<?php require_once('bbcode.php'); function get_feed_for(&$a, $dfrn_id, $owner_id, $last_update, $direction = 0) { // default permissions - anonymous user $sql_extra = " AND `allow_cid` = '' AND `allow_gid` = '' AND `deny_cid` = '' AND `deny_gid` = '' "; if(strlen($owner_id) && ! intval($owner_id)) { $r = q("SELECT `uid`, `nickname` FROM `user` WHERE `nickname` = '%s' LIMIT 1", dbesc($owner_id) ); if(count($r)) { $owner_id = $r[0]['uid']; $owner_nick = $r[0]['nickname']; } } $r = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1", intval($owner_id) ); if(count($r)) $owner = $r[0]; else killme(); if($dfrn_id && $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)) return false; $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`.`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 in any case. $items = $r; $feed_template = load_view_file('view/atom_feed.tpl'); $tomb_template = load_view_file('view/atom_tomb.tpl'); $item_template = load_view_file('view/atom_item.tpl'); $cmnt_template = load_view_file('view/atom_cmnt.tpl'); $atom = ''; $hub = get_config('system','huburl'); $hubxml = ''; if(strlen($hub)) { $hubs = explode(',', $hub); if(count($hubs)) { foreach($hubs as $h) { $h = trim($h); if(! strlen($h)) continue; $hubxml .= '<link rel="hub" href="' . xmlify($h) . '" />' . "\n" ; } } } $salmon = '<link rel="salmon" href="' . xmlify($a->get_baseurl() . '/salmon/' . $owner_nick) . '" />' . "\n" ; $salmon .= '<link rel="http://salmon-protocol.org/ns/salmon-replies" href="' . xmlify($a->get_baseurl() . '/salmon/' . $owner_nick) . '" />' . "\n" ; $salmon .= '<link rel="http://salmon-protocol.org/ns/salmon-mention" href="' . xmlify($a->get_baseurl() . '/salmon/' . $owner_nick) . '" />' . "\n" ; $atom .= replace_macros($feed_template, array( '$feed_id' => xmlify($a->get_baseurl() . '/profile/' . $owner_nick), '$feed_title' => xmlify($owner['name']), '$feed_updated' => xmlify(datetime_convert('UTC', 'UTC', $updated . '+00:00' , ATOM_TIME)) , '$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',$owner['name-date'] . '+00:00' , ATOM_TIME)) )); if(! count($items)) { $atom .= '</feed>' . "\r\n"; return $atom; } foreach($items as $item) { // public feeds get html, our own nodes use bbcode if($dfrn_id === '*') { $allow = (($item['last-child']) ? 1 : 0); $item['body'] = bbcode($item['body']); $type = 'html'; } else { $allow = ((($item['last-child']) && ($contact['rel']) && ($contact['rel'] != REL_FAN)) ? 1 : 0); $type = 'text'; } if($item['deleted']) { $atom .= replace_macros($tomb_template, array( '$id' => xmlify($item['uri']), '$updated' => xmlify(datetime_convert('UTC', 'UTC', $item['edited'] . '+00:00' , ATOM_TIME)) )); } else { $verb = construct_verb($item); $actobj = construct_activity($item); if($item['parent'] == $item['id']) { $atom .= replace_macros($item_template, array( '$name' => xmlify($item['name']), '$profile_page' => xmlify($item['url']), '$thumb' => xmlify($item['thumb']), '$owner_name' => xmlify($item['owner-name']), '$owner_profile_page' => xmlify($item['owner-link']), '$owner_thumb' => xmlify($item['owner-avatar']), '$item_id' => xmlify($item['uri']), '$title' => xmlify($item['title']), '$published' => xmlify(datetime_convert('UTC', 'UTC', $item['created'] . '+00:00' , ATOM_TIME)), '$updated' => xmlify(datetime_convert('UTC', 'UTC', $item['edited'] . '+00:00' , ATOM_TIME)), '$location' => xmlify($item['location']), '$coord' => xmlify($item['coord']), '$type' => $type, '$alt' => xmlify($a->get_baseurl() . '/display/' . $owner_nick . '/' . $item['id']), '$content' => xmlify($item['body']), '$verb' => xmlify($verb), '$actobj' => $actobj, // do not xmlify '$comment_allow' => $allow )); } else { $atom .= replace_macros($cmnt_template, array( '$name' => xmlify($item['name']), '$profile_page' => xmlify($item['url']), '$thumb' => xmlify($item['thumb']), '$item_id' => xmlify($item['uri']), '$title' => xmlify($item['title']), '$published' => xmlify(datetime_convert('UTC', 'UTC', $item['created'] . '+00:00' , ATOM_TIME)), '$updated' => xmlify(datetime_convert('UTC', 'UTC', $item['edited'] . '+00:00' , ATOM_TIME)), '$type' => $type, '$content' => xmlify($item['body']), '$alt' => xmlify($a->get_baseurl() . '/display/' . $owner_nick . '/' . $item['id']), '$verb' => xmlify($verb), '$actobj' => $actobj, // do not xmlify '$parent_id' => xmlify($item['parent-uri']), '$comment_allow' => $allow )); } } } $atom .