TrustUtils.java

package org.cagrid.gaards.pki;

import gov.nih.nci.cagrid.common.Utils;

import java.io.File;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class TrustUtils {

	public static List<TrustedCAFileListing> getTrustedCertificates() throws Exception {
		return getTrustedCertificates(Utils.getTrustedCerificatesDirectory());
	}

	public static List<TrustedCAFileListing> getTrustedCertificates(File dir) throws Exception {
		Map<String, TrustedCAFileListing> tempCAListings = new HashMap<String, TrustedCAFileListing>();
		
		File[] list = dir.listFiles();
		
		//iterate over all files in the trusted certs directory
		//skip files that don't have a "." in the name
		for (int i = 0; i < list.length; i++) {
			String fn = list[i].getName();
			int index = fn.lastIndexOf(".");
			if (index == -1) {
				continue;
			}
			String name = fn.substring(0, index);
			String extension = fn.substring(index + 1);

			TrustedCAFileListing ca = (TrustedCAFileListing) tempCAListings.get(name);
			if (ca == null) {
				ca = new TrustedCAFileListing(name);
				tempCAListings.put(name, ca);
			}

			if (extension.matches("[0-9]+")) {
				ca.setFileId(Integer.valueOf(extension));
				ca.setCertificate(list[i]);
			} else if (extension.matches("[r]{1}[0-9]+")) {
				ca.setCRL(list[i]);
			} else if (extension.equals("signing_policy")) {
				ca.setSigningPolicy(list[i]);
			} else if (extension.indexOf("syncgts") != -1) {
				ca.setMetadata(list[i]);
			} else {
				continue;
			}

		}
		
		//populate final list. Validate each entry.
		Map<String, TrustedCAFileListing> caListings = new HashMap<String, TrustedCAFileListing>();
		List<TrustedCAFileListing> finalListings = new ArrayList<TrustedCAFileListing>();
		
		for (TrustedCAFileListing listing : tempCAListings.values()) {
			if (listing.isValid()) {
				finalListings.add(listing);
			}
		}
		
		return finalListings;
	}
}