<?php
if ( ! defined( 'WPINC' ) ) {
die;
}
/**
* @since 1.1.0
* Class Epsilon_Ajax_Controller
*/
class Epsilon_Ajax_Controller {
/**
* Epsilon_Ajax_Controller constructor.
*/
public function __construct() {
/**
* Action for easier AJAX handling
*/
add_action( 'wp_ajax_epsilon_framework_ajax_action', array(
$this,
'epsilon_framework_ajax_action',
) );
}
/**
* Ajax handler
*/
public function epsilon_framework_ajax_action() {
if ( !isset( $_POST['args'], $_POST['args']['nonce'] ) || ! wp_verify_nonce( sanitize_key( $_POST['args']['nonce'] ), 'epsilon_nonce' ) ) {
wp_die(
wp_json_encode(
array(
'status' => false,
'error' => esc_html__( 'Not allowed', 'epsilon-framework' ),
)
)
);
}
if ( ! current_user_can( 'manage_options' ) ) {
wp_die(
json_encode(
array(
'status' => false,
'error' => 'Not allowed',
)
)
);
}
$args_action = isset( $_POST['args']['action'] ) ? array_map( 'sanitize_text_field', wp_unslash( $_POST['args']['action'] ) ) : '';
if ( count( $args_action ) !== 2 ) {
wp_die(
wp_json_encode(
array(
'status' => false,
'error' => esc_html__( 'Not allowed', 'epsilon-framework' ),
)
)
);
}
$class = Epsilon_Ajax_Controller::sanitize_class_name( $args_action[0] );
if (! $class || ! class_exists( $class ) ) {
wp_die(
wp_json_encode(
array(
'status' => false,
'error' => esc_html__( 'Class does not exist', 'epsilon-framework' ),
)
)
);
}
$method = $args_action[1];
if ( 'generate_partial_section' === $method ) {
$args = isset( $_POST['args']['args'] ) ? array_map( 'Epsilon_Ajax_Controller::sanitize_arguments_for_output', wp_unslash( $_POST['args']['args'] ) ) : '';
} else {
$args = isset( $_POST['args']['args'] ) ? $_POST['args']['args'] : $_POST['args'];
$args = array_map( 'Epsilon_Ajax_Controller::sanitize_arguments', wp_unslash( $args ) );
}
$response = $class::$method( $args );
if ( is_array( $response ) ) {
wp_die( wp_json_encode( $response ) );
}
if ( 'ok' === $response ) {
wp_die(
wp_json_encode(
array(
'status' => true,
'message' => 'ok',
)
)
);
}
wp_die(
wp_json_encode(
array(
'status' => false,
'message' => 'nok',
)
)
);
}
/**
* Sanitize arguments
*
* @param $args
*/
public static function sanitize_arguments( $args ) {
if ( is_array( $args ) ) {
return array_map( 'sanitize_text_field', $args );
} else {
return sanitize_text_field( $args );
}
}
/**
* Sanitize class name
*
* @param $args
*/
public static function sanitize_class_name( $class ) {
$allowed_classes = array( 'Epsilon_Helper', 'Epsilon_Notify_System', 'Epsilon_Page_Generator', 'Epsilon_Typography', 'Epsilon_Color_Scheme', 'Epsilon_Notifications' );
if ( in_array( $class, $allowed_classes ) ) {
return $class;
}else{
return false;
}
}
/**
* Sanitize arguments for output
*
* @param $args
*/
public static function sanitize_arguments_for_output( $args ) {
if ( is_array( $args ) ) {
return array_map( 'Epsilon_Ajax_Controller::sanitize_arguments_for_output', $args );
} else {
return wp_kses_post( $args );
}
}
}