mailcow/data/web/inc/functions.quarantine.inc.php

468 lines
18 KiB
PHP

<?php
function quarantine($_action, $_data = null) {
global $pdo;
global $redis;
global $lang;
$_data_log = $_data;
switch ($_action) {
case 'delete':
if (!is_array($_data['id'])) {
$ids = array();
$ids[] = $_data['id'];
}
else {
$ids = $_data['id'];
}
if (!isset($_SESSION['acl']['quarantine']) || $_SESSION['acl']['quarantine'] != "1" ) {
$_SESSION['return'][] = array(
'type' => 'danger',
'log' => array(__FUNCTION__, $_action, $_data_log),
'msg' => 'access_denied'
);
return false;
}
foreach ($ids as $id) {
if (!is_numeric($id)) {
$_SESSION['return'][] = array(
'type' => 'danger',
'log' => array(__FUNCTION__, $_action, $_data_log),
'msg' => 'access_denied'
);
continue;
}
$stmt = $pdo->prepare('SELECT `rcpt` FROM `quarantine` WHERE `id` = :id');
$stmt->execute(array(':id' => $id));
$row = $stmt->fetch(PDO::FETCH_ASSOC);
if (!hasMailboxObjectAccess($_SESSION['mailcow_cc_username'], $_SESSION['mailcow_cc_role'], $row['rcpt']) && $_SESSION['mailcow_cc_role'] != 'admin') {
$_SESSION['return'][] = array(
'type' => 'danger',
'log' => array(__FUNCTION__, $_action, $_data_log),
'msg' => 'access_denied'
);
continue;
}
else {
$stmt = $pdo->prepare("DELETE FROM `quarantine` WHERE `id` = :id");
$stmt->execute(array(
':id' => $id
));
}
$_SESSION['return'][] = array(
'type' => 'success',
'log' => array(__FUNCTION__, $_action, $_data_log),
'msg' => array('item_deleted', $id)
);
}
break;
case 'edit':
if (!isset($_SESSION['acl']['quarantine']) || $_SESSION['acl']['quarantine'] != "1" ) {
$_SESSION['return'][] = array(
'type' => 'danger',
'log' => array(__FUNCTION__, $_action, $_data_log),
'msg' => 'access_denied'
);
return false;
}
// Edit settings
if ($_data['action'] == 'settings') {
if ($_SESSION['mailcow_cc_role'] != "admin") {
$_SESSION['return'][] = array(
'type' => 'danger',
'log' => array(__FUNCTION__, $_action, $_data_log),
'msg' => 'access_denied'
);
return false;
}
$retention_size = $_data['retention_size'];
if ($_data['release_format'] == 'attachment' || $_data['release_format'] == 'raw') {
$release_format = $_data['release_format'];
}
else {
$release_format = 'raw';
}
$max_size = $_data['max_size'];
$subject = $_data['subject'];
$sender = $_data['sender'];
$html = $_data['html'];
$exclude_domains = (array)$_data['exclude_domains'];
try {
$redis->Set('Q_RETENTION_SIZE', intval($retention_size));
$redis->Set('Q_MAX_SIZE', intval($max_size));
$redis->Set('Q_EXCLUDE_DOMAINS', json_encode($exclude_domains));
$redis->Set('Q_RELEASE_FORMAT', $release_format);
$redis->Set('Q_SENDER', $sender);
$redis->Set('Q_SUBJECT', $subject);
$redis->Set('Q_HTML', $html);
}
catch (RedisException $e) {
$_SESSION['return'][] = array(
'type' => 'danger',
'log' => array(__FUNCTION__, $_action, $_data_log),
'msg' => array('redis_error', $e)
);
return false;
}
$_SESSION['return'][] = array(
'type' => 'success',
'log' => array(__FUNCTION__, $_action, $_data_log),
'msg' => 'saved_settings'
);
}
// Release item
elseif ($_data['action'] == 'release') {
if (!is_array($_data['id'])) {
$ids = array();
$ids[] = $_data['id'];
}
else {
$ids = $_data['id'];
}
foreach ($ids as $id) {
if (!is_numeric($id)) {
$_SESSION['return'][] = array(
'type' => 'danger',
'log' => array(__FUNCTION__, $_action, $_data_log),
'msg' => 'access_denied'
