X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=mod%2Fdfrn_notify.php;h=cd67df1d7c8da9d1cbeefde0161d19c6d4390edb;hb=afa0d8ff70465e71595165a2f4fb111bac306fd2;hp=5011471426301a1d782eabb75f3f6076f201e6e2;hpb=56a37deb7399075e35e4a174d609c9e8424095db;p=friendica.git diff --git a/mod/dfrn_notify.php b/mod/dfrn_notify.php index 5011471426..cd67df1d7c 100644 --- a/mod/dfrn_notify.php +++ b/mod/dfrn_notify.php @@ -1,231 +1,560 @@ get_author(); - $res['remote-name'] = $author->get_name(); - $res['remote-link'] = $author->get_link(); - $res['remote-avatar'] = $author->get_avatar(); - $res['remote-id'] = $item->get_id(); - $res['title'] = $item->get_title(); - $res['body'] = $item->get_content(); - - if(strlen($res['body']) > 100000) - $res['body'] = substr($res['body'],0,10000) . "\r\n[Extremely large post truncated.]\r\n" ; - - $allow = $item->get_item_tags('http://purl.org/macgirvin/dfrn/1.0','comment-allow'); - if($allow && $allow[0]['data'] == 1) - $res['last-child'] = 1; - else - $res['last-child'] = 0; - - $rawcreated = $item->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10,'published'); - if($rawcreated) - $res['created'] = $rawcreated[0]['data']; - - $rawedited = $item->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10,'updated'); - if($rawedited) - $res['edited'] = $rawcreated[0]['data']; - - - - return $res; + $r = q("SELECT * FROM `challenge` WHERE `dfrn-id` = '%s' AND `challenge` = '%s' LIMIT 1", + dbesc($dfrn_id), + dbesc($challenge) + ); + if(! count($r)) { + logger('dfrn_notify: could not match challenge to dfrn_id ' . $dfrn_id . ' challenge=' . $challenge); + xml_status(3); + } -} + $r = q("DELETE FROM `challenge` WHERE `dfrn-id` = '%s' AND `challenge` = '%s' LIMIT 1", + dbesc($dfrn_id), + dbesc($challenge) + ); -function post_remote($arr) { + // find the local user who owns this relationship. - $arr['hash'] = random_string(); - $arr['type'] = 'remote'; - $arr['remote-name'] = notags(trim($arr['remote-name'])); - $arr['remote-link'] = notags(trim($arr['remote-link'])); - $arr['remote-avatar'] = notags(trim($arr['remote-avatar'])); - if(! strlen($arr['remote-avatar'])) - $arr['remote-avatar'] = $a->get_baseurl() . '/images/default-profile-sm.jpg'; - $arr['created'] = datetime_convert('UTC','UTC',$arr['created'],'Y-m-d H:i:s'); - $arr['edited'] = datetime_convert('UTC','UTC',$arr['edited'],'Y-m-d H:i:s'); - $arr['title'] = notags(trim($arr['title'])); - $arr['body'] = escape_tags(trim($arr['body'])); - $arr['last-child'] = intval($arr['last_child']); - $arr['visible'] = 1; - $arr['deleted'] = 0; + $sql_extra = ''; + switch($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`, + `contact`.`thumb` AS `thumb`, + `contact`.`url` as `url`, + `contact`.`name` as `senderName`, + `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]) + ); - $parent = $arr['parent_urn']; + if(! count($r)) { + logger('dfrn_notify: contact not found for dfrn_id ' . $dfrn_id); + xml_status(3); + //NOTREACHED + } - unset($arr['parent_urn']); + // $importer in this case contains the contact record for the remote contact joined with the user record of our user. - $parent_id = 0; + $importer = $r[0]; - dbesc_array($arr); + logger('dfrn_notify: received notify from ' . $importer['name'] . ' for ' . $importer['username']); + logger('dfrn_notify: data: ' . $data, LOGGER_DATA); - $r = q("INSERT INTO `item` (`" - . implode("`, `", array_keys($arr)) - . "`) VALUES ('" - . implode("', '", array_values($arr)) - . "')" ); + if($dissolve == 1) { + /** + * Relationship is dissolved permanently + */ - $r = q("SELECT `id` FROM `item` WHERE `remote-id` = '%s' AND `uid` = %d LIMIT 