b21..733cd8048410911943cc79d867b3c306e85695ac 100644 (file)
@@ -180,7 +180,7 @@ function construct_activity_object($item) {
 
        if($item['object']) {
                $o = '<as:object>' . "\r\n";
-               $r = @simplexml_load_string($item['object']);
+               $r = parse_xml_string($item['object']);
                if($r->type)
                        $o .= '<as:object-type>' . xmlify($r->type) . '</as:object-type>' . "\r\n";
                if($r->id)
@@ -206,7 +206,7 @@ function construct_activity_target($item) {
 
        if($item['target']) {
                $o = '<as:target>' . "\r\n";
-               $r = @simplexml_load_string($item['target']);
+               $r = parse_xml_string($item['target']);
                if($r->type)
                        $o .= '<as:object-type>' . xmlify($r->type) . '</as:object-type>' . "\r\n";
                if($r->id)
@@ -241,12 +241,18 @@ function get_atom_elements($feed,$item) {
        $res = array();
 
        $author = $item->get_author();
-       $res['author-name'] = unxmlify($author->get_name());
-       $res['author-link'] = unxmlify($author->get_link());
+       if($author) { 
+               $res['author-name'] = unxmlify($author->get_name());
+               $res['author-link'] = unxmlify($author->get_link());
+       }
+       else {
+               $res['author-name'] = unxmlify($feed->get_title());
+               $res['author-link'] = unxmlify($feed->get_permalink());
+       }
        $res['uri'] = unxmlify($item->get_id());
        $res['title'] = unxmlify($item->get_title());
        $res['body'] = unxmlify($item->get_content());
-
+       $res['plink'] = unxmlify($item->get_link(0));
 
        // look for a photo. We should check media size and find the best one,
        // but for now let's just find any author photo
@@ -343,14 +349,13 @@ function get_atom_elements($feed,$item) {
        // the wild, by sanitising it and converting supported tags to bbcode before we rip out any remaining 
        // html.
 
-
        if((strpos($res['body'],'<') !== false) || (strpos($res['body'],'>') !== false)) {
 
                $res['body'] = preg_replace('#<object[^>]+>.+?' . 'http://www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+).+?</object>#s',
                        '[youtube]$1[/youtube]', $res['body']);
 
                $res['body'] = oembed_html2bbcode($res['body']);
-       
+
                $config = HTMLPurifier_Config::createDefault();
                $config->set('Cache.DefinitionImpl', null);
 
@@ -363,7 +368,7 @@ function get_atom_elements($feed,$item) {
 
                $res['body'] = html2bbcode($res['body']);
        }
-       
+
        $allow = $item->get_item_tags(NAMESPACE_DFRN,'comment-allow');
        if($allow && $allow[0]['data'] == 1)
                $res['last-child'] = 1;
@@ -401,6 +406,17 @@ function get_atom_elements($feed,$item) {
                $res['edited'] = $item->get_date('c');
 
 
+       // Disallow time travelling posts
+
+       $d1 = strtotime($res['created']);
+       $d2 = strtotime($res['edited']);
+       $d3 = strtotime('now');
+
+       if($d1 > $d3)
+               $res['created'] = datetime_convert();
+       if($d2 > $d3)
+               $res['edited'] = datetime_convert();
+
        $rawowner = $item->get_item_tags(NAMESPACE_DFRN, 'owner');
        if($rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'])
                $res['owner-name'] = unxmlify($rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']);
@@ -440,7 +456,45 @@ function get_atom_elements($feed,$item) {
        if((x($res,'verb')) && ($res['verb'] === 'http://ostatus.org/schema/1.0/unfollow'))
                $res['verb'] = ACTIVITY_UNFOLLOW;
 
