saml signatures

saml/saml-protocol/src/main/java/org/keycloak/protocol/saml/SALM2PostBindingLoginResponseBuilder.java

@@ -8,7 +8,6 @@ import org.picketlink.common.exceptions.ConfigurationException;
 import org.picketlink.common.exceptions.ProcessingException;
 import org.picketlink.common.util.DocumentUtil;
 import org.picketlink.identity.federation.api.saml.v2.response.SAML2Response;
-import org.picketlink.identity.federation.api.saml.v2.sig.SAML2Signature;
 import org.picketlink.identity.federation.core.saml.v2.common.IDGenerator;
 import org.picketlink.identity.federation.core.saml.v2.factories.JBossSAMLAuthnResponseFactory;
 import org.picketlink.identity.federation.core.saml.v2.holders.IDPInfoHolder;
@@ -43,7 +42,7 @@ import static org.picketlink.common.util.StringUtil.isNotNull;
  * @author Anil.Saldhana@redhat.com
  * @author bburke@redhat.com
 */
-public class SAML2PostBindingResponseBuilder {
+public class SALM2PostBindingLoginResponseBuilder extends SAML2PostBindingBuilder<SALM2PostBindingLoginResponseBuilder> {
     protected static final PicketLinkLogger logger = PicketLinkLoggerFactory.getLogger();
 
     protected List<String> roles = new LinkedList<String>();
@@ -51,188 +50,68 @@ public class SAML2PostBindingResponseBuilder {
     protected boolean multiValuedRoles;
     protected boolean disableAuthnStatement;
     protected String requestID;
-    protected String responseIssuer;
     protected String authMethod;
-    protected String relayState;
-    protected String destination;
     protected String requestIssuer;
     protected Map<String, Object> attributes = new HashMap<String, Object>();
 
 
-    public SAML2PostBindingResponseBuilder attributes(Map<String, Object> attributes) {
+    public SALM2PostBindingLoginResponseBuilder attributes(Map<String, Object> attributes) {
         this.attributes = attributes;
         return this;
     }
 
-    public SAML2PostBindingResponseBuilder attribute(String name, Object value) {
+    public SALM2PostBindingLoginResponseBuilder attribute(String name, Object value) {
         this.attributes.put(name, value);
         return this;
     }
 
-    public SAML2PostBindingResponseBuilder requestID(String requestID) {
+    public SALM2PostBindingLoginResponseBuilder requestID(String requestID) {
         this.requestID =requestID;
         return this;
     }
 
-    public SAML2PostBindingResponseBuilder requestIssuer(String requestIssuer) {
+    public SALM2PostBindingLoginResponseBuilder requestIssuer(String requestIssuer) {
         this.requestIssuer =requestIssuer;
         return this;
     }
 
-    public SAML2PostBindingResponseBuilder responseIssuer(String issuer) {
+    public SALM2PostBindingLoginResponseBuilder roles(List<String> roles) {
-        this.responseIssuer = issuer;
-        return this;
-    }
-
-    public SAML2PostBindingResponseBuilder roles(List<String> roles) {
         this.roles = roles;
         return this;
     }
 
-    public SAML2PostBindingResponseBuilder roles(String... roles) {
+    public SALM2PostBindingLoginResponseBuilder roles(String... roles) {
         for (String role : roles) {
             this.roles.add(role);
         }
         return this;
     }
 
-    public SAML2PostBindingResponseBuilder authMethod(String authMethod) {
+    public SALM2PostBindingLoginResponseBuilder authMethod(String authMethod) {
         this.authMethod = authMethod;
         return this;
     }
 
-    public SAML2PostBindingResponseBuilder userPrincipal(String userPrincipal) {
+    public SALM2PostBindingLoginResponseBuilder userPrincipal(String userPrincipal) {
         this.userPrincipal = userPrincipal;
         return this;
     }
 
-    public SAML2PostBindingResponseBuilder relayState(String relayState) {
+   public SALM2PostBindingLoginResponseBuilder multiValuedRoles(boolean multiValuedRoles) {
-        this.relayState = relayState;
-        return this;
-    }
-
-    public SAML2PostBindingResponseBuilder destination(String destination) {
-        this.destination = destination;
-        return this;
-    }
-
-    public SAML2PostBindingResponseBuilder multiValuedRoles(boolean multiValuedRoles) {
         this.multiValuedRoles = multiValuedRoles;
         return this;
     }
 
-    public SAML2PostBindingResponseBuilder disableAuthnStatement(boolean disableAuthnStatement) {
+    public SALM2PostBindingLoginResponseBuilder disableAuthnStatement(boolean disableAuthnStatement) {
         this.disableAuthnStatement = disableAuthnStatement;
         return this;
     }
 
