<?php require_once('bbcode.php'); require_once('oembed.php'); require_once('include/salmon.php'); function get_feed_for(&$a, $dfrn_id, $owner_nick, $last_update, $direction = 0) { // default permissions - anonymous user if(! strlen($owner_nick)) killme(); $sql_extra = " AND `allow_cid` = '' AND `allow_gid` = '' AND `deny_cid` = '' AND `deny_gid` = '' "; $r = q("SELECT `contact`.*, `user`.`uid` AS `user_uid`, `user`.`nickname`, `user`.`timezone` FROM `contact` LEFT JOIN `user` ON `user`.`uid` = `contact`.`uid` WHERE `contact`.`self` = 1 AND `user`.`nickname` = '%s' LIMIT 1", dbesc($owner_nick) ); if(! count($r)) killme(); $owner = $r[0]; $owner_id = $owner['user_uid']; $owner_nick = $owner['nickname']; $birthday = feed_birthday($owner_id,$owner['timezone']); if(strlen($dfrn_id)) { $sql_extra = ''; switch($direction) { case (-1): $sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($dfrn_id)); $my_id = $dfrn_id; break; case 0: $sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id)); $my_id = '1:' . $dfrn_id; break; case 1: $sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id)); $my_id = '0:' . $dfrn_id; break; default: return false; break; // NOTREACHED } $r = q("SELECT * FROM `contact` WHERE `blocked` = 0 AND `pending` = 0 AND `contact`.`uid` = %d $sql_extra LIMIT 1", intval($owner_id) ); if(! count($r)) killme(); $contact = $r[0]; $groups = init_groups_visitor($contact['id']); if(count($groups)) { for($x = 0; $x < count($groups); $x ++) $groups[$x] = '<' . intval($groups[$x]) . '>' ; $gs = implode('|', $groups); } else $gs = '<<>>' ; // Impossible to match $sql_extra = sprintf(" AND ( `allow_cid` = '' OR `allow_cid` REGEXP '<%d>' ) AND ( `deny_cid` = '' OR NOT `deny_cid` REGEXP '<%d>' ) AND ( `allow_gid` = '' OR `allow_gid` REGEXP '%s' ) AND ( `deny_gid` = '' OR NOT `deny_gid` REGEXP '%s') ", intval($contact['id']), intval($contact['id']), dbesc($gs), dbesc($gs) ); } if($dfrn_id === '' || $dfrn_id === '*') $sort = 'DESC'; else $sort = 'ASC'; if(! strlen($last_update)) $last_update = 'now -30 days'; $check_date = datetime_convert('UTC','UTC',$last_update,'Y-m-d H:i:s'); $r = q("SELECT `item`.*, `item`.`id` AS `item_id`, `contact`.`name`, `contact`.`photo`, `contact`.`url`, `contact`.`name-date`, `contact`.`uri-date`, `contact`.`avatar-date`, `contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`, `contact`.`id` AS `contact-id`, `contact`.`uid` AS `contact-uid` FROM `item` LEFT JOIN `contact` ON `contact`.`id` = `item`.`contact-id` WHERE `item`.`uid` = %d AND `item`.`visible` = 1 AND `item`.`parent` != 0 AND `item`.`wall` = 1 AND `contact`.`blocked` = 0 AND `contact`.`pending` = 0 AND ( `item`.`edited` > '%s' OR `item`.`changed` > '%s' ) $sql_extra ORDER BY `parent` %s, `created` ASC LIMIT 0, 300", intval($owner_id), dbesc($check_date), dbesc($check_date), dbesc($sort) ); // Will check further below if this actually returned results. // We will provide an empty feed if that is the case. $items = $r; $feed_template = get_markup_template('atom_feed.tpl'); $atom = ''; $hubxml = feed_hublinks(); $salmon = feed_salmonlinks($owner_nick); $atom .= replace_macros($feed_template, array( '$version' => xmlify(FRIENDIKA_VERSION), '$feed_id' => xmlify($a->get_baseurl() . '/profile/' . $owner_nick), '$feed_title' => xmlify($owner['name']), '$feed_updated' => xmlify(datetime_convert('UTC', 'UTC', 'now' , ATOM_TIME)) , '$hub' => $hubxml, '$salmon' => $salmon, '$name' => xmlify($owner['name']), '$profile_page' => xmlify($owner['url']), '$photo' => xmlify($owner['photo']), '$thumb' => xmlify($owner['thumb']), '$picdate' => xmlify(datetime_convert('UTC','UTC',$owner['avatar-date'] . '+00:00' , ATOM_TIME)) , '$uridate' => xmlify(datetime_convert('UTC','UTC',$owner['uri-date'] . '+00:00' , ATOM_TIME)) , '$namdate' => xmlify(datetime_convert('UTC','UTC',$owner['name-date'] . '+00:00' , ATOM_TIME)) , '$birthday' => ((strlen($birthday)) ? '<dfrn:birthday>' . xmlify($birthday) . '</dfrn:birthday>' : '') )); call_hooks('atom_feed', $atom); if(! count($items)) { call_hooks('atom_feed_end', $atom); $atom .= '</feed>' . "\r\n"; return $atom; } foreach($items as $item) { // public feeds get html, our own nodes use bbcode if($dfrn_id === '') { $type = 'html'; } else { $type = 'text'; } $atom .= atom_entry($item,$type,null,$owner,true); } call_hooks('atom_feed_end', $atom); $atom .= '</feed>' . "\r\n"; return $atom; } function construct_verb($item) { if($item['verb']) return $item['verb']; return ACTIVITY_POST; } function construct_activity_object($item) { if($item['object']) { $o = '<as:object>' . "\r\n"; $r = parse_xml_string($item['object'],false); if(! $r) return ''; if($r->type) $o .= '<as:object-type>' . xmlify($r->type) . '</as:object-type>' . "\r\n"; if($r->id) $o .= '<id>' . xmlify($r->id) . '</id>' . "\r\n"; if($r->title) $o .= '<title>' . xmlify($r->title) . '</title>' . "\r\n"; if($r->link) { if(substr($r->link,0,1) === '<') { // patch up some facebook "like" activity objects that got stored incorrectly // for a couple of months prior to 9-Jun-2011 and generated bad XML. // we can probably remove this hack here and in the following function in a few months time. if(strstr($r->link,'&') && (! strstr($r->link,'&'))) $r->link = str_replace('&','&', $r->link); $r->link = preg_replace('/\<link(.*?)\"\>/','<link$1"/>',$r->link); $o .= $r->link; } else $o .= '<link rel="alternate" type="text/html" href="' . xmlify($r->link) . '" />' . "\r\n"; } if($r->content) $o .= '<content type="html" >' . xmlify(bbcode($r->content)) . '</content>' . "\r\n"; $o .= '</as:object>' . "\r\n"; return $o; } return ''; } function construct_activity_target($item) { if($item['target']) { $o = '<as:target>' . "\r\n"; $r = parse_xml_string($item['target'],false); if(! $r) return ''; if($r->type) $o .= '<as:object-type>' . xmlify($r->type) . '</as:object-type>' . "\r\n"; if($r->id) $o .= '<id>' . xmlify($r->id) . '</id>' . "\r\n"; if($r->title) $o .= '<title>' . xmlify($r->title) . '</title>' . "\r\n"; if($r->link) { if(substr($r->link,0,1) === '<') { if(strstr($r->link,'&') && (! strstr($r->link,'&'))) $r->link = str_replace('&','&', $r->link); $r->link = preg_replace('/\<link(.*?)\"\>/','<link$1"/>',$r->link); $o .= $r->link; } else $o .