/*
* This example is from the book "Java Enterprise in a Nutshell".
* Copyright (c) 1999 by O'Reilly & Associates.
* You may distribute this source code for non-commercial purposes only.
* You may study, modify, and use this example for any purpose, as long as
* this notice is retained. Note that this example is provided "as is",
* WITHOUT WARRANTY of any kind either expressed or implied.
*/
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
public class SecureRequestServlet extends HttpServlet {
public void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
resp.setContentType("text/html");
PrintWriter out = resp.getWriter();
out.println("<HTML>");
out.println("<HEAD><TITLE>Semi-Secure Request</TITLE></HEAD>");
out.println("<BODY>");
String remoteHost = req.getRemoteHost();
String scheme = req.getScheme();
String authType = req.getAuthType();
if((remoteHost == null) || (scheme == null) || (authType == null)) {
out.println("Request Information Was Not Available.");
return;
}
if(scheme.equalsIgnoreCase("https") && remoteHost.endsWith(".gov")
&& authType.equals("Digest")) {
out.println("Special, secret information.");
}
else {
out.println("You are not authorized to view this data.");
}
out.println("</BODY></HTML>");
}
}
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