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authorrudolf <rudolf@d688527b-c9ab-4aba-bd8d-4036d912da1d>2005-01-17 11:01:43 +0000
committerrudolf <rudolf@d688527b-c9ab-4aba-bd8d-4036d912da1d>2005-01-17 11:01:43 +0000
commit6beeda59da023e77047915910caf5aab0a9502b2 (patch)
treea6b564e4f4c59416d5d55589128761efac69137e /id.server/src/at
parenta06c406ad4d7f2df8fa9656cc84cda861f1d768f (diff)
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Added ElakConnectionBuilder (not yet finalized)
git-svn-id: https://joinup.ec.europa.eu/svn/moa-idspss/trunk@210 d688527b-c9ab-4aba-bd8d-4036d912da1d
Diffstat (limited to 'id.server/src/at')
-rw-r--r--id.server/src/at/gv/egovernment/moa/id/proxy/ElakConnectionBuilder.java226
1 files changed, 226 insertions, 0 deletions
diff --git a/id.server/src/at/gv/egovernment/moa/id/proxy/ElakConnectionBuilder.java b/id.server/src/at/gv/egovernment/moa/id/proxy/ElakConnectionBuilder.java
new file mode 100644
index 000000000..a1ccb7353
--- /dev/null
+++ b/id.server/src/at/gv/egovernment/moa/id/proxy/ElakConnectionBuilder.java
@@ -0,0 +1,226 @@
+package at.gv.egovernment.moa.id.proxy;
+
+import java.io.IOException;
+import java.net.HttpURLConnection;
+
+import com.ibm.webdav.HTTPHeaders;
+import com.ibm.webdav.protocol.URLStreamHandlerFactory;
+import java.util.StringTokenizer;
+import com.ibm.webdav.protocol.http.WebDAVURLConnection;
+import java.net.URL;
+import java.net.URLStreamHandler;
+import java.util.Iterator;
+import java.util.Map;
+
+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.id.util.MOAIDMessageProvider;
+import at.gv.egovernment.moa.logging.Logger;
+import at.gv.egovernment.moa.util.BoolUtils;
+
+import com.sun.net.ssl.HostnameVerifier;
+import com.sun.net.ssl.HttpsURLConnection;
+
+/**
+ * Defaultimplementierung von <code>ConnectionBuilder</code>.
+ * @author Paul Ivancsics
+ * @version $Id$
+ */
+public class ElakConnectionBuilder implements ConnectionBuilder {
+
+ /** a boolean to disable the HostnameVerification (default = false)*/
+ private static boolean cbDisableHostnameVerification = false;
+
+ /** a boolean to indicat if webdav protocol handler was already set */
+ private static boolean webdavPHSet = false;
+
+ /**
+ * The system property name used to register a protocol handler.
+ */
+ public final static String PROTOCOL_HANDLER_PROPERTY_NAME = "java.protocol.handler.pkgs";
+
+ /**
+ * The package providing the ldap protocol handler.
+ */
+ public final static String WEBDAV_PROTOCOL_HANDLER = "com.ibm.webdav.protocol";
+
+ /**
+ * The pipe character used to sepearte different protocol handlers.
+ */
+ public final static char PIPE_CHAR = '|';
+
+
+
+
+
+ /**
+ * Constructor for ElakConnectionBuilder.
