X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/7688c6ba71852cd89123b62b2d57683535e4702a..refs/tags/wordpress-3.5.2:/wp-admin/includes/file.php?ds=sidebyside diff --git a/wp-admin/includes/file.php b/wp-admin/includes/file.php index c201359b..96b6db45 100644 --- a/wp-admin/includes/file.php +++ b/wp-admin/includes/file.php @@ -1,30 +1,91 @@ __( 'Main Index Template' ), 'style.css' => __( 'Stylesheet' ), 'comments.php' => __( 'Comments' ), 'comments-popup.php' => __( 'Popup Comments' ), 'footer.php' => __( 'Footer' ), 'header.php' => __( 'Header' ), 'sidebar.php' => __( 'Sidebar' ), 'archive.php' => __( 'Archives' ), 'category.php' => __( 'Category Template' ), 'page.php' => __( 'Page Template' ), 'search.php' => __( 'Search Results' ), 'single.php' => __( 'Single Post' ), '404.php' => __( '404 Template' ), 'my-hacks.php' => __( 'my-hacks.php (legacy hacks support)' ), '.htaccess' => __( '.htaccess (for rewrite rules )' ), +/** The descriptions for theme files. */ +$wp_file_descriptions = array( + 'index.php' => __( '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' )); + '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 _cleanup_header_comment + * @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( ABSPATH . $file ) && is_file( ABSPATH . $file ) ) { - $template_data = implode( '', file( ABSPATH . $file ) ); - if ( preg_match( "|Template Name:(.*)|i", $template_data, $name )) - return $name[1]; + 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 basename( $file ); + return trim( basename( $file ) ); } +/** + * Get the absolute filesystem path to the root of the WordPress installation + * + * @since 1.5.0 + * + * @uses get_option + * @return string Full filesystem path to the root of the WordPress installation + */ function get_home_path() { $home = get_option( 'home' ); - if ( $home != '' && $home != get_option( 'siteurl' ) ) { - $home_path = parse_url( $home ); - $home_path = $home_path['path']; - $root = str_replace( $_SERVER["PHP_SELF"], '', $_SERVER["SCRIPT_FILENAME"] ); - $home_path = trailingslashit( $root.$home_path ); + $siteurl = get_option( 'siteurl' ); + 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; } @@ -32,35 +93,107 @@ function get_home_path() { return $home_path; } +/** + * Get the real file system path to a file to edit within the admin + * + * If the $file is index.php or .htaccess this function will assume it is relative + * to the install root, otherwise it is assumed the file is relative to the wp-content + * directory + * + * @since 1.5.0 + * + * @uses get_home_path + * @uses WP_CONTENT_DIR full filesystem path to the wp-content directory + * @param string $file filesystem path relative to the WordPress install directory or to the wp-content directory + * @return string full file system path to edit + */ function get_real_file_to_edit( $file ) { if ('index.php' == $file || '.htaccess' == $file ) { - $real_file = get_home_path().$file; + $real_file = get_home_path() . $file; } else { - $real_file = ABSPATH.$file; + $real_file = WP_CONTENT_DIR . $file; } return $real_file; } -function validate_file( $file, $allowed_files = '' ) { - if ( false !== strpos( $file, '..' )) - return 1; +/** + * 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 Full path to folder + * @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 ( false !== strpos( $file, './' )) - return 1; + if ( ! $levels ) + return false; - if (':' == substr( $file, 1, 1 )) - return 2; + $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; +} - if (!empty ( $allowed_files ) && (!in_array( $file, $allowed_files ) ) ) - return 3; +/** + * 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 + * @param string $dir (optional) Directory to store the file in + * @return string a writable filename + */ +function wp_tempnam($filename = '', $dir = '') { + if ( empty($dir) ) + $dir = get_temp_dir(); + $filename = basename($filename); + if ( empty($filename) ) + $filename = time(); - return 0; + $filename = preg_replace('|\..*$|', '.tmp', $filename); + $filename = $dir . wp_unique_filename($dir, $filename); + touch($filename); + return $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 + * + * @uses wp_die + * @uses validate_file + * @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 null + */ function validate_file_to_edit( $file, $allowed_files = '' ) { - $file = stripslashes( $file ); - $code = validate_file( $file, $allowed_files ); if (!