);
continue;
}
$stmt = $pdo->prepare('SELECT `msg`, `qid`, `sender`, `rcpt` FROM `quarantine` WHERE `id` = :id');
$stmt->execute(array(':id' => $id));
$row = $stmt->fetch(PDO::FETCH_ASSOC);
if (!hasMailboxObjectAccess($_SESSION['mailcow_cc_username'], $_SESSION['mailcow_cc_role'], $row['rcpt'])) {
$_SESSION['return'][] = array(
'type' => 'danger',
'msg' => 'access_denied'
);
continue;
}
$sender = (isset($row['sender'])) ? $row['sender'] : 'sender-unknown@rspamd';
if (!empty(gethostbynamel('postfix-mailcow'))) {
$postfix = 'postfix-mailcow';
}
if (!empty(gethostbynamel('postfix'))) {
$postfix = 'postfix';
}
else {
$_SESSION['return'][] = array(
'type' => 'warning',
'log' => array(__FUNCTION__, $_action, $_data_log),
'msg' => array('release_send_failed', 'Cannot determine Postfix host')
);
continue;
}
try {
$release_format = $redis->Get('Q_RELEASE_FORMAT');
}
catch (RedisException $e) {
$_SESSION['return'][] = array(
'type' => 'danger',
'log' => array(__FUNCTION__, $_action, $_data_log),
'msg' => array('redis_error', $e)
);
return false;
}
if ($release_format == 'attachment') {
try {
$mail = new PHPMailer(true);
$mail->isSMTP();
$mail->SMTPDebug = 0;
$mail->SMTPOptions = array(
'ssl' => array(
'verify_peer' => false,
'verify_peer_name' => false,
'allow_self_signed' => true
)
);
if (!empty(gethostbynamel('postfix-mailcow'))) {
$postfix = 'postfix-mailcow';
}
if (!empty(gethostbynamel('postfix'))) {
$postfix = 'postfix';
}
else {
$_SESSION['return'][] = array(
'type' => 'warning',
'log' => array(__FUNCTION__, $_action, $_data_log),
'msg' => array('release_send_failed', 'Cannot determine Postfix host')
);
continue;
}
$mail->Host = $postfix;
$mail->Port = 590;
$mail->setFrom($sender);
$mail->CharSet = 'UTF-8';
$mail->Subject = sprintf($lang['quarantine']['release_subject'], $row['qid']);
$mail->addAddress($row['rcpt']);
$mail->IsHTML(false);
$msg_tmpf = tempnam("/tmp", $row['qid']);
file_put_contents($msg_tmpf, $row['msg']);
$mail->addAttachment($msg_tmpf, $row['qid'] . '.eml');
$mail->Body = sprintf($lang['quarantine']['release_body']);
$mail->send();
unlink($msg_tmpf);
}
catch (phpmailerException $e) {
unlink($msg_tmpf);
$_SESSION['return'][] = array(
'type' => 'warning',
'log' => array(__FUNCTION__, $_action, $_data_log),
'msg' => array('release_send_failed', $e->errorMessage())
);
continue;
}
}
elseif ($release_format == 'raw') {
$postfix_talk = array(
array('220', 'HELO quarantine' . chr(10)),
array('250', 'MAIL FROM: ' . $sender . chr(10)),
array('250', 'RCPT TO: ' . $row['rcpt'] . chr(10)),
array('250', 'DATA' . chr(10)),
array('354', $row['msg'] . chr(10) . '.' . chr(10)),
array('250', 'QUIT' . chr(10)),
array('221', '')
);
// Thanks to https://stackoverflow.com/questions/6632399/given-an-email-as-raw-text-how-can-i-send-it-using-php
$smtp_connection = fsockopen($postfix, 590, $errno, $errstr, 1);
if (!$smtp_connection) {
$_SESSION['return'][] = array(
'type' => 'warning',
'log' => array(__FUNCTION__, $_action, $_data_log),
'msg' => 'Cannot connect to Postfix'
);
return false;
}
for ($i=0; $i < count($postfix_talk); $i++) {
$smtp_resource = fgets($smtp_connection, 256);
if (substr($smtp_resource, 0, 3) !== $postfix_talk[$i][0]) {
$ret = substr($smtp_resource, 0, 3);
$ret = (empty($ret)) ? '-' : $ret;
$_SESSION['return'][] = array(