-               
+
+       $cats = $item->get_categories();
+       if($cats) {
+               $tag_arr = array();
+               foreach($cats as $cat) {
+                       $term = $cat->get_term();
+                       if(! $term)
+                               $term = $cat->get_label();
+                       $scheme = $cat->get_scheme();
+                       if($scheme && $term && stristr($scheme,'X-DFRN:'))
+                               $tag_arr[] = substr($scheme,7,1) . '[url=' . unxmlify(substr($scheme,9)) . ']' . unxmlify($term) . '[/url]';
+                       elseif($term)
+                               $tag_arr[] = notags(trim($term));
+               }
+               $res['tag'] =  implode(',', $tag_arr);
+       }
+
+       $attach = $item->get_enclosures();
+       if($attach) {
+               $att_arr = array();
+               foreach($attach as $att) {
+                       $len   = intval($att->get_length());
+                       $link  = str_replace(array(',','"'),array('%2D','%22'),notags(trim(unxmlify($att->get_link()))));
+                       $title = str_replace(array(',','"'),array('%2D','%22'),notags(trim(unxmlify($att->get_title()))));
+                       $type  = str_replace(array(',','"'),array('%2D','%22'),notags(trim(unxmlify($att->get_type()))));
+                       if(strpos($type,';'))
+                               $type = substr($type,0,strpos($type,';'));
+                       if((! $link) || (strpos($link,'http') !== 0))
+                               continue;
+
+                       if(! $title)
+                               $title = ' ';
+                       if(! $type)
+                               $type = 'application/octet-stream';
+
+                       $att_arr[] = '[attach]href="' . $link . '" size="' . $len . '" type="' . $type . '" title="' . $title . '"[/attach]'; 
+               }
+               $res['attach'] = implode(',', $att_arr);
+       }
 
        $rawobj = $item->get_item_tags(NAMESPACE_ACTIVITY, 'object');
 
@@ -591,12 +645,15 @@ function item_store($arr,$force_parent = false) {
        $arr['object']        = ((x($arr,'object'))        ? trim($arr['object'])                : '');
        $arr['target-type']   = ((x($arr,'target-type'))   ? notags(trim($arr['target-type']))   : '');
        $arr['target']        = ((x($arr,'target'))        ? trim($arr['target'])                : '');
+       $arr['plink']         = ((x($arr,'plink'))         ? notags(trim($arr['plink']))         : '');
        $arr['allow_cid']     = ((x($arr,'allow_cid'))     ? trim($arr['allow_cid'])             : '');
        $arr['allow_gid']     = ((x($arr,'allow_gid'))     ? trim($arr['allow_gid'])             : '');
        $arr['deny_cid']      = ((x($arr,'deny_cid'))      ? trim($arr['deny_cid'])              : '');
        $arr['deny_gid']      = ((x($arr,'deny_gid'))      ? trim($arr['deny_gid'])              : '');
        $arr['private']       = ((x($arr,'private'))       ? intval($arr['private'])             : 0 );
        $arr['body']          = ((x($arr,'body'))          ? trim($arr['body'])                  : '');
+       $arr['tag']           = ((x($arr,'tag'))           ? notags(trim($arr['tag']))           : '');
+       $arr['attach']        = ((x($arr,'attach'))        ? notags(trim($arr['attach']))        : '');
 
        if($arr['parent-uri'] === $arr['uri']) {
                $parent_id = 0;
@@ -608,6 +665,7 @@ function item_store($arr,$force_parent = false) {
        else { 
 
                // find the parent and snarf the item id and ACL's
+               // and anything else we need to inherit
 
                $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
                        dbesc($arr['parent-uri']),
@@ -631,6 +689,7 @@ function item_store($arr,$force_parent = false) {
                        $allow_gid      = $r[0]['allow_gid'];
                        $deny_cid       = $r[0]['deny_cid'];
                        $deny_gid       = $r[0]['deny_gid'];
+                       $arr['wall']    = $r[0]['wall'];
                }
                else {
 
@@ -699,6 +758,18 @@ function item_store($arr,$force_parent = false) {
                intval($current_post)
        );
 
+       /**
+        * If this is now the last-child, force all _other_ children of this parent to *not* be last-child
+        */
+
+       if($arr['last-child']) {
+               $r = q("UPDATE `item` SET `last-child` = 0 WHERE `parent-uri` = '%s' AND `uid` = %d AND `id` != %d",
+                       dbesc($arr['uri']),
+                       intval($arr['uid']),
+                       intval($current_post)
+               );
+       }
+
        return $current_post;
 }
 
@@ -736,7 +807,7 @@ function dfrn_deliver($owner,$contact,$atom, $dissolve = false) {
        if(! $rino_enable)
                $rino = 0;
 
