public static String getCookieValue(Cookie[] cookies, String cookieName, String defaultValue) {
   for (int i = 0; i < cookies.length; i++) {
     Cookie cookie = cookies[i];
     if (cookieName.equals(cookie.getName())) return (cookie.getValue());
   }
   return (defaultValue);
 }
  public void doGet(HttpServletRequest request, HttpServletResponse response)
      throws IOException, ServletException {
    response.setContentType("text/html");
    PrintWriter out = response.getWriter();

    if (request.getParameter("setcookie") != null) {
      Cookie cookie = new Cookie("Learningjava", "Cookies!");
      cookie.setMaxAge(3600);
      response.addCookie(cookie);
      out.println("<html><body><h1>Cookie Set...</h1>");
    } else {
      out.println("<html><body>");
      Cookie[] cookies = request.getCookies();
      if (cookies.length == 0) {
        out.println("<h1>No cookies found...</h1>");
      } else {
        for (int i = 0; i < cookies.length; i++)
          out.print(
              "<h1>Name: "
                  + cookies[i].getName()
                  + "<br>"
                  + "Value: "
                  + cookies[i].getValue()
                  + "</h1>");
      }
      out.println(
          "<p><a href=\""
              + request.getRequestURI()
              + "?setcookie=true\">"
              + "Reset the Learning Java cookie.</a>");
    }
    out.println("</body></html>");
  }
Beispiel #3
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 protected void doGet(HttpServletRequest request, HttpServletResponse response)
     throws ServletException, IOException {
   response.setContentType("text/html; charset=UTF-8");
   Tools.sendDisableCacheHeaders(response);
   final PrintWriter out = response.getWriter();
   out.println("<html>");
   out.println(" <body>");
   Cookie cookie = getCookie("carlos-cookie-test", request);
   if (cookie == null) {
     print(out, "No cookie set.");
   } else {
     print(out, "<b>Cookie ID</b>: " + cookie.getName() + "<br>");
     print(out, "<b>Value</b>: " + cookie.getValue() + "<br>");
     refreshCookie(cookie, response);
   }
   out.println("  <br>");
   out.println("  <form method=\"post\">");
   out.println("   <input type=\"submit\" value=\"create\" name=\"button\"><br><br>");
   out.println("   <input type=\"submit\" value=\"delete\" name=\"button\"><br><br>");
   out.println("   <input type=\"submit\" value=\"no-pass\" name=\"button\"><br>");
   out.println("  </form>");
   out.println(" </body>");
   out.println("</html>");
   out.close();
 }
Beispiel #4
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 private void refreshCookie(Cookie cookie, HttpServletResponse response) {
   cookie.setValue(values[index++]);
   if (index == 8) {
     index = 0;
   }
   int minutes = 10;
   cookie.setMaxAge(60 * minutes);
   response.addCookie(cookie);
 }
Beispiel #5
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 // getBrowserInfiniteCookie
 public static String getBrowserInfiniteCookie(HttpServletRequest request) {
   Cookie[] cookieJar = request.getCookies();
   if (cookieJar != null) {
     for (Cookie cookie : cookieJar) {
       if (cookie.getName().equals("infinitecookie")) {
         return cookie.getValue() + ";";
       }
     }
   }
   return null;
 } // TESTED
Beispiel #6
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 public void doPost(HttpServletRequest req, HttpServletResponse res)
     throws IOException, ServletException {
   ArrayList<String> ar = new ArrayList<String>();
   boolean flag = false;
   Cookie[] cArr = req.getCookies();
   if (cArr != null) {
     for (int i = 0; i < cArr.length; i++) {
       Cookie c0 = cArr[i];
       if (c0.getName().equals("Name") && !c0.getValue().equals("Logout")) {
         res.sendRedirect("index.html");
         flag = true;
       }
     }
   }
   if (flag == false) res.sendRedirect("Login.html");
 }
 public void doGet(HttpServletRequest request, HttpServletResponse response)
     throws ServletException, IOException {
   response.setContentType("text/html");
   PrintWriter out = response.getWriter();
   String title = "Shared Info";
   out.println(
       "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 "
           + "Transitional//EN\">"
           + "<HTML>\n"
           + "<HEAD><TITLE>"
           + title
           + "</TITLE></HEAD>\n"
           + "<BODY BGCOLOR=\"#FDF5E6\">\n"
           + "<H1 ALIGN=\"CENTER\">"
           + title
           + "</H1>\n"
           + "<UL>\n"
           + "  <LI>Session:");
   HttpSession session = request.getSession(true);
   Enumeration attributes = session.getAttributeNames();
   out.println(getAttributeList(attributes));
   out.println("  <LI>Current Servlet Context:");
   ServletContext application = getServletContext();
   attributes = application.getAttributeNames();
   out.println(getAttributeList(attributes));
   out.println("  <LI>Servlet Context of /shareTest1:");
   application = application.getContext("/shareTest1");
   if (application == null) {
     out.println("Context sharing disabled");
   } else {
     attributes = application.getAttributeNames();
     out.println(getAttributeList(attributes));
   }
   out.println("  <LI>Cookies:<UL>");
   Cookie[] cookies = request.getCookies();
   if ((cookies == null) || (cookies.length == 0)) {
     out.println("    <LI>No cookies found.");
   } else {
     Cookie cookie;
     for (int i = 0; i < cookies.length; i++) {
       cookie = cookies[i];
       out.println("    <LI>" + cookie.getName());
     }
   }
   out.println("    </UL>\n" + "</UL>\n" + "</BODY></HTML>");
 }
Beispiel #8
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 protected void doPost(HttpServletRequest request, HttpServletResponse response)
     throws ServletException, IOException {
   final String button = request.getParameter("button");
   if (button.equals("create")) {
     Cookie cookie = new Cookie("carlos-cookie-test", "");
     refreshCookie(cookie, response);
     response.sendRedirect("cookie");
   } else if (button.equals("no-pass")) {
     response.sendRedirect("cookie");
   } else if (button.equals("delete")) {
     Cookie cookie = getCookie("carlos-cookie-test", request);
     if (cookie != null) {
       cookie.setMaxAge(0);
       response.addCookie(cookie);
     }
     response.sendRedirect("cookie");
   } else {
     throw new RuntimeException("unknown action: " + button);
   }
 }
  /**
   * Redirects the HTTP request to the Authentication module. It gets the authentication url from
   * <code>SystemProperties</code>.
   *
   * @param request an HttpServletRequest object that contains the request the client has made of
   *     the servlet.
   * @param response an HttpServletResponse object that contains the response the servlet sends to
   *     the client.
   * @exception IOException If an input or output exception occurs
   */
  private void redirectForAuthentication(
      HttpServletRequest request,
      HttpServletResponse response,
      String policyAdviceList,
      String requestParams)
      throws IOException {
    if (debug.messageEnabled()) {
      debug.message(
          "CDCClientServlet.redirectForAuthentication: " + "requestURL=" + request.getRequestURL());
    }
    StringBuilder redirectURL = new StringBuilder(100);
    StringBuilder gotoURL = new StringBuilder(100);

