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<?php /** * WP fail2ban main file * * @package wp-fail2ban * @since 4.0.0 / namespace org\lecklider\charles\wordpress\wp_fail2ban; defined('ABSPATH') or exit; require_once __DIR__.'/lib/constants.php'; // @wpf2b exclude[lite] require_once __DIR__.'/lib/convert-data.php'; // @wpf2b exclude[lite] require_once __DIR__.'/lib/defaults.php'; require_once __DIR__.'/lib/activation.php'; require_once __DIR__.'/lib/loader.php'; require_once __DIR__.'/core.php'; require_once __DIR__.'/feature/comments.php'; require_once __DIR__.'/feature/password.php'; require_once __DIR__.'/feature/plugins.php'; require_once __DIR__.'/feature/spam.php'; require_once __DIR__.'/feature/user-enum.php'; require_once __DIR__.'/feature/user.php'; require_once __DIR__.'/feature/xmlrpc.php'; /* * Helper. * * @since 4.3.0 * * @param mixed $key * @param array $ary * @return mixed\|null Array value if present, null otherwise. / function array_value($key, array $ary) { return (array_key_exists($key, $ary)) ? $ary[$key] : null; } /* * Wrapper for \openlog * * @since 3.5.0 Refactored for unit testing * * @param string $log / function openlog($log = 'WP_FAIL2BAN_AUTH_LOG') { $tag = (defined('WP_FAIL2BAN_SYSLOG_SHORT_TAG') && true === WP_FAIL2BAN_SYSLOG_SHORT_TAG) ? 'wp' // @codeCoverageIgnore : 'wordpress'; $host = (array_key_exists('WP_FAIL2BAN_HTTP_HOST', $_ENV)) ? $_ENV['WP_FAIL2BAN_HTTP_HOST'] // @codeCoverageIgnore : $_SERVER['HTTP_HOST']; if (is_multisite() && !SUBDOMAIN_INSTALL) { /* * @todo Test me! / // @codeCoverageIgnoreStart if (!is_main_site()) { $blog = get_blog_details(get_current_blog_id(), false); $host .= '/'.trim($blog->path, '/'); } // @codeCoverageIgnoreEnd } /* * Some varieties of syslogd have difficulty if $host is too long * @since 3.5.0 / if (defined('WP_FAIL2BAN_TRUNCATE_HOST') && 1 < intval(WP_FAIL2BAN_TRUNCATE_HOST)) { $host = substr($host, 0, intval(WP_FAIL2BAN_TRUNCATE_HOST)); } /* * Refactor for unit testing. * @since 4.3.0 / $options = (defined('WP_FAIL2BAN_OPENLOG_OPTIONS')) ? WP_FAIL2BAN_OPENLOG_OPTIONS // @codeCoverageIgnore : null; $ident = "$tag($host)"; if (true !== apply_filters(__FUNCTION__, true, $ident, $options, constant($log))) { return true; // @codeCoverageIgnore } elseif (false === \openlog($ident, $options, constant($log))) { error_log('WPf2b: Cannot open syslog', 0); // @codeCoverageIgnore } elseif (defined('WP_FAIL2BAN_TRACE')) { error_log('WPf2b: Opened syslog', 0); // @codeCoverageIgnore } else { return true; } } // @codeCoverageIgnore /* * Wrapper for \syslog * * @since 3.5.0 * * @param int $level * @param string $msg * @param string\|null $remote_addr / function syslog($level, $msg, $remote_addr = null) { if (true === apply_filters(__FUNCTION__, true, $level, $msg, $remote_addr)) { $msg .= ' from '; $msg .= (is_null($remote_addr)) ? remote_addr() : $remote_addr; if (false === \syslog($level, $msg)) { error_log("WPf2b: Cannot write to syslog: '{$msg}'", 0); // @codeCoverageIgnore } elseif (defined('WP_FAIL2BAN_TRACE')) { error_log("WPf2b: Wrote to syslog: '{$msg}'", 0); // @codeCoverageIgnore } } if (defined('PHPUNIT_COMPOSER_INSTALL')) { echo "$level\|$msg"; } /* * @since 4.3.0 / if (!defined('WP_FAIL2BAN_DISABLE_LAST_LOG') \|\| true !== WP_FAIL2BAN_DISABLE_LAST_LOG) { if (!is_array($last_messages = get_site_option('wp-fail2ban-messages', []))) { $last_messages = []; } $message = [ 'dt' => gmdate('Y-m-d H:i:s'), 'lvl' => ConvertData::intToSyslogPriorityName($level), 'msg' => $msg ]; array_unshift($last_messages, $message); while (5 < count($last_messages)) { array_pop($last_messages); // @codeCoverageIgnore } update_site_option('wp-fail2ban-messages', $last_messages); } } /* * Wrapper for \closelog * * @since 4.3.0 / function closelog() { if (true === apply_filters(__FUNCTION__, true)) { \closelog(); } } /* * Graceful immediate exit * * @since 4.3.0 Remove JSON support * @since 4.0.5 Add JSON support * @since 3.5.0 Refactored for unit testing * * @param bool $is_json * * @SuppressWarnings(PHPMD.ExitExpression) / function bail() { if (false === apply_filters(__FUNCTION__, true)) { return false; // @codeCoverageIgnore } \wp_die('Forbidden', 'Forbidden', array('exit' => false, 'response' => 403)); if (defined('PHPUNIT_COMPOSER_INSTALL')) { return false; // for testing } else { exit; // @codeCoverageIgnore } } /* * Compute remote IP address * * @return string * * @todo Test me! * @codeCoverageIgnore / function remote_addr() { static $remote_addr = null; /* * @since 4.0.0 / if (is_null($remote_addr)) { if (defined('WP_FAIL2BAN_PROXIES')) { if (array_key_exists('HTTP_X_FORWARDED_FOR', $_SERVER)) { $ip = ip2long($_SERVER['REMOTE_ADDR']); /* * PHP 7 lets you define an array * @since 3.5.4 / $proxies = (is_array(WP_FAIL2BAN_PROXIES)) ? WP_FAIL2BAN_PROXIES : explode(',', WP_FAIL2BAN_PROXIES); foreach ($proxies as $proxy) { if ('#' == $proxy[0]) { continue; } elseif (2 == count($cidr = explode('/', $proxy))) { $net = ip2long($cidr[0]); $mask = ~ ( pow(2, (32 - $cidr[1])) - 1 ); } else { $net = ip2long($proxy); $mask = -1; } if ($net == ($ip & $mask)) { return (false === ($len = strpos($_SERVER['HTTP_X_FORWARDED_FOR'], ','))) ? $_SERVER['HTTP_X_FORWARDED_FOR'] : substr($_SERVER['HTTP_X_FORWARDED_FOR'], 0, $len); } } } } /* * For plugins and themes that anonymise requests * @since 3.6.0 */ $remote_addr = (defined('WP_FAIL2BAN_REMOTE_ADDR')) ? WP_FAIL2BAN_REMOTE_ADDR : $_SERVER['REMOTE_ADDR']; } return $remote_addr; }

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