-    public Response buildErrorResponse(String status)  throws ConfigurationException, ProcessingException, IOException {
-        Document doc = getErrorResponse(status);
-        return buildResponse(doc);
-
-
-    }
-
-    public Document getErrorResponse(String status) {
-        Document samlResponse = null;
-        ResponseType responseType = null;
-
-        SAML2Response saml2Response = new SAML2Response();
-
-        // Create a response type
-        String id = IDGenerator.create("ID_");
-
-        IssuerInfoHolder issuerHolder = new IssuerInfoHolder(responseIssuer);
-        issuerHolder.setStatusCode(status);
-
-        IDPInfoHolder idp = new IDPInfoHolder();
-        idp.setNameIDFormatValue(null);
-        idp.setNameIDFormat(JBossSAMLURIConstants.NAMEID_FORMAT_PERSISTENT.get());
-
-        SPInfoHolder sp = new SPInfoHolder();
-        sp.setResponseDestinationURI(destination);
-
-        responseType = saml2Response.createResponseType(id);
-        responseType.setStatus(JBossSAMLAuthnResponseFactory.createStatusTypeForResponder(status));
-        responseType.setDestination(destination);
-
-        // Lets see how the response looks like
-        if (logger.isTraceEnabled()) {
-            StringWriter sw = new StringWriter();
-            try {
-                saml2Response.marshall(responseType, sw);
-            } catch (ProcessingException e) {
-                logger.trace(e);
-            }
-            logger.trace("SAML Response Document: " + sw.toString());
-        }
-
-        /*
-        if (supportSignature) {
-            try {
-                SAML2Signature ss = new SAML2Signature();
-                samlResponse = ss.sign(responseType, keyManager.getSigningKeyPair());
-            } catch (Exception e) {
-                logger.trace(e);
-                throw new RuntimeException(logger.signatureError(e));
-            }
-        } else
-            try {
-                samlResponse = saml2Response.convert(responseType);
-            } catch (Exception e) {
-                logger.trace(e);
-            }
-            */
-
-        return samlResponse;
-    }
-
     public Response buildLoginResponse() throws ConfigurationException, ProcessingException, IOException {
         Document responseDoc = getResponse();
         return buildResponse(responseDoc);
     }
 
-    protected Response buildResponse(Document responseDoc) throws ProcessingException, ConfigurationException, IOException {
-        byte[] responseBytes = DocumentUtil.getDocumentAsString(responseDoc).getBytes("UTF-8");
-        String samlResponse = PostBindingUtil.base64Encode(new String(responseBytes));
-
-        if (destination == null) {
-            throw logger.nullValueError("Destination is null");
-        }
-
-        StringBuilder builder = new StringBuilder();
-
-        String key = GeneralConstants.SAML_RESPONSE_KEY;
-        builder.append("<HTML>");
-        builder.append("<HEAD>");
-
-        builder.append("<TITLE>HTTP Post Binding Response (Response)</TITLE>");
-        builder.append("</HEAD>");
-        builder.append("<BODY Onload=\"document.forms[0].submit()\">");
-
-        builder.append("<FORM METHOD=\"POST\" ACTION=\"" + destination + "\">");
-        builder.append("<INPUT TYPE=\"HIDDEN\" NAME=\"" + key + "\"" + " VALUE=\"" + samlResponse + "\"/>");
-
-        if (isNotNull(relayState)) {
-            builder.append("<INPUT TYPE=\"HIDDEN\" NAME=\"RelayState\" " + "VALUE=\"" + relayState + "\"/>");
-        }
-
-        builder.append("<NOSCRIPT>");
-        builder.append("<P>JavaScript is disabled. We strongly recommend to enable it. Click the button below to continue.</P>");
-        builder.append("<INPUT TYPE=\"SUBMIT\" VALUE=\"CONTINUE\" />");
-        builder.append("</NOSCRIPT>");
-
-        builder.append("</FORM></BODY></HTML>");
-
-        String str = builder.toString();
-
-        CacheControl cacheControl = new CacheControl();
-        cacheControl.setNoCache(true);
-        return Response.ok(str, MediaType.TEXT_HTML_TYPE)
-                       .header("Pragma", "no-cache")
-                       .header("Cache-Control", "no-cache, no-store").build();
-    }
-
     public Document getResponse() throws ConfigurationException, ProcessingException {
 
         Document samlResponseDocument = null;
@@ -295,6 +174,10 @@ public class SAML2PostBindingResponseBuilder {
             throw logger.samlAssertionMarshallError(e);
         }
 
+        if (signed) {
+            signDocument(samlResponseDocument);
+        }
         return samlResponseDocument;
     }
+
 }

saml/saml-protocol/src/main/java/org/keycloak/protocol/saml/SAML2PostBindingBuilder.java

