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50 lines
1.5 KiB
50 lines
1.5 KiB
4 weeks ago
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<?php
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/**
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* Plugin to integrate Roundcube into Mailcow-Dockerizeds' Fail2Ban
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*
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* @version 1.0
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* @author Snep <snep@diskcat.com>
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* @license MIT
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* @url https://git.diskcat.com/Resneptacle/roundcube-mailcow-dockerized-fail2ban
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*
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* Inspired by https://github.com/mattrude/rc-plugin-fail2ban
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*/
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class mailcow_f2b extends rcube_plugin {
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function init () {
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$this -> add_hook ('login_failed', [ $this, 'log_failed_attempt' ]);
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}
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function log_failed_attempt ($args) {
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// Try to get Redis connection data from Roundcube config
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$redis_host = rcmail::get_instance () -> config -> get ('mailcow_f2b_redis_host');
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$redis_port = rcmail::get_instance () -> config -> get ('mailcow_f2b_redis_port');
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// Use MailCow defaults for Redis connection if not set in Roundcube config
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if (is_null ($redis_host)) $redis_host = "redis-mailcow";
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if (is_null ($redis_port)) $redis_port = 6379;
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$log_entry = "roundcube: failed login from {$_SERVER['REMOTE_ADDR']} for user {$args['user']}";
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// Write log entry to PHP error log
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error_log ("{$log_entry}\n");
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// Open Redis connection
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$redis = new Redis ();
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try {
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$redis -> connect ($redis_host, $redis_port);
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} catch (Exception $e) {
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error_log ("roundcube: failed to connect to redis database at {$redis_host}:{$redis_port} because " . $e -> getMessage () . "\n");
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}
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// Write log entry to Redis DB
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$redis -> publish ("F2B_CHANNEL", $log_entry);
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// Close Redis connection
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$redis -> close ();
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}
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}
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