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From bhais...@apache.org
Subject [17/50] git commit: updated refs/heads/master to 97ed5ff
Date Thu, 28 Aug 2014 17:58:21 GMT
utils: refactor and aggregate methods in SAMLUtils

Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>


Project: http://git-wip-us.apache.org/repos/asf/cloudstack/repo
Commit: http://git-wip-us.apache.org/repos/asf/cloudstack/commit/d6ea4ad7
Tree: http://git-wip-us.apache.org/repos/asf/cloudstack/tree/d6ea4ad7
Diff: http://git-wip-us.apache.org/repos/asf/cloudstack/diff/d6ea4ad7

Branch: refs/heads/master
Commit: d6ea4ad7e064eea23e584be44d10a8c4ee80b608
Parents: e6ec51e
Author: Rohit Yadav <rohit.yadav@shapeblue.com>
Authored: Sun Aug 24 15:50:07 2014 +0200
Committer: Rohit Yadav <rohit.yadav@shapeblue.com>
Committed: Thu Aug 28 19:45:22 2014 +0200

----------------------------------------------------------------------
 utils/pom.xml                                   |   5 +
 .../apache/cloudstack/utils/auth/SAMLUtils.java | 162 +++++++++++++++++++
 2 files changed, 167 insertions(+)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/cloudstack/blob/d6ea4ad7/utils/pom.xml
----------------------------------------------------------------------
diff --git a/utils/pom.xml b/utils/pom.xml
index 27eeee3..7dafbba 100755
--- a/utils/pom.xml
+++ b/utils/pom.xml
@@ -144,6 +144,11 @@
       </exclusions>
     </dependency>
     <dependency>
+      <groupId>org.opensaml</groupId>
+      <artifactId>opensaml</artifactId>
+      <version>${cs.opensaml.version}</version>
+    </dependency>
+    <dependency>
         <groupId>commons-net</groupId>
         <artifactId>commons-net</artifactId>
         <version>3.3</version>

