From 8ccabf59a11d9ac7c549b8ffd670ba16a8d63056 Mon Sep 17 00:00:00 2001 From: Glen Whitney Date: Mon, 8 Feb 2021 12:33:53 -0800 Subject: [PATCH] fix: add an exportpods handler --- tablepress-pods.php | 145 +++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 142 insertions(+), 3 deletions(-) diff --git a/tablepress-pods.php b/tablepress-pods.php index c7369d0..6eef9fc 100644 --- a/tablepress-pods.php +++ b/tablepress-pods.php @@ -3,9 +3,9 @@ Plugin Name: TablePress Extension: Pods tables Plugin URI: https://code.studioinfinity.org/glen/tablepress-pods Description: Custom Extension for TablePress to incorporate Pods information in tables -Version: 0.2.7 +Version: 0.2.8 Author: Glen Whitney -Author URI: http ://studioinfinity.org/ +Author URI: http://studioinfinity.org/ */ /* Copyright (C) 2018-2019 Glen Whitney @@ -61,6 +61,7 @@ add_filter( 'tablepress_table_raw_render_data', 'playground_expand_pod', 10, 2 ) add_filter( 'tablepress_admin_view_actions', 'playground_add_export_pod_action'); add_filter( 'tablepress_load_file_full_path', 'playground_exportpods_path', 10, 3); add_filter( 'tablepress_view_data', 'playground_exportpods_data', 10, 2); +add_action( 'admin_post_tablepress_exportpods', 'playground_handle_exportpods'); function playground_add_shortcode_parameter_pods( $default_atts ) { $default_atts['pod_name'] = ''; @@ -86,7 +87,7 @@ function playground_exportpods_path( $fullpath, $filename, $directory ) { } function playground_exportpods_data( $data, $act ) { - if ($action !== 'exportpods') return $data; + if ($act !== 'exportpods') return $data; // Load all table IDs without priming the post meta cache, as table options/visibility are not needed. $data['table_ids'] = TablePress::$model_table->load_all( false ); $data['tables_count'] = TablePress::$model_table->count_tables(); @@ -184,3 +185,141 @@ function playground_expand_pod( $table, $render_options) { $table['visibility']['columns'] = $cvis; return $table; } + +function playground_handle_exportpods () { + TablePress::check_nonce( 'export' ); + + if ( ! current_user_can( 'tablepress_export_tables' ) ) { + wp_die( __( 'Sorry, you are not allowed to access this page.', 'default' ), 403 ); + } + + if ( empty( $_POST['export'] ) || ! is_array( $_POST['export'] ) ) { + TablePress::redirect( array( 'action' => 'export', 'message' => 'error_export' ) ); + } else { + $export = wp_unslash( $_POST['export'] ); + } + + $exporter = TablePress::load_class( 'TablePress_Export', 'class-export.php', 'classes' ); + + if ( empty( $export['tables'] ) ) { + TablePress::redirect( array( 'action' => 'export', 'message' => 'error_export' ) ); + } + if ( empty( $export['format'] ) || ! isset( $exporter->export_formats[ $export['format'] ] ) ) { + TablePress::redirect( array( 'action' => 'export', 'message' => 'error_export' ) ); + } + if ( empty( $export['csv_delimiter'] ) ) { + // Set a value, so that the variable exists. + $export['csv_delimiter'] = ''; + } + if ( 'csv' === $export['format'] && ! isset( $exporter->csv_delimiters[ $export['csv_delimiter'] ] ) ) { + TablePress::redirect( array( 'action' => 'export', 'message' => 'error_export' ) ); + } + + // Use list of tables from concatenated field if available (as that's hopefully not truncated by Suhosin, which is possible for $export['tables']). + $tables = ( ! empty( $export['tables_list'] ) ) ? explode( ',', $export['tables_list'] ) : $export['tables']; + + // Determine if ZIP file support is available. + if ( $exporter->zip_support_available + && ( ( isset( $export['zip_file'] ) && 'true' === $export['zip_file'] ) || count( $tables ) > 1 ) ) { + // Export to ZIP only if ZIP is desired or if more than one table were selected (mandatory then). + $export_to_zip = true; + } else { + $export_to_zip = false; + } + + if ( ! $export_to_zip ) { + // This is only possible for one table, so take the first one. + if ( ! current_user_can( 'tablepress_export_table', $tables[0] ) ) { + wp_die( __( 'Sorry, you are not allowed to access this page.', 'default' ), 403 ); + } + // Load table, with table data, options, and visibility settings. + $table = TablePress::$model_table->load( $tables[0], true, true ); + if ( is_wp_error( $table ) ) { + TablePress::redirect( array( 'action' => 'export', 'message' => 'error_load_table', 'export_format' => $export['format'], 'csv_delimiter' => $export['csv_delimiter'] ) ); + } + if ( isset( $table['is_corrupted'] ) && $table['is_corrupted'] ) { + TablePress::redirect( array( 'action' => 'export', 'message' => 'error_table_corrupted', 'export_format' => $export['format'], 'csv_delimiter' => $export['csv_delimiter'] ) ); + } + $download_filename = sprintf( '%1$s-%2$s-%3$s.