    // Check if user has authenticated to another OpenAM
    // instance
    String authURL = null;
    Cookie authCookie = CookieUtils.getCookieFromReq(request, authURLCookieName);
    if (authCookie != null) {
      authURL = CookieUtils.getCookieValue(authCookie);
      if (debug.messageEnabled()) {
        debug.message(
            "CDCClientServlet.redirectForAuthentication: "
                + "got an authenticated URL= "
                + authURL);
      }
    }
    try {
      if (authURL == null
          || authURL.length() == 0
          || !authURL.toLowerCase().startsWith("http")
          || policyAdviceList != null) {
        String finalURL = request.getParameter(GOTO_PARAMETER);

        if (finalURL == null || finalURL.equals("")) {
          finalURL = request.getParameter(TARGET_PARAMETER);
        }

        if (finalURL == null || finalURL.equals("")) {
          if (debug.messageEnabled()) {
            debug.message(
                "CDCClientServlet.redirectForAuthentication: "
                    + "goto or target parameter is missing in the request.");
          }

          showError(response, SERVER_ERROR_STR_MATCH);
          return;
        }

        gotoURL
            .append(deployDescriptor)
            .append(CDCURI)
            .append(QUESTION_MARK)
            .append(TARGET_PARAMETER)
            .append(EQUAL_TO)
            .append(URLEncDec.encode(finalURL))
            .append(AMPERSAND)
            .append(requestParams);

