/**
* This is where form elements are defined
*/
public function generateFields()
{
// Name field
$name = new FormField(FormField::TYPE_TEXT_INPUT);
$name->setName('name')->setAttributes(['placeholder' => 'Minta János', 'id' => 'name'])->setMandatory(true);
$this->formFields['name'] = $name;
// Phone
$phone = new FormField(FormField::TYPE_TEXT_INPUT);
$phone->setName('phone')->setAttributes(['placeholder' => '+36 30 111 2222', 'id' => 'phone'])->setSanitizationCallback(function ($value) {
// only numbers, whitespaces and +
return trim(preg_replace($this->phoneNumberPattern, '', $value));
})->setValidationCallback(function ($value) {
// Length constrain
if (strlen($value) < 5) {
return 'Telephone number is not valid';
}
// Regex constrain
if (preg_match($this->phoneNumberPattern, $value)) {
return 'Telephone number is not valid';
}
// False means it's OK!
return false;
})->setMandatory(true);
$this->formFields['phone'] = $phone;
// Email
$email = new FormField(FormField::TYPE_TEXT_INPUT);
$email->setName('email')->setAttributes(['placeholder' => '*****@*****.**', 'id' => 'email'])->setMandatory(true)->setSanitizationCallback(function ($value) {
return sanitize_email($value);
})->setValidationCallback(function ($value) {
//var_dump('validating email: '.$value);
if (!is_email($value)) {
return 'Email is not valid';
}
// False means it's OK!
return false;
});
$this->formFields['email'] = $email;
// Submit
$submit = new FormField(FormField::TYPE_SUBMIT);
$submit->setValue('Elküldöm');
$this->formFields['submit'] = $submit;
}
/**
* Add CSRF token hidden input field
*/
private function addCSRFTokenField()
{
$this->nonceValue = $this->createNonce();
$nonce = new FormField(FormField::TYPE_HIDDEN);
$nonce->setName('nonce')->setValue($this->createNonce())->setValidationCallback(function ($value) {
if (function_exists('wp_verify_nonce')) {
if (!wp_verify_nonce($value, $this->nonceKey)) {
throw new \Exception('Unauthorized request');
}
} else {
if (!isset($_SESSION['csrf_tokens'][$value])) {
throw new \Exception('Unauthorized request');
} else {
unset($_SESSION['csrf_tokens'][$value]);
}
}
return false;
})->setMandatory(true);
$key = 'nonce';
$this->addField($key, $nonce);
}