PHP Group::isAccessibleGroup方法代码示例

 /**
  * @see Action::execute()
  */
 public function execute()
 {
     parent::execute();
     WCF::getUser()->checkPermission('admin.user.canDeleteUser');
     require_once WCF_DIR . 'lib/data/user/UserEditor.class.php';
     require_once WCF_DIR . 'lib/data/user/group/Group.class.php';
     if ($this->userID !== 0) {
         $this->userIDs[] = $this->userID;
     }
     // active user can't delete himself
     $activeUserID = WCF::getSession()->getUser()->userID;
     $this->userIDs = array_diff($this->userIDs, array($activeUserID));
     // check permission
     if (count($this->userIDs) > 0) {
         $sql = "SELECT\tDISTINCT groupID\n\t\t\t\tFROM\twcf" . WCF_N . "_user_to_groups\n\t\t\t\tWHERE\tuserID IN (" . implode(',', $this->userIDs) . ")";
         $result = WCF::getDB()->sendQuery($sql);
         while ($row = WCF::getDB()->fetchArray($result)) {
             if (!Group::isAccessibleGroup($row['groupID'])) {
                 throw new PermissionDeniedException();
             }
         }
     }
     $deletedUsers = UserEditor::deleteUsers($this->userIDs);
     $this->executed();
     if (!empty($this->url) && (strpos($this->url, 'searchID=0') !== false || strpos($this->url, 'searchID=') === false)) {
         HeaderUtil::redirect($this->url);
     } else {
         HeaderUtil::redirect('index.php?form=UserSearch&deletedUsers=' . $deletedUsers . '&packageID=' . PACKAGE_ID . SID_ARG_2ND_NOT_ENCODED);
     }
     exit;
 }

 /**
  * @see Action::execute()
  */
 public function execute()
 {
     AbstractAction::execute();
     // check permission
     WCF::getUser()->checkPermission('admin.user.canBanUser');
     if (count($this->userIDs) > 0) {
         // check permission
         $sql = "SELECT\tDISTINCT groupID\n\t\t\t\tFROM\twcf" . WCF_N . "_user_to_groups\n\t\t\t\tWHERE\tuserID IN (" . implode(',', $this->userIDs) . ")";
         $result = WCF::getDB()->sendQuery($sql);
         while ($row = WCF::getDB()->fetchArray($result)) {
             if (!Group::isAccessibleGroup($row['groupID'])) {
                 throw new PermissionDeniedException();
             }
         }
         // update user
         $sql = "UPDATE\twcf" . WCF_N . "_user\n\t\t\t\tSET\tbanned = 0\n\t\t\t\tWHERE\tuserID IN (" . implode(',', $this->userIDs) . ")";
         WCF::getDB()->sendQuery($sql);
         // unmark users
         UserEditor::unmarkAll();
         // reset sessions
         Session::resetSessions($this->userIDs);
     }
     $this->executed();
     if (!empty($this->url)) {
         HeaderUtil::redirect($this->url);
     } else {
         // set active menu item
         WCFACP::getMenu()->setActiveMenuItem('wcf.acp.menu.link.user.management');
         // show succes message
         WCF::getTPL()->assign('message', 'wcf.acp.user.unban.success');
         WCF::getTPL()->display('success');
     }
     exit;
 }