-       $url = $contact['notify'] . '?dfrn_id=' . $idtosend . '&dfrn_version=' . DFRN_PROTOCOL_VERSION . (($rino) ? '&rino=1' : '');
+       $url = $contact['notify'] . '&dfrn_id=' . $idtosend . '&dfrn_version=' . DFRN_PROTOCOL_VERSION . (($rino) ? '&rino=1' : '');
 
        logger('dfrn_deliver: ' . $url);
 
@@ -757,7 +828,7 @@ function dfrn_deliver($owner,$contact,$atom, $dissolve = false) {
                return 3;
        }
 
-       $res = simplexml_load_string($xml);
+       $res = parse_xml_string($xml);
 
        if((intval($res->status) != 0) || (! strlen($res->challenge)) || (! strlen($res->dfrn_id)))
                return (($res->status) ? $res->status : 3);
@@ -796,14 +867,14 @@ function dfrn_deliver($owner,$contact,$atom, $dissolve = false) {
        if($dissolve)
                $postvars['dissolve'] = '1';
 
-       if(($contact['rel']) && ($contact['rel'] != REL_FAN) && (! $contact['blocked']) && (! $contact['readonly'])) {
-               $postvars['data'] = $atom;
-       }
-       elseif($owner['page-flags'] == PAGE_COMMUNITY) {
+
+       if((($contact['rel']) && ($contact['rel'] != REL_FAN) && (! $contact['blocked'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) {
                $postvars['data'] = $atom;
+               $postvars['perm'] = 'rw';
        }
        else {
                $postvars['data'] = str_replace('<dfrn:comment-allow>1','<dfrn:comment-allow>0',$atom);
+               $postvars['perm'] = 'r';
        }
 
        if($rino && $rino_allowed && (! $dissolve)) {
@@ -845,26 +916,24 @@ function dfrn_deliver($owner,$contact,$atom, $dissolve = false) {
        if((! $curl_stat) || (! strlen($xml)))
                return(-1); // timed out
 
-
        if(strpos($xml,'<?xml') === false) {
                logger('dfrn_deliver: phase 2: no valid XML returned');
                logger('dfrn_deliver: phase 2: returned XML: ' . $xml, LOGGER_DATA);
                return 3;
        }
 
-       $res = simplexml_load_string($xml);
+       $res = parse_xml_string($xml);
 
-       return $res->status;
+       return $res->status; 
 }
 
 
-/*
+/**
  *
  * consume_feed - process atom feed and update anything/everything we might need to update
  *
- * $xml = the (atom) feed to consume - no RSS spoken here, it might partially work since simplepie 
- *        handles both, but we don't claim it will work well, and are reasonably certain it won't.
+ * $xml = the (atom) feed to consume - RSS isn't as fully supported but may work for simple feeds.
+ *
  * $importer = the contact_record (joined to user_record) of the local user who owns this relationship.
  *             It is this person's stuff that is going to be updated.
  * $contact =  the person who is sending us stuff. If not set, we MAY be processing a "follow" activity
@@ -875,7 +944,7 @@ function dfrn_deliver($owner,$contact,$atom, $dissolve = false) {
  *
  */
 
-function consume_feed($xml,$importer,&$contact, &$hub, $datedir = 0) {
+function consume_feed($xml,$importer,&$contact, &$hub, $datedir = 0, $secure_feed = false) {
 
        require_once('simplepie/simplepie.inc');
 
@@ -890,6 +959,7 @@ function consume_feed($xml,$importer,&$contact, &$hub, $datedir = 0) {
        if($feed->error())
                logger('consume_feed: Error parsing XML: ' . $feed->error());
 
+       $permalink = $feed->get_permalink();
 
        // Check at the feed level for updated contact name and/or photo
 
@@ -1031,25 +1101,18 @@ function consume_feed($xml,$importer,&$contact, &$hub, $datedir = 0) {
 
        }
 
-       // Now process the feed
-       if($feed->get_item_quantity()) {                
 
-        // in inverse date order
-               if ($datedir)
-                       $items = array_reverse($feed->get_items());
-               else
-                       $items = $feed->get_items();
-
-               foreach($items as $item) {
+       // process any deleted entries
 