@@ -0,0 +1,133 @@
+package org.keycloak.protocol.saml;
+
+import org.picketlink.common.constants.GeneralConstants;
+import org.picketlink.common.exceptions.ConfigurationException;
+import org.picketlink.common.exceptions.ProcessingException;
+import org.picketlink.common.util.DocumentUtil;
+import org.picketlink.identity.federation.web.util.PostBindingUtil;
+import org.w3c.dom.Document;
+
+import javax.ws.rs.core.CacheControl;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+import java.io.IOException;
+import java.security.KeyPair;
+import java.security.PrivateKey;
+import java.security.PublicKey;
+import java.security.cert.X509Certificate;
+
+import static org.picketlink.common.util.StringUtil.isNotNull;
+
+/**
+ * @author <a href="mailto:bill@burkecentral.com">Bill Burke</a>
+ * @version $Revision: 1 $
+ */
+public class SAML2PostBindingBuilder<T extends SAML2PostBindingBuilder> {
+    protected KeyPair signingKeyPair;
+    protected X509Certificate signingCertificate;
+    protected boolean signed;
+    protected String signatureDigestMethod;
+    protected String signatureMethod;
+    protected String relayState;
+    protected String destination;
+    protected String responseIssuer;
+
+    public T sign(KeyPair keyPair) {
+        this.signingKeyPair = keyPair;
+        this.signed = true;
+        return (T)this;
+    }
+
+    public T sign(PrivateKey privateKey, PublicKey publicKey) {
+        this.signingKeyPair = new KeyPair(publicKey, privateKey);
+        this.signed = true;
+        return (T)this;
+    }
+
+    public T sign(KeyPair keyPair, X509Certificate cert) {
+        this.signingKeyPair = keyPair;
+        this.signingCertificate = cert;
+        this.signed = true;
+        return (T)this;
+    }
+
+    public T signatureDigestMethod(String method) {
+        this.signatureDigestMethod = method;
+        return (T)this;
+    }
+
+    public T signatureMethod(String method) {
+        this.signatureMethod = method;
+        return (T)this;
+    }
+
+    public T sign(PrivateKey privateKey, PublicKey publicKey, X509Certificate cert) {
+        this.signingKeyPair = new KeyPair(publicKey, privateKey);
+        this.signingCertificate = cert;
+        this.signed = true;
+        return (T)this;
+    }
+
+    public T destination(String destination) {
+        this.destination = destination;
+        return (T)this;
+    }
+
+    public T responseIssuer(String issuer) {
+        this.responseIssuer = issuer;
+        return (T)this;
+    }
+
+    public T relayState(String relayState) {
+        this.relayState = relayState;
+        return (T)this;
+    }
+
+
+
+    protected void signDocument(Document samlDocument) throws ProcessingException {
+        SamlProtocolUtils.signDocument(samlDocument, signingKeyPair, signatureMethod, signatureDigestMethod, signingCertificate);
+    }
+
+    protected Response buildResponse(Document responseDoc) throws ProcessingException, ConfigurationException, IOException {
+        byte[] responseBytes = DocumentUtil.getDocumentAsString(responseDoc).getBytes("UTF-8");
+        String samlResponse = PostBindingUtil.base64Encode(new String(responseBytes));
+
+        if (destination == null) {
+            throw SALM2PostBindingLoginResponseBuilder.logger.nullValueError("Destination is null");
+        }
+
+        StringBuilder builder = new StringBuilder();
+
+        String key = GeneralConstants.SAML_RESPONSE_KEY;
+        builder.append("<HTML>");
+        builder.append("<HEAD>");
+
+        builder.append("<TITLE>HTTP Post Binding Response (Response)</TITLE>");
+        builder.append("</HEAD>");
+        builder.append("<BODY Onload=\"document.forms[0].submit()\">");
+
+        builder.append("<FORM METHOD=\"POST\" ACTION=\"" + destination + "\">");
+        builder.append("<INPUT TYPE=\"HIDDEN\" NAME=\"" + key + "\"" + " VALUE=\"" + samlResponse + "\"/>");
+
+        if (isNotNull(relayState)) {
+            builder.append("<INPUT TYPE=\"HIDDEN\" NAME=\"RelayState\" " + "VALUE=\"" + relayState + "\"/>");
+        }
+
+        builder.append("<NOSCRIPT>");
+        builder.append("<P>JavaScript is disabled. We strongly recommend to enable it. Click the button below to continue.</P>");
+        builder.append("<INPUT TYPE=\"SUBMIT\" VALUE=\"CONTINUE\" />");
+        builder.append("</NOSCRIPT>");
+
+        builder.append("</FORM></BODY></HTML>");
+
+        String str = builder.toString();
+
+        CacheControl cacheControl = new CacheControl();
+        cacheControl.setNoCache(true);
+        return Response.ok(str, MediaType.TEXT_HTML_TYPE)
+                       .header("Pragma", "no-cache")
+                       .header("Cache-Control", "no-cache, no-store").build();
+    }
+
+}

saml/saml-protocol/src/main/java/org/keycloak/protocol/saml/SAML2PostBindingErrorResponseBuilder.java

@@ -0,0 +1,57 @@
+package org.keycloak.protocol.saml;
+
+import org.picketlink.common.constants.JBossSAMLURIConstants;
+import org.picketlink.common.exceptions.ConfigurationException;
+import org.picketlink.common.exceptions.ProcessingException;
+import org.picketlink.identity.federation.api.saml.v2.response.SAML2Response;
+import org.picketlink.identity.federation.core.saml.v2.common.IDGenerator;
+import org.picketlink.identity.federation.core.saml.v2.factories.JBossSAMLAuthnResponseFactory;
+import org.picketlink.identity.federation.core.saml.v2.holders.IDPInfoHolder;
+import org.picketlink.identity.federation.core.saml.v2.holders.IssuerInfoHolder;
+import org.picketlink.identity.federation.core.saml.v2.holders.SPInfoHolder;
+import org.picketlink.identity.federation.saml.v2.protocol.ResponseType;
+import org.w3c.dom.Document;
+
+import javax.ws.rs.core.Response;
+import java.io.IOException;
+import java.io.StringWriter;
+
+/**
+ * @author <a href="mailto:bill@burkecentral.com">Bill Burke</a>
+ * @version $Revision: 1 $
+ */
+public class SAML2PostBindingErrorResponseBuilder extends SAML2PostBindingBuilder<SAML2PostBindingErrorResponseBuilder> {
+
+    public Document getErrorResponse(String status) throws ProcessingException {
+        Document samlResponse = null;
+        ResponseType responseType = null;
+
+        SAML2Response saml2Response = new SAML2Response();
+
+        // Create a response type
+        String id = IDGenerator.create("ID_");
+
+        IssuerInfoHolder issuerHolder = new IssuerInfoHolder(responseIssuer);
+        issuerHolder.setStatusCode(status);
+
+        IDPInfoHolder idp = new IDPInfoHolder();
+        idp.setNameIDFormatValue(null);
+        idp.setNameIDFormat(JBossSAMLURIConstants.NAMEID_FORMAT_PERSISTENT.get());
+
+        SPInfoHolder sp = new SPInfoHolder();
+        sp.setResponseDestinationURI(destination);
+
+        responseType = saml2Response.createResponseType(id);
+        responseType.setStatus(JBossSAMLAuthnResponseFactory.createStatusTypeForResponder(status));
+        responseType.setDestination(destination);
+
+       if (signed) {
+            signDocument(samlResponse);
+        }
+        return samlResponse;
+    }
+
+    public Response buildErrorResponse(String status)  throws ConfigurationException, ProcessingException, IOException {
+        Document doc = getErrorResponse(status);
+        return buildResponse(doc);
+    }}

