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<?php
namespace Drupal\mobile_number\Element;
use Drupal\Core\Form\FormStateInterface;
use Drupal\mobile_number\MobileNumberUtilInterface;
use Drupal\mobile_number\Exception\MobileNumberException;
use Drupal\Core\Render\Element\FormElement;
use Drupal\Component\Utility\NestedArray;
use Drupal\Core\Ajax\AjaxResponse;
use Drupal\Core\Ajax\ReplaceCommand;
use Drupal\Core\Ajax\SettingsCommand;
class MobileNumber extends FormElement {
public function getInfo() {
return [
'#input' => TRUE,
'#process' => [
[
$this,
'mobileNumberProcess',
],
],
'#element_validate' => [
[
$this,
'mobileNumberValidate',
],
],
'#mobile_number' => [],
];
}
public static function valueCallback(&$element, $input, FormStateInterface $form_state) {
$util = \Drupal::service('mobile_number.util');
$result = [];
if ($input) {
$settings = !empty($element['#mobile_number']) ? $element['#mobile_number'] : [];
$settings += [
'allowed_countries' => [],
];
$country = !empty($input['country-code']) ? $input['country-code'] : (count($settings['allowed_countries']) == 1 ? key($settings['allowed_countries']) : NULL);
$mobile_number = $util
->getMobileNumber($input['mobile'], $country);
$result = [
'value' => $mobile_number ? $util
->getCallableNumber($mobile_number) : '',
'country' => $country,
'local_number' => $input['mobile'],
'tfa' => !empty($input['tfa']) ? 1 : 0,
'verified' => 0,
'verification_token' => !empty($input['verification_token']) ? $input['verification_token'] : NULL,
'verification_code' => !empty($input['verification_code']) ? $input['verification_code'] : NULL,
];
}
else {
$result = !empty($element['#default_value']) ? $element['#default_value'] : [];
}
return $result;
}
public function mobileNumberProcess($element, FormStateInterface $form_state, array $complete_form) {
$util = \Drupal::service('mobile_number.util');
$element['#tree'] = TRUE;
$field_name = $element['#name'];
$field_path = implode('][', $element['#parents']);
$id = $element['#id'];
$op = $this
->getOp($element, $form_state);
$element += [
'#default_value' => [],
'#mobile_number' => [],
];
$errors = $form_state
->getErrors();
foreach ($errors as $path => $message) {
if (!(strpos($path, $field_path) === 0)) {
unset($errors[$path]);
}
}
$element['#mobile_number'] += [
'allowed_countries' => [],
'verify' => MobileNumberUtilInterface::MOBILE_NUMBER_VERIFY_NONE,
'message' => MobileNumberUtilInterface::MOBILE_NUMBER_DEFAULT_SMS_MESSAGE,
'tfa' => FALSE,
'token_data' => [],
'placeholder' => NULL,
];
$settings = $element['#mobile_number'];
$element['#default_value'] += [
'value' => '',
'country' => count($settings['allowed_countries']) == 1 ? key($settings['allowed_countries']) : 'US',
'local_number' => '',
'verified' => 0,
'tfa' => 0,
];
if ($default_mobile_number = $util
->getMobileNumber($element['#default_value']['value'])) {
$element['#default_value']['country'] = $util
->getCountry($default_mobile_number);
}
$value = $element['#value'];
$element['#prefix'] = "<div class=\"mobile-number-field form-item {$field_name}\" id=\"{$id}\">";
$element['#suffix'] = '</div>';
$element['label'] = [
'#type' => 'label',
'#title' => $element['#title'],
'#required' => $element['#required'],
'#title_display' => $element['#title_display'],
];
$mobile_number = NULL;
$verified = FALSE;
$countries = $util
->getCountryOptions($settings['allowed_countries'], TRUE);
$countries += $util
->getCountryOptions([
$element['#default_value']['country'] => $element['#default_value']['country'],
], TRUE);
$default_country = $element['#default_value']['country'];
if (!empty($value['value']) && ($mobile_number = $util
