formatOutput = true; $root = self::add_header($doc, $owner, "dfrn:owner", "", false); if(! count($items)) return trim($doc->saveXML()); foreach($items as $item) { $entry = self::entry($doc, "text", $item, $owner, $item["entry:comment-allow"], $item["entry:cid"]); $root->appendChild($entry); } return(trim($doc->saveXML())); } /** * @brief Generate an atom feed for the given user * * This function is called when another server is pulling data from the user feed. * * @param string $dfrn_id DFRN ID from the requesting party * @param string $owner_nick Owner nick name * @param string $last_update Date of the last update * @param int $direction Can be -1, 0 or 1. * * @return string DFRN feed entries */ public static function feed($dfrn_id, $owner_nick, $last_update, $direction = 0) { $a = get_app(); $sitefeed = ((strlen($owner_nick)) ? false : true); // not yet implemented, need to rewrite huge chunks of following logic $public_feed = (($dfrn_id) ? false : true); $starred = false; // not yet implemented, possible security issues $converse = false; if($public_feed && $a->argc > 2) { for($x = 2; $x < $a->argc; $x++) { if($a->argv[$x] == 'converse') $converse = true; if($a->argv[$x] == 'starred') $starred = true; if($a->argv[$x] === 'category' && $a->argc > ($x + 1) && strlen($a->argv[$x+1])) $category = $a->argv[$x+1]; } } // default permissions - anonymous user $sql_extra = " AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = '' AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = '' "; $r = q("SELECT `contact`.*, `user`.`uid` AS `user_uid`, `user`.`nickname`, `user`.`timezone`, `user`.`page-flags` FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid` WHERE `contact`.`self` = 1 AND `user`.`nickname` = '%s' LIMIT 1", dbesc($owner_nick) ); if(! count($r)) killme(); $owner = $r[0]; $owner_id = $owner['user_uid']; $owner_nick = $owner['nickname']; $sql_post_table = ""; $visibility = ""; if(! $public_feed) { $sql_extra = ''; switch($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]; require_once('include/security.php'); $groups = init_groups_visitor($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($gs) ); } if($public_feed) $sort = 'DESC'; else $sort = 'ASC'; $date_field = "`changed`"; $sql_order = "`item`.`parent` ".$sort.", `item`.`created` ASC"; if(! strlen($last_update)) $last_update = 'now -30 days'; if(isset($category)) { $sql_post_table = sprintf("INNER JOIN (SELECT `oid` FROM `term` WHERE `term` = '%s' AND `otype` = %d AND `type` = %d AND `uid` = %d ORDER BY `tid` DESC) AS `term` ON `item`.`id` = `term`.`oid` ", dbesc(protect_sprintf($category)), intval(TERM_OBJ_POST), intval(TERM_CATEGORY), intval($owner_id)); //$sql_extra .= file_tag_file_query('item',$category,'category'); } if($public_feed) { if(! $converse) $sql_extra .= " AND `contact`.`self` = 1 "; } $check_date = datetime_convert('UTC','UTC',$last_update,'Y-m-d H:i:s'); // AND ( `item`.`edited` > '%s' OR `item`.`changed` > '%s' ) // dbesc($check_date), $r = q("SELECT STRAIGHT_JOIN `item`.*, `item`.`id` AS `item_id`, `contact`.`name`, `contact`.`network`, `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`, `sign`.`signed_text`, `sign`.`signature`, `sign`.`signer` FROM `item` $sql_post_table INNER JOIN `contact` ON `contact`.`id` = `item`.`contact-id` AND `contact`.`blocked` = 0 AND `contact`.`pending` = 0 LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id` WHERE `item`.`uid` = %d AND `item`.`visible` = 1 and `item`.`moderated` = 0 AND `item`.`parent` != 0 AND ((`item`.`wall` = 1) $visibility) AND `item`.$date_field > '%s' $sql_extra ORDER BY $sql_order LIMIT 0, 300", intval($owner_id), 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; $doc = new DOMDocument('1.0', 'utf-8'); $doc->formatOutput = true; $alternatelink = $owner['url']; if(isset($category)) $alternatelink .= "/category/".$category; if ($public_feed) $author = "dfrn:owner"; else $author = "author"; $root = self::add_header($doc, $owner, $author, $alternatelink, true); // This hook can't work anymore // call_hooks('atom_feed', $atom); if(! count($items)) { $atom = trim($doc->saveXML()); call_hooks('atom_feed_end', $atom); return $atom; } foreach($items as $item) { // prevent private email from leaking. if($item['network'] === NETWORK_MAIL) continue; // public feeds get html, our own nodes use bbcode if($public_feed) { $type = 'html'; // catch any email that's in a public conversation and make sure it doesn't leak if($item['private']) continue; } else $type = 'text'; $entry = self::entry($doc, $type, $item, $owner, true); $root->appendChild($entry); } $atom = trim($doc->saveXML()); call_hooks('atom_feed_end', $atom); return $atom; } /** * @brief Create XML text for DFRN mails * * @param array $item message elements * @param array $owner Owner record * * @return string DFRN mail */ public static function mail($item, $owner) { $doc = new DOMDocument('1.0', 'utf-8'); $doc->formatOutput = true; $root = self::add_header($doc, $owner, "dfrn:owner", "", false); $mail = $doc->createElement("dfrn:mail"); $sender = $doc->createElement("dfrn:sender"); xml_add_element($doc, $sender, "dfrn:name", $owner['name']); xml_add_element($doc, $sender, "dfrn:uri", $owner['url']); xml_add_element($doc, $sender, "dfrn:avatar", $owner['thumb']); $mail->appendChild($sender); xml_add_element($doc, $mail, "dfrn:id", $item['uri']); xml_add_element($doc, $mail, "dfrn:in-reply-to", $item['parent-uri']); xml_add_element($doc, $mail, "dfrn:sentdate", datetime_convert('UTC', 'UTC', $item['created'] . '+00:00' , ATOM_TIME)); xml_add_element($doc, $mail, "dfrn:subject", $item['title']); xml_add_element($doc, $mail, "dfrn:content", $item['body']); $root->appendChild($mail); return(trim($doc->saveXML())); } /** * @brief Create XML text for DFRN friend suggestions * * @param array $item suggestion elements * @param array $owner Owner record * * @return string DFRN suggestions */ public static function fsuggest($item, $owner) { $doc = new DOMDocument('1.0', 'utf-8'); $doc->formatOutput = true; $root = self::add_header($doc, $owner, "dfrn:owner", "", false); $suggest = $doc->createElement("dfrn:suggest"); xml_add_element($doc, $suggest, "dfrn:url", $item['url']); xml_add_element($doc, $suggest, "dfrn:name", $item['name']); xml_add_element($doc, $suggest, "dfrn:photo", $item['photo']); xml_add_element($doc, $suggest, "dfrn:request", $item['request']); xml_add_element($doc, $suggest, "dfrn:note", $item['note']); $root->appendChild($suggest); return(trim($doc->saveXML())); } /** * @brief Create XML text for DFRN relocations * * @param array $owner Owner record * @param int $uid User ID * * @return string DFRN relocations */ public static function relocate($owner, $uid) { /* get site pubkey. this could be a new installation with no site keys*/ $pubkey = get_config('system','site_pubkey'); if(! $pubkey) { $res = new_keypair(1024); set_config('system','site_prvkey', $res['prvkey']); set_config('system','site_pubkey', $res['pubkey']); } $rp = q("SELECT `resource-id` , `scale`, type FROM `photo` WHERE `profile` = 1 AND `uid` = %d ORDER BY scale;", $uid); $photos = array(); $ext = Photo::supportedTypes(); foreach($rp as $p) $photos[$p['scale']] = app::get_baseurl().'/photo/'.$p['resource-id'].'-'.$p['scale'].'.'.$ext[$p['type']]; unset($rp, $ext); $doc = new DOMDocument('1.0', 'utf-8'); $doc->formatOutput = true; $root = self::add_header($doc, $owner, "dfrn:owner", "", false); $relocate = $doc->createElement("dfrn:relocate"); xml_add_element($doc, $relocate, "dfrn:url", $owner['url']); xml_add_element($doc, $relocate, "dfrn:name", $owner['name']); xml_add_element($doc, $relocate, "dfrn:photo", $photos[4]); xml_add_element($doc, $relocate, "dfrn:thumb", $photos[5]); xml_add_element($doc, $relocate, "dfrn:micro", $photos[6]); xml_add_element($doc, $relocate, "dfrn:request", $owner['request']); xml_add_element($doc, $relocate, "dfrn:confirm", $owner['confirm']); xml_add_element($doc, $relocate, "dfrn:notify", $owner['notify']); xml_add_element($doc, $relocate, "dfrn:poll", $owner['poll']); xml_add_element($doc, $relocate, "dfrn:sitepubkey", get_config('system','site_pubkey')); $root->appendChild($relocate); return(trim($doc->saveXML())); } /** * @brief Adds the header elements for the DFRN protocol * * @param object $doc XML document * @param array $owner Owner record * @param string $authorelement Element name for the author * @param string $alternatelink link to profile or category * @param bool $public Is it a header for public posts? * * @return object XML root object */ private function add_header($doc, $owner, $authorelement, $alternatelink = "", $public = false) { if ($alternatelink == "") $alternatelink = $owner['url']; $root = $doc->createElementNS(NAMESPACE_ATOM1, 'feed'); $doc->appendChild($root); $root->setAttribute("xmlns:thr", NAMESPACE_THREAD); $root->setAttribute("xmlns:at", NAMESPACE_TOMB); $root->setAttribute("xmlns:media", NAMESPACE_MEDIA); $root->setAttribute("xmlns:dfrn", NAMESPACE_DFRN); $root->setAttribute("xmlns:activity", NAMESPACE_ACTIVITY); $root->setAttribute("xmlns:georss", NAMESPACE_GEORSS); $root->setAttribute("xmlns:poco", NAMESPACE_POCO); $root->setAttribute("xmlns:ostatus", NAMESPACE_OSTATUS); $root->setAttribute("xmlns:statusnet", NAMESPACE_STATUSNET); xml_add_element($doc, $root, "id", app::get_baseurl()."