saml/saml-protocol/src/main/java/org/keycloak/protocol/saml/SAML2PostBindingLogoutResponseBuilder.java

@@ -0,0 +1,69 @@
+package org.keycloak.protocol.saml;
+
+import org.picketlink.common.constants.JBossSAMLURIConstants;
+import org.picketlink.common.exceptions.ConfigurationException;
+import org.picketlink.common.exceptions.ParsingException;
+import org.picketlink.common.exceptions.ProcessingException;
+import org.picketlink.identity.federation.api.saml.v2.request.SAML2Request;
+import org.picketlink.identity.federation.api.saml.v2.response.SAML2Response;
+import org.picketlink.identity.federation.core.saml.v2.common.IDGenerator;
+import org.picketlink.identity.federation.core.saml.v2.factories.JBossSAMLAuthnResponseFactory;
+import org.picketlink.identity.federation.core.saml.v2.holders.IDPInfoHolder;
+import org.picketlink.identity.federation.core.saml.v2.holders.IssuerInfoHolder;
+import org.picketlink.identity.federation.core.saml.v2.holders.SPInfoHolder;
+import org.picketlink.identity.federation.core.saml.v2.util.DocumentUtil;
+import org.picketlink.identity.federation.core.saml.v2.util.XMLTimeUtil;
+import org.picketlink.identity.federation.core.sts.PicketLinkCoreSTS;
+import org.picketlink.identity.federation.saml.v2.assertion.NameIDType;
+import org.picketlink.identity.federation.saml.v2.protocol.LogoutRequestType;
+import org.picketlink.identity.federation.saml.v2.protocol.ResponseType;
+import org.picketlink.identity.federation.web.util.PostBindingUtil;
+import org.w3c.dom.Document;
+
+import javax.ws.rs.core.Response;
+import java.io.IOException;
+import java.net.URI;
+import java.security.KeyPair;
+
+/**
+ * @author <a href="mailto:bill@burkecentral.com">Bill Burke</a>
+ * @version $Revision: 1 $
+ */
+public class SAML2PostBindingLogoutResponseBuilder extends SAML2PostBindingBuilder<SAML2PostBindingLogoutResponseBuilder> {
+    protected String userPrincipal;
+
+    public SAML2PostBindingLogoutResponseBuilder userPrincipal(String userPrincipal) {
+        this.userPrincipal = userPrincipal;
+        return this;
+    }
+
+    public String buildRequestString() {
+        try {
+            Document logoutRequestDocument = new SAML2Request().convert(createLogoutRequest());
+            if (signed) {
+                signDocument(logoutRequestDocument);
+            }
+            byte[] responseBytes = DocumentUtil.getDocumentAsString(logoutRequestDocument).getBytes("UTF-8");
+            return PostBindingUtil.base64Encode(new String(responseBytes));
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    private LogoutRequestType createLogoutRequest() throws ConfigurationException {
+        LogoutRequestType lort = new SAML2Request().createLogoutRequest(responseIssuer);
+
+        NameIDType nameID = new NameIDType();
+        nameID.setValue(userPrincipal);
+        //Deal with NameID Format
+        String nameIDFormat = JBossSAMLURIConstants.NAMEID_FORMAT_PERSISTENT.get();
+        nameID.setFormat(URI.create(nameIDFormat));
+        lort.setNameID(nameID);
+
+        long assertionValidity = PicketLinkCoreSTS.instance().getConfiguration().getIssuedTokenTimeout();
+
+        lort.setNotOnOrAfter(XMLTimeUtil.add(lort.getIssueInstant(), assertionValidity));
+        lort.setDestination(URI.create(destination));
+        return lort;
+    }
+}

saml/saml-protocol/src/main/java/org/keycloak/protocol/saml/SAMLRequestParser.java

