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<?php /** * File: class-boldgrid-backup-admin-folder-exclusion.php * * @link https://www.boldgrid.com * @since 1.6.0 * * @package Boldgrid_Backup * @subpackage Boldgrid_Backup/admin * @copyright BoldGrid * @version $Id$ * @author BoldGrid <support@boldgrid.com> / // phpcs:disable WordPress.VIP, WordPress.CSRF.NonceVerification.NoNonceVerification /* * Class: Boldgrid_Backup_Admin_Folder_Exclusion * * @since 1.6.0 / class Boldgrid_Backup_Admin_Folder_Exclusion { /* * The default exclude value. * * @since 1.6.0 * @var string / public $default_exclude = '.git,node_modules,wp-content/cache'; /* * The default include value. * * @since 1.6.0 * @var string / public $default_include = 'WPCORE,/wp-content'; /* * By default, backup all files and folders (use default settings). * * @since 1.6.0 * @var string / public $default_type = 'full'; /* * Our exclude value. * * @since 1.6.0 * @var string\|null / public $exclude = null; /* * Our include value. * * @since 1.6.0 * @var string\|null / public $include = null; /* * Whether or not we're in the ajax preview. * * @since 1.6.0 * @var bool / public $in_ajax_preview = false; /* * Filename of our restore-info.json file. * * @since 1.14.10 * @var string / public $restore_info_filename; /* * Determine the type of backup we are performing. * * Usually it will be 'full' or 'custom'. * * @since 1.6.0 * @var null\|string / public $type = null; /* * Allowable types. * * @since 1.6.0 * @var array / public $types = array( 'include', 'exclude', 'type' ); /* * Valid backup types. * * @since 1.6.0 * @var array / public $valid_types = array( 'full', 'custom' ); /* * The core class object. * * @since 1.6.0 * @access private * @var Boldgrid_Backup_Admin_Core / private $core; /* * Constructor. * * @since 1.6.0 * * @param Boldgrid_Backup_Admin_Core $core Core class object. / public function __construct( $core ) { $this->core = $core; /* * Allow the filtering of the default include and exclude settings. * * As of 1.6.0, the backup plugin is not yet "properly" designed to * allow for these settings to be filtered. Yes, these filters below are * being ran, however they're being ran in the constructor. The only * plugins we can guarantee that will be able to hook into these filters * are mu-plugins. One possible scenario this would be used is an mu-plugin * hooking into these filters to ensure "mu-plugins" are excluded from * backups. * * @since 1.6.0 * * @param string $this->default_include Default include values. / $this->default_include = apply_filters( 'boldgrid_backup_default_folder_include', $this->default_include ); $this->default_exclude = apply_filters( 'boldgrid_backup_default_folder_exclude', $this->default_exclude ); // Set in the constructor so as to prevent excessive calls in self::allow_file. $this->restore_info_filename = basename( \Boldgrid\Backup\Cli\Info::get_results_filepath() ); } /* * Determine if we should allow a file in the backup. * * @since 1.6.0 * * @param string $file File path. * @return bool / public function allow_file( $file ) { // If this file is in our backup directory, do not allow it. if ( $this->core->backup_dir->file_in_dir( ABSPATH . $file, true ) ) { return false; } // Do not allow the "cron/restore-info.json" file used for emergency restorations. if ( $this->is_match( 'cron/' . $this->restore_info_filename, $file ) ) { return false; } if ( $this->is_banned( $file ) ) { return false; } // Get comma-delimited lists from user input or settings. Sanitizing is done below. $include = $this->in_ajax_preview ? $_POST['include'] : $this->from_settings( 'include' ); $exclude = $this->in_ajax_preview ? $_POST['exclude'] : $this->from_settings( 'exclude' ); // Convert comma-delimited strings to arrays, and sanitize (also trim whitespace). $includes = array_map( 'sanitize_text_field', explode( ',', $include ) ); $excludes = array_map( 'sanitize_text_field', explode( ',', $exclude ) ); // Default values, include everything and exclude nothing. $is_match_include = false; $is_match_exclude = false; foreach ( $includes as $include ) { if ( $this->is_match( $include, $file ) ) { $is_match_include = true; } } // If we're not including this file, we don't need to check excludes. if ( ! $is_match_include ) { return false; } // If the user left "excludes" blank, then we're not excluding anything. if ( empty( $exclude ) ) { return true; } foreach ( $excludes as $exclude ) { if ( $this->is_match( $exclude, $file ) ) { $is_match_exclude = true; } } return ! $is_match_exclude; } /* * Generate a section for email alerts including information about files and * folders excluded. * * @since 1.6.0 * * @param array $info File and folder settings. * @return string / public function email_part( $info ) { $body = ''; $has_folder_included = isset( $info['folder_include'] ); $has_folder_excluded = isset( $info['folder_exclude'] ); if ( $has_folder_included \|\| $has_folder_excluded ) { $body .