->getMobileNumber($value['value']))) {
$verified = $settings['verify'] != MobileNumberUtilInterface::MOBILE_NUMBER_VERIFY_NONE && static::isVerified($element);
$default_country = $util
->getCountry($mobile_number);
$country = $util
->getCountry($mobile_number);
$countries += $util
->getCountryOptions([
$country => $country,
]);
}
$element['country-code'] = [
'#type' => 'select',
'#options' => $countries,
'#default_value' => $default_country,
'#access' => !(count($countries) == 1),
'#attributes' => [
'class' => [
'country',
],
],
'#title' => t('Country Code'),
'#title_display' => 'invisible',
];
$element['mobile'] = [
'#type' => 'textfield',
'#default_value' => $mobile_number ? $util
->libUtil()
->format($mobile_number, 2) : NULL,
'#title' => t('Phone number'),
'#title_display' => 'invisible',
'#suffix' => '<div class="form-item verified ' . ($verified ? 'show' : '') . '" title="' . t('Verified') . '"><span>' . t('Verified') . '</span></div>',
'#attributes' => [
'class' => [
'local-number',
],
'placeholder' => isset($settings['placeholder']) ? $settings['placeholder'] ? t($settings['placeholder']) : '' : t('Phone number'),
],
];
$element['mobile']['#attached']['library'][] = 'mobile_number/element';
if ($settings['verify'] != MobileNumberUtilInterface::MOBILE_NUMBER_VERIFY_NONE) {
$element['send_verification'] = [
'#type' => 'button',
'#value' => t('Send verification code'),
'#ajax' => [
'callback' => 'Drupal\\mobile_number\\Element\\MobileNumber::verifyAjax',
'wrapper' => $id,
'effect' => 'fade',
],
'#name' => implode('__', $element['#parents']) . '__send_verification',
'#mobile_number_op' => 'mobile_number_send_verification',
'#attributes' => [
'class' => [
!$verified ? 'show' : '',
'send-button',
],
],
'#submit' => [],
];
$user_input = $form_state
->getUserInput();
$vc_parents = $element['#parents'];
array_push($vc_parents, 'verification_code');
if (NestedArray::getValue($user_input, $vc_parents)) {
NestedArray::setValue($user_input, $vc_parents, '');
$form_state
->setUserInput($user_input);
}
$verify_prompt = !$verified && $op && (!$errors || $op == 'mobile_number_verify');
$element['verification_code'] = [
'#type' => 'textfield',
'#title' => t('Verification Code'),
'#prefix' => '<div class="verification ' . ($verify_prompt ? 'show' : '') . '"><div class="description">' . t('A verification code has been sent to your mobile. Enter it here.') . '</div>',
];
$element['verify'] = [
'#type' => 'button',
'#value' => t('Verify'),
'#ajax' => [
'callback' => 'Drupal\\mobile_number\\Element\\MobileNumber::verifyAjax',
'wrapper' => $id,
'effect' => 'fade',
],
'#suffix' => '</div>',
'#name' => implode('__', $element['#parents']) . '__verify',
'#mobile_number_op' => 'mobile_number_verify',
'#attributes' => [
'class' => [
'verify-button',
],
],
'#submit' => [],
];
if (!empty($settings['tfa'])) {
$element['tfa'] = [
'#type' => 'checkbox',
'#title' => t('Enable two-factor authentication'),
'#default_value' => !empty($value['tfa']) ? 1 : 0,
'#prefix' => '<div class="mobile-number-tfa">',
'#suffix' => '</div>',
];
}
$storage = $form_state
->getStorage();
$element['verification_token'] = [
'#type' => 'hidden',
'#value' => !empty($storage['mobile_number_fields'][$field_path]['token']) ? $storage['mobile_number_fields'][$field_path]['token'] : '',
'#name' => $field_name . '[verification_token]',
];
}
if (!empty($element['#description'])) {
$element['description']['#markup'] = '<div class="description">' . $element['#description'] . '</div>';
}
return $element;
}
public function mobileNumberValidate($element, FormStateInterface $form_state, &$complete_form) {
$util = \Drupal::service('mobile_number.util');