+       $del_entries = $feed->get_feed_tags(NAMESPACE_TOMB, 'deleted-entry');
+       if(is_array($del_entries) && count($del_entries)) {
+               foreach($del_entries as $dentry) {
                        $deleted = false;
-
-                       $rawdelete = $item->get_item_tags( NAMESPACE_TOMB, 'deleted-entry');
-                       if(isset($rawdelete[0]['attribs']['']['ref'])) {
-                               $uri = $rawthread[0]['attribs']['']['ref'];
+                       if(isset($dentry['attribs']['']['ref'])) {
+                               $uri = $dentry['attribs']['']['ref'];
                                $deleted = true;
-                               if(isset($rawdelete[0]['attribs']['']['when'])) {
-                                       $when = $rawthread[0]['attribs']['']['when'];
+                               if(isset($dentry['attribs']['']['when'])) {
+                                       $when = $dentry['attribs']['']['when'];
                                        $when = datetime_convert('UTC','UTC', $when, 'Y-m-d H:i:s');
                                }
                                else
@@ -1063,6 +1126,10 @@ function consume_feed($xml,$importer,&$contact, &$hub, $datedir = 0) {
                                );
                                if(count($r)) {
                                        $item = $r[0];
+
+                                       if(! $item['deleted'])
+                                               logger('consume_feed: deleting item ' . $item['id'] . ' uri=' . $item['uri'], LOGGER_DEBUG);
+
                                        if($item['uri'] == $item['parent-uri']) {
                                                $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s',
                                                        `body` = '', `title` = ''
@@ -1084,7 +1151,7 @@ function consume_feed($xml,$importer,&$contact, &$hub, $datedir = 0) {
                                                );
                                                if($item['last-child']) {
                                                        // ensure that last-child is set in case the comment that had it just got wiped.
-                                                       $q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ",
+                                                       q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ",
                                                                dbesc(datetime_convert()),
                                                                dbesc($item['parent-uri']),
                                                                intval($item['uid'])
@@ -1103,9 +1170,24 @@ function consume_feed($xml,$importer,&$contact, &$hub, $datedir = 0) {
                                                }       
                                        }
                                }       
-                               continue;
                        }
+               }
+       }
 
+       // Now process the feed
+
+       if($feed->get_item_quantity()) {                
+
+               logger('consume_feed: feed item count = ' . $feed->get_item_quantity());
+
+        // in inverse date order
+               if ($datedir)
+                       $items = array_reverse($feed->get_items());
+               else
+                       $items = $feed->get_items();
+
+
+               foreach($items as $item) {
 
                        $is_reply = false;              
                        $item_id = $item->get_id();
@@ -1115,19 +1197,32 @@ function consume_feed($xml,$importer,&$contact, &$hub, $datedir = 0) {
                                $parent_uri = $rawthread[0]['attribs']['']['ref'];
                        }
 
-
                        if(($is_reply) && is_array($contact)) {
-       
+
                                // Have we seen it? If not, import it.
        
-                               $item_id = $item->get_id();
-       
-                               $r = q("SELECT `uid`, `last-child`, `edited` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
+                               $item_id  = $item->get_id();
+                               $datarray = get_atom_elements($feed,$item);
+
+                               $r = q("SELECT `uid`, `last-child`, `edited`, `body` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
                                        dbesc($item_id),
                                        intval($importer['uid'])
                                );
-                               // FIXME update content if 'updated' changes
+
+                               // Update content if 'updated' changes
+
                                if(count($r)) {
+                                       if((x($datarray,'edited') !== false) && (datetime_convert('UTC','UTC',$datarray['edited']) !== $r[0]['edited'])) {  
+                                               $r = q("UPDATE `item` SET `body` = '%s', `edited` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
+                                                       dbesc($datarray['body']),
+                                                       dbesc(datetime_convert('UTC','UTC',$datarray['edited'])),
+                                                       dbesc($item_id),
+                                                       intval($importer['uid'])
+                                               );
+                                       }
+
+                                       // update last-child if it changes
+
                                        $allow = $item->get_item_tags( NAMESPACE_DFRN, 'comment-allow');
                                        if(($allow) && ($allow[0]['data'] != $r[0]['last-child'])) {
                                                $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d",
@@ -1144,7 +1239,7 @@ function consume_feed($xml,$importer,&$contact, &$hub, $datedir = 0) {
                                        }
                                        continue;
                                }
-                               $datarray = get_atom_elements($feed,$item);
+
                                $force_parent = false;
                                if($contact['network'] === 'stat') {
                                        $force_parent = true;
@@ -1175,14 +1270,32 @@ function consume_feed($xml,$importer,&$contact, &$hub, $datedir = 0) {
                        }
 
                        else {
+
                                // Head post of a conversation. Have we seen it? If not, import it.
 