$code ) @@ -68,50 +201,209 @@ function validate_file_to_edit( $file, $allowed_files = '' ) { switch ( $code ) { case 1 : - wp_die( __('Sorry, can’t edit files with ".." in the name. If you are trying to edit a file in your WordPress home directory, you can just type the name of the file in.' )); + wp_die( __('Sorry, can’t edit files with “..” in the name. If you are trying to edit a file in your WordPress home directory, you can just type the name of the file in.' )); - case 2 : - wp_die( __('Sorry, can’t call files with their real path.' )); + //case 2 : + // wp_die( __('Sorry, can’t call files with their real path.' )); case 3 : wp_die( __('Sorry, that file cannot be edited.' )); } } -// array wp_handle_upload ( array &file [, array overrides] ) -// file: reference to a single element of $_FILES. Call the function once for each uploaded file. -// overrides: an associative array of names=>values to override default variables with extract( $overrides, EXTR_OVERWRITE ). -// 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 ) { +/** + * 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 2.0 + * + * @uses wp_handle_upload_error + * @uses apply_filters + * @uses is_multisite + * @uses wp_check_filetype_and_ext + * @uses current_user_can + * @uses wp_upload_dir + * @uses wp_unique_filename + * @uses delete_transient + * @param array $file Reference to a single element of $_FILES. Call the function once for each uploaded file. + * @param array $overrides Optional. An associative array of names=>values to override default variables with extract( $overrides, EXTR_OVERWRITE ). + * @param string $time Optional. Time formatted in 'yyyy/mm'. + * @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, $time = null ) { // The default error handler. - if (! function_exists( 'wp_handle_upload_error' ) ) { + if ( ! function_exists( 'wp_handle_upload_error' ) ) { function wp_handle_upload_error( &$file, $message ) { return array( 'error'=>$message ); } } + $file = apply_filters( 'wp_handle_upload_prefilter', $file ); + // You may define your own function and pass the name in $overrides['upload_error_handler'] $upload_error_handler = 'wp_handle_upload_error'; + // 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'] ); + + // You may define your own function and pass the name in $overrides['unique_filename_callback'] + $unique_filename_callback = null; + // $_POST['action'] must be set and its value must equal $overrides['action'] or this: $action = 'wp_handle_upload'; + // 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 = true; + $test_size = true; + $test_upload = true; + + // If you override this, you must provide $ext and $type!!!! + $test_type = true; + $mimes = false; + + // Install user overrides. Did we mention that this voids your warranty? + if ( is_array( $overrides ) ) + extract( $overrides, EXTR_OVERWRITE ); + + // 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 ( $file['error'] > 0 ) + return call_user_func($upload_error_handler, $file, $upload_error_strings[$file['error']] ); + + // A non-empty file will pass this test. + if ( $test_size && !($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. + if ( $test_upload && ! @ is_uploaded_file( $file['tmp_name'] ) ) + return call_user_func($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 ); + + extract( $wp_filetype ); + + // 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, $file, __( 'Sorry, this file type is not permitted for security reasons.' )); + + if ( !$ext ) + $ext = ltrim(strrchr($file['name'], '.'), '.'); + + 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 ( false === @ move_uploaded_file( $file['tmp_name'], $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' ); + + return apply_filters( 'wp_handle_upload', array( 'file' => $new_file, 'url' => $url, 'type' => $type ), 'upload' ); +} + +/** + * Handle sideloads, which is the process of retrieving a media item from another server instead of + * a traditional media upload. This process involves sanitizing the filename, checking extensions + * for mime type, and moving the file to the appropriate directory within the uploads directory. + * + * @since 2.6.0 + * + * @uses wp_handle_upload_error + * @uses apply_filters + * @uses wp_check_filetype_and_ext + * @uses current_user_can + * @uses wp_upload_dir + * @uses wp_unique_filename + * @param array $file an array similar to that of a PHP $_FILES POST array + * @param array $overrides Optional. An associative array of names=>values to override default variables with extract( $overrides, EXTR_OVERWRITE ). + * @param string $time Optional. Time formatted in 'yyyy/mm'. + * @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, $time = null ) { + // The default error handler. + if (! function_exists( 'wp_handle_upload_error' ) ) { + function wp_handle_upload_error( &$file, $message ) { + return array( 'error'=>$message ); + } + } + + // You may define your own function and pass the name in $overrides['upload_error_handler'] + $upload_error_handler = 'wp_handle_upload_error'; + + // You