source: java/GraphTest.java @ be05757

import java.io.*;
import java.util.*;

import edu.uci.ics.jung.graph.*;

import net.deterlab.abac.Credential;
import net.deterlab.abac.CredentialGraph;
import net.deterlab.abac.Query;
import net.deterlab.abac.Role;
import net.deterlab.abac.Identity;

import java.security.KeyPair;


/**
 * Simple test of the native Java implementation of ABAC. Loads credentials
 * from an rt0 file and runs a query against them.
 */
public class GraphTest {
    /**
     * Import a directory full of files, using the suffixes as determinants.
     * First import all the identities (pem), then the credentials (der) into
     * the credential graph then any alias files into the two maps.
     */
    protected static void importDir(File d, CredentialGraph g) {
    }

    public static void main(String[] args) throws IOException {
        if (args.length < 3) {
            System.out.println("Usage: GraphTest <files> <role> <principal>");
            System.out.println("    runs the query role <-?- principal and prints the result");
            System.exit(1);
        }

        CredentialGraph graph = new CredentialGraph();
        Vector<KeyPair> kp = new Vector<KeyPair>();
        Map<File, Exception> errs = new HashMap<File, Exception>();

        for (int i= 0; i < args.length-2; i++) {
            File f = new File(args[i]);

            try {
                if (f.isDirectory()) 
                    for (Credential c :Credential.readDirectory(f, kp, errs)) 
                        graph.add_credential(c);
                else if (f.getPath().endsWith(".pem")) 
                    Credential.addIdentity(new Identity(f));
                else if (f.getPath().endsWith(".der"))
                    graph.add_credential(new Credential(f));
                else
                    System.out.println(f + " of unknown type");
            }
            catch (Exception e) {
                System.err.println("Failed to process " + f + ": " +e);
            }
        }

        for (KeyPair k: kp) System.err.println(k);
        for (File f: errs.keySet()) System.err.println(f + " " + errs.get(f));

        //
        // run the query
        //

        Role role = new Role(args[args.length-2], true);
        Role prin = new Role(args[args.length-1], true);
        Query q = graph.querier();
        Graph<Role, Credential> ret = q.run(role.toString(), prin.toString());
        String fn = "attr";
        int n = 0;
        String suf = ".der";
        for (Credential c : ret.getEdges()) {
            System.out.println(c.simpleString());
            if ( c.hasCertificate()) c.write(fn + n++ + suf);
        }

        fn = "id";
        n = 0;
        suf = ".pem";
        for (Identity i: Credential.identities()) {
            System.out.println("ID: " + i);
            i.write(fn + n++ + suf);
        }
    }
}