__( 'Main Index Template' ), 'style.css' => __( 'Stylesheet' ), 'editor-style.css' => __( 'Visual Editor Stylesheet' ), 'editor-style-rtl.css' => __( 'Visual Editor RTL Stylesheet' ), 'rtl.css' => __( 'RTL Stylesheet' ), 'comments.php' => __( 'Comments' ), 'comments-popup.php' => __( 'Popup Comments' ), 'footer.php' => __( 'Footer' ), 'header.php' => __( 'Header' ), 'sidebar.php' => __( 'Sidebar' ), 'archive.php' => __( 'Archives' ), 'author.php' => __( 'Author Template' ), 'tag.php' => __( 'Tag Template' ), 'category.php' => __( 'Category Template' ), 'page.php' => __( 'Page Template' ), 'search.php' => __( 'Search Results' ), 'searchform.php' => __( 'Search Form' ), 'single.php' => __( 'Single Post' ), '404.php' => __( '404 Template' ), 'link.php' => __( 'Links Template' ), 'functions.php' => __( 'Theme Functions' ), 'attachment.php' => __( 'Attachment Template' ), 'image.php' => __('Image Attachment Template'), 'video.php' => __('Video Attachment Template'), 'audio.php' => __('Audio Attachment Template'), 'application.php' => __('Application Attachment Template'), 'my-hacks.php' => __( 'my-hacks.php (legacy hacks support)' ), '.htaccess' => __( '.htaccess (for rewrite rules )' ), // Deprecated files 'wp-layout.css' => __( 'Stylesheet' ), 'wp-comments.php' => __( 'Comments Template' ), 'wp-comments-popup.php' => __( 'Popup Comments Template' ), ); /** * Get the description for standard WordPress theme files and other various standard * WordPress files * * @since 1.5.0 * * @uses $wp_file_descriptions * @param string $file Filesystem path or filename * @return string Description of file from $wp_file_descriptions or basename of $file if description doesn't exist */ function get_file_description( $file ) { global $wp_file_descriptions; if ( isset( $wp_file_descriptions[basename( $file )] ) ) { return $wp_file_descriptions[basename( $file )]; } elseif ( file_exists( $file ) && is_file( $file ) ) { $template_data = implode( '', file( $file ) ); if ( preg_match( '|Template Name:(.*)$|mi', $template_data, $name )) return sprintf( __( '%s Page Template' ), _cleanup_header_comment($name[1]) ); } return trim( basename( $file ) ); } /** * Get the absolute filesystem path to the root of the WordPress installation * * @since 1.5.0 * * @return string Full filesystem path to the root of the WordPress installation */ function get_home_path() { $home = set_url_scheme( get_option( 'home' ), 'http' ); $siteurl = set_url_scheme( get_option( 'siteurl' ), 'http' ); if ( ! empty( $home ) && 0 !== strcasecmp( $home, $siteurl ) ) { $wp_path_rel_to_home = str_ireplace( $home, '', $siteurl ); /* $siteurl - $home */ $pos = strripos( str_replace( '\\', '/', $_SERVER['SCRIPT_FILENAME'] ), trailingslashit( $wp_path_rel_to_home ) ); $home_path = substr( $_SERVER['SCRIPT_FILENAME'], 0, $pos ); $home_path = trailingslashit( $home_path ); } else { $home_path = ABSPATH; } return str_replace( '\\', '/', $home_path ); } /** * Returns a listing of all files in the specified folder and all subdirectories up to 100 levels deep. * The depth of the recursiveness can be controlled by the $levels param. * * @since 2.6.0 * * @param string $folder Optional. Full path to folder. Default empty. * @param int $levels Optional. Levels of folders to follow, Default 100 (PHP Loop limit). * @return bool|array False on failure, Else array of files */ function list_files( $folder = '', $levels = 100 ) { if ( empty($folder) ) return false; if ( ! $levels ) return false; $files = array(); if ( $dir = @opendir( $folder ) ) { while (($file = readdir( $dir ) ) !== false ) { if ( in_array($file, array('.', '..') ) ) continue; if ( is_dir( $folder . '/' . $file ) ) { $files2 = list_files( $folder . '/' . $file, $levels - 1); if ( $files2 ) $files = array_merge($files, $files2 ); else $files[] = $folder . '/' . $file . '/'; } else { $files[] = $folder . '/' . $file; } } } @closedir( $dir ); return $files; } /** * Returns a filename of a Temporary unique file. * Please note that the calling function must unlink() this itself. * * The filename is based off the passed parameter or defaults to the current unix timestamp, * while the directory can either be passed as well, or by leaving it blank, default to a writable temporary directory. * * @since 2.6.0 * * @param string $filename Optional. Filename to base the Unique file off. Default empty. * @param string $dir Optional. Directory to store the file in. Default empty. * @return string a writable filename */ function wp_tempnam( $filename = '', $dir = '' ) { if ( empty( $dir ) ) { $dir = get_temp_dir(); } if ( empty( $filename ) || '.' == $filename || '/' == $filename ) { $filename = time(); } // Use the basename of the given file without the extension as the name for the temporary directory $temp_filename = basename( $filename ); $temp_filename = preg_replace( '|\.[^.]*$|', '', $temp_filename ); // If the folder is falsey, use it's parent directory name instead if ( ! $temp_filename ) { return wp_tempnam( dirname( $filename ), $dir ); } $temp_filename .