/profile/".$owner["nick"]); xml_add_element($doc, $root, "title", $owner["name"]); $attributes = array("uri" => "https://friendi.ca", "version" => FRIENDICA_VERSION."-".DB_UPDATE_VERSION); xml_add_element($doc, $root, "generator", FRIENDICA_PLATFORM, $attributes); $attributes = array("rel" => "license", "href" => "http://creativecommons.org/licenses/by/3.0/"); xml_add_element($doc, $root, "link", "", $attributes); $attributes = array("rel" => "alternate", "type" => "text/html", "href" => $alternatelink); xml_add_element($doc, $root, "link", "", $attributes); if ($public) { // DFRN itself doesn't uses this. But maybe someone else wants to subscribe to the public feed. ostatus_hublinks($doc, $root); $attributes = array("rel" => "salmon", "href" => app::get_baseurl()."/salmon/".$owner["nick"]); xml_add_element($doc, $root, "link", "", $attributes); $attributes = array("rel" => "http://salmon-protocol.org/ns/salmon-replies", "href" => app::get_baseurl()."/salmon/".$owner["nick"]); xml_add_element($doc, $root, "link", "", $attributes); $attributes = array("rel" => "http://salmon-protocol.org/ns/salmon-mention", "href" => app::get_baseurl()."/salmon/".$owner["nick"]); xml_add_element($doc, $root, "link", "", $attributes); } if ($owner['page-flags'] == PAGE_COMMUNITY) xml_add_element($doc, $root, "dfrn:community", 1); /// @todo We need a way to transmit the different page flags like "PAGE_PRVGROUP" xml_add_element($doc, $root, "updated", datetime_convert("UTC", "UTC", "now", ATOM_TIME)); $author = self::add_author($doc, $owner, $authorelement, $public); $root->appendChild($author); return $root; } /** * @brief Adds the author element in the header for the DFRN protocol * * @param object $doc XML document * @param array $owner Owner record * @param string $authorelement Element name for the author * * @return object XML author object */ private function add_author($doc, $owner, $authorelement, $public) { $author = $doc->createElement($authorelement); $namdate = datetime_convert('UTC', 'UTC', $owner['name-date'].'+00:00' , ATOM_TIME); $uridate = datetime_convert('UTC', 'UTC', $owner['uri-date'].'+00:00', ATOM_TIME); $picdate = datetime_convert('UTC', 'UTC', $owner['avatar-date'].'+00:00', ATOM_TIME); $attributes = array("dfrn:updated" => $namdate); xml_add_element($doc, $author, "name", $owner["name"], $attributes); $attributes = array("dfrn:updated" => $namdate); xml_add_element($doc, $author, "uri", app::get_baseurl().'/profile/'.$owner["nickname"], $attributes); $attributes = array("dfrn:updated" => $namdate); xml_add_element($doc, $author, "dfrn:handle", $owner["addr"], $attributes); $attributes = array("rel" => "photo", "type" => "image/jpeg", "dfrn:updated" => $picdate, "media:width" => 175, "media:height" => 175, "href" => $owner['photo']); xml_add_element($doc, $author, "link", "", $attributes); $attributes = array("rel" => "avatar", "type" => "image/jpeg", "dfrn:updated" => $picdate, "media:width" => 175, "media:height" => 175, "href" => $owner['photo']); xml_add_element($doc, $author, "link", "", $attributes); $birthday = feed_birthday($owner['user_uid'], $owner['timezone']); if ($birthday) xml_add_element($doc, $author, "dfrn:birthday", $birthday); // The following fields will only be generated if this isn't for a public feed if ($public) return $author; // Only show contact details when we are allowed to $r = q("SELECT `profile`.`about`, `profile`.`name`, `profile`.`homepage`, `user`.`nickname`, `user`.`timezone`, `profile`.`locality`, `profile`.`region`, `profile`.`country-name`, `profile`.`pub_keywords`, `profile`.`dob` FROM `profile` INNER JOIN `user` ON `user`.`uid` = `profile`.`uid` WHERE `profile`.`is-default` AND NOT `user`.`hidewall` AND `user`.`uid` = %d", intval($owner['user_uid'])); if ($r) { $profile = $r[0]; xml_add_element($doc, $author, "poco:displayName", $profile["name"]); xml_add_element($doc, $author, "poco:updated", $namdate); if (trim($profile["dob"]) != "0000-00-00") xml_add_element($doc, $author, "poco:birthday", "0000-".date("m-d", strtotime($profile["dob"]))); xml_add_element($doc, $author, "poco:note", $profile["about"]); xml_add_element($doc, $author, "poco:preferredUsername", $profile["nickname"]); $savetz = date_default_timezone_get(); date_default_timezone_set($profile["timezone"]); xml_add_element($doc, $author, "poco:utcOffset", date("P")); date_default_timezone_set($savetz); if (trim($profile["homepage"]) != "") { $urls = $doc->createElement("poco:urls"); xml_add_element($doc, $urls, "poco:type", "homepage"); xml_add_element($doc, $urls, "poco:value", $profile["homepage"]); xml_add_element($doc, $urls, "poco:primary", "true"); $author->appendChild($urls); } if (trim($profile["pub_keywords"]) != "") { $keywords = explode(",", $profile["pub_keywords"]); foreach ($keywords AS $keyword) xml_add_element($doc, $author, "poco:tags", trim($keyword)); } /// @todo When we are having the XMPP address in the profile we should propagate it here $xmpp = ""; if (trim($xmpp) != "") { $ims = $doc->createElement("poco:ims"); xml_add_element($doc, $ims, "poco:type", "xmpp"); xml_add_element($doc, $ims, "poco:value", $xmpp); xml_add_element($doc, $ims, "poco:primary", "true"); $author->appendChild($ims); } if (trim($profile["locality"].$profile["region"].$profile["country-name"]) != "") { $element = $doc->createElement("poco:address"); xml_add_element($doc, $element, "poco:formatted", formatted_location($profile)); if (trim($profile["locality"]) != "") xml_add_element($doc, $element, "poco:locality", $profile["locality"]); if (trim($profile["region"]) != "") xml_add_element($doc, $element, "poco:region", $profile["region"]); if (trim($profile["country-name"]) != "") xml_add_element($doc, $element, "poco:country", $profile["country-name"]); $author->appendChild($element); } } return $author; } /** * @brief Adds the author elements in the "entry" elements of the DFRN protocol * * @param object $doc XML document * @param string $element Element name for the author * @param string $contact_url Link of the contact * @param array $items Item elements * * @return object XML author object */ private function add_entry_author($doc, $element, $contact_url, $item) { $contact = get_contact_details_by_url($contact_url, $item["uid"]); $author = $doc->createElement($element); xml_add_element($doc, $author, "name", $contact["name"]); xml_add_element($doc, $author, "uri", $contact["url"]); xml_add_element($doc, $author, "dfrn:handle", $contact["addr"]); /// @Todo /// - Check real image type and image size /// - Check which of these boths elements we should use $attributes = array( "rel" => "photo", "type" => "image/jpeg", "media:width" => 80, "media:height" => 80, "href" => $contact["photo"]); xml_add_element($doc, $author, "link", "", $attributes); $attributes = array( "rel" => "avatar", "type" => "image/jpeg", "media:width" => 80, "media:height" => 80, "href" => $contact["photo"]); xml_add_element($doc, $author, "link", "", $attributes); return $author; } /** * @brief Adds the activity elements * * @param object $doc XML document * @param string $element Element name for the activity * @param string $activity activity value * * @return object XML activity object */ private function create_activity($doc, $element, $activity) { if($activity) { $entry = $doc->createElement($element); $r = parse_xml_string($activity, false); if(!$r) return false; if($r->type) xml_add_element($doc, $entry, "activity:object-type", $r->type); if($r->id) xml_add_element($doc, $entry, "id", $r->id); if($r->title) xml_add_element($doc, $entry, "title", $r->title); if($r->link) { if(substr($r->link,0,1) === '<') { if(strstr($r->link,'&') && (! strstr($r->link,'&'))) $r->link = str_replace('&','&', $r->link); $r->link = preg_replace('/\/','',$r->link); // XML does need a single element as root element so we add a dummy element here $data = parse_xml_string("".