may define your own function and pass the name in $overrides['unique_filename_callback'] + $unique_filename_callback = null; + + // $_POST['action'] must be set and its value must equal $overrides['action'] or this: + $action = 'wp_handle_sideload'; + // 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." )); + __( "Failed to write file to disk." ), + __( "File upload stopped by extension." )); - // All tests are on by default. Most can be turned off by $override[{test_name}] = false; + // All tests are on by default. Most can be turned off by $overrides[{test_name}] = false; $test_form = true; $test_size = true; // If you override this, you must provide $ext and $type!!!! $test_type = true; + $mimes = false; // Install user overrides. Did we mention that this voids your warranty? if ( is_array( $overrides ) ) @@ -122,59 +414,56 @@ function wp_handle_upload( &$file, $overrides = false ) { return $upload_error_handler( $file, __( 'Invalid form submission.' )); // A successful upload will pass this test. It makes no sense to override this one. - if ( $file['error'] > 0 ) + if ( ! empty( $file['error'] ) ) return $upload_error_handler( $file, $upload_error_strings[$file['error']] ); // A non-empty file will pass this test. - if ( $test_size && !($file['size'] > 0 ) ) + if ( $test_size && !(filesize($file['tmp_name']) > 0 ) ) return $upload_error_handler( $file, __( 'File is empty. Please upload something more substantial. This error could also be caused by uploads being disabled in your php.ini.' )); // A properly uploaded file will pass this test. There should be no reason to override this one. - if (! @ is_uploaded_file( $file['tmp_name'] ) ) - return $upload_error_handler( $file, __( 'Specified file failed upload test.' )); + if (! @ is_file( $file['tmp_name'] ) ) + return $upload_error_handler( $file, __( 'Specified file does not exist.' )); // A correct MIME type will pass this test. Override $mimes or use the upload_mimes filter. if ( $test_type ) { - $wp_filetype = wp_check_filetype( $file['name'], $mimes ); + $wp_filetype = wp_check_filetype_and_ext( $file['tmp_name'], $file['name'], $mimes ); extract( $wp_filetype ); + // 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 $upload_error_handler( $file, __( 'File type does not meet security guidelines. Try another.' )); + return $upload_error_handler( $file, __( 'Sorry, this file type is not permitted for security reasons.' )); if ( !$ext ) $ext = ltrim(strrchr($file['name'], '.'), '.'); + + if ( !$type ) + $type = $file['type']; } // A writable uploads dir will pass this test. Again, there's no point overriding this one. - if ( ! ( ( $uploads = wp_upload_dir() ) && false === $uploads['error'] ) ) + if ( ! ( ( $uploads = wp_upload_dir( $time ) ) && false === $uploads['error'] ) ) return $upload_error_handler( $file, $uploads['error'] ); - // Increment the file number until we have a unique file to save in $dir. Use $override['unique_filename_callback'] if supplied. - if ( isset( $unique_filename_callback ) && function_exists( $unique_filename_callback ) ) { - $filename = $unique_filename_callback( $uploads['path'], $file['name'] ); - } else { - $number = ''; - $filename = str_replace( '#', '_', $file['name'] ); - $filename = str_replace( array( '\\', "'" ), '', $filename ); - if ( empty( $ext) ) - $ext = ''; - else - $ext = ".$ext"; - while ( file_exists( $uploads['path'] . "/$filename" ) ) { - if ( '' == "$number$ext" ) - $filename = $filename . ++$number . $ext; - else - $filename = str_replace( "$number$ext", ++$number . $ext, $filename ); - } - $filename = str_replace( $ext, '', $filename ); - $filename = sanitize_title_with_dashes( $filename ) . $ext; - } + $filename = wp_unique_filename( $uploads['path'], $file['name'], $unique_filename_callback ); + + // Strip the query strings. + $filename = str_replace('?','-', $filename); + $filename = str_replace('&','-', $filename); // Move the file to the uploads dir $new_file = $uploads['path'] . "/$filename"; - if ( false === @ move_uploaded_file( $file['tmp_name'], $new_file ) ) - wp_die( printf( __('The uploaded file could not be moved to %s.' ), $uploads['path'] )); + if ( false === @ rename( $file['tmp_name'], $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( $new_file )); @@ -184,9 +473,599 @@ function wp_handle_upload( &$file, $overrides = false ) { // Compute the URL $url = $uploads['url'] . "/$filename"; - $return = apply_filters( 'wp_handle_upload', array( 'file' => $new_file, 'url' => $url, 'type' => $type ) ); + $return = apply_filters( 'wp_handle_upload', array( 'file' => $new_file, 'url' => $url, 'type' => $type ), 'sideload' ); return $return; } +/** + * 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_remote_get( $url, array( 'timeout' => $timeout, 'stream' => true, 'filename' => $tmpfname, 'reject_unsafe_urls' => true ) ); + + 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 ) ) ); + } + + return $tmpfname; +} + +/** + * 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 + @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 + } + } + + 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(); + + // PHP4-compat - php4 classes can't contain constants + $zopen = $z->open($file, /* ZIPARCHIVE::CHECKCONS */ 4); + if ( true !