488 lines
11 KiB
PHP
488 lines
11 KiB
PHP
<?php
|
|
/**
|
|
* Handles CSV export.
|
|
*
|
|
* @package WooCommerce/Export
|
|
* @version 3.1.0
|
|
*/
|
|
|
|
if ( ! defined( 'ABSPATH' ) ) {
|
|
exit;
|
|
}
|
|
|
|
/**
|
|
* WC_CSV_Exporter Class.
|
|
*/
|
|
abstract class WC_CSV_Exporter {
|
|
|
|
/**
|
|
* Type of export used in filter names.
|
|
*
|
|
* @var string
|
|
*/
|
|
protected $export_type = '';
|
|
|
|
/**
|
|
* Filename to export to.
|
|
*
|
|
* @var string
|
|
*/
|
|
protected $filename = 'wc-export.csv';
|
|
|
|
/**
|
|
* Batch limit.
|
|
*
|
|
* @var integer
|
|
*/
|
|
protected $limit = 50;
|
|
|
|
/**
|
|
* Number exported.
|
|
*
|
|
* @var integer
|
|
*/
|
|
protected $exported_row_count = 0;
|
|
|
|
/**
|
|
* Raw data to export.
|
|
*
|
|
* @var array
|
|
*/
|
|
protected $row_data = array();
|
|
|
|
/**
|
|
* Total rows to export.
|
|
*
|
|
* @var integer
|
|
*/
|
|
protected $total_rows = 0;
|
|
|
|
/**
|
|
* Columns ids and names.
|
|
*
|
|
* @var array
|
|
*/
|
|
protected $column_names = array();
|
|
|
|
/**
|
|
* List of columns to export, or empty for all.
|
|
*
|
|
* @var array
|
|
*/
|
|
protected $columns_to_export = array();
|
|
|
|
/**
|
|
* Prepare data that will be exported.
|
|
*/
|
|
abstract public function prepare_data_to_export();
|
|
|
|
/**
|
|
* Return an array of supported column names and ids.
|
|
*
|
|
* @since 3.1.0
|
|
* @return array
|
|
*/
|
|
public function get_column_names() {
|
|
return apply_filters( "woocommerce_{$this->export_type}_export_column_names", $this->column_names, $this );
|
|
}
|
|
|
|
/**
|
|
* Set column names.
|
|
*
|
|
* @since 3.1.0
|
|
* @param array $column_names Column names array.
|
|
*/
|
|
public function set_column_names( $column_names ) {
|
|
$this->column_names = array();
|
|
|
|
foreach ( $column_names as $column_id => $column_name ) {
|
|
$this->column_names[ wc_clean( $column_id ) ] = wc_clean( $column_name );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Return an array of columns to export.
|
|
*
|
|
* @since 3.1.0
|
|
* @return array
|
|
*/
|
|
public function get_columns_to_export() {
|
|
return $this->columns_to_export;
|
|
}
|
|
|
|
/**
|
|
* Set columns to export.
|
|
*
|
|
* @since 3.1.0
|
|
* @param array $columns Columns array.
|
|
*/
|
|
public function set_columns_to_export( $columns ) {
|
|
$this->columns_to_export = array_map( 'wc_clean', $columns );
|
|
}
|
|
|
|
/**
|
|
* See if a column is to be exported or not.
|
|
*
|
|
* @since 3.1.0
|
|
* @param string $column_id ID of the column being exported.
|
|
* @return boolean
|
|
*/
|
|
public function is_column_exporting( $column_id ) {
|
|
$column_id = strstr( $column_id, ':' ) ? current( explode( ':', $column_id ) ) : $column_id;
|
|
$columns_to_export = $this->get_columns_to_export();
|
|
|
|
if ( empty( $columns_to_export ) ) {
|
|
return true;
|
|
}
|
|
|
|
if ( in_array( $column_id, $columns_to_export, true ) || 'meta' === $column_id ) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Return default columns.
|
|
*
|
|
* @since 3.1.0
|
|
* @return array
|
|
*/
|
|
public function get_default_column_names() {
|
|
return array();
|
|
}
|
|
|
|
/**
|
|
* Do the export.
