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<?php /** * Code related to the auditlogs.lib.php interface. * * PHP version 5 * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ if (!defined('SUCURISCAN_INIT') || SUCURISCAN_INIT !== true) { if (!headers_sent()) { /* Report invalid access if possible. */ header('HTTP/1.1 403 Forbidden'); } exit(1); } /** * Lists the logs collected by the API service. * * @category Library * @package Sucuri * @subpackage SucuriScanner * @author Daniel Cid <dcid@sucuri.net> * @copyright 2010-2018 Sucuri Inc. * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL2 * @link https://wordpress.org/plugins/sucuri-scanner */ class SucuriScanAuditLogs { /** * Print a HTML code with the content of the logs audited by the remote Sucuri * API service, this page is part of the monitoring tool. * * @return string HTML with the audit logs page. */ public static function pageAuditLogs() { $params = array(); $params['AuditLogs.Lifetime'] = SUCURISCAN_AUDITLOGS_LIFETIME; return SucuriScanTemplate::getSection('auditlogs', $params); } /** * Generates the HTML snippet for the audit log filters. * * This method constructs the HTML code for the audit log filters, including * select dropdowns for various filter options and date input fields for custom date ranges. * * @param array $frontend_filter The currently applied filters from the frontend. * * @return string The HTML code containing the filters. */ private static function getFiltersSnippet($frontend_filter) { $filters_snippet = ''; $filters = SucuriScanAPI::getFilters(); foreach ($filters as $filter => $options) { $filter_options = ''; if ($filter === 'startDate' || $filter === 'endDate') { $date = isset($frontend_filter[$filter]) ? $frontend_filter[$filter] : ''; $filters_snippet .= '<input type="date" id="' . esc_attr($filter) . '" name="' . esc_attr($filter . 'Filter') . '" value="' . esc_attr($date) . '">'; continue; } foreach ($options as $value => $option) { $label = $option['label']; $selected = (isset($frontend_filter[$filter]) && $frontend_filter[$filter] === $value) ? ' selected' : ''; $filter_options .= '<option value="' . esc_attr($value) . '" ' . $selected . '>' . esc_html($label) . '</option>'; } $option_data = array( 'AuditLog.FilterName' => esc_attr($filter), 'AuditLog.FilterOptions' => $filter_options, ); $filters_snippet .= SucuriScanTemplate::getSnippet('auditlogs-filter', $option_data); } $filters_data = array( 'AuditLog.Filters' => $filters_snippet, ); return SucuriScanTemplate::getSnippet('auditlogs-filters', $filters_data); } /** * Gets the security logs from the API service. * * To reduce the amount of queries to the API this method will cache the logs * for a short period of time enough to give the service a rest. Once the * cache expires the method will communicate with the API once again to get * a fresh copy of the new logs. The cache is skipped when the user clicks * around the pagination. * * Additionally, if the API key has not been added but the website owner has * enabled the security log exporter, the method will retrieve the logs from * the local server with the limitation that only the latest entries in the * file will be processed. * * @codeCoverageIgnore - Notice that there is a test case that covers this * code, but since the WP-Send-JSON method uses die() to stop any further * output it means that XDebug cannot cover the next line, leaving a report * with a missing line in the coverage. Since the test case takes care of * the functionality of this code we will assume that it is fully covered. * * @return void */ public static function ajaxAuditLogs() { if (SucuriScanRequest::post('form_action') !== 'get_audit_logs') { return; } $response = array(); $response['count'] = 0; $response['status'] = ''; $response['content'] = ''; $response['queueSize'] = 0; $response['pagination'] = ''; $response['selfhosting'] = false; $response['filters'] = ''; $response['filtersStatus'] = ''; /* initialize the values for the pagination */ $maxPerPage = SUCURISCAN_AUDITLOGS_PER_PAGE; $pageNumber = SucuriScanTemplate::pageNumber(); $logsLimit = ($pageNumber * $maxPerPage); /* Initialize filter values */ $filters = array(); if (SucuriScanRequest::get('time')) { $filters['time'] = SucuriScanRequest::get('time'); if ($filters['time'] === 'custom') { $filters['startDate'] = SucuriScanRequest::get('startDate'); $filters['endDate'] = SucuriScanRequest::get('endDate'); } } $filter_keys = array('posts', 'logins', 'users', 'plugins'); foreach ($filter_keys as $key) { if (SucuriScanRequest::get($key)) { $filters[$key] = SucuriScanRequest::get($key); } } if (!empty($filters)) { $response['filtersStatus'] = 'active'; } $response['filters'] = self::getFiltersSnippet($filters); /* Get data from the cache if possible. */ $errors = ''; /* no errors so far */ $cache = new SucuriScanCache('auditlogs'); $auditlogs = $cache->get('response', SUCURISCAN_AUDITLOGS_LIFETIME, 'array'); $cacheTheResponse = false; /* cache if the data comes from the API */ /* API call if cache is invalid. */ if (!$auditlogs || $pageNumber !== 1) { ob_start(); $start = microtime(true); $cacheTheResponse = true; $auditlogs = SucuriScanAPI::getAuditLogs($logsLimit, $filters); $errors = ob_get_contents(); /* capture errors */ $duration = microtime(true) - $start; ob_end_clean(); /* report latency in the API calls */ if (!is_array($auditlogs)) { $response['status'] = __('API is not available; using local queue', 'sucuri-scanner'); } else { $response['status'] = sprintf(__('API %s secs', 'sucuri-scanner'), round($duration, 4)); } } /* stop everything and report errors */ if (!empty($errors)) { $response['content'] .