source: fedd/abac-src/ttg/test/TestEngine.java @ df783c1

package com.nailabs.abac.test;

import com.nailabs.abac.process.*;
import com.nailabs.abac.trust.*;
import edu.stanford.peer.rbtm.credential.*;
import edu.stanford.peer.rbtm.engine.*;
import java.util.*;
import java.io.*;

public class TestEngine extends edu.stanford.peer.rbtm.test.TestEngine {

    public static void parseStrategyHints(HashMap conf) {
        String section = "Strategy";
        HashSet propSet = (HashSet)conf.get(section);
        Properties props = new Properties();
        try {
            Iterator i = propSet.iterator();
            while(i.hasNext()) {
                props.load(new StringBufferInputStream((String)i.next()));
            }
            props.list(System.out);
            conf.put(section, props);
        } catch (Exception ex) {
            //ex.printStackTrace();
        }
    }

    public static void parseEntityId(HashMap conf) {
        String section = "EntityID";
        HashSet nameSet = (HashSet)conf.get(section);
        String name = null;
        try {
            name = (String)nameSet.iterator().next();
            conf.put(section, new SimpleEntity(name));
        }
        catch(Exception ex) {
            //ex.printStackTrace();
        }
    }
    public static void parseAckPolicy(HashMap conf) {
        AckPolicy policy = new AckPolicy();
        String section = "AckPolicy";
        HashSet policySet = (HashSet)conf.get(section);
        if(policySet == null)policySet = new HashSet();
        Iterator i = policySet.iterator();

        while(i.hasNext()) {
            try {
                StringTokenizer st = 
                    new StringTokenizer((String)i.next(), "=");
                EntityExpression key = 
            StaticCredential.getEntityExpression(st.nextToken());
                EntityExpression value = 
            StaticCredential.getEntityExpression(st.nextToken());
                policy.addAckFact(key, value);
            }
            catch(Exception ex) {
            ex.printStackTrace();
            }
        }
        conf.put(section, policy);
        System.out.println("AckPolicy = " + policy);
    }
    
    public static void parseACPolicy(HashMap conf) {
        ACPolicy policy = new ACPolicy();
        String section = "AccessControl";
        HashSet policySet = (HashSet)conf.get(section);
        if(policySet == null)policySet = new HashSet();
        Iterator i = policySet.iterator();
        
        while(i.hasNext()) {
            try {
                StringTokenizer st = 
                    new StringTokenizer((String)i.next(), "=");
                StaticCredential key = new StaticCredential(st.nextToken());
                String valueString = st.nextToken().trim();
                Role value = (valueString.equalsIgnoreCase("true"))? 
                    ACPolicy.TRUE: 
                    (Role)StaticCredential.getRole(valueString);
                policy.addACFact(key, value);
            }
            catch(Exception ex) {
            ex.printStackTrace();
            }
        }
        conf.put(section, policy);
        System.out.println("ACPolicy = " + policy);
    }

    protected static HashSet parseCredentials(String section, HashMap conf) {
        HashSet creds = new HashSet();

        try {
            Iterator i = ((HashSet)conf.get(section)).iterator();
            while(i.hasNext()) {
                creds.add(new StaticCredential((String)i.next()));
            }
        }
        catch(Exception ex) {
            ex.printStackTrace();
        }
        System.out.println(section + ": " + creds);
        return creds;
    }

    protected static HashSet parseRoleNames(String section, HashMap conf) {
        HashSet names = new HashSet();

        try {
            Iterator i = ((HashSet)conf.get(section)).iterator();
            while(i.hasNext()) {
                names.add(new SimpleRoleName((String)i.next()));
            }
        }
        catch(NullPointerException npe) {
            System.out.println("warning: " + section + " is null");
        }
        catch(Exception ex) {
            ex.printStackTrace();
        }
        System.out.println(section + ": " + names);
        return names;

    }

    public static void parseIssuerTracesAll(HashMap conf) {
        String section = "IssuerTracesAll";
        HashSet traces = parseRoleNames(section, conf);
        conf.put(section, traces);
    }

    public static void parseIssuerTracesDef(HashMap conf) {
        String section = "IssuerTracesDef";
        HashSet traces = parseRoleNames(section, conf);
        conf.put(section, traces);
    }

    public static void parseIssuerTraceable(HashMap conf) {
        String section = "IssuerTraceable";
        HashSet traces = parseRoleNames(section, conf);
        conf.put(section, traces);
    }

    public static void parseSubjectTraceable(HashMap conf) {
        String section = "SubjectTraceable";
        HashSet traces = parseRoleNames(section, conf);
        conf.put(section, traces);

    }

    public static void parsePolicyReachable(HashMap conf) {
        String section = "PolicyReachable";
        HashSet reached = parseCredentials(section, conf);
        conf.put(section, reached);
    }

    public static void parseSelfReachable(HashMap conf) {
        String section = "SelfReachable";
        HashSet reached = parseCredentials(section, conf);
        conf.put(section, reached);
    }

    /** */
    public static HashMap loadConfiguration(String name) {
        HashMap map = 
            edu.stanford.peer.rbtm.test.TestEngine.loadConfiguration(name);

        System.out.println("Loaded configuration from " + name);
        System.out.println("map = " + map ); 
        parseEntityId(map);
        parseAckPolicy(map);
        parseACPolicy(map);
        //parseIssuerTraceable(map);
        parseIssuerTracesAll(map);
        parseIssuerTracesDef(map);
        parseSubjectTraceable(map);
        parsePolicyReachable(map);
        parseSelfReachable(map);
        parseStrategyHints(map);
        return map;
    }

    public static void main(String arg[]) {
        HashMap oConf = loadConfiguration((arg.length>0)?arg[0]:"alice.txt");
        HashMap vConf = loadConfiguration((arg.length>1)?arg[1]:"medsup.txt");
        TrustTarget primaryTT = null;

        //System.out.println("vConf = " + vConf.toString());    
        //System.out.println("oConf = " + oConf.toString());

        // Create frontiers
        FrontierManager.addFrontier(oConf);
        FrontierManager.addFrontier(vConf);
        // Create entities for the negotiators
        Entity o = (Entity)oConf.get("EntityID");
        Entity v = (Entity)vConf.get("EntityID");
        System.out.println("opponent = " + o);
        System.out.println("verifier = " + v);
        // Initialize the contexts for each side
        NegotiationContext oContext = new NegotiationContext(oConf);
        NegotiationContext vContext = new NegotiationContext(vConf);
        
        PropertiesObserver oObs = 
            new PropertiesObserver(oContext.getSelf());
        PropertiesObserver vObs = 
            new PropertiesObserver(vContext.getSelf());
        RMINegotiator oAgent = null, vAgent = null;

        try {
        oAgent = new RMINegotiator(oContext);
        vAgent = new RMINegotiator(vContext);
            primaryTT = new TrustTarget((arg.length > 2)? arg[2]: 
                                    "MedSup: MedSup.discount <<-?- Alice");
            oContext.getGraph().addObserver(oObs);
        oContext.getStrategy().addObserver(oObs);
            vContext.getGraph().addObserver(vObs);
        vContext.getStrategy().addObserver(vObs);
        }
        catch(Exception ex) {
            ex.printStackTrace(System.err);
        }
        vAgent.setPeer(oAgent);
        System.out.println("Primary trust target = " + primaryTT);
        vAgent.setRoot(primaryTT);
        boolean success = vAgent.negotiate();
        System.out.println("The negotiation has " + ((success)? "succeeded":
                           "failed"));
        oObs.close();
        vObs.close();
    }

}