= '</feed>' . "\r\n"; return $atom; } function construct_verb($item) { if($item['verb']) return $item['verb']; return ACTIVITY_POST; } function construct_activity($item) { if($item['object']) { $o = '<as:object>' . "\r\n"; $r = @simplexml_load_string($item['object']); 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->link) $o .= '<link rel="alternate" type="text/html" href="' . xmlify($r->link) . '" />' . "\r\n"; if($r->title) $o .= '<title>' . xmlify($r->title) . '</title>' . "\r\n"; if($r->content) $o .= '<content type="html" >' . xmlify(bbcode($r->content)) . '</content>' . "\r\n"; $o .= '</as:object>' . "\r\n"; return $o; } return ''; } function get_atom_elements($item) { require_once('library/HTMLPurifier.auto.php'); require_once('include/html2bbcode.php'); $res = array(); $raw_author = $item->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10,'author'); if($raw_author) { if($raw_author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'][0]['attribs']['']['rel'] === 'photo') $res['author-avatar'] = unxmlify($raw_author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'][0]['attribs']['']['href']); } $author = $item->get_author(); $res['author-name'] = unxmlify($author->get_name()); $res['author-link'] = unxmlify($author->get_link()); if(! $res['author-avatar']) $res['author-avatar'] = unxmlify($author->get_avatar()); $res['uri'] = unxmlify($item->get_id()); $res['title'] = unxmlify($item->get_title()); $res['body'] = unxmlify($item->get_content()); $maxlen = get_max_import_size(); if($maxlen && (strlen($res['body']) > $maxlen)) $res['body'] = substr($res['body'],0, $maxlen); // It isn't certain at this point whether our content is plaintext or html and we'd be foolish to trust // the content type. Our own network only emits text normally, though it might have been converted to // html if we used a pubsubhubbub transport. But if we see even one html open tag in our text, we will // have to assume it is all html and needs to be purified. // It doesn't matter all that much security wise - because before this content is used anywhere, we are // going to escape any tags we find regardless, but this lets us import a limited subset of html from // the wild, by sanitising it and converting supported tags to bbcode before we rip out any remaining // html. if(strpos($res['body'],'<')) { $res['body'] = preg_replace('#<object[^>]+>.+?' . 'http://www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+).+?</object>#s', '[youtube]$1[/youtube]', $res['body']); $config = HTMLPurifier_Config::createDefault(); $config->set('Core.DefinitionCache', 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; $rawcreated = $item->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10,'published'); if($rawcreated) $res['created'] = unxmlify($rawcreated[0]['data']); $rawlocation = $item->get_item_tags(NAMESPACE_DFRN, 'location'); if($rawlocation) $res['location'] = unxmlify($rawlocation[0]['data']); $rawedited = $item->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10,'updated'); if($rawedited) $res['edited'] = unxmlify($rawcreated[0]['data']); $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'][0]['attribs']['']['rel'] === 'photo') $res['owner-avatar'] = unxmlify($rawowner[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'][0]['attribs']['']['href']); elseif($rawowner[0]['child'][NAMESPACE_DFRN]['avatar'][0]['data']) $res['owner-avatar'] = unxmlify($rawowner[0]['child'][NAMESPACE_DFRN]['avatar'][0]['data']); $rawgeo = $item->get_item_tags(NAMESPACE_GEORSS,'point'); if($rawgeo) $res['coord'] = unxmlify($rawgeo[0]['data']); $rawactor = $item->get_item_tags(NAMESPACE_ACTIVITY, 'object'); if($rawactor && $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($link['attribs']['']['rel'] === 'avatar' && (! $res['author-avatar'])) $res['author-avatar'] = unxmlify($link['attribs']['']['href']); } } } $rawverb = $item->get_item_tags(NAMESPACE_ACTIVITY, 'verb'); // select between supported verbs if($rawverb) $res['verb'] = unxmlify($rawverb[0]['data']); $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'][0]['attribs']['']['rel'] === 'alternate') $res['object'] .= '<link>' . $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'][0]['attribs']['']['href'] . '</link>' . "\n"; if($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 = $rawobj[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['summary'][0]['data']; if(strpos($body,'<')) { $body = preg_replace('#<object[^>]+>.+?' . 'http://www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+).