| 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 a request token
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| 24 | */
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| 25 | public class RetrieveRequestTokenTask extends PleaseWaitRunnable {
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| 26 |
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| 27 | private boolean canceled;
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| 28 | private OAuthToken requestToken;
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| 29 | private final OAuthParameters parameters;
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| 30 | private OsmOAuthAuthorizationClient client;
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| 31 | private final Component parent;
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| 32 |
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| 33 | /**
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| 34 | * Creates the task
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| 35 | *
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| 36 | * @param parent the parent component relative to which the {@link PleaseWaitRunnable}-Dialog
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| 37 | * is displayed
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| 38 | * @param parameters the OAuth parameters. Must not be null.
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| 39 | * @throws IllegalArgumentException if parameters is null.
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| 40 | */
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| 41 | public RetrieveRequestTokenTask(Component parent, OAuthParameters parameters) {
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| 42 | super(parent, tr("Retrieving OAuth Request Token..."), false /* don't ignore exceptions */);
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| 43 | CheckParameterUtil.ensureParameterNotNull(parameters, "parameters");
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| 44 | this.parameters = parameters;
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| 45 | this.parent = parent;
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| 46 | }
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| 47 |
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| 48 | @Override
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| 49 | protected void cancel() {
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| 50 | canceled = true;
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| 51 | synchronized (this) {
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| 52 | if (client != null) {
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| 53 | client.cancel();
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| 54 | }
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| 55 | }
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| 56 | }
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| 57 |
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| 58 | @Override
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| 59 | protected void finish() { /* not used in this task */}
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| 60 |
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| 61 | protected void alertRetrievingRequestTokenFailed(OsmOAuthAuthorizationException e) {
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| 62 | HelpAwareOptionPane.showOptionDialog(
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| 63 | parent,
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| 64 | tr(
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| 65 | "<html>Retrieving an OAuth Request Token from ''{0}'' failed.</html>",
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| 66 | parameters.getRequestTokenUrl()
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| 67 | ),
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| 68 | tr("Request Failed"),
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| 69 | JOptionPane.ERROR_MESSAGE,
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| 70 | HelpUtil.ht("/OAuth#NotAuthorizedException")
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| 71 | );
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| 72 | }
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| 73 |
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| 74 | @Override
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| 75 | protected void realRun() throws SAXException, IOException, OsmTransferException {
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| 76 | try {
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| 77 | synchronized (this) {
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| 78 | client = new OsmOAuthAuthorizationClient(parameters);
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| 79 | }
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| 80 | requestToken = client.getRequestToken(getProgressMonitor().createSubTaskMonitor(0, false));
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| 81 | } catch (OsmTransferCanceledException e) {
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| 82 | return;
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| 83 | } catch (OsmOAuthAuthorizationException e) {
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| 84 | Main.error(e);
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| 85 | alertRetrievingRequestTokenFailed(e);
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| 86 | requestToken = null;
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| 87 | } finally {
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| 88 | synchronized (this) {
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| 89 | client = null;
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| 90 | }
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| 91 | }
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| 92 | }
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| 93 |
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| 94 | /**
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| 95 | * Replies true if the task was canceled
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| 96 | *
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| 97 | * @return true if the task was canceled
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| 98 | */
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| 99 | public boolean isCanceled() {
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| 100 | return canceled;
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| 101 | }
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| 102 |
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| 103 | /**
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| 104 | * Replies the request token. null, if something went wrong.
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| 105 | *
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| 106 | * @return the request token
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| 107 | */
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| 108 | public OAuthToken getRequestToken() {
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| 109 | return requestToken;
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| 110 | }
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| 111 | }
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