= "\n" . __( 'FILE AND FOLDER SETTINGS', 'boldgrid-backup' ) . "\n"; } if ( $has_folder_included ) { $body .= sprintf( // translators: 1: Included folder list. esc_html__( 'Included: %1$s', 'boldgrid-backup' ), $info['folder_include'] ) . "\n"; } if ( $has_folder_excluded ) { $body .= sprintf( // translators: 1: Excluded folder list. esc_html__( 'Excluded: %1$s', 'boldgrid-backup' ), $info['folder_exclude'] ) . "\n"; } return $body; } /* * Create our regex pattern. * * If the user enters wp-* for their include / exclude value, then we need * to convert that into a proper regex pattern. * * When we look for matches, we want to keep it specific to one folder. * For example, if we're given wp-admn, the expectation is that we want to find everything within the wp-admin folder. * * To prevent this false positive: * wp-admin/images/media-button.png * wp-adm***********************ng ... we will set the wildcard to match everything except a directory separator. * * @since 1.6.0 * * @param string $value Input string. * @return string / public function create_pattern( $value ) { $first_char = substr( $value, 0, 1 ); // Clean up our value. Forward slashes will be hanlded uniquely. $value = trim( $value, ' /' ); // Escape everything except the wildcard. $value = preg_quote( $value ); $value = str_replace( '\', '', $value ); / * If the first character is a /, then assume we're requiring the $file * to be directly in the ABSPATH, and so the $file should beging with * ^$value. * * Otherwise assume our $file should begin with ^value or procede a * forward slash /$value. / $pattern = '/' === $first_char ? '#^' : '#(^\|/)'; / * To keep wildcards within a path part, ensure the wildcard matches * anything except a /. This ensure that wp-adm* matches wp-admn and not wp-admin/file.png. / $pattern .= str_replace( '', '[^/]', $value ); / * Our $file should either end with our $$value, or our $value should be * followed by a forward slash $value/. / $pattern .= '($\|/)#'; return $pattern; } /* * Enqueue scripts. * * @since 1.6.0 / public function enqueue_scripts() { $handle = 'boldgrid-backup-admin-folder-exclude'; wp_register_script( $handle, plugin_dir_url( __FILE__ ) . 'js/boldgrid-backup-admin-folder-exclude.js', array( 'jquery' ), BOLDGRID_BACKUP_VERSION, false ); $translation = array( 'default_include' => $this->default_include, 'default_exclude' => $this->default_exclude, 'items' => __( 'items', 'boldgrid-backup' ), 'no_results' => __( 'No results', 'boldgrid-backup' ), 'of' => __( 'of', 'boldgrid-backup' ), ); wp_localize_script( $handle, 'BoldGridBackupAdminFolderExclude', $translation ); wp_enqueue_script( $handle ); // Enqueue CSS for folder exclude functionality. wp_enqueue_style( $handle, plugin_dir_url( __FILE__ ) . 'css/boldgrid-backup-admin-folder-exclude.css', array(), BOLDGRID_BACKUP_VERSION ); wp_enqueue_script( 'jquery-effects-core' ); wp_enqueue_script( 'jquery-effects-bounce' ); } /* * Get our include or exclude value from the settings. * * @since 1.6.0 * * @param string $type Either 'include' or 'exclude'. * @param array $settings File and folder settings. * @return string / public function from_settings( $type, $settings = false ) { if ( ! in_array( $type, $this->types, true ) ) { return false; } $key = 'folder_exclusion_' . $type; $default = 'default_' . $type; / * Determine if we need to do a full backup. * * Scenarios include: * # We are in the middle of creating a backup file for update protection. * # We are creating a 'full' backup. * # We are creating a backup immediately before a WordPress auto update. / if ( $this->core->is_archiving_update_protection \|\| $this->core->is_backup_full \|\| $this->core->pre_auto_update ) { return $this->$default; } / * If we are backing up a site now (not for update protection) and * we've posted folder settings, use those. / if ( $this->core->is_backup_now && isset( $_POST[ $key ] ) ) { $this->$type = $this->from_post( $type ); return $this->$type; } if ( ! is_null( $this->$type ) ) { return $this->$type; } if ( $this->core->settings->is_saving_settings ) { $this->$type = $this->from_post( $type ); } elseif ( isset( $settings['folder_exclusion_type'] ) && 'full' === $settings['folder_exclusion_type'] ) { / * If the user configured "Backup all files" as the "Files and Folders" settings, then * use the default values. / $this->$default; } elseif ( isset( $settings[ $key ] ) ) { / * Is there value for this in the settings? * * Initially, we checked to make sure $settings[$key] wasn't empty and * it was a string. Now, we'll simply see if it is set. This will allow * for the user to enter nothing in the exclude field. / $this->$type = $settings[ $key ]; } elseif ( ! $settings ) { $settings = $this->core->settings->get_settings(); if ( ! empty( $settings[ $key ] ) && is_string( $settings[ $key ] ) ) { $this->$type = $settings[ $key ]; } } if ( is_null( $this->$type ) ) { $this->$type = $this->$default; } return $this->$type; } /* * Whether or not a file is banned. * * Some files are just bad for business. Files in this list won't be backed up, and the user has * no control at this time to modify. Only files we're certain should be banned, should be. * * @since 1.14.13 * * @param string $file A filepath. Not absolute, but relative to ABSPATH, such as wp-admin/css/about.css * * @return bool / public function is_banned( $filepath ) { $banned = Boldgrid_Backup_Admin::get_configs()['banned']; // @todo Allow for regular expressions in the future. return in_array( basename( $filepath ), $banned, true ); } /* * Determine if a include/exclude value matches a file. * * For example, if I pass in "wp-content" as a $value and * wp-content/file.php as a $file, it should match. If I pass in "joec" as a * $value and wp-content/file.php as a $file, it should not match. * * @param string $value Input string. * @param string $file File path relative to ABSPATH, such as: * "wp-content/plugins/boldgrid-backup/boldgrid-backup.php". * @return bool / public function is_match( $value, $file ) { if ( '' === $value ) { return true; } // Handle filtering of core WordPress files. if ( 'WPCORE' === $value ) { return $this->core->core_files->is_core_file( $file ); } /* * Convert a Windows filepath to Linux. In this method we're going to * assume that / is the directory separator. / $file = str_replace( '\\', '/', $file ); $pattern = $this->create_pattern( $value ); preg_match( $pattern, $file, $matches ); return ! empty( $matches ); } /* * Is using default settings? * * @since 1.6.0 * * @return bool / public function is_using_defaults() { $type = $this->from_settings( 'type' ); return 'full' === $type; } /* * Get our include / exclude settings from $_POST. * * @since 1.6.0 * * @param string $type Either include or exclude. * @return string / public function from_post( $type ) { if ( ! in_array( $type, $this->types, true ) ) { return false; } $key = 'folder_exclusion_' . $type; switch ( $type ) { case 'include': / * If you submit an empty "include" setting, it will be * interpreted as include all, . / $value = ! empty( $_POST[ $key ] ) ? $_POST[ $key ] : $this->default_include; break; case 'exclude': /* * You are allowed to submit a blank "exclude" setting. It means * you do not want to exclude anything. / $value = empty( $_POST[ $key ] ) ? '' : $_POST[ $key ]; break; case 'type': $value = ! empty( $_POST[ $key ] ) && in_array( $_POST[ $key ], $this->valid_types, true ) ? $_POST[ $key ] : $this->default_type; break; } $value = sanitize_text_field( $value ); return $value; } /* * Handle the ajax request to preview the filters. * * @since 1.6.0 */ public function wp_ajax_preview() { if ( ! check_ajax_referer( 'folder_exclusion_preview', 'security', false ) ) { wp_send_json_error( __( 'Invalid nonce.', 'boldgrid-backup' ) ); } $include = isset( $_POST['include'] ) ? sanitize_text_field( $_POST['include'] ) : null; $exclude = isset( $_POST['exclude'] ) ? sanitize_text_field( $_POST['exclude'] ) : null; if ( is_null( $include ) \|\| is_null( $exclude ) ) { wp_send_json_error( __( 'Invalid include / exclude values.', 'boldgrid-backup' ) ); } $this->in_ajax_preview = true; $filelist = $this->core->get_filtered_filelist(); if ( empty( $filelist ) ) { wp_send_json_error( __( 'No files match your criteria.', 'boldgrid-backup' ) ); } $markup = array(); foreach ( $filelist as $file ) { $markup[] = $file[1]; } wp_send_json_success( $markup ); } }

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