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.io.BufferedReader;
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7 | import java.io.DataOutputStream;
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8 | import java.io.IOException;
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9 | import java.io.InputStream;
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10 | import java.io.InputStreamReader;
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11 | import java.io.UnsupportedEncodingException;
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12 | import java.lang.reflect.Field;
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13 | import java.net.HttpURLConnection;
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14 | import java.net.MalformedURLException;
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15 | import java.net.URL;
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16 | import java.net.URLEncoder;
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17 | import java.nio.charset.StandardCharsets;
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18 | import java.util.HashMap;
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19 | import java.util.Iterator;
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20 | import java.util.List;
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21 | import java.util.Map;
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22 | import java.util.Map.Entry;
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23 | import java.util.regex.Matcher;
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24 | import java.util.regex.Pattern;
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25 |
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26 | import oauth.signpost.OAuth;
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27 | import oauth.signpost.OAuthConsumer;
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28 | import oauth.signpost.OAuthProvider;
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29 | import oauth.signpost.basic.DefaultOAuthProvider;
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30 | import oauth.signpost.exception.OAuthException;
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31 |
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32 | import org.openstreetmap.josm.Main;
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33 | import org.openstreetmap.josm.data.oauth.OAuthParameters;
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34 | import org.openstreetmap.josm.data.oauth.OAuthToken;
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35 | import org.openstreetmap.josm.data.oauth.OsmPrivileges;
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36 | import org.openstreetmap.josm.gui.progress.NullProgressMonitor;
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37 | import org.openstreetmap.josm.gui.progress.ProgressMonitor;
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38 | import org.openstreetmap.josm.io.OsmTransferCanceledException;
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39 | import org.openstreetmap.josm.tools.CheckParameterUtil;
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40 | import org.openstreetmap.josm.tools.Utils;
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41 |
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42 | /**
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43 | * An OAuth 1.0 authorization client.
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44 | * @since 2746
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45 | */
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46 | public class OsmOAuthAuthorizationClient {
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47 | private final OAuthParameters oauthProviderParameters;
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48 | private final OAuthConsumer consumer;
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49 | private final OAuthProvider provider;
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50 | private boolean canceled;
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51 | private HttpURLConnection connection;
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52 |
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53 | private static class SessionId {
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54 | private String id;
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55 | private String token;
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56 | private String userName;
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57 | }
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58 |
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59 | /**
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60 | * Creates a new authorisation client with default OAuth parameters
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61 | *
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62 | */
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63 | public OsmOAuthAuthorizationClient() {
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64 | oauthProviderParameters = OAuthParameters.createDefault(Main.pref.get("osm-server.url"));
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65 | consumer = oauthProviderParameters.buildConsumer();
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66 | provider = oauthProviderParameters.buildProvider(consumer);
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67 | }
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68 |
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69 | /**
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70 | * Creates a new authorisation client with the parameters <code>parameters</code>.
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71 | *
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72 | * @param parameters the OAuth parameters. Must not be null.
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73 | * @throws IllegalArgumentException if parameters is null
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74 | */
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75 | public OsmOAuthAuthorizationClient(OAuthParameters parameters) throws IllegalArgumentException {
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76 | CheckParameterUtil.ensureParameterNotNull(parameters, "parameters");
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77 | oauthProviderParameters = new OAuthParameters(parameters);
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78 | consumer = oauthProviderParameters.buildConsumer();
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79 | provider = oauthProviderParameters.buildProvider(consumer);
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80 | }
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81 |
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82 | /**
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83 | * Creates a new authorisation client with the parameters <code>parameters</code>
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84 | * and an already known Request Token.
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85 | *
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86 | * @param parameters the OAuth parameters. Must not be null.
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87 | * @param requestToken the request token. Must not be null.
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88 | * @throws IllegalArgumentException if parameters is null
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89 | * @throws IllegalArgumentException if requestToken is null
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90 | */
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91 | public OsmOAuthAuthorizationClient(OAuthParameters parameters, OAuthToken requestToken) throws IllegalArgumentException {
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92 | CheckParameterUtil.ensureParameterNotNull(parameters, "parameters");
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93 | oauthProviderParameters = new OAuthParameters(parameters);
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94 | consumer = oauthProviderParameters.buildConsumer();
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95 | provider = oauthProviderParameters.buildProvider(consumer);
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96 | consumer.setTokenWithSecret(requestToken.getKey(), requestToken.getSecret());
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97 | }
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98 |
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99 | /**
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100 | * Cancels the current OAuth operation.
