X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=include%2Fdfrn.php;h=8b230f03d9d085b852ac73898f9d4ea911957628;hb=9521f39ebea7603098e4f96f5edb6c85a40fc646;hp=ac67bf09743a5f0a78acff2fd86994a739aa8984;hpb=c0eb7b10a3644ad207ca88dade2e9f53dd8f8aca;p=friendica.git diff --git a/include/dfrn.php b/include/dfrn.php index ac67bf0974..8b230f03d9 100644 --- a/include/dfrn.php +++ b/include/dfrn.php @@ -3,12 +3,24 @@ * @file include/dfrn.php * @brief The implementation of the dfrn protocol * - * https://github.com/friendica/friendica/wiki/Protocol + * @see https://github.com/friendica/friendica/wiki/Protocol and + * https://github.com/friendica/friendica/blob/master/spec/dfrn2.pdf */ -require_once('include/items.php'); -require_once('include/Contact.php'); -require_once('include/ostatus.php'); +require_once("include/Contact.php"); +require_once("include/ostatus.php"); +require_once("include/enotify.php"); +require_once("include/threads.php"); +require_once("include/socgraph.php"); +require_once("include/items.php"); +require_once("include/tags.php"); +require_once("include/files.php"); +require_once("include/event.php"); +require_once("include/text.php"); +require_once("include/oembed.php"); +require_once("include/html2bbcode.php"); +require_once("include/bbcode.php"); +require_once("include/xml.php"); /** * @brief This class contain functions to create and send DFRN XML files @@ -16,6 +28,10 @@ require_once('include/ostatus.php'); */ class dfrn { + const DFRN_TOP_LEVEL = 0; // Top level posting + const DFRN_REPLY = 1; // Regular reply that is stored locally + const DFRN_REPLY_RC = 2; // Reply that will be relayed + /** * @brief Generates the atom entries for delivery.php * @@ -25,18 +41,20 @@ class dfrn { * @param array $owner Owner record * * @return string DFRN entries + * @todo Add type-hints */ - function entries($items,$owner) { + public static function entries($items,$owner) { $doc = new DOMDocument('1.0', 'utf-8'); $doc->formatOutput = true; $root = self::add_header($doc, $owner, "dfrn:owner", "", false); - if(! count($items)) + if (! count($items)) { return trim($doc->saveXML()); + } - foreach($items as $item) { + foreach ($items as $item) { $entry = self::entry($doc, "text", $item, $owner, $item["entry:comment-allow"], $item["entry:cid"]); $root->appendChild($entry); } @@ -53,10 +71,11 @@ class dfrn { * @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. + * @param boolean $onlyheader Output only the header without content? (Default is "no") * * @return string DFRN feed entries */ - function feed($dfrn_id, $owner_nick, $last_update, $direction = 0) { + public static function feed($dfrn_id, $owner_nick, $last_update, $direction = 0, $onlyheader = false) { $a = get_app(); @@ -65,14 +84,17 @@ class dfrn { $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[$x] == 'converse') + if ($public_feed && $a->argc > 2) { + for ($x = 2; $x < $a->argc; $x++) { + if ($a->argv[$x] == 'converse') { $converse = true; - if($a->argv[$x] == 'starred') + } + if ($a->argv[$x] == 'starred') { $starred = true; - if($a->argv[$x] === 'category' && $a->argc > ($x + 1) && strlen($a->argv[$x+1])) + } + if ($a->argv[$x] == 'category' && $a->argc > ($x + 1) && strlen($a->argv[$x+1])) { $category = $a->argv[$x+1]; + } } } @@ -82,23 +104,23 @@ class dfrn { $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` + $r = q("SELECT `contact`.*, `user`.`nickname`, `user`.`timezone`, `user`.`page-flags`, `user`.`account-type` FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid` - WHERE `contact`.`self` = 1 AND `user`.`nickname` = '%s' LIMIT 1", + WHERE `contact`.`self` AND `user`.`nickname` = '%s' LIMIT 1", dbesc($owner_nick) ); - if(! count($r)) + if (! dbm::is_result($r)) { killme(); + } $owner = $r[0]; - $owner_id = $owner['user_uid']; + $owner_id = $owner['uid']; $owner_nick = $owner['nickname']; $sql_post_table = ""; - $visibility = ""; - if(! $public_feed) { + if (! $public_feed) { $sql_extra = ''; switch($direction) { @@ -119,23 +141,25 @@ class dfrn { break; // NOTREACHED } - $r = q("SELECT * FROM `contact` WHERE `blocked` = 0 AND `pending` = 0 AND `contact`.`uid` = %d $sql_extra LIMIT 1", + $r = q("SELECT * FROM `contact` WHERE NOT `blocked` AND `contact`.`uid` = %d $sql_extra LIMIT 1", intval($owner_id) ); - if(! count($r)) + if (! dbm::is_result($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); $x ++) + if (count($groups)) { + for ($x = 0; $x < count($groups); $x ++) $groups[$x] = '<' . intval($groups[$x]) . '>' ; $gs = implode('|', $groups); - } else + } else { $gs = '<<>>' ; // Impossible to match + } $sql_extra = sprintf(" AND ( `allow_cid` = '' OR `allow_cid` REGEXP '<%d>' ) @@ -150,52 +174,53 @@ class dfrn { ); } - if($public_feed) + if ($public_feed) { $sort = 'DESC'; - else + } else { $sort = 'ASC'; + } - $date_field = "`changed`"; - $sql_order = "`item`.`parent` ".$sort.", `item`.`created` ASC"; - - if(! strlen($last_update)) + if (! strlen($last_update)) { $last_update = 'now -30 days'; + } - if(isset($category)) { + 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(! $converse) + if ($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`, + $r = q("SELECT `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 + FROM `item` USE INDEX (`uid_wall_changed`) $sql_post_table + STRAIGHT_JOIN `contact` ON `contact`.`id` = `item`.`contact-id` + AND (NOT `contact`.`blocked` OR `contact`.