1 files changed, 205 insertions, 0 deletions
diff --git a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/proxy/DefaultConnectionBuilder.java b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/proxy/DefaultConnectionBuilder.java
new file mode 100644
index 000000000..c1e64dd53
--- /dev/null
+++ b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/proxy/DefaultConnectionBuilder.java
@@ -0,0 +1,205 @@
+/*
+ * 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.proxy;
+
+import java.io.IOException;
+import java.io.UnsupportedEncodingException;
+import java.net.HttpURLConnection;
+import java.net.MalformedURLException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.URL;
+import java.util.Iterator;
+import java.util.Vector;
+
+import javax.net.ssl.HostnameVerifier;
+import javax.net.ssl.HttpsURLConnection;
+import javax.net.ssl.SSLSession;
+import javax.net.ssl.SSLSocketFactory;
+import javax.servlet.http.HttpServletRequest;
+
+import at.gv.egovernment.moa.id.config.ConfigurationException;
+import at.gv.egovernment.moa.id.config.proxy.ProxyConfigurationProvider;
+import at.gv.egovernment.moa.logging.Logger;
+import at.gv.egovernment.moa.util.BoolUtils;
+import at.gv.egovernment.moa.util.URLEncoder;
+
+
+
+/**
+ * Defaultimplementierung von <code>ConnectionBuilder</code>.
+ * @author Paul Ivancsics
+ * @version $Id$
+ */
+public class DefaultConnectionBuilder implements ConnectionBuilder {
+  
+  /** a boolean to disable the HostnameVerification (default = false)*/
+  private static boolean cbDisableHostnameVerification = false;
+
+  /**
+   * Constructor for DefaultConnectionBuilder.
+   * @throws ConfigurationException on any config error
+   */
+  public DefaultConnectionBuilder() throws ConfigurationException {
+    cbDisableHostnameVerification = BoolUtils.valueOf(
+      ProxyConfigurationProvider.getInstance().getGenericConfigurationParameter(
+        "ProxyComponent.DisableHostnameVerification"));
+      //TODO MOA-ID BRZ undocumented feature
+    if (cbDisableHostnameVerification)
+      Logger.warn("ProxyComponent.DisableHostnameVerification: " + cbDisableHostnameVerification);
+  }
+
+  /**
+   * @see at.gv.egovernment.moa.id.proxy.ConnectionBuilder#buildConnection
+   */
+  public HttpURLConnection buildConnection(
+    HttpServletRequest req,
+    String publicURLPrefix,
+    String realURLPrefix,
+    SSLSocketFactory sslSocketFactory,
+    Vector parameters)
+    throws IOException {
+
+	// Bug [#540]  
+    //String requestedURL = req.getRequestURL().toString();
+    String requestedURL = escapeUrl(req.getRequestURL().toString());
+
+    // check whether requested URL starts with publicURLPrefix
+
+    //Temporary allow http:// urls instead of the https:// in publicURLPrefix
+    //if (req.getSession().getAttribute("authorizationkey")==null) {
+    //  if (! requestedURL.startsWith(publicURLPrefix))
+    //    throw new IOException(MOAIDMessageProvider.getInstance().getMessage(
+    //    "proxy.01", new Object[] {requestedURL, publicURLPrefix}));
+    //}
+    
+    // in case of GET request, append query string to requested URL;
+    // otherwise, HttpURLConnection would perform a POST request
+    if ("get".equalsIgnoreCase(req.getMethod()) && ! parameters.isEmpty()) {
+      requestedURL = appendQueryString(requestedURL, parameters);
+    }
+    // build real URL in online application
+    String realURLString = realURLPrefix + requestedURL.substring(publicURLPrefix.length());
+    URL url = new URL(realURLString);
+    Logger.debug("OA Request: " + req.getMethod() + " " + url.toString());
+
+    HttpURLConnection conn = (HttpURLConnection)url.openConnection();
+    conn.setRequestMethod(req.getMethod());
+    conn.setDoInput(true);
+    conn.setDoOutput(true);
+    //conn.setUseCaches(false);
+    //conn.setAllowUserInteraction(true);
+    conn.setInstanceFollowRedirects(false);
+    
+    // JSSE Abhängigkeit
+    if (conn instanceof HttpsURLConnection && sslSocketFactory != null) {
+      HttpsURLConnection httpsConn = (HttpsURLConnection) conn;
+      httpsConn.setSSLSocketFactory(sslSocketFactory);
+      if (cbDisableHostnameVerification)
+      	httpsConn.setHostnameVerifier(new HostnameNonVerifier());
+    }
+
+    return conn;
+  }
+  
+  private static String escapeUrl(String unescapedUrlString) throws RuntimeException {
+  		try {
+  			URL unescapedUrl = new URL(unescapedUrlString);
+  			String protocol = unescapedUrl.getProtocol();
+  			String fragment = unescapedUrl.getRef();
+  			String ssp = unescapedUrlString.substring(protocol.length() + 1, unescapedUrlString.length() - ((fragment == null) ? 0 : fragment.length() + 1));
+  			
+  			URL url2 = new URI(protocol, ssp, fragment).toURL();
+  			return url2.toExternalForm();
+  		} catch (MalformedURLException e) {
+  			throw new RuntimeException(e);
+  		} catch (URISyntaxException e) {
+  			throw new RuntimeException(e);
+  		}
+  	}
+
+  
+  /**
+   * Disconnects the HttpURLConnection if necessary.
+   * The implementation of the Connectionbuilder decides wether 
+   * if this should be happen or not.
+   *
+   * @param conn the HttpURLConnection which is normaly to be closed
+   */
+  public void disconnect(HttpURLConnection conn) {
+  	conn.disconnect();
+  }
+
+
+  /**
+   * @param requestedURL
+   * @param parameters
+   * @return
+   */
+  private String appendQueryString(String requestedURL, Vector parameters) {
+    String newURL = requestedURL;
+    String parameter[] = new String[2];
+    String paramValue ="";
+    String paramName ="";
+    String paramString ="";
+    for (Iterator iter = parameters.iterator(); iter.hasNext();) {
+      try {
+      	parameter = (String[]) iter.next();   	
+      	//next two lines work not with OWA-SSL-Login-form
+        paramName = URLEncoder.encode((String) parameter[0], "UTF-8");
+        paramValue = URLEncoder.encode((String) parameter[1], "UTF-8");
+
+      } catch (UnsupportedEncodingException e) {
+   		//UTF-8 should be supported
+      }
+      paramString = "&" + paramName + "=" + paramValue + paramString;
+    } 	
+    if (paramString.length()>0) newURL = newURL + "?" + paramString.substring(1);
+    return newURL;
+  }
+
+  /**
+     * @author Stefan Knirsch
+     * @version $Id$
+     * A private class to change the standard HostName verifier to disable the
+     * Hostname Verification Check
+     */
+  
+  // JSSE Abhängigkeit
+  private class HostnameNonVerifier implements HostnameVerifier {
+
+   public boolean verify(String hostname, SSLSession session) {
+      return true;
+   }
+
+    /**
+     * @see com.sun.net.ssl.HostnameVerifier#verify(String, String)
+     */
+    /*public boolean verify(String arg0, String arg1) {
+      return true;
+    }*/
+  }
+
+}