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101 | */
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102 | public void cancel() {
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103 | DefaultOAuthProvider p = (DefaultOAuthProvider)provider;
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104 | canceled = true;
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105 | if (p != null) {
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106 | try {
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107 | Field f = p.getClass().getDeclaredField("connection");
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108 | f.setAccessible(true);
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109 | HttpURLConnection con = (HttpURLConnection)f.get(p);
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110 | if (con != null) {
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111 | con.disconnect();
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112 | }
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113 | } catch (NoSuchFieldException | SecurityException | IllegalAccessException e) {
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114 | Main.error(e);
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115 | Main.warn(tr("Failed to cancel running OAuth operation"));
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116 | }
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117 | }
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118 | synchronized(this) {
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119 | if (connection != null) {
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120 | connection.disconnect();
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121 | }
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122 | }
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123 | }
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124 |
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125 | /**
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126 | * Submits a request for a Request Token to the Request Token Endpoint Url of the OAuth Service
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127 | * Provider and replies the request token.
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128 | *
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129 | * @param monitor a progress monitor. Defaults to {@link NullProgressMonitor#INSTANCE} if null
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130 | * @return the OAuth Request Token
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131 | * @throws OsmOAuthAuthorizationException if something goes wrong when retrieving the request token
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132 | * @throws OsmTransferCanceledException if the user canceled the request
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133 | */
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134 | public OAuthToken getRequestToken(ProgressMonitor monitor) throws OsmOAuthAuthorizationException, OsmTransferCanceledException {
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135 | if (monitor == null) {
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136 | monitor = NullProgressMonitor.INSTANCE;
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137 | }
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138 | try {
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139 | monitor.beginTask("");
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140 | monitor.indeterminateSubTask(tr("Retrieving OAuth Request Token from ''{0}''", oauthProviderParameters.getRequestTokenUrl()));
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141 | provider.retrieveRequestToken(consumer, "");
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142 | return OAuthToken.createToken(consumer);
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143 | } catch(OAuthException e){
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144 | if (canceled)
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145 | throw new OsmTransferCanceledException(e);
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146 | throw new OsmOAuthAuthorizationException(e);
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147 | } finally {
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148 | monitor.finishTask();
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149 | }
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150 | }
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151 |
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152 | /**
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153 | * Submits a request for an Access Token to the Access Token Endpoint Url of the OAuth Service
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154 | * Provider and replies the request token.
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155 | *
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156 | * You must have requested a Request Token using {@link #getRequestToken(ProgressMonitor)} first.
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157 | *
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158 | * @param monitor a progress monitor. Defaults to {@link NullProgressMonitor#INSTANCE} if null
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159 | * @return the OAuth Access Token
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160 | * @throws OsmOAuthAuthorizationException if something goes wrong when retrieving the request token
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161 | * @throws OsmTransferCanceledException if the user canceled the request
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162 | * @see #getRequestToken(ProgressMonitor)
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163 | */
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164 | public OAuthToken getAccessToken(ProgressMonitor monitor) throws OsmOAuthAuthorizationException, OsmTransferCanceledException {
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165 | if (monitor == null) {
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166 | monitor = NullProgressMonitor.INSTANCE;
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167 | }
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168 | try {
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169 | monitor.beginTask("");
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170 | monitor.indeterminateSubTask(tr("Retrieving OAuth Access Token from ''{0}''", oauthProviderParameters.getAccessTokenUrl()));
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171 | provider.retrieveAccessToken(consumer, null);
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172 | return OAuthToken.createToken(consumer);
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173 | } catch(OAuthException e){
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174 | if (canceled)
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175 | throw new OsmTransferCanceledException(e);
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176 | throw new OsmOAuthAuthorizationException(e);
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177 | } finally {
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178 | monitor.finishTask();
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179 | }
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180 | }
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181 |
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182 | /**
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183 | * Builds the authorise URL for a given Request Token. Users can be redirected to this URL.
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184 | * There they can login to OSM and authorise the request.
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185 | *
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186 | * @param requestToken the request token
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187 | * @return the authorise URL for this request
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188 | */
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189 | public String getAuthoriseUrl(OAuthToken requestToken) {
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190 | StringBuilder sb = new StringBuilder();
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191 |
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192 | // OSM is an OAuth 1.0 provider and JOSM isn't a web app. We just add the oauth request token to
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193 | // the authorisation request, no callback parameter.