$r->link."", false); if (is_object($data)) { foreach ($data->link AS $link) { $attributes = array(); foreach ($link->attributes() AS $parameter => $value) $attributes[$parameter] = $value; xml_add_element($doc, $entry, "link", "", $attributes); } } } else { $attributes = array("rel" => "alternate", "type" => "text/html", "href" => $r->link); xml_add_element($doc, $entry, "link", "", $attributes); } } if($r->content) xml_add_element($doc, $entry, "content", bbcode($r->content), array("type" => "html")); return $entry; } return false; } /** * @brief Adds the elements for attachments * * @param object $doc XML document * @param object $root XML root * @param array $item Item element * * @return object XML attachment object */ private function get_attachment($doc, $root, $item) { $arr = explode('[/attach],',$item['attach']); if(count($arr)) { foreach($arr as $r) { $matches = false; $cnt = preg_match('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"|',$r,$matches); if($cnt) { $attributes = array("rel" => "enclosure", "href" => $matches[1], "type" => $matches[3]); if(intval($matches[2])) $attributes["length"] = intval($matches[2]); if(trim($matches[4]) != "") $attributes["title"] = trim($matches[4]); xml_add_element($doc, $root, "link", "", $attributes); } } } } /** * @brief Adds the "entry" elements for the DFRN protocol * * @param object $doc XML document * @param string $type "text" or "html" * @param array $item Item element * @param array $owner Owner record * @param bool $comment Trigger the sending of the "comment" element * @param int $cid Contact ID of the recipient * * @return object XML entry object */ private function entry($doc, $type, $item, $owner, $comment = false, $cid = 0) { $mentioned = array(); if(!$item['parent']) return; if($item['deleted']) { $attributes = array("ref" => $item['uri'], "when" => datetime_convert('UTC','UTC',$item['edited'] . '+00:00',ATOM_TIME)); return xml_create_element($doc, "at:deleted-entry", "", $attributes); } $entry = $doc->createElement("entry"); if($item['allow_cid'] || $item['allow_gid'] || $item['deny_cid'] || $item['deny_gid']) $body = fix_private_photos($item['body'],$owner['uid'],$item,$cid); else $body = $item['body']; if ($type == 'html') { $htmlbody = $body; if ($item['title'] != "") $htmlbody = "[b]".$item['title']."[/b]\n\n".$htmlbody; $htmlbody = bbcode($htmlbody, false, false, 7); } $author = self::add_entry_author($doc, "author", $item["author-link"], $item); $entry->appendChild($author); $dfrnowner = self::add_entry_author($doc, "dfrn:owner", $item["owner-link"], $item); $entry->appendChild($dfrnowner); if(($item['parent'] != $item['id']) || ($item['parent-uri'] !== $item['uri']) || (($item['thr-parent'] !== '') && ($item['thr-parent'] !== $item['uri']))) { $parent = q("SELECT `guid` FROM `item` WHERE `id` = %d", intval($item["parent"])); $parent_item = (($item['thr-parent']) ? $item['thr-parent'] : $item['parent-uri']); $attributes = array("ref" => $parent_item, "type" => "text/html", "href" => app::get_baseurl().'/display/'.$parent[0]['guid'], "dfrn:diaspora_guid" => $parent[0]['guid']); xml_add_element($doc, $entry, "thr:in-reply-to", "", $attributes); } xml_add_element($doc, $entry, "id", $item["uri"]); xml_add_element($doc, $entry, "title", $item["title"]); xml_add_element($doc, $entry, "published", datetime_convert("UTC","UTC",$item["created"]."+00:00",ATOM_TIME)); xml_add_element($doc, $entry, "updated", datetime_convert("UTC","UTC",$item["edited"]."+00:00",ATOM_TIME)); // "dfrn:env" is used to read the content xml_add_element($doc, $entry, "dfrn:env", base64url_encode($body, true)); // The "content" field is not read by the receiver. We could remove it when the type is "text" // We keep it at the moment, maybe there is some old version that doesn't read "dfrn:env" xml_add_element($doc, $entry, "content", (($type === 'html') ? $htmlbody : $body), array("type" => $type)); // We save this value in "plink". Maybe we should read it from there as well? xml_add_element($doc, $entry, "link", "", array("rel" => "alternate", "type" => "text/html", "href" => app::get_baseurl()."/display/".$item["guid"])); // "comment-allow" is some old fashioned stuff for old Friendica versions. // It is included in the rewritten code for completeness if ($comment) xml_add_element($doc, $entry, "dfrn:comment-allow", intval($item['last-child'])); if($item['location']) xml_add_element($doc, $entry, "dfrn:location", $item['location']); if($item['coord']) xml_add_element($doc, $entry, "georss:point", $item['coord']); if(($item['private']) || strlen($item['allow_cid']) || strlen($item['allow_gid']) || strlen($item['deny_cid']) || strlen($item['deny_gid'])) xml_add_element($doc, $entry, "dfrn:private", (($item['private']) ? $item['private'] : 1)); if($item['extid']) xml_add_element($doc, $entry, "dfrn:extid", $item['extid']); if($item['bookmark']) xml_add_element($doc, $entry, "dfrn:bookmark", "true"); if($item['app']) xml_add_element($doc, $entry, "statusnet:notice_info", "", array("local_id" => $item['id'], "source" => $item['app'])); xml_add_element($doc, $entry, "dfrn:diaspora_guid", $item["guid"]); // The signed text contains the content in Markdown, the sender handle and the signatur for the content // It is needed for relayed comments to Diaspora. if($item['signed_text']) { $sign = base64_encode(json_encode(array('signed_text' => $item['signed_text'],'signature' => $item['signature'],'signer' => $item['signer']))); xml_add_element($doc, $entry, "dfrn:diaspora_signature", $sign); } xml_add_element($doc, $entry, "activity:verb", construct_verb($item)); if ($item['object-type'] != "") xml_add_element($doc, $entry, "activity:object-type", $item['object-type']); elseif ($item['id'] == $item['parent']) xml_add_element($doc, $entry, "activity:object-type", ACTIVITY_OBJ_NOTE); else xml_add_element($doc, $entry, "activity:object-type", ACTIVITY_OBJ_COMMENT); $actobj = self::create_activity($doc, "activity:object", $item['object']); if ($actobj) $entry->appendChild($actobj); $actarg = self::create_activity($doc, "activity:target", $item['target']); if ($actarg) $entry->appendChild($actarg); $tags = item_getfeedtags($item); if(count($tags)) { foreach($tags as $t) if (($type != 'html') OR ($t[0] != "@")) xml_add_element($doc, $entry, "category", "", array("scheme" => "X-DFRN:".$t[0].":".$t[1], "term" => $t[2])); } if(count($tags)) foreach($tags as $t) if ($t[0] == "@") $mentioned[$t[1]] = $t[1]; foreach ($mentioned AS $mention) { $r = q("SELECT `forum`, `prv` FROM `contact` WHERE `uid` = %d AND `nurl` = '%s'", intval($owner["uid"]), dbesc(normalise_link($mention))); if ($r[0]["forum"] OR $r[0]["prv"]) xml_add_element($doc, $entry, "link", "", array("rel" => "mentioned", "ostatus:object-type" => ACTIVITY_OBJ_GROUP, "href" => $mention)); else xml_add_element($doc, $entry, "link", "", array("rel" => "mentioned", "ostatus:object-type" => ACTIVITY_OBJ_PERSON, "href" => $mention)); } self::get_attachment($doc, $entry, $item); return $entry; } /** * @brief Delivers the atom content to the contacts * * @param array $owner Owner record * @param array $contactr Contact record of the receiver * @param string $atom Content that will be transmitted * @param bool $dissolve (to be documented) * * @return int Deliver status. -1 means an error. */ public static function deliver($owner,$contact,$atom, $dissolve = false) { $a = get_app(); $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 = get_config('system','rino_encrypt'); $rino = intval($rino); // use RINO1 if mcrypt isn't installed and RINO2 was selected if ($rino==2 and !function_exists('mcrypt_create_iv')) $rino=1; logger("Local rino version: ". $rino, LOGGER_DEBUG); $ssl_val = intval(get_config('system','ssl_policy')); $ssl_policy = ''; switch($ssl_val){ case SSL_POLICY_FULL: $ssl_policy = 'full'; break; case SSL_POLICY_SELFSIGN: $ssl_policy = 'self'; break; case SSL_POLICY_NONE: default: $ssl_policy = 'none'; break; } $url = $contact['notify'] . '&dfrn_id=' . $idtosend . '&dfrn_version=' . DFRN_PROTOCOL_VERSION . (($rino) ? '&rino='.$rino : ''); 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, LOGGER_DATA); if(! $xml) return 3; if(strpos($xml,'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); $perm = (($res->perm) ? $res->perm : null); $dfrn_version = (float) (($res->dfrn_version) ? $res->dfrn_version : 2.0); $rino_remote_version = intval($res->rino); $page = (($owner['page-flags'] == PAGE_COMMUNITY) ? 1 : 0); logger("Remote rino version: ".$rino_remote_version." for ".$contact["url"], LOGGER_DEBUG); if($owner['page-flags'] == PAGE_PRVGROUP) $page = 2; $final_dfrn_id = ''; if($perm) { if((($perm == 'rw') && (! intval($contact['writable']))) || (($perm == 'r') && (intval($contact['writable'])))) { q("update contact set writable = %d where id = %d", intval(($perm == 'rw') ? 