@@ -43,6 +43,5 @@ public class SAMLRequestParser {
             logger.samlBase64DecodingError(e);
         }
         return null;
-
     }
 }

saml/saml-protocol/src/main/java/org/keycloak/protocol/saml/SalmProtocol.java

@@ -20,34 +20,19 @@ import org.keycloak.services.resources.RealmsResource;
 import org.keycloak.services.resources.flows.Flows;
 import org.picketlink.common.constants.GeneralConstants;
 import org.picketlink.common.constants.JBossSAMLURIConstants;
-import org.picketlink.common.exceptions.ConfigurationException;
-import org.picketlink.common.exceptions.ParsingException;
-import org.picketlink.common.exceptions.ProcessingException;
-import org.picketlink.common.util.StringUtil;
-import org.picketlink.identity.federation.api.saml.v2.request.SAML2Request;
 import org.picketlink.identity.federation.core.saml.v2.constants.X500SAMLProfileConstants;
-import org.picketlink.identity.federation.core.saml.v2.util.DocumentUtil;
-import org.picketlink.identity.federation.core.saml.v2.util.XMLTimeUtil;
-import org.picketlink.identity.federation.core.sts.PicketLinkCoreSTS;
-import org.picketlink.identity.federation.saml.v2.assertion.NameIDType;
-import org.picketlink.identity.federation.saml.v2.protocol.LogoutRequestType;
 import org.picketlink.identity.federation.web.handlers.saml2.SAML2LogOutHandler;
-import org.picketlink.identity.federation.web.util.PostBindingUtil;
-import org.w3c.dom.Document;
 
 import javax.ws.rs.core.HttpHeaders;
 import javax.ws.rs.core.Response;
 import javax.ws.rs.core.UriInfo;
-import java.io.IOException;
-import java.net.URI;
-import java.security.Principal;
 
 /**
  * @author <a href="mailto:bill@burkecentral.com">Bill Burke</a>
  * @version $Revision: 1 $
  */
-public class SamlLogin implements LoginProtocol {
+public class SalmProtocol implements LoginProtocol {
-    protected static final Logger logger = Logger.getLogger(SamlLogin.class);
+    protected static final Logger logger = Logger.getLogger(SalmProtocol.class);
     public static final String LOGIN_PROTOCOL = "saml";
     public static final String SAML_BINDING = "saml_binding";
     public static final String SAML_POST_BINDING = "post";
@@ -61,19 +46,19 @@ public class SamlLogin implements LoginProtocol {
 
 
     @Override
-    public SamlLogin setSession(KeycloakSession session) {
+    public SalmProtocol setSession(KeycloakSession session) {
         this.session = session;
         return this;
     }
 
     @Override
-    public SamlLogin setRealm(RealmModel realm) {
+    public SalmProtocol setRealm(RealmModel realm) {
         this.realm = realm;
         return this;
     }
 
     @Override
-    public SamlLogin setUriInfo(UriInfo uriInfo) {
+    public SalmProtocol setUriInfo(UriInfo uriInfo) {
         this.uriInfo = uriInfo;
         return this;
     }
@@ -93,14 +78,10 @@ public class SamlLogin implements LoginProtocol {
     }
 
     protected Response getErrorResponse(ClientSessionModel clientSession, String status) {
-        String relayState = clientSession.getNote(GeneralConstants.RELAY_STATE);
+        SAML2PostBindingErrorResponseBuilder builder = new SAML2PostBindingErrorResponseBuilder()
-        String redirectUri = clientSession.getRedirectUri();
+                .relayState(clientSession.getNote(GeneralConstants.RELAY_STATE))
-        SAML2PostBindingResponseBuilder builder = new SAML2PostBindingResponseBuilder();
+                .destination(clientSession.getRedirectUri())
-        String responseIssuer = getResponseIssuer(realm);
+                .responseIssuer(getResponseIssuer(realm));
-        builder .relayState(relayState)
-                .destination(redirectUri)
-                .responseIssuer(responseIssuer)
-                .requestIssuer(clientSession.getClient().getClientId());
       try {
             return builder.buildErrorResponse(status);
         } catch (Exception e) {
@@ -111,7 +92,7 @@ public class SamlLogin implements LoginProtocol {
     @Override
     public Response authenticated(UserSessionModel userSession, ClientSessionCode accessCode) {
         ClientSessionModel clientSession = accessCode.getClientSession();
-        if (SamlLogin.SAML_POST_BINDING.equals(clientSession.getNote(SamlLogin.SAML_BINDING))) {
+        if (SalmProtocol.SAML_POST_BINDING.equals(clientSession.getNote(SalmProtocol.SAML_BINDING))) {
             return postBinding(userSession, clientSession);
         }
         throw new RuntimeException("still need to implement redirect binding");
@@ -123,7 +104,7 @@ public class SamlLogin implements LoginProtocol {
         String redirectUri = clientSession.getRedirectUri();
         String responseIssuer = getResponseIssuer(realm);
 
-        SAML2PostBindingResponseBuilder builder = new SAML2PostBindingResponseBuilder();
+        SALM2PostBindingLoginResponseBuilder builder = new SALM2PostBindingLoginResponseBuilder();
         builder.requestID(requestID)
                .relayState(relayState)
                .destination(redirectUri)
@@ -140,7 +121,10 @@ public class SamlLogin implements LoginProtocol {
                 builder.roles(roleModel.getName());
             }
         }
-
+        ClientModel client = clientSession.getClient();
+        if (requiresRealmSignature(client)) {
+            builder.sign(realm.getPrivateKey(), realm.getPublicKey());
+        }
         try {
             return builder.buildLoginResponse();
         } catch (Exception e) {
@@ -149,7 +133,11 @@ public class SamlLogin implements LoginProtocol {
         }
     }
 
