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.IOException;
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8 | import java.net.CookieHandler;
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9 | import java.net.HttpURLConnection;
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10 | import java.net.URISyntaxException;
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11 | import java.net.URL;
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12 | import java.nio.charset.StandardCharsets;
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13 | import java.util.Collections;
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14 | import java.util.HashMap;
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15 | import java.util.Iterator;
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16 | import java.util.List;
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17 | import java.util.Map;
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18 | import java.util.Map.Entry;
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19 | import java.util.regex.Matcher;
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20 | import java.util.regex.Pattern;
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21 |
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22 | import org.openstreetmap.josm.data.oauth.OAuthParameters;
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23 | import org.openstreetmap.josm.data.oauth.OAuthToken;
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24 | import org.openstreetmap.josm.data.oauth.OsmPrivileges;
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25 | import org.openstreetmap.josm.gui.progress.NullProgressMonitor;
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26 | import org.openstreetmap.josm.gui.progress.ProgressMonitor;
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27 | import org.openstreetmap.josm.io.OsmTransferCanceledException;
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28 | import org.openstreetmap.josm.tools.CheckParameterUtil;
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29 | import org.openstreetmap.josm.tools.HttpClient;
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30 | import org.openstreetmap.josm.tools.Logging;
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31 | import org.openstreetmap.josm.tools.Utils;
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32 |
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33 | import oauth.signpost.OAuth;
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34 | import oauth.signpost.OAuthConsumer;
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35 | import oauth.signpost.OAuthProvider;
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36 | import oauth.signpost.exception.OAuthException;
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37 |
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38 | /**
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39 | * An OAuth 1.0 authorization client.
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40 | * @since 2746
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41 | */
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42 | public class OsmOAuthAuthorizationClient {
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43 | private final OAuthParameters oauthProviderParameters;
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44 | private final OAuthConsumer consumer;
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45 | private final OAuthProvider provider;
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46 | private boolean canceled;
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47 | private HttpClient connection;
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48 |
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49 | protected static class SessionId {
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50 | protected String id;
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51 | protected String token;
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52 | protected String userName;
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53 | }
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54 |
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55 | /**
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56 | * Creates a new authorisation client with the parameters <code>parameters</code>.
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57 | *
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58 | * @param parameters the OAuth parameters. Must not be null.
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59 | * @throws IllegalArgumentException if parameters is null
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60 | */
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61 | public OsmOAuthAuthorizationClient(OAuthParameters parameters) {
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62 | CheckParameterUtil.ensureParameterNotNull(parameters, "parameters");
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63 | oauthProviderParameters = new OAuthParameters(parameters);
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64 | consumer = oauthProviderParameters.buildConsumer();
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65 | provider = oauthProviderParameters.buildProvider(consumer);
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66 | }
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67 |
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68 | /**
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69 | * Creates a new authorisation client with the parameters <code>parameters</code>
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70 | * and an already known Request Token.
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71 | *
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72 | * @param parameters the OAuth parameters. Must not be null.
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73 | * @param requestToken the request token. Must not be null.
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74 | * @throws IllegalArgumentException if parameters is null
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75 | * @throws IllegalArgumentException if requestToken is null
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76 | */
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77 | public OsmOAuthAuthorizationClient(OAuthParameters parameters, OAuthToken requestToken) {
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78 | CheckParameterUtil.ensureParameterNotNull(parameters, "parameters");
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79 | oauthProviderParameters = new OAuthParameters(parameters);
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80 | consumer = oauthProviderParameters.buildConsumer();
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81 | provider = oauthProviderParameters.buildProvider(consumer);
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82 | consumer.setTokenWithSecret(requestToken.getKey(), requestToken.getSecret());
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83 | }
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84 |
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85 | /**
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86 | * Cancels the current OAuth operation.
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87 | */
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88 | public void cancel() {
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89 | canceled = true;
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90 | synchronized (this) {
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91 | if (connection != null) {
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92 | connection.disconnect();
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93 | }
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94 | }
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95 | }
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96 |
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97 | /**
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98 | * Submits a request for a Request Token to the Request Token Endpoint Url of the OAuth Service
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99 | * Provider and replies the request token.