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/d6ea4ad7/utils/src/org/apache/cloudstack/utils/auth/SAMLUtils.java
----------------------------------------------------------------------
diff --git a/utils/src/org/apache/cloudstack/utils/auth/SAMLUtils.java b/utils/src/org/apache/cloudstack/utils/auth/SAMLUtils.java
new file mode 100644
index 0000000..bc39eaf
--- /dev/null
+++ b/utils/src/org/apache/cloudstack/utils/auth/SAMLUtils.java
@@ -0,0 +1,162 @@
+//
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// 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
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+//
+
+package org.apache.cloudstack.utils.auth;
+
+import org.apache.log4j.Logger;
+import org.joda.time.DateTime;
+import org.opensaml.Configuration;
+import org.opensaml.DefaultBootstrap;
+import org.opensaml.common.SAMLVersion;
+import org.opensaml.common.xml.SAMLConstants;
+import org.opensaml.saml2.core.AuthnContextClassRef;
+import org.opensaml.saml2.core.AuthnContextComparisonTypeEnumeration;
+import org.opensaml.saml2.core.AuthnRequest;
+import org.opensaml.saml2.core.Issuer;
+import org.opensaml.saml2.core.NameIDPolicy;
+import org.opensaml.saml2.core.NameIDType;
+import org.opensaml.saml2.core.RequestedAuthnContext;
+import org.opensaml.saml2.core.Response;
+import org.opensaml.saml2.core.impl.AuthnContextClassRefBuilder;
+import org.opensaml.saml2.core.impl.AuthnRequestBuilder;
+import org.opensaml.saml2.core.impl.IssuerBuilder;
+import org.opensaml.saml2.core.impl.NameIDPolicyBuilder;
+import org.opensaml.saml2.core.impl.RequestedAuthnContextBuilder;
+import org.opensaml.xml.ConfigurationException;
+import org.opensaml.xml.io.Marshaller;
+import org.opensaml.xml.io.MarshallingException;
+import org.opensaml.xml.io.Unmarshaller;
+import org.opensaml.xml.io.UnmarshallerFactory;
+import org.opensaml.xml.io.UnmarshallingException;
+import org.opensaml.xml.util.Base64;
+import org.opensaml.xml.util.XMLHelper;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.xml.sax.SAXException;
+
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.stream.FactoryConfigurationError;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.StringWriter;
+import java.net.URLEncoder;
+import java.util.zip.Deflater;
+import java.util.zip.DeflaterOutputStream;
+
+public class SAMLUtils {
+    public static final Logger s_logger = Logger.getLogger(SAMLUtils.class);
+
+    public static final String SAML_NS = "saml-";
+
+    public static String createSAMLId(String uid) {
+        return SAML_NS + uid;
+    }
+
+    public static Boolean checkSAMLUserId(String uuid) {
+        return uuid.startsWith(SAML_NS);
+    }
+
+    public static AuthnRequest buildAuthnRequestObject(String authnId, String spId, String
idpUrl, String consumerUrl) {
+        // Issuer object
+        IssuerBuilder issuerBuilder = new IssuerBuilder();
+        Issuer issuer = issuerBuilder.buildObject();
+        issuer.setValue(spId);
+
+        // NameIDPolicy
+        NameIDPolicyBuilder nameIdPolicyBuilder = new NameIDPolicyBuilder();
+        NameIDPolicy nameIdPolicy = nameIdPolicyBuilder.buildObject();
+        nameIdPolicy.setFormat(NameIDType.PERSISTENT);
+        nameIdPolicy.setSPNameQualifier("Apache CloudStack");
+        nameIdPolicy.setAllowCreate(true);
+
+        // AuthnContextClass
+        AuthnContextClassRefBuilder authnContextClassRefBuilder = new AuthnContextClassRefBuilder();
+        AuthnContextClassRef authnContextClassRef = authnContextClassRefBuilder.buildObject(
+                SAMLConstants.SAML20_NS,
+                "AuthnContextClassRef", "saml");
+        authnContextClassRef.setAuthnContextClassRef("urn:oasis:names:tc:SAML:2.0:ac:classes:PasswordProtectedTransport");
+
+        // AuthnContex
+        RequestedAuthnContextBuilder requestedAuthnContextBuilder = new RequestedAuthnContextBuilder();
+        RequestedAuthnContext requestedAuthnContext = requestedAuthnContextBuilder.buildObject();
+        requestedAuthnContext
+                .setComparison(AuthnContextComparisonTypeEnumeration.MINIMUM);
+        requestedAuthnContext.getAuthnContextClassRefs().add(
+                authnContextClassRef);
+
+        // Creation of AuthRequestObject
+        AuthnRequestBuilder authRequestBuilder = new AuthnRequestBuilder();
+        AuthnRequest authnRequest = authRequestBuilder.buildObject();
+        authnRequest.setID(authnId);
+        authnRequest.setDestination(idpUrl);
+        authnRequest.setVersion(SAMLVersion.VERSION_20);
+        authnRequest.setForceAuthn(true);
+        authnRequest.setIsPassive(false);
+        authnRequest.setIssuer(issuer);
+        authnRequest.setIssueInstant(new DateTime());
+        authnRequest.setProviderName("Apache CloudStack");
+        authnRequest.setProtocolBinding(SAMLConstants.SAML2_REDIRECT_BINDING_URI);
+        authnRequest.setAssertionConsumerServiceURL(consumerUrl);
+        authnRequest.setNameIDPolicy(nameIdPolicy);
+        authnRequest.setRequestedAuthnContext(requestedAuthnContext);
+
+        return authnRequest;
+    }
+
+    public static String encodeSAMLRequest(AuthnRequest authnRequest)
+            throws MarshallingException, IOException {
+        Marshaller marshaller = Configuration.getMarshallerFactory()
+                .getMarshaller(authnRequest);
+        Element authDOM = marshaller.marshall(authnRequest);
+        StringWriter requestWriter = new StringWriter();
+        XMLHelper.writeNode(authDOM, requestWriter);
+        String requestMessage = requestWriter.toString();
+        Deflater deflater = new Deflater(Deflater.DEFLATED, true);
+        ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
+        DeflaterOutputStream deflaterOutputStream = new DeflaterOutputStream(byteArrayOutputStream,
deflater);
+        deflaterOutputStream.write(requestMessage.getBytes());
+        deflaterOutputStream.close();
+        String encodedRequestMessage = Base64.encodeBytes(byteArrayOutputStream.toByteArray(),
Base64.DONT_BREAK_LINES);
+        encodedRequestMessage = URLEncoder.encode(encodedRequestMessage, "UTF-8").trim();
+        return encodedRequestMessage;
+    }
+
+    public static Response decodeSAMLResponse(String responseMessage)
+            throws ConfigurationException, ParserConfigurationException,
+            SAXException, IOException, UnmarshallingException {
+        try {
+            DefaultBootstrap.bootstrap();
+        } catch (ConfigurationException | FactoryConfigurationError e) {
+            s_logger.error("SAML response message decoding error: " + e.getMessage());
+        }
+        DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
+        documentBuilderFactory.setNamespaceAware(true);
+        DocumentBuilder docBuilder = documentBuilderFactory.newDocumentBuilder();
+        byte[] base64DecodedResponse = Base64.decode(responseMessage);
+        Document document = docBuilder.parse(new ByteArrayInputStream(base64DecodedResponse));
+        Element element = document.getDocumentElement();
+        UnmarshallerFactory unmarshallerFactory = Configuration.getUnmarshallerFactory();
+        Unmarshaller unmarshaller = unmarshallerFactory.getUnmarshaller(element);
+        return (Response) unmarshaller.unmarshall(element);
+    }
+
+}


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