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-rw-r--r--spss.slinterface/WEB-INF/src/at/gv/egovernment/moa/spss/slinterface/Constants.java4
-rw-r--r--spss.slinterface/WEB-INF/src/at/gv/egovernment/moa/spss/slinterface/URLRewriter.java119
-rw-r--r--spss.slinterface/WEB-INF/src/at/gv/egovernment/moa/spss/slinterface/listeners/ContextListener.java5
-rw-r--r--spss.slinterface/WEB-INF/src/test/at/gv/egovernment/moa/spss/slinterface/RewriteServlet.java73
4 files changed, 201 insertions, 0 deletions
diff --git a/spss.slinterface/WEB-INF/src/at/gv/egovernment/moa/spss/slinterface/Constants.java b/spss.slinterface/WEB-INF/src/at/gv/egovernment/moa/spss/slinterface/Constants.java
index 8dd6a87ff..6e3a7c1b7 100644
--- a/spss.slinterface/WEB-INF/src/at/gv/egovernment/moa/spss/slinterface/Constants.java
+++ b/spss.slinterface/WEB-INF/src/at/gv/egovernment/moa/spss/slinterface/Constants.java
@@ -25,6 +25,9 @@ public class Constants
public static final String IP_SP_TRUSTPROFILEID_ = "service.sp.trustProfileId";
public static final String IP_RES_SHOWETSI_ = "result.showetsi";
public static final String IP_RES_SHOWSLMAN_ = "result.showslmanifest";
+ public static final String IP_REW_PROXYRUL_ = "rewrite.proxyURL";
+ public static final String IP_REW_SLI_URLPARAMNAME_ = "rewrite.sliUrlParamName";
+ public static final String IP_REW_SLIRUL_ = "result.sliUrl";
// Logging hierarchies
@@ -41,6 +44,7 @@ public class Constants
public static final String WSCP_SL2MOA_TRANSFORMER_ = "sl2MoaTransformer";
public static final String WSCP_MOA2SL_TRANSFORMER_ = "moa2SlTransformer";
public static final String WSCP_XMLPARSER_ = "xmlParser";
+ public static final String WSCP_URL_REWRITER_ = "urlRewriter";
// Security-Layer constants
diff --git a/spss.slinterface/WEB-INF/src/at/gv/egovernment/moa/spss/slinterface/URLRewriter.java b/spss.slinterface/WEB-INF/src/at/gv/egovernment/moa/spss/slinterface/URLRewriter.java
new file mode 100644
index 000000000..e1b8e77e5
--- /dev/null
+++ b/spss.slinterface/WEB-INF/src/at/gv/egovernment/moa/spss/slinterface/URLRewriter.java
@@ -0,0 +1,119 @@
+/*
+ * Created on 15.12.2003
+ *
+ * (c) Stabsstelle IKT-Strategie des Bundes
+ */
+package at.gv.egovernment.moa.spss.slinterface;
+
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.Properties;
+
+import org.apache.log4j.Logger;
+
+/**
+ * @author Gregor Karlinger (mailto:gregor.karlinger@cio.gv.at)
+ */
+public class URLRewriter
+{
+ private static Logger logger_ = Logger.getLogger(Constants.LH_LISTENERS_);
+
+ Properties initProps_;
+
+ /**
+ * Class that manges the rewriting of URLs for the result pages. Necessary as workaround for the deploy-
+ * ment in the Federal Chancellory.
+ */
+ public URLRewriter(Properties initProps)
+ {
+ initProps_ = initProps;
+ }
+
+ /**
+ * Rewrites the specified URL.
+ *
+ * @param url A URL relative to the context path of the serlet.
+ *
+ * @param sessionId The session id which will be considered in the rewritten URL.
+ *
+ * @return A URL fitting for the proxy component running at the Federal Chancellory.
+ */
+ public String rewrite(String url, String sessionId)
+ {
+ String proxyURLStr = initProps_.getProperty(Constants.IP_REW_PROXYRUL_);
+ String slInterfaceURLParamName = initProps_.getProperty(Constants.IP_REW_SLI_URLPARAMNAME_);
+ String slInterfaceURLStr = initProps_.getProperty(Constants.IP_REW_SLIRUL_);
+
+ if (proxyURLStr == null ||
+ slInterfaceURLParamName == null ||
+ slInterfaceURLStr == null ||
+ "".equals(proxyURLStr.trim()) ||
+ "".equals(slInterfaceURLParamName.trim()) ||
+ "".equals(slInterfaceURLStr.trim()))
+ {
+ logger_.warn("Some params for URL rewriting are not available; rewriting disabled:" +
+ " proxyURL: \"" + proxyURLStr + "\"," +
+ " slInterfaceURLParamName: \"" + slInterfaceURLParamName + "\"," +
+ " slInterfaceURL: \"" + slInterfaceURLStr + "\"");
+ return url;
+ }
+
+ URL slInterfaceURL = null;
+ try
+ {
+ slInterfaceURL = new URL(slInterfaceURLStr + url);
+ }
+ catch (MalformedURLException e)
+ {
+ logger_.warn("Parameter \"slInterfaceURL\" is not a valid URL: \"" + slInterfaceURLStr + "\"");
+ return url;
+ }
+ URL proxyURL = null;
+ try
+ {
+ proxyURL = new URL(proxyURLStr);
+ }
+ catch (MalformedURLException e)
+ {
+ logger_.warn("Parameter \"proxyURL\" is not a valid URL: \"" + proxyURLStr + "\"");
+ return url;
+ }
+
+ String sessionIdParam = (sessionId != null) ? (";" + "jsessionid=" + sessionId) : "";
+ String returnValue =
+ proxyURL.getProtocol() +
+ "://" +
+ proxyURL.getHost() +
+ ((proxyURL.getPort() != -1) ? (":" + proxyURL.getPort()) : "") +
