diff --git a/core/src/main/java/org/acegisecurity/providers/x509/X509AuthenticationProvider.java b/core/src/main/java/org/acegisecurity/providers/x509/X509AuthenticationProvider.java
new file mode 100644
index 0000000000..bc0574227f
--- /dev/null
+++ b/core/src/main/java/org/acegisecurity/providers/x509/X509AuthenticationProvider.java
@@ -0,0 +1,66 @@
+package net.sf.acegisecurity.providers.x509;
+
+import net.sf.acegisecurity.providers.AuthenticationProvider;
+import net.sf.acegisecurity.Authentication;
+import net.sf.acegisecurity.AuthenticationException;
+import net.sf.acegisecurity.UserDetails;
+import org.springframework.beans.factory.InitializingBean;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+import java.security.cert.X509Certificate;
+
+/**
+ * @author Luke Taylor
+ */
+public class X509AuthenticationProvider implements AuthenticationProvider,
+ InitializingBean {
+ //~ Static fields/initializers =============================================
+
+ private static final Log logger = LogFactory.getLog(X509AuthenticationProvider.class);
+
+ //~ Instance fields ========================================================
+ private X509AuthoritiesPopulator x509AuthoritiesPopulator;
+
+ //~ Methods ================================================================
+
+ public void setX509AuthoritiesPopulator(X509AuthoritiesPopulator x509AuthoritiesPopulator) {
+ this.x509AuthoritiesPopulator = x509AuthoritiesPopulator;
+ }
+
+ public void afterPropertiesSet() throws Exception {
+ if(x509AuthoritiesPopulator == null) {
+ throw new IllegalArgumentException("An X509AuthoritiesPopulator must be set");
+ }
+ }
+
+ /**
+ *
+ * @param authentication
+ * @return
+ * @throws AuthenticationException if the {@link X509AuthoritiesPopulator} rejects the certficate
+ */
+ public Authentication authenticate(Authentication authentication) throws AuthenticationException {
+ if (!supports(authentication.getClass())) {
+ return null;
+ }
+
+ if(logger.isDebugEnabled())
+ logger.debug("X509 authentication request: " + authentication);
+
+ X509Certificate clientCertificate = (X509Certificate)authentication.getCredentials();
+
+ // TODO: Cache
+
+
+ // Lookup user details for the given certificate
+ UserDetails userDetails = x509AuthoritiesPopulator.getUserDetails(clientCertificate);
+
+ return new X509AuthenticationToken(userDetails, clientCertificate, userDetails.getAuthorities());
+ }
+
+ public boolean supports(Class authentication) {
+ return X509AuthenticationToken.class.isAssignableFrom(authentication);
+ }
+
+}
diff --git a/core/src/main/java/org/acegisecurity/providers/x509/X509AuthenticationToken.java b/core/src/main/java/org/acegisecurity/providers/x509/X509AuthenticationToken.java
new file mode 100644
index 0000000000..795e021bc2
--- /dev/null
+++ b/core/src/main/java/org/acegisecurity/providers/x509/X509AuthenticationToken.java
@@ -0,0 +1,57 @@
+package net.sf.acegisecurity.providers.x509;
+
+import net.sf.acegisecurity.providers.AbstractAuthenticationToken;
+import net.sf.acegisecurity.GrantedAuthority;
+
+import javax.security.cert.Certificate;
+import java.security.cert.X509Certificate;
+
+/**
+ * Authentication implementation for X.509 client-certificate authentication.
