78 lines
1.9 KiB
PHP
78 lines
1.9 KiB
PHP
<?php
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/**
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* WooCommerce API
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*
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* Handles parsing JSON request bodies and generating JSON responses
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*
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* @author WooThemes
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* @category API
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* @package WooCommerce/API
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* @since 2.1
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*/
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if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
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class WC_API_JSON_Handler implements WC_API_Handler {
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/**
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* Get the content type for the response
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*
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* @since 2.1
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* @return string
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*/
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public function get_content_type() {
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return sprintf( '%s; charset=%s', isset( $_GET['_jsonp'] ) ? 'application/javascript' : 'application/json', get_option( 'blog_charset' ) );
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}
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/**
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* Parse the raw request body entity
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*
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* @since 2.1
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* @param string $body the raw request body
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* @return array|mixed
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*/
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public function parse_body( $body ) {
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return json_decode( $body, true );
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}
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/**
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* Generate a JSON response given an array of data
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*
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* @since 2.1
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* @param array $data the response data
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* @return string
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*/
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public function generate_response( $data ) {
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if ( isset( $_GET['_jsonp'] ) ) {
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// JSONP enabled by default
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if ( ! apply_filters( 'woocommerce_api_jsonp_enabled', true ) ) {
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WC()->api->server->send_status( 400 );
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$data = array( array( 'code' => 'woocommerce_api_jsonp_disabled', 'message' => __( 'JSONP support is disabled on this site', 'woocommerce' ) ) );
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}
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// Check for invalid characters (only alphanumeric allowed)
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if ( preg_match( '/\W/', $_GET['_jsonp'] ) ) {
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WC()->api->server->send_status( 400 );
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$data = array( array( 'code' => 'woocommerce_api_jsonp_callback_invalid', __( 'The JSONP callback function is invalid', 'woocommerce' ) ) );
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}
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// see http://miki.it/blog/2014/7/8/abusing-jsonp-with-rosetta-flash/
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WC()->api->server->header( 'X-Content-Type-Options', 'nosniff' );
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// Prepend '/**/' to mitigate possible JSONP Flash attacks
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return '/**/' . $_GET['_jsonp'] . '(' . json_encode( $data ) . ')';
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}
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return json_encode( $data );
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}
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}
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