== $zopen ) + return new WP_Error('incompatible_archive', __('Incompatible Archive.')); + + for ( $i = 0; $i < $z->numFiles; $i++ ) { + if ( ! $info = $z->statIndex($i) ) + return new WP_Error('stat_failed', __('Could not retrieve file from archive.')); + + if ( '__MACOSX/' === substr($info['name'], 0, 9) ) // Skip the OS X-created __MACOSX directory + continue; + + if ( '/' == substr($info['name'], -1) ) // directory + $needed_dirs[] = $to . untrailingslashit($info['name']); + else + $needed_dirs[] = $to . untrailingslashit(dirname($info['name'])); + } + + $needed_dirs = array_unique($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 ) { + if ( ! $wp_filesystem->mkdir($_dir, FS_CHMOD_DIR) && ! $wp_filesystem->is_dir($_dir) ) // Only check to see if the Dir exists upon creation failure. Less I/O this way. + return new WP_Error('mkdir_failed', __('Could not create directory.'), $_dir); + } + unset($needed_dirs); + + for ( $i = 0; $i < $z->numFiles; $i++ ) { + if ( ! $info = $z->statIndex($i) ) + return new WP_Error('stat_failed', __('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', __('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', __('Could not copy file.'), $to . $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; + + // See #15789 - PclZip uses string functions on binary data, If it's overloaded with Multibyte safe functions the results are incorrect. + if ( ini_get('mbstring.func_overload') && function_exists('mb_internal_encoding') ) { + $previous_encoding = mb_internal_encoding(); + mb_internal_encoding('ISO-8859-1'); + } + + require_once(ABSPATH . 'wp-admin/includes/class-pclzip.php'); + + $archive = new PclZip($file); + + $archive_files = $archive->extract(PCLZIP_OPT_EXTRACT_AS_STRING); + + if ( isset($previous_encoding) ) + mb_internal_encoding($previous_encoding); + + // Is the archive valid? + if ( !is_array($archive_files) ) + return new WP_Error('incompatible_archive', __('Incompatible Archive.'), $archive->errorInfo(true)); + + if ( 0 == count($archive_files) ) + return new WP_Error('empty_archive', __('Empty archive.')); + + // 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; + + $needed_dirs[] = $to . untrailingslashit( $file['folder'] ? $file['filename'] : dirname($file['filename']) ); + } + + $needed_dirs = array_unique($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 ) { + if ( ! $wp_filesystem->mkdir($_dir, FS_CHMOD_DIR) && ! $wp_filesystem->is_dir($_dir) ) // Only check to see if the dir exists upon creation failure. Less I/O this way. + return new WP_Error('mkdir_failed', __('Could not create directory.'), $_dir); + } + unset($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 ( ! $wp_filesystem->put_contents( $to . $file['filename'], $file['content'], FS_CHMOD_FILE) ) + return new WP_Error('copy_failed', __('Could not copy file.'), $to . $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); + + $skip_regex = ''; + foreach ( (array)$skip_list as $key => $skip_file ) + $skip_regex .= preg_quote($skip_file, '!') . '|'; + + if ( !empty($skip_regex) ) + $skip_regex = '!(' . rtrim($skip_regex, '|') . ')$!i'; + + foreach ( (array) $dirlist as $filename => $fileinfo ) { + if ( !empty($skip_regex) ) + if ( preg_match($skip_regex, $from . $filename) ) + 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, 0644); + if ( ! $wp_filesystem->copy($from . $filename, $to . $filename, true, FS_CHMOD_FILE) ) + return new WP_Error('copy_failed', __('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', __('Could not create directory.'), $to . $filename); + } + $result = copy_dir($from . $filename, $to . $filename, $skip_list); + if ( is_wp_error($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 'filesystem_method_file' filter. + * + * @since 2.5.0 + * + * @param array $args (optional) Connection args, These are passed directly to the WP_Filesystem_*() classes. + * @param string $context (optional) Context for get_filesystem_method(), See function declaration for more information. + * @return boolean false on failure, true on success + */ +function WP_Filesystem( $args = false, $context = false ) { + global $wp_filesystem; + + require_once(ABSPATH . 