-    public void initClaims(SAML2PostBindingResponseBuilder builder, ClientModel model, UserModel user) {
+    private boolean requiresRealmSignature(ClientModel client) {
+        return "true".equals(client.getAttribute("samlServerSignature"));
+    }
+
+    public void initClaims(SALM2PostBindingLoginResponseBuilder builder, ClientModel model, UserModel user) {
         if (ClaimMask.hasEmail(model.getAllowedClaimsMask())) {
             builder.attribute(X500SAMLProfileConstants.EMAIL_ADDRESS.getFriendlyName(), user.getEmail());
         }
@@ -172,15 +160,18 @@ public class SamlLogin implements LoginProtocol {
         ApplicationModel app = (ApplicationModel)client;
         if (app.getManagementUrl() == null) return;
 
+        SAML2PostBindingLogoutResponseBuilder logoutBuilder = new SAML2PostBindingLogoutResponseBuilder()
+                                         .userPrincipal(userSession.getUser().getUsername())
+                                         .destination(client.getClientId());
+        if (requiresRealmSignature(client)) {
+            logoutBuilder.sign(realm.getPrivateKey(), realm.getPublicKey());
+        }
         String logoutRequestString = null;
         try {
-            LogoutRequestType logoutRequest = createLogoutRequest(userSession.getUser(), client);
+            logoutRequestString = logoutBuilder.buildRequestString();
-            Document logoutRequestDocument = new SAML2Request().convert(logoutRequest);
-
-            byte[] responseBytes = DocumentUtil.getDocumentAsString(logoutRequestDocument).getBytes("UTF-8");
-            logoutRequestString = PostBindingUtil.base64Encode(new String(responseBytes));
         } catch (Exception e) {
             logger.warn("failed to send saml logout", e);
+            return;
         }
 
 
@@ -219,24 +210,6 @@ public class SamlLogin implements LoginProtocol {
 
     }
 
-    private LogoutRequestType createLogoutRequest(UserModel user, ClientModel client) throws ConfigurationException, ProcessingException {
-        LogoutRequestType lort = new SAML2Request().createLogoutRequest(getResponseIssuer(realm));
-
-        NameIDType nameID = new NameIDType();
-        nameID.setValue(user.getUsername());
-        //Deal with NameID Format
-        String nameIDFormat = JBossSAMLURIConstants.NAMEID_FORMAT_PERSISTENT.get();
-        nameID.setFormat(URI.create(nameIDFormat));
-        lort.setNameID(nameID);
-
-        long assertionValidity = PicketLinkCoreSTS.instance().getConfiguration().getIssuedTokenTimeout();
-
-        lort.setNotOnOrAfter(XMLTimeUtil.add(lort.getIssueInstant(), assertionValidity));
-        lort.setDestination(URI.create(client.getClientId()));
-        return lort;
-    }
-
-
     @Override
     public void close() {
 

saml/saml-protocol/src/main/java/org/keycloak/protocol/saml/SamlProtocolFactory.java

@@ -13,7 +13,7 @@ import org.picketlink.identity.federation.core.sts.PicketLinkCoreSTS;
  * @author <a href="mailto:bill@burkecentral.com">Bill Burke</a>
  * @version $Revision: 1 $
  */
-public class SamlLoginFactory implements LoginProtocolFactory {
+public class SamlProtocolFactory implements LoginProtocolFactory {
 
     @Override
     public Object createProtocolEndpoint(RealmModel realm, EventBuilder event, AuthenticationManager authManager) {
@@ -22,7 +22,7 @@ public class SamlLoginFactory implements LoginProtocolFactory {
 
     @Override
     public LoginProtocol create(KeycloakSession session) {
-        return new SamlLogin().setSession(session);
+        return new SalmProtocol().setSession(session);
     }
 
     @Override

saml/saml-protocol/src/main/java/org/keycloak/protocol/saml/SamlProtocolUtils.java

@@ -0,0 +1,66 @@
+package org.keycloak.protocol.saml;
+
+import org.keycloak.VerificationException;
+import org.keycloak.models.ClientModel;
+import org.keycloak.util.PemUtils;
+import org.picketlink.common.exceptions.ProcessingException;
+import org.picketlink.identity.federation.api.saml.v2.sig.SAML2Signature;
+import org.w3c.dom.Document;
+import org.w3c.dom.Node;
+
+import java.security.KeyPair;
+import java.security.PublicKey;
+import java.security.cert.X509Certificate;
+
+/**
+ * @author <a href="mailto:bill@burkecentral.com">Bill Burke</a>
+ * @version $Revision: 1 $
+ */
+public class SamlProtocolUtils {
+
+    public static void verifyPostBindingSignature(ClientModel client, Document document) throws VerificationException {
+        if (!"true".equals(client.getAttribute("samlClientSignature"))) {
+            return;
+        }
+        SAML2Signature saml2Signature = new SAML2Signature();
+        String publicKeyPem = client.getAttribute(ClientModel.PUBLIC_KEY);
+        if (publicKeyPem == null) throw new VerificationException("Client does not have a public key.");
+        PublicKey publicKey = null;
+        try {
+            publicKey = PemUtils.decodePublicKey(publicKeyPem);
+        } catch (Exception e) {
+            throw new VerificationException("Could not decode public key", e);
+        }
+        try {
+            if (!saml2Signature.validate(document, publicKey)) {
+                throw new VerificationException("Invalid signature on document");
+            }
+        } catch (ProcessingException e) {
+            throw new VerificationException("Error validating signature", e);
+        }
+    }
+
+    public static void signDocument(Document samlDocument, KeyPair signingKeyPair, String signatureMethod, String signatureDigestMethod, X509Certificate signingCertificate) throws ProcessingException {
+        SAML2Signature samlSignature = new SAML2Signature();
+
+        if (signatureMethod != null) {
+            samlSignature.setSignatureMethod(signatureMethod);
+        }
+
+        if (signatureDigestMethod != null) {
+            samlSignature.setDigestMethod(signatureDigestMethod);
+        }
+
+        Node nextSibling = samlSignature.getNextSiblingOfIssuer(samlDocument);
+
+        samlSignature.setNextSibling(nextSibling);
+
+        if (signingCertificate != null) {
+            samlSignature.setX509Certificate(signingCertificate);
+        }
+
+        samlSignature.signSAMLDocument(samlDocument, signingKeyPair);
+    }
+
+
+}

