laipower/wp-content/plugins/easy-digital-downloads/includes/admin/import/import-functions.php

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<?php
/**
* Import Functions
*
* These are functions are used for import data into Easy Digital Downloads.
*
* @package EDD
* @subpackage Admin/Import
* @copyright Copyright (c) 2018, Easy Digital Downloads, LLC
* @license http://opensource.org/licenses/gpl-2.0.php GNU Public License
*/
// Exit if accessed directly
defined( 'ABSPATH' ) || exit;
/**
* Upload an import file with ajax
*
* @since 2.6
* @return void
*/
function edd_do_ajax_import_file_upload() {
if ( ! wp_verify_nonce( $_REQUEST['edd_ajax_import'], 'edd_ajax_import' ) ) {
wp_send_json_error( array( 'error' => __( 'Nonce verification failed', 'easy-digital-downloads' ) ) );
}
if ( empty( $_POST['edd-import-class'] ) ) {
wp_send_json_error( array( 'error' => __( 'Missing import parameters. Import class must be specified.', 'easy-digital-downloads' ), 'request' => $_REQUEST ) );
}
if ( ! function_exists( 'wp_handle_upload' ) ) {
require_once ABSPATH . 'wp-admin/includes/file.php';
}
require_once EDD_PLUGIN_DIR . 'includes/admin/import/class-batch-import.php';
$importer_class = sanitize_text_field( $_POST['edd-import-class'] );
$is_class_allowed = edd_importer_is_class_allowed( $importer_class );
if ( false === $is_class_allowed ) {
wp_send_json_error( array( 'error' => __( 'Invalid importer class supplied', 'easy-digital-downloads' ) ) );
}
do_action( 'edd_batch_import_class_include', $importer_class );
$import = new $importer_class();
// The import class checks for the user's capability.
if ( ! $import->can_import() ) {
wp_send_json_error( array( 'error' => __( 'You do not have permission to import data', 'easy-digital-downloads' ) ) );
}
if ( empty( $_FILES['edd-import-file'] ) ) {
wp_send_json_error( array( 'error' => __( 'Missing import file. Please provide an import file.', 'easy-digital-downloads' ), 'request' => $_REQUEST ) );
}
if ( empty( $_FILES['edd-import-file']['type'] ) || ! in_array( strtolower( $_FILES['edd-import-file']['type'] ), edd_importer_accepted_mime_types(), true ) ) {
wp_send_json_error( array( 'error' => __( 'The file you uploaded does not appear to be a CSV file.', 'easy-digital-downloads' ), 'request' => $_REQUEST ) );
}
if ( ! file_exists( $_FILES['edd-import-file']['tmp_name'] ) ) {
wp_send_json_error( array( 'error' => __( 'Something went wrong during the upload process, please try again.', 'easy-digital-downloads' ), 'request' => $_REQUEST ) );
}
// Let WordPress import the file. We will remove it after import is complete
$import_file = wp_handle_upload( $_FILES['edd-import-file'], array( 'test_form' => false ) );
if ( $import_file && empty( $import_file['error'] ) ) {
$import->set_up_csv( $import_file['file'] );
wp_send_json_success( array(
'form' => $_POST,
'class' => $importer_class,
'upload' => $import_file,
'first_row' => $import->get_first_row(),
'columns' => $import->get_columns(),
'nonce' => wp_create_nonce( 'edd_ajax_import', 'edd_ajax_import' )
) );
} else {
/**
* Error generated by _wp_handle_upload()
* @see _wp_handle_upload() in wp-admin/includes/file.php
*/
wp_send_json_error( array( 'error' => $import_file['error'] ) );
}
exit;
}
add_action( 'edd_upload_import_file', 'edd_do_ajax_import_file_upload' );
/**
* Process batch imports via ajax
*
* @since 2.6
* @return void
*/
function edd_do_ajax_import() {
require_once EDD_PLUGIN_DIR . 'includes/admin/import/class-batch-import.php';
if( ! wp_verify_nonce( $_REQUEST['nonce'], 'edd_ajax_import' ) ) {
