public int validate()

in src/main/java/org/apache/directory/fortress/core/impl/DSDChecker.java [79:170]
75 lines of code
17 McCabe index (conditional complexity)

    public int validate( Session session, Constraint constraint, Time time, VUtil.ConstraintType type )
        throws org.apache.directory.fortress.core.SecurityException
    {
        int rc = 0;
        int matchCount;

        // get all candidate activated roles user:
        List<UserRole> activeRoleList = session.getRoles();
        if ( activeRoleList == null || activeRoleList.size() == 0 )
        {
            return rc;
        }

        // Depending on if session is group or user session, fill objects
        String contextId = session.isGroupSession()
                ? session.getGroup().getContextId()
                : session.getUser().getContextId();
        String entityId = session.isGroupSession() ? session.getGroupName() : session.getUserId();
        String entityType = session.isGroupSession() ? "groupName" : "userId";

        // get the list of authorized roles for this user/group:
        Set<String> authorizedRoleSet = RoleUtil.getInstance().getInheritedRoles( activeRoleList, contextId);
        // only need to check DSD constraints if more than one role is being activated:
        if ( authorizedRoleSet != null && authorizedRoleSet.size() > 1 )
        {
            // get all DSD sets that contain the candidate activated and authorized roles,
            //If DSD cache is disabled, this will search the directory using authorizedRoleSet
            Set<SDSet> dsdSets = SDUtil.getInstance().getDsdCache( authorizedRoleSet, contextId);
            if ( dsdSets != null && dsdSets.size() > 0 )
            {
                for ( SDSet dsd : dsdSets )
                {
                    Iterator<UserRole> activatedRoles = activeRoleList.iterator();
                    matchCount = 0;
                    Set<String> map = dsd.getMembers();

                    // now check the DSD on every role activation candidate contained within session object:
                    while ( activatedRoles.hasNext() )
                    {
                        UserRole activatedRole = activatedRoles.next();

                        if ( map.contains( activatedRole.getName() ) )
                        {
                            matchCount++;
                            if ( matchCount >= dsd.getCardinality() )
                            {
                                activatedRoles.remove();
                                String warning = "validate " + entityType + " [" + entityId
                                    + "] failed activation of assignedRole [" + activatedRole.getName()
                                    + "] validates DSD Set Name:" + dsd.getName() + " Cardinality:"
                                    + dsd.getCardinality();
                                LOG.warn( warning );
                                rc = GlobalErrIds.ACTV_FAILED_DSD;
                                session.setWarning( new ObjectFactory().createWarning( rc, warning,
                                    Warning.Type.ROLE, activatedRole.getName() ) );
                            }
                        }
                        else
                        {
                            Set<String> parentSet = RoleUtil.getInstance().getAscendants( activatedRole.getName(), contextId);
                            // now check for every role inherited from this activated role:
                            for ( String parentRole : parentSet )
                            {
                                if ( map.contains( parentRole ) )
                                {
                                    matchCount++;
                                    if ( matchCount >= dsd.getCardinality() )
                                    {
                                        String warning = "validate " + entityType + " [" + entityId
                                            + "] assignedRole [" + activatedRole.getName() + "] parentRole ["
                                            + parentRole + "] validates DSD Set Name:" + dsd.getName()
                                            + " Cardinality:" + dsd.getCardinality();
                                        rc = GlobalErrIds.ACTV_FAILED_DSD;

                                        // remove the assigned role from session (not the authorized role):
                                        activatedRoles.remove();

                                        session.setWarning( new ObjectFactory().createWarning( rc, warning,
                                            Warning.Type.ROLE, activatedRole.getName() ) );
                                        LOG.warn( warning );
                                        // Breaking out of the loop because assigned role has been removed from session.
                                        break;
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
        return rc;
    }