|
|
*
|
|
* @since 3.1.0
|
|
*/
|
|
public function export() {
|
|
$this->prepare_data_to_export();
|
|
$this->send_headers();
|
|
$this->send_content( chr( 239 ) . chr( 187 ) . chr( 191 ) . $this->export_column_headers() . $this->get_csv_data() );
|
|
die();
|
|
}
|
|
|
|
/**
|
|
* Set the export headers.
|
|
*
|
|
* @since 3.1.0
|
|
*/
|
|
public function send_headers() {
|
|
if ( function_exists( 'gc_enable' ) ) {
|
|
gc_enable(); // phpcs:ignore PHPCompatibility.FunctionUse.NewFunctions.gc_enableFound
|
|
}
|
|
if ( function_exists( 'apache_setenv' ) ) {
|
|
@apache_setenv( 'no-gzip', 1 ); // @codingStandardsIgnoreLine
|
|
}
|
|
@ini_set( 'zlib.output_compression', 'Off' ); // @codingStandardsIgnoreLine
|
|
@ini_set( 'output_buffering', 'Off' ); // @codingStandardsIgnoreLine
|
|
@ini_set( 'output_handler', '' ); // @codingStandardsIgnoreLine
|
|
ignore_user_abort( true );
|
|
wc_set_time_limit( 0 );
|
|
wc_nocache_headers();
|
|
header( 'Content-Type: text/csv; charset=utf-8' );
|
|
header( 'Content-Disposition: attachment; filename=' . $this->get_filename() );
|
|
header( 'Pragma: no-cache' );
|
|
header( 'Expires: 0' );
|
|
}
|
|
|
|
/**
|
|
* Set filename to export to.
|
|
*
|
|
* @param string $filename Filename to export to.
|
|
*/
|
|
public function set_filename( $filename ) {
|
|
$this->filename = sanitize_file_name( str_replace( '.csv', '', $filename ) . '.csv' );
|
|
}
|
|
|
|
/**
|
|
* Generate and return a filename.
|
|
*
|
|
* @return string
|
|
*/
|
|
public function get_filename() {
|
|
return sanitize_file_name( apply_filters( "woocommerce_{$this->export_type}_export_get_filename", $this->filename ) );
|
|
}
|
|
|
|
/**
|
|
* Set the export content.
|
|
*
|
|
* @since 3.1.0
|
|
* @param string $csv_data All CSV content.
|
|
*/
|
|
public function send_content( $csv_data ) {
|
|
echo $csv_data; // @codingStandardsIgnoreLine
|
|
}
|
|
|
|
/**
|
|
* Get CSV data for this export.
|
|
*
|
|
* @since 3.1.0
|
|
* @return string
|
|
*/
|
|
protected function get_csv_data() {
|
|
return $this->export_rows();
|
|
}
|
|
|
|
/**
|
|
* Export column headers in CSV format.
|
|
*
|
|
* @since 3.1.0
|
|
* @return string
|
|
*/
|
|
protected function export_column_headers() {
|
|
$columns = $this->get_column_names();
|
|
$export_row = array();
|
|
$buffer = fopen( 'php://output', 'w' ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_read_fopen
|
|
ob_start();
|
|
|
|
foreach ( $columns as $column_id => $column_name ) {
|
|
if ( ! $this->is_column_exporting( $column_id ) ) {
|
|
continue;
|
|
}
|
|
$export_row[] = $this->format_data( $column_name );
|
|
}
|
|
|
|
$this->fputcsv( $buffer, $export_row );
|
|
|
|
return ob_get_clean();
|
|
}
|
|
|
|
/**
|
|
* Get data that will be exported.
|
|
*
|
|
* @since 3.1.0
|
|
* @return array
|
|
*/
|
|
protected function get_data_to_export() {
|
|
return $this->row_data;
|
|
}
|
|
|
|
/**
|
|
* Export rows in CSV format.