1 : 0), intval($contact['id']) ); $contact['writable'] = (string) 1 - intval($contact['writable']); } } if(($contact['duplex'] && strlen($contact['pubkey'])) || ($owner['page-flags'] == PAGE_COMMUNITY && strlen($contact['pubkey'])) || ($contact['rel'] == CONTACT_IS_SHARING && strlen($contact['pubkey']))) { 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 { $postvars['data'] = str_replace('1','0',$atom); $postvars['perm'] = 'r'; } $postvars['ssl_policy'] = $ssl_policy; if($page) $postvars['page'] = $page; if($rino>0 && $rino_remote_version>0 && (! $dissolve)) { logger('rino version: '. $rino_remote_version); switch($rino_remote_version) { case 1: // Deprecated rino version! $key = substr(random_string(),0,16); $data = aes_encrypt($postvars['data'],$key); break; case 2: // RINO 2 based on php-encryption try { $key = Crypto::createNewRandomKey(); } catch (CryptoTestFailed $ex) { logger('Cannot safely create a key'); return -1; } catch (CannotPerformOperation $ex) { logger('Cannot safely create a key'); return -1; } try { $data = Crypto::encrypt($postvars['data'], $key); } catch (CryptoTestFailed $ex) { logger('Cannot safely perform encryption'); return -1; } catch (CannotPerformOperation $ex) { logger('Cannot safely perform encryption'); return -1; } break; default: logger("rino: invalid requested verision '$rino_remote_version'"); return -1; } $postvars['rino'] = $rino_remote_version; $postvars['data'] = bin2hex($data); #logger('rino: sent key = ' . $key, LOGGER_DEBUG); if($dfrn_version >= 2.1) { if(($contact['duplex'] && strlen($contact['pubkey'])) || ($owner['page-flags'] == PAGE_COMMUNITY && strlen($contact['pubkey'])) || ($contact['rel'] == CONTACT_IS_SHARING && strlen($contact['pubkey']))) 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(($curl_stat == 503) && (stristr($a->get_curl_headers(),'retry-after'))) return(-1); if(strpos($xml,'status; } /** * @brief Add new birthday event for this person * * @param array $contact Contact record * @param string $birthday Birthday of the contact * */ private function birthday_event($contact, $birthday) { logger("updating birthday: ".$birthday." for contact ".$contact["id"]); $bdtext = sprintf(t("%s\'s birthday"), $contact["name"]); $bdtext2 = sprintf(t("Happy Birthday %s"), " [url=".$contact["url"]."]".$contact["name"]."[/url]") ; $r = q("INSERT INTO `event` (`uid`,`cid`,`created`,`edited`,`start`,`finish`,`summary`,`desc`,`type`) VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s') ", intval($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($bdtext2), dbesc("birthday") ); } /** * @brief Fetch the author data from head or entry items * * @param object $xpath XPath object * @param object $context In which context should the data be searched * @param array $importer Record of the importer user mixed with contact of the content * @param string $element Element name from which the data is fetched * @param bool $onlyfetch Should the data only be fetched or should it update the contact record as well * * @return Returns an array with relevant data of the author */ private function fetchauthor($xpath, $context, $importer, $element, $onlyfetch, $xml = "") { $author = array(); $author["name"] = $xpath->evaluate($element."/atom:name/text()", $context)->item(0)->nodeValue; $author["link"] = $xpath->evaluate($element."/atom:uri/text()", $context)->item(0)->nodeValue; $r = q("SELECT `id`, `uid`, `url`, `network`, `avatar-date`, `name-date`, `uri-date`, `addr`, `name`, `nick`, `about`, `location`, `keywords`, `bdyear`, `bd` FROM `contact` WHERE `uid` = %d AND `nurl` = '%s' AND `network` != '%s'", intval($importer["uid"]), dbesc(normalise_link($author["link"])), dbesc(NETWORK_STATUSNET)); if ($r) { $contact = $r[0]; $author["contact-id"] = $r[0]["id"]; $author["network"] = $r[0]["network"]; } else { if (!$onlyfetch) logger("Contact ".$author["link"]." wasn't found for user ".$importer["uid"]." XML: ".$xml, LOGGER_DEBUG); $author["contact-id"] = $importer["id"]; $author["network"] = $importer["network"]; $onlyfetch = true; } // Until now we aren't serving different sizes - but maybe later $avatarlist = array(); // @todo check if "avatar" or "photo" would be the best field in the specification $avatars = $xpath->query($element."/atom:link[@rel='avatar']", $context); foreach($avatars AS $avatar) { $href = ""; $width = 0; foreach($avatar->attributes AS $attributes) { if ($attributes->name == "href") $href = $attributes->textContent; if ($attributes->name == "width") $width = $attributes->textContent; if ($attributes->name == "updated") $contact["avatar-date"] = $attributes->textContent; } if (($width > 0) AND ($href != "")) $avatarlist[$width] = $href; } if (count($avatarlist) > 0) { krsort($avatarlist); $author["avatar"] = current($avatarlist); } if ($r AND !$onlyfetch) { logger("Check if contact details for contact ".$r[0]["id"]." (".$r[0]["nick"].") have to be updated.", LOGGER_DEBUG); $poco = array("url" => $contact["url"]); // When was the last change to name or uri? $name_element = $xpath->query($element."/atom:name", $context)->item(0); foreach($name_element->attributes AS $attributes) if ($attributes->name == "updated") $poco["name-date"] = $attributes->textContent; $link_element = $xpath->query($element."/atom:link", $context)->item(0); foreach($link_element->attributes AS $attributes) if ($attributes->name == "updated") $poco["uri-date"] = $attributes->textContent; // Update contact data $value = $xpath->evaluate($element."/dfrn:handle/text()", $context)->item(0)->nodeValue; if ($value != "") $poco["addr"] = $value; $value = $xpath->evaluate($element."/poco:displayName/text()", $context)->item(0)->nodeValue; if ($value != "") $poco["name"] = $value; $value = $xpath->evaluate($element."/poco:preferredUsername/text()", $context)->item(0)->nodeValue; if ($value != "") $poco["nick"] = $value; $value = $xpath->evaluate($element."/poco:note/text()", $context)->item(0)->nodeValue; if ($value != "") $poco["about"] = $value; $value = $xpath->evaluate($element."/poco:address/poco:formatted/text()", $context)->item(0)->nodeValue; if ($value != "") $poco["location"] = $value; /// @todo Add support for the following fields that we don't support by now in the contact table: /// - poco:utcOffset /// - poco:ims /// - poco:urls /// - poco:locality /// - poco:region /// - poco:country // Save the keywords into the contact table $tags = array(); $tagelements = $xpath->evaluate($element."/poco:tags/text()", $context); foreach($tagelements AS $tag) $tags[$tag->nodeValue] = $tag->nodeValue; if (count($tags)) $poco["keywords"] = implode(", ", $tags); // "dfrn:birthday" contains the birthday converted to UTC $old_bdyear = $contact["bdyear"]; $birthday = $xpath->evaluate($element."/dfrn:birthday/text()", $context)->item(0)->nodeValue; if (strtotime($birthday) > time()) { $bd_timestamp = strtotime($birthday); $poco["bdyear"] = date("Y", $bd_timestamp); } // "poco:birthday" is the birthday in the format "yyyy-mm-dd" $value = $xpath->evaluate($element."/poco:birthday/text()", $context)->item(0)->nodeValue; if (!in_array($value, array("", "0000-00-00"))) { $bdyear = date("Y"); $value = str_replace("0000", $bdyear, $value); if (strtotime($value) < time()) { $value = str_replace($bdyear, $bdyear + 1, $value); $bdyear = $bdyear + 1; } $poco["bd"] = $value; } $contact = array_merge($contact, $poco); if ($old_bdyear != $contact["bdyear"]) self::birthday_event($contact, $birthday); // Get all field names $fields = array(); foreach ($r[0] AS $field => $data) $fields[$field] = $data; unset($fields["id"]); unset($fields["uid"]); unset($fields["url"]); unset($fields["avatar-date"]); unset($fields["name-date"]); unset($fields["uri-date"]); // Update check for this field has to be done differently $datefields = array("name-date", "uri-date"); foreach ($datefields AS $field) if (strtotime($contact[$field]) > strtotime($r[0][$field])) { logger("Difference for contact ".$contact["id"]." in field '".$field."'. Old value: '".$contact[$field]."', new value '".$r[0][$field]."'", LOGGER_DEBUG); $update = true; } foreach ($fields AS $field => $data) if ($contact[$field] != $r[0][$field]) { logger("Difference for contact ".$contact["id"]." in field '".$field."'. Old value: '".$contact[$field]."', new value '".$r[0][$field]."'", LOGGER_DEBUG); $update = true; } if ($update) { logger("Update contact data for contact ".$contact["id"]." (".