+ *
+ * @author Luke Taylor
+ * @version $Id$
+ */
+public class X509AuthenticationToken extends AbstractAuthenticationToken {
+ //~ Instance fields ========================================================
+
+ private X509Certificate credentials;
+ private Object principal;
+ private GrantedAuthority[] authorities;
+ private boolean authenticated = false;
+
+ //~ Constructors ===========================================================
+
+ /** Used for an authentication request */
+ public X509AuthenticationToken(X509Certificate credentials) {
+ this.credentials = credentials;
+ }
+
+ public X509AuthenticationToken(Object principal, X509Certificate credentials, GrantedAuthority[] authorities) {
+ this.credentials = credentials;
+ this.principal = principal;
+ this.authorities = authorities;
+ }
+
+ //~ Methods ================================================================
+
+ public void setAuthenticated(boolean isAuthenticated) {
+ this.authenticated = isAuthenticated;
+ }
+
+ public boolean isAuthenticated() {
+ return authenticated;
+ }
+
+ public GrantedAuthority[] getAuthorities() {
+ return authorities;
+ }
+
+ public Object getCredentials() {
+ return credentials;
+ }
+
+ public Object getPrincipal() {
+ return principal;
+ }
+}
diff --git a/core/src/main/java/org/acegisecurity/ui/x509/X509ProcessingFilter.java b/core/src/main/java/org/acegisecurity/ui/x509/X509ProcessingFilter.java
new file mode 100644
index 0000000000..a2155af22c
--- /dev/null
+++ b/core/src/main/java/org/acegisecurity/ui/x509/X509ProcessingFilter.java
@@ -0,0 +1,76 @@
+package net.sf.acegisecurity.ui.x509;
+
+import net.sf.acegisecurity.ui.AbstractProcessingFilter;
+import net.sf.acegisecurity.ui.WebAuthenticationDetails;
+import net.sf.acegisecurity.Authentication;
+import net.sf.acegisecurity.AuthenticationException;
+import net.sf.acegisecurity.context.ContextHolder;
+import net.sf.acegisecurity.context.security.SecureContext;
+import net.sf.acegisecurity.providers.x509.X509AuthenticationToken;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.security.cert.X509Certificate;
+
+/**
+ * Processes the X.509 certificate submitted by a client - typically
+ * when HTTPS is used with client-authentiction enabled.
+ *
+ * An {@link X509AuthenticationToken} is created with the certificate + * as the credentials. + *
+ *+ * The configured authentication manager is expected to supply a + * provider which can handle this token (usually an instance of + * {@link net.sf.acegisecurity.providers.x509.X509AuthenticationProvider}). + *
+ * + *
+ * Do not use this class directly. Instead configure
+ * web.xml to use the {@link
+ * net.sf.acegisecurity.util.FilterToBeanProxy}.
+ *
endsWith isn't adequate.
+ *
+ */
+ protected boolean requiresAuthentication(HttpServletRequest request,
+ HttpServletResponse response) {
+ return true; // for the time being. Should probably do a pattern match on the URL
+ }
+
+ /**
+ *
+ * @param request the request containing the client certificate
+ * @return
+ * @throws AuthenticationException if the authentication manager rejects the certificate for some reason.
+ */
+ public Authentication attemptAuthentication(HttpServletRequest request) throws AuthenticationException {
+ X509Certificate[] certs = (X509Certificate[]) request.getAttribute("javax.servlet.request.X509Certificate");
+
+ X509Certificate clientCertificate = null;
+
+ if(certs != null && certs.length > 0) {
+ clientCertificate = certs[0];
+ } else {
+ logger.warn("No client certificate found in Request.");
+ }
+ // TODO: warning is probably superfluous, as it may get called when a non-protected URL is used and no certificate is present.
+
+ X509AuthenticationToken authRequest = new X509AuthenticationToken(clientCertificate);