|
|
*
|
|
* @since 3.1.0
|
|
* @return string
|
|
*/
|
|
protected function export_rows() {
|
|
$data = $this->get_data_to_export();
|
|
$buffer = fopen( 'php://output', 'w' ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_read_fopen
|
|
ob_start();
|
|
|
|
array_walk( $data, array( $this, 'export_row' ), $buffer );
|
|
|
|
return apply_filters( "woocommerce_{$this->export_type}_export_rows", ob_get_clean(), $this );
|
|
}
|
|
|
|
/**
|
|
* Export rows to an array ready for the CSV.
|
|
*
|
|
* @since 3.1.0
|
|
* @param array $row_data Data to export.
|
|
* @param string $key Column being exported.
|
|
* @param resource $buffer Output buffer.
|
|
*/
|
|
protected function export_row( $row_data, $key, $buffer ) {
|
|
$columns = $this->get_column_names();
|
|
$export_row = array();
|
|
|
|
foreach ( $columns as $column_id => $column_name ) {
|
|
if ( ! $this->is_column_exporting( $column_id ) ) {
|
|
continue;
|
|
}
|
|
if ( isset( $row_data[ $column_id ] ) ) {
|
|
$export_row[] = $this->format_data( $row_data[ $column_id ] );
|
|
} else {
|
|
$export_row[] = '';
|
|
}
|
|
}
|
|
|
|
$this->fputcsv( $buffer, $export_row );
|
|
|
|
++ $this->exported_row_count;
|
|
}
|
|
|
|
/**
|
|
* Get batch limit.
|
|
*
|
|
* @since 3.1.0
|
|
* @return int
|
|
*/
|
|
public function get_limit() {
|
|
return apply_filters( "woocommerce_{$this->export_type}_export_batch_limit", $this->limit, $this );
|
|
}
|
|
|
|
/**
|
|
* Set batch limit.
|
|
*
|
|
* @since 3.1.0
|
|
* @param int $limit Limit to export.
|
|
*/
|
|
public function set_limit( $limit ) {
|
|
$this->limit = absint( $limit );
|
|
}
|
|
|
|
/**
|
|
* Get count of records exported.
|
|
*
|
|
* @since 3.1.0
|
|
* @return int
|
|
*/
|
|
public function get_total_exported() {
|
|
return $this->exported_row_count;
|
|
}
|
|
|
|
/**
|
|
* Escape a string to be used in a CSV context
|
|
*
|
|
* Malicious input can inject formulas into CSV files, opening up the possibility
|
|
* for phishing attacks and disclosure of sensitive information.
|
|
*
|
|
* Additionally, Excel exposes the ability to launch arbitrary commands through
|
|
* the DDE protocol.
|
|
*
|
|
* @see http://www.contextis.com/resources/blog/comma-separated-vulnerabilities/
|
|
* @see https://hackerone.com/reports/72785
|
|
*
|
|
* @since 3.1.0
|
|
* @param string $data CSV field to escape.
|
|
* @return string
|
|
*/
|
|
public function escape_data( $data ) {
|
|
$active_content_triggers = array( '=', '+', '-', '@' );
|
|
|
|
if ( in_array( mb_substr( $data, 0, 1 ), $active_content_triggers, true ) ) {
|
|
$data = "'" . $data . "'";
|
|
}
|
|
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* Format and escape data ready for the CSV file.
|
|
*
|
|
* @since 3.1.0
|
|
* @param string $data Data to format.
|
|
* @return string
|
|
*/
|
|
public function format_data( $data ) {
|
|
if ( ! is_scalar( $data ) ) {
|
|
if ( is_a( $data, 'WC_Datetime' ) ) {
|
|
$data = $data->date( 'Y-m-d G:i:s' );
|
|
} else {
|
|
$data = ''; // Not supported.
|
|
}
|
|
} elseif ( is_bool( $data ) ) {
|
|
$data = $data ? 1 : 0;
|
|
}
|
|
|
|
$use_mb = function_exists( 'mb_convert_encoding' );
|
|
|
|
if ( $use_mb ) {
|
|
$encoding = mb_detect_encoding( $data, 'UTF-8, ISO-8859-1', true );
|
|
$data = 'UTF-8' === $encoding ? $data : utf8_encode( $data );
|
|
}
|
|
|
|
return $this->escape_data( $data );
|
|
}
|
|
|
|
/**
|
|
* Format term ids to names.