= '<link rel="alternate" type="text/html" href="' . xmlify($r->link) . '" />' . "\r\n"; } if($r->content) $o .= '<content type="html" >' . xmlify(bbcode($r->content)) . '</content>' . "\r\n"; $o .= '</as:target>' . "\r\n"; return $o; } return ''; } function get_atom_elements($feed,$item) { require_once('library/HTMLPurifier.auto.php'); require_once('include/html2bbcode.php'); $best_photo = array(); $res = array(); $author = $item->get_author(); if($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 $rawauthor = $item->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10,'author'); if($rawauthor && $rawauthor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link']) { $base = $rawauthor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link']; foreach($base as $link) { if(! $res['author-avatar']) { if($link['attribs']['']['rel'] === 'photo' || $link['attribs']['']['rel'] === 'avatar') $res['author-avatar'] = unxmlify($link['attribs']['']['href']); } } } $rawactor = $item->get_item_tags(NAMESPACE_ACTIVITY, 'actor'); if($rawactor && activity_match($rawactor[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data'],ACTIVITY_OBJ_PERSON)) { $base = $rawactor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link']; if($base && count($base)) { foreach($base as $link) { if($link['attribs']['']['rel'] === 'alternate' && (! $res['author-link'])) $res['author-link'] = unxmlify($link['attribs']['']['href']); if(! $res['author-avatar']) { if($link['attribs']['']['rel'] === 'avatar' || $link['attribs']['']['rel'] === 'photo') $res['author-avatar'] = unxmlify($link['attribs']['']['href']); } } } } // No photo/profile-link on the item - look at the feed level if((! (x($res,'author-link'))) || (! (x($res,'author-avatar')))) { $rawauthor = $feed->get_feed_tags(SIMPLEPIE_NAMESPACE_ATOM_10,'author'); if($rawauthor && $rawauthor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link']) { $base = $rawauthor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link']; foreach($base as $link) { if($link['attribs']['']['rel'] === 'alternate' && (! $res['author-link'])) $res['author-link'] = unxmlify($link['attribs']['']['href']); if(! $res['author-avatar']) { if($link['attribs']['']['rel'] === 'photo' || $link['attribs']['']['rel'] === 'avatar') $res['author-avatar'] = unxmlify($link['attribs']['']['href']); } } } $rawactor = $feed->get_feed_tags(NAMESPACE_ACTIVITY, 'subject'); if($rawactor && activity_match($rawactor[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data'],ACTIVITY_OBJ_PERSON)) { $base = $rawactor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link']; if($base && count($base)) { foreach($base as $link) { if($link['attribs']['']['rel'] === 'alternate' && (! $res['author-link'])) $res['author-link'] = unxmlify($link['attribs']['']['href']); if(! (x($res,'author-avatar'))) { if($link['attribs']['']['rel'] === 'avatar' || $link['attribs']['']['rel'] === 'photo') $res['author-avatar'] = unxmlify($link['attribs']['']['href']); } } } } } $apps = $item->get_item_tags(NAMESPACE_STATUSNET,'notice_info'); if($apps && $apps[0]['attribs']['']['source']) { $res['app'] = strip_tags(unxmlify($apps[0]['attribs']['']['source'])); if($res['app'] === 'web') $res['app'] = 'OStatus'; } /** * If there's a copy of the body content which is guaranteed to have survived mangling in transit, use it. */ $have_real_body = false; $rawenv = $item->get_item_tags(NAMESPACE_DFRN, 'env'); if($rawenv) { $have_real_body = true; $res['body'] = $rawenv[0]['data']; $res['body'] = str_replace(array(' ',"\t","\r","\n"), array('','','',''),$res['body']); // make sure nobody is trying to sneak some html tags by us $res['body'] = notags(base64url_decode($res['body'])); } $maxlen = get_max_import_size(); if($maxlen && (strlen($res['body']) > $maxlen)) $res['body'] = substr($res['body'],0, $maxlen); // It isn't certain at this point whether our content is plaintext or html and we'd be foolish to trust // the content type. Our own network only emits text normally, though it might have been converted to // html if we used a pubsubhubbub transport. But if we see even one html tag in our text, we will // have to assume it is all html and needs to be purified. // It doesn't matter all that much security wise - because before this content is used anywhere, we are // going to escape any tags we find regardless, but this lets us import a limited subset of html from // the wild, by sanitising it and converting supported tags to bbcode before we rip out any remaining // html. if((strpos($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'] = preg_replace('#<iframe[^>].+?' . 'http://www.youtube.com/embed/([A-Za-z0-9\-_=]+).+?</iframe>#s', '[youtube]$1[/youtube]', $res['body']); $res['body'] = oembed_html2bbcode($res['body']); $config = HTMLPurifier_Config::createDefault(); $config->set('Cache.DefinitionImpl', null); // we shouldn't need a whitelist, because the bbcode converter // will strip out any unsupported tags. // $config->set('HTML.Allowed', 'p,b,a[href],i'); $purifier = new HTMLPurifier($config); $res['body'] = $purifier->purify($res['body']); $res['body'] = html2bbcode($res['body']); } $allow = $item->get_item_tags(NAMESPACE_DFRN,'comment-allow'); if($allow && $allow[0]['data'] == 1) $res['last-child'] = 1; else $res['last-child'] = 0; $private = $item->get_item_tags(NAMESPACE_DFRN,'private'); if($private && $private[0]['data'] == 1) $res['private'] = 1; else $res['private'] = 0; $extid = $item->get_item_tags(NAMESPACE_DFRN,'extid'); if($extid && $extid[0]['data']) $res['extid'] = $extid[0]['data']; $rawlocation = $item->get_item_tags(NAMESPACE_DFRN, 'location'); if($rawlocation) $res['location'] = unxmlify($rawlocation[0]['data']); $rawcreated = $item->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10,'published'); if($rawcreated) $res['created'] = unxmlify($rawcreated[0]['data']); $rawedited = $item->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10,'updated'); if($rawedited) $res['edited'] = unxmlify($rawedited[0]['data']); if((x($res,'edited')) && (! (x($res,'created')))) $res['created'] = $res['edited']; if(! $res['created']) $res['created'] = $item->get_date('c'); if(! $res['edited']) $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']); elseif($rawowner[0]['child'][NAMESPACE_DFRN]['name'][0]['data']) $res['owner-name'] = unxmlify($rawowner[0]['child'][NAMESPACE_DFRN]['name'][0]['data']); if($rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']) $res['owner-link'] = unxmlify($rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']); elseif($rawowner[0]['child'][NAMESPACE_DFRN]['uri'][0]['data']) $res['owner-link'] = unxmlify($rawowner[0]['child'][NAMESPACE_DFRN]['uri'][0]['data']); if($rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link']) { $base = $rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link']; foreach($base as $link) { if(! $res['owner-avatar']) { if($link['attribs']['']['rel'] === 'photo' || $link['attribs']['']['rel'] === 'avatar') $res['owner-avatar'] = unxmlify($link['attribs']['']['href']); } } } $rawgeo = $item->get_item_tags(NAMESPACE_GEORSS,'point'); if($rawgeo) $res['coord'] = unxmlify($rawgeo[0]['data']); $rawverb = $item->get_item_tags(NAMESPACE_ACTIVITY, 'verb'); // select between supported verbs if($rawverb) { $res['verb'] = unxmlify($rawverb[0]['data']); } // translate OStatus unfollow to activity streams if it happened to get selected 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 . '" length="' . $len . '" type="' . $type . '" title="' . $title . '"[/attach]'; } $res['attach'] = implode(',', $att_arr); } $rawobj = $item->get_item_tags(NAMESPACE_ACTIVITY, 'object'); if($rawobj) { $res['object'] = '<object>' . "\n"; if($rawobj[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data']) { $res['object-type'] = $rawobj[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data']; $res['object'] .= '<type>' . $rawobj[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data'] . '</type>' . "\n"; } if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['id'][0]['data']) $res['object'] .= '<id>' . $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['id'][0]['data'] . '</id>' . "\n"; if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link']) $res['object'] .= '<link>' . encode_rel_links($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link']) . '</link>' . "\n"; if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['title'][0]['data']) $res['object'] .= '<title>' . $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['title'][0]['data'] . '</title>' . "\n"; if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['content'][0]['data']) { $body = $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['content'][0]['data']; if(! $body) $body = $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['summary'][0]['data']; // preserve a copy of the original body content in case we later need to parse out any microformat information, e.g. events $res['object'] .= '<orig>' . xmlify($body) . '</orig>' . "\n"; if((strpos($body,'<') !== false) || (strpos($body,'>') !== false)) { $body = preg_replace('#<object[^>]+>.+?' . 'http://www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+).+?</object>#s', '[youtube]$1[/youtube]', $body); $res['body'] = preg_replace('#<iframe[^>].+?' . 'http://www.youtube.com/embed/([A-Za-z0-9\-_=]+).+?</iframe>#s', '[youtube]$1[/youtube]', $res['body']); $config = HTMLPurifier_Config::createDefault(); $config->set('Cache.DefinitionImpl', null); $purifier = new HTMLPurifier($config); $body = $purifier->purify($body); $body = html2bbcode($body); } $res['object'] .= '<content>' . $body . '</content>' . "\n"; } $res['object'] .= '</object>' . "\n"; } $rawobj = $item->get_item_tags(NAMESPACE_ACTIVITY, 'target'); if($rawobj) { $res['target'] = '<target>' . "\n"; if($rawobj[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data']) { $res['target'] .= '<type>' . $rawobj[0]['child'][NAMESPACE_ACTIVITY]['object-type'][0]['data'] . '</type>' . "\n"; } if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['id'][0]['data']) $res['target'] .= '<id>' . $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['id'][0]['data'] . '</id>' . "\n"; if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link']) $res['target'] .= '<link>' . encode_rel_links($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link']) . '</link>' . "\n"; if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['title'][0]['data']) $res['target'] .= '<title>' . $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['title'][0]['data'] . '</title>' . "\n"; if($rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['content'][0]['data']) { $body = $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['content'][0]['data']; if(! $body) $body = $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['summary'][0]['data']; // preserve a copy of the original body content in case we later need to parse out any microformat information, e.g. events $res['object'] .= '<orig>' . xmlify($body) . '</orig>' . "\n"; if((strpos($body,'<') !== false) || (strpos($body,'>') !== false)) { $body = preg_replace('#<object[^>]+>.+?' . 'http://www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+).+?</object>#s', '[youtube]$1[/youtube]', $body); $res['body'] = preg_replace('#<iframe[^>].+?' . 'http://www.youtube.com/embed/([A-Za-z0-9\-_=]+).+?</iframe>#s', '[youtube]$1[/youtube]', $res['body']); $config = HTMLPurifier_Config::createDefault(); $config->set('Cache.DefinitionImpl', null); $purifier = new HTMLPurifier($config); $body = $purifier->purify($body); $body = html2bbcode($body); } $res['target'] .= '<content>' . $body . '</content>' . "\n"; } $res['target'] .= '</target>' . "\n"; } $arr = array('feed' => $feed, 'item' => $item, 'result' => $res); call_hooks('parse_atom', $arr); return $res; } function encode_rel_links($links) { $o = ''; if(! ((is_array($links)) && (count($links)))) return $o; foreach($links as $link) { $o .= '<link '; if($link['attribs']['']['rel']) $o .= 'rel="' . $link['attribs']['']['rel'] . '" '; if($link['attribs']['']['type']) $o .= 'type="' . $link['attribs']['']['type'] . '" '; if($link['attribs']['']['href']) $o .= 'href="' . $link['attribs']['']['href'] . '" '; if( (x($link['attribs'],NAMESPACE_MEDIA)) && $link['attribs'][NAMESPACE_MEDIA]['width']) $o .= 'media:width="' . $link['attribs'][NAMESPACE_MEDIA]['width'] . '" '; if( (x($link['attribs'],NAMESPACE_MEDIA)) && $link['attribs'][NAMESPACE_MEDIA]['height']) $o .