+
+ // authRequest.setDetails(new WebAuthenticationDetails(request));
+
+ return this.getAuthenticationManager().authenticate(authRequest);
+ }
+}
diff --git a/core/src/test/java/org/acegisecurity/providers/x509/X509AuthenticationProviderTests.java b/core/src/test/java/org/acegisecurity/providers/x509/X509AuthenticationProviderTests.java
new file mode 100644
index 0000000000..4c84394e30
--- /dev/null
+++ b/core/src/test/java/org/acegisecurity/providers/x509/X509AuthenticationProviderTests.java
@@ -0,0 +1,63 @@
+package net.sf.acegisecurity.providers.x509;
+
+import junit.framework.TestCase;
+import net.sf.acegisecurity.*;
+import net.sf.acegisecurity.providers.dao.User;
+
+import java.security.cert.X509Certificate;
+
+/**
+ * @author Luke Taylor
+ */
+public class X509AuthenticationProviderTests extends TestCase {
+ //~ Constructors ===========================================================
+
+ public X509AuthenticationProviderTests() {
+ super();
+ }
+
+ public X509AuthenticationProviderTests(String arg0) {
+ super(arg0);
+ }
+
+ //~ Methods ================================================================
+
+ public final void setUp() throws Exception {
+ super.setUp();
+ }
+
+ public void testAuthenticationInvalidCertificate() throws Exception {
+ X509AuthenticationProvider provider = new X509AuthenticationProvider();
+ provider.setX509AuthoritiesPopulator(new MockAuthoritiesPopulator(true));
+ try {
+ provider.authenticate(X509TestUtils.createToken());
+ fail("Should have thrown BadCredentialsException");
+ } catch(BadCredentialsException e) {
+ //ignore
+ }
+ }
+
+
+ //~ Inner Classes ==========================================================
+
+ public static class MockAuthoritiesPopulator implements X509AuthoritiesPopulator {
+ private boolean rejectCertificate;
+
+ public MockAuthoritiesPopulator(boolean rejectCertificate) {
+ this.rejectCertificate = rejectCertificate;
+ }
+
+ public UserDetails getUserDetails(X509Certificate userCertificate) throws AuthenticationException {
+ if(rejectCertificate) {
+ throw new BadCredentialsException("Invalid Certificate");
+ }
+
+ return new User ("user", "password", true, true, true,
+ new GrantedAuthority[] {new GrantedAuthorityImpl("ROLE_A"), new GrantedAuthorityImpl(
+ "ROLE_B")});
+ }
+ }
+
+
+
+}
diff --git a/core/src/test/java/org/acegisecurity/providers/x509/X509AuthenticationTokenTests.java b/core/src/test/java/org/acegisecurity/providers/x509/X509AuthenticationTokenTests.java
new file mode 100644
index 0000000000..de7e17d821
--- /dev/null
+++ b/core/src/test/java/org/acegisecurity/providers/x509/X509AuthenticationTokenTests.java
@@ -0,0 +1,32 @@
+package net.sf.acegisecurity.providers.x509;
+
+import junit.framework.TestCase;
+
+import java.security.cert.X509Certificate;
+import java.security.cert.CertificateFactory;
+import java.io.ByteArrayInputStream;
+
+/**
+ * @author Luke Taylor
+ */
+public class X509AuthenticationTokenTests extends TestCase {
+
+ public X509AuthenticationTokenTests() {
+ }
+
+ public X509AuthenticationTokenTests(String s) {
+ super(s);
+ }
+
+ public void setUp() throws Exception {
+ super.setUp();
+ }
+
+ public void testAuthenticated() throws Exception {
+ X509AuthenticationToken token = X509TestUtils.createToken();
+ assertTrue(!token.isAuthenticated());
+ token.setAuthenticated(true);
+ assertTrue(token.isAuthenticated());
+ }
+}
+
diff --git a/core/src/test/java/org/acegisecurity/providers/x509/X509TestUtils.java b/core/src/test/java/org/acegisecurity/providers/x509/X509TestUtils.java
new file mode 100644
index 0000000000..b83874a790
--- /dev/null
+++ b/core/src/test/java/org/acegisecurity/providers/x509/X509TestUtils.java
@@ -0,0 +1,87 @@
+package net.sf.acegisecurity.providers.x509;