saml/saml-protocol/src/main/java/org/keycloak/protocol/saml/SamlService.java

@@ -1,13 +1,11 @@
 package org.keycloak.protocol.saml;
 
 import org.jboss.logging.Logger;
-import org.jboss.resteasy.annotations.cache.NoCache;
 import org.jboss.resteasy.specimpl.MultivaluedMapImpl;
 import org.jboss.resteasy.spi.HttpRequest;
 import org.jboss.resteasy.spi.HttpResponse;
 import org.keycloak.ClientConnection;
-import org.keycloak.OAuth2Constants;
+import org.keycloak.VerificationException;
-import org.keycloak.events.Details;
 import org.keycloak.events.Errors;
 import org.keycloak.events.EventBuilder;
 import org.keycloak.events.EventType;
@@ -27,15 +25,14 @@ import org.picketlink.identity.federation.core.saml.v2.common.SAMLDocumentHolder
 import org.picketlink.identity.federation.saml.v2.SAML2Object;
 import org.picketlink.identity.federation.saml.v2.protocol.AuthnRequestType;
 import org.picketlink.identity.federation.saml.v2.protocol.LogoutRequestType;
+import org.picketlink.identity.federation.saml.v2.protocol.RequestAbstractType;
+import org.w3c.dom.Document;
 
 import javax.ws.rs.Consumes;
 import javax.ws.rs.FormParam;
-import javax.ws.rs.GET;
 import javax.ws.rs.POST;
 import javax.ws.rs.Path;
-import javax.ws.rs.QueryParam;
 import javax.ws.rs.core.Context;
-import javax.ws.rs.core.Cookie;
 import javax.ws.rs.core.HttpHeaders;
 import javax.ws.rs.core.MediaType;
 import javax.ws.rs.core.MultivaluedMap;
@@ -45,8 +42,6 @@ import javax.ws.rs.core.UriBuilder;
 import javax.ws.rs.core.UriInfo;
 import javax.ws.rs.ext.Providers;
 import java.net.URI;
-import java.util.HashMap;
-import java.util.Map;
 
 /**
  * Resource class for the oauth/openid connect token service
@@ -137,24 +132,7 @@ public class SamlService {
 
         SAML2Object samlObject = documentHolder.getSamlObject();
 
-        if (samlObject instanceof AuthnRequestType) {
+        RequestAbstractType requestAbstractType = (RequestAbstractType)samlObject;
-            event.event(EventType.LOGIN);
-            // Get the SAML Request Message
-            AuthnRequestType requestAbstractType = (AuthnRequestType) samlObject;
-            return loginRequest(relayState, requestAbstractType);
-        } else if (samlObject instanceof LogoutRequestType) {
-            event.event(EventType.LOGOUT);
-            LogoutRequestType requestAbstractType = (LogoutRequestType) samlObject;
-            return logoutRequest(relayState, requestAbstractType);
-
-        } else {
-            event.event(EventType.LOGIN_ERROR);
-            event.error(Errors.INVALID_TOKEN);
-            return Flows.forwardToSecurityFailurePage(session, realm, uriInfo, "Invalid Request");
-        }
-    }
-
-    protected Response loginRequest(String relayState, AuthnRequestType requestAbstractType) {
         String issuer = requestAbstractType.getIssuer().getValue();
         ClientModel client = realm.findClient(issuer);
 
@@ -176,6 +154,32 @@ public class SamlService {
             return Flows.forwardToSecurityFailurePage(session, realm, uriInfo, "direct-grants-only clients are not allowed to initiate browser login");
         }
 
+        try {
+            SamlProtocolUtils.verifyPostBindingSignature(client, documentHolder.getSamlDocument());
+        } catch (VerificationException e) {
+            logger.error("request validation failed", e);
+            event.error(Errors.INVALID_CLIENT);
+            return Flows.forwardToSecurityFailurePage(session, realm, uriInfo, "Invalid requester.");
+        }
+        if (samlObject instanceof AuthnRequestType) {
+            event.event(EventType.LOGIN);
+            // Get the SAML Request Message
+            AuthnRequestType authn = (AuthnRequestType) samlObject;
+            return loginRequest(relayState, authn, client);
+        } else if (samlObject instanceof LogoutRequestType) {
+            event.event(EventType.LOGOUT);
+            LogoutRequestType logout = (LogoutRequestType) samlObject;
+            return logoutRequest(logout, client);
+
+        } else {
+            event.event(EventType.LOGIN_ERROR);
+            event.error(Errors.INVALID_TOKEN);
+            return Flows.forwardToSecurityFailurePage(session, realm, uriInfo, "Invalid Request");
+        }
+    }
+
+    protected Response loginRequest(String relayState, AuthnRequestType requestAbstractType, ClientModel client) {
+
         URI redirectUri = requestAbstractType.getAssertionConsumerServiceURL();
         String redirect = OpenIDConnectService.verifyRedirectUri(uriInfo, redirectUri.toString(), realm, client);
 
