acf-recaptcha-v5.php

<?php

require("lib/autoload.php");

class acf_field_recaptcha extends acf_field {
	
	
	/*
	*  __construct
	*
	*  This function will setup the field type data
	*
	*  @type	function
	*  @date	5/03/2014
	*  @since	5.0.0
	*
	*  @param	n/a
	*  @return	n/a
	*/
	
	function __construct() {
		
		/*
		*  name (string) Single word, no spaces. Underscores allowed
		*/
		
		$this->name = 'recaptcha';
		
		
		/*
		*  label (string) Multiple words, can include spaces, visible when selecting a field type
		*/
		
		$this->label = __('reCAPTCHA', 'acf-recaptcha');
		
		
		/*
		*  category (string) basic | content | choice | relational | jquery | layout | CUSTOM GROUP NAME
		*/
		
		$this->category = 'Custom';
		
		
		/*
		*  defaults (array) Array of default settings which are merged into the field object. These are used later in settings
		*/
		
		$this->defaults = array(
			'site_key'	=> '',
			'secret_key'	=> '',
			're_theme'	=> 'light',
			're_type'	=> 'image',
			're_size'	=> 'normal',
		);
		
		$this->l10n = array(
			'error'	=> __('Please click the checkbox.', 'acf-recaptcha'),
		);
				
		// do not delete!
    	parent::__construct();
    	
	}
	
	
	/*
	*  render_field_settings()
	*
	*  Create extra settings for your field. These are visible when editing a field
	*
	*  @type	action
	*  @since	3.6
	*  @date	23/01/13
	*
	*  @param	$field (array) the $field being edited
	*  @return	n/a
	*/
	
	function render_field_settings( $field ) {
		
		/*
		*  acf_render_field_setting
		*
		*  This function will create a setting for your field. Simply pass the $field parameter and an array of field settings.
		*  The array of settings does not require a `value` or `prefix`; These settings are found from the $field array.
		*
		*  More than one setting can be added by copy/paste the above code.
		*  Please note that you must also have a matching $defaults value for the field name (font_size)
		*/
		
		acf_render_field_setting( $field, array(
			'label'			=> __('Site Key','acf-recaptcha'),
			'instructions'	=> __('Enter your site key from Google reCAPTCHA.','acf-recaptcha'),
			'name'			=> 'site_key',
			'required'	=> true,
		));
		
		acf_render_field_setting( $field, array(
			'label'			=> __('Secret Key','acf-recaptcha'),
			'instructions'	=> __('Enter your secret key from Google reCAPTCHA.','acf-recaptcha'),
			'name'			=> 'secret_key',
			'required'	=> true,
		));
                
                acf_render_field_setting( $field, array(
                        'label'        => __('Theme','acf-recaptcha'), 
                        'type'         => 'radio', 
                        'name'         => 're_theme', 
                        'layout'       => 'horizontal', 
                        'choices'      => array(
                            'light' => __( 'light' ), 
                            'dark' => __( 'dark' ), 
                        ), 
                ));
                
                acf_render_field_setting( $field, array(
                        'label'        => __('Type','acf-recaptcha'), 
                        'type'         => 'radio', 
                        'name'         => 're_type', 
                        'layout'       => 'horizontal', 
                        'choices'      => array(
                            'image' => __( 'image' ), 
                            'audio' => __( 'audio' ), 
                        ), 
                ));
                
                acf_render_field_setting( $field, array(
                        'label'        => __('Size','acf-recaptcha'), 
                        'type'         => 'radio', 
                        'name'         => 're_size', 
                        'layout'       => 'horizontal', 
                        'choices'      => array(
                            'normal' => __( 'normal' ), 
                            'compact' => __( 'compact' ), 
                        ), 
                ));

	}
	
	
	
	/*
	*  render_field()
	*
	*  Create the HTML interface for your field
	*
	*  @param	$field (array) the $field being rendered
	*
	*  @type	action
	*  @since	3.6
	*  @date	23/01/13
	*
	*  @param	$field (array) the $field being edited
	*  @return	n/a
	*/
	
	function render_field( $field ) {
		if (is_admin()) return;
                
		if ($field['site_key'] && $field['secret_key']): ?>
                        <div class="g-recaptcha" data-sitekey="<?php echo $field['site_key'];?>" data-theme="<?php echo $field['re_theme'];?>" data-type="<?php echo $field['re_type'];?>" data-size="<?php echo $field['re_size'];?>" data-callback="acf_captcha_called"></div>
			<input type="hidden" name="<?php echo $field['name']?>">
		<?php else :
			echo "Please enter your site key and secret key first.";
		endif;
	}
	
		
	/*
	*  input_admin_enqueue_scripts()
	*
	*  This action is called in the admin_enqueue_scripts action on the edit screen where your field is created.
	*  Use this action to add CSS + JavaScript to assist your render_field() action.
	*
	*  @type	action (admin_enqueue_scripts)
	*  @since	3.6
	*  @date	23/01/13
	*
	*  @param	n/a
	*  @return	n/a
	*/

	
	
	function input_admin_enqueue_scripts() {
		
		$dir = plugin_dir_url( __FILE__ );
		wp_register_script( 'acf-input-recaptcha', "{$dir}js/input.js" );
		wp_enqueue_script('acf-input-recaptcha');

		if (!is_admin()) wp_enqueue_script('recaptcha-api', 'https://www.google.com/recaptcha/api.js');

	}
	
	
	
	
	/*
	*  input_admin_head()
	*
	*  This action is called in the admin_head action on the edit screen where your field is created.
	*  Use this action to add CSS and JavaScript to assist your render_field() action.
	*
	*  @type	action (admin_head)
	*  @since	3.6
	*  @date	23/01/13
	*
	*  @param	n/a
	*  @return	n/a
	*/
		
	function input_admin_head() {

	}
	
	
	/*
	*  validate_value()
	*
	*  This filter is used to perform validation on the value prior to saving.
	*  All values are validated regardless of the field's required setting. This allows you to validate and return
	*  messages to the user if the value is not correct
	*
	*  @type	filter
	*  @date	11/02/2014
	*  @since	5.0.0
	*
	*  @param	$valid (boolean) validation status based on the value and the field's required setting
	*  @param	$value (mixed) the $_POST value
	*  @param	$field (array) the field array holding all the field options
	*  @param	$input (string) the corresponding input name for $_POST value
	*  @return	$valid
	*/
	
	
	
	function validate_value( $valid, $value, $field, $input ){
		if (!strlen($value)) return false;

		$api = new \ReCaptcha\ReCaptcha($field['secret_key']);
		$response = $api->verify($value, $_SERVER['REMOTE_ADDR']);
		return $response->isSuccess();
	}
	
	
}


// create field
new acf_field_recaptcha();

?>