1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.io;
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3 |
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4 | import static org.openstreetmap.josm.tools.I18n.tr;
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5 | import static org.openstreetmap.josm.tools.I18n.trn;
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6 |
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7 | import java.io.IOException;
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8 | import java.io.PrintWriter;
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9 | import java.io.StringReader;
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10 | import java.io.StringWriter;
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11 | import java.net.Authenticator.RequestorType;
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12 | import java.net.ConnectException;
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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.SocketTimeoutException;
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16 | import java.net.URL;
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17 | import java.nio.charset.StandardCharsets;
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18 | import java.util.Collection;
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19 | import java.util.Collections;
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20 | import java.util.HashMap;
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21 | import java.util.List;
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22 | import java.util.Map;
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23 |
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24 | import javax.xml.parsers.ParserConfigurationException;
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25 |
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26 | import org.openstreetmap.josm.Main;
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27 | import org.openstreetmap.josm.data.coor.LatLon;
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28 | import org.openstreetmap.josm.data.notes.Note;
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29 | import org.openstreetmap.josm.data.osm.Changeset;
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30 | import org.openstreetmap.josm.data.osm.IPrimitive;
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31 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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32 | import org.openstreetmap.josm.data.osm.OsmPrimitiveType;
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33 | import org.openstreetmap.josm.gui.progress.NullProgressMonitor;
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34 | import org.openstreetmap.josm.gui.progress.ProgressMonitor;
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35 | import org.openstreetmap.josm.io.Capabilities.CapabilitiesParser;
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36 | import org.openstreetmap.josm.io.auth.CredentialsManager;
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37 | import org.openstreetmap.josm.spi.preferences.Config;
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38 | import org.openstreetmap.josm.tools.CheckParameterUtil;
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39 | import org.openstreetmap.josm.tools.HttpClient;
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40 | import org.openstreetmap.josm.tools.ListenerList;
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41 | import org.openstreetmap.josm.tools.Logging;
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42 | import org.openstreetmap.josm.tools.Utils;
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43 | import org.openstreetmap.josm.tools.XmlParsingException;
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44 | import org.xml.sax.InputSource;
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45 | import org.xml.sax.SAXException;
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46 | import org.xml.sax.SAXParseException;
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47 |
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48 | /**
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49 | * Class that encapsulates the communications with the <a href="http://wiki.openstreetmap.org/wiki/API_v0.6">OSM API</a>.<br><br>
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50 | *
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51 | * All interaction with the server-side OSM API should go through this class.<br><br>
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52 | *
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53 | * It is conceivable to extract this into an interface later and create various
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54 | * classes implementing the interface, to be able to talk to various kinds of servers.
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55 | * @since 1523
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56 | */
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57 | public class OsmApi extends OsmConnection {
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58 |
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59 | /**
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60 | * Maximum number of retries to send a request in case of HTTP 500 errors or timeouts
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61 | */
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62 | public static final int DEFAULT_MAX_NUM_RETRIES = 5;
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63 |
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64 | /**
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65 | * Maximum number of concurrent download threads, imposed by
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66 | * <a href="http://wiki.openstreetmap.org/wiki/API_usage_policy#Technical_Usage_Requirements">
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67 | * OSM API usage policy.</a>
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68 | * @since 5386
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69 | */
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70 | public static final int MAX_DOWNLOAD_THREADS = 2;
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71 |
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72 | /**
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73 | * Default URL of the standard OSM API.
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74 | * @since 5422
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75 | */
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76 | public static final String DEFAULT_API_URL = "https://api.openstreetmap.org/api";
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77 |
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78 | // The collection of instantiated OSM APIs
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79 | private static final Map<String, OsmApi> instances = new HashMap<>();
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80 |
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81 | private static final ListenerList<OsmApiInitializationListener> listeners = ListenerList.create();
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82 |
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83 | private URL url;
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84 |
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85 | /**
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86 | * OSM API initialization listener.
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87 | * @since 12804
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88 | */
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89 | public interface OsmApiInitializationListener {
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90 | /**
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91 | * Called when an OSM API instance has been successfully initialized.
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92 | * @param instance the initialized OSM API instance
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93 | */
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94 | void apiInitialized(OsmApi instance);
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95 | }
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96 |
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97 | /**
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98 | * Adds a new OSM API initialization listener.
