Added add_user and set_site_settings functions

RemoteControlHandler.php

@@ -88,4 +88,95 @@ class RemoteControlHandler extends remotecontrol_handle
             'permission'=>\Permission::model()->hasSurveyPermission($iSurveyID, $sPermission, $sCRUD),
         );
     }
+
+    /**
+     * Set a global setting
+     *
+     * Function to change site settings. Can only be used by super administrators.
+     *
+     * @access public
+     * @param string $sSessionKey Auth Credentials
+     * @param string $sSetttingName Name of the setting to set
+     * @param string $sValue Value of the setting to set
+     * @return string|array The requested value or an array with the error in case of error
+     */
+    public function set_site_settings($sSessionKey, $sSetttingName, $sValue)
+    {
+        if ($this->_checkSessionKey($sSessionKey)) {
+            if (Permission::model()->hasGlobalPermission('superadmin', 'read')) {
+                $sSetttingName = (string) $sSetttingName;
+                $sValue = (string) $sValue;
+                if (Yii::app()->getConfig($sSetttingName) !== false) {
+                    return SettingGlobal::setSetting($sSetttingName, $sValue);
+                } else {
+                    return array('status' => 'Invalid setting');
+                }
+            } else {
+                return array('status' => 'Permission denied');
+            }
+        } else {
+            return array('status' => 'Invalid session key');
+        }
+    }
+
+    /**
+     * Create User
+     *
+     * Function to ad new survey administrator. Can only be used by administrator having user create permission
+     *
+     * @access public
+     * @param string $sSessionKey Auth Credentials
+     * @param string $sUserName name of the new survey administrator
+     * @param string $sFullName Full name of the new survey administrator
+     * @param string $sUserMail Mail address of the new survey administrator
+     * @param string $bIsSuperadmin Make the new survey administrator a Superadministrator
+     * @return string|array The requested value or an array with the error in case of error
+     */
+    public function add_user($sSessionKey, $sUserName, $sFullName, $sUserMail, $bIsSuperadmin = false)
+    {
+        if ($this->_checkSessionKey($sSessionKey)) {
+            if (Permission::model()->hasGlobalPermission('users', 'create')) {
+                if ($bIsSuperadmin && !Permission::model()->hasGlobalPermission('superadmin', 'create')){
+                    return array('status' => 'Permission to create superadmin denied');
+                }else{
+                    $sFullName = (string) $sFullName;
+                    $sUserMail = (string) $sUserMail;
+                    $new_user = flattenText((string) $sUserName, false, true);
+                    if (empty($new_user)) {
+                        return array('status' => 'Error: A username was not supplied or the username is invalid.');
+                    } elseif (User::model()->find("users_name=:users_name", array(':users_name'=>$new_user))) {
+                        return array('status' => 'Error: The username already exists.');
+                    } else {
+                        // Set parent ID if if could be read. Set it to 1 as a fallback
+                        $parentID = 1;
+                        if (isset(Yii::app()->session['loginID'])) {
+                            $parentID = Yii::app()->session['loginID'];
+                        }
+                        // actual create new user
+                        $iNewUID = User::model()->insertUser($new_user, createPassword(), $sFullName, $parentID, $sUserMail);
+                        if (!$iNewUID) {
+                            return array('status' => 'Error: Failed to add user.');
+                        }
+                        // grant default permissions
+                        Permission::model()->setGlobalPermission($iNewUID, 'auth_ldap');
+                        Permission::model()->setGlobalPermission($iNewUID, 'surveys', array('create_p'));
+                        // grant superadmin permission if specified and allowed
+                        if ($bIsSuperadmin && Permission::model()->hasGlobalPermission('superadmin', 'create')){
+                            Permission::model()->setGlobalPermission($iNewUID, 'superadmin', array('read_p','create_p'));
+                        }
+                        return $iNewUID;
+                    }
+                }
+            } else {
+                return array('status' => 'Permission to create user denied');
+            }
+        } else {
+            return array('status' => 'Invalid session key');
+        }
+    }
+
+    // what is function flattenText() used in useraction.php:102 ???
+    // How can we set parameters for the createPassword() function?
+
+
 }