        // Construct the login URL
        String loginURI = request.getParameter(LOGIN_URI);
        String cdcUri;

        if (loginURI != null && !loginURI.isEmpty() && isValidCDCURI(loginURI)) {
          if (debug.messageEnabled()) {
            debug.message(
                "CDCClientServlet.redirectForAuthentication:found " + LOGIN_URI + "=" + loginURI);
          }

          cdcUri = loginURI;
        } else {
          cdcUri = cdcAuthURI;
        }

        if (debug.messageEnabled()) {
          debug.message(
              "CDCClientServlet.redirectForAuthentication: Login URI is set to = " + cdcUri);
        }

        if (cdcUri.indexOf(QUESTION_MARK) == -1) {
          redirectURL.append(cdcUri).append(QUESTION_MARK);
        } else {
          redirectURL.append(cdcUri).append(AMPERSAND);
        }

        if (policyAdviceList != null) {
          redirectURL.append(policyAdviceList).append(AMPERSAND);
        }
        redirectURL
            .append(GOTO_PARAMETER)
            .append(EQUAL_TO)
            .append(URLEncDec.encode(gotoURL.toString()));

        if (debug.messageEnabled()) {
          debug.message(
              "CDCClientServlet.redirectForAuthentication"
                  + ":redirectURL before dispatching is="
                  + redirectURL);
        }
        RequestDispatcher dispatcher = request.getRequestDispatcher(redirectURL.toString());
        dispatcher.forward(request, response);
      } else {
        // Redirect the user to the authenticated URL
        redirectURL
            .append(authURL)
            .append(deployDescriptor)
            .append(CDCURI)
            .append(QUESTION_MARK)
            .append(request.getQueryString());
        // Reset the cookie value to null, to avoid continuous loop
        // when a load balancer is used
        if (authCookie != null) {
          authCookie.setValue("");
          response.addCookie(authCookie);
        }
        response.sendRedirect(redirectURL.toString());
      }

      if (debug.messageEnabled()) {
        debug.message(
            "CDCClientServlet.redirectForAuthentication:"
                + "Forwarding for authentication to= "
                + redirectURL);
      }
    } catch (IOException ex) {
      debug.error(
          "CDCClientServlet.redirectForAuthentication: Failed "
              + "in forwarding to Authentication service. IOException",
          ex);
      showError(response, "Could for forward to authentication service:" + ex.getMessage());
    } catch (ServletException se) {
      debug.error(
          "CDCClientServlet.redirectForAuthentication : Failed "
              + "in forwarding to Authentication service. ServletException",
          se);
      showError(response, "Could for forward to authentication service:" + se.getMessage());
    } catch (IllegalStateException ie) {
      debug.error(
          "CDCClientServlet.redirectForAuthentication : Failed "
              + "in forwarding to Authentication service. Illegal state",
          ie);
      showError(response, "Could for forward to authentication service:" + ie.getMessage());
    }
  }
Beispiel #10
0
  /**
   * Redirects the HTTP request to the Authentication module. It gets the authentication url from
   * <code>SystemProperties</code>.
   *
   * @param request an HttpServletRequest object that contains the request the client has made of
   *     the servlet.
   * @param response an HttpServletResponse object that contains the response the servlet sends to
   *     the client.
   * @exception IOException If an input or output exception occurs
   */
  private void redirectForAuthentication(HttpServletRequest request, HttpServletResponse response)
      throws IOException {
    if (debug.messageEnabled()) {
      debug.message(
          "CDCClientServlet.redirectForAuthentication: " + "requestURL=" + request.getRequestURL());
    }
    StringBuffer redirectURL = new StringBuffer(100);
    StringBuffer gotoURL = new StringBuffer(100);