 /**
  * @see Action::execute()
  */
 public function execute()
 {
     parent::execute();
     // check permission
     WCF::getUser()->checkPermission('admin.user.canEnableUser');
     if (count($this->userIDs) > 0) {
         // check permission
         $sql = "SELECT\tDISTINCT groupID\n\t\t\t\tFROM\twcf" . WCF_N . "_user_to_groups\n\t\t\t\tWHERE\tuserID IN (" . implode(',', $this->userIDs) . ")";
         $result = WCF::getDB()->sendQuery($sql);
         while ($row = WCF::getDB()->fetchArray($result)) {
             if (!Group::isAccessibleGroup($row['groupID'])) {
                 throw new PermissionDeniedException();
             }
         }
         // send notification
         $languages = array(0 => WCF::getLanguage(), WCF::getLanguage()->getLanguageID() => WCF::getLanguage());
         $sql = "SELECT\tuserID, username, email, languageID\n\t\t\t\tFROM\twcf" . WCF_N . "_user\n\t\t\t\tWHERE\tuserID IN (" . implode(',', $this->userIDs) . ")\n\t\t\t\t\tAND activationCode <> 0";
         $result = WCF::getDB()->sendQuery($sql);
         while ($row = WCF::getDB()->fetchArray($result)) {
             if (!isset($languages[$row['languageID']])) {
                 $languages[$row['languageID']] = new Language($row['languageID']);
             }
             $mail = new Mail(array($row['username'] => $row['email']), $languages[$row['languageID']]->get('wcf.acp.user.activation.mail.subject', array('PAGE_TITLE' => $languages[$row['languageID']]->get(PAGE_TITLE))), $languages[$row['languageID']]->get('wcf.acp.user.activation.mail', array('PAGE_TITLE' => $languages[$row['languageID']]->get(PAGE_TITLE), '$username' => $row['username'], 'PAGE_URL' => PAGE_URL, 'MAIL_ADMIN_ADDRESS' => MAIL_ADMIN_ADDRESS)));
             $mail->send();
         }
         // update groups
         $sql = "DELETE FROM\twcf" . WCF_N . "_user_to_groups\n\t\t\t\tWHERE\t\tuserID IN (" . implode(',', $this->userIDs) . ")\n\t\t\t\t\t\tAND groupID = " . Group::getGroupIdByType(Group::GUESTS);
         WCF::getDB()->sendQuery($sql);
         $sql = "INSERT IGNORE INTO\twcf" . WCF_N . "_user_to_groups\n\t\t\t\t\t\t\t(userID, groupID)\n\t\t\t\tVALUES\t\t\t(" . implode(', ' . Group::getGroupIdByType(Group::USERS) . '),(', $this->userIDs) . ", '" . Group::getGroupIdByType(Group::USERS) . "')";
         WCF::getDB()->sendQuery($sql);
         // update user
         $sql = "UPDATE\twcf" . WCF_N . "_user\n\t\t\t\tSET\tactivationCode = 0\n\t\t\t\tWHERE\tuserID IN (" . implode(',', $this->userIDs) . ")";
         WCF::getDB()->sendQuery($sql);
         // unmark users
         UserEditor::unmarkAll();
         // reset sessions
         Session::resetSessions($this->userIDs);
     }
     $this->executed();
     if (!empty($this->url)) {
         HeaderUtil::redirect($this->url);
     } else {
         // set active menu item
         WCFACP::getMenu()->setActiveMenuItem('wcf.acp.menu.link.user.management');
         // show succes message
         WCF::getTPL()->assign('message', 'wcf.acp.user.enable.success');
         WCF::getTPL()->display('success');
     }
     exit;
 }

 /**
  * @see Page::readParameters()
  */
 public function readParameters()
 {
     parent::readParameters();
     if (isset($_REQUEST['userID'])) {
         $this->userID = intval($_REQUEST['userID']);
         require_once WCF_DIR . 'lib/data/user/UserEditor.class.php';
         $this->user = new UserEditor($this->userID);
         if (!$this->user->userID) {
             throw new IllegalLinkException();
         }
         if (!Group::isAccessibleGroup($this->user->getGroupIDs())) {
             throw new PermissionDeniedException();
         }
     }
 }

