Mercurial > dive4elements > river

annotate gwt-client/src/main/java/org/dive4elements/river/client/server/AuthenticationServlet.java @ 8870:c26fb37899ca

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Introduced groups for modules. Modules marked with the same group-id, will be put together in the ui. Also using now the localization info from the server instead of localizing the modules again on the client side.
author gernotbelger
date Wed, 07 Feb 2018 11:59:13 +0100
parents 5e38e2924c07
children 0a5239a1e46e
rev   line source
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.client.server;
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10
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11 import java.io.IOException;
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12
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13 import javax.servlet.ServletException;
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14 import javax.servlet.http.HttpServlet;
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15 import javax.servlet.http.HttpServletRequest;
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16 import javax.servlet.http.HttpServletResponse;
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17 import javax.servlet.http.HttpSession;
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18
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19 import org.apache.log4j.Logger;
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20
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21 import org.dive4elements.river.client.server.auth.User;
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22 import org.dive4elements.river.client.server.auth.UserClient;
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23
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24 /**
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25 * Base class for servlets performing authentication and login.
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26 */
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27 public class AuthenticationServlet extends HttpServlet {
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28
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29 private static Logger log = Logger.getLogger(AuthenticationServlet.class);
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30
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31 private static final String FLYS_PAGE = "FLYS.html";
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32 private static final String LOGIN_PAGE = "login.jsp";
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33
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34 protected void redirectFailure(HttpServletResponse resp, String path)
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35 throws IOException {
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36 resp.sendRedirect(path + "/" + LOGIN_PAGE);
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37 }
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38
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39 protected void redirectFailure(HttpServletResponse resp, String path,
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40 Exception e) throws IOException {
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41 this.redirectFailure(resp, path, e.getMessage());
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42 }
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43
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44 protected void redirectFailure(HttpServletResponse resp, String path,
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45 String message) throws IOException {
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46 resp.sendRedirect(path + "/" + LOGIN_PAGE + "?error=" + message);
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47 }
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48
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49 protected void redirectSuccess(HttpServletResponse resp, String path,
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50 String uri) throws IOException {
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51 if (uri == null) {
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52 String redirecturl = getServletContext().getInitParameter(
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53 "redirect-url");
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54 if (redirecturl == null) {
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55 redirecturl = FLYS_PAGE;
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56 }
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57 uri = "/" + redirecturl;
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58 }
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59 resp.sendRedirect(uri);
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60 }
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61
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62 @Override
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63 protected void doGet(HttpServletRequest req, HttpServletResponse resp)
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64 throws ServletException, IOException {
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65 log.debug("Processing get request");
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66 this.redirectFailure(resp, req.getContextPath());
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67 }
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68
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69 protected void performLogin(HttpServletRequest req,
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70 HttpServletResponse resp, User user)
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71 throws ServletException, IOException {
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72 String url = getServletContext().getInitParameter("server-url");
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73 UserClient client = new UserClient(url);
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74 if (!client.userExists(user)) {
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75 log.debug("Creating db user");
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76 if (!client.createUser(user)) {
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77 this.redirectFailure(resp, req.getContextPath(),
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78 "Could not create new user");
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79 return;
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80 }
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81 }
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82
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83 HttpSession session = req.getSession();
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84 session.setAttribute("user", user);
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85
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86 String uri = (String)session.getAttribute("requesturi");
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87
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88 this.redirectSuccess(resp, req.getContextPath(), uri);
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89 }
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90 }
http://dive4elements.wald.intevation.org