class.ilShibbolethRoleAssignmentRules.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2006 ILIAS open source, University of Cologne            |
        |                                                                             |
        | This program is free software; you can redistribute it and/or               |
        | modify it under the terms of the GNU General Public License                 |
        | as published by the Free Software Foundation; either version 2              |
        | of the License, or (at your option) any later version.                      |
        |                                                                             |
        | This program is distributed in the hope that it will be useful,             |
        | but WITHOUT ANY WARRANTY; without even the implied warranty of              |
        | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               |
        | GNU General Public License for more details.                                |
        |                                                                             |
        | You should have received a copy of the GNU General Public License           |
        | along with this program; if not, write to the Free Software                 |
        | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
        +-----------------------------------------------------------------------------+
*/

include_once './Services/AuthShibboleth/classes/class.ilShibbolethRoleAssignmentRule.php';

class ilShibbolethRoleAssignmentRules {

        protected static $active_plugins = NULL;


        public static function getAllRules() {
                global $ilDB;
                $rules = array();
                $query = "SELECT rule_id FROM shib_role_assignment ORDER BY rule_id";
                $res = $ilDB->query($query);
                while ($row = $res->fetchRow(DB_FETCHMODE_OBJECT)) {
                        $rules[$row->rule_id] = new ilShibbolethRoleAssignmentRule($row->rule_id);
                }

                return $rules;
        }


        public static function getCountRules() {
                global $ilDB;
                $query = "SELECT COUNT(*) num FROM shib_role_assignment ";
                $res = $ilDB->query($query);
                while ($row = $res->fetchRow(DB_FETCHMODE_OBJECT)) {
                        return $row->num;
                }

                return 0;
        }


        public static function updateAssignments($a_usr_id, $a_data) {
                require_once('./Services/AuthShibboleth/classes/Config/class.shibConfig.php');

                global $ilDB, $rbacadmin, $rbacreview, $ilLog;
                $query = "SELECT rule_id,add_on_update,remove_on_update FROM shib_role_assignment " . "WHERE add_on_update = 1 OR remove_on_update = 1";
                $res = $ilDB->query($query);
                while ($row = $res->fetchRow(DB_FETCHMODE_OBJECT)) {
                        $rule = new ilShibbolethRoleAssignmentRule($row->rule_id);
                        //                      $matches = $rule->matches($a_data);
                        if ($rule->doesMatch($a_data) and $row->add_on_update) {
                                $ilLog->write(__METHOD__ . ': Assigned to role ' . ilObject::_lookupTitle($rule->getRoleId()));
                                $rbacadmin->assignUser($rule->getRoleId(), $a_usr_id);
                        }
                        if (! $rule->doesMatch($a_data) and $row->remove_on_update) {
                                $ilLog->write(__METHOD__ . ': Deassigned from role ' . ilObject::_lookupTitle($rule->getRoleId()));
                                $rbacadmin->deassignUser($rule->getRoleId(), $a_usr_id);
                        }
                }
                // check if is assigned to minimum one global role
                if (! array_intersect($rbacreview->assignedRoles($a_usr_id), $rbacreview->getGlobalRoles())) {
                        $default_role = shibConfig::getInstance()->getUserDefaultRole();
                        $ilLog->write(__METHOD__ . ': Assigned to default role ' . ilObject::_lookupTitle($default_role));
                        $rbacadmin->assignUser($default_role, $a_usr_id);
                }

                return true;
        }


        public static function doAssignments($a_usr_id, $a_data) {
                global $ilDB, $rbacadmin, $ilLog;
                $query = "SELECT rule_id FROM shib_role_assignment ";
                $num_matches = 0;
                $res = $ilDB->query($query);
                while ($row = $res->fetchRow(DB_FETCHMODE_OBJECT)) {
                        $rule = new ilShibbolethRoleAssignmentRule($row->rule_id);
                        if ($rule->doesMatch($a_data)) {
                                $num_matches ++;
                                $ilLog->write(__METHOD__ . ': Assigned to role ' . ilObject::_lookupTitle($rule->getRoleId()));
                                $rbacadmin->assignUser($rule->getRoleId(), $a_usr_id);
                        }
                }
                // Assign to default if no matching found
                if (! $num_matches) {
                        $default_role = shibConfig::getInstance()->getUserDefaultRole();
                        $ilLog->write(__METHOD__ . ': Assigned to default role ' . ilObject::_lookupTitle($default_role));
                        $rbacadmin->assignUser($default_role, $a_usr_id);
                }

                return true;
        }


        public static function callPlugin($a_plugin_id, $a_user_data) {
                global $ilPluginAdmin;
                if (self::$active_plugins == NULL) {
                        self::$active_plugins = $ilPluginAdmin->getActivePluginsForSlot(IL_COMP_SERVICE, 'AuthShibboleth', 'shibhk');
                }
                $assigned = false;
                foreach (self::$active_plugins as $plugin_name) {
                        $ok = false;
                        $plugin_obj = $ilPluginAdmin->getPluginObject(IL_COMP_SERVICE, 'AuthShibboleth', 'shibhk', $plugin_name);
                        if ($plugin_obj instanceof ilShibbolethRoleAssignmentPlugin) {
                                $ok = $plugin_obj->checkRoleAssignment($a_plugin_id, $a_user_data);
                        }
                        if ($ok) {
                                $assigned = true;
                        }
                }

                return $assigned;
        }
}

?>