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100 | *
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101 | * @param monitor a progress monitor. Defaults to {@link NullProgressMonitor#INSTANCE} if null
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102 | * @return the OAuth Request Token
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103 | * @throws OsmOAuthAuthorizationException if something goes wrong when retrieving the request token
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104 | * @throws OsmTransferCanceledException if the user canceled the request
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105 | */
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106 | public OAuthToken getRequestToken(ProgressMonitor monitor) throws OsmOAuthAuthorizationException, OsmTransferCanceledException {
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107 | if (monitor == null) {
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108 | monitor = NullProgressMonitor.INSTANCE;
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109 | }
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110 | try {
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111 | monitor.beginTask("");
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112 | monitor.indeterminateSubTask(tr("Retrieving OAuth Request Token from ''{0}''", oauthProviderParameters.getRequestTokenUrl()));
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113 | provider.retrieveRequestToken(consumer, "");
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114 | return OAuthToken.createToken(consumer);
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115 | } catch (OAuthException e) {
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116 | if (canceled)
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117 | throw new OsmTransferCanceledException(e);
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118 | throw new OsmOAuthAuthorizationException(e);
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119 | } finally {
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120 | monitor.finishTask();
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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 | * Submits a request for an Access Token to the Access Token Endpoint Url of the OAuth Service
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126 | * Provider and replies the request token.
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127 | *
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128 | * You must have requested a Request Token using {@link #getRequestToken(ProgressMonitor)} first.
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129 | *
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130 | * @param monitor a progress monitor. Defaults to {@link NullProgressMonitor#INSTANCE} if null
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131 | * @return the OAuth Access Token
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132 | * @throws OsmOAuthAuthorizationException if something goes wrong when retrieving the request token
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133 | * @throws OsmTransferCanceledException if the user canceled the request
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134 | * @see #getRequestToken(ProgressMonitor)
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135 | */
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136 | public OAuthToken getAccessToken(ProgressMonitor monitor) throws OsmOAuthAuthorizationException, OsmTransferCanceledException {
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137 | if (monitor == null) {
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138 | monitor = NullProgressMonitor.INSTANCE;
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139 | }
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140 | try {
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141 | monitor.beginTask("");
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142 | monitor.indeterminateSubTask(tr("Retrieving OAuth Access Token from ''{0}''", oauthProviderParameters.getAccessTokenUrl()));
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143 | provider.retrieveAccessToken(consumer, null);
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144 | return OAuthToken.createToken(consumer);
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145 | } catch (OAuthException e) {
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146 | if (canceled)
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147 | throw new OsmTransferCanceledException(e);
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148 | throw new OsmOAuthAuthorizationException(e);
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149 | } finally {
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150 | monitor.finishTask();
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151 | }
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152 | }
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153 |
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154 | /**
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155 | * Builds the authorise URL for a given Request Token. Users can be redirected to this URL.
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156 | * There they can login to OSM and authorise the request.
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157 | *
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158 | * @param requestToken the request token
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159 | * @return the authorise URL for this request
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160 | */
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161 | public String getAuthoriseUrl(OAuthToken requestToken) {
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162 | StringBuilder sb = new StringBuilder(32);
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163 |
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164 | // 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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165 | // the authorisation request, no callback parameter.
