<?php require_once('simplepie/simplepie.inc'); require_once('include/items.php'); function dfrn_notify_post(&$a) { $dfrn_id = ((x($_POST,'dfrn_id')) ? notags(trim($_POST['dfrn_id'])) : ''); $dfrn_version = ((x($_POST,'dfrn_version')) ? (float) $_POST['dfrn_version'] : 2.0); $challenge = ((x($_POST,'challenge')) ? notags(trim($_POST['challenge'])) : ''); $data = ((x($_POST,'data')) ? $_POST['data'] : ''); $key = ((x($_POST,'key')) ? $_POST['key'] : ''); $dissolve = ((x($_POST,'dissolve')) ? intval($_POST['dissolve']) : 0); $direction = (-1); if(strpos($dfrn_id,':') == 1) { $direction = intval(substr($dfrn_id,0,1)); $dfrn_id = substr($dfrn_id,2); } $r = q("SELECT * FROM `challenge` WHERE `dfrn-id` = '%s' AND `challenge` = '%s' LIMIT 1", dbesc($dfrn_id), dbesc($challenge) ); if(! count($r)) { logger('dfrn_notify: could not match challenge to dfrn_id ' . $dfrn_id); xml_status(3); } $r = q("DELETE FROM `challenge` WHERE `dfrn-id` = '%s' AND `challenge` = '%s' LIMIT 1", dbesc($dfrn_id), dbesc($challenge) ); // find the local user who owns this relationship. $sql_extra = ''; switch($direction) { case (-1): $sql_extra = sprintf(" AND ( `issued-id` = '%s' OR `dfrn-id` = '%s' ) ", dbesc($dfrn_id), dbesc($dfrn_id)); break; case 0: $sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id)); break; case 1: $sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id)); break; default: xml_status(3); break; // NOTREACHED } $r = q("SELECT `contact`.*, `contact`.`uid` AS `importer_uid`, `contact`.`pubkey` AS `cpubkey`, `contact`.`prvkey` AS `cprvkey`, `user`.* FROM `contact` LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid` WHERE `contact`.`blocked` = 0 AND `contact`.`pending` = 0 AND `user`.`nickname` = '%s' $sql_extra LIMIT 1", dbesc($a->argv[1]) ); if(! count($r)) { logger('dfrn_notify: contact not found for dfrn_id ' . $dfrn_id); xml_status(3); //NOTREACHED } // $importer in this case contains the contact record for the remote contact joined with the user record of our user. $importer = $r[0]; logger('dfrn_notify: received notify from ' . $importer['name'] . ' for ' . $importer['username']); logger('dfrn_notify: data: ' . $data, LOGGER_DATA); if($dissolve == 1) { /** * Relationship is dissolved permanently */ require_once('include/Contact.php'); contact_remove($importer['id']); logger('relationship dissolved : ' . $importer['name'] . ' dissolved ' . $importer['username']); xml_status(0); } if(strlen($key)) { $rawkey = hex2bin(trim($key)); logger('rino: md5 raw key: ' . md5($rawkey)); $final_key = ''; if((($importer['duplex']) && strlen($importer['cpubkey'])) || (! strlen($importer['cprvkey']))) { openssl_public_decrypt($rawkey,$final_key,$importer['cpubkey']); } else { openssl_private_decrypt($rawkey,$final_key,$importer['cprvkey']); } logger('rino: received key : ' . $final_key); $data = aes_decrypt(hex2bin($data),$final_key); logger('rino: decrypted data: ' . $data, LOGGER_DATA); } if($importer['readonly']) { // We aren't receiving stuff from this person. But we will quietly ignore them // rather than a blatant "go away" message. logger('dfrn_notify: ignoring'); xml_status(0); //NOTREACHED } // Consume notification feed. This may differ from consuming a public feed in several ways // - might contain email // - might contain remote followup to our message // - in which case we need to accept it and then notify other conversants // - we may need to send various email notifications $feed = new SimplePie(); $feed->set_raw_data($data); $feed->enable_order_by_date(false); $feed->init(); $ismail = false; $rawmail = $feed->get_feed_tags( NAMESPACE_DFRN, 'mail' ); if(isset($rawmail[0]['child'][NAMESPACE_DFRN])) { logger('dfrn_notify: private message received'); $ismail = true; $base = $rawmail[0]['child'][NAMESPACE_DFRN]; $msg = array(); $msg['uid'] = $importer['importer_uid']; $msg['from-name'] = notags(unxmlify($base['sender'][0]['child'][NAMESPACE_DFRN]['name'][0]['data'])); $msg['from-photo'] = notags(unxmlify($base['sender'][0]['child'][NAMESPACE_DFRN]['avatar'][0]['data'])); $msg['from-url'] = notags(unxmlify($base['sender'][0]['child'][NAMESPACE_DFRN]['uri'][0]['data'])); $msg['contact-id'] = $importer['id']; $msg['title'] = notags(unxmlify($base['subject'][0]['data'])); $msg['body'] = escape_tags(unxmlify($base['content'][0]['data'])); $msg['seen'] = 0; $msg['replied'] = 0; $msg['uri'] = notags(unxmlify($base['id'][0]['data'])); $msg['parent-uri'] = notags(unxmlify($base['in-reply-to'][0]['data'])); $msg['created'] = datetime_convert(notags(unxmlify('UTC','UTC',$base['sentdate'][0]['data']))); dbesc_array($msg); $r = dbq("INSERT INTO `mail` (`" . implode("`, `", array_keys($msg)) . "`) VALUES ('" . implode("', '", array_values($msg)) . "')" ); // send email notification if requested. require_once('bbcode.php'); if($importer['notify-flags'] & NOTIFY_MAIL) { $body = html_entity_decode(strip_tags(bbcode(stripslashes($msg['body']))),ENT_QUOTES,'UTF-8'); if(function_exists('quoted_printable_encode')) $body = quoted_printable_encode($body); else $body = qp($body); $tpl = load_view_file('view/mail_received_eml.tpl'); $email_tpl = replace_macros($tpl, array( '$sitename' => $a->config['sitename'], '$siteurl' => $a->get_baseurl(), '$username' => $importer['username'], '$email' => $importer['email'], '$from' => $msg['from-name'], '$title' => stripslashes($msg['title']), '$body' => $body )); $res = mail($importer['email'], t('New mail received at ') . $a->config['sitename'], $email_tpl, 'From: ' . t('Administrator') . '@' . $a->get_hostname() . "\r\n" . 'MIME-Version: 1.0' . "\r\n" . 'Content-type: text/plain; charset=UTF-8' . "\r\n" . 'Content-transfer-encoding: quoted-printable' . "\r\n" ); } xml_status(0); // NOTREACHED } logger('dfrn_notify: feed item count = ' . $feed->get_item_quantity()); foreach($feed->get_items() as $item) { $deleted = false; $rawdelete = $item->get_item_tags( NAMESPACE_TOMB , 'deleted-entry'); if(isset($rawdelete[0]['attribs']['']['ref'])) { $uri = $rawthread[0]['attribs']['']['ref']; $deleted = true; if(isset($rawdelete[0]['attribs']['']['when'])) { $when = $rawthread[0]['attribs']['']['when']; $when = datetime_convert('UTC','UTC', $when, 'Y-m-d H:i:s'); } else $when = datetime_convert('UTC','UTC','now','Y-m-d H:i:s'); } if($deleted) { $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", dbesc($uri), intval($importer['importer_uid']) ); if(count($r)) { $item = $r[0]; if($item['uri'] == $item['parent-uri']) { $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d", dbesc($when), dbesc(datetime_convert()), dbesc($item['uri']), intval($importer['importer_uid']) ); } else { $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", dbesc($when), dbesc(datetime_convert()), dbesc($uri), intval($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? $r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `uid` = %d ORDER BY `created` DESC LIMIT 1", dbesc($item['parent-uri']), intval($importer['importer_uid']) ); if(count($r)) { q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d LIMIT 1", intval($r[0]['id']) ); } } } } continue; } $is_reply = false; $item_id = $item->get_id(); $rawthread = $item->get_item_tags( NAMESPACE_THREAD, 'in-reply-to'); if(isset($rawthread[0]['attribs']['']['ref'])) { $is_reply = true; $parent_uri = $rawthread[0]['attribs']['']['ref']; } if($is_reply) { if($feed->get_item_quantity() == 1) { logger('dfrn_notify: received remote comment'); $is_like = false; // remote reply to our post. Import and then notify everybody else. $datarray = get_atom_elements($feed,$item); $datarray['type'] = 