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99 | * @param listener OSM API initialization listener to add
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100 | * @since 12804
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101 | */
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102 | public static void addOsmApiInitializationListener(OsmApiInitializationListener listener) {
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103 | listeners.addListener(listener);
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104 | }
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105 |
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106 | /**
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107 | * Removes an OSM API initialization listener.
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108 | * @param listener OSM API initialization listener to remove
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109 | * @since 12804
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110 | */
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111 | public static void removeOsmApiInitializationListener(OsmApiInitializationListener listener) {
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112 | listeners.removeListener(listener);
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113 | }
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114 |
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115 | /**
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116 | * Replies the {@link OsmApi} for a given server URL
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117 | *
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118 | * @param serverUrl the server URL
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119 | * @return the OsmApi
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120 | * @throws IllegalArgumentException if serverUrl is null
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121 | *
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122 | */
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123 | public static OsmApi getOsmApi(String serverUrl) {
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124 | OsmApi api = instances.get(serverUrl);
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125 | if (api == null) {
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126 | api = new OsmApi(serverUrl);
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127 | cacheInstance(api);
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128 | }
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129 | return api;
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130 | }
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131 |
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132 | protected static void cacheInstance(OsmApi api) {
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133 | instances.put(api.getServerUrl(), api);
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134 | }
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135 |
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136 | private static String getServerUrlFromPref() {
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137 | return Config.getPref().get("osm-server.url", DEFAULT_API_URL);
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138 | }
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139 |
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140 | /**
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141 | * Replies the {@link OsmApi} for the URL given by the preference <code>osm-server.url</code>
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142 | *
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143 | * @return the OsmApi
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144 | */
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145 | public static OsmApi getOsmApi() {
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146 | return getOsmApi(getServerUrlFromPref());
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147 | }
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148 |
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149 | /** Server URL */
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150 | private final String serverUrl;
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151 |
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152 | /** Object describing current changeset */
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153 | private Changeset changeset;
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154 |
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155 | /** API version used for server communications */
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156 | private String version;
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157 |
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158 | /** API capabilities */
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159 | private Capabilities capabilities;
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160 |
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161 | /** true if successfully initialized */
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162 | private boolean initialized;
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163 |
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164 | /**
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165 | * Constructs a new {@code OsmApi} for a specific server URL.
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166 | *
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167 | * @param serverUrl the server URL. Must not be null
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168 | * @throws IllegalArgumentException if serverUrl is null
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169 | */
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170 | protected OsmApi(String serverUrl) {
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171 | CheckParameterUtil.ensureParameterNotNull(serverUrl, "serverUrl");
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172 | this.serverUrl = serverUrl;
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173 | }
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174 |
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175 | /**
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176 | * Replies the OSM protocol version we use to talk to the server.
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177 | * @return protocol version, or null if not yet negotiated.
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178 | */
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179 | public String getVersion() {
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180 | return version;
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181 | }
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182 |
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183 | /**
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184 | * Replies the host name of the server URL.
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185 | * @return the host name of the server URL, or null if the server URL is malformed.
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186 | */
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187 | public String getHost() {
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188 | String host = null;
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189 | try {
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190 | host = (new URL(serverUrl)).getHost();
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191 | } catch (MalformedURLException e) {
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192 | Logging.warn(e);
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193 | }
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194 | return host;
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195 | }
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196 |
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197 | private class CapabilitiesCache extends CacheCustomContent<OsmTransferException> {
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198 |
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199 | private static final String CAPABILITIES = "capabilities";
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200 |
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201 | private final ProgressMonitor monitor;
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202 | private final boolean fastFail;
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203 |
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204 | CapabilitiesCache(ProgressMonitor monitor, boolean fastFail) {
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205 | super(CAPABILITIES + getBaseUrl().hashCode(), CacheCustomContent.INTERVAL_WEEKLY);
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206 | this.monitor = monitor;
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207 | this.fastFail = fastFail;
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208 | }
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209 |
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210 | @Override
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211 | protected void checkOfflineAccess() {
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212 | OnlineResource.OSM_API.checkOfflineAccess(getBaseUrl(getServerUrlFromPref(), "0.6")+CAPABILITIES, getServerUrlFromPref());
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213 | }
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214 |
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215 | @Override
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216 | protected byte[] updateData() throws OsmTransferException {
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217 | return sendRequest("GET", CAPABILITIES, null, monitor, false, fastFail).getBytes(StandardCharsets.UTF_8);
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218 | }
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219 | }
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220 |
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221 | /**
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222 | * Initializes this component by negotiating a protocol version with the server.
