X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=mod%2Fdfrn_notify.php;h=fcc5726548fea9ae944c204fbbd7362ff24c8034;hb=1eae40592ca67868a29acf9684f6c47c7ad10755;hp=755d674c13f71d129d29a7d33cf774f7064f2f8e;hpb=2d542e0f982598b792da6fbdf9cd7b29c2a04c83;p=friendica.git diff --git a/mod/dfrn_notify.php b/mod/dfrn_notify.php index 755d674c13..fcc5726548 100644 --- a/mod/dfrn_notify.php +++ b/mod/dfrn_notify.php @@ -1,17 +1,31 @@ = 2.21) { + $writable = (($perm === 'rw') ? 1 : 0); + } $direction = (-1); if(strpos($dfrn_id,':') == 1) { @@ -28,7 +42,7 @@ function dfrn_notify_post(&$a) { xml_status(3); } - $r = q("DELETE FROM `challenge` WHERE `dfrn-id` = '%s' AND `challenge` = '%s' LIMIT 1", + $r = q("DELETE FROM `challenge` WHERE `dfrn-id` = '%s' AND `challenge` = '%s'", dbesc($dfrn_id), dbesc($challenge) ); @@ -50,13 +64,22 @@ function dfrn_notify_post(&$a) { 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", + // be careful - $importer will contain both the contact information for the contact + // sending us the post, and also the user information for the person receiving it. + // since they are mixed together, it is easy to get them confused. + + $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' AND `user`.`account_expired` = 0 AND `user`.`account_removed` = 0 $sql_extra LIMIT 1", dbesc($a->argv[1]) ); @@ -66,10 +89,29 @@ function dfrn_notify_post(&$a) { //NOTREACHED } - // $importer in this case contains the contact record for the remote contact joined with the user record of our user. + // $importer in this case contains the contact record for the remote contact joined with the user record of our user. $importer = $r[0]; + logger("Remote rino version: ".$rino_remote." for ".$importer["url"], LOGGER_DEBUG); + + if((($writable != (-1)) && ($writable != $importer['writable'])) || ($importer['forum'] != $forum) || ($importer['prv'] != $prv)) { + q("UPDATE `contact` SET `writable` = %d, forum = %d, prv = %d WHERE `id` = %d", + intval(($writable == (-1)) ? $importer['writable'] : $writable), + intval($forum), + intval($prv), + intval($importer['id']) + ); + if($writable != (-1)) + $importer['writable'] = $writable; + $importer['forum'] = $page; + } + + + // if contact's ssl policy changed, update our links + + fix_contact_ssl_policy($importer,$ssl_policy); + logger('dfrn_notify: received notify from ' . $importer['name'] . ' for ' . $importer['username']); logger('dfrn_notify: data: ' . $data, LOGGER_DATA); @@ -79,14 +121,36 @@ function dfrn_notify_post(&$a) { * Relationship is dissolved permanently */ - require_once('include/Contact.php'); + require_once('include/Contact.php'); contact_remove($importer['id']); logger('relationship dissolved : ' . $importer['name'] . ' dissolved ' . $importer['username']); xml_status(0); } + + // If we are setup as a soapbox we aren't accepting input from this person + // This behaviour is deactivated since it really doesn't make sense to even disallow comments + // The check if someone is a friend or simply a follower is done in a later place so it needn't to be done here + //if($importer['page-flags'] == PAGE_SOAPBOX) + // xml_status(0); + + $rino = get_config('system','rino_encrypt'); + $rino = intval($rino); + // use RINO1 if mcrypt isn't installed and RINO2 was selected + if ($rino==2 and !function_exists('mcrypt_create_iv')) $rino=1; + + logger("Local rino version: ". $rino, LOGGER_DEBUG); + if(strlen($key)) { + + // if local rino is lower than remote rino, abort: should not happen! + // but only for $remote_rino > 1, because old code did't send rino version + if ($rino_remote_version > 1 && $rino < $rino_remote) { + logger("rino version '$rino_remote' is lower than supported '$rino'"); + xml_status(0,"rino version '$rino_remote' is lower than supported '$rino'"); + } + $rawkey = hex2bin(trim($key)); logger('rino: md5 raw key: ' . md5($rawkey)); $final_key = ''; @@ -108,350 +172,47 @@ function dfrn_notify_post(&$a) { } } - 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()); - - // 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) { - $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1", - dbesc($uri), - intval($importer['importer_uid']) - ); - if(count($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) { + #logger('rino: received key : ' . $final_key); - $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); - $parent = 0; - - if($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) { - - $php_path = ((strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php'); - - proc_run($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)) { - - $myconv = q("SELECT `author-link` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d AND `parent` != 0 ", - dbesc($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' => 