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annotate src/org/tmatesoft/hg/internal/remote/BasicAuthenticator.java @ 709:497e697636fc

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author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Wed, 21 Aug 2013 16:23:27 +0200
parents a483b2b68a2e
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rev   line source
699
a483b2b68a2e Provisional APIs and respective implementation for http, https and ssh remote repositories
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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1 /*
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2 * Copyright (c) 2013 TMate Software Ltd
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3 *
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4 * This program is free software; you can redistribute it and/or modify
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5 * it under the terms of the GNU General Public License as published by
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6 * the Free Software Foundation; version 2 of the License.
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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7 *
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8 * This program is distributed in the hope that it will be useful,
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9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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11 * GNU General Public License for more details.
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12 *
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13 * For information on how to redistribute this software under
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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14 * the terms of a license other than GNU General Public License
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15 * contact TMate Software at support@hg4j.com
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16 */
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17 package org.tmatesoft.hg.internal.remote;
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18
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19 import java.io.File;
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20 import java.io.FileInputStream;
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21 import java.io.IOException;
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22
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23 import org.tmatesoft.hg.auth.HgAuthFailedException;
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24 import org.tmatesoft.hg.auth.HgAuthMethod;
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25 import org.tmatesoft.hg.auth.HgAuthenticator;
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26 import org.tmatesoft.hg.repo.HgRemoteRepository.RemoteDescriptor;
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27 import org.tmatesoft.hg.util.LogFacility;
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28 import org.tmatesoft.hg.util.LogFacility.Severity;
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29
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30 /**
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31 *
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32 * @author Artem Tikhomirov
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33 * @author TMate Software Ltd.
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34 */
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35 public class BasicAuthenticator implements HgAuthenticator {
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36 private final LogFacility log;
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37
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38 public BasicAuthenticator(LogFacility logFacility) {
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39 log = logFacility;
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40 }
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41
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42 public void authenticate(RemoteDescriptor rd, HgAuthMethod authMethod) throws HgAuthFailedException {
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43 if (authMethod.supportsPublicKey()) {
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44 if (tryPlatformDefaultKeyLocations(rd, authMethod)) {
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45 return;
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46 }
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47 }
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48 authMethod.noCredentials();
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49 }
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50
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51 // return true is successfully aithenticated
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52 protected boolean tryPlatformDefaultKeyLocations(RemoteDescriptor rd, HgAuthMethod authMethod) {
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53 final String userHome = System.getProperty("user.home");
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54 File sshDir = new File(userHome, ".ssh");
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55 if (!sshDir.isDirectory()) {
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56 return false;
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57 }
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58 final String username = System.getProperty("user.name");
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59 for (String fn : new String[] { "id_rsa", "id_dsa", "identity"}) {
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60 File id = new File(sshDir, fn);
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61 if (!id.canRead()) {
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62 continue;
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63 }
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64 try {
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65 FileInputStream fis = new FileInputStream(id);
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66 authMethod.withPublicKey(username, fis, null);
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67 fis.close();
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68 return true;
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69 } catch (IOException ex) {
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70 log.dump(getClass(), Severity.Warn, ex, String.format("Attempting default ssh identity key locations: %s", id));
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71 // ignore
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72 } catch (HgAuthFailedException ex) {
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73 log.dump(getClass(), Severity.Debug, ex, String.format("Attempting default ssh identity key locations: %s", id));
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74 // ignore
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75 }
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76 }
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77 return false;
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78 }
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79 }