<?php if ( ! defined( 'ABSPATH' ) ) exit;

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/**

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* Class NF_Fields_Recaptcha

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*/

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class NF_Fields_Recaptcha extends NF_Abstracts_Field

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{

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protected $_name = 'recaptcha';

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protected $_type = 'recaptcha';

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protected $_section = 'misc';

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protected $_icon = 'filter';

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protected $_templates = 'recaptcha';

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protected $_test_value = '';

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protected $_settings = array( 'label', 'classes' );

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public function __construct()

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{

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parent::__construct();

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$this->_nicename = esc_html__( 'Recaptcha', 'ninja-forms' );

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$this->_settings[ 'size '] = array(

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'name' => 'size',

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'type' => 'select',

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'label' => esc_html__( 'Visibility', 'ninja-forms' ),

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'options' => array(

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array(

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'label' => esc_html__( 'Visible', 'ninja-forms' ),

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'value' => 'visible'

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),

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array(

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'label' => esc_html__( 'Invisible', 'ninja-forms' ),

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'value' => 'invisible'

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),

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),

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'width' => 'one-half',

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'group' => 'primary',

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'value' => 'visible',

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'help' => esc_html__( 'Select whether to display a "I\'m not a robot" field or to detect if the user is a robot in the background.', 'ninja-forms' ),

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);

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add_filter( 'nf_sub_hidden_field_types', array( $this, 'hide_field_type' ) );

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}

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public function localize_settings( $settings, $form ) {

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$settings['site_key'] = Ninja_Forms()->get_setting( 'recaptcha_site_key' );

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$settings['theme'] = Ninja_Forms()->get_setting( 'recaptcha_theme' );

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$settings['theme'] = ( $settings['theme'] ) ? $settings['theme'] : 'light';

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$settings['lang'] = Ninja_Forms()->get_setting( 'recaptcha_lang' );

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return $settings;

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}

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public function validate( $field, $data ) {

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if ( empty( $field['value'] ) ) {

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return esc_html__( 'Please complete the recaptcha', 'ninja-forms' );

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}

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$secret_key = Ninja_Forms()->get_setting( 'recaptcha_secret_key' );

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$url = 'https://www.google.com/recaptcha/api/siteverify?secret=' . $secret_key . '&response='.sanitize_text_field( $field['value'] );

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$resp = wp_remote_get( esc_url_raw( $url ) );

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if ( !is_wp_error( $resp ) ) {

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$body = wp_remote_retrieve_body( $resp );

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$response = json_decode( $body );

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if ( $response->success === false ) {

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if ( !empty( $response->{'error-codes'} ) && $response->{'error-codes'} != 'missing-input-response' ) {

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return array( esc_html__( 'Please make sure you have entered your Site & Secret keys correctly', 'ninja-forms' ) );

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}else {

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return array( esc_html__( 'Captcha mismatch. Please enter the correct value in captcha field', 'ninja-forms' ) );

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}

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}

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}

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}

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function hide_field_type( $field_types )

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{

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$field_types[] = $this->_name;

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return $field_types;

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}

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}

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