From 7bba49753c8a44fade100d3676ab0a62372d44e1 Mon Sep 17 00:00:00 2001
From: "harald.bratko" <harald.bratko@d688527b-c9ab-4aba-bd8d-4036d912da1d>
Date: Wed, 10 Jan 2007 15:37:52 +0000
Subject: Adapted for MOA-ID 1.4 (validating additional infoboxes).

git-svn-id: https://joinup.ec.europa.eu/svn/moa-idspss/trunk@769 d688527b-c9ab-4aba-bd8d-4036d912da1d
---
 .../builder/AuthenticationAssertionBuilder.java    | 88 ++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 id.server/src/at/gv/egovernment/moa/id/auth/builder/AuthenticationAssertionBuilder.java

(limited to 'id.server/src/at/gv/egovernment/moa/id/auth/builder/AuthenticationAssertionBuilder.java')

diff --git a/id.server/src/at/gv/egovernment/moa/id/auth/builder/AuthenticationAssertionBuilder.java b/id.server/src/at/gv/egovernment/moa/id/auth/builder/AuthenticationAssertionBuilder.java
new file mode 100644
index 000000000..241cf0afc
--- /dev/null
+++ b/id.server/src/at/gv/egovernment/moa/id/auth/builder/AuthenticationAssertionBuilder.java
@@ -0,0 +1,88 @@
+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;
+
+  /**
+   * 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();
+  }
+
+}
-- 
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