+?</object>#s', '[youtube]$1[/youtube]', $body); $config = HTMLPurifier_Config::createDefault(); $config->set('Core.DefinitionCache', null); $purifier = new HTMLPurifier($config); $body = $purifier->purify($body); } $body = html2bbcode($body); $res['object'] .= '<content>' . $body . '</content>' . "\n"; } $res['object'] .= '</object>' . "\n"; } return $res; } function item_store($arr) { //print_r($arr); if($arr['gravity']) $arr['gravity'] = intval($arr['gravity']); elseif($arr['parent-uri'] == $arr['uri']) $arr['gravity'] = 0; elseif($arr['verb'] == ACTIVITY_POST) $arr['gravity'] = 6; if(! x($arr,'type')) $arr['type'] = 'remote'; $arr['wall'] = ((intval($arr['wall'])) ? 1 : 0); $arr['uri'] = notags(trim($arr['uri'])); $arr['author-name'] = notags(trim($arr['author-name'])); $arr['author-link'] = notags(trim($arr['author-link'])); $arr['author-avatar'] = notags(trim($arr['author-avatar'])); $arr['owner-name'] = notags(trim($arr['owner-name'])); $arr['owner-link'] = notags(trim($arr['owner-link'])); $arr['owner-avatar'] = notags(trim($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['changed'] = datetime_convert(); $arr['title'] = notags(trim($arr['title'])); $arr['location'] = notags(trim($arr['location'])); $arr['coord'] = notags(trim($arr['coord'])); $arr['body'] = escape_tags(trim($arr['body'])); $arr['last-child'] = intval($arr['last-child']); $arr['visible'] = ((x($arr,'visible') !== false) ? intval($arr['visible']) : 1); $arr['deleted'] = 0; $arr['parent-uri'] = notags(trim($arr['parent-uri'])); $arr['verb'] = notags(trim($arr['verb'])); $arr['object-type'] = notags(trim($arr['object-type'])); $arr['object'] = trim($arr['object']); $parent_id = 0; $parent_missing = false; dbesc_array($arr); $r = q("INSERT INTO `item` (`" . implode("`, `", array_keys($arr)) . "`) VALUES ('" . implode("', '", array_values($arr)) . "')" ); // find the parent and snarf the item id and ACL's $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", dbesc($arr['parent-uri']), intval($arr['uid']) ); if(count($r)) { $parent_id = $r[0]['id']; $allow_cid = $r[0]['allow_cid']; $allow_gid = $r[0]['allow_gid']; $deny_cid = $r[0]['deny_cid']; $deny_gid = $r[0]['deny_gid']; } else { $parent_missing = true; } $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 = $r[0]['id']; else return 0; if($parent_missing) { // perhaps the parent was deleted, but in any case, this thread is dead // and unfortunately our brand new item now has to be destroyed q("DELETE FROM `item` WHERE `id` = %d LIMIT 1", intval($current_post) ); return 0; } // Set parent id - all of the parent's ACL's are also inherited by this post $r = q("UPDATE `item` SET `parent` = %d, `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s' WHERE `id` = %d LIMIT 1", intval($parent_id), dbesc($allow_cid), dbesc($allow_gid), dbesc($deny_cid), dbesc($deny_gid), 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,$debugging = false) { if((! strlen($contact['dfrn-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; $url = $contact['notify'] . '?dfrn_id=' . $idtosend . '&dfrn_version=' . DFRN_PROTOCOL_VERSION ; if($debugging) echo "URL: $url\n"; $xml = fetch_url($url); if($debugging) echo $xml; if(! $xml) return 3; $res = simplexml_load_string($xml); if((intval($res->status) != 0) || (! strlen($res->challenge)) || (! strlen($res->dfrn_id))) return (($res->status) ? $res->status : 3); $postvars = array(); $sent_dfrn_id = hex2bin($res->dfrn_id); $challenge = hex2bin($res->challenge); $final_dfrn_id = ''; if(($contact['duplex'] && strlen($contact['prvkey'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) { openssl_private_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['prvkey']); openssl_private_decrypt($challenge,$postvars['challenge'],$contact['prvkey']); } else { openssl_public_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['pubkey']); openssl_public_decrypt($challenge,$postvars['challenge'],$contact['pubkey']); } $final_dfrn_id = substr($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 != $orig_id) { if($debugging) echo "Wrong ID - did not decode\n"; // did not decode properly - cannot trust this site return 3; } $postvars['dfrn_id'] = $idtosend; $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION; if(($contact['rel']) && ($contact['rel'] != REL_FAN) && (! $contact['blocked']) && (! $contact['readonly'])) { $postvars['data'] = $atom; } elseif($owner['page-flags'] == PAGE_COMMUNITY) { $postvars['data'] = $atom; } else { $postvars['data'] = str_replace('<dfrn:comment-allow>1','<dfrn:comment-allow>0',$atom); } $xml = post_url($contact['notify'],$postvars); if($debugging) { echo "SENDING: " . print_r($postvars,true) . "\n"; echo "RECEIVING: " . $xml; } $res = simplexml_load_string($xml); return $res->status; } /* * * consume_feed - process atom feed and update anything/everything we might need to update * * $xml = the (atom) feed to consume - 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. * $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. * $hub = should wefind ahub declation in the feed, pass it back to our calling process, who might (or * might not) try and subscribe to it. * */ function consume_feed($xml,$importer,$contact, &$hub) { require_once('simplepie/simplepie.inc'); $feed = new SimplePie(); $feed->set_raw_data($xml); $feed->enable_order_by_date(false); $feed->init(); // Check at the feed level for updated contact name and/or photo $name_updated = ''; $new_name = ''; $photo_timestamp = ''; $photo_url = ''; $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 = $elems['name'][0]['data']; } if(($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(! $photo_timestamp) { $photo_rawupdate = $feed->get_feed_tags(NAMESPACE_DFRN,'icon-updated'); if($photo_rawupdate) { $photo_timestamp = datetime_convert('UTC','UTC',$photo_rawupdate[0]['data']); $photo_url = $feed->get_image_url(); } } if((is_array($contact)) && ($photo_timestamp) && (strlen($photo_url)) && ($photo_timestamp > $contact['avatar-date'])) { require_once("Photo.php"); $photo_failure = 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']; $img_str = fetch_url($photo_url,true); $img = new Photo($img_str); if($img->is_valid()) { q("DELETE FROM `photo` WHERE `resource-id` = '%s' AND contact-id` = %d AND `uid` = %d", dbesc($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), t('Contact Photos') , 4); $img->scaleImage(80); $r = $img->store($contact['uid'], $contact['id'], $hash, basename($photo_url), t('Contact Photos') , 5); if($r) q("UPDATE `contact` SET `avatar-date` = '%s' WHERE `uid` = %d AND `id` = %d LIMIT 1", dbesc(datetime_convert()), intval($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']) ); } // Now process the feed if($feed->get_item_quantity()) { foreach($feed->get_items() as $item) { $deleted = false; $rawdelete = $item->get_item_tags( NAMESPACE_TOMB, 'deleted-entry'); if(isset($rawdelete[0]['attribs']['']['ref'])) { $uri = $rawthread[0]['attribs']['']['ref']; $deleted = true; if(isset($rawdelete[0]['attribs']['']['when'])) { $when = $rawthread[0]['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['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']) ); } } } } continue; } $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(); $r = q("SELECT `uid`, `last-child`, `edited` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", dbesc($item_id), intval($importer['uid']) ); // FIXME update content if 'updated' changes if(count($r)) { $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; } $datarray = get_atom_elements($item); $datarray['parent-uri'] = $parent_uri; $datarray['uid'] = $importer['uid']; $datarray['contact-id'] = $contact['id']; if(($datarray['verb'] == ACTIVITY_LIKE) || ($datarray['verb'] == ACTIVITY_DISLIKE)) { $datarray['type'] = 'activity'; $datarray['gravity'] = GRAVITY_LIKE; } $r = item_store($datarray); continue; } else { // Head post of a conversation. Have we seen it? If not, import it. $item_id = $item->get_id(); $r = q("SELECT `uid`, `last-child`, `edited` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", dbesc($item_id), intval($importer['uid']) ); if(count($r)) { $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; } $datarray = get_atom_elements($item); if(($datarray['verb'] === ACTIVITY_FOLLOW) && (! is_array($contact))) { new_follower($importer,$datarray); return; } if($datarray['verb'] === ACTIVITY_UNFOLLOW) { lose_follower($importer,$contact,$datarray); return; } if(! is_array($contact)) return; $datarray['parent-uri'] = $item_id; $datarray['uid'] = $importer['uid']; $datarray['contact-id'] = $contact['id']; $r = item_store($datarray); continue; } } } } function new_follower($importer,$datarray) { } function lose_follower($importer,$contact,$datarray) { } function subscribe_to_hub($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=' . $verify_token; if(! strlen($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; }