package appeng.me.cache; import java.util.ArrayList; import java.util.EnumSet; import java.util.HashMap; import java.util.List; import net.minecraft.entity.player.EntityPlayer; import appeng.api.config.SecurityPermissions; import appeng.api.networking.IGrid; import appeng.api.networking.IGridCache; import appeng.api.networking.IGridHost; import appeng.api.networking.IGridNode; import appeng.api.networking.IGridStorage; import appeng.api.networking.events.MENetworkEventSubscribe; import appeng.api.networking.events.MENetworkSecurityChange; import appeng.api.networking.security.ISecurityGrid; import appeng.api.networking.security.ISecurityProvider; import appeng.core.WorldSettings; import appeng.me.GridNode; public class SecurityCache implements IGridCache, ISecurityGrid { private List securityProvider = new ArrayList(); private HashMap> playerPerms = new HashMap>(); public SecurityCache(IGrid g) { myGrid = g; } private long securityKey = -1; public final IGrid myGrid; @MENetworkEventSubscribe public void updatePermissions(MENetworkSecurityChange ev) { playerPerms.clear(); if ( securityProvider.isEmpty() ) return; securityProvider.get( 0 ).readPermissions( playerPerms ); } public long getSecurityKey() { return securityKey; } @Override public boolean isAvailable() { return securityProvider.size() == 1 && securityProvider.get( 0 ).isSecurityEnabled(); } @Override public boolean hasPermission(EntityPlayer player, SecurityPermissions perm) { return hasPermission( player == null ? -1 : WorldSettings.getInstance().getPlayerID( player.getCommandSenderName() ), perm ); } @Override public boolean hasPermission(int playerID, SecurityPermissions perm) { if ( isAvailable() ) { EnumSet perms = playerPerms.get( playerID ); if ( perms == null ) { if ( playerID == -1 ) // no default? return false; else return hasPermission( -1, perm ); } return perms.contains( perm ); } return true; } private void updateSecurityKey() { long lastCode = securityKey; if ( securityProvider.size() == 1 ) securityKey = securityProvider.get( 0 ).getSecurityKey(); else securityKey = -1; if ( lastCode != securityKey ) { myGrid.postEvent( new MENetworkSecurityChange() ); for (IGridNode n : myGrid.getNodes()) ((GridNode) n).lastSecurityKey = securityKey; } } @Override public void removeNode(IGridNode gridNode, IGridHost machine) { if ( machine instanceof ISecurityProvider ) { securityProvider.remove( (ISecurityProvider) machine ); updateSecurityKey(); } } @Override public void addNode(IGridNode gridNode, IGridHost machine) { if ( machine instanceof ISecurityProvider ) { securityProvider.add( (ISecurityProvider) machine ); updateSecurityKey(); } else ((GridNode) gridNode).lastSecurityKey = securityKey; } @Override public void onUpdateTick() { } @Override public void onSplit(IGridStorage destinationStorage) { } @Override public void onJoin(IGridStorage sourceStorage) { } @Override public void populateGridStorage(IGridStorage destinationStorage) { } @Override public int getOwner() { if ( isAvailable() ) return securityProvider.get( 0 ).getOwner(); return -1; } }