VCF attachment in Contact Form 7

VCF attachment in Contact Form 7

/**
* Generate VCF from form's data and send as attachment for admin, in Contact Form 7
*
*/
add_action('wpcf7_before_send_mail', 'wpcf7_add_attachment');
function wpcf7_add_attachment($contact_form) {
  global $_POST;
  $submission = WPCF7_Submission::get_instance();
	$vcf_dir = WP_CONTENT_DIR.'/uploads/2017/04/';
	
  if ( $submission ) {
	
		$posted_data = $submission->get_posted_data();
		$card_data['first_name'] = $posted_data['first-name'];
		$card_data['last_name'] = $posted_data['last-name'];
		$card_data['company'] = $posted_data['your-company'];
		$card_data['email1'] = $posted_data['your-email'];
		$card_data['office_tel'] = $posted_data['your-phone'];
		$card_data['title'] = $posted_data['your-title'];
	
		$card_data['display_name'] = $card_data['first_name'] . ' ' . $card_data['last_name'];
		
		$card = "BEGIN:VCARD\r\n";
		$card .= "VERSION:3.0\r\n";
		$card .= "CLASS:PUBLIC\r\n";
		$card .= "PRODID:-//class_vCard from WhatsAPI//NONSGML Version 1//EN\r\n";
		$card .= "REV:" . date('Y-m-d H:i:s') . "\r\n";
		$card .= "FN:" . $card_data['display_name'] . "\r\n";
		$card .= "N:"
				. $card_data['last_name'] . ";"
				. $card_data['first_name'] . ";"
				. '' . ";"
				. '' . ";"
				. ''. "\r\n";

		$card .= "TITLE:" . $card_data['title'] . "\r\n";
		$card .= "ORG:" . $card_data['company'];
		$card .= "EMAIL;type=INTERNET,pref:" . $card_data['email1'] . "\r\n";
		$card .= "TEL;type=WORK,voice:" . $card_data['office_tel'] . "\r\n";
		
		
		$filename = $card_data['display_name'].'-'.rand(99,9999999999).'.vcf';
		file_put_contents($vcf_dir.$filename, $card);

    $mail = $contact_form->prop('mail');
    $mail['attachments'] = 'uploads/2017/04/'.$filename;
    $contact_form->set_properties(array('mail' => $mail));
  }
}
 
add_action('wpcf7_mail_sent', 'after_sent_mail');
function after_sent_mail($wpcf7)
{
		$mail = $wpcf7->prop('mail');
		if(file_exists(WP_CONTENT_DIR.'/'.$mail['attachments']))
			unlink(WP_CONTENT_DIR.'/'.$mail['attachments']);
}

Hi there,

I've been looking for something like this for a while. Where does this code go? I've been reviewing the plugin folder but I'm not sure which file this gets added to.

Thanks