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   1  <?php  // $Id: signup_form.php,v 1.35.2.6 2008/07/23 05:21:21 nicolasconnault Exp $
   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          $mform->addElement('passwordunmask', 'password', get_string('password'), 'maxlength="32" size="12"');
  20          $mform->setType('password', PARAM_RAW);
  21          $mform->addRule('password', get_string('missingpassword'), 'required', null, 'server');
  22  
  23          $mform->addElement('header', '', get_string('supplyinfo'),'');
  24  
  25          $mform->addElement('text', 'email', get_string('email'), 'maxlength="100" size="25"');
  26          $mform->setType('email', PARAM_NOTAGS);
  27          $mform->addRule('email', get_string('missingemail'), 'required', null, 'server');
  28  
  29          $mform->addElement('text', 'email2', get_string('emailagain'), 'maxlength="100" size="25"');
  30          $mform->setType('email2', PARAM_NOTAGS);
  31          $mform->addRule('email2', get_string('missingemail'), 'required', null, 'server');
  32  
  33          $nameordercheck = new object();
  34          $nameordercheck->firstname = 'a';
  35          $nameordercheck->lastname  = 'b';
  36          if (fullname($nameordercheck) == 'b a' ) {  // See MDL-4325
  37              $mform->addElement('text', 'lastname',  get_string('lastname'),  'maxlength="100" size="30"');
  38              $mform->addElement('text', 'firstname', get_string('firstname'), 'maxlength="100" size="30"');
  39          } else {
  40              $mform->addElement('text', 'firstname', get_string('firstname'), 'maxlength="100" size="30"');
  41              $mform->addElement('text', 'lastname',  get_string('lastname'),  'maxlength="100" size="30"');
  42          }
  43  
  44          $mform->setType('firstname', PARAM_TEXT);
  45          $mform->addRule('firstname', get_string('missingfirstname'), 'required', null, 'server');
  46  
  47          $mform->setType('lastname', PARAM_TEXT);
  48          $mform->addRule('lastname', get_string('missinglastname'), 'required', null, 'server');
  49  
  50          $mform->addElement('text', 'city', get_string('city'), 'maxlength="20" size="20"');
  51          $mform->setType('city', PARAM_TEXT);
  52          $mform->addRule('city', get_string('missingcity'), 'required', null, 'server');
  53  
  54          $country = get_list_of_countries();
  55          $default_country[''] = get_string('selectacountry');
  56          $country = array_merge($default_country, $country);
  57          $mform->addElement('select', 'country', get_string('country'), $country);
  58          $mform->addRule('country', get_string('missingcountry'), 'required', null, 'server');
  59  
  60          if( !empty($CFG->country) ){
  61              $mform->setDefault('country', $CFG->country);
  62          }else{
  63              $mform->setDefault('country', '');
  64          }
  65  
  66          if (signup_captcha_enabled()) {
  67              $mform->addElement('recaptcha', 'recaptcha_element', get_string('recaptcha', 'auth'), array('https' => $CFG->loginhttps));
  68              $mform->setHelpButton('recaptcha_element', array('recaptcha', get_string('recaptcha', 'auth')));
  69          }
  70  
  71          profile_signup_fields($mform);
  72  
  73          if (!empty($CFG->sitepolicy)) {
  74              $mform->addElement('header', '', get_string('policyagreement'), '');
  75              $mform->addElement('static', 'policylink', '', '<a href="'.$CFG->sitepolicy.'" onclick="this.target=\'_blank\'">'.get_String('policyagreementclick').'</a>');
  76              $mform->addElement('checkbox', 'policyagreed', get_string('policyaccept'));
  77              $mform->addRule('policyagreed', get_string('policyagree'), 'required', null, 'server');
  78          }
  79  
  80          // buttons
  81          $this->add_action_buttons(true, get_string('createaccount'));
  82  
  83      }
  84  
  85      function definition_after_data(){
  86          $mform =& $this->_form;
  87  
  88          $mform->applyFilter('username', 'moodle_strtolower');
  89          $mform->applyFilter('username', 'trim');
  90      }
  91  
  92      function validation($data, $files) {
  93          global $CFG;
  94          $errors = parent::validation($data, $files);
  95  
  96          $authplugin = get_auth_plugin($CFG->registerauth);
  97  
  98          if (record_exists('user', 'username', $data['username'], 'mnethostid', $CFG->mnet_localhost_id)) {
  99              $errors['username'] = get_string('usernameexists');
 100          } else {
 101              if (empty($CFG->extendedusernamechars)) {
 102                  $string = eregi_replace("[^(-\.[:alnum:])]", '', $data['username']);
 103                  if (strcmp($data['username'], $string)) {
 104                      $errors['username'] = get_string('alphanumerical');
 105                  }
 106              }
 107          }
 108  
 109          //check if user exists in external db
 110          //TODO: maybe we should check all enabled plugins instead
 111          if ($authplugin->user_exists($data['username'])) {
 112              $errors['username'] = get_string('usernameexists');
 113          }
 114  
 115  
 116          if (! validate_email($data['email'])) {
 117              $errors['email'] = get_string('invalidemail');
 118  
 119          } else if (record_exists('user', 'email', $data['email'])) {
 120              $errors['email'] = get_string('emailexists').' <a href="forgot_password.php">'.get_string('newpassword').'?</a>';
 121          }
 122          if (empty($data['email2'])) {
 123              $errors['email2'] = get_string('missingemail');
 124  
 125          } else if ($data['email2'] != $data['email']) {
 126              $errors['email2'] = get_string('invalidemail');
 127          }
 128          if (!isset($errors['email'])) {
 129              if ($err = email_is_not_allowed($data['email'])) {
 130                  $errors['email'] = $err;
 131              }
 132  
 133          }
 134  
 135          $errmsg = '';
 136          if (!check_password_policy($data['password'], $errmsg)) {
 137              $errors['password'] = $errmsg;
 138          }
 139  
 140          if (signup_captcha_enabled()) {
 141              $recaptcha_element = $this->_form->getElement('recaptcha_element');
 142              if (!empty($this->_form->_submitValues['recaptcha_challenge_field'])) {
 143                  $challenge_field = $this->_form->_submitValues['recaptcha_challenge_field'];
 144                  $response_field = $this->_form->_submitValues['recaptcha_response_field'];
 145                  if (true !== ($result = $recaptcha_element->verify($challenge_field, $response_field))) {
 146                      $errors['recaptcha'] = $result;
 147                  }
 148              } else {
 149                  $errors['recaptcha'] = get_string('missingrecaptchachallengefield');
 150              }
 151          }
 152  
 153          return $errors;
 154  
 155  
 156      }
 157  }
 158  
 159  ?>