class.ilObjWikiAccess.php

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<?php
/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once("./Services/Object/classes/class.ilObjectAccess.php");

class ilObjWikiAccess extends ilObjectAccess
{

        function _getCommands()
        {
                $commands = array
                (
                        array("permission" => "read", "cmd" => "view", "lang_var" => "show",
                                "default" => true),
                        array("permission" => "write", "cmd" => "editSettings", "lang_var" => "settings")
                );
                
                return $commands;
        }
        
        function _checkAccess($a_cmd, $a_permission, $a_ref_id, $a_obj_id, $a_user_id = "")
        {
                global $ilUser, $lng, $rbacsystem, $ilAccess;

                if ($a_user_id == "")
                {
                        $a_user_id = $ilUser->getId();
                }

                switch ($a_cmd)
                {
                        case "view":

                                if(!ilObjWikiAccess::_lookupOnline($a_obj_id)
                                        && !$rbacsystem->checkAccessOfUser($a_user_id,'write',$a_ref_id))
                                {
                                        $ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("offline"));
                                        return false;
                                }
                                break;
                                
                        // for permission query feature
                        case "infoScreen":
                                if(!ilObjWikiAccess::_lookupOnline($a_obj_id))
                                {
                                        $ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("offline"));
                                }
                                else
                                {
                                        $ilAccess->addInfoItem(IL_STATUS_MESSAGE, $lng->txt("online"));
                                }
                                break;

                }
                switch ($a_permission)
                {
                        case "read":
                        case "visible":
                                if (!ilObjWikiAccess::_lookupOnline($a_obj_id) &&
                                        (!$rbacsystem->checkAccessOfUser($a_user_id, 'write', $a_ref_id)))
                                {
                                        $ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("offline"));
                                        return false;
                                }
                                break;
                }

                return true;
        }

        function _checkGoto($a_target)
        {
                global $ilAccess;
                
                $t_arr = explode("_", $a_target);

                if ($t_arr[0] != "wiki" || (((int) $t_arr[1]) <= 0) && $t_arr[1] != "wpage")
                {
                        return false;
                }
                
                if ($t_arr[1] == "wpage")
                {
                        $wpg_id = (int) $t_arr[2];
                        include_once("./Modules/Wiki/classes/class.ilWikiPage.php");
                        $w_id = ilWikiPage::lookupWikiId($wpg_id);
                        $refs = ilObject::_getAllReferences($w_id);
                        foreach ($refs as $r)
                        {
                                if ($ilAccess->checkAccess("read", "", $r))
                                {
                                        return true;
                                }
                        }
                }
                else if ($ilAccess->checkAccess("read", "", $t_arr[1]))
                {
                        return true;
                }
                return false;
        }
        
        function _lookupOnline($a_id)
        {
                global $ilDB;

                $q = "SELECT * FROM il_wiki_data WHERE id = ".
                        $ilDB->quote($a_id, "integer");
                $wk_set = $ilDB->query($q);
                $wk_rec = $ilDB->fetchAssoc($wk_set);

                return $wk_rec["is_online"];
        }

        function _lookupPublicFiles($a_id)
        {
                global $ilDB;

                $q = "SELECT * FROM il_wiki_data WHERE id = ".
                        $ilDB->quote($a_id, "integer");
                $wk_set = $ilDB->query($q);
                $wk_rec = $ilDB->fetchAssoc($wk_set);

                return $wk_rec["public_files"];
        }

}

?>