'wp-admin/includes/class-wp-filesystem-base.php'); + + $method = get_filesystem_method($args, $context); + + if ( ! $method ) + return false; + + if ( ! class_exists("WP_Filesystem_$method") ) { + $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', 0755 ); + if ( ! defined('FS_CHMOD_FILE') ) + define('FS_CHMOD_FILE', 0644 ); + + return true; +} + +/** + * Determines which Filesystem Method to use. + * The priority of the Transports are: Direct, SSH2, FTP PHP Extension, FTP Sockets (Via Sockets class, or fsockopen()) + * + * Note that the return value of this function can be overridden in 2 ways + * - By defining FS_METHOD in your wp-config.php file + * - By using the filesystem_method filter + * Valid values for these are: 'direct', 'ssh', 'ftpext' or 'ftpsockets' + * Plugins may also define a custom transport handler, See the WP_Filesystem function for more information. + * + * @since 2.5.0 + * + * @param array $args Connection details. + * @param string $context Full path to the directory that is tested for being writable. + * @return string The transport to use, see description for valid return values. + */ +function get_filesystem_method($args = array(), $context = false) { + $method = defined('FS_METHOD') ? FS_METHOD : false; //Please ensure that this is either 'direct', 'ssh', 'ftpext' or 'ftpsockets' + + if ( ! $method && function_exists('getmyuid') && function_exists('fileowner') ){ + if ( !$context ) + $context = WP_CONTENT_DIR; + $context = trailingslashit($context); + $temp_file_name = $context . 'temp-write-test-' . time(); + $temp_handle = @fopen($temp_file_name, 'w'); + if ( $temp_handle ) { + if ( getmyuid() == @fileowner($temp_file_name) ) + $method = 'direct'; + @fclose($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 + return apply_filters('filesystem_method', $method, $args); +} + +/** + * 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 request_filesystem_credentials filter. + * + * @since 2.5.0 + * + * @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 string $extra_fields Extra POST fields which should be checked for to be included in the post. + * @return boolean False on failure. True on success. + */ +function request_filesystem_credentials($form_post, $type = '', $error = false, $context = false, $extra_fields = null) { + $req_cred = apply_filters( 'request_filesystem_credentials', '', $form_post, $type, $error, $context, $extra_fields ); + if ( '' !== $req_cred ) + return $req_cred; + + if ( empty($type) ) + $type = get_filesystem_method(array(), $context); + + if ( 'direct' == $type ) + return true; + + if ( is_null( $extra_fields ) ) + $extra_fields = array( 'version', 'locale' ); + + $credentials = get_option('ftp_credentials', array( 'hostname' => '', 'username' => '')); + + // 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) + $credentials['hostname'] = defined('FTP_HOST') ? FTP_HOST : (!empty($_POST['hostname']) ? stripslashes($_POST['hostname']) : $credentials['hostname']); + $credentials['username'] = defined('FTP_USER') ? FTP_USER : (!empty($_POST['username']) ? stripslashes($_POST['username']) : $credentials['username']); + $credentials['password'] = defined('FTP_PASS') ? FTP_PASS : (!empty($_POST['password']) ? stripslashes($_POST['password']) : ''); + + // Check to see if we are setting the public/private keys for ssh + $credentials['public_key'] = defined('FTP_PUBKEY') ? FTP_PUBKEY : (!empty($_POST['public_key']) ? stripslashes($_POST['public_key']) : ''); + $credentials['private_key'] = defined('FTP_PRIKEY') ? FTP_PRIKEY : (!empty($_POST['private_key']) ? stripslashes($_POST['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') && 'ssh' == FS_METHOD) ) + $credentials['connection_type'] = 'ssh'; + else if ( (defined('FTP_SSL') && FTP_SSL) && 'ftpext' == $type ) //Only the FTP Extension understands SSL + $credentials['connection_type'] = 'ftps'; + else if ( !empty($_POST['connection_type']) ) + $credentials['connection_type'] = stripslashes($_POST['connection_type']); + else if ( !isset($credentials['connection_type']) ) //All else fails (And its 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']); + update_option('ftp_credentials', $stored_credentials); + return $credentials; + } + $hostname = ''; + $username = ''; + $password = ''; + $connection_type = ''; + if ( !empty($credentials) ) + extract($credentials, EXTR_OVERWRITE); + 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'); + + $types = apply_filters('fs_ftp_connection_types', $types, $credentials, $type, $error, $context); + +?> + +
+
+ +

+

+ + + + + + + + + + + + + + + + + + + + + + + + + + + +
" size="40" />
size="40" />
size="40" />
+
+
+ +

size="40" />
size="40" /> +
+
+ $text ) : ?> + + +
+
+ +'; +} +submit_button( __( 'Proceed' ), 'button', 'upgrade' ); ?> +
+
+