= $errors; } /* Cache the data for some time. */ if ($cacheTheResponse && $auditlogs && empty($errors)) { $cache->add('response', $auditlogs); } /* merge the logs from the queue system */ $queuelogs = SucuriScanAPI::getAuditLogsFromQueue($filters); if (is_array($queuelogs) && !empty($queuelogs)) { if (!$auditlogs || empty($auditlogs)) { $auditlogs = $queuelogs; } else { $auditlogs['output'] = array_merge( $queuelogs['output'], @$auditlogs['output'] ); $auditlogs['output_data'] = array_merge( $queuelogs['output_data'], @$auditlogs['output_data'] ); if (isset($auditlogs['total_entries'])) { $auditlogs['total_entries'] = $auditlogs['total_entries'] + $queuelogs['total_entries']; } else { $auditlogs['total_entries'] = $queuelogs['total_entries']; } } } if (!is_array($auditlogs) || !isset($auditlogs['output_data']) || !isset($auditlogs['total_entries']) || !is_array($auditlogs['output_data']) || !is_numeric($auditlogs['total_entries']) || empty($auditlogs['output_data']) ) { $response['content'] = __('There are no logs.', 'sucuri-scanner'); wp_send_json($response, 200); return; } $counter_i = 0; $previousDate = ''; $outdata = (array)$auditlogs['output_data']; $todaysDate = SucuriScan::datetime(null, 'M d, Y'); $iterator_start = ($pageNumber - 1) * $maxPerPage; $total_items = count($outdata); usort($outdata, array('SucuriScanAuditLogs', 'sortByDate')); for ($i = $iterator_start; $i < $total_items; $i++) { if ($counter_i > $maxPerPage) { break; } if (!isset($outdata[$i])) { continue; } $audit_log = (array)$outdata[$i]; if (strpos($audit_log['message'], ";\x20password:")) { $idx = strpos($audit_log['message'], ";\x20password:"); $audit_log['message'] = substr($audit_log['message'], 0, $idx); } $snippet_data = array( 'AuditLog.Event' => $audit_log['event'], 'AuditLog.Time' => SucuriScan::datetime($audit_log['timestamp'], 'H:i'), 'AuditLog.Date' => SucuriScan::datetime($audit_log['timestamp'], 'M d, Y'), 'AuditLog.Username' => $audit_log['username'], 'AuditLog.Address' => $audit_log['remote_addr'], 'AuditLog.Message' => $audit_log['message'], 'AuditLog.Extra' => '', ); $date_data = self::getAuditLogDate($snippet_data['AuditLog.Date'], $previousDate, $todaysDate); $snippet_data['AuditLog.Date'] = $date_data['date']; $previousDate = $date_data['previousDate']; /* print every file_list information item in a separate table */ if ($audit_log['file_list']) { $snippet_data['AuditLog.Extra'] .= '<ul class="sucuriscan-list-as-table">'; foreach ($audit_log['file_list'] as $log_extra) { $snippet_data['AuditLog.Extra'] .= '<li>' . SucuriScan::escape($log_extra) . '</li>'; } $snippet_data['AuditLog.Extra'] .= '</ul>'; } /* simplify the details of events with low metadata */ if (strpos($audit_log['message'], __('status has been changed', 'sucuri-scanner'))) { $snippet_data['AuditLog.Extra'] = implode(",\x20", $audit_log['file_list']); } $response['content'] .= SucuriScanTemplate::getSnippet('auditlogs', $snippet_data); $counter_i += 1; } $response['count'] = $counter_i; if ($total_items > 1) { $maxpages = ceil($total_items / $maxPerPage); if ($maxpages > SUCURISCAN_MAX_PAGINATION_BUTTONS) { $maxpages = SUCURISCAN_MAX_PAGINATION_BUTTONS; } if ($maxpages > 1) { $response['pagination'] = SucuriScanTemplate::pagination( SucuriScanTemplate::getUrl(), ($maxPerPage * $maxpages), $maxPerPage, $filters ); } } $response['queueSize'] = $auditlogs['total_entries']; wp_send_json($response, 200); } /** * Send the logs from the queue to the API. * * @codeCoverageIgnore - Notice that there is a test case that covers this * code, but since the WP-Send-JSON method uses die() to stop any further * output it means that XDebug cannot cover the next line, leaving a report * with a missing line in the coverage. Since the test case takes care of * the functionality of this code we will assume that it is fully covered. * * @return void */ public static function ajaxAuditLogsSendLogs() { if (SucuriScanRequest::post('form_action') !== 'auditlogs_send_logs') { return; } /* blocking; might take a while */ wp_send_json(SucuriScanEvent::sendLogsFromQueue(), 200); } /** * Sort the audit logs by date. * * Considering that the logs from the API service will be merged with the * logs from the local queue system to complement the information until the * queue is emptied, we will have to sort the entries in the list to keep * the dates in sync. * * @param array $a Data associated to a single log. * @param array $b Data associated to another log. * @return int Comparison between the dates of both logs. */ public static function sortByDate($a, $b) { if ($a['timestamp'] === $b['timestamp']) { return 0; } return ($a['timestamp'] > $b['timestamp']) ? -1 : 1; } /** * @param array $snippet_data * @param mixed $previousDate * @param mixed $todaysDate * @return array */ public static function getAuditLogDate($date = '', $previousDate = '', $todaysDate = '') { // Since we're iterating over the logs, we need to keep track of the // previous date to determine if we need to print the date again. // This serves as a visual separator between the logs. if ($date === $previousDate) { $date = ''; } elseif ($date === $todaysDate) { $previousDate = $date; $date = __('Today', 'sucuri-scanner'); } else { $previousDate = $date; } if (!empty($date)) { $date = '<div class="sucuriscan-auditlog-date">' . $date . '</div>'; } return array( 'date' => $date, 'previousDate' => $previousDate, ); } }
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