+
+import java.security.cert.X509Certificate;
+import java.security.cert.CertificateFactory;
+import java.io.ByteArrayInputStream;
+
+/**
+ * @author Luke Taylor
+ */
+public class X509TestUtils {
+
+ public static X509AuthenticationToken createToken() throws Exception {
+ return new X509AuthenticationToken(buildTestCertificate());
+ }
+ /**
+ * Builds an X.509 certificate. In human-readable form it is:
+ * + * Certificate: + * Data: + * Version: 3 (0x2) + * Serial Number: 1 (0x1) + * Signature Algorithm: sha1WithRSAEncryption + * Issuer: CN=Monkey Machine CA, C=UK, ST=Scotland, L=Glasgow, + * O=monkeymachine.co.uk/emailAddress=ca@monkeymachine.co.uk + * Validity + * Not Before: Mar 6 23:28:22 2005 GMT + * Not After : Mar 6 23:28:22 2006 GMT + * Subject: C=UK, ST=Scotland, L=Glasgow, O=Monkey Machine Ltd, + * OU=Open Source Development Lab., CN=Luke Taylor/emailAddress=luke@monkeymachine + * Subject Public Key Info: + * Public Key Algorithm: rsaEncryption + * RSA Public Key: (512 bit) + * [omitted] + * X509v3 extensions: + * X509v3 Basic Constraints: + * CA:FALSE + * Netscape Cert Type: + * SSL Client + * X509v3 Key Usage: + * Digital Signature, Non Repudiation, Key Encipherment + * X509v3 Subject Key Identifier: + * 6E:E6:5B:57:33:CF:0E:2F:15:C2:F4:DF:EC:14:BE:FB:CF:54:56:3C + * X509v3 Authority Key Identifier: + * keyid:AB:78:EC:AF:10:1B:8A:9B:1F:C7:B1:25:8F:16:28:F2:17:9A:AD:36 + * DirName:/CN=Monkey Machine CA/C=UK/ST=Scotland/L=Glasgow/O=monkeymachine.co.uk/emailAddress=ca@monkeymachine.co.uk + * serial:00 + * Netscape CA Revocation Url: + * https://monkeymachine.co.uk/ca-crl.pem + * Signature Algorithm: sha1WithRSAEncryption + * [signature omitted] + *+ */ + public static X509Certificate buildTestCertificate() throws Exception + { + String cert = "-----BEGIN CERTIFICATE-----\n" + + "MIIEQTCCAymgAwIBAgIBATANBgkqhkiG9w0BAQUFADCBkzEaMBgGA1UEAxMRTW9u\n" + + "a2V5IE1hY2hpbmUgQ0ExCzAJBgNVBAYTAlVLMREwDwYDVQQIEwhTY290bGFuZDEQ\n" + + "MA4GA1UEBxMHR2xhc2dvdzEcMBoGA1UEChMTbW9ua2V5bWFjaGluZS5jby51azEl\n" + + "MCMGCSqGSIb3DQEJARYWY2FAbW9ua2V5bWFjaGluZS5jby51azAeFw0wNTAzMDYy\n" + + "MzI4MjJaFw0wNjAzMDYyMzI4MjJaMIGvMQswCQYDVQQGEwJVSzERMA8GA1UECBMI\n" + + "U2NvdGxhbmQxEDAOBgNVBAcTB0dsYXNnb3cxGzAZBgNVBAoTEk1vbmtleSBNYWNo\n" + + "aW5lIEx0ZDElMCMGA1UECxMcT3BlbiBTb3VyY2UgRGV2ZWxvcG1lbnQgTGFiLjEU\n" + + "MBIGA1UEAxMLTHVrZSBUYXlsb3IxITAfBgkqhkiG9w0BCQEWEmx1a2VAbW9ua2V5\n" + + "bWFjaGluZTBcMA0GCSqGSIb3DQEBAQUAA0sAMEgCQQDItxZr07mm65ttYH7RMaVo\n" + + "VeMCq4ptfn+GFFEk4+54OkDuh1CHlk87gEc1jx3ZpQPJRTJx31z3YkiAcP+RDzxr\n" + + "AgMBAAGjggFIMIIBRDAJBgNVHRMEAjAAMBEGCWCGSAGG+EIBAQQEAwIHgDALBgNV\n" + + "HQ8EBAMCBeAwHQYDVR0OBBYEFG7mW1czzw4vFcL03+wUvvvPVFY8MIHABgNVHSME\n" + + "gbgwgbWAFKt47K8QG4qbH8exJY8WKPIXmq02oYGZpIGWMIGTMRowGAYDVQQDExFN\n" + + "b25rZXkgTWFjaGluZSBDQTELMAkGA1UEBhMCVUsxETAPBgNVBAgTCFNjb3RsYW5k\n" + + "MRAwDgYDVQQHEwdHbGFzZ293MRwwGgYDVQQKExNtb25rZXltYWNoaW5lLmNvLnVr\n" + + "MSUwIwYJKoZIhvcNAQkBFhZjYUBtb25rZXltYWNoaW5lLmNvLnVrggEAMDUGCWCG\n" + + "SAGG+EIBBAQoFiZodHRwczovL21vbmtleW1hY2hpbmUuY28udWsvY2EtY3JsLnBl\n" + + "bTANBgkqhkiG9w0BAQUFAAOCAQEAZ961bEgm2rOq6QajRLeoljwXDnt0S9BGEWL4\n" + + "PMU2FXDog9aaPwfmZ5fwKaSebwH4HckTp11xwe/D9uBZJQ74Uf80UL9z2eo0GaSR\n" + + "nRB3QPZfRvop0I4oPvwViKt3puLsi9XSSJ1w9yswnIf89iONT7ZyssPg48Bojo8q\n" + + "lcKwXuDRBWciODK/xWhvQbaegGJ1BtXcEHtvNjrUJLwSMDSr+U5oUYdMohG0h1iJ\n" + + "R+JQc49I33o2cTc77wfEWLtVdXAyYY4GSJR6VfgvV40x85ItaNS3HHfT/aXU1x4m\n" + + "W9YQkWlA6t0blGlC+ghTOY1JbgWnEfXMmVgg9a9cWaYQ+NQwqA==\n" + + "-----END CERTIFICATE-----"; + + ByteArrayInputStream in = new ByteArrayInputStream(cert.getBytes()); + CertificateFactory cf = CertificateFactory.getInstance("X.509"); + return (X509Certificate)cf.generateCertificate(in); + + } + +}