1", - dbesc($parent), - intval($arr['uid']) - ); - if(count($r)) - $parent_id = $r[0]['id']; - + require_once('include/Contact.php'); + contact_remove($importer['id']); + logger('relationship dissolved : ' . $importer['name'] . ' dissolved ' . $importer['username']); + xml_status(0); - $r = q("SELECT `id` FROM `item` WHERE `remote-id` = '%s' AND `uid` = %d LIMIT 1", - $arr['remote-id'], - intval($arr['uid']) - ); - if(count($r)) - $current_post = $r[0]['id']; + } - $r = q("UPDATE `item` SET `parent` = %d WHERE `id` = %d LIMIT 1", - intval($parent_id), - intval($current_post) - ); + if(strlen($key)) { + $rawkey = hex2bin(trim($key)); + logger('rino: md5 raw key: ' . md5($rawkey)); + $final_key = ''; -} + if($dfrn_version >= 2.1) { + if((($importer['duplex']) && strlen($importer['cprvkey'])) || (! strlen($importer['cpubkey']))) { + openssl_private_decrypt($rawkey,$final_key,$importer['cprvkey']); + } + else { + openssl_public_decrypt($rawkey,$final_key,$importer['cpubkey']); + } + } + else { + if((($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']); + } + } -function dfrn_notify_post(&$a) { -dbg(3); - $dfrn_id = notags(trim($_POST['dfrn_id'])); - $challenge = notags(trim($_POST['challenge'])); - $data = $_POST['data']; - $r = q("SELECT * FROM `challenge` WHERE `dfrn-id` = '%s' AND `challenge` = '%s' LIMIT 1", - dbesc($dfrn_id), - dbesc($challenge) - ); - if(! count($r)) - xml_status(3); + logger('rino: received key : ' . $final_key); + $data = aes_decrypt(hex2bin($data),$final_key); + logger('rino: decrypted data: ' . $data, LOGGER_DATA); + } - $r = q("DELETE FROM `challenge` WHERE `dfrn-id` = '%s' AND `challenge` = '%s' LIMIT 1", - dbesc($dfrn_id), - dbesc($challenge) - ); - // find the local user who owns this relationship. - $r = q("SELECT `id`, `uid` FROM `contact` WHERE `issued-id` = '%s' LIMIT 1", - dbesc($dfrn_id) - ); - if(! count($r)) - xml_status(3); + if($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 + } - $importer = $r[0]; + // 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); $feed->init(); - foreach($feed->get_items() as $item) { - - $rawdelete = $item->get_item_tags("http://purl.org/atompub/tombstones/1.0", 'deleted-entry'); - print_r($rawdelete); - if($deleted) { - // pick out ref and when from attribs - // check hasn't happened already, verify ownership and then process it + $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) { + + // name of the automated email sender + $msg['notificationfromname'] = t('Administrator'); + // noreply address to send from + $msg['notificationfromemail'] = t('noreply') . '@' . $a->get_hostname(); + + // text version + // process the message body to display properly in text mode + // 1) substitute a \n character for the "\" then "n", so it behaves properly (it doesn't come in as a \n character) + // 2) remove escape slashes + // 3) decode any bbcode from the message editor + // 4) decode any encoded html tags + // 5) remove html tags + $msg['textversion'] + = strip_tags(html_entity_decode(bbcode(stripslashes(str_replace(array("\\r\\n", "\\r", "\\n"), "\n",$msg['body']))),ENT_QUOTES,'UTF-8')); + + // html version + // process the message body to display properly in text mode + // 1) substitute a
tag for the "\" then "n", so it behaves properly (it doesn't come in as a \n character) + // 2) remove escape slashes + // 3) decode any bbcode from the message editor + // 4) decode any encoded html tags + $msg['htmlversion'] + = html_entity_decode(bbcode(stripslashes(str_replace(array("\\r\\n", "\\r","\\n\\n" ,"\\n"), "