+ * @throws ConfigurationException on any config error
+ */
+ public ElakConnectionBuilder() 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,
+ Map parameters)
+ throws IOException {
+
+ String requestedURL = req.getRequestURL().toString();
+ // check whether requested URL starts with publicURLPrefix
+ 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
+ //FIXME right parameters
+ /*
+ if ("get".equalsIgnoreCase(req.getMethod()) && ! parameters.isEmpty()) {
+ requestedURL = appendQueryString(requestedURL, parameters);
+ }
+ */
+ //TODO RSCH check functionality
+ if (null != req.getQueryString() && 0 != req.getQueryString().length() ) {
+ String query = req.getQueryString();
+ requestedURL = requestedURL + "?" + query;
+
+ for (Iterator iter = parameters.keySet().iterator(); iter.hasNext();) {
+ String parameterKey = (String) iter.next();
+ if(query.indexOf(parameterKey) >= 0) iter.remove();
+ }
+ }
+
+ // build real URL in online application
+ String realURLString = realURLPrefix + requestedURL.substring(publicURLPrefix.length());
+
+
+ Logger.info("Registering WebDAV protocol handler");
+ String protocolHandlers = System.getProperty(ElakConnectionBuilder.PROTOCOL_HANDLER_PROPERTY_NAME);
+ if (protocolHandlers == null) {
+ protocolHandlers = ElakConnectionBuilder.WEBDAV_PROTOCOL_HANDLER;
+ System.setProperty(ElakConnectionBuilder.PROTOCOL_HANDLER_PROPERTY_NAME, protocolHandlers);
+ } else {
+ // check, if WEBDAV protocol handler is already configured
+ boolean isConfigured = false;
+ StringTokenizer tokenizer = new StringTokenizer(protocolHandlers, "| ");
+ while (tokenizer.hasMoreTokens()) {
+ String protocolHandler = tokenizer.nextToken();
+ if (protocolHandler.equals(ElakConnectionBuilder.WEBDAV_PROTOCOL_HANDLER)) {
+ isConfigured = true;
+ break;
+ }
+ }
+ // if it has not been configured yet, configure it
+ if (!isConfigured) {
+ protocolHandlers = ElakConnectionBuilder.WEBDAV_PROTOCOL_HANDLER + ElakConnectionBuilder.PIPE_CHAR + protocolHandlers;
+ System.setProperty(ElakConnectionBuilder.PROTOCOL_HANDLER_PROPERTY_NAME, protocolHandlers);
+ }
+ }
+ Logger.info("Registered protocol handlers: " + protocolHandlers);
+ Class webdavSH = null;
+ try
+ {
+ webdavSH = Class.forName(ElakConnectionBuilder.WEBDAV_PROTOCOL_HANDLER + ".http.Handler");
+ }
+ catch (ClassNotFoundException e)
+ {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ }
+ URLStreamHandler urlStreamHandler = null;
+ try
+ {
+ urlStreamHandler = (URLStreamHandler) webdavSH.newInstance();
+ }
+ catch (InstantiationException e1)
+ {
+ // TODO Auto-generated catch block
+ e1.printStackTrace();
+ }
+ catch (IllegalAccessException e1)
+ {
+ // TODO Auto-generated catch block
+ e1.printStackTrace();
+ }
+ //URL testURL = new URL("http", realURLString.substring("http://localhost:82".length()), 82, "", urlStreamHandler);
+ //WebDAVURLConnection webDavTest = (WebDAVURLConnection) testURL.openConnection();
+
+
+ URL testURL = new URL(realURLString);
+ Logger.debug("TEST URL ist von der Klasse: " + testURL.getClass().getName());
+
+ //URL url = new URL(realURLString);
+ URL testURL2 = new URL(realURLString);
+
+ URL url = new URL("http", "localhost", 82, realURLString.substring("http://localhost:82".length()), urlStreamHandler);
+
+ Logger.debug("OA Request: " + req.getMethod() + " " + url.toString());
+ WebDAVURLConnection webDavConn = (WebDAVURLConnection) url.openConnection();
+ HttpURLConnection conn = (HttpURLConnection)webDavConn;
+ webDavConn.setRequestMethod(req.getMethod());
+ webDavConn.setDoInput(true);
+ webDavConn.setDoOutput(true);
+ //conn.setUseCaches(false);
+ webDavConn.setAllowUserInteraction(true);
+ webDavConn.setInstanceFollowRedirects(false);
+ if (conn instanceof HttpsURLConnection && sslSocketFactory != null) {
+ HttpsURLConnection httpsConn = (HttpsURLConnection) conn;
+ httpsConn.setSSLSocketFactory(sslSocketFactory);
+ if (cbDisableHostnameVerification)
+ httpsConn.setHostnameVerifier(new HostnameNonVerifier());
+ }
+ return conn;
+ }
+ /**
+ * @param requestedURL
+ * @param parameters
+ * @return
+ */
+ private String appendQueryString(String requestedURL, Map parameters) {
+ String newURL = requestedURL;
+ for (Iterator iter = parameters.keySet().iterator(); iter.hasNext();) {
+ String paramName = (String)iter.next();
+ String paramValue = (String)parameters.get(paramName);
+ String paramString = paramName + "=" + paramValue;
+ if (newURL.indexOf("?") < 0)
+ newURL = newURL + "?" + paramString;
+ else
+ newURL = newURL + "&" + paramString;
+ }
+ return newURL;
+ }
+
+ /**
+ * @author Stefan Knirsch
+ * @version $Id$
+ * A private class to change the standard HostName verifier to disable the
+ * Hostname Verification Check
+ */
+ private class HostnameNonVerifier implements HostnameVerifier {
+
+ /**
+ * @see com.sun.net.ssl.HostnameVerifier#verify(String, String)
+ */
+ public boolean verify(String arg0, String arg1) {
+ return true;
+ }
+ }
+
+}