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194 | //
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195 | sb.append(oauthProviderParameters.getAuthoriseUrl()).append("?")
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196 | .append(OAuth.OAUTH_TOKEN).append("=").append(requestToken.getKey());
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197 | return sb.toString();
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198 | }
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199 |
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200 | protected String extractToken(HttpURLConnection connection) {
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201 | try (
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202 | InputStream is = connection.getInputStream();
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203 | BufferedReader r = new BufferedReader(new InputStreamReader(is, StandardCharsets.UTF_8))
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204 | ) {
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205 | String c;
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206 | Pattern p = Pattern.compile(".*authenticity_token.*value=\"([^\"]+)\".*");
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207 | while ((c = r.readLine()) != null) {
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208 | Matcher m = p.matcher(c);
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209 | if (m.find()) {
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210 | return m.group(1);
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211 | }
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212 | }
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213 | } catch (IOException e) {
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214 | Main.error(e);
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215 | return null;
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216 | }
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217 | return null;
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218 | }
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219 |
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220 | protected SessionId extractOsmSession(HttpURLConnection connection) {
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221 | List<String> setCookies = connection.getHeaderFields().get("Set-Cookie");
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222 | if (setCookies == null)
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223 | // no cookies set
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224 | return null;
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225 |
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226 | for (String setCookie: setCookies) {
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227 | String[] kvPairs = setCookie.split(";");
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228 | if (kvPairs == null || kvPairs.length == 0) {
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229 | continue;
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230 | }
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231 | for (String kvPair : kvPairs) {
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232 | kvPair = kvPair.trim();
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233 | String [] kv = kvPair.split("=");
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234 | if (kv == null || kv.length != 2) {
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235 | continue;
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236 | }
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237 | if ("_osm_session".equals(kv[0])) {
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238 | // osm session cookie found
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239 | String token = extractToken(connection);
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240 | if(token == null)
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241 | return null;
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242 | SessionId si = new SessionId();
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243 | si.id = kv[1];
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244 | si.token = token;
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245 | return si;
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246 | }
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247 | }
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248 | }
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249 | return null;
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250 | }
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251 |
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252 | protected String buildPostRequest(Map<String,String> parameters) throws OsmOAuthAuthorizationException {
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253 | try {
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254 | StringBuilder sb = new StringBuilder();
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255 |
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256 | for(Iterator<Entry<String,String>> it = parameters.entrySet().iterator(); it.hasNext();) {
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257 | Entry<String,String> entry = it.next();
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258 | String value = entry.getValue();
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259 | value = (value == null) ? "" : value;
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260 | sb.append(entry.getKey()).append("=").append(URLEncoder.encode(value, "UTF-8"));
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261 | if (it.hasNext()) {
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262 | sb.append("&");
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263 | }
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264 | }
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265 | return sb.toString();
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266 | } catch(UnsupportedEncodingException e) {
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267 | throw new OsmOAuthAuthorizationException(e);
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268 | }
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269 | }
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270 |
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271 | /**
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272 | * Derives the OSM login URL from the OAuth Authorization Website URL
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273 | *
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274 | * @return the OSM login URL
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275 | * @throws OsmOAuthAuthorizationException if something went wrong, in particular if the
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276 | * URLs are malformed
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277 | */
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278 | public String buildOsmLoginUrl() throws OsmOAuthAuthorizationException{
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279 | try {
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280 | URL autUrl = new URL(oauthProviderParameters.getAuthoriseUrl());
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281 | URL url = new URL(Main.pref.get("oauth.protocol", "https"), autUrl.getHost(), autUrl.getPort(), "/login");
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282 | return url.toString();
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283 | } catch(MalformedURLException e) {
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284 | throw new OsmOAuthAuthorizationException(e);
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285 | }
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286 | }
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287 |
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288 | /**
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289 | * Derives the OSM logout URL from the OAuth Authorization Website URL
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290 | *
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291 | * @return the OSM logout URL
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292 | * @throws OsmOAuthAuthorizationException if something went wrong, in particular if the
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293 | * URLs are malformed
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294 | */
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295 | protected String buildOsmLogoutUrl() throws OsmOAuthAuthorizationException{
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296 | try {
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297 | URL autUrl = new URL(oauthProviderParameters.getAuthoriseUrl());
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298 | URL url = new URL("http", autUrl.getHost(), autUrl.getPort(), "/logout");
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299 | return url.toString();
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300 | } catch(MalformedURLException e) {
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301 | throw new OsmOAuthAuthorizationException(e);
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302 | }
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303 | }
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304 |
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305 | /**
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306 | * Submits a request to the OSM website for a login form. The OSM website replies a session ID in
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307 | * a cookie.