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223 | *
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224 | * @param monitor the progress monitor
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225 | * @throws OsmTransferCanceledException If the initialisation has been cancelled by user.
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226 | * @throws OsmApiInitializationException If any other exception occurs. Use getCause() to get the original exception.
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227 | */
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228 | public void initialize(ProgressMonitor monitor) throws OsmTransferCanceledException, OsmApiInitializationException {
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229 | initialize(monitor, false);
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230 | }
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231 |
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232 | /**
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233 | * Initializes this component by negotiating a protocol version with the server, with the ability to control the timeout.
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234 | *
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235 | * @param monitor the progress monitor
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236 | * @param fastFail true to request quick initialisation with a small timeout (more likely to throw exception)
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237 | * @throws OsmTransferCanceledException If the initialisation has been cancelled by user.
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238 | * @throws OsmApiInitializationException If any other exception occurs. Use getCause() to get the original exception.
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239 | */
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240 | public void initialize(ProgressMonitor monitor, boolean fastFail) throws OsmTransferCanceledException, OsmApiInitializationException {
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241 | if (initialized)
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242 | return;
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243 | cancel = false;
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244 | try {
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245 | CapabilitiesCache cache = new CapabilitiesCache(monitor, fastFail);
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246 | try {
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247 | initializeCapabilities(cache.updateIfRequiredString());
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248 | } catch (SAXParseException parseException) {
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249 | Logging.trace(parseException);
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250 | // XML parsing may fail if JOSM previously stored a corrupted capabilities document (see #8278)
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251 | // In that case, force update and try again
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252 | initializeCapabilities(cache.updateForceString());
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253 | }
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254 | if (capabilities == null) {
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255 | if (Main.isOffline(OnlineResource.OSM_API)) {
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256 | Logging.warn(tr("{0} not available (offline mode)", tr("OSM API")));
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257 | } else {
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258 | Logging.error(tr("Unable to initialize OSM API."));
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259 | }
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260 | return;
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261 | } else if (!capabilities.supportsVersion("0.6")) {
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262 | Logging.error(tr("This version of JOSM is incompatible with the configured server."));
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263 | Logging.error(tr("It supports protocol version 0.6, while the server says it supports {0} to {1}.",
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264 | capabilities.get("version", "minimum"), capabilities.get("version", "maximum")));
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265 | return;
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266 | } else {
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267 | version = "0.6";
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268 | initialized = true;
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269 | }
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270 |
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271 | listeners.fireEvent(l -> l.apiInitialized(this));
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272 | } catch (OsmTransferCanceledException e) {
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273 | throw e;
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274 | } catch (OsmTransferException e) {
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275 | initialized = false;
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276 | Main.addNetworkError(url, Utils.getRootCause(e));
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277 | throw new OsmApiInitializationException(e);
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278 | } catch (SAXException | IOException | ParserConfigurationException e) {
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279 | initialized = false;
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280 | throw new OsmApiInitializationException(e);
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281 | }
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282 | }
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283 |
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284 | private synchronized void initializeCapabilities(String xml) throws SAXException, IOException, ParserConfigurationException {
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285 | if (xml != null) {
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286 | capabilities = CapabilitiesParser.parse(new InputSource(new StringReader(xml)));
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287 | }
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288 | }
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289 |
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290 | /**
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291 | * Makes an XML string from an OSM primitive. Uses the OsmWriter class.