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166 | //
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167 | sb.append(oauthProviderParameters.getAuthoriseUrl()).append('?'+OAuth.OAUTH_TOKEN+'=').append(requestToken.getKey());
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168 | return sb.toString();
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169 | }
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170 |
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171 | protected String extractToken() {
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172 | try (BufferedReader r = connection.getResponse().getContentReader()) {
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173 | String c;
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174 | Pattern p = Pattern.compile(".*authenticity_token.*value=\"([^\"]+)\".*");
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175 | while ((c = r.readLine()) != null) {
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176 | Matcher m = p.matcher(c);
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177 | if (m.find()) {
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178 | return m.group(1);
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179 | }
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180 | }
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181 | } catch (IOException e) {
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182 | Logging.error(e);
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183 | return null;
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184 | }
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185 | Logging.warn("No authenticity_token found in response!");
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186 | return null;
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187 | }
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188 |
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189 | protected SessionId extractOsmSession() throws IOException, URISyntaxException {
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190 | // response headers might not contain the cookie, see #12584
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191 | final List<String> setCookies = CookieHandler.getDefault()
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192 | .get(connection.getURL().toURI(), Collections.<String, List<String>>emptyMap())
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193 | .get("Cookie");
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194 | if (setCookies == null) {
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195 | Logging.warn("No 'Set-Cookie' in response header!");
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196 | return null;
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197 | }
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198 |
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199 | for (String setCookie: setCookies) {
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200 | String[] kvPairs = setCookie.split(";", -1);
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201 | if (kvPairs.length == 0) {
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202 | continue;
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203 | }
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204 | for (String kvPair : kvPairs) {
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205 | kvPair = kvPair.trim();
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206 | String[] kv = kvPair.split("=", -1);
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207 | if (kv.length != 2) {
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208 | continue;
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209 | }
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210 | if ("_osm_session".equals(kv[0])) {
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211 | // osm session cookie found
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212 | String token = extractToken();
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213 | if (token == null)
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214 | return null;
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215 | SessionId si = new SessionId();
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216 | si.id = kv[1];
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217 | si.token = token;
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218 | return si;
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219 | }
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220 | }
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221 | }
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222 | Logging.warn("No suitable 'Set-Cookie' in response header found! {0}", setCookies);
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223 | return null;
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224 | }
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225 |
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226 | protected static String buildPostRequest(Map<String, String> parameters) {
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227 | StringBuilder sb = new StringBuilder(32);
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228 |
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229 | for (Iterator<Entry<String, String>> it = parameters.entrySet().iterator(); it.hasNext();) {
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230 | Entry<String, String> entry = it.next();
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231 | String value = entry.getValue();
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232 | value = (value == null) ? "" : value;
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233 | sb.append(entry.getKey()).append('=').append(Utils.encodeUrl(value));
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234 | if (it.hasNext()) {
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235 | sb.append('&');
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236 | }
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237 | }
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238 | return sb.toString();
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239 | }
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240 |
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241 | /**
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242 | * Submits a request to the OSM website for a login form. The OSM website replies a session ID in
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243 | * a cookie.
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244 | *
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245 | * @return the session ID structure
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246 | * @throws OsmOAuthAuthorizationException if something went wrong
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247 | */
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248 | protected SessionId fetchOsmWebsiteSessionId() throws OsmOAuthAuthorizationException {
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249 | try {
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250 | final URL url = new URL(oauthProviderParameters.getOsmLoginUrl() + "?cookie_test=true");
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251 | synchronized (this) {
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252 | connection = HttpClient.create(url).useCache(false);
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253 | connection.connect();
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254 | }
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255 | SessionId sessionId = extractOsmSession();
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256 | if (sessionId == null)
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257 | throw new OsmOAuthAuthorizationException(
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258 | tr("OSM website did not return a session cookie in response to ''{0}'',", url.toString()));
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259 | return sessionId;
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260 | } catch (IOException | URISyntaxException e) {
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261 | throw new OsmOAuthAuthorizationException(e);
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262 | } finally {
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263 | synchronized (this) {
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264 | connection = null;
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265 | }
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266 | }
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267 | }
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268 |
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269 | /**
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270 | * Submits a request to the OSM website for a OAuth form. The OSM website replies a session token in
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271 | * a hidden parameter.
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272 | * @param sessionId session id
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273 | * @param requestToken request token
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274 | *
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275 | * @throws OsmOAuthAuthorizationException if something went wrong
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276 | */
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277 | protected void fetchOAuthToken(SessionId sessionId, OAuthToken requestToken) throws OsmOAuthAuthorizationException {
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278 | try {
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279 | URL url = new URL(getAuthoriseUrl(requestToken));
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280 | synchronized (this) {
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281 | connection = HttpClient.create(url)
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282 | .useCache(false)
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283 | .setHeader("Cookie", "_osm_session=" + sessionId.id + "; _osm_username=" + sessionId.userName);
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284 | connection.connect();
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285 | }
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286 | sessionId.token = extractToken();
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287 | if (sessionId.token == null)
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288 | throw new OsmOAuthAuthorizationException(tr("OSM website did not return a session cookie in response to ''{0}'',",
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289 | url.toString()));
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290 | } catch (IOException e) {
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291 | throw new OsmOAuthAuthorizationException(e);
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292 | } finally {
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293 | synchronized (this) {
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294 | connection = null;
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295 | }
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296 | }
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297 | }
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298 |
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299 | protected void authenticateOsmSession(SessionId sessionId, String userName, String password) throws OsmLoginFailedException {
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300 | try {
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301 | final URL url = new URL(oauthProviderParameters.getOsmLoginUrl());
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302 | final HttpClient client = HttpClient.create(url, "POST").useCache(false);
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303 |
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304 | Map<String, String> parameters = new HashMap<>();
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305 | parameters.put("username", userName);
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306 | parameters.put("password", password);
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307 | parameters.put("referer", "/");
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308 | parameters.put("commit", "Login");
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309 | parameters.put("authenticity_token", sessionId.token);
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310 | client.setRequestBody(buildPostRequest(parameters).getBytes(StandardCharsets.UTF_8));
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311 |
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312 | client.setHeader("Content-Type", "application/x-www-form-urlencoded");
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313 | client.setHeader("Cookie", "_osm_session=" + sessionId.id);
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314 | // make sure we can catch 302 Moved Temporarily below
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315 | client.setMaxRedirects(-1);
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316 |
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317 | synchronized (this) {
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318 | connection = client;
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319 | connection.connect();
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320 | }
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321 |
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322 | // after a successful login the OSM website sends a redirect to a follow up page. Everything
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323 | // else, including a 200 OK, is a failed login. A 200 OK is replied if the login form with
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324 | // an error page is sent to back to the user.