-                               $item_id = $item->get_id();
-                               $r = q("SELECT `uid`, `last-child`, `edited` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
+                               $item_id  = $item->get_id();
+
+                               $datarray = get_atom_elements($feed,$item);
+
+                               $r = q("SELECT `uid`, `last-child`, `edited`, `body` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
                                        dbesc($item_id),
                                        intval($importer['uid'])
                                );
+
+                               // Update content if 'updated' changes
+
                                if(count($r)) {
+                                       if((x($datarray,'edited') !== false) && (datetime_convert('UTC','UTC',$datarray['edited']) !== $r[0]['edited'])) {  
+                                               $r = q("UPDATE `item` SET `body` = '%s', `edited` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
+                                                       dbesc($datarray['body']),
+                                                       dbesc(datetime_convert('UTC','UTC',$datarray['edited'])),
+                                                       dbesc($item_id),
+                                                       intval($importer['uid'])
+                                               );
+                                       }
+
+                                       // update last-child if it changes
+
                                        $allow = $item->get_item_tags( NAMESPACE_DFRN, 'comment-allow');
                                        if($allow && $allow[0]['data'] != $r[0]['last-child']) {
                                                $r = q("UPDATE `item` SET `last-child` = %d , `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
@@ -1194,7 +1307,6 @@ function consume_feed($xml,$importer,&$contact, &$hub, $datedir = 0) {
                                        }
                                        continue;
                                }
-                               $datarray = get_atom_elements($feed,$item);
 
                                if(activity_match($datarray['verb'],ACTIVITY_FOLLOW)) {
                                        logger('consume-feed: New follower');
@@ -1208,7 +1320,7 @@ function consume_feed($xml,$importer,&$contact, &$hub, $datedir = 0) {
                                if(! is_array($contact))
                                        return;
 
-                               if($contact['network'] === 'stat') {
+                               if($contact['network'] === 'stat' || stristr($permalink,'twitter.com')) {
                                        if(strlen($datarray['title']))
                                                unset($datarray['title']);
                                        $datarray['last-child'] = 1;
@@ -1255,8 +1367,8 @@ function new_follower($importer,$contact,$datarray,$item) {
                // create contact record - set to readonly
 
                $r = q("INSERT INTO `contact` ( `uid`, `created`, `url`, `name`, `nick`, `photo`, `network`, `rel`, 
-                       `blocked`, `readonly`, `pending` )
-                       VALUES ( %d, '%s', '%s', '%s', '%s', '%s', '%s', %d, 0, 1, 1 ) ",
+                       `blocked`, `readonly`, `pending`, `writable` )
+                       VALUES ( %d, '%s', '%s', '%s', '%s', '%s', '%s', %d, 0, 1, 1, 1 ) ",
                        intval($importer['uid']),
                        dbesc(datetime_convert()),
                        dbesc($url),
@@ -1303,7 +1415,9 @@ function new_follower($importer,$contact,$datarray,$item) {
                                $res = mail($r[0]['email'], 
                                        t("You have a new follower at ") . $a->config['sitename'],
                                        $email,
-                                       'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] );
+                                       'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
+                                       . 'Content-type: text/plain; charset=UTF-8' . "\n"
+                                       . 'Content-transfer-encoding: 8bit' );
                        
                        }
                }
@@ -1405,7 +1519,7 @@ function atom_entry($item,$type,$author,$owner,$comment = false) {
        $o .= '<updated>' . xmlify(datetime_convert('UTC','UTC',$item['edited'] . '+00:00',ATOM_TIME)) . '</updated>' . "\r\n";
        $o .= '<dfrn:env>' . base64url_encode($item['body'], true) . '</dfrn:env>' . "\r\n";
        $o .= '<content type="' . $type . '" >' . xmlify(($type === 'html') ? bbcode($item['body']) : $item['body']) . '</content>' . "\r\n";
-       $o .= '<link rel="alternate" href="' . xmlify($a->get_baseurl() . '/display/' . $owner['nickname'] . '/' . $item['id']) . '" />' . "\r\n";
+       $o .= '<link rel="alternate" type="text/html" href="' . xmlify($a->get_baseurl() . '/display/' . $owner['nickname'] . '/' . $item['id']) . '" />' . "\r\n";
        if($comment)
                $o .= '<dfrn:comment-allow>' . intval($item['last-child']) . '</dfrn:comment-allow>' . "\r\n";
 