= '.tmp'; $temp_filename = $dir . wp_unique_filename( $dir, $temp_filename ); touch( $temp_filename ); return $temp_filename; } /** * Make sure that the file that was requested to edit, is allowed to be edited * * Function will die if if you are not allowed to edit the file * * @since 1.5.0 * * @param string $file file the users is attempting to edit * @param array $allowed_files Array of allowed files to edit, $file must match an entry exactly * @return string|null */ function validate_file_to_edit( $file, $allowed_files = '' ) { $code = validate_file( $file, $allowed_files ); if (!$code ) return $file; switch ( $code ) { case 1 : wp_die( __( 'Sorry, that file cannot be edited.' ) ); // case 2 : // wp_die( __('Sorry, can’t call files with their real path.' )); case 3 : wp_die( __( 'Sorry, that file cannot be edited.' ) ); } } /** * Handle PHP uploads in WordPress, sanitizing file names, checking extensions for mime type, * and moving the file to the appropriate directory within the uploads directory. * * @since 4.0.0 * * @see wp_handle_upload_error * * @param array $file Reference to a single element of $_FILES. Call the function once for each uploaded file. * @param array|false $overrides An associative array of names => values to override default variables. Default false. * @param string $time Time formatted in 'yyyy/mm'. * @param string $action Expected value for $_POST['action']. * @return array On success, returns an associative array of file attributes. On failure, returns * $overrides['upload_error_handler'](&$file, $message ) or array( 'error'=>$message ). */ function _wp_handle_upload( &$file, $overrides, $time, $action ) { // The default error handler. if ( ! function_exists( 'wp_handle_upload_error' ) ) { function wp_handle_upload_error( &$file, $message ) { return array( 'error' => $message ); } } /** * Filter the data for a file before it is uploaded to WordPress. * * The dynamic portion of the hook name, `$action`, refers to the post action. * * @since 2.9.0 as 'wp_handle_upload_prefilter'. * @since 4.0.0 Converted to a dynamic hook with `$action`. * * @param array $file An array of data for a single file. */ $file = apply_filters( "{$action}_prefilter", $file ); // You may define your own function and pass the name in $overrides['upload_error_handler'] $upload_error_handler = 'wp_handle_upload_error'; if ( isset( $overrides['upload_error_handler'] ) ) { $upload_error_handler = $overrides['upload_error_handler']; } // You may have had one or more 'wp_handle_upload_prefilter' functions error out the file. Handle that gracefully. if ( isset( $file['error'] ) && ! is_numeric( $file['error'] ) && $file['error'] ) { return $upload_error_handler( $file, $file['error'] ); } // Install user overrides. Did we mention that this voids your warranty? // You may define your own function and pass the name in $overrides['unique_filename_callback'] $unique_filename_callback = null; if ( isset( $overrides['unique_filename_callback'] ) ) { $unique_filename_callback = $overrides['unique_filename_callback']; } /* * This may not have orignially been intended to be overrideable, * but historically has been. */ if ( isset( $overrides['upload_error_strings'] ) ) { $upload_error_strings = $overrides['upload_error_strings']; } else { // Courtesy of php.net, the strings that describe the error indicated in $_FILES[{form field}]['error']. $upload_error_strings = array( false, __( 'The uploaded file exceeds the upload_max_filesize directive in php.ini.' ), __( 'The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form.' ), __( 'The uploaded file was only partially uploaded.' ), __( 'No file was uploaded.' ), '', __( 'Missing a temporary folder.' ), __( 'Failed to write file to disk.' ), __( 'File upload stopped by extension.' ) ); } // All tests are on by default. Most can be turned off by $overrides[{test_name}] = false; $test_form = isset( $overrides['test_form'] ) ? $overrides['test_form'] : true; $test_size = isset( $overrides['test_size'] ) ? $overrides['test_size'] : true; // If you override this, you must provide $ext and $type!! $test_type = isset( $overrides['test_type'] ) ? $overrides['test_type'] : true; $mimes = isset( $overrides['mimes'] ) ? $overrides['mimes'] : false; // A correct form post will pass this test. if ( $test_form && ( ! isset( $_POST['action'] ) || ( $_POST['action'] != $action ) ) ) { return call_user_func( $upload_error_handler, $file, __( 'Invalid form submission.' ) ); } // A successful upload will pass this test. It makes no sense to override this one. if ( isset( $file['error'] ) && $file['error'] > 0 ) { return call_user_func( $upload_error_handler, $file, $upload_error_strings[ $file['error'] ] ); } $test_file_size = 'wp_handle_upload' === $action ? $file['size'] : filesize( $file['tmp_name'] ); // A non-empty file will pass this test. if ( $test_size && ! ( $test_file_size > 0 ) ) { if ( is_multisite() ) { $error_msg = __( 'File is empty. Please upload something more substantial.' ); } else { $error_msg = __( 'File is empty. Please upload something more substantial. This error could also be caused by uploads being disabled in your php.ini or by post_max_size being defined as smaller than upload_max_filesize in php.ini.' ); } return call_user_func( $upload_error_handler, $file, $error_msg ); } // A properly uploaded file will pass this test. There should be no reason to override this one. $test_uploaded_file = 'wp_handle_upload' === $action ? @ is_uploaded_file( $file['tmp_name'] ) : @ is_file( $file['tmp_name'] ); if ( ! $test_uploaded_file ) { return call_user_func( $upload_error_handler, $file, __( 'Specified file failed upload test.' ) ); } // A correct MIME type will pass this test. Override $mimes or use the upload_mimes filter. if ( $test_type ) { $wp_filetype = wp_check_filetype_and_ext( $file['tmp_name'], $file['name'], $mimes ); $ext = empty( $wp_filetype['ext'] ) ? '' : $wp_filetype['ext']; $type = empty( $wp_filetype['type'] ) ? '' : $wp_filetype['type']; $proper_filename = empty( $wp_filetype['proper_filename'] ) ? '' : $wp_filetype['proper_filename']; // Check to see if wp_check_filetype_and_ext() determined the filename was incorrect if ( $proper_filename ) { $file['name'] = $proper_filename; } if ( ( ! $type || !$ext ) && ! current_user_can( 'unfiltered_upload' ) ) { return call_user_func( $upload_error_handler, $file, __( 'Sorry, this file type is not permitted for security reasons.' ) ); } if ( ! $type ) { $type = $file['type']; } } else { $type = ''; } /* * A writable uploads dir will pass this test. Again, there's no point * overriding this one. */ if ( ! ( ( $uploads = wp_upload_dir( $time ) ) && false === $uploads['error'] ) ) { return call_user_func( $upload_error_handler, $file, $uploads['error'] ); } $filename = wp_unique_filename( $uploads['path'], $file['name'], $unique_filename_callback ); // Move the file to the uploads dir. $new_file = $uploads['path'] . "/$filename"; if ( 'wp_handle_upload' === $action ) { $move_new_file = @ move_uploaded_file( $file['tmp_name'], $new_file ); } else { $move_new_file = @ rename( $file['tmp_name'], $new_file ); } if ( false === $move_new_file ) { if ( 0 === strpos( $uploads['basedir'], ABSPATH ) ) { $error_path = str_replace( ABSPATH, '', $uploads['basedir'] ) . $uploads['subdir']; } else { $error_path = basename( $uploads['basedir'] ) . $uploads['subdir']; } return $upload_error_handler( $file, sprintf( __('The uploaded file could not be moved to %s.' ), $error_path ) ); } // Set correct file permissions. $stat = stat( dirname( $new_file )); $perms = $stat['mode'] & 0000666; @ chmod( $new_file, $perms ); // Compute the URL. $url = $uploads['url'] . "/$filename"; if ( is_multisite() ) { delete_transient( 'dirsize_cache' ); } /** * Filter the data array for the uploaded file. * * @since 2.1.0 * * @param array $upload { * Array of upload data. * * @type string $file Filename of the newly-uploaded file. * @type string $url URL of the uploaded file. * @type string $type File type. * } * @param string $context The type of upload action. Values include 'upload' or 'sideload'. */ return apply_filters( 'wp_handle_upload', array( 'file' => $new_file, 'url' => $url, 'type' => $type ), 'wp_handle_sideload' === $action ? 'sideload' : 'upload' ); } /** * Wrapper for _wp_handle_upload(), passes 'wp_handle_upload' action. * * @since 2.0.0 * * @see _wp_handle_upload() * * @param array $file Reference to a single element of $_FILES. Call the function once for * each uploaded file. * @param array|bool $overrides Optional. An associative array of names=>values to override default * variables. Default false. * @param string $time Optional. Time formatted in 'yyyy/mm'. Default null. * @return array On success, returns an associative array of file attributes. On failure, returns * $overrides['upload_error_handler'](&$file, $message ) or array( 'error'=>$message ). */ function wp_handle_upload( &$file, $overrides = false, $time = null ) { /* * $_POST['action'] must be set and its value must equal $overrides['action'] * or this: */ $action = 'wp_handle_upload'; if ( isset( $overrides['action'] ) ) { $action = $overrides['action']; } return _wp_handle_upload( $file, $overrides, $time, $action ); } /** * Wrapper for _wp_handle_upload(), passes 'wp_handle_sideload' action * * @since 2.6.0 * * @see _wp_handle_upload() * * @param array $file An array similar to that of a PHP $_FILES POST array * @param array|bool $overrides Optional. An associative array of names=>values to override default * variables. Default false. * @param string $time Optional. Time formatted in 'yyyy/mm'. Default null. * @return array On success, returns an associative array of file attributes. On failure, returns * $overrides['upload_error_handler'](&$file, $message ) or array( 'error'=>$message ). */ function wp_handle_sideload( &$file, $overrides = false, $time = null ) { /* * $_POST['action'] must be set and its value must equal $overrides['action'] * or this: */ $action = 'wp_handle_sideload'; if ( isset( $overrides['action'] ) ) { $action = $overrides['action']; } return _wp_handle_upload( $file, $overrides, $time, $action ); } /** * Downloads a url to a local temporary file using the WordPress HTTP Class. * Please note, That the calling function must unlink() the file. * * @since 2.5.0 * * @param string $url the URL of the file to download * @param int $timeout The timeout for the request to download the file default 300 seconds * @return mixed WP_Error on failure, string Filename on success. */ function download_url( $url, $timeout = 300 ) { //WARNING: The file is not automatically deleted, The script must unlink() the file. if ( ! $url ) return new WP_Error('http_no_url', __('Invalid URL