vos/corelibs/vos/accesscontrol.cc

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/*
    This file is part of the Virtual Object System of
    the Interreality project (http://interreality.org).

    Copyright (C) 2001-2003 Peter Amstutz

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library 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
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA

    Peter Amstutz <tetron@interreality.org>
*/

#include "accesscontrol.hh"

using namespace VOS;

/** @file
    implements NoAccessControl, ReadOnlyAccessControl, and LocalOnlyAccessControl
*/

map<string, VobjectAccessControl::AssignAC> VobjectAccessControl::policies;

NoAccessControl NoAccessControl::static_;
ReadOnlyAccessControl ReadOnlyAccessControl::static_;
LocalOnlyAccessControl LocalOnlyAccessControl::static_;


void VobjectAccessControl::addPolicy(VobjectAccessControl* ac)
{
    policies[ac->getPolicyName()].ac = ac;
    policies[ac->getPolicyName()].fac = 0;
}

void VobjectAccessControl::addPolicyFactory(const string& name, VobjectAccessControlFactory ac)
{
    policies[name].ac = 0;
    policies[name].fac = ac;
}

VobjectAccessControl* VobjectAccessControl::getPolicy(const string& name, LocalVobject* lv)
{
    if(policies.count(name)) {
        if(policies[name].ac) return policies[name].ac;
        else {
            return (*policies[name].fac)(name, lv);
        }
    } else return 0;
}

void VobjectAccessControl::removePolicy(const string& name)
{
    policies.erase(name);
}

bool NoAccessControl::checkReadChildPermission(VobjectEvent& e, string& message)
{ return true; }

bool NoAccessControl::checkReadTypePermission(VobjectEvent& e, string& message)
{ return true; }

bool NoAccessControl::checkReadParentPermission(VobjectEvent& e, string& message)
{ return true; }

bool NoAccessControl::checkAddTypePermission(VobjectEvent& e, string& message)
{ return true; }

bool NoAccessControl::checkSetChildPermission(VobjectEvent& e, string& message)
{ return true; }

bool NoAccessControl::checkInsertChildPermission(VobjectEvent& e, string& message)
{ return true; }

bool NoAccessControl::checkRemoveChildPermission(VobjectEvent& e, string& message)
{ return true; }

bool NoAccessControl::checkCreateVobjectPermission(Vobject& requester, Site& site, const string name,
                                                   const deque<string> types, string& message)
{ return true; }

bool NoAccessControl::checkChildListenPermission(VobjectEvent& e, string& message)
{ return true; }

bool NoAccessControl::checkParentListenPermission(VobjectEvent& e, string& message)
{ return true; }

const string NoAccessControl::getPolicyName()
{ return "insecure"; }



bool ReadOnlyAccessControl::checkReadChildPermission(VobjectEvent& e, string& message)
{ return true; }

bool ReadOnlyAccessControl::checkReadTypePermission(VobjectEvent& e, string& message)
{ return true; }

bool ReadOnlyAccessControl::checkReadParentPermission(VobjectEvent& e, string& message)
{ return true; }

bool ReadOnlyAccessControl::checkAddTypePermission(VobjectEvent& e, string& message)
{ return false; }

bool ReadOnlyAccessControl::checkSetChildPermission(VobjectEvent& e, string& message)
{ return false; }

bool ReadOnlyAccessControl::checkInsertChildPermission(VobjectEvent& e, string& message)
{ return false; }

bool ReadOnlyAccessControl::checkRemoveChildPermission(VobjectEvent& e, string& message)
{ return false; }

bool ReadOnlyAccessControl::checkCreateVobjectPermission(Vobject& e, Site& site, const string name,
                                                         const deque<string> types, string& message)
{ return false; }

bool ReadOnlyAccessControl::checkChildListenPermission(VobjectEvent& e, string& message)
{ return true; }

bool ReadOnlyAccessControl::checkParentListenPermission(VobjectEvent& e, string& message)
{ return true; }

const string ReadOnlyAccessControl::getPolicyName()
{ return "readonly"; }



bool LocalOnlyAccessControl::checkReadChildPermission(VobjectEvent& e, string& message)
{ return false; }

bool LocalOnlyAccessControl::checkReadTypePermission(VobjectEvent& e, string& message)
{ return false; }

bool LocalOnlyAccessControl::checkReadParentPermission(VobjectEvent& e, string& message)
{ return false; }

bool LocalOnlyAccessControl::checkAddTypePermission(VobjectEvent& e, string& message)
{ return false; }

bool LocalOnlyAccessControl::checkSetChildPermission(VobjectEvent& e, string& message)
{ return false; }

bool LocalOnlyAccessControl::checkInsertChildPermission(VobjectEvent& e, string& message)
{ return false; }

bool LocalOnlyAccessControl::checkRemoveChildPermission(VobjectEvent& e, string& message)
{ return false; }

bool LocalOnlyAccessControl::checkCreateVobjectPermission(Vobject& requester, Site& site,
                                                          const string name, const deque<string> types,
                                                          string& message)
{ return false; }

bool LocalOnlyAccessControl::checkChildListenPermission(VobjectEvent& e, string& message)
{ return false; }

bool LocalOnlyAccessControl::checkParentListenPermission(VobjectEvent& e, string& message)
{ return false; }

const string LocalOnlyAccessControl::getPolicyName()
{ return "localonly"; }

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