%4$s', $table['id'], $table['name'], date( 'Y-m-d' ), $export['format'] ); + $download_filename = sanitize_file_name( $download_filename ); + // Export the table. + $export_data = $exporter->export_table( $table, $export['format'], $export['csv_delimiter'] ); + /** + * Filter the exported table data. + * + * @since 1.6.0 + * + * @param string $export_data The exported table data. + * @param array $table Table to be exported. + * @param string $export_format Format for the export ('csv', 'html', 'json'). + * @param string $csv_delimiter Delimiter for CSV export. + */ + $export_data = apply_filters( 'tablepress_export_data', $export_data, $table, $export['format'], $export['csv_delimiter'] ); + $download_data = $export_data; + } else { + // Zipping can use a lot of memory and execution time, but not this much hopefully. + /** This filter is documented in the WordPress file wp-admin/admin.php */ + @ini_set( 'memory_limit', apply_filters( 'admin_memory_limit', WP_MAX_MEMORY_LIMIT ) ); + @set_time_limit( 300 ); + + $zip_file = new ZipArchive(); + $download_filename = sprintf( 'tablepress-export-%1$s-%2$s.zip', date_i18n( 'Y-m-d-H-i-s' ), $export['format'] ); + $download_filename = sanitize_file_name( $download_filename ); + $full_filename = wp_tempnam( $download_filename ); + if ( true !== $zip_file->open( $full_filename, ZIPARCHIVE::OVERWRITE ) ) { + @unlink( $full_filename ); + TablePress::redirect( array( 'action' => 'export', 'message' => 'error_create_zip_file', 'export_format' => $export['format'], 'csv_delimiter' => $export['csv_delimiter'] ) ); + } + + foreach ( $tables as $table_id ) { + // Don't export tables for which the user doesn't have the necessary export rights. + if ( ! current_user_can( 'tablepress_export_table', $table_id ) ) { + continue; + } + // Load table, with table data, options, and visibility settings. + $table = TablePress::$model_table->load( $table_id, true, true ); + // Don't export if the table could not be loaded. + if ( is_wp_error( $table ) ) { + continue; + } + // Don't export if the table is corrupted. + if ( isset( $table['is_corrupted'] ) && $table['is_corrupted'] ) { + continue; + } + $export_data = $exporter->export_table( $table, $export['format'], $export['csv_delimiter'] ); + /** This filter is documented in controllers/controller-admin.php */ + $export_data = apply_filters( 'tablepress_export_data', $export_data, $table, $export['format'], $export['csv_delimiter'] ); + $export_filename = sprintf( '%1$s-%2$s-%3$s.%4$s', $table['id'], $table['name'], date( 'Y-m-d' ), $export['format'] ); + $export_filename = sanitize_file_name( $export_filename ); + $zip_file->addFromString( $export_filename, $export_data ); + } + + // If something went wrong, or no files were added to the ZIP file, bail out. + if ( ! ZIPARCHIVE::ER_OK === $zip_file->status || 0 === $zip_file->numFiles ) { + $zip_file->close(); + @unlink( $full_filename ); + TablePress::redirect( array( 'action' => 'export', 'message' => 'error_create_zip_file', 'export_format' => $export['format'], 'csv_delimiter' => $export['csv_delimiter'] ) ); + } + $zip_file->close(); + + // Load contents of the ZIP file, to send it as a download. + $download_data = file_get_contents( $full_filename ); + @unlink( $full_filename ); + } + + // Send download headers for export file. + header( 'Content-Description: File Transfer' ); + header( 'Content-Type: application/octet-stream' ); + header( "Content-Disposition: attachment; filename=\"{$download_filename}\"" ); + header( 'Content-Transfer-Encoding: binary' ); + header( 'Expires: 0' ); + header( 'Cache-Control: must-revalidate' ); + header( 'Pragma: public' ); + header( 'Content-Length: ' . strlen( $download_data ) ); + // $filetype = text/csv, text/html, application/json + // header( 'Content-Type: ' . $filetype. '; charset=' . get_option( 'blog_charset' ) ); + @ob_end_clean(); + flush(); + echo $download_data; + exit; +}