Mercurial > dive4elements > river
annotate flys-client/src/main/java/de/intevation/flys/client/server/LoginServlet.java @ 5583:523cd27b4c42
Element.getAttributeNS() does not return null values.
author | Sascha L. Teichmann <teichmann@intevation.de> |
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date | Fri, 05 Apr 2013 23:16:31 +0200 |
parents | 82cc03e5f1c4 |
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1 package de.intevation.flys.client.server; |
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2 |
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3 import java.io.IOException; |
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4 |
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5 import javax.servlet.ServletException; |
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6 import javax.servlet.ServletContext; |
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7 import javax.servlet.http.HttpServlet; |
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8 import javax.servlet.http.HttpServletRequest; |
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9 import javax.servlet.http.HttpServletResponse; |
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10 import javax.servlet.http.HttpSession; |
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11 |
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12 import org.apache.log4j.Logger; |
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13 |
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14 import de.intevation.flys.client.server.auth.Authentication; |
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15 import de.intevation.flys.client.server.auth.AuthenticationException; |
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16 import de.intevation.flys.client.server.auth.AuthenticationFactory; |
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17 import de.intevation.flys.client.server.auth.User; |
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18 import de.intevation.flys.client.server.auth.UserClient; |
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19 import de.intevation.flys.client.server.features.Features; |
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20 |
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21 public class LoginServlet extends HttpServlet { |
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22 |
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23 private static Logger logger = Logger.getLogger(LoginServlet.class); |
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24 |
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25 private static final String FLYS_PAGE = "FLYS.html"; |
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26 private static final String LOGIN_PAGE = "login.jsp"; |
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27 |
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28 private void redirectFailure(HttpServletResponse resp, String path) |
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29 throws IOException { |
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30 resp.sendRedirect(path + "/" + LOGIN_PAGE); |
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31 } |
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32 |
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33 private void redirectFailure(HttpServletResponse resp, String path, |
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34 Exception e) throws IOException { |
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35 this.redirectFailure(resp, path, e.getMessage()); |
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36 } |
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37 |
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38 private void redirectFailure(HttpServletResponse resp, String path, |
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39 String message) throws IOException { |
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40 resp.sendRedirect(path + "/" + LOGIN_PAGE + "?error=" + message); |
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41 } |
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42 |
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43 private void redirectSuccess(HttpServletResponse resp, String path, |
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44 String uri) throws IOException { |
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45 if (uri == null) { |
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46 String redirecturl = getServletContext().getInitParameter("redirect-url"); |
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47 if (redirecturl == null) { |
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48 redirecturl = FLYS_PAGE; |
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49 } |
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50 uri = "/" + redirecturl; |
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51 } |
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52 resp.sendRedirect(uri); |
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53 } |
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54 |
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55 @Override |
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56 protected void doGet(HttpServletRequest req, HttpServletResponse resp) |
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57 throws ServletException, IOException { |
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58 logger.debug("Processing get request"); |
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59 this.redirectFailure(resp, req.getContextPath()); |
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60 } |
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61 |
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62 @Override |
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63 protected void doPost(HttpServletRequest req, HttpServletResponse resp) |
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64 throws ServletException, IOException |
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66 String encoding = req.getCharacterEncoding(); |
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67 String username = req.getParameter("username"); |
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68 String password = req.getParameter("password"); |
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69 |
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70 logger.debug("Processing post request"); |
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71 |
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72 if (username == null || password == null) { |
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73 logger.debug("No username or password provided"); |
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74 this.redirectFailure(resp, req.getContextPath()); |
3696 | 75 return; |
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76 } |
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77 |
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78 try { |
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79 Authentication aresp = this.auth(username, password, encoding); |
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80 if (aresp == null || !aresp.isSuccess()) { |
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82 this.redirectFailure(resp, req.getContextPath()); |
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83 return; |
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84 } |
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85 User user = aresp.getUser(); |
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86 |
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87 String url = getServletContext().getInitParameter("server-url"); |
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88 UserClient client = new UserClient(url); |
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89 if (!client.userExists(user)) { |
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90 logger.debug("Creating db user"); |
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91 if (!client.createUser(user)) { |
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92 this.redirectFailure(resp, req.getContextPath(), |
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93 "Could not create new user"); |
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94 return; |
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95 } |
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96 } |
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97 |
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98 HttpSession session = req.getSession(); |
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99 session.setAttribute("user", user); |
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100 |
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101 String uri = (String)session.getAttribute("requesturi"); |
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102 |
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103 this.redirectSuccess(resp, req.getContextPath(), uri); |
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104 } |
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105 catch(AuthenticationException e) { |
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106 logger.error(e, e); |
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107 this.redirectFailure(resp, req.getContextPath(), e); |
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108 } |
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109 } |
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110 |
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111 private Authentication auth(String username, String password, String encoding) |
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112 throws AuthenticationException, IOException |
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114 ServletContext sc = this.getServletContext(); |
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Refactor Authentication to allow to pass the Freatures to the user class
Bjoern Ricks <bjoern.ricks@intevation.de>
parents:
2984
diff
changeset
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115 Features features = (Features)sc.getAttribute(Features.CONTEXT_ATTRIBUTE); |
71ba3cf3ec5e
Refactor Authentication to allow to pass the Freatures to the user class
Bjoern Ricks <bjoern.ricks@intevation.de>
parents:
2984
diff
changeset
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116 String auth = sc.getInitParameter("authentication"); |
4451
e2d8f344491e
Use static variable for login page name in LoginServlet
Björn Ricks <bjoern.ricks@intevation.de>
parents:
4450
diff
changeset
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117 return AuthenticationFactory.getInstance(auth).auth(username, password, |
e2d8f344491e
Use static variable for login page name in LoginServlet
Björn Ricks <bjoern.ricks@intevation.de>
parents:
4450
diff
changeset
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118 encoding, features); |
2950
192eddbbd4cf
Implement a login page to be able to authenticate a user
Bjoern Ricks <bjoern.ricks@intevation.de>
parents:
diff
changeset
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119 } |
192eddbbd4cf
Implement a login page to be able to authenticate a user
Bjoern Ricks <bjoern.ricks@intevation.de>
parents:
diff
changeset
|
120 } |