1 files changed, 118 insertions, 0 deletions
diff --git a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/builder/AuthenticationAssertionBuilder.java b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/builder/AuthenticationAssertionBuilder.java
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+++ b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/builder/AuthenticationAssertionBuilder.java
@@ -0,0 +1,118 @@
+/*
+ * Copyright 2003 Federal Chancellery Austria
+ * MOA-ID has been developed in a cooperation between BRZ, the Federal
+ * Chancellery Austria - ICT staff unit, and Graz University of Technology.
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ */
+
+
+package at.gv.egovernment.moa.id.auth.builder;
+
+import java.io.IOException;
+import java.text.MessageFormat;
+import java.util.Iterator;
+import java.util.List;
+
+import javax.xml.transform.TransformerException;
+
+import org.w3c.dom.Element;
+
+import at.gv.egovernment.moa.id.ParseException;
+import at.gv.egovernment.moa.id.auth.data.ExtendedSAMLAttribute;
+import at.gv.egovernment.moa.logging.Logger;
+import at.gv.egovernment.moa.util.DOMUtils;
+import at.gv.egovernment.moa.util.StringUtils;
+
+/**
+ * Base class for building authentication the AUTHBlock and final OA data SAML assertions.
+ * Encapsulates methods used by the two specific builders 
+ * {@link at.gv.egovernment.moa.id.auth.builder.AuthenticationBlockAssertionBuilder AuthenticationBlockAssertionBuilder}
+ * and
+ * {@link at.gv.egovernment.moa.id.auth.builder.AuthenticationDataAssertionBuilder AuthenticationDataAssertionBuilder}
+ * 
+ * @author Harald Bratko
+ */
+public class AuthenticationAssertionBuilder {
+  
+  /** the NewLine representation in Java*/
+  protected static String NL = "\n";
+  
+  protected static String SAML_ATTRIBUTE =
+  "   <saml:Attribute AttributeName=''{0}'' AttributeNamespace=''{1}''>" + NL +
+  "     <saml:AttributeValue>{2}</saml:AttributeValue>" + NL +
+  "   </saml:Attribute>"+ NL;
+  
+  protected static String SAML_ATTRIBUTE_NO_NAMESPACE =
+	  "   <saml:Attribute AttributeName=''{0}''>" + NL +
+	  "     <saml:AttributeValue>{1}</saml:AttributeValue>" + NL +
+	  "   </saml:Attribute>"+ NL;
+
+  /**
+   * Empty constructor
+   */
+  public AuthenticationAssertionBuilder() {
+  }
+  
+  /**
+   * Builds the SAML attributes to be appended to the AUTHBlock or to the SAML assertion 
+   * delivered to the online application.
+   * The method traverses through the list of given SAML attribute objects and builds an 
+   * XML structure (String representation) for each of the attributes. 
+   * 
+   * @param extendedSAMLAttributes The SAML attributes to be appended to the AUTHBlock or  
+   *                               to the SAML assertion delivered to the online application.
+   * @return                       A string representation including the XML structures of
+   *                               the SAML attributes.
+   *                               
+   * @throws ParseException        If an error occurs on serializing an SAML attribute.
+   */
+  protected String buildExtendedSAMLAttributes(List extendedSAMLAttributes) throws ParseException
+  {
+    StringBuffer sb = new StringBuffer();
+    if (extendedSAMLAttributes!=null) {
+      Iterator it = extendedSAMLAttributes.iterator();
+      while (it.hasNext()) {
+        ExtendedSAMLAttribute extendedSAMLAttribute = (ExtendedSAMLAttribute)it.next();
+        Object value = extendedSAMLAttribute.getValue();
+        String name = extendedSAMLAttribute.getName();
+        String namespace = extendedSAMLAttribute.getNameSpace();
+        if (value instanceof String) {
+          sb.append(MessageFormat.format( SAML_ATTRIBUTE, new Object[] {name, namespace, value}));
+        } else if (value instanceof Element) {
+          try {
+            String serializedValue = DOMUtils.serializeNode((Element)(value));
+            serializedValue = StringUtils.removeXMLDeclaration(serializedValue);
+            sb.append(MessageFormat.format( SAML_ATTRIBUTE, new Object[] {name, namespace, serializedValue}));
+          } catch (TransformerException e) {
+            Logger.error("Error on serializing SAML attribute \"" + name + 
+              " (namespace: \"" + namespace + "\".");
+            throw new ParseException("parser.05", new Object[] { name, namespace});
+          } catch (IOException e) {
+            Logger.error("Error on serializing SAML attribute \"" + name + 
+              " (namespace: \"" + namespace + "\".");
+            throw new ParseException("parser.05", new Object[] { name, namespace});
+          }
+        }
+      }
+    }
+   return sb.toString();
+  }
+  
+ 
+}