 /**
  * @see Form::save()
  */
 public function save()
 {
     parent::save();
     $sql = "SELECT\t\tuser.*,\n\t\t\t\t\tGROUP_CONCAT(groupID SEPARATOR ',') AS groupIDs\n\t\t\tFROM\t\twcf" . WCF_N . "_user user\n\t\t\tLEFT JOIN\twcf" . WCF_N . "_user_to_groups groups\n\t\t\tON\t\t(groups.userID = user.userID)\n\t\t\tWHERE\t\tuser.userID IN (" . $this->userIDs . ")\n\t\t\tGROUP BY\tuser.userID";
     $result = WCF::getDB()->sendQuery($sql);
     while ($row = WCF::getDB()->fetchArray($result)) {
         if (!Group::isAccessibleGroup(explode(',', $row['groupIDs']))) {
             throw new PermissionDeniedException();
         }
         $user = new UserEditor(null, $row);
         $user->addToGroups($this->groupIDs, false, false);
     }
     UserEditor::unmarkAll();
     Session::resetSessions(explode(',', $this->userIDs));
     $this->saved();
     WCF::getTPL()->assign('message', 'wcf.acp.user.assignToGroup.success');
     WCF::getTPL()->display('success');
     exit;
 }

 /**
  * @see Action::execute()
  */
 public function execute()
 {
     parent::execute();
     // check permission
     WCF::getUser()->checkPermission('admin.user.canDeleteGroup');
     require_once WCF_DIR . 'lib/data/user/group/GroupEditor.class.php';
     if ($this->groupID !== 0) {
         $this->groupIDs[] = $this->groupID;
     }
     // check permission
     if (!Group::isAccessibleGroup($this->groupIDs)) {
         throw new PermissionDeniedException();
     }
     // check master password
     WCFACP::checkMasterPassword();
     $deletedGroups = GroupEditor::deleteGroups($this->groupIDs);
     $this->executed();
     HeaderUtil::redirect('index.php?page=GroupList&deletedGroups=' . $deletedGroups . '&packageID=' . PACKAGE_ID . SID_ARG_2ND_NOT_ENCODED);
     exit;
 }

 /**
  * @see Action::execute()
  */
 public function execute()
 {
     AbstractAction::execute();
     // check permission
     WCF::getUser()->checkPermission('admin.user.canEnableUser');
     if (count($this->userIDs) > 0) {
         // check permission
         $sql = "SELECT\tDISTINCT groupID\n\t\t\t\tFROM\twcf" . WCF_N . "_user_to_groups\n\t\t\t\tWHERE\tuserID IN (" . implode(',', $this->userIDs) . ")";
         $result = WCF::getDB()->sendQuery($sql);
         while ($row = WCF::getDB()->fetchArray($result)) {
             if (!Group::isAccessibleGroup($row['groupID'])) {
                 throw new PermissionDeniedException();
             }
         }
         // update groups
         $sql = "DELETE FROM\twcf" . WCF_N . "_user_to_groups\n\t\t\t\tWHERE\t\tuserID IN (" . implode(',', $this->userIDs) . ")\n\t\t\t\t\t\tAND groupID <> " . Group::getGroupIdByType(Group::EVERYONE);
         WCF::getDB()->sendQuery($sql);
         $sql = "INSERT IGNORE INTO\twcf" . WCF_N . "_user_to_groups\n\t\t\t\t\t\t\t(userID, groupID)\n\t\t\t\tVALUES\t\t\t(" . implode(', ' . Group::getGroupIdByType(Group::GUESTS) . '),(', $this->userIDs) . ", '" . Group::getGroupIdByType(Group::GUESTS) . "')";
         WCF::getDB()->sendQuery($sql);
         // update activation code
         foreach ($this->userIDs as $userID) {
             $sql = "UPDATE\twcf" . WCF_N . "_user\n\t\t\t\t\tSET\tactivationCode = " . UserRegistrationUtil::getActivationCode() . "\n\t\t\t\t\tWHERE\tuserID = " . $userID;
             WCF::getDB()->sendQuery($sql);
         }
         // unmark users
         UserEditor::unmarkAll();
         // reset sessions
         Session::resetSessions($this->userIDs);
     }
     $this->executed();
     if (!empty($this->url)) {
         HeaderUtil::redirect($this->url);
     } else {
         // set active menu item
         WCFACP::getMenu()->setActiveMenuItem('wcf.acp.menu.link.user.management');
         // show succes message
         WCF::getTPL()->assign('message', 'wcf.acp.user.disable.success');
         WCF::getTPL()->display('success');
     }
     exit;
 }