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@") . $a->get_hostname() ); - break; - } - } + switch($rino_remote) { + case 0: + case 1: + // we got a key. old code send only the key, without RINO version. + // we assume RINO 1 if key and no RINO version + $data = aes_decrypt(hex2bin($data),$final_key); + break; + case 2: + try { + $data = Crypto::decrypt(hex2bin($data),$final_key); + } catch (InvalidCiphertext $ex) { // VERY IMPORTANT + // Either: + // 1. The ciphertext was modified by the attacker, + // 2. The key is wrong, or + // 3. $ciphertext is not a valid ciphertext or was corrupted. + // Assume the worst. + logger('The ciphertext has been tampered with!'); + xml_status(0,'The ciphertext has been tampered with!'); + } catch (Ex\CryptoTestFailed $ex) { + logger('Cannot safely perform dencryption'); + xml_status(0,'CryptoTestFailed'); + } catch (Ex\CannotPerformOperation $ex) { + logger('Cannot safely perform decryption'); + xml_status(0,'Cannot safely perform decryption'); } - continue; - } + break; + default: + logger("rino: invalid sent verision '$rino_remote'"); + xml_status(0); } - 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; - } + logger('rino: decrypted data: ' . $data, LOGGER_DATA); } - xml_status(0); - // NOTREACHED + $ret = local_delivery($importer,$data); + xml_status($ret); + // NOTREACHED } @@ -464,6 +225,9 @@ function dfrn_notify_content(&$a) { $dfrn_id = notags(trim($_GET['dfrn_id'])); $dfrn_version = (float) $_GET['dfrn_version']; + $rino_remote = ((x($_GET,'rino')) ? intval($_GET['rino']) : 0); + $type = ""; + $last_update = ""; logger('dfrn_notify: new notification dfrn_id=' . $dfrn_id); @@ -479,14 +243,16 @@ function dfrn_notify_content(&$a) { $r = q("DELETE FROM `challenge` WHERE `expire` < " . intval(time())); - $r = q("INSERT INTO `challenge` ( `challenge`, `dfrn-id`, `expire` ) - VALUES( '%s', '%s', %d ) ", + $r = q("INSERT INTO `challenge` ( `challenge`, `dfrn-id`, `expire` , `type`, `last_update` ) + VALUES( '%s', '%s', %d, '%s', '%s' ) ", dbesc($hash), dbesc($dfrn_id), - intval(time() + 90 ) + intval(time() + 90 ), + dbesc($type), + dbesc($last_update) ); - logger('dfrn_notify: challenge=' . $hash ); + logger('dfrn_notify: challenge=' . $hash, LOGGER_DEBUG); $sql_extra = ''; switch($direction) { @@ -507,46 +273,67 @@ function dfrn_notify_content(&$a) { 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", + $r = q("SELECT `contact`.*, `user`.`nickname`, `user`.`page-flags` FROM `contact` LEFT JOIN `user` ON `user`.`uid` = `contact`.`uid` + WHERE `contact`.`blocked` = 0 AND `contact`.`pending` = 0 AND `user`.`nickname` = '%s' + AND `user`.`account_expired` = 0 AND `user`.`account_removed` = 0 $sql_extra LIMIT 1", dbesc($a->argv[1]) ); if(! count($r)) $status = 1; + logger("Remote rino version: ".$rino_remote." for ".$r[0]["url"], LOGGER_DEBUG); + $challenge = ''; $encrypted_id = ''; $id_str = $my_id . '.' . mt_rand(1000,9999); - if((($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']); + $prv_key = trim($r[0]['prvkey']); + $pub_key = trim($r[0]['pubkey']); + $dplx = intval($r[0]['duplex']); + + if((($dplx) && (strlen($prv_key))) || ((strlen($prv_key)) && (!(strlen($pub_key))))) { + openssl_private_encrypt($hash,$challenge,$prv_key); + openssl_private_encrypt($id_str,$encrypted_id,$prv_key); } - else { - openssl_public_encrypt($hash,$challenge,$r[0]['pubkey']); - openssl_public_encrypt($id_str,$encrypted_id,$r[0]['pubkey']); + elseif(strlen($pub_key)) { + openssl_public_encrypt($hash,$challenge,$pub_key); + openssl_public_encrypt($id_str,$encrypted_id,$pub_key); } + else + $status = 1; $challenge = bin2hex($challenge); $encrypted_id = bin2hex($encrypted_id); - $rino = ((function_exists('mcrypt_encrypt')) ? 1 : 0); - $rino_enable = get_config('system','rino_encrypt'); + $rino = get_config('system','rino_encrypt'); + $rino = intval($rino); + // use RINO1 if mcrypt isn't installed and RINO2 was selected + if ($rino==2 and !function_exists('mcrypt_create_iv')) $rino=1; + + logger("Local rino version: ". $rino, LOGGER_DEBUG); - if(! $rino_enable) - $rino = 0; + // if requested rino is lower than enabled local rino, lower local rino version + // if requested rino is higher than enabled local rino, reply with local rino + if ($rino_remote < $rino) $rino = $rino_remote; + if((($r[0]['rel']) && ($r[0]['rel'] != CONTACT_IS_SHARING)) || ($r[0]['page-flags'] == PAGE_COMMUNITY)) { + $perm = 'rw'; + } + else { + $perm = 'r'; + } header("Content-type: text/xml"); - echo '' . "\r\n" + 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" . '' . $rino . '' . "\r\n" + . "\t" . '' . $perm . '' . "\r\n" + . "\t" . '' . $encrypted_id . '' . "\r\n" . "\t" . '' . $challenge . '' . "\r\n" . '' . "\r\n" ;