\n",$msg['body'])))); + + // load the template for private message notifications + $tpl = load_view_file('view/mail_received_html_body_eml.tpl'); + $email_html_body_tpl = replace_macros($tpl,array( + '$siteName' => $a->config['sitename'], // name of this site + '$siteurl' => $a->get_baseurl(), // descriptive url of this site + '$thumb' => $importer['thumb'], // thumbnail url for sender icon + '$email' => $importer['email'], // email address to send to + '$url' => $importer['url'], // full url for the site + '$from' => $msg['from-name'], // name of the person sending the message + '$title' => stripslashes($msg['title']), // subject of the message + '$htmlversion' => $msg['htmlversion'], // html version of the message + '$mimeboundary' => $msg['mimeboundary'], // mime message divider + '$hostname' => $a->get_hostname() // name of this host + )); + + // load the template for private message notifications + $tpl = load_view_file('view/mail_received_text_body_eml.tpl'); + $email_text_body_tpl = replace_macros($tpl,array( + '$siteName' => $a->config['sitename'], // name of this site + '$siteurl' => $a->get_baseurl(), // descriptive url of this site + '$thumb' => $importer['thumb'], // thumbnail url for sender icon + '$email' => $importer['email'], // email address to send to + '$url' => $importer['url'], // full url for the site + '$from' => $msg['from-name'], // name of the person sending the message + '$title' => stripslashes($msg['title']), // subject of the message + '$textversion' => $msg['textversion'], // text version of the message + '$mimeboundary' => $msg['mimeboundary'], // mime message divider + '$hostname' => $a->get_hostname() // name of this host + )); + + // use the EmailNotification library to send the message + require_once("include/EmailNotification.php"); + EmailNotification::sendTextHtmlEmail( + $msg['notificationfromname'], + $msg['notificationfromemail'], + $msg['notificationfromemail'], + $importer['email'], + t('New mail received at ') . $a->config['sitename'], + $email_html_body_tpl, + $email_text_body_tpl + ); + } + xml_status(0); + // NOTREACHED + } + + logger('dfrn_notify: feed item count = ' . $feed->get_item_quantity()); + + // process any deleted entries + + $del_entries = $feed->get_feed_tags(NAMESPACE_TOMB, 'deleted-entry'); + if(is_array($del_entries) && count($del_entries)) { + foreach($del_entries as $dentry) { + $deleted = false; + if(isset($dentry['attribs']['']['ref'])) { + $uri = $dentry['attribs']['']['ref']; + $deleted = true; + if(isset($dentry['attribs']['']['when'])) { + $when = $dentry['attribs']['']['when']; + $when = datetime_convert('UTC','UTC', $when, 'Y-m-d H:i:s'); + } + else + $when = datetime_convert('UTC','UTC','now','Y-m-d H:i:s'); + } + if($deleted) { + $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d AND `contact-id` = %d LIMIT 1", + dbesc($uri), + intval($importer['importer_uid']), + intval($importer['id']) + ); - continue; + if(count($r)) { + $item = $r[0]; + + if(! $item['deleted']) + logger('dfrn_notify: deleting item ' . $item['id'] . ' uri=' . $item['uri'], LOGGER_DEBUG); + + if($item['uri'] == $item['parent-uri']) { + $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s' + WHERE `parent-uri` = '%s' AND `uid` = %d", + dbesc($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($r[0]['id']) + ); + } + } + } + } + } } + } + + + foreach($feed->get_items() as $item) { $is_reply = false; $item_id = $item->get_id(); - $rawthread = $item->get_item_tags("http://purl.org/syndication/thread/1.0",'in-reply-to'); + $rawthread = $item->get_item_tags( NAMESPACE_THREAD, 'in-reply-to'); if(isset($rawthread[0]['attribs']['']['ref'])) { $is_reply = true; - $parent_urn = $rawthread[0]['attribs']['']['ref']; + $parent_uri = $rawthread[0]['attribs']['']['ref']; } - if($is_reply) { - if($x == ($total_items - 1)) { + 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); + $parent = 0; + + if($posted_id) { + $r = q("SELECT `parent` FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1", + intval($posted_id), + intval($importer['importer_uid']) + ); + if(count($r)) + $parent = $r[0]['parent']; + + 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']) + ); + + $r2 = q("UPDATE `item` SET `last-child` = 1, `changed` = '%s' WHERE `uid` = %d AND `id` = %d LIMIT 1", + dbesc(datetime_convert()), + intval($importer['importer_uid']), + intval($posted_id) + ); + } + + if($posted_id && $parent) { + + proc_run('php',"include/notifier.php","comment-import","$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' => html_entity_decode(strip_tags(bbcode(stripslashes($datarray['body']))), ENT_QUOTES, 'UTF-8') + )); + + $res = mail($importer['email'], sprintf(t('%s commented on an item at %s'), $from , $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(); + $item_id = $item->get_id(); + $datarray = get_atom_elements($feed,$item); - $r = q("SELECT `uid`, `last-child` FROM `item` WHERE `remote-id` = '%s' AND `uid` = %d LIMIT 1", + $r = q("SELECT `uid`, `last-child`, `edited`, `body` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", dbesc($item_id), - intval($importer['uid']) + intval($importer['importer_uid']) ); + + // Update content if 'updated' changes + if(count($r)) { - $allow = $item->get_item_tags('http://purl.org/macgirvin/dfrn/1.0','comment-allow'); - if($allow && $allow[0]['data'] != $r[0]['last-child']) { - $r = q("UPDATE `item` SET `last-child` = %d WHERE `remote-id` = '%s' AND `uid` = %d LIMIT 1", + if((x($datarray,'edited') !== false) && (datetime_convert('UTC','UTC',$datarray['edited']) !== $r[0]['edited'])) { + $r = q("UPDATE `item` SET `body` = '%s', `edited` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", + dbesc($datarray['body']), + dbesc(datetime_convert('UTC','UTC',$datarray['edited'])), + dbesc($item_id), + intval($importer['importer_uid']) + ); + } + + // update last-child if it changes + + $allow = $item->get_item_tags( NAMESPACE_DFRN, 'comment-allow'); + if(($allow) && ($allow[0]['data'] != $r[0]['last-child'])) { + $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d", + dbesc(datetime_convert()), + dbesc($parent_uri), + intval($importer['importer_uid']) + ); + $r = q("UPDATE `item` SET `last-child` = %d , `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", intval($allow[0]['data']), - dbesc($item_id) + dbesc(datetime_convert()), + dbesc($item_id), + intval($importer['importer_uid']) ); } continue; } - $datarray = get_atom_elements($item); - $datarray['parent_urn'] = $parent_urn; - $datarray['uid'] = $importer['uid']; + + $datarray['parent-uri'] = $parent_uri; + $datarray['uid'] = $importer['importer_uid']; $datarray['contact-id'] = $importer['id']; - $r = post_remote($datarray); + 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)) { + + $myconv = q("SELECT `author-link` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d AND `parent` != 0 ", + dbesc($parent_uri), + intval($importer['importer_uid']) + ); + if(count($myconv)) { + $importer_url = $a->get_baseurl() . '/profile/' . $importer['nickname']; + foreach($myconv as $conv) { + if(! link_compare($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' => html_entity_decode(strip_tags(bbcode(stripslashes($datarray['body']))), ENT_QUOTES, 'UTF-8') + )); + + $res = mail($importer['email'], sprintf( t("%s commented on an item at %s") , $from ,$a->config['sitename']), + $email_tpl, "From: ".t("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` FROM `item` WHERE `remote-id` = '%s' AND `uid` = %d LIMIT 1", + + $item_id = $item->get_id(); + $datarray = get_atom_elements($feed,$item); + + $r = q("SELECT `uid`, `last-child`, `edited`, `body` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", dbesc($item_id), - intval($importer['uid']) + intval($importer['importer_uid']) ); + + // Update content if 'updated' changes + if(count($r)) { - $allow = $item->get_item_tags('http://purl.org/macgirvin/dfrn/1.0','comment-allow'); + if((x($datarray,'edited') !