 /**
  * @see Action::execute()
  */
 public function execute()
 {
     parent::execute();
     // check permission
     WCF::getUser()->checkPermission('admin.user.canEnableUser');
     // get user ids
     $userIDs = WCF::getSession()->getVar('markedUsers');
     if (!is_array($userIDs)) {
         $userIDs = array();
     }
     if (count($userIDs) > 0) {
         // check permission
         $sql = "SELECT\tDISTINCT groupID\n\t\t\t\tFROM\twcf" . WCF_N . "_user_to_groups\n\t\t\t\tWHERE\tuserID IN (" . implode(',', $userIDs) . ")";
         $result = WCF::getDB()->sendQuery($sql);
         while ($row = WCF::getDB()->fetchArray($result)) {
             if (!Group::isAccessibleGroup($row['groupID'])) {
                 throw new PermissionDeniedException();
             }
         }
         // save config in session
         $userMailData = WCF::getSession()->getVar('userMailData');
         if ($userMailData === null) {
             $userMailData = array();
         }
         $mailID = count($userMailData);
         $userMailData[$mailID] = array('action' => '', 'userIDs' => implode(',', $userIDs));
         WCF::getSession()->register('userMailData', $userMailData);
         // unmark users
         UserEditor::unmarkAll();
         $this->executed();
         // show worker template
         WCF::getTPL()->assign(array('pageTitle' => WCF::getLanguage()->get('wcf.acp.user.sendActivationMail'), 'url' => 'index.php?action=UserActivationMail&mailID=' . $mailID . '&packageID=' . PACKAGE_ID . SID_ARG_2ND_NOT_ENCODED));
         WCF::getTPL()->display('worker');
         exit;
     } else {
         $this->executed();
     }
     HeaderUtil::redirect('index.php?form=UserSearch&packageID=' . PACKAGE_ID . SID_ARG_2ND_NOT_ENCODED);
     exit;
 }

 /**
  * @see Page::readParameters()
  */
 public function readParameters()
 {
     AbstractForm::readParameters();
     // get user
     if (isset($_REQUEST['userID'])) {
         $this->userID = intval($_REQUEST['userID']);
         require_once WBB_DIR . 'lib/data/user/AbstractWBBUserSession.class.php';
         $this->user = new AbstractWBBUserSession($this->userID);
         if (!$this->user->userID) {
             throw new IllegalLinkException();
         }
         require_once WCF_DIR . 'lib/data/user/group/Group.class.php';
         if (!Group::isAccessibleGroup($this->user->getGroupIDs())) {
             throw new PermissionDeniedException();
         }
     }
     // active permission
     if (isset($_REQUEST['permissionName'])) {
         $this->permissionName = $_REQUEST['permissionName'];
     }
     $this->readPermissionSettings();
 }

 /**
  * @see Form::validate()
  */
 public function validate()
 {
     parent::validate();
     // user ids
     if (!count($this->userIDs)) {
         throw new IllegalLinkException();
     }
     if (count($this->userIDs) < 2) {
         throw new NamedUserException(WCF::getLanguage()->get('wbb.acp.user.merge.error.tooFew'));
     }
     // check permission
     $sql = "SELECT\tDISTINCT groupID\n\t\t\tFROM\twcf" . WCF_N . "_user_to_groups\n\t\t\tWHERE\tuserID IN (" . implode(',', $this->userIDs) . ")";
     $result = WCF::getDB()->sendQuery($sql);
     while ($row = WCF::getDB()->fetchArray($result)) {
         if (!Group::isAccessibleGroup($row['groupID'])) {
             throw new PermissionDeniedException();
         }
     }
     // user id
     if (!$this->userID || !in_array($this->userID, $this->userIDs)) {
         throw new UserInputException('userID');
     }
 }