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308 | *
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309 | * @return the session ID structure
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310 | * @throws OsmOAuthAuthorizationException if something went wrong
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311 | */
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312 | protected SessionId fetchOsmWebsiteSessionId() throws OsmOAuthAuthorizationException {
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313 | try {
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314 | StringBuilder sb = new StringBuilder();
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315 | sb.append(buildOsmLoginUrl()).append("?cookie_test=true");
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316 | URL url = new URL(sb.toString());
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317 | synchronized(this) {
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318 | connection = Utils.openHttpConnection(url);
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319 | }
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320 | connection.setRequestMethod("GET");
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321 | connection.setDoInput(true);
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322 | connection.setDoOutput(false);
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323 | connection.connect();
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324 | SessionId sessionId = extractOsmSession(connection);
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325 | if (sessionId == null)
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326 | throw new OsmOAuthAuthorizationException(tr("OSM website did not return a session cookie in response to ''{0}'',", url.toString()));
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327 | return sessionId;
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328 | } catch(IOException e) {
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329 | throw new OsmOAuthAuthorizationException(e);
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330 | } finally {
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331 | synchronized(this) {
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332 | connection = null;
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333 | }
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334 | }
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335 | }
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336 |
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337 | /**
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338 | * Submits a request to the OSM website for a OAuth form. The OSM website replies a session token in
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339 | * a hidden parameter.
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340 | *
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341 | * @throws OsmOAuthAuthorizationException if something went wrong
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342 | */
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343 | protected void fetchOAuthToken(SessionId sessionId, OAuthToken requestToken) throws OsmOAuthAuthorizationException {
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344 | try {
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345 | URL url = new URL(getAuthoriseUrl(requestToken));
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346 | synchronized(this) {
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347 | connection = Utils.openHttpConnection(url);
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348 | }
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349 | connection.setRequestMethod("GET");
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350 | connection.setDoInput(true);
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351 | connection.setDoOutput(false);
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352 | connection.setRequestProperty("Cookie", "_osm_session=" + sessionId.id + "; _osm_username=" + sessionId.userName);
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353 | connection.connect();
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354 | sessionId.token = extractToken(connection);
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355 | if (sessionId.token == null)
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356 | throw new OsmOAuthAuthorizationException(tr("OSM website did not return a session cookie in response to ''{0}'',", url.toString()));
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357 | } catch(IOException e) {
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358 | throw new OsmOAuthAuthorizationException(e);
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359 | } finally {
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360 | synchronized(this) {
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361 | connection = null;
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362 | }
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363 | }
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364 | }
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365 |
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366 | protected void authenticateOsmSession(SessionId sessionId, String userName, String password) throws OsmLoginFailedException {
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367 | try {
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368 | URL url = new URL(buildOsmLoginUrl());
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369 | synchronized(this) {
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370 | connection = Utils.openHttpConnection(url);
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371 | }
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372 | connection.setRequestMethod("POST");
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373 | connection.setDoInput(true);
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374 | connection.setDoOutput(true);
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375 | connection.setUseCaches(false);
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376 |
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377 | Map<String,String> parameters = new HashMap<>();
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378 | parameters.put("username", userName);
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379 | parameters.put("password", password);
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380 | parameters.put("referer", "/");
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381 | parameters.put("commit", "Login");
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382 | parameters.put("authenticity_token", sessionId.token);
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383 |
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384 | String request = buildPostRequest(parameters);
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385 |
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386 | connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
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387 | connection.setRequestProperty("Content-Length", Integer.toString(request.length()));
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388 | connection.setRequestProperty("Cookie", "_osm_session=" + sessionId.id);
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389 | // make sure we can catch 302 Moved Temporarily below
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390 | connection.setInstanceFollowRedirects(false);
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391 |
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392 | connection.connect();
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393 |
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394 | try (DataOutputStream dout = new DataOutputStream(connection.getOutputStream())) {
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395 | dout.writeBytes(request);
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396 | dout.flush();
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397 | }
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398 |
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399 | // after a successful login the OSM website sends a redirect to a follow up page. Everything
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400 | // else, including a 200 OK, is a failed login. A 200 OK is replied if the login form with
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401 | // an error page is sent to back to the user.
