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/**
* Licensed to the Apache Software Foundation (ASF) under one
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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
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package com.sun.org.apache.xml.internal.security.keys.storage.implementations;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.security.cert.Certificate;
import java.security.cert.CertificateException;
import java.security.cert.CertificateExpiredException;
import java.security.cert.CertificateFactory;
import java.security.cert.CertificateNotYetValidException;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import com.sun.org.apache.xml.internal.security.keys.storage.StorageResolverException;
import com.sun.org.apache.xml.internal.security.keys.storage.StorageResolverSpi;
import com.sun.org.apache.xml.internal.security.utils.Base64;
/**
* This {@link StorageResolverSpi} makes all raw (binary) {@link X509Certificate}s
* which reside as files in a single directory available to the
* {@link com.sun.org.apache.xml.internal.security.keys.storage.StorageResolver}.
*/
public class CertsInFilesystemDirectoryResolver extends StorageResolverSpi {
/** {@link org.apache.commons.logging} logging facility */
private static java.util.logging.Logger log =
java.util.logging.Logger.getLogger(
CertsInFilesystemDirectoryResolver.class.getName()
);
/** Field merlinsCertificatesDir */
private String merlinsCertificatesDir = null;
/** Field certs */
private List<X509Certificate> certs = new ArrayList<X509Certificate>();
/**
* @param directoryName
* @throws StorageResolverException
*/
public CertsInFilesystemDirectoryResolver(String directoryName)
throws StorageResolverException {
this.merlinsCertificatesDir = directoryName;
this.readCertsFromHarddrive();
}
/**
* Method readCertsFromHarddrive
*
* @throws StorageResolverException
*/
private void readCertsFromHarddrive() throws StorageResolverException {
File certDir = new File(this.merlinsCertificatesDir);
List<String> al = new ArrayList<String>();
String[] names = certDir.list();
for (int i = 0; i < names.length; i++) {
String currentFileName = names[i];
if (currentFileName.endsWith(".crt")) {
al.add(names[i]);
}
}
CertificateFactory cf = null;
try {
cf = CertificateFactory.getInstance("X.509");
} catch (CertificateException ex) {
throw new StorageResolverException("empty", ex);
}
if (cf == null) {
throw new StorageResolverException("empty");
}
for (int i = 0; i < al.size(); i++) {
String filename = certDir.getAbsolutePath() + File.separator + al.get(i);
File file = new File(filename);
boolean added = false;
String dn = null;
FileInputStream fis = null;
try {
fis = new FileInputStream(file);
X509Certificate cert =
(X509Certificate) cf.generateCertificate(fis);
//add to ArrayList
cert.checkValidity();
this.certs.add(cert);
dn = cert.getSubjectX500Principal().getName();
added = true;
} catch (FileNotFoundException ex) {
if (log.isLoggable(java.util.logging.Level.FINE)) {
log.log(java.util.logging.Level.FINE, "Could not add certificate from file " + filename, ex);
}
} catch (CertificateNotYetValidException ex) {
if (log.isLoggable(java.util.logging.Level.FINE)) {
log.log(java.util.logging.Level.FINE, "Could not add certificate from file " + filename, ex);
}
} catch (CertificateExpiredException ex) {
if (log.isLoggable(java.util.logging.Level.FINE)) {
log.log(java.util.logging.Level.FINE, "Could not add certificate from file " + filename, ex);
}
} catch (CertificateException ex) {
if (log.isLoggable(java.util.logging.Level.FINE)) {
log.log(java.util.logging.Level.FINE, "Could not add certificate from file " + filename, ex);
}
} finally {
try {
if (fis != null) {
fis.close();
}
} catch (IOException ex) {
if (log.isLoggable(java.util.logging.Level.FINE)) {
log.log(java.util.logging.Level.FINE, "Could not add certificate from file " + filename, ex);
}
}
}
if (added && log.isLoggable(java.util.logging.Level.FINE)) {
log.log(java.util.logging.Level.FINE, "Added certificate: " + dn);
}
}
}
/** @inheritDoc */
public Iterator<Certificate> getIterator() {
return new FilesystemIterator(this.certs);
}
/**
* Class FilesystemIterator
*/
private static class FilesystemIterator implements Iterator<Certificate> {
/** Field certs */
List<X509Certificate> certs = null;
/** Field i */
int i;
/**
* Constructor FilesystemIterator
*
* @param certs
*/
public FilesystemIterator(List<X509Certificate> certs) {
this.certs = certs;
this.i = 0;
}
/** @inheritDoc */
public boolean hasNext() {
return (this.i < this.certs.size());
}
/** @inheritDoc */
public Certificate next() {
return this.certs.get(this.i++);
}
/**
* Method remove
*
*/
public void remove() {
throw new UnsupportedOperationException("Can't remove keys from KeyStore");
}
}
/**
* Method main
*
* @param unused
* @throws Exception
*/
public static void main(String unused[]) throws Exception {
CertsInFilesystemDirectoryResolver krs =
new CertsInFilesystemDirectoryResolver(
"data/ie/baltimore/merlin-examples/merlin-xmldsig-eighteen/certs");
for (Iterator<Certificate> i = krs.getIterator(); i.hasNext(); ) {
X509Certificate cert = (X509Certificate) i.next();
byte[] ski =
com.sun.org.apache.xml.internal.security.keys.content.x509.XMLX509SKI.getSKIBytesFromCert(cert);
System.out.println();
System.out.println("Base64(SKI())= \""
+ Base64.encode(ski) + "\"");
System.out.println("cert.getSerialNumber()= \""
+ cert.getSerialNumber().toString() + "\"");
System.out.println("cert.getSubjectX500Principal().getName()= \""
+ cert.getSubjectX500Principal().getName() + "\"");
System.out.println("cert.getIssuerX500Principal().getName()= \""
+ cert.getIssuerX500Principal().getName() + "\"");
}
}
}