`pending`) 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' + WHERE `item`.`uid` = %d AND `item`.`visible` AND NOT `item`.`moderated` AND `item`.`parent` != 0 + AND `item`.`wall` AND `item`.`changed` > '%s' $sql_extra - ORDER BY $sql_order LIMIT 0, 300", + ORDER BY `item`.`parent` ".$sort.", `item`.`created` ASC LIMIT 0, 300", intval($owner_id), dbesc($check_date), dbesc($sort) ); + if (!dbm::is_result($r)) { + /// @TODO Some logging? + killme(); + } + // Will check further below if this actually returned results. // We will provide an empty feed if that is the case. @@ -206,20 +231,22 @@ class dfrn { $alternatelink = $owner['url']; - if(isset($category)) + if (isset($category)) { $alternatelink .= "/category/".$category; + } - if ($public_feed) + if ($public_feed) { $author = "dfrn:owner"; - else + } 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)) { + if (!count($items) OR $onlyheader) { $atom = trim($doc->saveXML()); call_hooks('atom_feed_end', $atom); @@ -227,21 +254,24 @@ class dfrn { return $atom; } - foreach($items as $item) { + foreach ($items as $item) { // prevent private email from leaking. - if($item['network'] === NETWORK_MAIL) + if ($item['network'] == NETWORK_MAIL) { continue; + } // public feeds get html, our own nodes use bbcode - if($public_feed) { + if ($public_feed) { $type = 'html'; // catch any email that's in a public conversation and make sure it doesn't leak - if($item['private']) + if ($item['private']) { continue; - } else + } + } else { $type = 'text'; + } $entry = self::entry($doc, $type, $item, $owner, true); $root->appendChild($entry); @@ -262,8 +292,9 @@ class dfrn { * @param array $owner Owner record * * @return string DFRN mail + * @todo Add type-hints */ - function mail($item, $owner) { + public static function mail($item, $owner) { $doc = new DOMDocument('1.0', 'utf-8'); $doc->formatOutput = true; @@ -272,17 +303,17 @@ class dfrn { $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", $owner['thumb']); + xml::add_element($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", $item['body']); + xml::add_element($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); @@ -296,8 +327,9 @@ class dfrn { * @param array $owner Owner record * * @return string DFRN suggestions + * @todo Add type-hints */ - function fsuggest($item, $owner) { + public static function fsuggest($item, $owner) { $doc = new DOMDocument('1.0', 'utf-8'); $doc->formatOutput = true; @@ -305,11 +337,11 @@ class dfrn { $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", $item['note']); + xml::add_element($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); @@ -323,12 +355,13 @@ class dfrn { * @param int $uid User ID * * @return string DFRN relocations + * @todo Add type-hints */ - function relocate($owner, $uid) { + public static function relocate($owner, $uid) { /* get site pubkey. this could be a new installation with no site keys*/ $pubkey = get_config('system','site_pubkey'); - if(! $pubkey) { + if (! $pubkey) { $res = new_keypair(1024); set_config('system','site_prvkey', $res['prvkey']); set_config('system','site_pubkey', $res['pubkey']); @@ -339,8 +372,9 @@ class dfrn { $photos = array(); $ext = Photo::supportedTypes(); - foreach($rp as $p) + foreach ($rp as $p) { $photos[$p['scale']] = app::get_baseurl().'/photo/'.$p['resource-id'].'-'.$p['scale'].'.'.$ext[$p['type']]; + } unset($rp, $ext); @@ -351,16 +385,18 @@ class dfrn { $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, $relocate, "dfrn:sitepubkey", get_config('system','site_pubkey')); + xml::add_element($doc, $relocate, "dfrn:url", $owner['url']); + xml::add_element($doc, $relocate, "dfrn:name", $owner['name']); + xml::add_element($doc, $relocate, "dfrn:addr", $owner['addr']); + xml::add_element($doc, $relocate, "dfrn:avatar", $owner['avatar']); + xml::add_element($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); @@ -377,55 +413,65 @@ class dfrn { * @param bool $public Is it a header for public posts? * * @return object XML root object + * @todo Add type-hints */ - private function add_header($doc, $owner, $authorelement, $alternatelink = "", $public = false) { + private static function add_header($doc, $owner, $authorelement, $alternatelink = "", $public = false) { - if ($alternatelink == "") + if ($alternatelink == "") { $alternatelink = $owner['url']; + } - $root = $doc->createElementNS(NS_ATOM, 'feed'); + $root = $doc->createElementNS(NAMESPACE_ATOM1, 'feed'); $doc->appendChild($root); - $root->setAttribute("xmlns:thr", NS_THR); - $root->setAttribute("xmlns:at", "http://purl.org/atompub/tombstones/1.0"); - $root->setAttribute("xmlns:media", NS_MEDIA); - $root->setAttribute("xmlns:dfrn", "http://purl.org/macgirvin/dfrn/1.0"); - $root->setAttribute("xmlns:activity", NS_ACTIVITY); - $root->setAttribute("xmlns:georss", NS_GEORSS); - $root->setAttribute("xmlns:poco", NS_POCO); - $root->setAttribute("xmlns:ostatus", NS_OSTATUS); - $root->setAttribute("xmlns:statusnet", NS_STATUSNET); + $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, $root, "id", app::get_baseurl()."/profile/".