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402 | //
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403 | int retCode = connection.getResponseCode();
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404 | if (retCode != HttpURLConnection.HTTP_MOVED_TEMP)
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405 | throw new OsmOAuthAuthorizationException(tr("Failed to authenticate user ''{0}'' with password ''***'' as OAuth user", userName));
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406 | } catch(OsmOAuthAuthorizationException e) {
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407 | throw new OsmLoginFailedException(e.getCause());
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408 | } catch(IOException e) {
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409 | throw new OsmLoginFailedException(e);
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410 | } finally {
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411 | synchronized(this) {
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412 | connection = null;
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413 | }
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414 | }
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415 | }
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416 |
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417 | protected void logoutOsmSession(SessionId sessionId) throws OsmOAuthAuthorizationException {
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418 | try {
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419 | URL url = new URL(buildOsmLogoutUrl());
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420 | synchronized(this) {
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421 | connection = Utils.openHttpConnection(url);
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422 | }
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423 | connection.setRequestMethod("GET");
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424 | connection.setDoInput(true);
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425 | connection.setDoOutput(false);
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426 | connection.connect();
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427 | } catch(IOException e) {
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428 | throw new OsmOAuthAuthorizationException(e);
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429 | } finally {
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430 | synchronized(this) {
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431 | connection = null;
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432 | }
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433 | }
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434 | }
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435 |
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436 | protected void sendAuthorisationRequest(SessionId sessionId, OAuthToken requestToken, OsmPrivileges privileges) throws OsmOAuthAuthorizationException {
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437 | Map<String, String> parameters = new HashMap<>();
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438 | fetchOAuthToken(sessionId, requestToken);
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439 | parameters.put("oauth_token", requestToken.getKey());
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440 | parameters.put("oauth_callback", "");
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441 | parameters.put("authenticity_token", sessionId.token);
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442 | if (privileges.isAllowWriteApi()) {
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443 | parameters.put("allow_write_api", "yes");
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444 | }
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445 | if (privileges.isAllowWriteGpx()) {
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446 | parameters.put("allow_write_gpx", "yes");
|
---|
447 | }
|
---|
448 | if (privileges.isAllowReadGpx()) {
|
---|
449 | parameters.put("allow_read_gpx", "yes");
|
---|
450 | }
|
---|
451 | if (privileges.isAllowWritePrefs()) {
|
---|
452 | parameters.put("allow_write_prefs", "yes");
|
---|
453 | }
|
---|
454 | if (privileges.isAllowReadPrefs()) {
|
---|
455 | parameters.put("allow_read_prefs", "yes");
|
---|
456 | }
|
---|
457 | if (privileges.isAllowModifyNotes()) {
|
---|
458 | parameters.put("allow_write_notes", "yes");
|
---|
459 | }
|
---|
460 |
|
---|
461 | parameters.put("commit", "Save changes");
|
---|
462 |
|
---|
463 | String request = buildPostRequest(parameters);
|
---|
464 | try {
|
---|
465 | URL url = new URL(oauthProviderParameters.getAuthoriseUrl());
|
---|
466 | synchronized(this) {
|
---|
467 | connection = Utils.openHttpConnection(url);
|
---|
468 | }
|
---|
469 | connection.setRequestMethod("POST");
|
---|
470 | connection.setDoInput(true);
|
---|
471 | connection.setDoOutput(true);
|
---|
472 | connection.setUseCaches(false);
|
---|
473 | connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
|
---|
474 | connection.setRequestProperty("Content-Length", Integer.toString(request.length()));
|
---|
475 | connection.setRequestProperty("Cookie", "_osm_session=" + sessionId.id + "; _osm_username=" + sessionId.userName);
|
---|
476 | connection.setInstanceFollowRedirects(false);
|
---|
477 |
|
---|
478 | connection.connect();
|
---|
479 |
|
---|
480 | try (DataOutputStream dout = new DataOutputStream(connection.getOutputStream())) {
|
---|
481 | dout.writeBytes(request);
|
---|
482 | dout.flush();
|
---|
483 | }
|
---|
484 |
|
---|
485 | int retCode = connection.getResponseCode();
|
---|
486 | if (retCode != HttpURLConnection.HTTP_OK)
|
---|
487 | throw new OsmOAuthAuthorizationException(tr("Failed to authorize OAuth request ''{0}''", requestToken.getKey()));
|
---|
488 | } catch (IOException e) {
|
---|
489 | throw new OsmOAuthAuthorizationException(e);
|
---|
490 | } finally {
|
---|
491 | synchronized(this) {
|
---|
492 | connection = null;
|
---|
493 | }
|
---|
494 | }
|
---|
495 | }
|
---|
496 |
|
---|
497 | /**
|
---|
498 | * Automatically authorises a request token for a set of privileges.
