156 lines
4.5 KiB
PHP
156 lines
4.5 KiB
PHP
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<?php
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// File size is limited by Nginx site to 10M
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// To speed things up, we do not include prerequisites
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header('Content-Type: text/plain');
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require_once "vars.inc.php";
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// Do not show errors, we log to using error_log
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ini_set('error_reporting', 0);
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// Init database
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$dsn = $database_type . ':host=' . $database_host . ';dbname=' . $database_name;
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$opt = [
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PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
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PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
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PDO::ATTR_EMULATE_PREPARES => false,
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];
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try {
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$pdo = new PDO($dsn, $database_user, $database_pass, $opt);
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}
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catch (PDOException $e) {
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http_response_code(501);
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exit;
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}
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// Init Redis
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$redis = new Redis();
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$redis->connect('redis-mailcow', 6379);
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// Functions
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function parse_email($email) {
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if(!filter_var($email, FILTER_VALIDATE_EMAIL)) return false;
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$a = strrpos($email, '@');
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return array('local' => substr($email, 0, $a), 'domain' => substr(substr($email, $a), 1));
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}
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if (!function_exists('getallheaders')) {
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function getallheaders() {
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if (!is_array($_SERVER)) {
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return array();
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}
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$headers = array();
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foreach ($_SERVER as $name => $value) {
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if (substr($name, 0, 5) == 'HTTP_') {
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$headers[str_replace(' ', '-', ucwords(strtolower(str_replace('_', ' ', substr($name, 5)))))] = $value;
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}
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}
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return $headers;
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}
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}
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$raw_data = file_get_contents('php://input');
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$headers = getallheaders();
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$qid = $headers['X-Rspamd-Qid'];
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$score = $headers['X-Rspamd-Score'];
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$rcpts = $headers['X-Rspamd-Rcpt'];
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$user = $headers['X-Rspamd-User'];
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$ip = $headers['X-Rspamd-Ip'];
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$action = $headers['X-Rspamd-Action'];
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$sender = $headers['X-Rspamd-From'];
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$symbols = $headers['X-Rspamd-Symbols'];
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$raw_size = (int)$_SERVER['CONTENT_LENGTH'];
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try {
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if ($max_size = $redis->Get('Q_MAX_SIZE')) {
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if (!empty($max_size) && ($max_size * 1048576) < $raw_size) {
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error_log(sprintf("Message too large: %d exceeds %d", $raw_size, ($max_size * 1048576)));
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http_response_code(505);
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exit;
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}
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}
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if ($exclude_domains = $redis->Get('Q_EXCLUDE_DOMAINS')) {
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$exclude_domains = json_decode($exclude_domains, true);
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}
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$retention_size = (int)$redis->Get('Q_RETENTION_SIZE');
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}
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catch (RedisException $e) {
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error_log($e);
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http_response_code(504);
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exit;
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}
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$filtered_rcpts = array();
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foreach (json_decode($rcpts, true) as $rcpt) {
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$parsed_mail = parse_email($rcpt);
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if (in_array($parsed_mail['domain'], $exclude_domains)) {
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error_log(sprintf("Skipped domain %s", $parsed_mail['domain']));
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continue;
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}
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try {
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$stmt = $pdo->prepare("SELECT `goto` FROM `alias`
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WHERE
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(
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`address` = :rcpt
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OR
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`address` IN (
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SELECT username FROM mailbox, alias_domain
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WHERE (alias_domain.alias_domain = :domain_part
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AND mailbox.username = CONCAT(:local_part, '@', alias_domain.target_domain)
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AND mailbox.active = '1'
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AND alias_domain.active='1')
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)
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)
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AND `active`= '1';");
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$stmt->execute(array(
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':rcpt' => $rcpt,
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':local_part' => $parsed_mail['local'],
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':domain_part' => $parsed_mail['domain']
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));
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$gotos = $stmt->fetch(PDO::FETCH_ASSOC)['goto'];
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if (!empty($gotos)) {
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$filtered_rcpts = array_unique(array_merge($filtered_rcpts, explode(',', $gotos)));
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}
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}
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catch (PDOException $e) {
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error_log($e->getMessage());
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http_response_code(502);
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exit;
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}
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}
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foreach ($filtered_rcpts as $rcpt) {
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try {
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$stmt = $pdo->prepare("INSERT INTO `quarantaine` (`qid`, `score`, `sender`, `rcpt`, `symbols`, `user`, `ip`, `msg`, `action`)
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VALUES (:qid, :score, :sender, :rcpt, :symbols, :user, :ip, :msg, :action)");
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$stmt->execute(array(
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':qid' => $qid,
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':score' => $score,
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':sender' => $sender,
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':rcpt' => $rcpt,
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':symbols' => $symbols,
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':user' => $user,
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':ip' => $ip,
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':msg' => $raw_data,
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':action' => $action
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));
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$stmt = $pdo->prepare('DELETE FROM `quarantaine` WHERE `id` NOT IN (
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SELECT `id`
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FROM (
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SELECT `id`
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FROM `quarantaine`
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WHERE `rcpt` = :rcpt
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ORDER BY id DESC
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LIMIT :retention_size
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) x
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);');
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$stmt->execute(array(
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':rcpt' => $rcpt,
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':retention_size' => $retention_size
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));
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}
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catch (PDOException $e) {
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error_log($e->getMessage());
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http_response_code(503);
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exit;
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}
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}
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