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java
14 days ago
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import java.io.IOException; import java.util.List; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.*; /** * Servlet implementation class UserSessionCreate */ @WebServlet("/LoginServlet") public class LoginServlet extends HttpServlet { private static final long serialVersionUID = 1L; /** * @see HttpServlet#HttpServlet() */ public LoginServlet() { super(); } /** * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response) */ protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // Get parameters from the form String owner_email = request.getParameter("owner_email"); String owner_password = request.getParameter("password"); boolean loginSuccessful = false; try { loginSuccessful = DogDAO.checkLogin(owner_email, owner_password); if (loginSuccessful) { // Invalidate existing session, if any exist HttpSession existingSession = request.getSession(false); if (existingSession != null) { System.out.println("LoginServlet: Existing session deleted. ID: " + existingSession.getId()); existingSession.invalidate(); } Cookie loginCookie = new Cookie("user", owner_email); // Setting cookie to expiry after 3min loginCookie.setMaxAge(3*60); System.out.println("LoginServlet Cookie: " + loginCookie); HttpSession session = request.getSession(); System.out.println("LoginServlet: New session " + session.getId()); List<Dog> dogDetails = DogDAO.instance.getDogByEmail(owner_email); if (dogDetails != null && !dogDetails.isEmpty()) { Dog userDog = dogDetails.get(0); String owner_name = userDog.getOwner_name(); session.setAttribute("owner_email", owner_email); session.setAttribute("owner_password", owner_password); session.setAttribute("owner_name", owner_name); session.setAttribute("dogDetails", dogDetails); System.out.println("LoginServlet Session Details:\n" + owner_email + " " + owner_password + " " + owner_name + " \n" + dogDetails ); } System.out.println("LoginServlet: Login successful.\n"); response.addCookie(loginCookie); response.sendRedirect("login2.jsp"); } else { System.out.println("LoginServlet: Login unsuccessful.\n"); response.sendRedirect("login.jsp"); } } catch (Exception e) { e.printStackTrace(); System.out.println("LoginServlet: Exception during login for " + owner_email); } } }
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