= 'media:height="' . $link['attribs'][NAMESPACE_MEDIA]['height'] . '" '; $o .= ' />' . "\n" ; } return xmlify($o); } function item_store($arr,$force_parent = false) { if($arr['gravity']) $arr['gravity'] = intval($arr['gravity']); elseif($arr['parent-uri'] == $arr['uri']) $arr['gravity'] = 0; elseif(activity_match($arr['verb'],ACTIVITY_POST)) $arr['gravity'] = 6; else $arr['gravity'] = 6; // extensible catchall if(! x($arr,'type')) $arr['type'] = 'remote'; // Shouldn't happen but we want to make absolutely sure it doesn't leak from a plugin. if((strpos($arr['body'],'<') !== false) || (strpos($arr['body'],'>') !== false)) $arr['body'] = strip_tags($arr['body']); $arr['wall'] = ((x($arr,'wall')) ? intval($arr['wall']) : 0); $arr['uri'] = ((x($arr,'uri')) ? notags(trim($arr['uri'])) : random_string()); $arr['extid'] = ((x($arr,'extid')) ? notags(trim($arr['extid'])) : ''); $arr['author-name'] = ((x($arr,'author-name')) ? notags(trim($arr['author-name'])) : ''); $arr['author-link'] = ((x($arr,'author-link')) ? notags(trim($arr['author-link'])) : ''); $arr['author-avatar'] = ((x($arr,'author-avatar')) ? notags(trim($arr['author-avatar'])) : ''); $arr['owner-name'] = ((x($arr,'owner-name')) ? notags(trim($arr['owner-name'])) : ''); $arr['owner-link'] = ((x($arr,'owner-link')) ? notags(trim($arr['owner-link'])) : ''); $arr['owner-avatar'] = ((x($arr,'owner-avatar')) ? notags(trim($arr['owner-avatar'])) : ''); $arr['created'] = ((x($arr,'created') !== false) ? datetime_convert('UTC','UTC',$arr['created']) : datetime_convert()); $arr['edited'] = ((x($arr,'edited') !== false) ? datetime_convert('UTC','UTC',$arr['edited']) : datetime_convert()); $arr['received'] = datetime_convert(); $arr['changed'] = datetime_convert(); $arr['title'] = ((x($arr,'title')) ? notags(trim($arr['title'])) : ''); $arr['location'] = ((x($arr,'location')) ? notags(trim($arr['location'])) : ''); $arr['coord'] = ((x($arr,'coord')) ? notags(trim($arr['coord'])) : ''); $arr['last-child'] = ((x($arr,'last-child')) ? intval($arr['last-child']) : 0 ); $arr['visible'] = ((x($arr,'visible') !== false) ? intval($arr['visible']) : 1 ); $arr['deleted'] = 0; $arr['parent-uri'] = ((x($arr,'parent-uri')) ? notags(trim($arr['parent-uri'])) : ''); $arr['verb'] = ((x($arr,'verb')) ? notags(trim($arr['verb'])) : ''); $arr['object-type'] = ((x($arr,'object-type')) ? notags(trim($arr['object-type'])) : ''); $arr['object'] = ((x($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'])) : ''); $arr['app'] = ((x($arr,'app')) ? notags(trim($arr['app'])) : ''); if($arr['parent-uri'] === $arr['uri']) { $parent_id = 0; $allow_cid = $arr['allow_cid']; $allow_gid = $arr['allow_gid']; $deny_cid = $arr['deny_cid']; $deny_gid = $arr['deny_gid']; } 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']), intval($arr['uid']) ); if(count($r)) { // is the new message multi-level threaded? // even though we don't support it now, preserve the info // and re-attach to the conversation parent. if($r[0]['uri'] != $r[0]['parent-uri']) { $arr['thr-parent'] = $arr['parent-uri']; $arr['parent-uri'] = $r[0]['parent-uri']; $z = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `parent-uri` = '%s' AND `uid` = %d LIMIT 1", dbesc($r[0]['parent-uri']), dbesc($r[0]['parent-uri']), intval($arr['uid']) ); if($z && count($z)) $r = $z; } $parent_id = $r[0]['id']; $parent_deleted = $r[0]['deleted']; $allow_cid = $r[0]['allow_cid']; $allow_gid = $r[0]['allow_gid']; $deny_cid = $r[0]['deny_cid']; $deny_gid = $r[0]['deny_gid']; $arr['wall'] = $r[0]['wall']; } else { // Allow one to see reply tweets from status.net even when // we don't have or can't see the original post. if($force_parent) { logger('item_store: $force_parent=true, reply converted to top-level post.'); $parent_id = 0; $arr['thr-parent'] = $arr['parent-uri']; $arr['parent-uri'] = $arr['uri']; $arr['gravity'] = 0; } else { logger('item_store: item parent was not found - ignoring item'); return 0; } } } $arr['guid'] = get_guid(); call_hooks('post_remote',$arr); dbesc_array($arr); logger('item_store: ' . print_r($arr,true), LOGGER_DATA); $r = dbq("INSERT INTO `item` (`" . implode("`, `", array_keys($arr)) . "`) VALUES ('" . implode("', '", array_values($arr)) . "')" ); // find the item we just created $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", $arr['uri'], // already dbesc'd intval($arr['uid']) ); if(! count($r)) { // This is not good, but perhaps we encountered a rare race/cache condition, so back off and try again. sleep(3); $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", $arr['uri'], // already dbesc'd intval($arr['uid']) ); } if(count($r)) { $current_post = $r[0]['id']; logger('item_store: created item ' . $current_post); } else { logger('item_store: could not locate created item'); return 0; } if((! $parent_id) || ($arr['parent-uri'] === $arr['uri'])) $parent_id = $current_post; if(strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) $private = 1; else $private = $arr['private']; // Set parent id - and also make sure to inherit the parent's ACL's. $r = q("UPDATE `item` SET `parent` = %d, `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s', `private` = %d, `deleted` = %d WHERE `id` = %d LIMIT 1", intval($parent_id), dbesc($allow_cid), dbesc($allow_gid), dbesc($deny_cid), dbesc($deny_gid), intval($private), intval($parent_deleted), 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 $current_post; } function get_item_contact($item,$contacts) { if(! count($contacts) || (! is_array($item))) return false; foreach($contacts as $contact) { if($contact['id'] == $item['contact-id']) { return $contact; break; // NOTREACHED } } return false; } function dfrn_deliver($owner,$contact,$atom, $dissolve = false) { $a = get_app(); if((! strlen($contact['issued-id'])) && (! $contact['duplex']) && (! ($owner['page-flags'] == PAGE_COMMUNITY))) return 3; $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']); if($contact['duplex'] && $contact['dfrn-id']) $idtosend = '0:' . $orig_id; if($contact['duplex'] && $contact['issued-id']) $idtosend = '1:' . $orig_id; $rino = ((function_exists('mcrypt_encrypt')) ? 