@@ -186,10 +190,10 @@ public class SamlService {
 
 
         ClientSessionModel clientSession = session.sessions().createClientSession(realm, client);
-        clientSession.setAuthMethod(SamlLogin.LOGIN_PROTOCOL);
+        clientSession.setAuthMethod(SalmProtocol.LOGIN_PROTOCOL);
         clientSession.setRedirectUri(redirect);
         clientSession.setAction(ClientSessionModel.Action.AUTHENTICATE);
-        clientSession.setNote(SamlLogin.SAML_BINDING, SamlLogin.SAML_POST_BINDING);
+        clientSession.setNote(SalmProtocol.SAML_BINDING, SalmProtocol.SAML_POST_BINDING);
         clientSession.setNote(GeneralConstants.RELAY_STATE, relayState);
         clientSession.setNote("REQUEST_ID", requestAbstractType.getID());
 
@@ -212,28 +216,7 @@ public class SamlService {
         return forms.createLogin();
     }
 
-    protected Response logoutRequest(String relayState, LogoutRequestType requestAbstractType) {
+    protected Response logoutRequest(LogoutRequestType requestAbstractType, ClientModel client) {
-        String issuer = requestAbstractType.getIssuer().getValue();
-        ClientModel client = realm.findClient(issuer);
-
-        if (client == null) {
-            event.error(Errors.CLIENT_NOT_FOUND);
-            return Flows.forwardToSecurityFailurePage(session, realm, uriInfo, "Unknown login requester.");
-        }
-
-        if (!client.isEnabled()) {
-            event.error(Errors.CLIENT_DISABLED);
-            return Flows.forwardToSecurityFailurePage(session, realm, uriInfo, "Login requester not enabled.");
-        }
-        if ((client instanceof ApplicationModel) && ((ApplicationModel)client).isBearerOnly()) {
-            event.error(Errors.NOT_ALLOWED);
-            return Flows.forwardToSecurityFailurePage(session, realm, uriInfo, "Bearer-only applications are not allowed to initiate browser login");
-        }
-        if (client.isDirectGrantsOnly()) {
-            event.error(Errors.NOT_ALLOWED);
-            return Flows.forwardToSecurityFailurePage(session, realm, uriInfo, "direct-grants-only clients are not allowed to initiate browser login");
-        }
-
         // authenticate identity cookie, but ignore an access token timeout as we're logging out anyways.
         AuthenticationManager.AuthResult authResult = authManager.authenticateIdentityCookie(session, realm, uriInfo, clientConnection, headers, false);
         if (authResult != null) {

saml/saml-protocol/src/main/resources/META-INF/services/org.keycloak.protocol.LoginProtocolFactory

@@ -1 +1 @@
-org.keycloak.protocol.saml.SamlLoginFactory
+org.keycloak.protocol.saml.SamlProtocolFactory

testsuite/integration/src/test/java/org/keycloak/testsuite/account/AccountTest.java

@@ -157,11 +157,11 @@ public class AccountTest {
         });
     }
 
-//    @Test
+    @Test
-//    @Ignore
+    @Ignore
-//    public void runit() throws Exception {
+    public void runit() throws Exception {
-//        Thread.sleep(10000000);
+        Thread.sleep(10000000);
-//    }
+    }
 
     @Test
     public void returnToAppFromQueryParam() {

testsuite/integration/src/test/resources/testsaml.json

@@ -32,11 +32,30 @@
             "name": "http://localhost:8080/sales-post/",
             "enabled": true,
             "fullScopeAllowed": true,
+            "protocol": "saml",
             "baseUrl": "http://localhost:8080/sales-post",
             "adminUrl": "http://localhost:8080/sales-post",
             "redirectUris": [
                 "http://localhost:8080/sales-post/*"
             ]
+        },
+        {
+            "name": "http://localhost:8080/sales-post-sig/",
+            "enabled": true,
+            "protocol": "saml",
+            "fullScopeAllowed": true,
+            "baseUrl": "http://localhost:8080/sales-post-sig",
+            "adminUrl": "http://localhost:8080/sales-post-sig",
+            "redirectUris": [
+                "http://localhost:8080/sales-post-sig/*"
+            ],
+            "attributes": {
+                "samlServerSignature": "true",
+                "samlClientSignature": "true",
+                "privateKey": "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",
+                "publicKey": "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDVG8a7xGN6ZIkDbeecySygcDfsypjUMNPE4QJjis8B316CvsZQ0hcTTLUyiRpHlHZys2k3xEhHBHymFC1AONcvzZzpb40tAhLHO1qtAnut00khjAdjR3muLVdGkM/zMC7G5s9iIwBVhwOQhy+VsGnCH91EzkjZ4SVEr55KJoyQJQIDAQAB",
+                "X509Certificate": "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"
+            }
         }
     ],
     "roles" : {