 /**
  * @see Form::save()
  */
 public function save()
 {
     parent::save();
     // active user can't ban himself
     $this->userIDArray = array_diff($this->userIDArray, array(WCF::getUser()->userID));
     if (count($this->userIDArray) > 0) {
         // check permission
         $sql = "SELECT\tDISTINCT groupID\n\t\t\t\tFROM\twcf" . WCF_N . "_user_to_groups\n\t\t\t\tWHERE\tuserID IN (" . implode(',', $this->userIDArray) . ")";
         $result = WCF::getDB()->sendQuery($sql);
         while ($row = WCF::getDB()->fetchArray($result)) {
             if (!Group::isAccessibleGroup($row['groupID'])) {
                 throw new PermissionDeniedException();
             }
         }
         // get adminCanMail user option id
         $adminCanMailID = User::getUserOptionID('adminCanMail');
         // update user
         $sql = "UPDATE\twcf" . WCF_N . "_user\n\t\t\t\tSET\tbanned = 1,\n\t\t\t\t\tbanReason = '" . escapeString($this->reason) . "'\n\t\t\t\tWHERE\tuserID IN (" . implode(',', $this->userIDArray) . ")";
         WCF::getDB()->sendQuery($sql);
         // update user options
         if ($adminCanMailID !== null) {
             $sql = "UPDATE\twcf" . WCF_N . "_user_option_value\n\t\t\t\t\tSET\tuserOption" . $adminCanMailID . " = 0\n\t\t\t\t\tWHERE\tuserID IN (" . implode(',', $this->userIDArray) . ")";
             WCF::getDB()->sendQuery($sql);
         }
         // unmark users
         UserEditor::unmarkAll();
         // reset sessions
         Session::resetSessions($this->userIDArray);
     }
     $this->saved();
     // forward
     if (empty($this->url)) {
         $this->url = 'index.php?form=UserSearch&packageID=' . PACKAGE_ID . SID_ARG_2ND_NOT_ENCODED;
     }
     HeaderUtil::redirect($this->url);
     exit;
 }