$contact["nick"].")", LOGGER_DEBUG); q("UPDATE `contact` SET `name` = '%s', `nick` = '%s', `about` = '%s', `location` = '%s', `addr` = '%s', `keywords` = '%s', `bdyear` = '%s', `bd` = '%s', `name-date` = '%s', `uri-date` = '%s' WHERE `id` = %d AND `network` = '%s'", dbesc($contact["name"]), dbesc($contact["nick"]), dbesc($contact["about"]), dbesc($contact["location"]), dbesc($contact["addr"]), dbesc($contact["keywords"]), dbesc($contact["bdyear"]), dbesc($contact["bd"]), dbesc($contact["name-date"]), dbesc($contact["uri-date"]), intval($contact["id"]), dbesc($contact["network"])); } update_contact_avatar($author["avatar"], $importer["uid"], $contact["id"], (strtotime($contact["avatar-date"]) > strtotime($r[0]["avatar-date"]))); // The generation is a sign for the reliability of the provided data. // It is used in the socgraph.php to prevent that old contact data // that was relayed over several servers can overwrite contact // data that we received directly. $poco["generation"] = 2; $poco["photo"] = $author["avatar"]; update_gcontact($poco); } return($author); } /** * @brief Transforms activity objects into an XML string * * @param object $xpath XPath object * @param object $activity Activity object * @param text $element element name * * @return string XML string */ private function transform_activity($xpath, $activity, $element) { if (!is_object($activity)) return ""; $obj_doc = new DOMDocument("1.0", "utf-8"); $obj_doc->formatOutput = true; $obj_element = $obj_doc->createElementNS(NAMESPACE_ATOM1, $element); $activity_type = $xpath->query("activity:object-type/text()", $activity)->item(0)->nodeValue; xml_add_element($obj_doc, $obj_element, "type", $activity_type); $id = $xpath->query("atom:id", $activity)->item(0); if (is_object($id)) $obj_element->appendChild($obj_doc->importNode($id, true)); $title = $xpath->query("atom:title", $activity)->item(0); if (is_object($title)) $obj_element->appendChild($obj_doc->importNode($title, true)); $links = $xpath->query("atom:link", $activity); if (is_object($links)) foreach ($links AS $link) $obj_element->appendChild($obj_doc->importNode($link, true)); $content = $xpath->query("atom:content", $activity)->item(0); if (is_object($content)) $obj_element->appendChild($obj_doc->importNode($content, true)); $obj_doc->appendChild($obj_element); $objxml = $obj_doc->saveXML($obj_element); // @todo This isn't totally clean. We should find a way to transform the namespaces $objxml = str_replace("<".$element.' xmlns="http://www.w3.org/2005/Atom">', "<".$element.">", $objxml); return($objxml); } /** * @brief Processes the mail elements * * @param object $xpath XPath object * @param object $mail mail elements * @param array $importer Record of the importer user mixed with contact of the content */ private function process_mail($xpath, $mail, $importer) { logger("Processing mails"); $msg = array(); $msg["uid"] = $importer["importer_uid"]; $msg["from-name"] = $xpath->query("dfrn:sender/dfrn:name/text()", $mail)->item(0)->nodeValue; $msg["from-url"] = $xpath->query("dfrn:sender/dfrn:uri/text()", $mail)->item(0)->nodeValue; $msg["from-photo"] = $xpath->query("dfrn:sender/dfrn:avatar/text()", $mail)->item(0)->nodeValue; $msg["contact-id"] = $importer["id"]; $msg["uri"] = $xpath->query("dfrn:id/text()", $mail)->item(0)->nodeValue; $msg["parent-uri"] = $xpath->query("dfrn:in-reply-to/text()", $mail)->item(0)->nodeValue; $msg["created"] = $xpath->query("dfrn:sentdate/text()", $mail)->item(0)->nodeValue; $msg["title"] = $xpath->query("dfrn:subject/text()", $mail)->item(0)->nodeValue; $msg["body"] = $xpath->query("dfrn:content/text()", $mail)->item(0)->nodeValue; $msg["seen"] = 0; $msg["replied"] = 0; dbesc_array($msg); $r = dbq("INSERT INTO `mail` (`".implode("`, `", array_keys($msg))."`) VALUES ('".implode("', '", array_values($msg))."')"); // send notifications. $notif_params = array( "type" => NOTIFY_MAIL, "notify_flags" => $importer["notify-flags"], "language" => $importer["language"], "to_name" => $importer["username"], "to_email" => $importer["email"], "uid" => $importer["importer_uid"], "item" => $msg, "source_name" => $msg["from-name"], "source_link" => $importer["url"], "source_photo" => $importer["thumb"], "verb" => ACTIVITY_POST, "otype" => "mail" ); notification($notif_params); logger("Mail is processed, notification was sent."); } /** * @brief Processes the suggestion elements * * @param object $xpath XPath object * @param object $suggestion suggestion elements * @param array $importer Record of the importer user mixed with contact of the content */ private function process_suggestion($xpath, $suggestion, $importer) { logger("Processing suggestions"); $suggest = array(); $suggest["uid"] = $importer["importer_uid"]; $suggest["cid"] = $importer["id"]; $suggest["url"] = $xpath->query("dfrn:url/text()", $suggestion)->item(0)->nodeValue; $suggest["name"] = $xpath->query("dfrn:name/text()", $suggestion)->item(0)->nodeValue; $suggest["photo"] = $xpath->query("dfrn:photo/text()", $suggestion)->item(0)->nodeValue; $suggest["request"] = $xpath->query("dfrn:request/text()", $suggestion)->item(0)->nodeValue; $suggest["body"] = $xpath->query("dfrn:note/text()", $suggestion)->item(0)->nodeValue; // Does our member already have a friend matching this description? $r = q("SELECT `id` FROM `contact` WHERE `name` = '%s' AND `nurl` = '%s' AND `uid` = %d LIMIT 1", dbesc($suggest["name"]), dbesc(normalise_link($suggest["url"])), intval($suggest["uid"]) ); if(count($r)) return false; // Do we already have an fcontact record for this person? $fid = 0; $r = q("SELECT `id` FROM `fcontact` WHERE `url` = '%s' AND `name` = '%s' AND `request` = '%s' LIMIT 1", dbesc($suggest["url"]), dbesc($suggest["name"]), dbesc($suggest["request"]) ); if(count($r)) { $fid = $r[0]["id"]; // OK, we do. Do we already have an introduction for this person ? $r = q("SELECT `id` FROM `intro` WHERE `uid` = %d AND `fid` = %d LIMIT 1", intval($suggest["uid"]), intval($fid) ); if(count($r)) return false; } if(!$fid) $r = q("INSERT INTO `fcontact` (`name`,`url`,`photo`,`request`) VALUES ('%s', '%s', '%s', '%s')", dbesc($suggest["name"]), dbesc($suggest["url"]), dbesc($suggest["photo"]), dbesc($suggest["request"]) ); $r = q("SELECT `id` FROM `fcontact` WHERE `url` = '%s' AND `name` = '%s' AND `request` = '%s' LIMIT 1", dbesc($suggest["url"]), dbesc($suggest["name"]), dbesc($suggest["request"]) ); if(count($r)) $fid = $r[0]["id"]; else // database record did not get created. Quietly give up. return false; $hash = random_string(); $r = q("INSERT INTO `intro` (`uid`, `fid`, `contact-id`, `note`, `hash`, `datetime`, `blocked`) VALUES(%d, %d, %d, '%s', '%s', '%s', %d)", intval($suggest["uid"]), intval($fid), intval($suggest["cid"]), dbesc($suggest["body"]), dbesc($hash), dbesc(datetime_convert()), intval(0) ); notification(array( "type" => NOTIFY_SUGGEST, "notify_flags" => $importer["notify-flags"], "language" => $importer["language"], "to_name" => $importer["username"], "to_email" => $importer["email"], "uid" => $importer["importer_uid"], "item" => $suggest, "link" => App::get_baseurl()."/notifications/intros", "source_name" => $importer["name"], "source_link" => $importer["url"], "source_photo" => $importer["photo"], "verb" => ACTIVITY_REQ_FRIEND, "otype" => "intro" )); return true; } /** * @brief Processes the relocation elements * * @param object $xpath XPath object * @param object $relocation relocation elements * @param array $importer Record of the importer user mixed with contact of the content */ private function process_relocation($xpath, $relocation, $importer) { logger("Processing relocations"); $relocate = array(); $relocate["uid"] = $importer["importer_uid"]; $relocate["cid"] = $importer["id"]; $relocate["url"] = $xpath->query("dfrn:url/text()", $relocation)->item(0)->nodeValue; $relocate["name"] = $xpath->query("dfrn:name/text()", $relocation)->item(0)->nodeValue; $relocate["photo"] = $xpath->query("dfrn:photo/text()", $relocation)->item(0)->nodeValue; $relocate["thumb"] = $xpath->query("dfrn:thumb/text()", $relocation)->item(0)->nodeValue; $relocate["micro"] = $xpath->query("dfrn:micro/text()", $relocation)->item(0)->nodeValue; $relocate["request"] = $xpath->query("dfrn:request/text()", $relocation)->item(0)->nodeValue; $relocate["confirm"] = $xpath->query("dfrn:confirm/text()", $relocation)->item(0)->nodeValue; $relocate["notify"] = $xpath->query("dfrn:notify/text()", $relocation)->item(0)->nodeValue; $relocate["poll"] = $xpath->query("dfrn:poll/text()", $relocation)->item(0)->nodeValue; $relocate["sitepubkey"] = $xpath->query("dfrn:sitepubkey/text()", $relocation)->item(0)->nodeValue; // update contact $r = q("SELECT `photo`, `url` FROM `contact` WHERE `id` = %d AND `uid` = %d;", intval($importer["id"]), intval($importer["importer_uid"])); if (!