== false) && (datetime_convert('UTC','UTC',$datarray['edited']) !== $r[0]['edited'])) { + $r = q("UPDATE `item` SET `body` = '%s', `edited` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", + dbesc($datarray['body']), + dbesc(datetime_convert('UTC','UTC',$datarray['edited'])), + dbesc($item_id), + intval($importer['importer_uid']) + ); + } + + // update last-child if it changes + + $allow = $item->get_item_tags( NAMESPACE_DFRN, 'comment-allow'); if($allow && $allow[0]['data'] != $r[0]['last-child']) { - $r = q("UPDATE `item` SET `last-child` = %d WHERE `remote-id` = '%s' AND `uid` = %d LIMIT 1", + $r = q("UPDATE `item` SET `last-child` = %d , `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", intval($allow[0]['data']), - dbesc($item_id) + dbesc(datetime_convert()), + dbesc($item_id), + intval($importer['importer_uid']) ); } continue; } - - $datarray = get_atom_elements($item); - $datarray['parent_urn'] = $item_id; - $datarray['uid'] = $importer['uid']; + $datarray['parent-uri'] = $item_id; + $datarray['uid'] = $importer['importer_uid']; $datarray['contact-id'] = $importer['id']; - $r = post_remote($datarray); + $r = item_store($datarray); continue; - } - } - - killme(); + 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); + } - - -function dfrn_notify_content(&$a) { - - if(x($_GET,'dfrn_id')) { - // initial communication from external contact $hash = random_string(); $status = 0; @@ -233,26 +562,77 @@ function dfrn_notify_content(&$a) { $r = q("DELETE FROM `challenge` WHERE `expire` < " . intval(time())); $r = q("INSERT INTO `challenge` ( `challenge`, `dfrn-id`, `expire` ) - VALUES( '%s', '%s', '%s') ", + VALUES( '%s', '%s', %d ) ", dbesc($hash), - dbesc(notags(trim($_GET['dfrn_id']))), - intval(time() + 60 ) + dbesc($dfrn_id), + intval(time() + 90 ) + ); + + logger('dfrn_notify: challenge=' . $hash ); + + $sql_extra = ''; + switch($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]) ); - $r = q("SELECT * FROM `contact` WHERE `issued-id` = '%s' AND `blocked` = 0 LIMIT 1", - dbesc($_GET['dfrn_id'])); - if((! count($r)) || (! strlen($r[0]['prvkey']))) + if(! count($r)) $status = 1; $challenge = ''; + $encrypted_id = ''; + $id_str = $my_id . '.' . mt_rand(1000,9999); - openssl_private_encrypt($hash,$challenge,$r[0]['prvkey']); - $challenge = bin2hex($challenge); - echo '' .$status . '' . $_GET['dfrn_id'] . '' - . '' . $challenge . '' . "\r\n" ; - session_write_close(); - exit; - + if((($r[0]['duplex']) && strlen($r[0]['prvkey'])) || (! strlen($r[0]['pubkey']))) { + openssl_private_encrypt($hash,$challenge,$r[0]['prvkey']); + openssl_private_encrypt($id_str,$encrypted_id,$r[0]['prvkey']); + } + else { + openssl_public_encrypt($hash,$challenge,$r[0]['pubkey']); + openssl_public_encrypt($id_str,$encrypted_id,$r[0]['pubkey']); + } + + $challenge = bin2hex($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 '' . "\r\n" + . '' . "\r\n" + . "\t" . '' . $status . '' . "\r\n" + . "\t" . '' . DFRN_PROTOCOL_VERSION . '' . "\r\n" + . "\t" . '' . $rino . '' . "\r\n" + . "\t" . '' . $encrypted_id . '' . "\r\n" + . "\t" . '' . $challenge . '' . "\r\n" + . '' . "\r\n" ; + + killme(); } -} \ No newline at end of file +}