'type' => 'warning',
'log' => array(__FUNCTION__, $_action, $_data_log),
'msg' => 'Postfix returned SMTP code ' . $smtp_resource . ', expected ' . $postfix_talk[$i][0]
);
return false;
}
if ($postfix_talk[$i][1] !== '') {
fputs($smtp_connection, $postfix_talk[$i][1]);
}
}
fclose($smtp_connection);
}
try {
$stmt = $pdo->prepare("DELETE FROM `quarantine` WHERE `id` = :id");
$stmt->execute(array(
':id' => $id
));
}
catch (PDOException $e) {
$_SESSION['return'][] = array(
'type' => 'danger',
'log' => array(__FUNCTION__, $_action, $_data_log),
'msg' => array('mysql_error', $e)
);
continue;
}
$_SESSION['return'][] = array(
'type' => 'success',
'log' => array(__FUNCTION__, $_action, $_data_log),
'msg' => array('item_released', $id)
);
}
}
elseif ($_data['action'] == 'learnspam') {
if (!is_array($_data['id'])) {
$ids = array();
$ids[] = $_data['id'];
}
else {
$ids = $_data['id'];
}
foreach ($ids as $id) {
if (!is_numeric($id)) {
$_SESSION['return'][] = array(
'type' => 'danger',
'log' => array(__FUNCTION__, $_action, $_data_log),
'msg' => 'access_denied'
);
continue;
}
$stmt = $pdo->prepare('SELECT `msg`, `rcpt` FROM `quarantine` WHERE `id` = :id');
$stmt->execute(array(':id' => $id));
$row = $stmt->fetch(PDO::FETCH_ASSOC);
if (!hasMailboxObjectAccess($_SESSION['mailcow_cc_username'], $_SESSION['mailcow_cc_role'], $row['rcpt']) && $_SESSION['mailcow_cc_role'] != 'admin') {
$_SESSION['return'][] = array(
'type' => 'danger',
'msg' => 'access_denied'
);
continue;
}
$curl = curl_init();
curl_setopt($curl, CURLOPT_UNIX_SOCKET_PATH, '/var/lib/rspamd/rspamd.sock');
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl, CURLOPT_POST, 1);
curl_setopt($curl, CURLOPT_TIMEOUT, 30);
curl_setopt($curl, CURLOPT_HTTPHEADER, array('Content-Type: text/plain'));
curl_setopt($curl, CURLOPT_URL,"http://rspamd/learnspam");
curl_setopt($curl, CURLOPT_POSTFIELDS, $row['msg']);
$response = curl_exec($curl);
if (!curl_errno($curl)) {
$response = json_decode($response, true);
if (isset($response['error'])) {
if (stripos($response['error'], 'already learned') === false) {
$_SESSION['return'][] = array(
'type' => 'danger',
'log' => array(__FUNCTION__),
'msg' => array('spam_learn_error', $response['error'])
);
continue;
}
}
curl_close($curl);
$curl = curl_init();
curl_setopt($curl, CURLOPT_UNIX_SOCKET_PATH, '/var/lib/rspamd/rspamd.sock');
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl, CURLOPT_POST, 1);
curl_setopt($curl, CURLOPT_TIMEOUT, 30);
curl_setopt($curl, CURLOPT_HTTPHEADER, array('Content-Type: text/plain', 'Flag: 11'));
curl_setopt($curl, CURLOPT_URL,"http://rspamd/fuzzyadd");
curl_setopt($curl, CURLOPT_POSTFIELDS, $row['msg']);
$response = curl_exec($curl);
if (!curl_errno($curl)) {
$response = json_decode($response, true);
if (isset($response['error'])) {
$_SESSION['return'][] = array(
'type' => 'warning',
'log' => array(__FUNCTION__),
'msg' => array('fuzzy_learn_error', $response['error'])
);
}
curl_close($curl);
try {
$stmt = $pdo->prepare("DELETE FROM `quarantine` WHERE `id` = :id");
$stmt->execute(array(
':id' => $id
));
}
catch (PDOException $e) {
$_SESSION['return'][] = array(
'type' => 'danger',
'log' => array(__FUNCTION__, $_action, $_data_log),
'msg' => array('mysql_error', $e)
);
continue;
}
$_SESSION['return'][] = array(
'type' => 'success',
'log' => array(__FUNCTION__),