 /**
  * @see Form::save()
  */
 public function save()
 {
     parent::save();
     // build conditions
     $this->conditions = new ConditionBuilder();
     // static fields
     if (!empty($this->username)) {
         $this->conditions->add("user.username LIKE '%" . addcslashes(escapeString($this->username), '_%') . "%'");
     }
     if (!empty($this->email)) {
         $this->conditions->add("user.email LIKE '%" . addcslashes(escapeString($this->email), '_%') . "%'");
     }
     if (count($this->groupIDArray) > 0) {
         $this->conditions->add("user.userID " . ($this->invertGroupIDs == 1 ? 'NOT ' : '') . "IN (SELECT userID FROM wcf" . WCF_N . "_user_to_groups WHERE groupID IN (" . implode(',', $this->groupIDArray) . "))");
     }
     if (count($this->languageIDArray) > 0) {
         $this->conditions->add("user.languageID IN (" . implode(',', $this->languageIDArray) . ")");
     }
     // dynamic fields
     foreach ($this->activeOptions as $name => $option) {
         $value = isset($this->values[$option['optionName']]) ? $this->values[$option['optionName']] : null;
         $condition = $this->getTypeObject($option['optionType'])->getCondition($option, $value, isset($this->matchExactly[$name]));
         if ($condition !== false) {
             $this->conditions->add($condition);
         }
     }
     // call buildConditions event
     EventHandler::fireAction($this, 'buildConditions');
     // execute action
     switch ($this->action) {
         case 'sendMail':
             WCF::getUser()->checkPermission('admin.user.canMailUser');
             // get user ids
             $userIDArray = array();
             $sql = "SELECT\t\tuser.userID\n\t\t\t\t\tFROM\t\twcf" . WCF_N . "_user user\n\t\t\t\t\tLEFT JOIN\twcf" . WCF_N . "_user_option_value option_value USING (userID)\n\t\t\t\t\t" . $this->conditions->get();
             $result = WCF::getDB()->sendQuery($sql);
             while ($row = WCF::getDB()->fetchArray($result)) {
                 $userIDArray[] = $row['userID'];
                 $this->affectedUsers++;
             }
             // save config in session
             $userMailData = WCF::getSession()->getVar('userMailData');
             if ($userMailData === null) {
                 $userMailData = array();
             }
             $mailID = count($userMailData);
             $userMailData[$mailID] = array('action' => '', 'userIDs' => implode(',', $userIDArray), 'groupIDs' => '', 'subject' => $this->subject, 'text' => $this->text, 'from' => $this->from, 'enableHTML' => $this->enableHTML);
             WCF::getSession()->register('userMailData', $userMailData);
             $this->saved();
             // show worker template
             WCF::getTPL()->assign(array('pageTitle' => WCF::getLanguage()->get('wcf.acp.user.sendMail'), 'url' => 'index.php?action=UserMail&mailID=' . $mailID . '&packageID=' . PACKAGE_ID . SID_ARG_2ND_NOT_ENCODED));
             WCF::getTPL()->display('worker');
             exit;
             break;
         case 'exportMailAddress':
             WCF::getUser()->checkPermission('admin.user.canMailUser');
             // send content type
             header('Content-Type: text/' . $this->fileType . '; charset=' . CHARSET);
             header('Content-Disposition: attachment; filename="export.' . $this->fileType . '"');
             if ($this->fileType == 'xml') {
                 echo "<?xml version=\"1.0\" encoding=\"" . CHARSET . "\"?>\n<addresses>\n";
             }
             // get users
             $sql = "SELECT\t\tuser.email\n\t\t\t\t\tFROM\t\twcf" . WCF_N . "_user user\n\t\t\t\t\tLEFT JOIN\twcf" . WCF_N . "_user_option_value option_value USING (userID)\n\t\t\t\t\t" . $this->conditions->get() . "\n\t\t\t\t\tORDER BY\tuser.email";
             $result = WCF::getDB()->sendQuery($sql);
             $i = 0;
             $j = WCF::getDB()->countRows($result) - 1;
             while ($row = WCF::getDB()->fetchArray($result)) {
                 if ($this->fileType == 'xml') {
                     echo "<address><![CDATA[" . StringUtil::escapeCDATA($row['email']) . "]]></address>\n";
                 } else {
                     echo $this->textSeparator . $row['email'] . $this->textSeparator . ($i < $j ? $this->separator : '');
                 }
                 $i++;
                 $this->affectedUsers++;
             }
             if ($this->fileType == 'xml') {
                 echo "</addresses>";
             }
             $this->saved();
             exit;
             break;
         case 'assignToGroup':
             WCF::getUser()->checkPermission('admin.user.canEditUser');
             $userIDArray = array();
             $sql = "SELECT\t\tuser.*,\n\t\t\t\t\t\t\tGROUP_CONCAT(groupID SEPARATOR ',') AS groupIDs\n\t\t\t\t\tFROM\t\twcf" . WCF_N . "_user user\n\t\t\t\t\tLEFT JOIN\twcf" . WCF_N . "_user_option_value option_value USING (userID)\n\t\t\t\t\tLEFT JOIN\twcf" . WCF_N . "_user_to_groups groups\n\t\t\t\t\tON\t\t(groups.userID = user.userID)\n\t\t\t\t\t" . $this->conditions->get() . "\t\t\n\t\t\t\t\tGROUP BY\tuser.userID";
             $result = WCF::getDB()->sendQuery($sql);
             while ($row = WCF::getDB()->fetchArray($result)) {
                 if (!Group::isAccessibleGroup(explode(',', $row['groupIDs']))) {
                     throw new PermissionDeniedException();
                 }
                 $user = new UserEditor(null, $row);
                 $user->addToGroups($this->assignToGroupIDArray, false, false);
                 $userIDArray[] = $row['userID'];
                 $this->affectedUsers++;
             }
             Session::resetSessions($userIDArray);
//.........这里部分代码省略.........