$settings = $element['#mobile_number'];
$op = $this
->getOp($element, $form_state);
$field_label = !empty($element['#field_title']) ? $element['#field_title'] : $element['#title'];
$tree_parents = $element['#parents'];
$field_path = implode('][', $tree_parents);
$input = NestedArray::getValue($form_state
->getUserInput(), $tree_parents);
$input = $input ? $input : [];
$mobile_number = NULL;
$countries = $util
->getCountryOptions([], TRUE);
$token = !empty($element['#value']['verification_token']) ? $element['#value']['verification_token'] : FALSE;
if ($input) {
$input += count($settings['allowed_countries']) == 1 ? [
'country-code' => key($settings['allowed_countries']),
] : [];
try {
$mobile_number = $util
->testMobileNumber($input['mobile'], $input['country-code']);
$verified = static::isVerified($element);
if ($op == 'mobile_number_send_verification' && !$util
->checkFlood($mobile_number, 'sms')) {
$form_state
->setError($element['mobile'], t('Too many verification code requests for %field, please try again shortly.', [
'%field' => $field_label,
]));
}
elseif ($op == 'mobile_number_send_verification' && !$verified && !($token = $util
->sendVerification($mobile_number, $settings['message'], $util
->generateVerificationCode(), $settings['token_data']))) {
$form_state
->setError($element['mobile'], t('An error occurred while sending sms.'));
}
elseif ($op == 'mobile_number_verify' && !$verified && $util
->checkFlood($mobile_number)) {
$verification_parents = $element['#array_parents'];
$verification_element = NestedArray::getValue($complete_form, $verification_parents);
$verification_element['verification_code']['#prefix'] = '<div class="verification show"><div class="description">' . t('A verification code has been sent to your mobile. Enter it here.') . '</div>';
NestedArray::setValue($complete_form, $verification_parents, $verification_element);
}
} catch (MobileNumberException $e) {
switch ($e
->getCode()) {
case MobileNumberException::ERROR_NO_NUMBER:
if (!empty($element['#required']) || $op) {
$form_state
->setError($element['mobile'], t('Phone number in %field is required.', [
'%field' => $field_label,
]));
}
break;
case MobileNumberException::ERROR_INVALID_NUMBER:
case MobileNumberException::ERROR_WRONG_TYPE:
$form_state
->setError($element['mobile'], t('The phone number %value provided for %field is not a valid mobile number for country %country.', [
'%value' => $input['mobile'],
'%field' => $field_label,
'%country' => !empty($countries[$input['country-code']]) ? $countries[$input['country-code']] : '',
]));
break;
case MobileNumberException::ERROR_WRONG_COUNTRY:
$form_state
->setError($element['mobile'], t('The country %value provided for %field does not match the mobile number prefix.', [
'%value' => !empty($countries[$input['country-code']]) ? $countries[$input['country-code']] : '',
'%field' => $field_label,
]));
break;
}
}
}
if (!empty($input['mobile'])) {
$input += count($settings['allowed_countries']) == 1 ? [
'country-code' => key($settings['allowed_countries']),
] : [];
if ($mobile_number = $util
->getMobileNumber($input['mobile'], $input['country-code'])) {
$country = $util
->getCountry($mobile_number);
if ($settings['allowed_countries'] && empty($settings['allowed_countries'][$country])) {
$form_state
->setError($element['country-code'], t('The country %value provided for %field is not an allowed country.', [
'%value' => $util
->getCountryName($country),
'%field' => $field_label,
]));
}
}
}
if (!empty($token)) {
$storage = $form_state
->getStorage();
$storage['mobile_number_fields'][$field_path]['token'] = $token;
$form_state
->setStorage($storage);