1 : 0); $rino_enable = get_config('system','rino_encrypt'); if(! $rino_enable) $rino = 0; $url = $contact['notify'] . '&dfrn_id=' . $idtosend . '&dfrn_version=' . DFRN_PROTOCOL_VERSION . (($rino) ? '&rino=1' : ''); logger('dfrn_deliver: ' . $url); $xml = fetch_url($url); $curl_stat = $a->get_curl_code(); if(! $curl_stat) return(-1); // timed out logger('dfrn_deliver: ' . $xml); if(! $xml) return 3; if(strpos($xml,'<?xml') === false) { logger('dfrn_deliver: no valid XML returned'); logger('dfrn_deliver: returned XML: ' . $xml, LOGGER_DATA); return 3; } $res = parse_xml_string($xml); if((intval($res->status) != 0) || (! strlen($res->challenge)) || (! strlen($res->dfrn_id))) return (($res->status) ? $res->status : 3); $postvars = array(); $sent_dfrn_id = hex2bin((string) $res->dfrn_id); $challenge = hex2bin((string) $res->challenge); $dfrn_version = (float) (($res->dfrn_version) ? $res->dfrn_version : 2.0); $rino_allowed = ((intval($res->rino) === 1) ? 1 : 0); $final_dfrn_id = ''; if(($contact['duplex'] && strlen($contact['pubkey'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) { openssl_public_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['pubkey']); openssl_public_decrypt($challenge,$postvars['challenge'],$contact['pubkey']); } else { openssl_private_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['prvkey']); openssl_private_decrypt($challenge,$postvars['challenge'],$contact['prvkey']); } $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.')); if(strpos($final_dfrn_id,':') == 1) $final_dfrn_id = substr($final_dfrn_id,2); if($final_dfrn_id != $orig_id) { logger('dfrn_deliver: wrong dfrn_id.'); // did not decode properly - cannot trust this site return 3; } $postvars['dfrn_id'] = $idtosend; $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION; if($dissolve) $postvars['dissolve'] = '1'; if((($contact['rel']) && ($contact['rel'] != CONTACT_IS_SHARING) && (! $contact['blocked'])) || ($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)) { $key = substr(random_string(),0,16); $data = bin2hex(aes_encrypt($postvars['data'],$key)); $postvars['data'] = $data; logger('rino: sent key = ' . $key); if($dfrn_version >= 2.1) { if(($contact['duplex'] && strlen($contact['pubkey'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) { openssl_public_encrypt($key,$postvars['key'],$contact['pubkey']); } else { openssl_private_encrypt($key,$postvars['key'],$contact['prvkey']); } } else { if(($contact['duplex'] && strlen($contact['prvkey'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) { openssl_private_encrypt($key,$postvars['key'],$contact['prvkey']); } else { openssl_public_encrypt($key,$postvars['key'],$contact['pubkey']); } } logger('md5 rawkey ' . md5($postvars['key'])); $postvars['key'] = bin2hex($postvars['key']); } logger('dfrn_deliver: ' . "SENDING: " . print_r($postvars,true), LOGGER_DATA); $xml = post_url($contact['notify'],$postvars); logger('dfrn_deliver: ' . "RECEIVED: " . $xml, LOGGER_DATA); $curl_stat = $a->get_curl_code(); 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; } $res = parse_xml_string($xml); return $res->status; } /** * * consume_feed - process atom feed and update anything/everything we might need to update * * $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 * from an external network and MAY create an appropriate contact record. Otherwise, we MUST * have a contact record. * $hub = should we find a hub declation in the feed, pass it back to our calling process, who might (or * might not) try and subscribe to it. * */ function consume_feed($xml,$importer,&$contact, &$hub, $datedir = 0, $secure_feed = false) { require_once('library/simplepie/simplepie.inc'); if(! strlen($xml)) { logger('consume_feed: empty input'); return; } $feed = new SimplePie(); $feed->set_raw_data($xml); if($datedir) $feed->enable_order_by_date(true); else $feed->enable_order_by_date(false); $feed->init(); if($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 $name_updated = ''; $new_name = ''; $photo_timestamp = ''; $photo_url = ''; $birthday = ''; $hubs = $feed->get_links('hub'); if(count($hubs)) $hub = implode(',', $hubs); $rawtags = $feed->get_feed_tags( SIMPLEPIE_NAMESPACE_ATOM_10, 'author'); if($rawtags) { $elems = $rawtags[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]; if($elems['name'][0]['attribs'][NAMESPACE_DFRN]['updated']) { $name_updated = $elems['name'][0]['attribs'][NAMESPACE_DFRN]['updated']; $new_name = $elems['name'][0]['data']; } if((x($elems,'link')) && ($elems['link'][0]['attribs']['']['rel'] === 'photo') && ($elems['link'][0]['attribs'][NAMESPACE_DFRN]['updated'])) { $photo_timestamp = datetime_convert('UTC','UTC',$elems['link'][0]['attribs'][NAMESPACE_DFRN]['updated']); $photo_url = $elems['link'][0]['attribs']['']['href']; } if((x($rawtags[0]['child'], NAMESPACE_DFRN)) && (x($rawtags[0]['child'][NAMESPACE_DFRN],'birthday'))) { $birthday = datetime_convert('UTC','UTC', $rawtags[0]['child'][NAMESPACE_DFRN]['birthday'][0]['data']); } } if((is_array($contact)) && ($photo_timestamp) && (strlen($photo_url)) && ($photo_timestamp > $contact['avatar-date'])) { logger('consume_feed: Updating photo for ' . $contact['name']); require_once("Photo.php"); $photo_failure = false; $have_photo = false; $r = q("SELECT `resource-id` FROM `photo` WHERE `contact-id` = %d AND `uid` = %d LIMIT 1", intval($contact['id']), intval($contact['uid']) ); if(count($r)) { $resource_id = $r[0]['resource-id']; $have_photo = true; } else { $resource_id = photo_new_resource(); } $img_str = fetch_url($photo_url,true); $img = new Photo($img_str); if($img->is_valid()) { if($have_photo) { q("DELETE FROM `photo` WHERE `resource-id` = '%s' AND `contact-id` = %d AND `uid` = %d", dbesc($resource_id), intval($contact['id']), intval($contact['uid']) ); } $img->scaleImageSquare(175); $hash = $resource_id; $r = $img->store($contact['uid'], $contact['id'], $hash, basename($photo_url), 'Contact Photos', 4); $img->scaleImage(80); $r = $img->store($contact['uid'], $contact['id'], $hash, basename($photo_url), 'Contact Photos', 5); $img->scaleImage(48); $r = $img->store($contact['uid'], $contact['id'], $hash, basename($photo_url), 'Contact Photos', 6); $a = get_app(); q("UPDATE `contact` SET `avatar-date` = '%s', `photo` = '%s', `thumb` = '%s', `micro` = '%s' WHERE `uid` = %d AND `id` = %d LIMIT 1", dbesc(datetime_convert()), dbesc($a->get_baseurl() . '/photo/' . $hash . '-4.jpg'), dbesc($a->get_baseurl() . '/photo/' . $hash . '-5.jpg'), dbesc($a->get_baseurl() . '/photo/' . $hash . '-6.jpg'), intval($contact['uid']), intval($contact['id']) ); } } if((is_array($contact)) && ($name_updated) && (strlen($new_name)) && ($name_updated > $contact['name-date'])) { q("UPDATE `contact` SET `name` = '%s', `name-date` = '%s' WHERE `uid` = %d AND `id` = %d LIMIT 1", dbesc(notags(trim($new_name))), dbesc(datetime_convert()), intval($contact['uid']), intval($contact['id']) ); } if(strlen($birthday)) { if(substr($birthday,0,4) != $contact['bdyear']) { logger('consume_feed: updating birthday: ' . $birthday); /** * * Add new birthday event for this person * * $bdtext is just a readable placeholder in case the event is shared * with others. We will replace it during presentation to our $importer * to contain a sparkle link and perhaps a photo. * */ $bdtext = t('Birthday:') . ' [url=' . $contact['url'] . ']' . $contact['name'] . '[/url]' ; $r = q("INSERT INTO `event` (`uid`,`cid`,`created`,`edited`,`start`,`finish`,`desc`,`type`) VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s' ) ", intval($contact['uid']), intval($contact['id']), dbesc(datetime_convert()), dbesc(datetime_convert()), dbesc(datetime_convert('UTC','UTC', $birthday)), dbesc(datetime_convert('UTC','UTC', $birthday . ' + 1 day ')), dbesc($bdtext), dbesc('birthday') ); // update bdyear q("UPDATE `contact` SET `bdyear` = '%s' WHERE `uid` = %d AND `id` = %d LIMIT 1", dbesc(substr($birthday,0,4)), intval($contact['uid']), intval($contact['id']) ); // This function is called twice without reloading the contact // Make sure we only create one event. This is why &$contact // is a reference var in this function $contact['bdyear'] = substr($birthday,0,4); } } // 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) { $deleted = false; if(isset($dentry['attribs']['']['ref'])) { $uri = $dentry['attribs']['']['ref']; $deleted = true; if(isset($dentry['attribs']['']['when'])) { $when = $dentry['attribs']['']['when']; $when = datetime_convert('UTC','UTC', $when, 'Y-m-d H:i:s'); } else $when = datetime_convert('UTC','UTC','now','Y-m-d H:i:s'); } if($deleted && is_array($contact)) { $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d AND `contact-id` = %d LIMIT 1", dbesc($uri), intval($importer['uid']), intval($contact['id']) ); 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']) { $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s', `body` = '', `title` = '' WHERE `parent-uri` = '%s' AND `uid` = %d", dbesc($when), dbesc(datetime_convert()), dbesc($item['uri']), intval($importer['uid']) ); } else { $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s', `body` = '', `title` = '' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", dbesc($when), dbesc(datetime_convert()), dbesc($uri), intval($importer['uid']) ); if($item['last-child']) { // ensure that last-child is set in case the comment that had it just got wiped. q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ", dbesc(datetime_convert()), dbesc($item['parent-uri']), intval($item['uid']) ); // who is the last child now? $r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `uid` = %d ORDER BY `created` DESC LIMIT 1", dbesc($item['parent-uri']), intval($importer['uid']) ); if(count($r)) { q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d LIMIT 1", intval($r[0]['id']) ); } } } } } } } // Now process the feed if($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(); $rawthread = $item->get_item_tags( NAMESPACE_THREAD,'in-reply-to'); if(isset($rawthread[0]['attribs']['']['ref'])) { $is_reply = true; $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(); $datarray = get_atom_elements($feed,$item); if(! x($datarray,'author-name')) $datarray['author-name'] = $contact['name']; if(! x($datarray,'author-link')) $datarray['author-link'] = $contact['url']; if(! x($datarray,'author-avatar')) $datarray['author-avatar'] = $contact['thumb']; $r = q("SELECT `uid`, `last-child`, `edited`, `body` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", dbesc($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'])) { $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d", dbesc(datetime_convert()), dbesc($parent_uri), intval($importer['uid']) ); $r = q("UPDATE `item` SET `last-child` = %d , `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", intval($allow[0]['data']), dbesc(datetime_convert()), dbesc($item_id), intval($importer['uid']) ); } continue; } $force_parent = false; if($contact['network'] === 'stat') { $force_parent = true; if(strlen($datarray['title'])) unset($datarray['title']); $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d", dbesc(datetime_convert()), dbesc($parent_uri), intval($importer['uid']) ); $datarray['last-child'] = 1; } if(($contact['network'] === 'feed') || (! strlen($contact['notify']))) { // one way feed - no remote comment ability $datarray['last-child'] = 0; } $datarray['parent-uri'] = $parent_uri; $datarray['uid'] = $importer['uid']; $datarray['contact-id'] = $contact['id']; if((activity_match($datarray['verb'],ACTIVITY_LIKE)) || (activity_match($datarray['verb'],ACTIVITY_DISLIKE))) { $datarray['type'] = 'activity'; $datarray['gravity'] = GRAVITY_LIKE; } $r = item_store($datarray,$force_parent); continue; } else { // Head post of a conversation. Have we seen it? If not, import it. $item_id = $item->get_id(); $datarray = get_atom_elements($feed,$item); if(is_array($contact)) { if(! x($datarray,'author-name')) $datarray['author-name'] = $contact['name']; if(! x($datarray,'author-link')) $datarray['author-link'] = $contact['url']; if(! x($datarray,'author-avatar')) $datarray['author-avatar'] = $contact['thumb']; } if((x($datarray,'object-type')) && ($datarray['object-type'] === ACTIVITY_OBJ_EVENT)) { $ev = bbtoevent($datarray['body']); if(x($ev,'desc') && x($ev,'start')) { $ev['uid'] = $importer['uid']; $ev['uri'] = $item_id; $ev['edited'] = $datarray['edited']; $ev['private'] = $datarray['private']; if(is_array($contact)) $ev['cid'] = $contact['id']; $r = q("SELECT * FROM `event` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", dbesc($item_id), intval($importer['uid']) ); if(count($r)) $ev['id'] = $r[0]['id']; $xyz = event_store($ev); continue; } } $r = q("SELECT `uid`, `last-child`, `edited`, `body` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", dbesc($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']) { $r = q("UPDATE `item` SET `last-child` = %d , `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", intval($allow[0]['data']), dbesc(datetime_convert()), dbesc($item_id), intval($importer['uid']) ); } continue; } if(activity_match($datarray['verb'],ACTIVITY_FOLLOW)) { logger('consume-feed: New follower'); new_follower($importer,$contact,$datarray,$item); return; } if(activity_match($datarray['verb'],ACTIVITY_UNFOLLOW)) { lose_follower($importer,$contact,$datarray,$item); return; } if(! is_array($contact)) return; if($contact['network'] === 'stat' || stristr($permalink,'twitter.com')) { if(strlen($datarray['title'])) unset($datarray['title']); $datarray['last-child'] = 1; } if(($contact['network'] === 'feed') || (! strlen($contact['notify']))) { // one way feed - no remote comment ability $datarray['last-child'] = 0; } // This is my contact on another system, but it's really me. // Turn this into a wall post. if($contact['remote_self']) $datarray['wall'] = 1; $datarray['parent-uri'] = $item_id; $datarray['uid'] = $importer['uid']; $datarray['contact-id'] = $contact['id']; $r = item_store($datarray); continue; } } } } function new_follower($importer,$contact,$datarray,$item) { $url = notags(trim($datarray['author-link'])); $name = notags(trim($datarray['author-name'])); $photo = notags(trim($datarray['author-avatar'])); $rawtag = $item->get_item_tags(NAMESPACE_ACTIVITY,'actor'); if($rawtag && $rawtag[0]['child'][NAMESPACE_POCO]['preferredUsername'][0]['data']) $nick = $rawtag[0]['child'][NAMESPACE_POCO]['preferredUsername'][0]['data']; if(is_array($contact)) { if($contact['network'] == 'stat' && $contact['rel'] == CONTACT_IS_SHARING) { $r = q("UPDATE `contact` SET `rel` = %d WHERE `id` = %d AND `uid` = %d LIMIT 1", intval(CONTACT_IS_FRIEND), intval($contact['id']), intval($importer['uid']) ); } // send email notification to owner? } else { // create contact record $r = q("INSERT INTO `contact` ( `uid`, `created`, `url`, `name`, `nick`, `photo`, `network`, `rel`, `blocked`, `readonly`, `pending`, `writable` ) VALUES ( %d, '%s', '%s', '%s', '%s', '%s', '%s', %d, 0, 0, 1, 1 ) ", intval($importer['uid']), dbesc(datetime_convert()), dbesc($url), dbesc($name), dbesc($nick), dbesc($photo), dbesc('stat'), intval(CONTACT_IS_FOLLOWER) ); $r = q("SELECT `id` FROM `contact` WHERE `uid` = %d AND `url` = '%s' AND `pending` = 1 AND `rel` = %d LIMIT 1", intval($importer['uid']), dbesc($url), intval(CONTACT_IS_FOLLOWER) ); if(count($r)) $contact_record = $r[0]; // create notification $hash = random_string(); if(is_array($contact_record)) { $ret = q("INSERT INTO `intro` ( `uid`, `contact-id`, `blocked`, `knowyou`, `hash`, `datetime`) VALUES ( %d, %d, 0, 0, '%s', '%s' )", intval($importer['uid']), intval($contact_record['id']), dbesc($hash), dbesc(datetime_convert()) ); } $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1", intval($importer['uid']) ); $a = get_app(); if(count($r)) { if(($r[0]['notify-flags'] & NOTIFY_INTRO) && ($r[0]['page-flags'] == PAGE_NORMAL)) { $email_tpl = get_intltext_template('follow_notify_eml.tpl'); $email = replace_macros($email_tpl, array( '$requestor' => ((strlen($name)) ? $name : t('[Name Withheld]')), '$url' => $url, '$myname' => $r[0]['username'], '$siteurl' => $a->get_baseurl(), '$sitename' => $a->config['sitename'] )); $res = mail($r[0]['email'], t("You have a new follower at ") . $a->config['sitename'], $email, 'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n" . 'Content-type: text/plain; charset=UTF-8' . "\n" . 'Content-transfer-encoding: 8bit' ); } } } } function lose_follower($importer,$contact,$datarray,$item) { if(($contact['rel'] == CONTACT_IS_FRIEND) || ($contact['rel'] == CONTACT_IS_SHARING)) { q("UPDATE `contact` SET `rel` = %d WHERE `id` = %d LIMIT 1", intval(CONTACT_IS_SHARING), intval($contact['id']) ); } else { contact_remove($contact['id']); } } function subscribe_to_hub($url,$importer,$contact) { if(is_array($importer)) { $r = q("SELECT `nickname` FROM `user` WHERE `uid` = %d LIMIT 1", intval($importer['uid']) ); } if(! count($r)) return; $push_url = get_config('system','url') . '/pubsub/' . $r[0]['nickname'] . '/' . $contact['id']; // Use a single verify token, even if multiple hubs $verify_token = ((strlen($contact['hub-verify'])) ? $contact['hub-verify'] : random_string()); $params= 'hub.mode=subscribe&hub.callback=' . urlencode($push_url) . '&hub.topic=' . urlencode($contact['poll']) . '&hub.verify=async&hub.verify_token=' . $verify_token; logger('subscribe_to_hub: subscribing ' . $contact['name'] . ' to hub ' . $url . ' with verifier ' . $verify_token); if(! strlen($contact['hub-verify'])) { $r = q("UPDATE `contact` SET `hub-verify` = '%s' WHERE `id` = %d LIMIT 1", dbesc($verify_token), intval($contact['id']) ); } post_url($url,$params); return; } function atom_author($tag,$name,$uri,$h,$w,$photo) { $o = ''; if(! $tag) return $o; $name = xmlify($name); $uri = xmlify($uri); $h = intval($h); $w = intval($w); $photo = xmlify($photo); $o .= "<$tag>\r\n"; $o .= "<name>$name</name>\r\n"; $o .= "<uri>$uri</uri>\r\n"; $o .= '<link rel="photo" type="image/jpeg" media:width="' . $w . '" media:height="' . $h . '" href="' . $photo . '" />' . "\r\n"; $o .= '<link rel="avatar" type="image/jpeg" media:width="' . $w . '" media:height="' . $h . '" href="' . $photo . '" />' . "\r\n"; call_hooks('atom_author', $o); $o .= "</$tag>\r\n"; return $o; } function atom_entry($item,$type,$author,$owner,$comment = false) { $a = get_app(); if($item['deleted']) return '<at:deleted-entry ref="' . xmlify($item['uri']) . '" when="' . xmlify(datetime_convert('UTC','UTC',$item['edited'] . '+00:00',ATOM_TIME)) . '" />' . "\r\n"; if($item['allow_cid'] || $item['allow_gid'] || $item['deny_cid'] || $item['deny_gid']) $body = fix_private_photos($item['body'],$owner['uid']); else $body = $item['body']; $o = "\r\n\r\n<entry>\r\n"; if(is_array($author)) $o .= atom_author('author',$author['name'],$author['url'],80,80,$author['thumb']); else $o .