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325 | //
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326 | int retCode = connection.getResponse().getResponseCode();
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327 | if (retCode != HttpURLConnection.HTTP_MOVED_TEMP)
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328 | throw new OsmOAuthAuthorizationException(tr("Failed to authenticate user ''{0}'' with password ''***'' as OAuth user",
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329 | userName));
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330 | } catch (OsmOAuthAuthorizationException | IOException e) {
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331 | throw new OsmLoginFailedException(e);
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332 | } finally {
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333 | synchronized (this) {
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334 | connection = null;
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335 | }
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336 | }
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337 | }
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338 |
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339 | protected void logoutOsmSession(SessionId sessionId) throws OsmOAuthAuthorizationException {
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340 | try {
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341 | URL url = new URL(oauthProviderParameters.getOsmLogoutUrl());
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342 | synchronized (this) {
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343 | connection = HttpClient.create(url).setMaxRedirects(-1);
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344 | connection.connect();
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345 | }
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346 | } catch (IOException e) {
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347 | throw new OsmOAuthAuthorizationException(e);
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348 | } finally {
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349 | synchronized (this) {
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350 | connection = null;
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351 | }
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352 | }
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353 | }
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354 |
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355 | protected void sendAuthorisationRequest(SessionId sessionId, OAuthToken requestToken, OsmPrivileges privileges)
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356 | throws OsmOAuthAuthorizationException {
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357 | Map<String, String> parameters = new HashMap<>();
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358 | fetchOAuthToken(sessionId, requestToken);
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359 | parameters.put("oauth_token", requestToken.getKey());
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360 | parameters.put("oauth_callback", "");
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361 | parameters.put("authenticity_token", sessionId.token);
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362 | if (privileges.isAllowWriteApi()) {
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363 | parameters.put("allow_write_api", "yes");
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364 | }
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365 | if (privileges.isAllowWriteGpx()) {
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366 | parameters.put("allow_write_gpx", "yes");
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367 | }
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368 | if (privileges.isAllowReadGpx()) {
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369 | parameters.put("allow_read_gpx", "yes");
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370 | }
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371 | if (privileges.isAllowWritePrefs()) {
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372 | parameters.put("allow_write_prefs", "yes");
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373 | }
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374 | if (privileges.isAllowReadPrefs()) {
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375 | parameters.put("allow_read_prefs", "yes");
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376 | }
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377 | if (privileges.isAllowModifyNotes()) {
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378 | parameters.put("allow_write_notes", "yes");
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379 | }
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380 |
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381 | parameters.put("commit", "Save changes");
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382 |
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383 | String request = buildPostRequest(parameters);
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384 | try {
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385 | URL url = new URL(oauthProviderParameters.getAuthoriseUrl());
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386 | final HttpClient client = HttpClient.create(url, "POST").useCache(false);
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387 | client.setHeader("Content-Type", "application/x-www-form-urlencoded");
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388 | client.setHeader("Cookie", "_osm_session=" + sessionId.id + "; _osm_username=" + sessionId.userName);
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389 | client.setMaxRedirects(-1);
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390 | client.setRequestBody(request.getBytes(StandardCharsets.UTF_8));
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391 |
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392 | synchronized (this) {
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393 | connection = client;
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394 | connection.connect();
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395 | }
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396 |
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397 | int retCode = connection.getResponse().getResponseCode();
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398 | if (retCode != HttpURLConnection.HTTP_OK)
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399 | throw new OsmOAuthAuthorizationException(tr("Failed to authorize OAuth request ''{0}''", requestToken.getKey()));
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400 | } catch (IOException e) {
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401 | throw new OsmOAuthAuthorizationException(e);
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402 | } finally {
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403 | synchronized (this) {
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404 | connection = null;
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405 | }
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406 | }
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407 | }
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408 |
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409 | /**
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410 | * Automatically authorises a request token for a set of privileges.