$owner["nick"]); - xml_add_element($doc, $root, "title", $owner["name"]); + xml::add_element($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, $attributes); + xml::add_element($doc, $root, "generator", FRIENDICA_PLATFORM, $attributes); $attributes = array("rel" => "license", "href" => "http://creativecommons.org/licenses/by/3.0/"); - xml_add_element($doc, $root, "link", "", $attributes); + xml::add_element($doc, $root, "link", "", $attributes); $attributes = array("rel" => "alternate", "type" => "text/html", "href" => $alternatelink); - xml_add_element($doc, $root, "link", "", $attributes); + xml::add_element($doc, $root, "link", "", $attributes); - ostatus_hublinks($doc, $root); if ($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", "", $attributes); + xml::add_element($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", "", $attributes); + xml::add_element($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", "", $attributes); + xml::add_element($doc, $root, "link", "", $attributes); } - if ($owner['page-flags'] == PAGE_COMMUNITY) - xml_add_element($doc, $root, "dfrn:community", 1); + // For backward compatibility we keep this element + if ($owner['page-flags'] == PAGE_COMMUNITY) { + xml::add_element($doc, $root, "dfrn:community", 1); + } + + // The former element is replaced by this one + xml::add_element($doc, $root, "dfrn:account_type", $owner["account-type"]); - xml_add_element($doc, $root, "updated", datetime_convert("UTC", "UTC", "now", ATOM_TIME)); + /// @todo We need a way to transmit the different page flags like "PAGE_PRVGROUP" + + xml::add_element($doc, $root, "updated", datetime_convert("UTC", "UTC", "now", ATOM_TIME)); $author = self::add_author($doc, $owner, $authorelement, $public); $root->appendChild($author); @@ -441,103 +487,128 @@ class dfrn { * @param string $authorelement Element name for the author * * @return object XML author object + * @todo Add type-hints */ - private function add_author($doc, $owner, $authorelement, $public) { + private static function add_author($doc, $owner, $authorelement, $public) { + + // Is the profile hidden or shouldn't be published in the net? Then add the "hide" element + $r = q("SELECT `id` FROM `profile` INNER JOIN `user` ON `user`.`uid` = `profile`.`uid` + WHERE (`hidewall` OR NOT `net-publish`) AND `user`.`uid` = %d", + intval($owner['uid'])); + if (dbm::is_result($r)) { + $hidewall = true; + } else { + $hidewall = false; + } $author = $doc->createElement($authorelement); - $namdate = datetime_convert('UTC', 'UTC', $owner['name-date'].'+00:00' , ATOM_TIME); + $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(); - $attributes = array("dfrn:updated" => $namdate); - xml_add_element($doc, $author, "uri", app::get_baseurl().'/profile/'.$owner["nickname"], $attributes); + if (!$public OR !$hidewall) { + $attributes = array("dfrn:updated" => $namdate); + } - $attributes = array("dfrn:updated" => $namdate); - xml_add_element($doc, $author, "dfrn:handle", $owner["addr"], $attributes); + xml::add_element($doc, $author, "name", $owner["name"], $attributes); + xml::add_element($doc, $author, "uri", app::get_baseurl().'/profile/'.$owner["nickname"], $attributes); + xml::add_element($doc, $author, "dfrn:handle", $owner["addr"], $attributes); - $attributes = array("rel" => "photo", "type" => "image/jpeg", "dfrn:updated" => $picdate, + $attributes = array("rel" => "photo", "type" => "image/jpeg", "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", "", $attributes); + if (!$public OR !$hidewall) { + $attributes["dfrn:updated"] = $picdate; + } - $birthday = feed_birthday($owner['user_uid'], $owner['timezone']); + xml::add_element($doc, $author, "link", "", $attributes); - if ($birthday) - xml_add_element($doc, $author, "dfrn:birthday", $birthday); + $attributes["rel"] = "avatar"; + xml::add_element($doc, $author, "link", "", $attributes); + + if ($hidewall) { + xml::add_element($doc, $author, "dfrn:hide", "true"); + } - // The following fields will only be generated if this isn't for a public feed - if ($public) + // The following fields will only be generated if the data isn't meant for a public feed + if ($public) { return $author; + } + + $birthday = feed_birthday($owner['uid'], $owner['timezone']); + + if ($birthday) + xml::add_element($doc, $author, "dfrn:birthday", $birthday); // 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` + $r = q("SELECT `profile`.`about`, `profile`.`name`, `profile`.`homepage`, `user`.`nickname`, + `user`.`timezone`, `profile`.`locality`, `profile`.`region`, `profile`.`country-name`, + `profile`.`pub_keywords`, `profile`.`xmpp`, `profile`.`dob` FROM `profile` INNER JOIN `user` ON `user`.`uid` = `profile`.`uid` WHERE `profile`.`is-default` AND NOT `user`.`hidewall` AND `user`.`uid` = %d", - intval($owner['user_uid'])); - if ($r) { + intval($owner['uid'])); + if (dbm::is_result($r)) { $profile = $r[0]; - xml_add_element($doc, $author, "poco:displayName", $profile["name"]); - xml_add_element($doc, $author, "poco:updated", $namdate); + + xml::add_element($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, $author, "poco:birthday", "0000-".date("m-d", strtotime($profile["dob"]))); - xml_add_element($doc, $author, "poco:note", $profile["about"]); - xml_add_element($doc, $author, "poco:preferredUsername", $profile["nickname"]); + xml::add_element($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, $author, "poco:utcOffset", date("P")); + xml::add_element($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, $urls, "poco:primary", "true"); + xml::add_element($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)); + 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) != "") { + if (trim($profile["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, $ims, "poco:primary", "true"); + xml::add_element($doc, $ims, "poco:type", "xmpp"); + xml::add_element($doc, $ims, "poco:value", $profile["xmpp"]); + xml::add_element($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)); + 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["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["region"]) != "") { + xml::add_element($doc, $element, "poco:region", $profile["region"]); + } - if (trim($profile["country-name"]) != "") - xml_add_element($doc, $element, "poco:country", $profile["country-name"]); + if (trim($profile["country-name"]) != "") { + xml::add_element($doc, $element, "poco:country", $profile["country-name"]); + } $author->appendChild($element); } @@ -555,15 +626,16 @@ class dfrn { * @param array $items Item elements * * @return object XML author object + * @todo Add type-hints */ - private function add_entry_author($doc, $element, $contact_url, $item) { + private static function add_entry_author($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", $contact["addr"]); + xml::add_element($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 @@ -574,7 +646,7 @@ class dfrn { "media:width" => 80, "media:height" => 80, "href" => $contact["photo"]); - xml_add_element($doc, $author, "link", "", $attributes); + xml::add_element($doc, $author, "link", "", $attributes); $attributes = array( "rel" => "avatar", @@ -582,7 +654,7 @@ class dfrn { "media:width" => 80, "media:height" => 80, "href" => $contact["photo"]); - xml_add_element($doc, $author, "link", "", $attributes); + xml::add_element($doc, $author, "link", "", $attributes); return $author; } @@ -595,38 +667,54 @@ class dfrn { * @param string $activity activity value * * @return object XML activity object + * @todo Add type-hints */ - private function create_activity($doc, $element, $activity) { + private static function create_activity($doc, $element, $activity) { - if($activity) { + if ($activity) { $entry = $doc->createElement($element); $r = parse_xml_string($activity, false); - if(!$r) + if (!$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($r->link,'&'))) + } + if ($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); - $data = parse_xml_string($r->link, false); - foreach ($data->attributes() AS $parameter => $value) - $attributes[$parameter] = $value; - } else + // 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", "", $attributes); + xml::add_element($doc, $entry, "link", "", $attributes); + } + } + if ($r->content) { + xml::add_element($doc, $entry, "content", bbcode($r->content), array("type" => "html")); } - if($r->content) - xml_add_element($doc, $entry, "content", bbcode($r->content), array("type" => "html")); return $entry; } @@ -642,25 +730,28 @@ class dfrn { * @param array $item Item element * * @return object XML attachment object + * @todo Add type-hints */ - private function get_attachment($doc, $root, $item) { + private static function get_attachment($doc, $root, $item) { $arr = explode('[/attach],',$item['attach']); - if(count($arr)) { - foreach($arr as $r) { + if (count($arr)) { + foreach ($arr as $r) { $matches = false; $cnt = preg_match('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"|',$r,$matches); - if($cnt) { + if ($cnt) { $attributes = array("rel" => "enclosure", "href" => $matches[1], "type" => $matches[3]); - if(intval($matches[2])) + if (intval($matches[2])) { $attributes["length"] = intval($matches[2]); + } - if(trim($matches[4]) != "") + if (trim($matches[4]) != "") { $attributes["title"] = trim($matches[4]); + } - xml_add_element($doc, $root, "link", "", $attributes); + xml::add_element($doc, $root, "link", "", $attributes); } } } @@ -677,31 +768,38 @@ class dfrn { * @param int $cid Contact ID of the recipient * * @return object XML entry object + * @todo Add type-hints */ - private function entry($doc, $type, $item, $owner, $comment = false, $cid = 0) { + private static function entry($doc, $type, $item, $owner, $comment = false, $cid = 0) { $mentioned = array(); - if(!$item['parent']) + if (!$item['parent']) { return; + } - if($item['deleted']) { + 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", "", $attributes); + return xml::create_element($doc, "at:deleted-entry", "", $attributes); } $entry = $doc->createElement("entry"); - if($item['allow_cid'] || $item['allow_gid'] || $item['deny_cid'] || $item['deny_gid']) + if ($item['allow_cid'] || $item['allow_gid'] || $item['deny_cid'] || $item['deny_gid']) { $body = fix_private_photos($item['body'],$owner['uid'],$item,$cid); - else + } else { $body = $item['body']; + } + + // Remove the abstract element. It is only locally important. + $body = remove_abstract($body); if ($type == 'html') { $htmlbody = $body; - if ($item['title'] != "") + if ($item['title'] != "") { $htmlbody = "[b]".$item['title']."[/b]\n\n".$htmlbody; + } $htmlbody = bbcode($htmlbody, false, false, 7); } @@ -712,94 +810,128 @@ class dfrn { $dfrnowner = self::add_entry_author($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'] !