 /**
  * Gets all user groups and the number of their members.
  */
 protected function readGroups()
 {
     if ($this->items) {
         $sql = "SELECT\t\tuser_group.*, (SELECT COUNT(*) FROM wcf" . WCF_N . "_user_to_groups WHERE groupID = user_group.groupID) AS members\n\t\t\t\tFROM\t\twcf" . WCF_N . "_group user_group\n\t\t\t\tORDER BY\t" . ($this->sortField != 'members' ? 'user_group.' : '') . $this->sortField . " " . $this->sortOrder;
         $result = WCF::getDB()->sendQuery($sql, $this->itemsPerPage, ($this->pageNo - 1) * $this->itemsPerPage);
         while ($row = WCF::getDB()->fetchArray($result)) {
             $row['deletable'] = !WCF::getUser()->getPermission('admin.user.canDeleteGroup') || Group::isMember($row['groupID']) || !Group::isAccessibleGroup($row['groupID']) || $row['groupType'] == Group::EVERYONE || $row['groupType'] == Group::GUESTS || $row['groupType'] == Group::USERS ? 0 : 1;
             $row['editable'] = WCF::getUser()->getPermission('admin.user.canEditGroup') && Group::isAccessibleGroup($row['groupID']) ? 1 : 0;
             $this->groups[] = $row;
         }
     }
 }

 /**
  * @see Form::validate()
  */
 public function validate()
 {
     // validate static user options
     try {
         $this->validateUsername($this->username);
     } catch (UserInputException $e) {
         $this->errorType[$e->getField()] = $e->getType();
     }
     try {
         $this->validateEmail($this->email, $this->confirmEmail);
     } catch (UserInputException $e) {
         $this->errorType[$e->getField()] = $e->getType();
     }
     try {
         $this->validatePassword($this->password, $this->confirmPassword);
     } catch (UserInputException $e) {
         $this->errorType[$e->getField()] = $e->getType();
     }
     // validate user groups
     if (count($this->groupIDs) > 0) {
         require_once WCF_DIR . 'lib/data/user/group/Group.class.php';
         $sql = "SELECT\tgroupID\n\t\t\t\tFROM\twcf" . WCF_N . "_group\n\t\t\t\tWHERE\tgroupID IN (" . implode(',', $this->groupIDs) . ")\n\t\t\t\t\tAND groupType NOT IN (" . Group::GUESTS . ", " . Group::EVERYONE . ", " . Group::USERS . ")";
         $result = WCF::getDB()->sendQuery($sql);
         $this->groupIDs = array();
         while ($row = WCF::getDB()->fetchArray($result)) {
             if (Group::isAccessibleGroup($row['groupID'])) {
                 $this->groupIDs[] = $row['groupID'];
             }
         }
     }
     // validate user language
     require_once WCF_DIR . 'lib/system/language/Language.class.php';
     if (!Language::getLanguage($this->languageID)) {
         // use default language
         $this->languageID = Language::getDefaultLanguageID();
     }
     // validate visible languages
     foreach ($this->visibleLanguages as $key => $visibleLanguage) {
         if (!($language = Language::getLanguage($visibleLanguage)) || !$language['hasContent']) {
             unset($this->visibleLanguages[$key]);
         }
     }
     if (!count($this->visibleLanguages) && ($language = Language::getLanguage($this->languageID)) && $language['hasContent']) {
         $this->visibleLanguages[] = $this->languageID;
     }
     // validate dynamic options
     parent::validate();
 }