Provided.')); $tmpfname = wp_tempnam($url); if ( ! $tmpfname ) return new WP_Error('http_no_file', __('Could not create Temporary file.')); $response = wp_safe_remote_get( $url, array( 'timeout' => $timeout, 'stream' => true, 'filename' => $tmpfname ) ); if ( is_wp_error( $response ) ) { unlink( $tmpfname ); return $response; } if ( 200 != wp_remote_retrieve_response_code( $response ) ){ unlink( $tmpfname ); return new WP_Error( 'http_404', trim( wp_remote_retrieve_response_message( $response ) ) ); } $content_md5 = wp_remote_retrieve_header( $response, 'content-md5' ); if ( $content_md5 ) { $md5_check = verify_file_md5( $tmpfname, $content_md5 ); if ( is_wp_error( $md5_check ) ) { unlink( $tmpfname ); return $md5_check; } } return $tmpfname; } /** * Calculates and compares the MD5 of a file to its expected value. * * @since 3.7.0 * * @param string $filename The filename to check the MD5 of. * @param string $expected_md5 The expected MD5 of the file, either a base64 encoded raw md5, or a hex-encoded md5 * @return bool|object WP_Error on failure, true on success, false when the MD5 format is unknown/unexpected */ function verify_file_md5( $filename, $expected_md5 ) { if ( 32 == strlen( $expected_md5 ) ) $expected_raw_md5 = pack( 'H*', $expected_md5 ); elseif ( 24 == strlen( $expected_md5 ) ) $expected_raw_md5 = base64_decode( $expected_md5 ); else return false; // unknown format $file_md5 = md5_file( $filename, true ); if ( $file_md5 === $expected_raw_md5 ) return true; return new WP_Error( 'md5_mismatch', sprintf( __( 'The checksum of the file (%1$s) does not match the expected checksum value (%2$s).' ), bin2hex( $file_md5 ), bin2hex( $expected_raw_md5 ) ) ); } /** * Unzips a specified ZIP file to a location on the Filesystem via the WordPress Filesystem Abstraction. * Assumes that WP_Filesystem() has already been called and set up. Does not extract a root-level __MACOSX directory, if present. * * Attempts to increase the PHP Memory limit to 256M before uncompressing, * However, The most memory required shouldn't be much larger than the Archive itself. * * @since 2.5.0 * * @param string $file Full path and filename of zip archive * @param string $to Full path on the filesystem to extract archive to * @return mixed WP_Error on failure, True on success */ function unzip_file($file, $to) { global $wp_filesystem; if ( ! $wp_filesystem || !is_object($wp_filesystem) ) return new WP_Error('fs_unavailable', __('Could not access filesystem.')); // Unzip can use a lot of memory, but not this much hopefully /** This filter is documented in wp-admin/admin.php */ @ini_set( 'memory_limit', apply_filters( 'admin_memory_limit', WP_MAX_MEMORY_LIMIT ) ); $needed_dirs = array(); $to = trailingslashit($to); // Determine any parent dir's needed (of the upgrade directory) if ( ! $wp_filesystem->is_dir($to) ) { //Only do parents if no children exist $path = preg_split('![/\\\]!', untrailingslashit($to)); for ( $i = count($path); $i >= 0; $i-- ) { if ( empty($path[$i]) ) continue; $dir = implode('/', array_slice($path, 0, $i+1) ); if ( preg_match('!^[a-z]:$!i', $dir) ) // Skip it if it looks like a Windows Drive letter. continue; if ( ! $wp_filesystem->is_dir($dir) ) $needed_dirs[] = $dir; else break; // A folder exists, therefor, we dont need the check the levels below this } } /** * Filter whether to use ZipArchive to unzip archives. * * @since 3.0.0 * * @param bool $ziparchive Whether to use ZipArchive. Default true. */ if ( class_exists( 'ZipArchive' ) && apply_filters( 'unzip_file_use_ziparchive', true ) ) { $result = _unzip_file_ziparchive($file, $to, $needed_dirs); if ( true === $result ) { return $result; } elseif ( is_wp_error($result) ) { if ( 'incompatible_archive' != $result->get_error_code() ) return $result; } } // Fall through to PclZip if ZipArchive is not available, or encountered an error opening the file. return _unzip_file_pclzip($file, $to, $needed_dirs); } /** * This function should not be called directly, use unzip_file instead. Attempts to unzip an archive using the ZipArchive class. * Assumes that WP_Filesystem() has already been called and set up. * * @since 3.0.0 * @see unzip_file * @access private * * @param string $file Full path and filename of zip archive * @param string $to Full path on the filesystem to extract archive to * @param array $needed_dirs A partial list of required folders needed to be created. * @return mixed WP_Error on failure, True on success */ function _unzip_file_ziparchive($file, $to, $needed_dirs = array() ) { global $wp_filesystem; $z = new ZipArchive(); $zopen = $z->open( $file, ZIPARCHIVE::CHECKCONS ); if ( true !== $zopen ) return new WP_Error( 'incompatible_archive', __( 'Incompatible Archive.' ), array( 'ziparchive_error' => $zopen ) ); $uncompressed_size = 0; for ( $i = 0; $i < $z->numFiles; $i++ ) { if ( ! $info = $z->statIndex($i) ) return new WP_Error( 'stat_failed_ziparchive', __( 'Could not retrieve file from archive.' ) ); if ( '__MACOSX/' === substr($info['name'], 0, 9) ) // Skip the OS X-created __MACOSX directory continue; if ( 0 !