/**
* Handles the HTTP <code>POST</code> method.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
User us = new User();
us.setCluster(cluster);
HttpSession session = request.getSession();
LoggedIn lg = new LoggedIn();
lg.setLoggedout();
lg.setUsername(null);
session.setAttribute("LoggedIn", lg);
response.sendRedirect("index.jsp");
}
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
HttpSession session = request.getSession();
String username = "";
for (Part part : request.getParts()) {
if (part.getName().equals("message")) {
part.delete();
break;
}
String type = part.getContentType();
if (!type.startsWith("image/")) {
request.setAttribute("invalidType", true);
RequestDispatcher rd = request.getRequestDispatcher("upload.jsp");
rd.forward(request, response);
}
String filename = part.getSubmittedFileName();
InputStream is = request.getPart(part.getName()).getInputStream();
int i = is.available();
LoggedIn lg = (LoggedIn) session.getAttribute("LoggedIn");
if (lg.getlogedin()) {
username = lg.getUsername();
if (i > 0) {
byte[] b = new byte[i + 1];
is.read(b);
PicModel tm = new PicModel();
tm.setCluster(cluster);
String description = request.getParameter("message");
if (session.getAttribute("Location").equals("profile")) {
tm.insertPic(b, type, filename, username, description, true);
} else {
tm.insertPic(b, type, filename, username, description, false);
}
is.close();
}
}
}
if (session.getAttribute("Location").equals("profile")) {
response.sendRedirect("UserProfile");
} else {
response.sendRedirect("/InstagrimXinyue/Images/" + username);
}
}
/**
* @param request The servlet request we are processing
* @param response The servlet response we are creating
* @param chain The filter chain we are processing
* @exception IOException if an input/output error occurs
* @exception ServletException if a servlet error occurs
*/
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
throws IOException, ServletException {
if (debug) {
log("ProtectPages:doFilter()");
}
doBeforeProcessing(request, response);
System.out.println("Doing filter");
HttpServletRequest httpReq = (HttpServletRequest) request;
HttpSession session = httpReq.getSession(false);
LoggedIn li = (LoggedIn) session.getAttribute("LoggedIn");
System.out.println("Session in filter " + session);
if ((li == null) || (li.getlogedin() == false)) {
System.out.println("Foward to login");
RequestDispatcher rd = request.getRequestDispatcher("/login.jsp");
rd.forward(request, response);
}
Throwable problem = null;
try {
chain.doFilter(request, response);
} catch (IOException | ServletException t) {
// If an exception is thrown somewhere down the filter chain,
// we still want to execute our after processing, and then
// rethrow the problem after that.
problem = t;
}
doAfterProcessing(request, response);
// If there was a problem, we want to rethrow it if it is
// a known type, otherwise log it.
if (problem != null) {
if (problem instanceof ServletException) {
throw (ServletException) problem;
}
if (problem instanceof IOException) {
throw (IOException) problem;
}
sendProcessingError(problem, response);
}
}