 /**
  * Gets the list of results.
  */
 protected function readUsers()
 {
     // get user ids
     $userIDs = array();
     $sql = "SELECT\t\tuser_table.userID\n\t\t\tFROM\t\twcf" . WCF_N . "_user user_table\n\t\t\t" . (isset($this->options[$this->sortField]) ? "LEFT JOIN wcf" . WCF_N . "_user_option_value USING (userID)" : '') . "\n\t\t\t" . (!empty($this->sqlConditions) ? 'WHERE ' . $this->sqlConditions : '') . "\n\t\t\tORDER BY\t" . ($this->sortField != 'email' && isset($this->options[$this->sortField]) ? 'userOption' . $this->options[$this->sortField]['optionID'] : $this->sortField) . " " . $this->sortOrder;
     $result = WCF::getDB()->sendQuery($sql, $this->itemsPerPage, ($this->pageNo - 1) * $this->itemsPerPage);
     while ($row = WCF::getDB()->fetchArray($result)) {
         $userIDs[] = $row['userID'];
     }
     // get user data
     if (count($userIDs)) {
         $sql = "SELECT\t\toption_value.*, user_table.*,\n\t\t\t\t\t\tGROUP_CONCAT(groupID SEPARATOR ',') AS groupIDs\n\t\t\t\tFROM\t\twcf" . WCF_N . "_user user_table\n\t\t\t\tLEFT JOIN\twcf" . WCF_N . "_user_option_value option_value\n\t\t\t\tON\t\t(option_value.userID = user_table.userID)\n\t\t\t\tLEFT JOIN\twcf" . WCF_N . "_user_to_groups groups\n\t\t\t\tON\t\t(groups.userID = user_table.userID)\n\t\t\t\tWHERE\t\tuser_table.userID IN (" . implode(',', $userIDs) . ")\n\t\t\t\tGROUP BY\tuser_table.userID\n\t\t\t\tORDER BY\t" . ($this->sortField != 'email' && isset($this->options[$this->sortField]) ? 'option_value.userOption' . $this->options[$this->sortField]['optionID'] : 'user_table.' . $this->sortField) . " " . $this->sortOrder;
         $result = WCF::getDB()->sendQuery($sql);
         while ($row = WCF::getDB()->fetchArray($result)) {
             $accessible = Group::isAccessibleGroup(explode(',', $row['groupIDs']));
             $row['accessible'] = $accessible;
             $row['deletable'] = $accessible && WCF::getUser()->getPermission('admin.user.canDeleteUser') && $row['userID'] != WCF::getUser()->userID ? 1 : 0;
             $row['editable'] = $accessible && WCF::getUser()->getPermission('admin.user.canEditUser') ? 1 : 0;
             $row['isMarked'] = intval(in_array($row['userID'], $this->markedUsers));
             $this->users[] = new User(null, $row);
         }
         // get special columns
         foreach ($this->users as $key => $user) {
             foreach ($this->columns as $column) {
                 if (isset($this->options[$column])) {
                     if ($this->options[$column]['outputClass']) {
                         $outputObj = $this->getOutputObject($this->options[$column]['outputClass']);
                         $this->columnValues[$user->userID][$column] = $outputObj->getOutput($user, $this->options[$column], $user->{$column});
                     } else {
                         $this->columnValues[$user->userID][$column] = StringUtil::encodeHTML($user->{$column});
                     }
                 } else {
                     switch ($column) {
                         case 'email':
                             $this->columnValues[$user->userID][$column] = '<a href="mailto:' . StringUtil::encodeHTML($user->email) . '">' . StringUtil::encodeHTML($user->email) . '</a>';
                             break;
                         case 'registrationDate':
                             $this->columnValues[$user->userID][$column] = DateUtil::formatDate(null, $user->{$column});
                             break;
                     }
                 }
             }
         }
     }
 }