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292 | * @param o the OSM primitive
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293 | * @param addBody true to generate the full XML, false to only generate the encapsulating tag
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294 | * @return XML string
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295 | */
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296 | protected final String toXml(IPrimitive o, boolean addBody) {
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297 | StringWriter swriter = new StringWriter();
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298 | try (OsmWriter osmWriter = OsmWriterFactory.createOsmWriter(new PrintWriter(swriter), true, version)) {
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299 | swriter.getBuffer().setLength(0);
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300 | osmWriter.setWithBody(addBody);
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301 | osmWriter.setChangeset(changeset);
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302 | osmWriter.header();
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303 | o.accept(osmWriter);
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304 | osmWriter.footer();
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305 | osmWriter.flush();
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306 | } catch (IOException e) {
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307 | Logging.warn(e);
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308 | }
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309 | return swriter.toString();
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310 | }
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311 |
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312 | /**
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313 | * Makes an XML string from an OSM primitive. Uses the OsmWriter class.
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314 | * @param s the changeset
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315 | * @return XML string
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316 | */
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317 | protected final String toXml(Changeset s) {
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318 | StringWriter swriter = new StringWriter();
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319 | try (OsmWriter osmWriter = OsmWriterFactory.createOsmWriter(new PrintWriter(swriter), true, version)) {
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320 | swriter.getBuffer().setLength(0);
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321 | osmWriter.header();
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322 | osmWriter.visit(s);
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323 | osmWriter.footer();
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324 | osmWriter.flush();
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325 | } catch (IOException e) {
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326 | Logging.warn(e);
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327 | }
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328 | return swriter.toString();
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329 | }
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330 |
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331 | private static String getBaseUrl(String serverUrl, String version) {
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332 | StringBuilder rv = new StringBuilder(serverUrl);
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333 | if (version != null) {
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334 | rv.append('/').append(version);
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335 | }
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336 | rv.append('/');
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337 | // this works around a ruby (or lighttpd) bug where two consecutive slashes in
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338 | // an URL will cause a "404 not found" response.
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339 | int p;
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340 | while ((p = rv.indexOf("//", rv.indexOf("://")+2)) > -1) {
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341 | rv.delete(p, p + 1);
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342 | }
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343 | return rv.toString();
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344 | }
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345 |
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346 | /**
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347 | * Returns the base URL for API requests, including the negotiated version number.
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348 | * @return base URL string
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349 | */
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350 | public String getBaseUrl() {
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351 | return getBaseUrl(serverUrl, version);
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352 | }
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353 |
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354 | /**
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355 | * Returns the server URL
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356 | * @return the server URL
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357 | * @since 9353
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358 | */
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359 | public String getServerUrl() {
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360 | return serverUrl;
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361 | }
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362 |
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363 | /**
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364 | * Creates an OSM primitive on the server. The OsmPrimitive object passed in
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365 | * is modified by giving it the server-assigned id.
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366 | *
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367 | * @param osm the primitive
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368 | * @param monitor the progress monitor
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369 | * @throws OsmTransferException if something goes wrong
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370 | */
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371 | public void createPrimitive(IPrimitive osm, ProgressMonitor monitor) throws OsmTransferException {
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372 | String ret = "";
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373 | try {
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374 | ensureValidChangeset();
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375 | initialize(monitor);
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376 | ret = sendRequest("PUT", OsmPrimitiveType.from(osm).getAPIName()+"/create", toXml(osm, true), monitor);
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377 | osm.setOsmId(Long.parseLong(ret.trim()), 1);
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378 | osm.setChangesetId(getChangeset().getId());
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379 | } catch (NumberFormatException e) {
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380 | throw new OsmTransferException(tr("Unexpected format of ID replied by the server. Got ''{0}''.", ret), e);
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381 | }
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382 | }
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383 |
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384 | /**
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385 | * Modifies an OSM primitive on the server.
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386 | *
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387 | * @param osm the primitive. Must not be null.
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388 | * @param monitor the progress monitor
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389 | * @throws OsmTransferException if something goes wrong
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390 | */
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391 | public void modifyPrimitive(IPrimitive osm, ProgressMonitor monitor) throws OsmTransferException {
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392 | String ret = null;
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393 | try {
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394 | ensureValidChangeset();
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395 | initialize(monitor);
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396 | // normal mode (0.6 and up) returns new object version.
