1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.gui.oauth;
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3 |
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4 | import static org.openstreetmap.josm.tools.I18n.tr;
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5 |
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6 | import java.awt.Component;
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7 | import java.io.IOException;
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8 |
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9 | import javax.swing.JOptionPane;
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10 |
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11 | import org.openstreetmap.josm.Main;
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12 | import org.openstreetmap.josm.data.oauth.OAuthParameters;
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13 | import org.openstreetmap.josm.data.oauth.OAuthToken;
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14 | import org.openstreetmap.josm.gui.HelpAwareOptionPane;
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15 | import org.openstreetmap.josm.gui.PleaseWaitRunnable;
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16 | import org.openstreetmap.josm.gui.help.HelpUtil;
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17 | import org.openstreetmap.josm.io.OsmTransferCanceledException;
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18 | import org.openstreetmap.josm.io.OsmTransferException;
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19 | import org.openstreetmap.josm.tools.CheckParameterUtil;
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20 | import org.xml.sax.SAXException;
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21 |
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22 | /**
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23 | * Asynchronous task for retrieving an Access Token.
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24 | *
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25 | */
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26 | public class RetrieveAccessTokenTask extends PleaseWaitRunnable {
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27 |
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28 | private boolean canceled;
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29 | private OAuthToken accessToken;
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30 | private OAuthParameters parameters;
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31 | private OsmOAuthAuthorizationClient client;
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32 | private OAuthToken requestToken;
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33 | private Component parent;
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34 |
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35 | /**
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36 | * Creates the task
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37 | *
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38 | * @param parent the parent component relative to which the {@link PleaseWaitRunnable}-Dialog
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39 | * is displayed
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40 | * @param parameters the OAuth parameters. Must not be null.
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41 | * @param requestToken the request token for which an Access Token is retrieved. Must not be null.
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42 | * @throws IllegalArgumentException thrown if parameters is null.
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43 | * @throws IllegalArgumentException thrown if requestToken is null.
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44 | */
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45 | public RetrieveAccessTokenTask(Component parent, OAuthParameters parameters, OAuthToken requestToken) {
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46 | super(parent, tr("Retrieving OAuth Access Token..."), false /* don't ignore exceptions */);
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47 | CheckParameterUtil.ensureParameterNotNull(parameters, "parameters");
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48 | CheckParameterUtil.ensureParameterNotNull(requestToken, "requestToken");
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49 | this.parameters = parameters;
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50 | this.requestToken = requestToken;
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51 | this.parent = parent;
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52 | }
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53 |
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54 | @Override
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55 | protected void cancel() {
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56 | canceled = true;
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57 | synchronized(this) {
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58 | if (client != null) {
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59 | client.cancel();
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60 | }
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61 | }
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62 | }
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63 |
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64 | @Override
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65 | protected void finish() { /* not used in this task */}
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66 |
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67 | protected void alertRetrievingAccessTokenFailed(OsmOAuthAuthorizationException e) {
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68 | HelpAwareOptionPane.showOptionDialog(
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69 | parent,
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70 | tr(
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71 | "<html>Retrieving an OAuth Access Token from ''{0}'' failed.</html>",
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72 | parameters.getAccessTokenUrl()
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73 | ),
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74 | tr("Request Failed"),
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75 | JOptionPane.ERROR_MESSAGE,
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76 | HelpUtil.ht("/OAuth#NotAuthorizedException")
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77 | );
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78 | }
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79 |
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80 | @Override
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81 | protected void realRun() throws SAXException, IOException, OsmTransferException {
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82 | try {
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83 | synchronized(this) {
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84 | client = new OsmOAuthAuthorizationClient(parameters, requestToken);
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85 | }
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86 | accessToken = client.getAccessToken(getProgressMonitor().createSubTaskMonitor(0, false));
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87 | } catch(OsmTransferCanceledException e) {
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88 | return;
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89 | } catch (OsmOAuthAuthorizationException e) {
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90 | Main.error(e);
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91 | alertRetrievingAccessTokenFailed(e);
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92 | accessToken = null;
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93 | } finally {
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94 | synchronized(this) {
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95 | client = null;
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96 | }
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97 | }
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98 | }
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99 |
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100 | /**
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101 | * Replies true if the task was canceled.
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102 | *
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103 | * @return {@code true} if user aborted operation
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104 | */
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105 | public boolean isCanceled() {
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106 | return canceled;
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107 | }
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108 |
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109 | /**
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110 | * Replies the retrieved Access Token. null, if something went wrong.
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111 | *
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112 | * @return the retrieved Access Token
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113 | */
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114 | public OAuthToken getAccessToken() {
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115 | return accessToken;
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116 | }
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117 | }
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