|
---|
499 | *
|
---|
500 | * @param requestToken the request token. Must not be null.
|
---|
501 | * @param osmUserName the OSM user name. Must not be null.
|
---|
502 | * @param osmPassword the OSM password. Must not be null.
|
---|
503 | * @param privileges the set of privileges. Must not be null.
|
---|
504 | * @param monitor a progress monitor. Defaults to {@link NullProgressMonitor#INSTANCE} if null
|
---|
505 | * @throws IllegalArgumentException if requestToken is null
|
---|
506 | * @throws IllegalArgumentException if osmUserName is null
|
---|
507 | * @throws IllegalArgumentException if osmPassword is null
|
---|
508 | * @throws IllegalArgumentException if privileges is null
|
---|
509 | * @throws OsmOAuthAuthorizationException if the authorisation fails
|
---|
510 | * @throws OsmTransferCanceledException if the task is canceled by the user
|
---|
511 | */
|
---|
512 | public void authorise(OAuthToken requestToken, String osmUserName, String osmPassword, OsmPrivileges privileges, ProgressMonitor monitor) throws IllegalArgumentException, OsmOAuthAuthorizationException, OsmTransferCanceledException{
|
---|
513 | CheckParameterUtil.ensureParameterNotNull(requestToken, "requestToken");
|
---|
514 | CheckParameterUtil.ensureParameterNotNull(osmUserName, "osmUserName");
|
---|
515 | CheckParameterUtil.ensureParameterNotNull(osmPassword, "osmPassword");
|
---|
516 | CheckParameterUtil.ensureParameterNotNull(privileges, "privileges");
|
---|
517 |
|
---|
518 | if (monitor == null) {
|
---|
519 | monitor = NullProgressMonitor.INSTANCE;
|
---|
520 | }
|
---|
521 | try {
|
---|
522 | monitor.beginTask(tr("Authorizing OAuth Request token ''{0}'' at the OSM website ...", requestToken.getKey()));
|
---|
523 | monitor.setTicksCount(4);
|
---|
524 | monitor.indeterminateSubTask(tr("Initializing a session at the OSM website..."));
|
---|
525 | SessionId sessionId = fetchOsmWebsiteSessionId();
|
---|
526 | sessionId.userName = osmUserName;
|
---|
527 | if (canceled)
|
---|
528 | throw new OsmTransferCanceledException();
|
---|
529 | monitor.worked(1);
|
---|
530 |
|
---|
531 | monitor.indeterminateSubTask(tr("Authenticating the session for user ''{0}''...", osmUserName));
|
---|
532 | authenticateOsmSession(sessionId, osmUserName, osmPassword);
|
---|
533 | if (canceled)
|
---|
534 | throw new OsmTransferCanceledException();
|
---|
535 | monitor.worked(1);
|
---|
536 |
|
---|
537 | monitor.indeterminateSubTask(tr("Authorizing request token ''{0}''...", requestToken.getKey()));
|
---|
538 | sendAuthorisationRequest(sessionId, requestToken, privileges);
|
---|
539 | if (canceled)
|
---|
540 | throw new OsmTransferCanceledException();
|
---|
541 | monitor.worked(1);
|
---|
542 |
|
---|
543 | monitor.indeterminateSubTask(tr("Logging out session ''{0}''...", sessionId));
|
---|
544 | logoutOsmSession(sessionId);
|
---|
545 | if (canceled)
|
---|
546 | throw new OsmTransferCanceledException();
|
---|
547 | monitor.worked(1);
|
---|
548 | } catch(OsmOAuthAuthorizationException e) {
|
---|
549 | if (canceled)
|
---|
550 | throw new OsmTransferCanceledException(e);
|
---|
551 | throw e;
|
---|
552 | } finally {
|
---|
553 | monitor.finishTask();
|
---|
554 | }
|
---|
555 | }
|
---|
556 | }
|
---|