+ proxyURL.getPath() +
+ ((proxyURL.getQuery() != null) ? "?" + proxyURL.getQuery() + "&" : "?") +
+ slInterfaceURLParamName + "=" +
+ slInterfaceURL.getProtocol() +
+ "://" +
+ slInterfaceURL.getHost() +
+ ((slInterfaceURL.getPort() != -1) ? (":" + slInterfaceURL.getPort()) : "") +
+ slInterfaceURL.getPath() +
+ sessionIdParam +
+ ((slInterfaceURL.getQuery() != null) ? "?" + escapeQueryPart(slInterfaceURL.getQuery()) : "");
+
+ logger_.debug("Rewritten URL: " + returnValue);
+ return returnValue;
+ }
+
+ private String escapeQueryPart(String query)
+ {
+ StringBuffer querySB = new StringBuffer();
+ for (int i = 0; i < query.length(); i++)
+ {
+ if (query.charAt(i) == '&')
+ {
+ querySB.append("%26");
+ }
+ else
+ {
+ querySB.append(query.charAt(i));
+ }
+ }
+ return querySB.toString();
+ }
+}
diff --git a/spss.slinterface/WEB-INF/src/at/gv/egovernment/moa/spss/slinterface/listeners/ContextListener.java b/spss.slinterface/WEB-INF/src/at/gv/egovernment/moa/spss/slinterface/listeners/ContextListener.java
index 83b6e96dd..3fa3a90a2 100644
--- a/spss.slinterface/WEB-INF/src/at/gv/egovernment/moa/spss/slinterface/listeners/ContextListener.java
+++ b/spss.slinterface/WEB-INF/src/at/gv/egovernment/moa/spss/slinterface/listeners/ContextListener.java
@@ -24,6 +24,7 @@ import org.apache.xerces.xni.parser.XMLInputSource;
import org.xml.sax.SAXException;
import at.gv.egovernment.moa.spss.slinterface.Constants;
+import at.gv.egovernment.moa.spss.slinterface.URLRewriter;
/**
* @author Gregor Karlinger (mailto:gregor.karlinger@cio.gv.at)
@@ -81,6 +82,10 @@ public class ContextListener implements ServletContextListener
logger_.error("Cannot load initialization properties from location \"" + initPropsLoc + "\".", e);
}
+ // Put helper object for rewriting URLs in the result page into the context
+ URLRewriter urlRewriter = new URLRewriter((Properties)context.getAttribute(Constants.WSCP_INIT_PROPS_));
+ context.setAttribute(Constants.WSCP_URL_REWRITER_, urlRewriter);
+
// Initialize XML parser
SymbolTable symbolTable = new SymbolTable(BIG_PRIME);
XMLGrammarPool grammarPool = new XMLGrammarPoolImpl();
diff --git a/spss.slinterface/WEB-INF/src/test/at/gv/egovernment/moa/spss/slinterface/RewriteServlet.java b/spss.slinterface/WEB-INF/src/test/at/gv/egovernment/moa/spss/slinterface/RewriteServlet.java
new file mode 100644
index 000000000..46b1f793d
--- /dev/null
+++ b/spss.slinterface/WEB-INF/src/test/at/gv/egovernment/moa/spss/slinterface/RewriteServlet.java
@@ -0,0 +1,73 @@
+/*
+ * Created on 15.12.2003
+ *
+ * (c) Stabsstelle IKT-Strategie des Bundes
+ */
+package test.at.gv.egovernment.moa.spss.slinterface;
+
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.URL;
+import java.net.URLConnection;
+import java.util.Properties;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.log4j.Logger;
+
+import at.gv.egovernment.moa.spss.slinterface.Constants;
+import at.gv.egovernment.moa.spss.slinterface.Utils;
+
+/**
+ * @author Gregor Karlinger (mailto:gregor.karlinger@cio.gv.at)
+ */
+public class RewriteServlet extends HttpServlet
+{
+ private static Logger logger_ = Logger.getLogger(Constants.LH_TEST_);
+
+ public RewriteServlet()
+ {
+ super();
+ }
+
+ /* ---------------------------------------------------------------------------------------------------- */
+
+ public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException
+ {
+ // Read content form POST request
+ try
+ {
+ logger_.debug("Received GET request:");
+ logger_.debug("Request URI: \"" + request.getRequestURL() + "\"");
+
+ Properties initProps = (Properties) this.getServletContext().getAttribute(Constants.WSCP_INIT_PROPS_);
+ String paramName = (initProps != null)
+ ? initProps.getProperty(Constants.IP_REW_SLI_URLPARAMNAME_)
+ : null;
+
+ if (paramName == null || "".equals(paramName))
+ throw new ServletException("Could not get rewrite parameter name from init properties.");
+
+ logger_.debug("SLInterface rewrite parameter : \"" + paramName + "\"");
+
+ String slInterfaceURLStr = request.getParameter(paramName);
+ URL slInterfaceURL = new URL(slInterfaceURLStr);
+ URLConnection slInterfaceURLConn = slInterfaceURL.openConnection();
+
+ response.setContentType(slInterfaceURLConn.getContentType());
+
+ InputStream slInterfaceIS = slInterfaceURLConn.getInputStream();
+ OutputStream responseOS = response.getOutputStream();
+ Utils.transferStreams(slInterfaceIS, responseOS);
+ }
+ catch (Exception e)
+ {
+ String message = "Failed to get answer from SL interface.";
+ logger_.error(message, e);
+ throw new ServletException(message, e);
+ }
+ }
+}