@@ -1429,6 +1543,15 @@ function atom_entry($item,$type,$author,$owner,$comment = false) {
        if(strlen($actarg))
                $o .= $actarg;
 
+       $tags = item_getfeedtags($item);
+       if(count($tags)) {
+               foreach($tags as $t) {
+                       $o .= '<category scheme="X-DFRN:' . xmlify($t[0]) . ':' . xmlify($t[1]) . '" term="' . xmlify($t[2]) . '" />' . "\r\n";
+               }
+       }
+
+       $o .= item_getfeedattach($item);
+
        $mentioned = get_mentions($item);
        if($mentioned)
                $o .= $mentioned;
@@ -1439,4 +1562,93 @@ function atom_entry($item,$type,$author,$owner,$comment = false) {
        
        return $o;
 }
+
+function item_getfeedtags($item) {
+       $ret = array();
+       $matches = false;
+       $cnt = preg_match_all('|\#\[url\=(.+?)\](.+?)\[\/url\]|',$item['tag'],$matches);
+       if($cnt) {
+               for($x = 0; $x < count($matches); $x ++) {
+                       if($matches[1][$x])
+                               $ret[] = array('#',$matches[1][$x], $matches[2][$x]);
+               }
+       }
+       $matches = false; 
+       $cnt = preg_match_all('|\@\[url\=(.+?)\](.+?)\[\/url\]|',$item['tag'],$matches);
+       if($cnt) {
+               for($x = 0; $x < count($matches); $x ++) {
+                       if($matches[1][$x])
+                               $ret[] = array('#',$matches[1][$x], $matches[2][$x]);
+               }
+       } 
+       return $ret;
+}
+
+function item_getfeedattach($item) {
+       $ret = '';
+       $arr = explode(',',$item['attach']);
+       if(count($arr)) {
+               foreach($arr as $r) {
+                       $matches = false;
+                       $cnt = preg_match('|\[attach\]href=\"(.+?)\" size=\"(.+?)\" type=\"(.+?)\" title=\"(.+?)\"\[\/attach\]|',$r,$matches);
+                       if($cnt) {
+                               $ret .= '<link rel="enclosure" href="' . xmlify($matches[1]) . '" type="' . xmlify($matches[3]) . '" ';
+                               if(intval($matches[2]))
+                                       $ret .= 'size="' . intval($matches[2]) . '" ';
+                               if($matches[4] !== ' ')
+                                       $ret .= 'title="' . xmlify(trim($matches[4])) . '" ';
+                               $ret .= ' />' . "\r\n";
+                       }
+               }
+       }
+       return $ret;
+}
+
+
        
+function item_expire($uid,$days) {
+
+       if((! $uid) || (! $days))
+               return;
+
+       $r = q("SELECT * FROM `item` 
+               WHERE `uid` = %d 
+               AND `created` < UTC_TIMESTAMP() - INTERVAL %d DAY 
+               AND `id` = `parent` 
+               AND `deleted` = 0",
+               intval($uid),
+               intval($days)
+       );
+
+       if(! count($r))
+               return;
+       logger('expire: # items=' . count($r) );
+
+       foreach($r as $item) {
+
+               // Only expire posts, not photos and photo comments
+
+               if(strlen($item['resource-id']))
+                       continue;
+
+               $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s' WHERE `id` = %d LIMIT 1",
+                       dbesc(datetime_convert()),
+                       dbesc(datetime_convert()),
+                       intval($item['id'])
+               );
+
+               // kill the kids
+
+               $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ",
+                       dbesc(datetime_convert()),
+                       dbesc(datetime_convert()),
+                       dbesc($item['parent-uri']),
+                       intval($item['uid'])
+               );
+
+       }
+
+       proc_run('php',"include/notifier.php","expire","$uid");
+
+}
\ No newline at end of file