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411 | *
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412 | * @param requestToken the request token. Must not be null.
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413 | * @param userName the OSM user name. Must not be null.
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414 | * @param password the OSM password. Must not be null.
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415 | * @param privileges the set of privileges. Must not be null.
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416 | * @param monitor a progress monitor. Defaults to {@link NullProgressMonitor#INSTANCE} if null
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417 | * @throws IllegalArgumentException if requestToken is null
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418 | * @throws IllegalArgumentException if osmUserName is null
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419 | * @throws IllegalArgumentException if osmPassword is null
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420 | * @throws IllegalArgumentException if privileges is null
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421 | * @throws OsmOAuthAuthorizationException if the authorisation fails
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422 | * @throws OsmTransferCanceledException if the task is canceled by the user
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423 | */
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424 | public void authorise(OAuthToken requestToken, String userName, String password, OsmPrivileges privileges, ProgressMonitor monitor)
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425 | throws OsmOAuthAuthorizationException, OsmTransferCanceledException {
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426 | CheckParameterUtil.ensureParameterNotNull(requestToken, "requestToken");
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427 | CheckParameterUtil.ensureParameterNotNull(userName, "userName");
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428 | CheckParameterUtil.ensureParameterNotNull(password, "password");
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429 | CheckParameterUtil.ensureParameterNotNull(privileges, "privileges");
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430 |
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431 | if (monitor == null) {
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432 | monitor = NullProgressMonitor.INSTANCE;
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433 | }
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434 | try {
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435 | monitor.beginTask(tr("Authorizing OAuth Request token ''{0}'' at the OSM website ...", requestToken.getKey()));
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436 | monitor.setTicksCount(4);
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437 | monitor.indeterminateSubTask(tr("Initializing a session at the OSM website..."));
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438 | SessionId sessionId = fetchOsmWebsiteSessionId();
|
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439 | sessionId.userName = userName;
|
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440 | if (canceled)
|
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441 | throw new OsmTransferCanceledException("Authorization canceled");
|
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442 | monitor.worked(1);
|
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443 |
|
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444 | monitor.indeterminateSubTask(tr("Authenticating the session for user ''{0}''...", userName));
|
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445 | authenticateOsmSession(sessionId, userName, password);
|
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446 | if (canceled)
|
---|
447 | throw new OsmTransferCanceledException("Authorization canceled");
|
---|
448 | monitor.worked(1);
|
---|
449 |
|
---|
450 | monitor.indeterminateSubTask(tr("Authorizing request token ''{0}''...", requestToken.getKey()));
|
---|
451 | sendAuthorisationRequest(sessionId, requestToken, privileges);
|
---|
452 | if (canceled)
|
---|
453 | throw new OsmTransferCanceledException("Authorization canceled");
|
---|
454 | monitor.worked(1);
|
---|
455 |
|
---|
456 | monitor.indeterminateSubTask(tr("Logging out session ''{0}''...", sessionId));
|
---|
457 | logoutOsmSession(sessionId);
|
---|
458 | if (canceled)
|
---|
459 | throw new OsmTransferCanceledException("Authorization canceled");
|
---|
460 | monitor.worked(1);
|
---|
461 | } catch (OsmOAuthAuthorizationException e) {
|
---|
462 | if (canceled)
|
---|
463 | throw new OsmTransferCanceledException(e);
|
---|
464 | throw e;
|
---|
465 | } finally {
|
---|
466 | monitor.finishTask();
|
---|
467 | }
|
---|
468 | }
|
---|
469 | }
|
---|