1 files changed, 83 insertions, 0 deletions
diff --git a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/builder/DataURLBuilder.java b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/builder/DataURLBuilder.java
new file mode 100644
index 000000000..30cc1df5a
--- /dev/null
+++ b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/builder/DataURLBuilder.java
@@ -0,0 +1,83 @@
+package at.gv.egovernment.moa.id.auth.builder;
+
+import at.gv.egovernment.moa.id.auth.servlet.AuthServlet;
+import at.gv.egovernment.moa.id.config.ConfigurationException;
+import at.gv.egovernment.moa.id.config.auth.AuthConfigurationProvider;
+import at.gv.egovernment.moa.id.util.MOAIDMessageProvider;
+import at.gv.egovernment.moa.logging.Logger;
+
+/**
+ * Builds a DataURL parameter meant for the security layer implementation
+ * to respond to.
+ * 
+ * @author Paul Ivancsics
+ * @version $Id$
+ */
+public class DataURLBuilder {
+	
+  /**
+   * Constructor for DataURLBuilder.
+   */
+  public DataURLBuilder() {
+    super();
+  }
+
+  /**
+   * Constructs a data URL for <code>VerifyIdentityLink</code> or <code>VerifyAuthenticationBlock</code>, 
+   * including the <code>MOASessionID</code> as a parameter.
+   * 
+   * @param authBaseURL base URL (context path) of the MOA ID Authentication component,
+   * 				 including a trailing <code>'/'</code>
+   * @param authServletName request part of the data URL
+   * @param sessionID sessionID to be included in the dataURL
+   * @return String
+   */
+  public String buildDataURL(String authBaseURL, String authServletName, String sessionID) {
+
+		String individualDataURLPrefix = null;
+		String dataURL;
+		try {      
+      //check if an individual prefix is configured
+      individualDataURLPrefix = AuthConfigurationProvider.getInstance().
+      	getGenericConfigurationParameter(AuthConfigurationProvider.INDIVIDUAL_DATA_URL_PREFIX);
+			
+			if (null != individualDataURLPrefix) {
+				
+				//check individualDataURLPrefix
+				if(!individualDataURLPrefix.startsWith("http"))
+					throw(new ConfigurationException("config.13", new Object[] { individualDataURLPrefix}));
+
+				//when ok then use it
+				dataURL = individualDataURLPrefix + authServletName;
+			} else 
+				dataURL = authBaseURL + authServletName;
+			    	
+    } catch (ConfigurationException e) {
+      Logger.warn(e);
+      Logger.warn(MOAIDMessageProvider.getInstance().getMessage("config.12", new Object[] { authBaseURL } ));
+			dataURL = authBaseURL + authServletName;
+    }
+
+    dataURL = addParameter(dataURL, AuthServlet.PARAM_SESSIONID, sessionID);
+  	return dataURL;
+  }
+
+  /**
+   * Method addParameter.
+   * @param urlString represents the url 
+   * @param paramname is the parameter to be added
+   * @param value is the value of that parameter
+   * @return String
+   */
+  private String addParameter(String urlString, String paramname, String value) {
+    String url = urlString;
+    if (paramname != null) {
+      if (url.indexOf("?") < 0)
+        url += "?";
+      else
+        url += "&";
+      url += paramname + "=" + value;
+    }
+    return url;
+  }
+}