'remote-comment'; $datarray['wall'] = 1; $datarray['parent-uri'] = $parent_uri; $datarray['uid'] = $importer['importer_uid']; $datarray['contact-id'] = $importer['id']; if(($datarray['verb'] == ACTIVITY_LIKE) || ($datarray['verb'] == ACTIVITY_DISLIKE)) { $is_like = true; $datarray['type'] = 'activity'; $datarray['gravity'] = GRAVITY_LIKE; $datarray['last-child'] = 0; } $posted_id = item_store($datarray); if($posted_id) { if(! $is_like) { $r = q("SELECT `parent` FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1", intval($posted_id), intval($importer['importer_uid']) ); if(count($r)) { $r1 = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `uid` = %d AND `parent` = %d", dbesc(datetime_convert()), intval($importer['importer_uid']), intval($r[0]['parent']) ); } $r2 = q("UPDATE `item` SET `last-child` = 1, `changed` = '%s' WHERE `uid` = %d AND `id` = %d LIMIT 1", dbesc(datetime_convert()), intval($importer['importer_uid']), intval($posted_id) ); } $php_path = ((strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php'); //proc_close(proc_open("\"$php_path\" \"include/notifier.php\" \"comment-import\" \"$posted_id\" &", array(),$foo)); proc_run($php_path,"include/notifier.php","comment-import","$posted_id"); if((! $is_like) && ($importer['notify-flags'] & NOTIFY_COMMENT) && (! $importer['self'])) { require_once('bbcode.php'); $from = stripslashes($datarray['author-name']); $tpl = load_view_file('view/cmnt_received_eml.tpl'); $email_tpl = replace_macros($tpl, array( '$sitename' => $a->config['sitename'], '$siteurl' => $a->get_baseurl(), '$username' => $importer['username'], '$email' => $importer['email'], '$display' => $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $posted_id, '$from' => $from, '$body' => strip_tags(bbcode(stripslashes($datarray['body']))) )); $res = mail($importer['email'], $from . t(' commented on an item at ') . $a->config['sitename'], $email_tpl, "From: " . t('Administrator') . '@' . $a->get_hostname() ); } } xml_status(0); // NOTREACHED } else { // regular comment that is part of this total conversation. Have we seen it? If not, import it. $item_id = $item->get_id(); $r = q("SELECT `uid`, `last-child`, `edited` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", dbesc($item_id), intval($importer['importer_uid']) ); // FIXME update content if 'updated' changes if(count($r)) { $allow = $item->get_item_tags( NAMESPACE_DFRN, 'comment-allow'); if($allow && $allow[0]['data'] != $r[0]['last-child']) { $r = q("UPDATE `item` SET `last-child` = %d, `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", intval($allow[0]['data']), dbesc(datetime_convert()), dbesc($item_id), intval($importer['importer_uid']) ); } continue; } $datarray = get_atom_elements($feed,$item); $datarray['parent-uri'] = $parent_uri; $datarray['uid'] = $importer['importer_uid']; $datarray['contact-id'] = $importer['id']; if(($datarray['verb'] == ACTIVITY_LIKE) || ($datarray['verb'] == ACTIVITY_DISLIKE)) { $datarray['type'] = 'activity'; $datarray['gravity'] = GRAVITY_LIKE; } $r = item_store($datarray); // find out if our user is involved in this conversation and wants to be notified. if(($datarray['type'] != 'activity') && ($importer['notify-flags'] & NOTIFY_COMMENT)) { $myconv = q("SELECT `author-link` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d", dbesc($parent_uri), intval($importer['importer_uid']) ); if(count($myconv)) { foreach($myconv as $conv) { if($conv['author-link'] != $importer['url']) continue; require_once('bbcode.php'); $from = stripslashes($datarray['author-name']); $tpl = load_view_file('view/cmnt_received_eml.tpl'); $email_tpl = replace_macros($tpl, array( '$sitename' => $a->config['sitename'], '$siteurl' => $a->get_baseurl(), '$username' => $importer['username'], '$email' => $importer['email'], '$from' => $from, '$display' => $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $r, '$body' => strip_tags(bbcode(stripslashes($datarray['body']))) )); $res = mail($importer['email'], $from . t(" commented on an item at ") . $a->config['sitename'], $email_tpl,t("From: Administrator@") . $a->get_hostname() ); break; } } } continue; } } else { // Head post of a conversation. Have we seen it? If not, import it. $item_id = $item->get_id(); $r = q("SELECT `uid`, `last-child`, `edited` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", dbesc($item_id), intval($importer['importer_uid']) ); if(count($r)) { $allow = $item->get_item_tags( NAMESPACE_DFRN, 'comment-allow'); if($allow && $allow[0]['data'] != $r[0]['last-child']) { $r = q("UPDATE `item` SET `last-child` = %d, `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", intval($allow[0]['data']), dbesc(datetime_convert()), dbesc($item_id), intval($importer['importer_uid']) ); } continue; } $datarray = get_atom_elements($feed,$item); $datarray['parent-uri'] = $item_id; $datarray['uid'] = $importer['importer_uid']; $datarray['contact-id'] = $importer['id']; $r = item_store($datarray); continue; } } xml_status(0); // NOTREACHED } function dfrn_notify_content(&$a) { if(x($_GET,'dfrn_id')) { // initial communication from external contact, $direction is their direction. // If this is a duplex communication, ours will be the opposite. $dfrn_id = notags(trim($_GET['dfrn_id'])); $dfrn_version = (float) $_GET['dfrn_version']; logger('dfrn_notify: new notification dfrn_id=' . $dfrn_id); $direction = (-1); if(strpos($dfrn_id,':') == 1) { $direction = intval(substr($dfrn_id,0,1)); $dfrn_id = substr($dfrn_id,2); } $hash = random_string(); $status = 0; $r = q("DELETE FROM `challenge` WHERE `expire` < " . intval(time())); $r = q("INSERT INTO `challenge` ( `challenge`, `dfrn-id`, `expire` ) VALUES( '%s', '%s', '%s') ", dbesc($hash), dbesc($dfrn_id), intval(time() + 60 ) ); $sql_extra = ''; switch($direction) { case (-1): $sql_extra = sprintf(" AND ( `issued-id` = '%s' OR `dfrn-id` = '%s' ) ", dbesc($dfrn_id), dbesc($dfrn_id)); $my_id = $dfrn_id; break; case 0: $sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id)); $my_id = '1:' . $dfrn_id; break; case 1: $sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id)); $my_id = '0:' . $dfrn_id; break; default: $status = 1; break; // NOTREACHED } $r = q("SELECT `contact`.*, `user`.`nickname` FROM `contact` LEFT JOIN `user` ON `user`.`uid` = `contact`.`uid` WHERE `contact`.`blocked` = 0 AND `contact`.`pending` = 0 AND `user`.`nickname` = '%s' $sql_extra LIMIT 1", dbesc($a->argv[1]) ); if(! count($r)) $status = 1; $challenge = ''; $encrypted_id = ''; $id_str = $my_id . '.' . mt_rand(1000,9999); if((($r[0]['duplex']) && strlen($r[0]['pubkey'])) || (! strlen($r[0]['prvkey']))) { openssl_public_encrypt($hash,$challenge,$r[0]['pubkey']); openssl_public_encrypt($id_str,$encrypted_id,$r[0]['pubkey']); } else { openssl_private_encrypt($hash,$challenge,$r[0]['prvkey']); openssl_private_encrypt($id_str,$encrypted_id,$r[0]['prvkey']); } $challenge = bin2hex($challenge); $encrypted_id = bin2hex($encrypted_id); $rino = ((function_exists('mcrypt_encrypt')) ? 1 : 0); $rino_enable = get_config('system','rino_encrypt'); if(! $rino_enable) $rino = 0; header("Content-type: text/xml"); echo '<?xml version="1.0" encoding="UTF-8"?>' . "\r\n" . '<dfrn_notify>' . "\r\n" . "\t" . '<status>' . $status . '</status>' . "\r\n" . "\t" . '<dfrn_version>' . DFRN_PROTOCOL_VERSION . '</dfrn_version>' . "\r\n" . "\t" . '<rino>' . $rino . '</rino>' . "\r\n" . "\t" . '<dfrn_id>' . $encrypted_id . '</dfrn_id>' . "\r\n" . "\t" . '<challenge>' . $challenge . '</challenge>' . "\r\n" . '</dfrn_notify>' . "\r\n" ; killme(); } }