wp_send_json_error( array( 'error' => __( 'Nonce verification failed', 'easy-digital-downloads' ), 'request' => $_REQUEST ) );
}
if ( empty( $_REQUEST['class'] ) ) {
wp_send_json_error( array( 'error' => __( 'Missing import parameters. Import class must be specified.', 'easy-digital-downloads' ), 'request' => $_REQUEST ) );
}
if ( ! file_exists( $_REQUEST['upload']['file'] ) ) {
wp_send_json_error( array( 'error' => __( 'Something went wrong during the upload process, please try again.', 'easy-digital-downloads' ), 'request' => $_REQUEST ) );
}
$file = sanitize_text_field( $_REQUEST['upload']['file'] );
$mime_type_allowed = false;
if ( is_callable( 'mime_content_type' ) ) {
if ( in_array( mime_content_type( $file ), edd_importer_accepted_mime_types(), true ) ) {
$mime_type_allowed = true;
}
} else {
if ( wp_check_filetype( $file, edd_importer_accepted_mime_types() ) ) {
$mime_type_allowed = true;
}
}
if ( false === $mime_type_allowed ) {
wp_send_json_error( array( 'error' => __( 'The file you uploaded does not appear to be a CSV file.', 'easy-digital-downloads' ), 'request' => $_REQUEST ) );
}
$importer_class = sanitize_text_field( $_REQUEST['class'] );
$is_class_allowed = edd_importer_is_class_allowed( $importer_class );
if ( ! $is_class_allowed ) {
wp_send_json_error( array( 'error' => __( 'Invalid importer class supplied', 'easy-digital-downloads' ) ) );
}
do_action( 'edd_batch_import_class_include', $importer_class );
$step = absint( $_REQUEST['step'] );
$class = $importer_class;
$import = new $class( '', $step );
if ( ! $import->can_import() ) {
wp_send_json_error( array( 'error' => __( 'You do not have permission to import data', 'easy-digital-downloads' ) ) );
}
$import->set_up_csv( $file );
parse_str( $_REQUEST['mapping'], $map );
$import->map_fields( $map['edd-import-field'] );
$ret = $import->process_step( $step );
$percentage = $import->get_percentage_complete();
if( $ret ) {
$step += 1;
wp_send_json_success( array(
'step' => $step,
'percentage' => $percentage,
'columns' => $import->get_columns(),
'mapping' => $import->field_mapping,
'total' => $import->total
) );
} elseif ( true === $import->is_empty ) {
wp_send_json_error( array(
'error' => __( 'No data found for import parameters', 'easy-digital-downloads' )
) );
} else {
wp_send_json_success( array(
'step' => 'done',
'message' => sprintf(
__( 'Import complete! <a href="%s">View imported %s</a>.', 'easy-digital-downloads' ),
esc_url( $import->get_list_table_url() ),
esc_html( $import->get_import_type_label() )
)
) );
}
}
add_action( 'wp_ajax_edd_do_ajax_import', 'edd_do_ajax_import' );
/**
* Returns the array of accepted mime types for the importer.
*
* @since 3.0
* @return array
*/
function edd_importer_accepted_mime_types() {
return array(
'text/csv',
'text/comma-separated-values',
'text/plain',
'text/anytext',
'text/*',
'text/plain',
'text/anytext',
'text/*',
'application/csv',
'application/excel',
'application/vnd.ms-excel',
'application/vnd.msexcel',
);
}
/**
* Given an importer class name, is it allowed to process as an importer.
*
* @since 3.0.2
*
* @param string $class The class name to check.
*
* @return bool If the class is allowed to be used as an importer.
*/
function edd_importer_is_class_allowed( $class = '' ) {
$allowed_importer_classes = edd_get_importer_accepted_classes();
return in_array( $class, $allowed_importer_classes, true );
}
/**
* Returns a list of allowed importer classes.
*
* @since 3.0.2
*
* @return array An array of class names to allow during imports.
*/
function edd_get_importer_accepted_classes() {
return apply_filters(
'edd_accepted_importer_classes',
array(
'EDD_Batch_Downloads_Import',
'EDD_Batch_Payments_Import',
)
);
}