login/signup_form.php

   1 <?php  // $Id$
   2
   3 if (!defined('MOODLE_INTERNAL')) {
   4     die('Direct access to this script is forbidden.');    ///  It must be included from a Moodle page
   5 }
   6
   7 require_once($CFG->libdir.'/formslib.php');
   8 require_once($CFG->dirroot.'/user/profile/lib.php');
   9
  10 class login_signup_form extends moodleform {
  11     function definition() {
  12         global $USER, $CFG;
  13
  14         $mform =& $this->_form;
  15
  16         $mform->addElement('header', '', get_string('createuserandpass'), '');
  17
  18
  19         $mform->addElement('text', 'username', get_string('username'), 'maxlength="100" size="12"');
  20         $mform->setType('username', PARAM_NOTAGS);
  21         $mform->addRule('username', get_string('missingusername'), 'required', null, 'server');
  22
  23         if (!empty($CFG->passwordpolicy)){
  24             $mform->addElement('static', 'passwordpolicyinfo', '', print_password_policy());
  25         }
  26         $mform->addElement('passwordunmask', 'password', get_string('password'), 'maxlength="32" size="12"');
  27         $mform->setType('password', PARAM_RAW);
  28         $mform->addRule('password', get_string('missingpassword'), 'required', null, 'server');
  29
  30         $mform->addElement('header', '', get_string('supplyinfo'),'');
  31
  32         $mform->addElement('text', 'email', get_string('email'), 'maxlength="100" size="25"');
  33         $mform->setType('email', PARAM_NOTAGS);
  34         $mform->addRule('email', get_string('missingemail'), 'required', null, 'server');
  35
  36         $mform->addElement('text', 'email2', get_string('emailagain'), 'maxlength="100" size="25"');
  37         $mform->setType('email2', PARAM_NOTAGS);
  38         $mform->addRule('email2', get_string('missingemail'), 'required', null, 'server');
  39
  40         $nameordercheck = new object();
  41         $nameordercheck->firstname = 'a';
  42         $nameordercheck->lastname  = 'b';
  43         if (fullname($nameordercheck) == 'b a' ) {  // See MDL-4325
  44             $mform->addElement('text', 'lastname',  get_string('lastname'),  'maxlength="100" size="30"');
  45             $mform->addElement('text', 'firstname', get_string('firstname'), 'maxlength="100" size="30"');
  46         } else {
  47             $mform->addElement('text', 'firstname', get_string('firstname'), 'maxlength="100" size="30"');
  48             $mform->addElement('text', 'lastname',  get_string('lastname'),  'maxlength="100" size="30"');
  49         }
  50
  51         $mform->setType('firstname', PARAM_TEXT);
  52         $mform->addRule('firstname', get_string('missingfirstname'), 'required', null, 'server');
  53
  54         $mform->setType('lastname', PARAM_TEXT);
  55         $mform->addRule('lastname', get_string('missinglastname'), 'required', null, 'server');
  56
  57         $mform->addElement('text', 'city', get_string('city'), 'maxlength="20" size="20"');
  58         $mform->setType('city', PARAM_TEXT);
  59         $mform->addRule('city', get_string('missingcity'), 'required', null, 'server');
  60
  61         $country = get_list_of_countries();
  62         $default_country[''] = get_string('selectacountry');
  63         $country = array_merge($default_country, $country);
  64         $mform->addElement('select', 'country', get_string('country'), $country);
  65         $mform->addRule('country', get_string('missingcountry'), 'required', null, 'server');
  66
  67         if( !empty($CFG->country) ){
  68             $mform->setDefault('country', $CFG->country);
  69         }else{
  70             $mform->setDefault('country', '');
  71         }
  72
  73         if (signup_captcha_enabled()) {
  74             $mform->addElement('recaptcha', 'recaptcha_element', get_string('recaptcha', 'auth'), array('https' => $CFG->loginhttps));
  75             $mform->setHelpButton('recaptcha_element', array('recaptcha', get_string('recaptcha', 'auth')));
  76         }
  77
  78         profile_signup_fields($mform);
  79
  80         if (!empty($CFG->sitepolicy)) {
  81             $mform->addElement('header', '', get_string('policyagreement'), '');
  82             $mform->addElement('static', 'policylink', '', '<a href="'.$CFG->sitepolicy.'" onclick="this.target=\'_blank\'">'.get_String('policyagreementclick').'</a>');
  83             $mform->addElement('checkbox', 'policyagreed', get_string('policyaccept'));
  84             $mform->addRule('policyagreed', get_string('policyagree'), 'required', null, 'server');
  85         }
  86
  87         // buttons
  88         $this->add_action_buttons(true, get_string('createaccount'));
  89
  90     }
  91
  92     function definition_after_data(){
  93         $mform =& $this->_form;
  94
  95         $mform->applyFilter('username', 'moodle_strtolower');
  96         $mform->applyFilter('username', 'trim');
  97     }
  98
  99     function validation($data, $files) {
 100         global $CFG;
 101         $errors = parent::validation($data, $files);
 102
 103         $authplugin = get_auth_plugin($CFG->registerauth);
 104
 105         if (record_exists('user', 'username', $data['username'], 'mnethostid', $CFG->mnet_localhost_id)) {
 106             $errors['username'] = get_string('usernameexists');
 107         } else {
 108             if (empty($CFG->extendedusernamechars)) {
 109                 $string = eregi_replace("[^(-\.[:alnum:])]", '', $data['username']);
 110                 if (strcmp($data['username'], $string)) {
 111                     $errors['username'] = get_string('alphanumerical');
 112                 }
 113             }
 114         }
 115
 116         //check if user exists in external db
 117         //TODO: maybe we should check all enabled plugins instead
 118         if ($authplugin->user_exists($data['username'])) {
 119             $errors['username'] = get_string('usernameexists');
 120         }
 121
 122
 123         if (! validate_email($data['email'])) {
 124             $errors['email'] = get_string('invalidemail');
 125
 126         } else if (record_exists('user', 'email', $data['email'])) {
 127             $errors['email'] = get_string('emailexists').' <a href="forgot_password.php">'.get_string('newpassword').'?</a>';
 128         }
 129         if (empty($data['email2'])) {
 130             $errors['email2'] = get_string('missingemail');
 131
 132         } else if ($data['email2'] != $data['email']) {
 133             $errors['email2'] = get_string('invalidemail');
 134         }
 135         if (!isset($errors['email'])) {
 136             if ($err = email_is_not_allowed($data['email'])) {
 137                 $errors['email'] = $err;
 138             }
 139
 140         }
 141
 142         $errmsg = '';
 143         if (!check_password_policy($data['password'], $errmsg)) {
 144             $errors['password'] = $errmsg;
 145         }
 146
 147         if (signup_captcha_enabled()) {
 148             $recaptcha_element = $this->_form->getElement('recaptcha_element');
 149             if (!empty($this->_form->_submitValues['recaptcha_challenge_field'])) {
 150                 $challenge_field = $this->_form->_submitValues['recaptcha_challenge_field'];
 151                 $response_field = $this->_form->_submitValues['recaptcha_response_field'];
 152                 if (true !== ($result = $recaptcha_element->verify($challenge_field, $response_field))) {
 153                     $errors['recaptcha'] = $result;
 154                 }
 155             } else {
 156                 $errors['recaptcha'] = get_string('missingrecaptchachallengefield');
 157             }
 158         }
 159
 160         return $errors;
 161
 162
 163     }
 164 }
 165
 166 ?>