}
return $element;
}
public static function verifyAjax($complete_form, FormStateInterface $form_state) {
$util = \Drupal::service('mobile_number.util');
$element = static::getTriggeringElementParent($complete_form, $form_state);
$tree_parents = $element['#parents'];
$field_path = implode('][', $tree_parents);
$storage = $form_state
->getStorage();
$token = !empty($storage['mobile_number_fields'][$field_path]['token']) ? $storage['mobile_number_fields'][$field_path]['token'] : NULL;
$element['verification_token']['#value'] = $token;
$settings = $element['#mobile_number'];
$op = static::getOp($element, $form_state);
$errors = $form_state
->getErrors();
foreach ($errors as $path => $message) {
if (strpos($path, implode('][', $element['#parents'])) === 0) {
$messenger = \Drupal::messenger();
if (isset($message)) {
$messenger
->addMessage($message, 'error');
}
}
else {
unset($errors[$path]);
}
}
$mobile_number = static::getMobileNumber($element);
$verified = FALSE;
$verify_prompt = FALSE;
if ($mobile_number) {
$verified = static::isVerified($element);
$verify_flood_ok = $verified || $util
->checkFlood($mobile_number);
if ($verify_flood_ok) {
if (!$verified && !$errors && $op == 'mobile_number_send_verification') {
$verify_prompt = TRUE;
}
elseif (!$verified && $op == 'mobile_number_verify') {
$verify_prompt = TRUE;
}
}
}
$element['messages'] = [
'#type' => 'status_messages',
];
unset($element['_weight']);
$response = new AjaxResponse();
$response
->addCommand(new ReplaceCommand(NULL, $element));
$settings = [];
if ($verify_prompt) {
$settings['mobileNumberVerificationPrompt'] = $element['#id'];
}
else {
$settings['mobileNumberHideVerificationPrompt'] = $element['#id'];
}
if ($verified) {
$settings['mobileNumberVerified'] = $element['#id'];
}
if ($settings) {
$response
->addCommand(new SettingsCommand($settings));
}
return $response;
}
public static function getOp(array $element, FormStateInterface $form_state) {
$triggering_element = $form_state
->getTriggeringElement();
$op = !empty($triggering_element['#mobile_number_op']) ? $triggering_element['#mobile_number_op'] : NULL;
$button = !empty($triggering_element['#name']) ? $triggering_element['#name'] : NULL;
if (!in_array($button, [
implode('__', $element['#parents']) . '__send_verification',
implode('__', $element['#parents']) . '__verify',
])) {
$op = NULL;
}
return $op;
}
public static function getTriggeringElementParent(array $complete_form, FormStateInterface $form_state) {
$triggering_element = $form_state
->getTriggeringElement();
$parents = $triggering_element['#array_parents'];
array_pop($parents);
$element = NestedArray::getValue($complete_form, $parents);
return $element;
}
public static function getMobileNumber($element, $input_value = TRUE) {
$util = \Drupal::service('mobile_number.util');
if ($input_value) {
$values = !empty($element['#value']['local_number']) ? $element['#value'] : [];
}
else {
$values = !empty($element['#default_value']['local_number']) ? $element['#default_value'] : [];
}
if ($values) {
return $util
->getMobileNumber($values['local_number'], $values['country']);
}
return NULL;
}
public static function isVerified($element) {
$util = \Drupal::service('mobile_number.util');
$mobile_number = static::getMobileNumber($element);
$default_mobile_number = static::getMobileNumber($element, FALSE);
$verified = FALSE;
if ($mobile_number) {
$verified = ($default_mobile_number ? $util
->getCallableNumber($default_mobile_number) == $util
->getCallableNumber($mobile_number) : FALSE) && $element['#default_value']['verified'];
$verified = $verified || $util
->isVerified($mobile_number);
}
return $verified;
}
}