== $item['uri']))) { + if (($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, "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, "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)); + 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)); - xml_add_element($doc, $entry, "dfrn:env", base64url_encode($body, true)); - xml_add_element($doc, $entry, "content", (($type === 'html') ? $htmlbody : $body), array("type" => $type)); + // "dfrn:env" is used to read the content + xml::add_element($doc, $entry, "dfrn:env", base64url_encode($body, true)); - xml_add_element($doc, $entry, "link", "", array("rel" => "alternate", "type" => "text/html", + // The "content" field is not read by the receiver. We could remove it when the type is "text" + // We keep it at the moment, maybe there is some old version that doesn't read "dfrn:env" + xml::add_element($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 ($comment) { + xml::add_element($doc, $entry, "dfrn:comment-allow", intval($item['last-child'])); + } - if($item['location']) - xml_add_element($doc, $entry, "dfrn:location", $item['location']); + if ($item['location']) { + xml::add_element($doc, $entry, "dfrn:location", $item['location']); + } - if($item['coord']) - xml_add_element($doc, $entry, "georss:point", $item['coord']); + if ($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['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['extid']) { + xml::add_element($doc, $entry, "dfrn:extid", $item['extid']); + } - if($item['bookmark']) - xml_add_element($doc, $entry, "dfrn:bookmark", "true"); + if ($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" => $item['app'])); + if ($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", $item["guid"]); + xml::add_element($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, "dfrn:diaspora_signature", $sign); } - xml_add_element($doc, $entry, "activity:verb", construct_verb($item)); + 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) + if ($actobj) { $entry->appendChild($actobj); + } $actarg = self::create_activity($doc, "activity:target", $item['target']); - if ($actarg) + 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 $t) { + if (($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] == "@") + 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, $entry, "link", "", array("rel" => "mentioned", + + if (!dbm::is_result($r)) { + /// @TODO Maybe some logging? + killme(); + } + + 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, $entry, "link", "", array("rel" => "mentioned", + } else { + xml::add_element($doc, $entry, "link", "", array("rel" => "mentioned", "ostatus:object-type" => ACTIVITY_OBJ_PERSON, "href" => $mention)); + } } self::get_attachment($doc, $entry, $item); @@ -816,23 +948,28 @@ class dfrn { * @param bool $dissolve (to be documented) * * @return int Deliver status. -1 means an error. + * @todo Add array type-hint for $owner, $contact */ - function deliver($owner,$contact,$atom, $dissolve = false) { + public static function deliver($owner,$contact,$atom, $dissolve = false) { $a = get_app(); $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']); - if($contact['duplex'] && $contact['dfrn-id']) + if ($contact['duplex'] && $contact['dfrn-id']) { $idtosend = '0:' . $orig_id; - if($contact['duplex'] && $contact['issued-id']) + } + if ($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')) $rino=1; + if ($rino==2 and !function_exists('mcrypt_create_iv')) { + $rino=1; + } logger("Local rino version: ". $rino, LOGGER_DEBUG); @@ -856,18 +993,26 @@ class dfrn { logger('dfrn_deliver: ' . $url); - $xml = fetch_url($url); + $ret = z_fetch_url($url); + + if ($ret['errno'] == CURLE_OPERATION_TIMEDOUT) { + return -2; // timed out + } + + $xml = $ret['body']; $curl_stat = $a->get_curl_code(); - if(! $curl_stat) - return(-1); // timed out + if (!$curl_stat) { + return -3; // timed out + } logger('dfrn_deliver: ' . $xml, LOGGER_DATA); - if(! $xml) + if (! $xml) { return 3; + } - if(strpos($xml,'status) != 0) || (! strlen($res->challenge)) || (! strlen($res->dfrn_id))) + if ((intval($res->status) != 0) || (! strlen($res->challenge)) || (! strlen($res->dfrn_id))) { return (($res->status) ? $res->status : 3); + } $postvars = array(); $sent_dfrn_id = hex2bin((string) $res->dfrn_id); @@ -888,13 +1034,14 @@ class dfrn { logger("Remote rino version: ".$rino_remote_version." for ".$contact["url"], LOGGER_DEBUG); - if($owner['page-flags'] == PAGE_PRVGROUP) + if ($owner['page-flags'] == PAGE_PRVGROUP) { $page = 2; + } $final_dfrn_id = ''; - if($perm) { - if((($perm == 'rw') && (! intval($contact['writable']))) + 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), @@ -904,7 +1051,7 @@ class dfrn { } } - if(($contact['duplex'] && strlen($contact['pubkey'])) + 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']); @@ -916,10 +1063,11 @@ class dfrn { $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.')); - if(strpos($final_dfrn_id,':') == 1) + if (strpos($final_dfrn_id,':') == 1) { $final_dfrn_id = substr($final_dfrn_id,2); + } - if($final_dfrn_id != $orig_id) { + if ($final_dfrn_id != $orig_id) { logger('dfrn_deliver: wrong dfrn_id.'); // did not decode properly - cannot trust this site return 3; @@ -927,11 +1075,12 @@ class dfrn { $postvars['dfrn_id'] = $idtosend; $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION; - if($dissolve) + if ($dissolve) { $postvars['dissolve'] = '1'; + } - if((($contact['rel']) && ($contact['rel'] != CONTACT_IS_SHARING) && (! $contact['blocked'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) { + if ((($contact['rel']) && ($contact['rel'] != CONTACT_IS_SHARING) && (! $contact['blocked'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) { $postvars['data'] = $atom; $postvars['perm'] = 'rw'; } else { @@ -941,11 +1090,12 @@ class dfrn { $postvars['ssl_policy'] = $ssl_policy; - if($page) + if ($page) { $postvars['page'] = $page; + } - if($rino>0 && $rino_remote_version>0 && (! $dissolve)) { + if ($rino>0 && $rino_remote_version>0 && (! $dissolve)) { logger('rino version: '. $rino_remote_version); switch($rino_remote_version) { @@ -960,46 +1110,48 @@ class dfrn { $key = Crypto::createNewRandomKey(); } catch (CryptoTestFailed $ex) { logger('Cannot safely create a key'); - return -1; + return -4; } catch (CannotPerformOperation $ex) { logger('Cannot safely create a key'); - return -1; + return -5; } try { $data = Crypto::encrypt($postvars['data'], $key); } catch (CryptoTestFailed $ex) { logger('Cannot safely perform encryption'); - return -1; + return -6; } catch (CannotPerformOperation $ex) { logger('Cannot safely perform encryption'); - return -1; + return -7; } break; default: logger("rino: invalid requested verision '$rino_remote_version'"); - return -1; + return -8; } $postvars['rino'] = $rino_remote_version; $postvars['data'] = bin2hex($data); - #logger('rino: sent key = ' . $key, LOGGER_DEBUG); + //logger('rino: sent key = ' . $key, LOGGER_DEBUG); - if($dfrn_version >= 2.1) { - if(($contact['duplex'] && strlen($contact['pubkey'])) + 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 + } else { openssl_private_encrypt($key,$postvars['key'],$contact['prvkey']); + } } else { - if(($contact['duplex'] && strlen($contact['prvkey'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) + if (($contact['duplex'] && strlen($contact['prvkey'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) { openssl_private_encrypt($key,$postvars['key'],$contact['prvkey']); - else + } else { openssl_public_encrypt($key,$postvars['key'],$contact['pubkey']); + } } @@ -1011,24 +1163,26 @@ class dfrn { logger('dfrn_deliver: ' . "SENDING: " . print_r($postvars,true), LOGGER_DATA); - $xml = post_url($contact['notify'],$postvars); + $xml = post_url($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 ((!$curl_stat) || (!strlen($xml))) { + return -9; // timed out + } - if(($curl_stat == 503) && (stristr($a->get_curl_headers(),'retry-after'))) - return(-1); + if (($curl_stat == 503) && (stristr($a->get_curl_headers(),'retry-after'))) { + return -10; + } - if(strpos($xml,' NULL_DATE) { logger("dfrn_deliver: $url back from the dead - removing mark for death"); require_once('include/Contact.php'); unmark_for_death($contact); @@ -1038,4 +1192,1577 @@ class dfrn { return $res->status; } + + /** + * @brief Add new birthday event for this person + * + * @param array $contact Contact record + * @param string $birthday Birthday of the contact + * @todo Add array type-hint for $contact + */ + private static function birthday_event($contact, $birthday) { + + // Check for duplicates + $r = q("SELECT `id` FROM `event` WHERE `uid` = %d AND `cid` = %d AND `start` = '%s' AND `type` = '%s' LIMIT 1", + intval($contact["uid"]), + intval($contact["id"]), + dbesc(datetime_convert("UTC","UTC", $birthday)), + dbesc("birthday")); + + if (dbm::is_result($r)) { + return; + } + + 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 $onlyfetch Should the data only be fetched or should it update the contact record as well + * + * @return Returns an array with relevant data of the author + * @todo Find good type-hints for all parameter + */ + private static function fetchauthor($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; + + $r = q("SELECT `id`, `uid`, `url`, `network`, `avatar-date`, `name-date`, `uri-date`, `addr`, + `name`, `nick`, `about`, `location`, `keywords`, `xmpp`, `bdyear`, `bd`, `hidden`, `contact-type` + FROM `contact` WHERE `uid` = %d AND `nurl` = '%s' AND `network` != '%s'", + intval($importer["uid"]), dbesc(normalise_link($author["link"])), dbesc(NETWORK_STATUSNET)); + + if (dbm::is_result($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 $attributes) { + /// @TODO Rewrite these similar if() to one switch + if ($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 (dbm::is_result($r) AND !$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 Only search for elements with "poco:type" = "xmpp" + $value = $xpath->evaluate($element."/poco:ims/poco:value/text()", $context)->item(0)->nodeValue; + if ($value != "") { + $poco["xmpp"] = $value; + } + + /// @todo Add support for the following fields that we don't support by now in the contact table: + /// - poco:utcOffset + /// - poco:urls + /// - poco:locality + /// - poco:region + /// - poco:country + + // If the "hide" element is present then the profile isn't searchable. + $hide = intval($xpath->evaluate($element."/dfrn:hide/text()", $context)->item(0)->nodeValue == "true"); + + logger("Hidden status for contact ".$contact["url"].": ".$hide, LOGGER_DEBUG); + + // If the contact isn't searchable then set the contact to "hidden". + // Problem: This can be manually overridden by the user. + if ($hide) { + $contact["hidden"] = true; + } + + // 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 '".$field."'. New value: '".$contact[$field]."', old value '".$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."'. New value: '".