login/signup_form.php

   1 <?php
   2
   3 require_once($CFG->libdir.'/formslib.php');
   4 require_once($CFG->dirroot.'/user/profile/lib.php');
   5
   6 class login_signup_form extends moodleform {
   7     function definition() {
   8         global $USER, $CFG;
   9
  10         $mform =& $this->_form;
  11
  12         $mform->addElement('header', '', get_string('createuserandpass'), '');
  13
  14
  15         $mform->addElement('text', 'username', get_string('username'), 'maxlength="100" size="12"');
  16         $mform->setType('username', PARAM_NOTAGS);
  17         $mform->addRule('username', get_string('missingusername'), 'required', null, 'server');
  18
  19         if (!empty($CFG->passwordpolicy)){
  20             $mform->addElement('static', 'passwordpolicyinfo', '', print_password_policy());
  21         }
  22         $mform->addElement('passwordunmask', 'password', get_string('password'), 'maxlength="32" size="12"');
  23         $mform->setType('password', PARAM_RAW);
  24         $mform->addRule('password', get_string('missingpassword'), 'required', null, 'server');
  25
  26         $mform->addElement('header', '', get_string('supplyinfo'),'');
  27
  28         $mform->addElement('text', 'email', get_string('email'), 'maxlength="100" size="25"');
  29         $mform->setType('email', PARAM_NOTAGS);
  30         $mform->addRule('email', get_string('missingemail'), 'required', null, 'server');
  31
  32         $mform->addElement('text', 'email2', get_string('emailagain'), 'maxlength="100" size="25"');
  33         $mform->setType('email2', PARAM_NOTAGS);
  34         $mform->addRule('email2', get_string('missingemail'), 'required', null, 'server');
  35
  36         $nameordercheck = new object();
  37         $nameordercheck->firstname = 'a';
  38         $nameordercheck->lastname  = 'b';
  39         if (fullname($nameordercheck) == 'b a' ) {  // See MDL-4325
  40             $mform->addElement('text', 'lastname',  get_string('lastname'),  'maxlength="100" size="30"');
  41             $mform->addElement('text', 'firstname', get_string('firstname'), 'maxlength="100" size="30"');
  42         } else {
  43             $mform->addElement('text', 'firstname', get_string('firstname'), 'maxlength="100" size="30"');
  44             $mform->addElement('text', 'lastname',  get_string('lastname'),  'maxlength="100" size="30"');
  45         }
  46
  47         $mform->setType('firstname', PARAM_TEXT);
  48         $mform->addRule('firstname', get_string('missingfirstname'), 'required', null, 'server');
  49
  50         $mform->setType('lastname', PARAM_TEXT);
  51         $mform->addRule('lastname', get_string('missinglastname'), 'required', null, 'server');
  52
  53         $mform->addElement('text', 'city', get_string('city'), 'maxlength="20" size="20"');
  54         $mform->setType('city', PARAM_TEXT);
  55         $mform->addRule('city', get_string('missingcity'), 'required', null, 'server');
  56
  57         $country = get_string_manager()->get_list_of_countries();
  58         $default_country[''] = get_string('selectacountry');
  59         $country = array_merge($default_country, $country);
  60         $mform->addElement('select', 'country', get_string('country'), $country);
  61         $mform->addRule('country', get_string('missingcountry'), 'required', null, 'server');
  62
  63         if( !empty($CFG->country) ){
  64             $mform->setDefault('country', $CFG->country);
  65         }else{
  66             $mform->setDefault('country', '');
  67         }
  68
  69         if (signup_captcha_enabled()) {
  70             $mform->addElement('recaptcha', 'recaptcha_element', get_string('recaptcha', 'auth'), array('https' => $CFG->loginhttps));
  71             $mform->setHelpButton('recaptcha_element', array('recaptcha', get_string('recaptcha', 'auth')));
  72         }
  73
  74         profile_signup_fields($mform);
  75
  76         if (!empty($CFG->sitepolicy)) {
  77             $mform->addElement('header', '', get_string('policyagreement'), '');
  78             $mform->addElement('static', 'policylink', '', '<a href="'.$CFG->sitepolicy.'" onclick="this.target=\'_blank\'">'.get_String('policyagreementclick').'</a>');
  79             $mform->addElement('checkbox', 'policyagreed', get_string('policyaccept'));
  80             $mform->addRule('policyagreed', get_string('policyagree'), 'required', null, 'server');
  81         }
  82
  83         // buttons
  84         $this->add_action_buttons(true, get_string('createaccount'));
  85
  86     }
  87
  88     function definition_after_data(){
  89         $mform =& $this->_form;
  90         $mform->applyFilter('username', 'trim');
  91     }
  92
  93     function validation($data, $files) {
  94         global $CFG, $DB;
  95         $errors = parent::validation($data, $files);
  96
  97         $authplugin = get_auth_plugin($CFG->registerauth);
  98
  99         if ($DB->record_exists('user', array('username'=>$data['username'], 'mnethostid'=>$CFG->mnet_localhost_id))) {
 100             $errors['username'] = get_string('usernameexists');
 101         } else {
 102             //check allowed characters
 103             if ($data['username'] !== moodle_strtolower($data['username'])) {
 104                 $errors['username'] = get_string('usernamelowercase');
 105             } else {
 106                 $string = clean_param($data['username'], PARAM_USERNAME);
 107                 if (strcmp($data['username'], $string)) {
 108                     $errors['username'] = get_string('invalidusername');
 109                 }
 110
 111             }
 112         }
 113
 114         //check if user exists in external db
 115         //TODO: maybe we should check all enabled plugins instead
 116         if ($authplugin->user_exists($data['username'])) {
 117             $errors['username'] = get_string('usernameexists');
 118         }
 119
 120
 121         if (! validate_email($data['email'])) {
 122             $errors['email'] = get_string('invalidemail');
 123
 124         } else if ($DB->record_exists('user', array('email'=>$data['email']))) {
 125             $errors['email'] = get_string('emailexists').' <a href="forgot_password.php">'.get_string('newpassword').'?</a>';
 126         }
 127         if (empty($data['email2'])) {
 128             $errors['email2'] = get_string('missingemail');
 129
 130         } else if ($data['email2'] != $data['email']) {
 131             $errors['email2'] = get_string('invalidemail');
 132         }
 133         if (!isset($errors['email'])) {
 134             if ($err = email_is_not_allowed($data['email'])) {
 135                 $errors['email'] = $err;
 136             }
 137
 138         }
 139
 140         $errmsg = '';
 141         if (!check_password_policy($data['password'], $errmsg)) {
 142             $errors['password'] = $errmsg;
 143         }
 144
 145         if (signup_captcha_enabled()) {
 146             $recaptcha_element = $this->_form->getElement('recaptcha_element');
 147             if (!empty($this->_form->_submitValues['recaptcha_challenge_field'])) {
 148                 $challenge_field = $this->_form->_submitValues['recaptcha_challenge_field'];
 149                 $response_field = $this->_form->_submitValues['recaptcha_response_field'];
 150                 if (true !== ($result = $recaptcha_element->verify($challenge_field, $response_field))) {
 151                     $errors['recaptcha'] = $result;
 152                 }
 153             } else {
 154                 $errors['recaptcha'] = get_string('missingrecaptchachallengefield');
 155             }
 156         }
 157
 158         return $errors;
 159
 160
 161     }
 162 }