0 " +
"Transitional//EN\">\n";
String title = "Security Info";
out.println
(docType +
"\n" +
"\n" +
"\n" +
"

" + title + "

\n" +
"

\n" +
"
• URL: " + currentURL + "\n" +
  "
• Data: " + formData);
  boolean isSecure = request.isSecure();
  4.6 Example: Programmatic Security and SSL 199
  if (isSecure) {
  String keyAttribute =
  "javax.servlet.request.key_size";
  // Available only with servlets 2.3
  Integer keySize =
  (Integer)request.getAttribute(keyAttribute);
  String sizeString =
  replaceNull(keySize, "Unknown");
  String cipherAttribute =
  "javax.servlet.request.cipher_suite";
  // Available only with servlets 2.3
  String cipherSuite =
  (String)request.getAttribute(cipherAttribute);
  String cipherString =
  replaceNull(cipherSuite, "Unknown");
  String certAttribute =
  "javax.servlet.request.X509Certificate";
  // Available with servlets 2.2 and 2.3
  X509Certificate certificate =
  (X509Certificate)request.getAttribute(certAttribute);
  String certificateString =
  replaceNull(certificate, "None");
  out.println
  ("
• SSL: true\n" +
  "
  \n" +
  "
  • Key Size: " + sizeString + "\n" +
    "
  • Cipher Suite: " + cipherString + "\n" +
    "
  • Client Certificate: " +
    certificateString + "\n" +
    "
  ");
  }
  out.println
  ("

\n" +
"");
}
}
// Given http://blah, return https://blah.
private String httpsURL(String origURL) {
int index = origURL.


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