== validate_file( $info['name'] ) ) { return new WP_Error( 'invalid_file_ziparchive', __( 'Could not extract file from archive.' ), $info['name'] ); } $uncompressed_size += $info['size']; if ( '/' == substr($info['name'], -1) ) // directory $needed_dirs[] = $to . untrailingslashit($info['name']); else $needed_dirs[] = $to . untrailingslashit(dirname($info['name'])); } /* * disk_free_space() could return false. Assume that any falsey value is an error. * A disk that has zero free bytes has bigger problems. * Require we have enough space to unzip the file and copy its contents, with a 10% buffer. */ if ( defined( 'DOING_CRON' ) && DOING_CRON ) { $available_space = @disk_free_space( WP_CONTENT_DIR ); if ( $available_space && ( $uncompressed_size * 2.1 ) > $available_space ) return new WP_Error( 'disk_full_unzip_file', __( 'Could not copy files. You may have run out of disk space.' ), compact( 'uncompressed_size', 'available_space' ) ); } $needed_dirs = array_unique($needed_dirs); foreach ( $needed_dirs as $dir ) { // Check the parent folders of the folders all exist within the creation array. if ( untrailingslashit($to) == $dir ) // Skip over the working directory, We know this exists (or will exist) continue; if ( strpos($dir, $to) === false ) // If the directory is not within the working directory, Skip it continue; $parent_folder = dirname($dir); while ( !empty($parent_folder) && untrailingslashit($to) != $parent_folder && !in_array($parent_folder, $needed_dirs) ) { $needed_dirs[] = $parent_folder; $parent_folder = dirname($parent_folder); } } asort($needed_dirs); // Create those directories if need be: foreach ( $needed_dirs as $_dir ) { // Only check to see if the Dir exists upon creation failure. Less I/O this way. if ( ! $wp_filesystem->mkdir( $_dir, FS_CHMOD_DIR ) && ! $wp_filesystem->is_dir( $_dir ) ) { return new WP_Error( 'mkdir_failed_ziparchive', __( 'Could not create directory.' ), substr( $_dir, strlen( $to ) ) ); } } unset($needed_dirs); for ( $i = 0; $i < $z->numFiles; $i++ ) { if ( ! $info = $z->statIndex($i) ) return new WP_Error( 'stat_failed_ziparchive', __( 'Could not retrieve file from archive.' ) ); if ( '/' == substr($info['name'], -1) ) // directory continue; if ( '__MACOSX/' === substr($info['name'], 0, 9) ) // Don't extract the OS X-created __MACOSX directory files continue; $contents = $z->getFromIndex($i); if ( false === $contents ) return new WP_Error( 'extract_failed_ziparchive', __( 'Could not extract file from archive.' ), $info['name'] ); if ( ! $wp_filesystem->put_contents( $to . $info['name'], $contents, FS_CHMOD_FILE) ) return new WP_Error( 'copy_failed_ziparchive', __( 'Could not copy file.' ), $info['name'] ); } $z->close(); return true; } /** * This function should not be called directly, use unzip_file instead. Attempts to unzip an archive using the PclZip library. * Assumes that WP_Filesystem() has already been called and set up. * * @since 3.0.0 * @see unzip_file * @access private * * @param string $file Full path and filename of zip archive * @param string $to Full path on the filesystem to extract archive to * @param array $needed_dirs A partial list of required folders needed to be created. * @return mixed WP_Error on failure, True on success */ function _unzip_file_pclzip($file, $to, $needed_dirs = array()) { global $wp_filesystem; mbstring_binary_safe_encoding(); require_once(ABSPATH . 'wp-admin/includes/class-pclzip.php'); $archive = new PclZip($file); $archive_files = $archive->extract(PCLZIP_OPT_EXTRACT_AS_STRING); reset_mbstring_encoding(); // Is the archive valid? if ( !is_array($archive_files) ) return new WP_Error('incompatible_archive', __('Incompatible Archive.'), $archive->errorInfo(true)); if ( 0 == count($archive_files) ) return new WP_Error( 'empty_archive_pclzip', __( 'Empty archive.' ) ); $uncompressed_size = 0; // Determine any children directories needed (From within the archive) foreach ( $archive_files as $file ) { if ( '__MACOSX/' === substr($file['filename'], 0, 9) ) // Skip the OS X-created __MACOSX directory continue; $uncompressed_size += $file['size']; $needed_dirs[] = $to . untrailingslashit( $file['folder'] ? $file['filename'] : dirname($file['filename']) ); } /* * disk_free_space() could return false. Assume that any falsey value is an error. * A disk that has zero free bytes has bigger problems. * Require we have enough space to unzip the file and copy its contents, with a 10% buffer. */ if ( defined( 'DOING_CRON' ) && DOING_CRON ) { $available_space = @disk_free_space( WP_CONTENT_DIR ); if ( $available_space && ( $uncompressed_size * 2.1 ) > $available_space ) return new WP_Error( 'disk_full_unzip_file', __( 'Could not copy files. You may have run out of disk space.' ), compact( 'uncompressed_size', 'available_space' ) ); } $needed_dirs = array_unique($needed_dirs); foreach ( $needed_dirs as $dir ) { // Check the parent folders of the folders all exist within the creation array. if ( untrailingslashit($to) == $dir ) // Skip over the working directory, We know this exists (or will exist) continue; if ( strpos($dir, $to) === false ) // If the directory is not within the working directory, Skip it continue; $parent_folder = dirname($dir); while ( !empty($parent_folder) && untrailingslashit($to) != $parent_folder && !in_array($parent_folder, $needed_dirs) ) { $needed_dirs[] = $parent_folder; $parent_folder = dirname($parent_folder); } } asort($needed_dirs); // Create those directories if need be: foreach ( $needed_dirs as $_dir ) { // Only check to see if the dir exists upon creation failure. Less I/O this way. if ( ! $wp_filesystem->mkdir( $_dir, FS_CHMOD_DIR ) && ! $wp_filesystem->is_dir( $_dir ) ) return new WP_Error( 'mkdir_failed_pclzip', __( 'Could not create directory.' ), substr( $_dir, strlen( $to ) ) ); } unset($needed_dirs); // Extract the files from the zip foreach ( $archive_files as $file ) { if ( $file['folder'] ) continue; if ( '__MACOSX/' === substr($file['filename'], 0, 9) ) // Don't extract the OS X-created __MACOSX directory files continue; if ( 0 !