= atom_author('author',(($item['author-name']) ? $item['author-name'] : $item['name']),(($item['author-link']) ? $item['author-link'] : $item['url']),80,80,(($item['author-avatar']) ? $item['author-avatar'] : $item['thumb'])); if(strlen($item['owner-name'])) $o .= atom_author('dfrn:owner',$item['owner-name'],$item['owner-link'],80,80,$item['owner-avatar']); if($item['parent'] != $item['id']) $o .= '<thr:in-reply-to ref="' . xmlify($item['parent-uri']) . '" type="text/html" href="' . xmlify($a->get_baseurl() . '/display/' . $owner['nickname'] . '/' . $item['id']) . '" />' . "\r\n"; $o .= '<id>' . xmlify($item['uri']) . '</id>' . "\r\n"; $o .= '<title>' . xmlify($item['title']) . '</title>' . "\r\n"; $o .= '<published>' . xmlify(datetime_convert('UTC','UTC',$item['created'] . '+00:00',ATOM_TIME)) . '</published>' . "\r\n"; $o .= '<updated>' . xmlify(datetime_convert('UTC','UTC',$item['edited'] . '+00:00',ATOM_TIME)) . '</updated>' . "\r\n"; $o .= '<dfrn:env>' . base64url_encode($body, true) . '</dfrn:env>' . "\r\n"; $o .= '<content type="' . $type . '" >' . xmlify(($type === 'html') ? bbcode($body) : $body) . '</content>' . "\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"; if($item['location']) { $o .= '<dfrn:location>' . xmlify($item['location']) . '</dfrn:location>' . "\r\n"; $o .= '<poco:address><poco:formatted>' . xmlify($item['location']) . '</poco:formatted></poco:address>' . "\r\n"; } if($item['coord']) $o .= '<georss:point>' . xmlify($item['coord']) . '</georss:point>' . "\r\n"; if(($item['private']) || strlen($item['allow_cid']) || strlen($item['allow_gid']) || strlen($item['deny_cid']) || strlen($item['deny_gid'])) $o .= '<dfrn:private>1</dfrn:private>' . "\r\n"; if($item['extid']) $o .= '<dfrn:extid>' . $item['extid'] . '</dfrn:extid>' . "\r\n"; if($item['app']) $o .= '<statusnet:notice_info local_id="' . $item['id'] . '" source="' . $item['app'] . '" ></statusnet:notice_info>'; $verb = construct_verb($item); $o .= '<as:verb>' . xmlify($verb) . '</as:verb>' . "\r\n"; $actobj = construct_activity_object($item); if(strlen($actobj)) $o .= $actobj; $actarg = construct_activity_target($item); 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; call_hooks('atom_entry', $o); $o .= '</entry>' . "\r\n"; return $o; } function fix_private_photos($s,$uid) { $a = get_app(); logger('fix_private_photos'); if(preg_match("/\[img\](.*?)\[\/img\]/is",$s,$matches)) { $image = $matches[1]; logger('fix_private_photos: found photo ' . $image); if(stristr($image ,$a->get_baseurl() . '/photo/')) { $i = basename($image); $i = str_replace('.jpg','',$i); $x = strpos($i,'-'); if($x) { $res = substr($i,$x+1); $i = substr($i,0,$x); $r = q("SELECT * FROM `photo` WHERE `resource-id` = '%s' AND `scale` = %d AND `uid` = %d", dbesc($i), intval($res), intval($uid) ); if(count($r)) { logger('replacing photo'); $s = str_replace($image, 'data:image/jpg;base64,' . base64_encode($r[0]['data']), $s); } } logger('fix_private_photos: replaced: ' . $s, LOGGER_DATA); } } return($s); } 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=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"\[\/attach\]|',$r,$matches); if($cnt) { $ret .= '<link rel="enclosure" href="' . xmlify($matches[1]) . '" type="' . xmlify($matches[3]) . '" '; if(intval($matches[2])) $ret .= 'length="' . intval($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"); } function drop_items($items) { $uid = 0; if(count($items)) { foreach($items as $item) { $owner = drop_item($item,false); if($owner && ! $uid) $uid = $owner; } } // multiple threads may have been deleted, send an expire notification if($uid) proc_run('php',"include/notifier.php","expire","$uid"); } function drop_item($id,$interactive = true) { $a = get_app(); // locate item to be deleted $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1", intval($id) ); if(! count($r)) { if(! $interactive) return 0; notice( t('Item not found.') . EOL); goaway($a->get_baseurl() . '/' . $_SESSION['return_url']); } $item = $r[0]; $owner = $item['uid']; // check if logged in user is either the author or owner of this item if((local_user() == $item['uid']) || (remote_user() == $item['contact-id'])) { // delete the item $r = q("UPDATE `item` SET `deleted` = 1, `body` = '', `edited` = '%s', `changed` = '%s' WHERE `id` = %d LIMIT 1", dbesc(datetime_convert()), dbesc(datetime_convert()), intval($item['id']) ); // If item is a link to a photo resource, nuke all the associated photos // (visitors will not have photo resources) // This only applies to photos uploaded from the photos page. Photos inserted into a post do not // generate a resource-id and therefore aren't intimately linked to the item. if(strlen($item['resource-id'])) { q("DELETE FROM `photo` WHERE `resource-id` = '%s' AND `uid` = %d ", dbesc($item['resource-id']), intval($item['uid']) ); // ignore the result } // If item is a link to an event, nuke the event record. if(intval($item['event-id'])) { q("DELETE FROM `event` WHERE `id` = %d AND `uid` = %d LIMIT 1", intval($item['event-id']), intval($item['uid']) ); // ignore the result } // If it's the parent of a comment thread, kill all the kids if($item['uri'] == $item['parent-uri']) { $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s', `body` = '' WHERE `parent-uri` = '%s' AND `uid` = %d ", dbesc(datetime_convert()), dbesc(datetime_convert()), dbesc($item['parent-uri']), intval($item['uid']) ); // ignore the result } else { // ensure that last-child is set in case the comment that had it just got wiped. q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ", dbesc(datetime_convert()), dbesc($item['parent-uri']), intval($item['uid']) ); // who is the last child now? $r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `uid` = %d ORDER BY `edited` DESC LIMIT 1", dbesc($item['parent-uri']), intval($item['uid']) ); if(count($r)) { q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d LIMIT 1", intval($r[0]['id']) ); } } $drop_id = intval($item['id']); // send the notification upstream/downstream as the case may be if(! $interactive) return $owner; proc_run('php',"include/notifier.php","drop","$drop_id"); goaway($a->get_baseurl() . '/' . $_SESSION['return_url']); //NOTREACHED } else { if(! $interactive) return 0; notice( t('Permission denied.') . EOL); goaway($a->get_baseurl() . '/' . $_SESSION['return_url']); //NOTREACHED } }