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>");
}
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();
}
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);
}
// 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
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>");
}
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());
}
}
/**
* 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());
}
}