== validate_file( $file['filename'] ) ) { return new WP_Error( 'invalid_file_pclzip', __( 'Could not extract file from archive.' ), $file['filename'] ); } if ( ! $wp_filesystem->put_contents( $to . $file['filename'], $file['content'], FS_CHMOD_FILE) ) return new WP_Error( 'copy_failed_pclzip', __( 'Could not copy file.' ), $file['filename'] ); } return true; } /** * Copies a directory from one location to another via the WordPress Filesystem Abstraction. * Assumes that WP_Filesystem() has already been called and setup. * * @since 2.5.0 * * @param string $from source directory * @param string $to destination directory * @param array $skip_list a list of files/folders to skip copying * @return mixed WP_Error on failure, True on success. */ function copy_dir($from, $to, $skip_list = array() ) { global $wp_filesystem; $dirlist = $wp_filesystem->dirlist($from); $from = trailingslashit($from); $to = trailingslashit($to); foreach ( (array) $dirlist as $filename => $fileinfo ) { if ( in_array( $filename, $skip_list ) ) continue; if ( 'f' == $fileinfo['type'] ) { if ( ! $wp_filesystem->copy($from . $filename, $to . $filename, true, FS_CHMOD_FILE) ) { // If copy failed, chmod file to 0644 and try again. $wp_filesystem->chmod( $to . $filename, FS_CHMOD_FILE ); if ( ! $wp_filesystem->copy($from . $filename, $to . $filename, true, FS_CHMOD_FILE) ) return new WP_Error( 'copy_failed_copy_dir', __( 'Could not copy file.' ), $to . $filename ); } } elseif ( 'd' == $fileinfo['type'] ) { if ( !$wp_filesystem->is_dir($to . $filename) ) { if ( !$wp_filesystem->mkdir($to . $filename, FS_CHMOD_DIR) ) return new WP_Error( 'mkdir_failed_copy_dir', __( 'Could not create directory.' ), $to . $filename ); } // generate the $sub_skip_list for the subdirectory as a sub-set of the existing $skip_list $sub_skip_list = array(); foreach ( $skip_list as $skip_item ) { if ( 0 === strpos( $skip_item, $filename . '/' ) ) $sub_skip_list[] = preg_replace( '!^' . preg_quote( $filename, '!' ) . '/!i', '', $skip_item ); } $result = copy_dir($from . $filename, $to . $filename, $sub_skip_list); if ( is_wp_error($result) ) return $result; } } return true; } /** * Initialises and connects the WordPress Filesystem Abstraction classes. * This function will include the chosen transport and attempt connecting. * * Plugins may add extra transports, And force WordPress to use them by returning * the filename via the {@see 'filesystem_method_file'} filter. * * @since 2.5.0 * * @param array $args Optional. Connection args, These are passed directly to * the `WP_Filesystem_*()` classes. Default false. * @param string $context Optional. Context for {@see get_filesystem_method()}. * Default false. * @param bool $allow_relaxed_file_ownership Optional. Whether to allow Group/World writable. * Default false. * @return null|boolean false on failure, true on success. */ function WP_Filesystem( $args = false, $context = false, $allow_relaxed_file_ownership = false ) { global $wp_filesystem; require_once(ABSPATH . 'wp-admin/includes/class-wp-filesystem-base.php'); $method = get_filesystem_method( $args, $context, $allow_relaxed_file_ownership ); if ( ! $method ) return false; if ( ! class_exists("WP_Filesystem_$method") ) { /** * Filter the path for a specific filesystem method class file. * * @since 2.6.0 * * @see get_filesystem_method() * * @param string $path Path to the specific filesystem method class file. * @param string $method The filesystem method to use. */ $abstraction_file = apply_filters( 'filesystem_method_file', ABSPATH . 'wp-admin/includes/class-wp-filesystem-' . $method . '.php', $method ); if ( ! file_exists($abstraction_file) ) return; require_once($abstraction_file); } $method = "WP_Filesystem_$method"; $wp_filesystem = new $method($args); //Define the timeouts for the connections. Only available after the construct is called to allow for per-transport overriding of the default. if ( ! defined('FS_CONNECT_TIMEOUT') ) define('FS_CONNECT_TIMEOUT', 30); if ( ! defined('FS_TIMEOUT') ) define('FS_TIMEOUT', 30); if ( is_wp_error($wp_filesystem->errors) && $wp_filesystem->errors->get_error_code() ) return false; if ( !$wp_filesystem->connect() ) return false; //There was an error connecting to the server. // Set the permission constants if not already set. if ( ! defined('FS_CHMOD_DIR') ) define('FS_CHMOD_DIR', ( fileperms( ABSPATH ) & 0777 | 0755 ) ); if ( ! defined('FS_CHMOD_FILE') ) define('FS_CHMOD_FILE', ( fileperms( ABSPATH . 