$r) return false; $old = $r[0]; $x = q("UPDATE `contact` SET `name` = '%s', `photo` = '%s', `thumb` = '%s', `micro` = '%s', `url` = '%s', `nurl` = '%s', `request` = '%s', `confirm` = '%s', `notify` = '%s', `poll` = '%s', `site-pubkey` = '%s' WHERE `id` = %d AND `uid` = %d;", dbesc($relocate["name"]), dbesc($relocate["photo"]), dbesc($relocate["thumb"]), dbesc($relocate["micro"]), dbesc($relocate["url"]), dbesc(normalise_link($relocate["url"])), dbesc($relocate["request"]), dbesc($relocate["confirm"]), dbesc($relocate["notify"]), dbesc($relocate["poll"]), dbesc($relocate["sitepubkey"]), intval($importer["id"]), intval($importer["importer_uid"])); if ($x === false) return false; // update items $fields = array( 'owner-link' => array($old["url"], $relocate["url"]), 'author-link' => array($old["url"], $relocate["url"]), 'owner-avatar' => array($old["photo"], $relocate["photo"]), 'author-avatar' => array($old["photo"], $relocate["photo"]), ); foreach ($fields as $n=>$f){ $x = q("UPDATE `item` SET `%s` = '%s' WHERE `%s` = '%s' AND `uid` = %d", $n, dbesc($f[1]), $n, dbesc($f[0]), intval($importer["importer_uid"])); if ($x === false) return false; } /// @TODO /// merge with current record, current contents have priority /// update record, set url-updated /// update profile photos /// schedule a scan? return true; } /** * @brief Updates an item * * @param array $current the current item record * @param array $item the new item record * @param array $importer Record of the importer user mixed with contact of the content * @param int $entrytype Is it a toplevel entry, a comment or a relayed comment? */ private function update_content($current, $item, $importer, $entrytype) { $changed = false; if (edited_timestamp_is_newer($current, $item)) { // do not accept (ignore) an earlier edit than one we currently have. if(datetime_convert("UTC","UTC",$item["edited"]) < $current["edited"]) return(false); $r = q("UPDATE `item` SET `title` = '%s', `body` = '%s', `tag` = '%s', `edited` = '%s', `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d", dbesc($item["title"]), dbesc($item["body"]), dbesc($item["tag"]), dbesc(datetime_convert("UTC","UTC",$item["edited"])), dbesc(datetime_convert()), dbesc($item["uri"]), intval($importer["importer_uid"]) ); create_tags_from_itemuri($item["uri"], $importer["importer_uid"]); update_thread_uri($item["uri"], $importer["importer_uid"]); $changed = true; if ($entrytype == DFRN_REPLY_RC) proc_run("php", "include/notifier.php","comment-import", $current["id"]); } // update last-child if it changes if($item["last-child"] AND ($item["last-child"] != $current["last-child"])) { $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d", dbesc(datetime_convert()), dbesc($item["parent-uri"]), intval($importer["importer_uid"]) ); $r = q("UPDATE `item` SET `last-child` = %d , `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d", intval($item["last-child"]), dbesc(datetime_convert()), dbesc($item["uri"]), intval($importer["importer_uid"]) ); } return $changed; } /** * @brief Detects the entry type of the item * * @param array $importer Record of the importer user mixed with contact of the content * @param array $item the new item record * * @return int Is it a toplevel entry, a comment or a relayed comment? */ private function get_entry_type($importer, $item) { if ($item["parent-uri"] != $item["uri"]) { $community = false; if($importer["page-flags"] == PAGE_COMMUNITY || $importer["page-flags"] == PAGE_PRVGROUP) { $sql_extra = ""; $community = true; logger("possible community action"); } else $sql_extra = " AND `contact`.`self` AND `item`.`wall` "; // was the top-level post for this action written by somebody on this site? // Specifically, the recipient? $is_a_remote_action = false; $r = q("SELECT `item`.`parent-uri` FROM `item` WHERE `item`.`uri` = '%s' LIMIT 1", dbesc($item["parent-uri"]) ); if($r && count($r)) { $r = q("SELECT `item`.`forum_mode`, `item`.`wall` FROM `item` INNER JOIN `contact` ON `contact`.`id` = `item`.`contact-id` WHERE `item`.`uri` = '%s' AND (`item`.`parent-uri` = '%s' OR `item`.`thr-parent` = '%s') AND `item`.`uid` = %d $sql_extra LIMIT 1", dbesc($r[0]["parent-uri"]), dbesc($r[0]["parent-uri"]), dbesc($r[0]["parent-uri"]), intval($importer["importer_uid"]) ); if($r && count($r)) $is_a_remote_action = true; } // Does this have the characteristics of a community or private group action? // If it's an action to a wall post on a community/prvgroup page it's a // valid community action. Also forum_mode makes it valid for sure. // If neither, it's not. if($is_a_remote_action && $community) { if((!$r[0]["forum_mode"]) && (!$r[0]["wall"])) { $is_a_remote_action = false; logger("not a community action"); } } if ($is_a_remote_action) return DFRN_REPLY_RC; else return DFRN_REPLY; } else return DFRN_TOP_LEVEL; } /** * @brief Send a "poke" * * @param array $item the new item record * @param array $importer Record of the importer user mixed with contact of the content * @param int $posted_id The record number of item record that was just posted */ private function do_poke($item, $importer, $posted_id) { $verb = urldecode(substr($item["verb"],strpos($item["verb"], "#")+1)); if(!$verb) return; $xo = parse_xml_string($item["object"],false); if(($xo->type == ACTIVITY_OBJ_PERSON) && ($xo->id)) { // somebody was poked/prodded. Was it me? foreach($xo->link as $l) { $atts = $l->attributes(); switch($atts["rel"]) { case "alternate": $Blink = $atts["href"]; break; default: break; } } if($Blink && link_compare($Blink,App::get_baseurl()."/profile/".$importer["nickname"])) { // send a notification notification(array( "type" => NOTIFY_POKE, "notify_flags" => $importer["notify-flags"], "language" => $importer["language"], "to_name" => $importer["username"], "to_email" => $importer["email"], "uid" => $importer["importer_uid"], "item" => $item, "link" => App::get_baseurl()."/display/".urlencode(get_item_guid($posted_id)), "source_name" => stripslashes($item["author-name"]), "source_link" => $item["author-link"], "source_photo" => ((link_compare($item["author-link"],$importer["url"])) ? $importer["thumb"] : $item["author-avatar"]), "verb" => $item["verb"], "otype" => "person", "activity" => $verb, "parent" => $item["parent"] )); } } } /** * @brief Processes several actions, depending on the verb * * @param int $entrytype Is it a toplevel entry, a comment or a relayed comment? * @param array $importer Record of the importer user mixed with contact of the content * @param array $item the new item record * @param bool $is_like Is the verb a "like"? * * @return bool Should the processing of the entries be continued? */ private function process_verbs($entrytype, $importer, &$item, &$is_like) { if (($entrytype == DFRN_TOP_LEVEL)) { // The filling of the the "contact" variable is done for legcy reasons // The functions below are partly used by ostatus.php as well - where we have this variable $r = q("SELECT * FROM `contact` WHERE `id` = %d", intval($importer["id"])); $contact = $r[0]; $nickname = $contact["nick"]; // Big question: Do we need these functions? They were part of the "consume_feed" function. // This function once was responsible for DFRN and OStatus. if(activity_match($item["verb"],ACTIVITY_FOLLOW)) { logger("New follower"); new_follower($importer, $contact, $item, $nickname); return false; } if(activity_match($item["verb"],ACTIVITY_UNFOLLOW)) { logger("Lost follower"); lose_follower($importer, $contact, $item); return false; } if(activity_match($item["verb"],ACTIVITY_REQ_FRIEND)) { logger("New friend request"); new_follower($importer, $contact, $item, $nickname, true); return false; } if(activity_match($item["verb"],ACTIVITY_UNFRIEND)) { logger("Lost sharer"); lose_sharer($importer, $contact, $item); return false; } } else { if(($item["verb"] === ACTIVITY_LIKE) || ($item["verb"] === ACTIVITY_DISLIKE) || ($item["verb"] === ACTIVITY_ATTEND) || ($item["verb"] === ACTIVITY_ATTENDNO) || ($item["verb"] === ACTIVITY_ATTENDMAYBE)) { $is_like = true; $item["type"] = "activity"; $item["gravity"] = GRAVITY_LIKE; // only one like or dislike per person // splitted into two queries for performance issues $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `author-link` = '%s' AND `verb` = '%s' AND `parent-uri` = '%s' AND NOT `deleted` LIMIT 1", intval($item["uid"]), dbesc($item["author-link"]), dbesc($item["verb"]), dbesc($item["parent-uri"]) ); if($r && count($r)) return false; $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `author-link` = '%s' AND `verb` = '%s' AND `thr-parent` = '%s' AND NOT `deleted` LIMIT 1", intval($item["uid"]), dbesc($item["author-link"]), dbesc($item["verb"]), dbesc($item["parent-uri"]) ); if($r && count($r)) return false; } else $is_like = false; if(($item["verb"] === ACTIVITY_TAG) && ($item["object-type"] === ACTIVITY_OBJ_TAGTERM)) { $xo = parse_xml_string($item["object"],false); $xt = parse_xml_string($item["target"],false); if($xt->type == ACTIVITY_OBJ_NOTE) { $r = q("SELECT `id`, `tag` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", dbesc($xt->id), intval($importer["importer_uid"]) ); if(!count($r)) return false; // extract tag, if not duplicate, add to parent item if($xo->content) { if(!(stristr($r[0]["tag"],trim($xo->content)))) { q("UPDATE `item` SET `tag` = '%s' WHERE `id` = %d", dbesc($r[0]["tag"] . (strlen($r[0]["tag"]) ? ',' : '') . '#[url=' . $xo->id . ']'. $xo->content . '[/url]'), intval($r[0]["id"]) ); create_tags_from_item($r[0]["id"]); } } } } } return true; } /** * @brief Processes the link elements * * @param object $links link elements * @param array $item the item record */ private function parse_links($links, &$item) { $rel = ""; $href = ""; $type = ""; $length = "0"; $title = ""; foreach ($links AS $link) { foreach($link->attributes AS $attributes) { if ($attributes->name == "href") $href = $attributes->textContent; if ($attributes->name == "rel") $rel = $attributes->textContent; if ($attributes->name == "type") $type = $attributes->textContent; if ($attributes->name == "length") $length = $attributes->textContent; if ($attributes->name == "title") $title = $attributes->textContent; } if (($rel != "") AND ($href != "")) switch($rel) { case "alternate": $item["plink"] = $href; break; case "enclosure": $enclosure = $href; if(strlen($item["attach"])) $item["attach"] .