Index: src/wp-admin/includes/admin-filters.php =================================================================== --- src/wp-admin/includes/admin-filters.php (revision 42890) +++ src/wp-admin/includes/admin-filters.php (working copy) @@ -128,3 +128,7 @@ add_action( 'upgrader_process_complete', 'wp_version_check', 10, 0 ); add_action( 'upgrader_process_complete', 'wp_update_plugins', 10, 0 ); add_action( 'upgrader_process_complete', 'wp_update_themes', 10, 0 ); + +// Privacy hooks +add_action( 'admin_init', 'wp_privacy_delete_old_export_files' ); +add_filter( 'wp_privacy_personal_data_export_page', 'wp_privacy_process_personal_data_export_page', 10, 4 ); Index: src/wp-admin/includes/file.php =================================================================== --- src/wp-admin/includes/file.php (revision 42890) +++ src/wp-admin/includes/file.php (working copy) @@ -1934,3 +1934,263 @@ ' . esc_html( $group_data['group_label'] ) . ''; + $group_html .= '
'; + + foreach ( (array) $group_data['items'] as $group_item_id => $group_item_data ) { + $group_html .= ''; + $group_html .= ''; + + foreach ( (array) $group_item_data as $group_item_datum ) { + $group_html .= ''; + $group_html .= ''; + // TODO entities! + $group_html .= ''; + // TODO support attachment links + $group_html .= ''; + } + + $group_html .= ''; + $group_html .= '
' . esc_html( $group_item_datum['name'] ) . '' . esc_html( $group_item_datum['value'] ) . '
'; + } + + $group_html .= '
'; + + return $group_html; +} + +// TODO phpDocs +function wp_privacy_generate_personal_data_export( $exports_dir, $email_address, $personal_data ) { + + // TODO Instead of HTML, return a ZIP containing the HTML and the attachments + $timestamp = current_time( 'timestamp' ); + $index_filename = 'wp-personal-data-export-' . md5( $email_address ) . '-' . md5( $timestamp ) . '.html'; + + $index_path = trailingslashit( $exports_dir ) . $index_filename; + $file = fopen( $index_path, 'w' ); + // TODO catch fopen error + + $title = sprintf( + __( 'Personal Data Export for %s' ), + $email_address + ); + + // Open HTML + fwrite( $file, "\n" ); + fwrite( $file, "\n" ); + + // Head + fwrite( $file, "\n" ); + fwrite( $file, "\n" ); + fwrite( $file, "" ); + fwrite( $file, "" ); + fwrite( $file, esc_html( $title ) ); + fwrite( $file, "" ); + fwrite( $file, "\n" ); + + // Body + fwrite( $file, "\n" ); + + // Heading + fwrite( $file, "

" . esc_html__( 'Personal Data Export' ) . "

" ); + + // And now, all the Groups + $groups = array(); + + // First, build a "About" group on the fly for this report + $groups[] = array( + 'group_id' => 'about', + 'group_label' => __( 'About' ), + 'items' => array( + 'about-1' => array( + array( + 'name' => __( 'Report generated for' ), + 'value' => $email_address, + ), + array( + 'name' => __( 'For site' ), + 'value' => get_bloginfo( 'name' ), + ), + array( + 'name' => __( 'At URL' ), + 'value' => get_bloginfo( 'url' ), + ), + array( + 'name' => __( 'On' ), + 'value' => current_time( 'mysql' ), + ), + ), + ) + ); + + // Next, iterate over every item in $personal_data + // Extract all the unique group_ids, group_labels and item_ids + // Initialize/append the data for each item under its item_id + foreach ( (array) $personal_data as $personal_datum ) { + $group_id = $personal_datum['group_id']; + $group_label = $personal_datum['group_label']; + if ( ! array_key_exists( $group_id, $groups ) ) { + $groups[] = array( + 'group_id' => $group_id, + 'group_label' => $group_label, + 'items' => array(), + ); + } + + $item_id = $personal_datum['item_id']; + if ( ! array_key_exists( $item_id, $groups[ $group_id ]['items'] ) ) { + $groups[ $group_id ]['items'][ $item_id ] = array(); + } + + $old_item_data = $groups[ $group_id ]['items'][ $item_id ]; + $merged_item_data = array_merge( $personal_datum['data'], $old_item_data ); + $groups[ $group_id ]['items'][ $item_id ] = $merged_item_data; + } + + // Now, iterate over every group in $groups and have the formatter render it in HTML + foreach ( (array) $groups as $group ) { + fwrite( $file, wp_privacy_generate_personal_data_export_group_html( $group ) ); + } + + fwrite( $file, "\n" ); + + // Close HTML + fwrite( $file, "\n" ); + fclose( $file ); + + // Now, generate the ZIP + $archive_filename = 'wp-personal-data-export-' . md5( $email_address ) . '-' . md5( $timestamp ) . '.zip'; + $archive_path = trailingslashit( $exports_dir ) . $archive_filename; + + $zip = new ZipArchive; + // TODO test for no ZipArchive to work with + + if ( TRUE === $zip->open( $archive_path, ZipArchive::CREATE ) ) { + $zip->addFile( $index_path, 'index.html' ); + // TODO - add things referenced in wp-content/uploads + $zip->close(); + } else { + error_log( "unable to open zip for creation" ); + // TODO handle error here + } + + // And remove the HTML file + unlink( $index_path ); + + return( + array( + 'timestamp' => $timestamp, + 'filename' => $archive_filename, + ) + ); +} + +// TODO phpDocs +function wp_privacy_process_personal_data_export_page( $response, $exporter_index, $email_address, $page ) { + + // Housekeeping + $upload_dir = wp_upload_dir(); + $exports_dir = $upload_dir['basedir'] . '/exports'; + $exports_url = $upload_dir['baseurl'] . '/exports'; + + // Create the exports folder if needed + $result = wp_mkdir_p( $exports_dir ); + if ( is_wp_error( $result ) ) { + return $result; + } + + // TODO Make sure the exports folder is protected (htaccess, index) + + // Generate a export file option key from the email address + $export_file_option = '_wp_privacy_export_file_' . md5( $email_address ); + + // See if we have an export URL cached for this user already + $export_file_details = get_site_option( $export_file_option, '', false ); + + // And if we do, short circuit the export and send the path back instead + if ( ! empty( $export_file_details ) ) { + $pieces = explode( ':', $export_file_details ); // path:timestamp + $export_file_path = trailingslashit( $exports_dir ) . $pieces[0]; + + if ( file_exists( $export_file_path ) ) { + return( + array( + 'data' => array(), + 'done' => true, + 'url' => $pieces[0], + ) + ); + } + + // No file? Delete the option and continue building the export + delete_site_option( $export_file_option ); + } + + // Generate a (temporary) data storage option key from the email address + $export_data_option = '_wp_privacy_export_data_' . md5( $email_address ); + + // First page of first exporter? Prepare/clear the option where we will assemble all the responses + if ( 1 === $exporter_index && 1 === $page ) { + update_site_option( $export_data_option, array() ); + } + + // Grab whatever data has already been collected on previous exporters and/or pages + $export_data = get_site_option( $export_data_option, array() ); + + // Does the response include data? If so, add this response's data to all the data we have received so far + // TODO - enforce the shape? + // TODO - enforce data as a numeric (not associative) array + $exporter_page_data = $response['data']; + if ( ! empty( $exporter_page_data ) && is_array( $exporter_page_data ) ) { + $export_data = array_merge( $export_data, $exporter_page_data ); + update_site_option( $export_data_option, $export_data ); + } + + // Are we on the last exporter, and did that export say it was done? If not, return now + // so we can continue to collect data for export + $exporters = apply_filters( 'wp_privacy_personal_data_exporters', array() ); + $is_last_exporter = $exporter_index === count( $exporters ); + $exporter_done = $response['done']; + if ( ! $is_last_exporter || ! $exporter_done ) { + return $response; + } + + // TODO de-repetitive-ize the data + + // Generate the export + $result = wp_privacy_generate_personal_data_export( $exports_dir, $email_address, $export_data ); + if ( is_wp_error( $result ) ) { + return $result; + } + + // Get the timestamp and filename from the export + $timestamp = $result['timestamp']; + $filename = $result['filename']; + + // Build the URL for the file + $export_url = trailingslashit( $exports_url ) . $filename; + + // Modify the response to include the URL of the export file + $response['url'] = $export_url; + + // TODO Save the export file in an option for safekeeping + + return $response; +} + +function wp_privacy_delete_old_export_files() { + + // TODO delete old export files and their options + +}