'index.php' ) & 0777 | 0644 ) ); return true; } /** * Determines which method to use for reading, writing, modifying, or deleting * files on the filesystem. * * The priority of the transports are: Direct, SSH2, FTP PHP Extension, FTP Sockets * (Via Sockets class, or `fsockopen()`). Valid values for these are: 'direct', 'ssh2', * 'ftpext' or 'ftpsockets'. * * The return value can be overridden by defining the `FS_METHOD` constant in `wp-config.php`, * or filtering via {@see 'filesystem_method'}. * * @link https://codex.wordpress.org/Editing_wp-config.php#WordPress_Upgrade_Constants * * Plugins may define a custom transport handler, See WP_Filesystem(). * * @since 2.5.0 * * @param array $args Optional. Connection details. Default empty array. * @param string $context Optional. Full path to the directory that is tested * for being writable. Default false. * @param bool $allow_relaxed_file_ownership Optional. Whether to allow Group/World writable. * Default false. * @return string The transport to use, see description for valid return values. */ function get_filesystem_method( $args = array(), $context = false, $allow_relaxed_file_ownership = false ) { $method = defined('FS_METHOD') ? FS_METHOD : false; // Please ensure that this is either 'direct', 'ssh2', 'ftpext' or 'ftpsockets' if ( ! $context ) { $context = WP_CONTENT_DIR; } // If the directory doesn't exist (wp-content/languages) then use the parent directory as we'll create it. if ( WP_LANG_DIR == $context && ! is_dir( $context ) ) { $context = dirname( $context ); } $context = trailingslashit( $context ); if ( ! $method ) { $temp_file_name = $context . 'temp-write-test-' . time(); $temp_handle = @fopen($temp_file_name, 'w'); if ( $temp_handle ) { // Attempt to determine the file owner of the WordPress files, and that of newly created files $wp_file_owner = $temp_file_owner = false; if ( function_exists('fileowner') ) { $wp_file_owner = @fileowner( __FILE__ ); $temp_file_owner = @fileowner( $temp_file_name ); } if ( $wp_file_owner !== false && $wp_file_owner === $temp_file_owner ) { // WordPress is creating files as the same owner as the WordPress files, // this means it's safe to modify & create new files via PHP. $method = 'direct'; $GLOBALS['_wp_filesystem_direct_method'] = 'file_owner'; } elseif ( $allow_relaxed_file_ownership ) { // The $context directory is writable, and $allow_relaxed_file_ownership is set, this means we can modify files // safely in this directory. This mode doesn't create new files, only alter existing ones. $method = 'direct'; $GLOBALS['_wp_filesystem_direct_method'] = 'relaxed_ownership'; } @fclose($temp_handle); @unlink($temp_file_name); } } if ( ! $method && isset($args['connection_type']) && 'ssh' == $args['connection_type'] && extension_loaded('ssh2') && function_exists('stream_get_contents') ) $method = 'ssh2'; if ( ! $method && extension_loaded('ftp') ) $method = 'ftpext'; if ( ! $method && ( extension_loaded('sockets') || function_exists('fsockopen') ) ) $method = 'ftpsockets'; //Sockets: Socket extension; PHP Mode: FSockopen / fwrite / fread /** * Filter the filesystem method to use. * * @since 2.6.0 * * @param string $method Filesystem method to return. * @param array $args An array of connection details for the method. * @param string $context Full path to the directory that is tested for being writable. * @param bool $allow_relaxed_file_ownership Whether to allow Group/World writable. */ return apply_filters( 'filesystem_method', $method, $args, $context, $allow_relaxed_file_ownership ); } /** * Displays a form to the user to request for their FTP/SSH details in order * to connect to the filesystem. * * All chosen/entered details are saved, Excluding the Password. * * Hostnames may be in the form of hostname:portnumber (eg: wordpress.org:2467) * to specify an alternate FTP/SSH port. * * Plugins may override this form by returning true|false via the * {@see 'request_filesystem_credentials'} filter. * * @since 2.5. * * @todo Properly mark optional arguments as such * * @param string $form_post the URL to post the form to * @param string $type the chosen Filesystem method in use * @param boolean $error if the current request has failed to connect * @param string $context The directory which is needed access to, The write-test will be performed on this directory by get_filesystem_method() * @param array $extra_fields Extra POST fields which should be checked for to be included in the post. * @param bool $allow_relaxed_file_ownership Whether to allow Group/World writable. * @return boolean False on failure. True on success. */ function request_filesystem_credentials($form_post, $type = '', $error = false, $context = false, $extra_fields = null, $allow_relaxed_file_ownership = false ) { /** * Filter the filesystem credentials form output. * * Returning anything other than an empty string will effectively short-circuit * output of the filesystem credentials form, returning that value instead. * * @since 2.5.0 * * @param mixed $output Form output to return instead. Default empty. * @param string $form_post URL to POST the form to. * @param string $type Chosen type of filesystem. * @param bool $error Whether the current request has failed to connect. * Default false. * @param string $context Full path to the directory that is tested for * being writable. * @param bool $allow_relaxed_file_ownership Whether to allow Group/World writable. * @param array $extra_fields Extra POST fields. */ $req_cred = apply_filters( 'request_filesystem_credentials', '', $form_post, $type, $error, $context, $extra_fields, $allow_relaxed_file_ownership ); if ( '' !