'msg' => array('qlearn_spam', $id)
);
continue;
}
else {
curl_close($curl);
$_SESSION['return'][] = array(
'type' => 'danger',
'log' => array(__FUNCTION__),
'msg' => array('spam_learn_error', 'Curl: ' . curl_strerror(curl_errno($curl)))
);
continue;
}
curl_close($curl);
$_SESSION['return'][] = array(
'type' => 'danger',
'log' => array(__FUNCTION__),
'msg' => array('learn_spam_error', 'unknown')
);
continue;
}
else {
$_SESSION['return'][] = array(
'type' => 'danger',
'log' => array(__FUNCTION__),
'msg' => array('spam_learn_error', 'Curl: ' . curl_strerror(curl_errno($curl)))
);
curl_close($curl);
continue;
}
curl_close($curl);
$_SESSION['return'][] = array(
'type' => 'danger',
'log' => array(__FUNCTION__),
'msg' => array('learn_spam_error', 'unknown')
);
continue;
}
}
return true;
break;
case 'get':
if ($_SESSION['mailcow_cc_role'] == "user") {
$stmt = $pdo->prepare('SELECT `id`, `qid`, `subject`, LOCATE("VIRUS_FOUND", `symbols`) AS `virus_flag`, `rcpt`, `sender`, UNIX_TIMESTAMP(`created`) AS `created` FROM `quarantine` WHERE `rcpt` = :mbox');
$stmt->execute(array(':mbox' => $_SESSION['mailcow_cc_username']));
$rows = $stmt->fetchAll(PDO::FETCH_ASSOC);
while($row = array_shift($rows)) {
$q_meta[] = $row;
}
}
elseif ($_SESSION['mailcow_cc_role'] == "admin") {
$stmt = $pdo->query('SELECT `id`, `qid`, `subject`, LOCATE("VIRUS_FOUND", `symbols`) AS `virus_flag`, `rcpt`, `sender`, UNIX_TIMESTAMP(`created`) AS `created` FROM `quarantine`');
$rows = $stmt->fetchAll(PDO::FETCH_ASSOC);
while($row = array_shift($rows)) {
$q_meta[] = $row;
}
}
else {
$domains = array_merge(mailbox('get', 'domains'), mailbox('get', 'alias_domains'));
foreach ($domains as $domain) {
$stmt = $pdo->prepare('SELECT `id`, `qid`, `subject`, LOCATE("VIRUS_FOUND", `symbols`) AS `virus_flag`, `rcpt`, `sender`, UNIX_TIMESTAMP(`created`) AS `created` FROM `quarantine` WHERE `rcpt` REGEXP :domain');
$stmt->execute(array(':domain' => '@' . $domain . '$'));
$rows = $stmt->fetchAll(PDO::FETCH_ASSOC);
while($row = array_shift($rows)) {
$q_meta[] = $row;
}
}
}
return $q_meta;
break;
case 'settings':
try {
if ($_SESSION['mailcow_cc_role'] == "admin") {
$settings['exclude_domains'] = json_decode($redis->Get('Q_EXCLUDE_DOMAINS'), true);
}
$settings['max_size'] = $redis->Get('Q_MAX_SIZE');
$settings['retention_size'] = $redis->Get('Q_RETENTION_SIZE');
$settings['release_format'] = $redis->Get('Q_RELEASE_FORMAT');
$settings['subject'] = $redis->Get('Q_SUBJECT');
$settings['sender'] = $redis->Get('Q_SENDER');
$settings['html'] = htmlspecialchars($redis->Get('Q_HTML'));
if (empty($settings['html'])) {
$settings['html'] = htmlspecialchars(file_get_contents("/templates/quarantine.tpl"));
}
}
catch (RedisException $e) {
$_SESSION['return'][] = array(
'type' => 'danger',
'log' => array(__FUNCTION__, $_action, $_data_log),
'msg' => array('redis_error', $e)
);
return false;
}
return $settings;
break;
case 'details':
if (!is_numeric($_data) || empty($_data)) {
return false;
}
$stmt = $pdo->prepare('SELECT `rcpt`, `symbols`, `msg`, `domain` FROM `quarantine` WHERE `id`= :id');
$stmt->execute(array(':id' => $_data));
$row = $stmt->fetch(PDO::FETCH_ASSOC);
if (hasMailboxObjectAccess($_SESSION['mailcow_cc_username'], $_SESSION['mailcow_cc_role'], $row['rcpt'])) {
return $row;
}
return false;
break;
}
}