%s', esc_url( admin_url( 'admin.php?page=affiliates-admin-recaptcha' ) ), esc_html( __( 'Settings', 'affiliates-recaptcha' ) ) );
$links = $_links + $links;
}
return $links;
}
/**
* Renders the settings page.
*/
public static function settings() {
if ( !current_user_can( 'manage_options' ) ) {
wp_die( esc_html__( 'Access denied.', 'affiliates-recaptcha' ) );
}
if ( isset( $_POST['action'] ) && ( $_POST['action'] == 'save' ) && wp_verify_nonce( $_POST['affiliates-recaptcha'], 'admin' ) ) {
$public_key = !empty( $_POST['public_key'] ) ? trim( strip_tags( $_POST['public_key'] ) ) : '';
$private_key = !empty( $_POST['private_key'] ) ? trim( strip_tags( $_POST['private_key'] ) ) : '';
delete_option( 'affiliates-recaptcha-public-key' );
delete_option( 'affiliates-recaptcha-private-key' );
add_option( 'affiliates-recaptcha-public-key', $public_key, '', 'no' );
add_option( 'affiliates-recaptcha-private-key', $private_key, '', 'no' );
echo
'
' .
esc_html__( 'Settings Saved.', 'affiliates-recaptcha' ) .
'
';
if ( empty( $public_key ) ) {
echo '' .
esc_html__( 'The public key is empty, you must input a valid public key.', 'affiliates-recaptcha' ) .
'
';
}
if ( empty( $public_key ) ) {
echo
'' .
esc_html__( 'The private key is empty, you must input a valid private key.', 'affiliates-recaptcha' ) .
'
';
}
}
$public_key = get_option( 'affiliates-recaptcha-public-key', '' );
$private_key = get_option( 'affiliates-recaptcha-private-key', '' );
echo '';
echo esc_html__( 'Affiliates reCAPTCHA', 'affiliates-recaptcha' );
echo '
';
echo '';
}
/**
* Renders the captcha field.
*
* @param string $field
* @param string $value
* @return string
*/
public static function affiliates_captcha_get( $field, $value ) {
global $affiliates_recaptcha_error;
if ( !isset( $affiliates_recaptcha_error ) ) {
$affiliates_recaptcha_error = null;
}
$field_error = '';
if ( !empty( $affiliates_recaptcha_error ) ) {
$field_error =
'' .
__( 'Please solve the captcha.', 'affiliates-recaptcha' ) .
'
';
}
wp_register_script( 'affiliates-recaptcha-api', 'https://www.google.com/recaptcha/api.js', array( ), '2.0.0' );
wp_enqueue_script( 'affiliates-recaptcha-api' );
$field .= '';
$field .= apply_filters( 'affiliates_recaptcha_field_error', $field_error );
return $field;
}
/**
* Validates the captcha.
*
* @param boolean $result
* @param string $field_value
* @return boolean
*/
public static function affiliates_captcha_validate( $result, $field_value ) {
global $affiliates_recaptcha_error;
if ( isset( $_POST['g-recaptcha-response'] ) ) {
$captcha = $_POST['g-recaptcha-response'];
}
if ( !$captcha ) {
$affiliates_recaptcha_error = true;
return false;
}
$response = wp_remote_get( 'https://www.google.com/recaptcha/api/siteverify?secret=' . get_option( 'affiliates-recaptcha-private-key', '' ) . '&response=' . $captcha . '&remoteip=' . $_SERVER['REMOTE_ADDR'] );
$response = json_decode( $response['body'], true );
if ( $response['success'] !== true ) {
return false;
}
return $result;
}
}
add_action( 'init', array( 'Affiliates_Recaptcha', 'init' ) );