== $req_cred ) return $req_cred; if ( empty($type) ) { $type = get_filesystem_method( array(), $context, $allow_relaxed_file_ownership ); } if ( 'direct' == $type ) return true; if ( is_null( $extra_fields ) ) $extra_fields = array( 'version', 'locale' ); $credentials = get_option('ftp_credentials', array( 'hostname' => '', 'username' => '')); $submitted_form = wp_unslash( $_POST ); // Verify nonce, or unset submitted form field values on failure if ( ! isset( $_POST['_fs_nonce'] ) || ! wp_verify_nonce( $_POST['_fs_nonce'], 'filesystem-credentials' ) ) { unset( $submitted_form['hostname'], $submitted_form['username'], $submitted_form['password'], $submitted_form['public_key'], $submitted_form['private_key'], $submitted_form['connection_type'] ); } // If defined, set it to that, Else, If POST'd, set it to that, If not, Set it to whatever it previously was(saved details in option) $credentials['hostname'] = defined('FTP_HOST') ? FTP_HOST : (!empty($submitted_form['hostname']) ? $submitted_form['hostname'] : $credentials['hostname']); $credentials['username'] = defined('FTP_USER') ? FTP_USER : (!empty($submitted_form['username']) ? $submitted_form['username'] : $credentials['username']); $credentials['password'] = defined('FTP_PASS') ? FTP_PASS : (!empty($submitted_form['password']) ? $submitted_form['password'] : ''); // Check to see if we are setting the public/private keys for ssh $credentials['public_key'] = defined('FTP_PUBKEY') ? FTP_PUBKEY : (!empty($submitted_form['public_key']) ? $submitted_form['public_key'] : ''); $credentials['private_key'] = defined('FTP_PRIKEY') ? FTP_PRIKEY : (!empty($submitted_form['private_key']) ? $submitted_form['private_key'] : ''); // Sanitize the hostname, Some people might pass in odd-data: $credentials['hostname'] = preg_replace('|\w+://|', '', $credentials['hostname']); //Strip any schemes off if ( strpos($credentials['hostname'], ':') ) { list( $credentials['hostname'], $credentials['port'] ) = explode(':', $credentials['hostname'], 2); if ( ! is_numeric($credentials['port']) ) unset($credentials['port']); } else { unset($credentials['port']); } if ( ( defined( 'FTP_SSH' ) && FTP_SSH ) || ( defined( 'FS_METHOD' ) && 'ssh2' == FS_METHOD ) ) { $credentials['connection_type'] = 'ssh'; } elseif ( ( defined( 'FTP_SSL' ) && FTP_SSL ) && 'ftpext' == $type ) { //Only the FTP Extension understands SSL $credentials['connection_type'] = 'ftps'; } elseif ( ! empty( $submitted_form['connection_type'] ) ) { $credentials['connection_type'] = $submitted_form['connection_type']; } elseif ( ! isset( $credentials['connection_type'] ) ) { //All else fails (And it's not defaulted to something else saved), Default to FTP $credentials['connection_type'] = 'ftp'; } if ( ! $error && ( ( !empty($credentials['password']) && !empty($credentials['username']) && !empty($credentials['hostname']) ) || ( 'ssh' == $credentials['connection_type'] && !empty($credentials['public_key']) && !empty($credentials['private_key']) ) ) ) { $stored_credentials = $credentials; if ( !empty($stored_credentials['port']) ) //save port as part of hostname to simplify above code. $stored_credentials['hostname'] .= ':' . $stored_credentials['port']; unset($stored_credentials['password'], $stored_credentials['port'], $stored_credentials['private_key'], $stored_credentials['public_key']); if ( ! defined( 'WP_INSTALLING' ) ) { update_option( 'ftp_credentials', $stored_credentials ); } return $credentials; } $hostname = isset( $credentials['hostname'] ) ? $credentials['hostname'] : ''; $username = isset( $credentials['username'] ) ? $credentials['username'] : ''; $public_key = isset( $credentials['public_key'] ) ? $credentials['public_key'] : ''; $private_key = isset( $credentials['private_key'] ) ? $credentials['private_key'] : ''; $port = isset( $credentials['port'] ) ? $credentials['port'] : ''; $connection_type = isset( $credentials['connection_type'] ) ? $credentials['connection_type'] : ''; if ( $error ) { $error_string = __('ERROR: There was an error connecting to the server, Please verify the settings are correct.'); if ( is_wp_error($error) ) $error_string = esc_html( $error->get_error_message() ); echo '

' . $error_string . '

'; } $types = array(); if ( extension_loaded('ftp') || extension_loaded('sockets') || function_exists('fsockopen') ) $types[ 'ftp' ] = __('FTP'); if ( extension_loaded('ftp') ) //Only this supports FTPS $types[ 'ftps' ] = __('FTPS (SSL)'); if ( extension_loaded('ssh2') && function_exists('stream_get_contents') ) $types[ 'ssh' ] = __('SSH2'); /** * Filter the connection types to output to the filesystem credentials form. * * @since 2.9.0 * * @param array $types Types of connections. * @param array $credentials Credentials to connect with. * @param string $type Chosen filesystem method. * @param object $error Error object. * @param string $context Full path to the directory that is tested * for being writable. */ $types = apply_filters( 'fs_ftp_connection_types', $types, $credentials, $type, $error, $context ); ?>

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