function validation($data, $files)
{
$errors = parent::validation($data, $files);
if (signup_captcha_enabled()) {
$recaptcha_element = $this->_form->getElement('recaptcha_element');
if (!empty($this->_form->_submitValues['recaptcha_challenge_field'])) {
$challenge_field = $this->_form->_submitValues['recaptcha_challenge_field'];
$response_field = $this->_form->_submitValues['recaptcha_response_field'];
if (true !== ($result = $recaptcha_element->verify($challenge_field, $response_field))) {
$errors['recaptcha'] = $result;
}
} else {
$errors['recaptcha'] = get_string('missingrecaptchachallengefield');
}
}
$errors += signup_validate_data($data, $files);
return $errors;
}
/**
* Get the signup required settings and profile fields.
*
* @param string $username username
* @param string $password plain text password
* @param string $firstname the first name(s) of the user
* @param string $lastname the family name of the user
* @param string $email a valid and unique email address
* @param string $city home city of the user
* @param string $country home country code
* @param string $recaptchachallengehash recaptcha challenge hash
* @param string $recaptcharesponse recaptcha response
* @param array $customprofilefields user custom fields (also known as user profile fields)
* @param string $redirect Site url to redirect the user after confirmation
* @return array settings and possible warnings
* @since Moodle 3.2
* @throws moodle_exception
* @throws invalid_parameter_exception
*/
public static function signup_user($username, $password, $firstname, $lastname, $email, $city = '', $country = '', $recaptchachallengehash = '', $recaptcharesponse = '', $customprofilefields = array(), $redirect = '')
{
global $CFG, $PAGE;
$warnings = array();
$params = self::validate_parameters(self::signup_user_parameters(), array('username' => $username, 'password' => $password, 'firstname' => $firstname, 'lastname' => $lastname, 'email' => $email, 'city' => $city, 'country' => $country, 'recaptchachallengehash' => $recaptchachallengehash, 'recaptcharesponse' => $recaptcharesponse, 'customprofilefields' => $customprofilefields, 'redirect' => $redirect));
// We need this to make work the format text functions.
$context = context_system::instance();
$PAGE->set_context($context);
self::check_signup_enabled();
// Validate profile fields param types.
$allowedfields = profile_get_signup_fields();
$fieldproperties = array();
$fieldsrequired = array();
foreach ($allowedfields as $field) {
$fieldproperties[$field->object->inputname] = $field->object->get_field_properties();
if ($field->object->is_required()) {
$fieldsrequired[$field->object->inputname] = true;
}
}
foreach ($params['customprofilefields'] as $profilefield) {
if (!array_key_exists($profilefield['name'], $fieldproperties)) {
throw new invalid_parameter_exception('Invalid field' . $profilefield['name']);
}
list($type, $allownull) = $fieldproperties[$profilefield['name']];
validate_param($profilefield['value'], $type, $allownull);
// Remove from the potential required list.
if (isset($fieldsrequired[$profilefield['name']])) {
unset($fieldsrequired[$profilefield['name']]);
}
}
if (!empty($fieldsrequired)) {
throw new invalid_parameter_exception('Missing required parameters: ' . implode(',', array_keys($fieldsrequired)));
}
// Validate the data sent.
$data = $params;
$data['email2'] = $data['email'];
unset($data['recaptcharesponse']);
unset($data['customprofilefields']);
// Add profile fields data.
foreach ($params['customprofilefields'] as $profilefield) {
// First, check if the value is a json (some profile fields like text area uses an array for sending data).
$datadecoded = json_decode($profilefield['value'], true);
if (is_array($datadecoded) && json_last_error() == JSON_ERROR_NONE) {
$data[$profilefield['name']] = $datadecoded;
} else {
$data[$profilefield['name']] = $profilefield['value'];
}
}
$errors = signup_validate_data($data, array());
// Validate recaptcha.
if (signup_captcha_enabled()) {
require_once $CFG->libdir . '/recaptchalib.php';
$response = recaptcha_check_answer($CFG->recaptchaprivatekey, getremoteaddr(), $params['recaptchachallengehash'], $params['recaptcharesponse'], true);
if (!$response->is_valid) {
$errors['recaptcharesponse'] = $response->error;
}
}
if (!empty($errors)) {
foreach ($errors as $itemname => $message) {
$warnings[] = array('item' => $itemname, 'itemid' => 0, 'warningcode' => 'fielderror', 'message' => s($message));
}
$result = array('success' => false, 'warnings' => $warnings);
} else {
// Save the user.
$user = signup_setup_new_user((object) $data);
$authplugin = get_auth_plugin('email');
// Check if we should redirect the user once the user is confirmed.
$confirmationurl = null;
if (!empty($params['redirect'])) {
// Pass via moodle_url to fix thinks like admin links.
$redirect = new moodle_url($params['redirect']);
$confirmationurl = new moodle_url('/login/confirm.php', array('redirect' => $redirect->out()));
}
$authplugin->user_signup_with_confirmation($user, false, $confirmationurl);
$result = array('success' => true, 'warnings' => array());
}
return $result;
}