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<?php namespace WP_Rocket\Admin; use WP_Rocket\Logger\Logger; use WP_Rocket\Event_Management\Subscriber_Interface; defined( 'ABSPATH' ) || exit; /** * Class that handles few things about the logs. * * @since 3.1.4 * @author Grégory Viguier */ class Logs implements Subscriber_Interface { /** * Returns an array of events that this subscriber wants to listen to. * * @since 3.1.4 * @access public * @author Grégory Viguier * * @return array */ public static function get_subscribed_events() { return [ 'pre_update_option_' . WP_ROCKET_SLUG => [ 'enable_debug', 10, 2 ], 'admin_post_rocket_download_debug_file' => 'download_debug_file', 'admin_post_rocket_delete_debug_file' => 'delete_debug_file', ]; } /** ----------------------------------------------------------------------------------------- */ /** DEBUG ACTIVATION ======================================================================== */ /** ----------------------------------------------------------------------------------------- */ /** * Enable or disable the debug mode when settings are saved. * * @since 3.1.4 * @access public * @author Grégory Viguier * * @param array $newvalue An array of submitted options values. * @param array $oldvalue An array of previous options values. * @return array Updated submitted options values. */ public function enable_debug( $newvalue, $oldvalue ) { if ( empty( $_POST ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Missing return $newvalue; } if ( ! empty( $newvalue['debug_enabled'] ) ) { Logger::enable_debug(); } else { Logger::disable_debug(); } unset( $newvalue['debug_enabled'] ); return $newvalue; } /** ----------------------------------------------------------------------------------------- */ /** ADMIN POST CALLBACKS ==================================================================== */ /** ----------------------------------------------------------------------------------------- */ /** * Download the log file. * * @since 3.1.4 * @access public * @author Grégory Viguier */ public function download_debug_file() { if ( ! $this->verify_nonce( 'download_debug_file' ) ) { wp_nonce_ays( '' ); } if ( ! $this->current_user_can() ) { $this->redirect(); } $contents = Logger::get_log_file_contents(); if ( is_wp_error( $contents ) ) { add_settings_error( 'general', $contents->get_error_code(), $contents->get_error_message(), 'error' ); set_transient( 'settings_errors', get_settings_errors(), 30 ); $this->redirect( add_query_arg( 'settings-updated', 1, wp_get_referer() ) ); } $file_name = Logger::get_log_file_path(); $file_name = basename( $file_name, '.log' ) . Logger::get_log_file_extension(); nocache_headers(); @header( 'Content-Type: text/x-log' ); @header( 'Content-Disposition: attachment; filename="' . $file_name . '"' ); @header( 'Content-Transfer-Encoding: binary' ); @header( 'Content-Length: ' . strlen( $contents ) ); @header( 'Connection: close' ); echo $contents; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped exit(); } /** * Delete the log file. * * @since 3.1.4 * @access public * @author Grégory Viguier */ public function delete_debug_file() { if ( ! $this->verify_nonce( 'delete_debug_file' ) ) { wp_nonce_ays( '' ); } if ( ! $this->current_user_can() ) { $this->redirect(); } if ( ! Logger::delete_log_file() ) { add_settings_error( 'general', 'debug_file_not_deleted', __( 'The debug file could not be deleted.', 'rocket' ), 'error' ); set_transient( 'settings_errors', get_settings_errors(), 30 ); $this->redirect( add_query_arg( 'settings-updated', 1, wp_get_referer() ) ); } // Done. $this->redirect(); } /** ----------------------------------------------------------------------------------------- */ /** TOOLS =================================================================================== */ /** ----------------------------------------------------------------------------------------- */ /** * Verify the nonce sent in $_GET['_wpnonce']. * * @since 3.1.4 * @access protected * @author Grégory Viguier * * @param string $nonce_name The nonce name. * @return bool */ protected function verify_nonce( $nonce_name ) { return isset( $_GET['_wpnonce'] ) && wp_verify_nonce( $_GET['_wpnonce'], $nonce_name ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized, WordPress.Security.ValidatedSanitizedInput.MissingUnslash } /** * Tell if the current user can operate. * * @since 3.1.4 * @access protected * @author Grégory Viguier * * @return bool */ protected function current_user_can() { return current_user_can( 'rocket_manage_options' ); } /** * Redirect the user. * * @since 3.1.4 * @access protected * @author Grégory Viguier * * @param string $redirect URL to redirect the user to. */ protected function redirect( $redirect = null ) { if ( empty( $redirect ) ) { $redirect = wp_get_referer(); } wp_safe_redirect( esc_url_raw( $redirect ) ); die(); } }