= ","; $item["attach"] .= '[attach]href="'.$href.'" length="'.$length.'" type="'.$type.'" title="'.$title.'"[/attach]'; break; } } } /** * @brief Processes the entry elements which contain the items and comments * * @param array $header Array of the header elements that always stay the same * @param object $xpath XPath object * @param object $entry entry elements * @param array $importer Record of the importer user mixed with contact of the content */ private function process_entry($header, $xpath, $entry, $importer) { logger("Processing entries"); $item = $header; // Get the uri $item["uri"] = $xpath->query("atom:id/text()", $entry)->item(0)->nodeValue; // Fetch the owner $owner = self::fetchauthor($xpath, $entry, $importer, "dfrn:owner", true); $item["owner-name"] = $owner["name"]; $item["owner-link"] = $owner["link"]; $item["owner-avatar"] = $owner["avatar"]; // fetch the author $author = self::fetchauthor($xpath, $entry, $importer, "atom:author", true); $item["author-name"] = $author["name"]; $item["author-link"] = $author["link"]; $item["author-avatar"] = $author["avatar"]; $item["title"] = $xpath->query("atom:title/text()", $entry)->item(0)->nodeValue; $item["created"] = $xpath->query("atom:published/text()", $entry)->item(0)->nodeValue; $item["edited"] = $xpath->query("atom:updated/text()", $entry)->item(0)->nodeValue; $item["body"] = $xpath->query("dfrn:env/text()", $entry)->item(0)->nodeValue; $item["body"] = str_replace(array(' ',"\t","\r","\n"), array('','','',''),$item["body"]); // make sure nobody is trying to sneak some html tags by us $item["body"] = notags(base64url_decode($item["body"])); $item["body"] = limit_body_size($item["body"]); /// @todo Do we really need this check for HTML elements? (It was copied from the old function) if((strpos($item['body'],'<') !== false) && (strpos($item['body'],'>') !== false)) { $item['body'] = reltoabs($item['body'],$base_url); $item['body'] = html2bb_video($item['body']); $item['body'] = oembed_html2bbcode($item['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. $purifier = new HTMLPurifier($config); $item['body'] = $purifier->purify($item['body']); $item['body'] = @html2bbcode($item['body']); } // We don't need the content element since "dfrn:env" is always present //$item["body"] = $xpath->query("atom:content/text()", $entry)->item(0)->nodeValue; $item["last-child"] = $xpath->query("dfrn:comment-allow/text()", $entry)->item(0)->nodeValue; $item["location"] = $xpath->query("dfrn:location/text()", $entry)->item(0)->nodeValue; $georsspoint = $xpath->query("georss:point", $entry); if ($georsspoint) $item["coord"] = $georsspoint->item(0)->nodeValue; $item["private"] = $xpath->query("dfrn:private/text()", $entry)->item(0)->nodeValue; $item["extid"] = $xpath->query("dfrn:extid/text()", $entry)->item(0)->nodeValue; if ($xpath->query("dfrn:extid/text()", $entry)->item(0)->nodeValue == "true") $item["bookmark"] = true; $notice_info = $xpath->query("statusnet:notice_info", $entry); if ($notice_info AND ($notice_info->length > 0)) { foreach($notice_info->item(0)->attributes AS $attributes) { if ($attributes->name == "source") $item["app"] = strip_tags($attributes->textContent); } } $item["guid"] = $xpath->query("dfrn:diaspora_guid/text()", $entry)->item(0)->nodeValue; // We store the data from "dfrn:diaspora_signature" in a different table, this is done in "item_store" $dsprsig = unxmlify($xpath->query("dfrn:diaspora_signature/text()", $entry)->item(0)->nodeValue); if ($dsprsig != "") $item["dsprsig"] = $dsprsig; $item["verb"] = $xpath->query("activity:verb/text()", $entry)->item(0)->nodeValue; if ($xpath->query("activity:object-type/text()", $entry)->item(0)->nodeValue != "") $item["object-type"] = $xpath->query("activity:object-type/text()", $entry)->item(0)->nodeValue; $object = $xpath->query("activity:object", $entry)->item(0); $item["object"] = self::transform_activity($xpath, $object, "object"); if (trim($item["object"]) != "") { $r = parse_xml_string($item["object"], false); if (isset($r->type)) $item["object-type"] = $r->type; } $target = $xpath->query("activity:target", $entry)->item(0); $item["target"] = self::transform_activity($xpath, $target, "target"); $categories = $xpath->query("atom:category", $entry); if ($categories) { foreach ($categories AS $category) { foreach($category->attributes AS $attributes) if ($attributes->name == "term") { $term = $attributes->textContent; if(strlen($item["tag"])) $item["tag"] .= ","; $item["tag"] .= "#[url=".App::get_baseurl()."/search?tag=".$term."]".$term."[/url]"; } } } $enclosure = ""; $links = $xpath->query("atom:link", $entry); if ($links) self::parse_links($links, $item); // Is it a reply or a top level posting? $item["parent-uri"] = $item["uri"]; $inreplyto = $xpath->query("thr:in-reply-to", $entry); if (is_object($inreplyto->item(0))) foreach($inreplyto->item(0)->attributes AS $attributes) if ($attributes->name == "ref") $item["parent-uri"] = $attributes->textContent; // Get the type of the item (Top level post, reply or remote reply) $entrytype = self::get_entry_type($importer, $item); // Now assign the rest of the values that depend on the type of the message if (in_array($entrytype, array(DFRN_REPLY, DFRN_REPLY_RC))) { if (!isset($item["object-type"])) $item["object-type"] = ACTIVITY_OBJ_COMMENT; if ($item["contact-id"] != $owner["contact-id"]) $item["contact-id"] = $owner["contact-id"]; if (($item["network"] != $owner["network"]) AND ($owner["network"] != "")) $item["network"] = $owner["network"]; if ($item["contact-id"] != $author["contact-id"]) $item["contact-id"] = $author["contact-id"]; if (($item["network"] != $author["network"]) AND ($author["network"] != "")) $item["network"] = $author["network"]; // This code was taken from the old DFRN code // When activated, forums don't work. // And: Why should we disallow commenting by followers? // the behaviour is now similar to the Diaspora part. //if($importer["rel"] == CONTACT_IS_FOLLOWER) { // logger("Contact ".$importer["id"]." is only follower. Quitting", LOGGER_DEBUG); // return; //} } if ($entrytype == DFRN_REPLY_RC) { $item["type"] = "remote-comment"; $item["wall"] = 1; } elseif ($entrytype == DFRN_TOP_LEVEL) { if (!isset($item["object-type"])) $item["object-type"] = ACTIVITY_OBJ_NOTE; // Is it an event? if ($item["object-type"] == ACTIVITY_OBJ_EVENT) { logger("Item ".$item["uri"]." seems to contain an event.", LOGGER_DEBUG); $ev = bbtoevent($item["body"]); if((x($ev, "desc") || x($ev, "summary")) && x($ev, "start")) { logger("Event in item ".$item["uri"]." was found.", LOGGER_DEBUG); $ev["cid"] = $importer["id"]; $ev["uid"] = $importer["uid"]; $ev["uri"] = $item["uri"]; $ev["edited"] = $item["edited"]; $ev['private'] = $item['private']; $ev["guid"] = $item["guid"]; $r = q("SELECT `id` FROM `event` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", dbesc($item["uri"]), intval($importer["uid"]) ); if(count($r)) $ev["id"] = $r[0]["id"]; $event_id = event_store($ev); logger("Event ".$event_id." was stored", LOGGER_DEBUG); return; } } } $r = q("SELECT `id`, `uid`, `last-child`, `edited`, `body` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", dbesc($item["uri"]), intval($importer["importer_uid"]) ); if (!self::process_verbs($entrytype, $importer, $item, $is_like)) { logger("Exiting because 'process_verbs' told us so", LOGGER_DEBUG); return; } // Update content if 'updated' changes if(count($r)) { if (self::update_content($r[0], $item, $importer, $entrytype)) logger("Item ".$item["uri"]." was updated.", LOGGER_DEBUG); else logger("Item ".$item["uri"]." already existed.", LOGGER_DEBUG); return; } if (in_array($entrytype, array(DFRN_REPLY, DFRN_REPLY_RC))) { $posted_id = item_store($item); $parent = 0; if($posted_id) { logger("Reply from contact ".$item["contact-id"]." was stored with id ".$posted_id, LOGGER_DEBUG); $item["id"] = $posted_id; $r = q("SELECT `parent`, `parent-uri` FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1", intval($posted_id), intval($importer["importer_uid"]) ); if(count($r)) { $parent = $r[0]["parent"]; $parent_uri = $r[0]["parent-uri"]; } if(!$is_like) { $r1 = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `uid` = %d AND `parent` = %d", dbesc(datetime_convert()), intval($importer["importer_uid"]), intval($r[0]["parent"]) ); $r2 = q("UPDATE `item` SET `last-child` = 1, `changed` = '%s' WHERE `uid` = %d AND `id` = %d", dbesc(datetime_convert()), intval($importer["importer_uid"]), intval($posted_id) ); } if($posted_id AND $parent AND ($entrytype == DFRN_REPLY_RC)) { logger("Notifying followers about comment ".