Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/server/UserServiceImpl.java @ 3497:88feb3347aa5

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Implement a ProxyServlet Implement a ProxyServlet to be able to restrict the access to the mapserver too. All queries to the provided map services should go throught this new ProxyServlet. Currently the ProxyServlet can only handle HTTP GET requests. flys-client/trunk@5221 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Bjoern Ricks <bjoern.ricks@intevation.de>
date Thu, 16 Aug 2012 14:42:36 +0000
parents bc06a671ef60
children 3a8884e06aaa
rev   line source
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1 package de.intevation.flys.client.server;
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3 import javax.xml.xpath.XPathConstants;
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4
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5 import org.w3c.dom.Document;
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6 import org.w3c.dom.Node;
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7 import org.w3c.dom.NodeList;
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8
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9 import org.apache.log4j.Logger;
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11 import com.google.gwt.user.server.rpc.RemoteServiceServlet;
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12
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13 import de.intevation.artifacts.common.ArtifactNamespaceContext;
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14 import de.intevation.artifacts.common.utils.XMLUtils;
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15
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16 import de.intevation.artifacts.httpclient.exceptions.ConnectionException;
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17 import de.intevation.artifacts.httpclient.http.HttpClient;
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18 import de.intevation.artifacts.httpclient.http.HttpClientImpl;
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20 import de.intevation.flys.client.client.services.UserService;
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21 import de.intevation.flys.client.shared.exceptions.AuthenticationException;
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22 import de.intevation.flys.client.shared.model.DefaultUser;
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23 import de.intevation.flys.client.shared.model.User;
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26 /**
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27 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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28 */
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29 public class UserServiceImpl
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30 extends RemoteServiceServlet
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31 implements UserService
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32 {
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33 private static final Logger logger = Logger.getLogger(UserServiceImpl.class);
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34
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36 public static final String ERROR_NO_SUCH_USER = "error_no_such_user";
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38 public User getCurrentUser(String locale)
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39 throws AuthenticationException
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40 {
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41 String url = getServletContext().getInitParameter("server-url");
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42
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43 HttpClient client = new HttpClientImpl(url);
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45 try {
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46 Document users = (Document) client.listUsers();
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48 String XPATH_USERS = "/art:users/art:user";
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50 NodeList theUsers = (NodeList) XMLUtils.xpath(
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51 users,
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52 XPATH_USERS,
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53 XPathConstants.NODESET,
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54 ArtifactNamespaceContext.INSTANCE);
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56 if (theUsers != null && theUsers.getLength() > 0) {
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57 Node user = theUsers.item(0);
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58
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59 String uuid = XMLUtils.xpathString(
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60 user, "@art:uuid", ArtifactNamespaceContext.INSTANCE);
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61 String name = XMLUtils.xpathString(
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62 user, "@art:name", ArtifactNamespaceContext.INSTANCE);
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63
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64 return new DefaultUser(uuid, name);
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65 }
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66 }
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67 catch (ConnectionException ce) {
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68 logger.error(ce, ce);
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69 }
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70
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71 logger.error("No users existing in the server.");
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72 throw new AuthenticationException(ERROR_NO_SUCH_USER);
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73 }
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74 }
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75 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org