|
|
*
|
|
* @since 3.1.0
|
|
* @param array $term_ids Term IDs to format.
|
|
* @param string $taxonomy Taxonomy name.
|
|
* @return string
|
|
*/
|
|
public function format_term_ids( $term_ids, $taxonomy ) {
|
|
$term_ids = wp_parse_id_list( $term_ids );
|
|
|
|
if ( ! count( $term_ids ) ) {
|
|
return '';
|
|
}
|
|
|
|
$formatted_terms = array();
|
|
|
|
if ( is_taxonomy_hierarchical( $taxonomy ) ) {
|
|
foreach ( $term_ids as $term_id ) {
|
|
$formatted_term = array();
|
|
$ancestor_ids = array_reverse( get_ancestors( $term_id, $taxonomy ) );
|
|
|
|
foreach ( $ancestor_ids as $ancestor_id ) {
|
|
$term = get_term( $ancestor_id, $taxonomy );
|
|
if ( $term && ! is_wp_error( $term ) ) {
|
|
$formatted_term[] = $term->name;
|
|
}
|
|
}
|
|
|
|
$term = get_term( $term_id, $taxonomy );
|
|
|
|
if ( $term && ! is_wp_error( $term ) ) {
|
|
$formatted_term[] = $term->name;
|
|
}
|
|
|
|
$formatted_terms[] = implode( ' > ', $formatted_term );
|
|
}
|
|
} else {
|
|
foreach ( $term_ids as $term_id ) {
|
|
$term = get_term( $term_id, $taxonomy );
|
|
|
|
if ( $term && ! is_wp_error( $term ) ) {
|
|
$formatted_terms[] = $term->name;
|
|
}
|
|
}
|
|
}
|
|
|
|
return $this->implode_values( $formatted_terms );
|
|
}
|
|
|
|
/**
|
|
* Implode CSV cell values using commas by default, and wrapping values
|
|
* which contain the separator.
|
|
*
|
|
* @since 3.2.0
|
|
* @param array $values Values to implode.
|
|
* @return string
|
|
*/
|
|
protected function implode_values( $values ) {
|
|
$values_to_implode = array();
|
|
|
|
foreach ( $values as $value ) {
|
|
$value = (string) is_scalar( $value ) ? $value : '';
|
|
$values_to_implode[] = str_replace( ',', '\\,', $value );
|
|
}
|
|
|
|
return implode( ', ', $values_to_implode );
|
|
}
|
|
|
|
/**
|
|
* Write to the CSV file, ensuring escaping works across versions of
|
|
* PHP.
|
|
*
|
|
* PHP 5.5.4 uses '\' as the default escape character. This is not RFC-4180 compliant.
|
|
* \0 disables the escape character.
|
|
*
|
|
* @see https://bugs.php.net/bug.php?id=43225
|
|
* @see https://bugs.php.net/bug.php?id=50686
|
|
* @see https://github.com/woocommerce/woocommerce/issues/19514
|
|
* @since 3.4.0
|
|
* @param resource $buffer Resource we are writing to.
|
|
* @param array $export_row Row to export.
|
|
*/
|
|
protected function fputcsv( $buffer, $export_row ) {
|
|
if ( version_compare( PHP_VERSION, '5.5.4', '<' ) ) {
|
|
ob_start();
|
|
$temp = fopen( 'php://output', 'w' ); // @codingStandardsIgnoreLine
|
|
fputcsv( $temp, $export_row, ",", '"' ); // @codingStandardsIgnoreLine
|
|
fclose( $temp ); // @codingStandardsIgnoreLine
|
|
$row = ob_get_clean();
|
|
$row = str_replace( '\\"', '\\""', $row );
|
|
fwrite( $buffer, $row ); // @codingStandardsIgnoreLine
|
|
} else {
|
|
fputcsv( $buffer, $export_row, ",", '"', "\0" ); // @codingStandardsIgnoreLine
|
|
}
|
|
}
|
|
}
|