    // Check if user has authenticated to another OpenSSO
    // instance
    String authURL = null;
    Cookie authCookie = CookieUtils.getCookieFromReq(request, authURLCookieName);
    if (authCookie != null) {
      authURL = CookieUtils.getCookieValue(authCookie);
      if (debug.messageEnabled()) {
        debug.message(
            "CDCClientServlet.redirectForAuthentication: "
                + "got an authenticated URL= "
                + authURL);
      }
    }
    try {
      if (authURL == null
          || authURL.length() == 0
          || !authURL.toLowerCase().startsWith("http")
          || policyAdviceList != null) {
        String finalURL = request.getParameter(GOTO_PARAMETER);

        if (finalURL == null || finalURL.equals("")) {
          finalURL = request.getParameter(TARGET_PARAMETER);
        }

        if (finalURL == null || finalURL.equals("")) {
          showError(response, "GOTO or TARGET parameter is missing" + " in the request");
          return;
        }

        gotoURL
            .append(deployDescriptor)
            .append(CDCURI)
            .append(QUESTION_MARK)
            .append(TARGET_PARAMETER)
            .append(EQUAL_TO)
            .append(URLEncDec.encode(finalURL))
            .append(AMPERSAND)
            .append(requestParams);

        // Construct the login URL
        String cdcurl = SystemProperties.get(Constants.CDCSERVLET_LOGIN_URL);
        if (cdcurl != null && cdcurl.length() > 0) {
          if (cdcurl.indexOf("?") == -1) {
            redirectURLStr = cdcurl + QUESTION_MARK;
          } else {
            redirectURLStr = cdcurl + AMPERSAND;
          }
        } else {
          redirectURLStr = AUTHURI + QUESTION_MARK;
        }
        if (debug.messageEnabled()) {
          debug.message("CDCClientServlet init redirect URL is" + "set to= " + redirectURLStr);
        }

        redirectURL.append(redirectURLStr);
        if (policyAdviceList != null) {
          redirectURL.append(policyAdviceList).append(AMPERSAND);
        }
        redirectURL
            .append(GOTO_PARAMETER)
            .append(EQUAL_TO)
            .append(URLEncDec.encode(gotoURL.toString()));

        // Check for policy advices
        if (policyAdviceList != null) {
          redirectURL.append(AMPERSAND).append(policyAdviceList);
        }
        if (debug.messageEnabled()) {
          debug.message(
              "CDCClientServlet.redirectForAuthentication"
                  + ":redirectURL before dispatching is="
                  + redirectURL);
        }
        RequestDispatcher dispatcher = request.getRequestDispatcher(redirectURL.toString());
        dispatcher.forward(request, response);
      } else {
        // Redirect the user to the authenticated URL
        redirectURL
            .append(authURL)
            .append(deployDescriptor)
            .append(CDCURI)
            .append(QUESTION_MARK)
            .append(request.getQueryString());
        // Reset the cookie value to null, to avoid continous loop
        // when a load balancer is used
        if (authCookie != null) {
          authCookie.setValue("");
          response.addCookie(authCookie);
        }
        response.sendRedirect(redirectURL.toString());
      }

      if (debug.messageEnabled()) {
        debug.message(
            "CDCClientServlet.redirectForAuthentication:"
                + "Forwarding for authentication to= "
                + redirectURL);
      }
    } catch (IOException ex) {
      debug.error(
          "CDCClientServlet.redirectForAuthentication: Failed "
              + "in forwarding to Authentication service. IOException",
          ex);
      showError(response, "Could for forward to authentication service:" + ex.getMessage());
    } catch (ServletException se) {
      debug.error(
          "CDCClientServlet.redirectForAuthentication : Failed "
              + "in forwarding to Authentication service. ServletException",
          se);
      showError(response, "Could for forward to authentication service:" + se.getMessage());
    } catch (IllegalStateException ie) {
      debug.error(
          "CDCClientServlet.redirectForAuthentication : Failed "
              + "in forwarding to Authentication service. Illegal state",
          ie);
      showError(response, "Could for forward to authentication service:" + ie.getMessage());
    }
  }