$contact[$field]."', old 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', `hidden` = %d, + `xmpp` = '%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"]), intval($contact["hidden"]), dbesc($contact["xmpp"]), + 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"]; + $poco["hide"] = $hide; + $poco["contact-type"] = $contact["contact-type"]; + update_gcontact($poco); + } + + return($author); + } + + /** + * @brief Transforms activity objects into an XML string + * + * @param object $xpath XPath object + * @param object $activity Activity object + * @param text $element element name + * + * @return string XML string + * @todo Find good type-hints for all parameter + */ + private static function transform_activity($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 $importer Record of the importer user mixed with contact of the content + * @todo Find good type-hints for all parameter + */ + private static function process_mail($xpath, $mail, $importer) { + + logger("Processing mails"); + + /// @TODO Rewrite this to one statement + $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; + $msg["replied"] = 0; + + dbm::esc_array($msg, true); + + $r = dbq("INSERT INTO `mail` (`".implode("`, `", array_keys($msg))."`) VALUES (".implode(", ", array_values($msg)).")"); + + // send notifications. + /// @TODO Arange this mess + $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 $importer Record of the importer user mixed with contact of the content + * @todo Find good type-hints for all parameter + */ + private static function process_suggestion($xpath, $suggestion, $importer) { + $a = get_app(); + + logger("Processing suggestions"); + + /// @TODO Rewrite this to one statement + $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"]) + ); + /// @TODO Really abort on valid result??? Maybe missed ! here? + if (dbm::is_result($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 (dbm::is_result($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($fid) + ); + /// @TODO Really abort on valid result??? Maybe missed ! here? + if (dbm::is_result($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 (dbm::is_result($r)) { + $fid = $r[0]["id"]; + } else { + // database record did not get created. Quietly give up. + killme(); + } + + + $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 $importer Record of the importer user mixed with contact of the content + * @todo Find good type-hints for all parameter + */ + private static function process_relocation($xpath, $relocation, $importer) { + + logger("Processing relocations"); + + /// @TODO Rewrite this to one statement + $relocate = array(); + $relocate["uid"] = $importer["importer_uid"]; + $relocate["cid"] = $importer["id"]; + $relocate["url"] = $xpath->query("dfrn:url/text()", $relocation)->item(0)->nodeValue; + $relocate["addr"] = $xpath->query("dfrn:addr/text()", $relocation)->item(0)->nodeValue; + $relocate["name"] = $xpath->query("dfrn:name/text()", $relocation)->item(0)->nodeValue; + $relocate["avatar"] = $xpath->query("dfrn:avatar/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()", $relocation)->item(0)->nodeValue; + + if (($relocate["avatar"] == "") AND ($relocate["photo"] != "")) { + $relocate["avatar"] = $relocate["photo"]; + } + + if ($relocate["addr"] == "") { + $relocate["addr"] = preg_replace("=(https?://)(.*)/profile/(.*)=ism", "$3@$2", $relocate["url"]); + } + + // update contact + $r = q("SELECT `photo`, `url` FROM `contact` WHERE `id` = %d AND `uid` = %d;", + intval($importer["id"]), + intval($importer["importer_uid"])); + + if (!dbm::is_result($r)) { + killme(); + } + + $old = $r[0]; + + // Update the gcontact entry + $relocate["server_url"] = preg_replace("=(https?://)(.*)/profile/(.*)=ism", "$1$2", $relocate["url"]); + + $x = q("UPDATE `gcontact` SET + `name` = '%s', + `photo` = '%s', + `url` = '%s', + `nurl` = '%s', + `addr` = '%s', + `connect` = '%s', + `notify` = '%s', + `server_url` = '%s' + WHERE `nurl` = '%s';", + dbesc($relocate["name"]), + dbesc($relocate["avatar"]), + dbesc($relocate["url"]), + dbesc(normalise_link($relocate["url"])), + dbesc($relocate["addr"]), + dbesc($relocate["addr"]), + dbesc($relocate["notify"]), + dbesc($relocate["server_url"]), + dbesc(normalise_link($old["url"]))); + + // Update the contact table. We try to find every entry. + $x = q("UPDATE `contact` SET + `name` = '%s', + `avatar` = '%s', + `url` = '%s', + `nurl` = '%s', + `addr` = '%s', + `request` = '%s', + `confirm` = '%s', + `notify` = '%s', + `poll` = '%s', + `site-pubkey` = '%s' + WHERE (`id` = %d AND `uid` = %d) OR (`nurl` = '%s');", + dbesc($relocate["name"]), + dbesc($relocate["avatar"]), + dbesc($relocate["url"]), + dbesc(normalise_link($relocate["url"])), + dbesc($relocate["addr"]), + dbesc($relocate["request"]), + dbesc($relocate["confirm"]), + dbesc($relocate["notify"]), + dbesc($relocate["poll"]), + dbesc($relocate["sitepubkey"]), + intval($importer["id"]), + intval($importer["importer_uid"]), + dbesc(normalise_link($old["url"]))); + + update_contact_avatar($relocate["avatar"], $importer["importer_uid"], $importer["id"], true); + + if ($x === false) { + return false; + } + + // update items + /// @todo This is an extreme performance killer + $fields = array( + 'owner-link' => array($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) { + $r = q("SELECT `id` FROM `item` WHERE `%s` = '%s' AND `uid` = %d LIMIT 1", + $n, dbesc($f[0]), + intval($importer["importer_uid"])); + + if (dbm::is_result($r)) { + $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 $entrytype Is it a toplevel entry, a comment or a relayed comment? + */ + private static function update_content($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(PRIORITY_HIGH, "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 $item the new item record + * + * @return int Is it a toplevel entry, a comment or a relayed comment? + */ + private static function get_entry_type($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 (dbm::is_result($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($importer["importer_uid"]) + ); + if (dbm::is_result($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 $posted_id The record number of item record that was just posted + */ + private static function do_poke($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 $is_like Is the verb a "like"? + * + * @return bool Should the processing of the entries be continued? + */ + private static function process_verbs($entrytype, $importer, &$item, &$is_like) { + + logger("Process verb ".$item["verb"]." and object-type ".$item["object-type"]." for entrytype ".$entrytype, LOGGER_DEBUG); + + 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($item["parent-uri"]) + ); + if (dbm::is_result($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($item["parent-uri"]) + ); + if (dbm::is_result($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($importer["importer_uid"]) + ); + + if (!dbm::is_result($r)) { + killme(); + } + + // 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 $item the item record + * @todo Add type-hints + */ + private static function parse_links($links, &$item) { + $rel = ""; + $href = ""; + $type = ""; + $length = "0"; + $title = ""; + foreach ($links AS $link) { + foreach ($link->attributes AS $attributes) { + /// @TODO Rewrite these repeated (same) if() statements to a switch() + if ($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 $importer Record of the importer user mixed with contact of the content + * @todo Add type-hints + */ + private static function process_entry($header, $xpath, $entry, $importer) { + + logger("Processing entries"); + + $item = $header; + + // Get the uri + $item["uri"] = $xpath->query("atom:id/text()", $entry)->item(0)->nodeValue; + + $item["edited"] = $xpath->query("atom:updated/text()", $entry)->item(0)->nodeValue; + + $current = q("SELECT `id`, `uid`, `last-child`, `edited`, `body` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", + dbesc($item["uri"]), + intval($importer["importer_uid"]) + ); + + // Is there an existing item? + if (dbm::is_result($current) AND edited_timestamp_is_newer($current[0], $item) AND + (datetime_convert("UTC","UTC",$item["edited"]) < $current[0]["edited"])) { + logger("Item ".$item["uri"]." already existed.", LOGGER_DEBUG); + return; + } + + // 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["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']); + } + + /// @todo We should check for a repeated post and if we know the repeated author. + + // 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:bookmark/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) { + $term = ""; + $scheme = ""; + foreach ($category->attributes AS $attributes) { + if ($attributes->name == "term") { + $term = $attributes->textContent; + } + + if ($attributes->name == "scheme") { + $scheme = $attributes->textContent; + } + } + + if (($term != "") AND ($scheme != "")) { + $parts = explode(":", $scheme); + if ((count($parts) >= 4) AND (array_shift($parts) == "X-DFRN")) { + $termhash = array_shift($parts); + $termurl = implode(":", $parts); + + if (strlen($item["tag"])) { + $item["tag"] .= ","; + } + + $item["tag"] .= $termhash."[url=".$termurl."]".$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($importer["uid"]) + ); + if (dbm::is_result($r)) { + $ev["id"] = $r[0]["id"]; + } + + $event_id = event_store($ev); + logger("Event ".$event_id." was stored", LOGGER_DEBUG); + return; + } + } + } + + if (!self::process_verbs($entrytype, $importer, $item, $is_like)) { + logger("Exiting because 'process_verbs' told us so", LOGGER_DEBUG); + return; + } + + // Update content if 'updated' changes + if (dbm::is_result($current)) { + 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($importer["importer_uid"]) + ); + if (dbm::is_result($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(PRIORITY_HIGH, "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 $importer Record of the importer user mixed with contact of the content + */ + private static function process_deletion($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 (!dbm::is_result($r)) { + logger("Item with uri ".$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($importer["importer_uid"]) + ); + if (dbm::is_result($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($importer["uid"]) + ); + if (dbm::is_result($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(PRIORITY_HIGH, "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 ".$importer["id"], LOGGER_DEBUG); + + // The account type is new since 3.5.1 + if ($xpath->query("/atom:feed/dfrn:account_type")->length > 0) { + $accounttype = intval($xpath->evaluate("/atom:feed/dfrn:account_type/text()", $context)->item(0)->nodeValue); + + if ($accounttype != $importer["contact-type"]) + q("UPDATE `contact` SET `contact-type` = %d WHERE `id` = %d", + intval($accounttype), + intval($importer["id"]) + ); + } + + // is it a public forum? Private forums aren't supported with this method + // This is deprecated since 3.5.1 + $forum = intval($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); + } } +?>