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Diffstat (limited to 'wp-admin/includes/file.php')
| -rw-r--r-- | wp-admin/includes/file.php | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/wp-admin/includes/file.php b/wp-admin/includes/file.php new file mode 100644 index 0000000..2d58852 --- /dev/null +++ b/wp-admin/includes/file.php @@ -0,0 +1,189 @@ +<?php + +$wp_file_descriptions = array ('index.php' => __( '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 )' ), + // Deprecated files + 'wp-layout.css' => __( 'Stylesheet' ), 'wp-comments.php' => __( 'Comments Template' ), 'wp-comments-popup.php' => __( 'Popup Comments Template' )); +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]; + } + + return basename( $file ); +} + +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 ); + } else { + $home_path = ABSPATH; + } + + return $home_path; +} + +function get_real_file_to_edit( $file ) { + if ('index.php' == $file || '.htaccess' == $file ) { + $real_file = get_home_path().$file; + } else { + $real_file = ABSPATH.$file; + } + + return $real_file; +} + +function validate_file( $file, $allowed_files = '' ) { + if ( false !== strpos( $file, './' )) + return 1; + + if (':' == substr( $file, 1, 1 )) + return 2; + + if (!empty ( $allowed_files ) && (!in_array( $file, $allowed_files ) ) ) + return 3; + + return 0; +} + +function validate_file_to_edit( $file, $allowed_files = '' ) { + $file = stripslashes( $file ); + + $code = validate_file( $file, $allowed_files ); + + if (!$code ) + return $file; + + 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.' )); + + 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, $overrides = false ) { + // The default error handler. + if (! function_exists( 'wp_handle_upload_error' ) ) { + function wp_handle_upload_error( &$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'; + + // $_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 <code>upload_max_filesize</code> directive in <code>php.ini</code>." ), + __( "The uploaded file exceeds the <em>MAX_FILE_SIZE</em> 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." )); + + // All tests are on by default. Most can be turned off by $override[{test_name}] = false; + $test_form = true; + $test_size = true; + + // If you override this, you must provide $ext and $type!!!! + $test_type = true; + + // 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 $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 $upload_error_handler( $file, $upload_error_strings[$file['error']] ); + + // A non-empty file will pass this test. + if ( $test_size && !($file['size'] > 0 ) ) + return $upload_error_handler( $file, __( 'File is empty. Please upload something more substantial.' )); + + // 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.' )); + + // 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 ); + + extract( $wp_filetype ); + + if ( ( !$type || !$ext ) && !current_user_can( 'unfiltered_upload' ) ) + return $upload_error_handler( $file, __( 'File type does not meet security guidelines. Try another.' )); + + if ( !$ext ) + $ext = ltrim(strrchr($file['name'], '.'), '.'); + } + + // A writable uploads dir will pass this test. Again, there's no point overriding this one. + if ( ! ( ( $uploads = wp_upload_dir() ) && 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; + } + + // Move the file to the uploads dir + $new_file = $uploads['path'] . "/$filename"; + if ( false === @ move_uploaded_file( $file['tmp_name'], $new_file ) ) + wp_die( __('There was a problem uploading your file. Please try again.' ) ); + + // Set correct file permissions + $stat = stat( dirname( $new_file )); + $perms = $stat['mode'] & 0000666; + @ chmod( $new_file, $perms ); + + // Compute the URL + $url = $uploads['url'] . "/$filename"; + + $return = apply_filters( 'wp_handle_upload', array( 'file' => $new_file, 'url' => $url, 'type' => $type ) ); + + return $return; +} + +?> |