$posted_id, LOGGER_DEBUG); proc_run("php", "include/notifier.php", "comment-import", $posted_id); } return true; } } else { // $entrytype == DFRN_TOP_LEVEL if(!link_compare($item["owner-link"],$importer["url"])) { // The item owner info is not our contact. It's OK and is to be expected if this is a tgroup delivery, // but otherwise there's a possible data mixup on the sender's system. // the tgroup delivery code called from item_store will correct it if it's a forum, // but we're going to unconditionally correct it here so that the post will always be owned by our contact. logger('Correcting item owner.', LOGGER_DEBUG); $item["owner-name"] = $importer["senderName"]; $item["owner-link"] = $importer["url"]; $item["owner-avatar"] = $importer["thumb"]; } if(($importer["rel"] == CONTACT_IS_FOLLOWER) && (!tgroup_check($importer["importer_uid"], $item))) { logger("Contact ".$importer["id"]." is only follower and tgroup check was negative.", LOGGER_DEBUG); return; } // This is my contact on another system, but it's really me. // Turn this into a wall post. $notify = item_is_remote_self($importer, $item); $posted_id = item_store($item, false, $notify); logger("Item was stored with id ".$posted_id, LOGGER_DEBUG); if(stristr($item["verb"],ACTIVITY_POKE)) self::do_poke($item, $importer, $posted_id); } } /** * @brief Deletes items * * @param object $xpath XPath object * @param object $deletion deletion elements * @param array $importer Record of the importer user mixed with contact of the content */ private function process_deletion($xpath, $deletion, $importer) { logger("Processing deletions"); foreach($deletion->attributes AS $attributes) { if ($attributes->name == "ref") $uri = $attributes->textContent; if ($attributes->name == "when") $when = $attributes->textContent; } if ($when) $when = datetime_convert("UTC", "UTC", $when, "Y-m-d H:i:s"); else $when = datetime_convert("UTC", "UTC", "now", "Y-m-d H:i:s"); if (!$uri OR !$importer["id"]) return false; /// @todo Only select the used fields $r = q("SELECT `item`.*, `contact`.`self` FROM `item` INNER JOIN `contact` on `item`.`contact-id` = `contact`.`id` WHERE `uri` = '%s' AND `item`.`uid` = %d AND `contact-id` = %d AND NOT `item`.`file` LIKE '%%[%%' LIMIT 1", dbesc($uri), intval($importer["uid"]), intval($importer["id"]) ); if(!count($r)) { logger("Item with uri ".$uri." from contact ".$importer["id"]." for user ".$importer["uid"]." wasn't found.", LOGGER_DEBUG); return; } else { $item = $r[0]; $entrytype = self::get_entry_type($importer, $item); if(!$item["deleted"]) logger('deleting item '.$item["id"].' uri='.$uri, LOGGER_DEBUG); else return; if($item["object-type"] === ACTIVITY_OBJ_EVENT) { logger("Deleting event ".$item["event-id"], LOGGER_DEBUG); event_delete($item["event-id"]); } if(($item["verb"] === ACTIVITY_TAG) && ($item["object-type"] === ACTIVITY_OBJ_TAGTERM)) { $xo = parse_xml_string($item["object"],false); $xt = parse_xml_string($item["target"],false); if($xt->type === ACTIVITY_OBJ_NOTE) { $i = q("SELECT `id`, `contact-id`, `tag` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", dbesc($xt->id), intval($importer["importer_uid"]) ); if(count($i)) { // For tags, the owner cannot remove the tag on the author's copy of the post. $owner_remove = (($item["contact-id"] == $i[0]["contact-id"]) ? true: false); $author_remove = (($item["origin"] && $item["self"]) ? true : false); $author_copy = (($item["origin"]) ? true : false); if($owner_remove && $author_copy) return; if($author_remove || $owner_remove) { $tags = explode(',',$i[0]["tag"]); $newtags = array(); if(count($tags)) { foreach($tags as $tag) if(trim($tag) !== trim($xo->body)) $newtags[] = trim($tag); } q("UPDATE `item` SET `tag` = '%s' WHERE `id` = %d", dbesc(implode(',',$newtags)), intval($i[0]["id"]) ); create_tags_from_item($i[0]["id"]); } } } } if($entrytype == DFRN_TOP_LEVEL) { $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s', `body` = '', `title` = '' WHERE `parent-uri` = '%s' AND `uid` = %d", dbesc($when), dbesc(datetime_convert()), dbesc($uri), intval($importer["uid"]) ); create_tags_from_itemuri($uri, $importer["uid"]); create_files_from_itemuri($uri, $importer["uid"]); update_thread_uri($uri, $importer["uid"]); } else { $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s', `body` = '', `title` = '' WHERE `uri` = '%s' AND `uid` = %d", dbesc($when), dbesc(datetime_convert()), dbesc($uri), intval($importer["uid"]) ); create_tags_from_itemuri($uri, $importer["uid"]); create_files_from_itemuri($uri, $importer["uid"]); update_thread_uri($uri, $importer["importer_uid"]); if($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? $r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `moderated` = 0 AND `uid` = %d ORDER BY `created` DESC LIMIT 1", dbesc($item["parent-uri"]), intval($importer["uid"]) ); if(count($r)) { q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d", intval($r[0]["id"]) ); } } // if this is a relayed delete, propagate it to other recipients if($entrytype == DFRN_REPLY_RC) { logger("Notifying followers about deletion of post ".$item["id"], LOGGER_DEBUG); proc_run("php", "include/notifier.php","drop", $item["id"]); } } } } /** * @brief Imports a DFRN message * * @param text $xml The DFRN message * @param array $importer Record of the importer user mixed with contact of the content * @param bool $sort_by_date Is used when feeds are polled */ public static function import($xml,$importer, $sort_by_date = false) { if ($xml == "") return; if($importer["readonly"]) { // We aren't receiving stuff from this person. But we will quietly ignore them // rather than a blatant "go away" message. logger('ignoring contact '.$importer["id"]); return; } $doc = new DOMDocument(); @$doc->loadXML($xml); $xpath = new DomXPath($doc); $xpath->registerNamespace("atom", NAMESPACE_ATOM1); $xpath->registerNamespace("thr", NAMESPACE_THREAD); $xpath->registerNamespace("at", NAMESPACE_TOMB); $xpath->registerNamespace("media", NAMESPACE_MEDIA); $xpath->registerNamespace("dfrn", NAMESPACE_DFRN); $xpath->registerNamespace("activity", NAMESPACE_ACTIVITY); $xpath->registerNamespace("georss", NAMESPACE_GEORSS); $xpath->registerNamespace("poco", NAMESPACE_POCO); $xpath->registerNamespace("ostatus", NAMESPACE_OSTATUS); $xpath->registerNamespace("statusnet", NAMESPACE_STATUSNET); $header = array(); $header["uid"] = $importer["uid"]; $header["network"] = NETWORK_DFRN; $header["type"] = "remote"; $header["wall"] = 0; $header["origin"] = 0; $header["contact-id"] = $importer["id"]; // Update the contact table if the data has changed // The "atom:author" is only present in feeds if ($xpath->query("/atom:feed/atom:author")->length > 0) self::fetchauthor($xpath, $doc->firstChild, $importer, "atom:author", false, $xml); // Only the "dfrn:owner" in the head section contains all data if ($xpath->query("/atom:feed/dfrn:owner")->length > 0) self::fetchauthor($xpath, $doc->firstChild, $importer, "dfrn:owner", false, $xml); logger("Import DFRN message for user ".$importer["uid"]." from contact ".$importer["id"], LOGGER_DEBUG); // is it a public forum? Private forums aren't supported by now with this method $forum = intval($xpath->evaluate("/atom:feed/dfrn:community/text()", $context)->item(0)->nodeValue); if ($forum != $importer["forum"]) q("UPDATE `contact` SET `forum` = %d WHERE `forum` != %d AND `id` = %d", intval($forum), intval($forum), intval($importer["id"]) ); $mails = $xpath->query("/atom:feed/dfrn:mail"); foreach ($mails AS $mail) self::process_mail($xpath, $mail, $importer); $suggestions = $xpath->query("/atom:feed/dfrn:suggest"); foreach ($suggestions AS $suggestion) self::process_suggestion($xpath, $suggestion, $importer); $relocations = $xpath->query("/atom:feed/dfrn:relocate"); foreach ($relocations AS $relocation) self::process_relocation($xpath, $relocation, $importer); $deletions = $xpath->query("/atom:feed/at:deleted-entry"); foreach ($deletions AS $deletion) self::process_deletion($xpath, $deletion, $importer); if (!$sort_by_date) { $entries = $xpath->query("/atom:feed/atom:entry"); foreach ($entries AS $entry) self::process_entry($header, $xpath, $entry, $importer); } else { $newentries = array(); $entries = $xpath->query("/atom:feed/atom:entry"); foreach ($entries AS $entry) { $created = $xpath->query("atom:published/text()", $entry)->item(0)->nodeValue; $newentries[strtotime($created)] = $entry; } // Now sort after the publishing date ksort($newentries); foreach ($newentries AS $entry) self::process_entry($header, $xpath, $entry, $importer); } logger("Import done for user ".$importer["uid"]." from contact ".$importer["id"], LOGGER_DEBUG); } } ?>