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397 | ret = sendRequest("PUT", OsmPrimitiveType.from(osm).getAPIName()+'/' + osm.getId(), toXml(osm, true), monitor);
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398 | osm.setOsmId(osm.getId(), Integer.parseInt(ret.trim()));
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399 | osm.setChangesetId(getChangeset().getId());
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400 | osm.setVisible(true);
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401 | } catch (NumberFormatException e) {
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402 | throw new OsmTransferException(tr("Unexpected format of new version of modified primitive ''{0}''. Got ''{1}''.",
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403 | osm.getId(), ret), e);
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404 | }
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405 | }
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406 |
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407 | /**
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408 | * Deletes an OSM primitive on the server.
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409 | * @param osm the primitive
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410 | * @param monitor the progress monitor
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411 | * @throws OsmTransferException if something goes wrong
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412 | */
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413 | public void deletePrimitive(OsmPrimitive osm, ProgressMonitor monitor) throws OsmTransferException {
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414 | ensureValidChangeset();
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415 | initialize(monitor);
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416 | // can't use a the individual DELETE method in the 0.6 API. Java doesn't allow
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417 | // submitting a DELETE request with content, the 0.6 API requires it, however. Falling back
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418 | // to diff upload.
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419 | //
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420 | uploadDiff(Collections.singleton(osm), monitor.createSubTaskMonitor(ProgressMonitor.ALL_TICKS, false));
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421 | }
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422 |
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423 | /**
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424 | * Creates a new changeset based on the keys in <code>changeset</code>. If this
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425 | * method succeeds, changeset.getId() replies the id the server assigned to the new
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426 | * changeset
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427 | *
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428 | * The changeset must not be null, but its key/value-pairs may be empty.
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429 | *
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430 | * @param changeset the changeset toe be created. Must not be null.
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431 | * @param progressMonitor the progress monitor
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432 | * @throws OsmTransferException signifying a non-200 return code, or connection errors
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433 | * @throws IllegalArgumentException if changeset is null
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434 | */
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435 | public void openChangeset(Changeset changeset, ProgressMonitor progressMonitor) throws OsmTransferException {
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436 | CheckParameterUtil.ensureParameterNotNull(changeset, "changeset");
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437 | try {
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438 | progressMonitor.beginTask(tr("Creating changeset..."));
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439 | initialize(progressMonitor);
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440 | String ret = "";
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441 | try {
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442 | ret = sendRequest("PUT", "changeset/create", toXml(changeset), progressMonitor);
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443 | changeset.setId(Integer.parseInt(ret.trim()));
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444 | changeset.setOpen(true);
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445 | } catch (NumberFormatException e) {
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446 | throw new OsmTransferException(tr("Unexpected format of ID replied by the server. Got ''{0}''.", ret), e);
|
---|
447 | }
|
---|
448 | progressMonitor.setCustomText(tr("Successfully opened changeset {0}", changeset.getId()));
|
---|
449 | } finally {
|
---|
450 | progressMonitor.finishTask();
|
---|
451 | }
|
---|
452 | }
|
---|
453 |
|
---|
454 | /**
|
---|
455 | * Updates a changeset with the keys in <code>changesetUpdate</code>. The changeset must not
|
---|
456 | * be null and id > 0 must be true.
|
---|
457 | *
|
---|
458 | * @param changeset the changeset to update. Must not be null.
|
---|
459 | * @param monitor the progress monitor. If null, uses the {@link NullProgressMonitor#INSTANCE}.
|
---|
460 | *
|
---|
461 | * @throws OsmTransferException if something goes wrong.
|
---|
462 | * @throws IllegalArgumentException if changeset is null
|
---|
463 | * @throws IllegalArgumentException if changeset.getId() <= 0
|
---|
464 | *
|
---|
465 | */
|
---|
466 | public void updateChangeset(Changeset changeset, ProgressMonitor monitor) throws OsmTransferException {
|
---|
467 | CheckParameterUtil.ensureParameterNotNull(changeset, "changeset");
|
---|
468 | if (monitor == null) {
|
---|
469 | monitor = NullProgressMonitor.INSTANCE;
|
---|
470 | }
|
---|
471 | if (changeset.getId() <= 0)
|
---|
472 | throw new IllegalArgumentException(tr("Changeset ID > 0 expected. Got {0}.", changeset.getId()));
|
---|
473 | try {
|
---|
474 | monitor.beginTask(tr("Updating changeset..."));
|
---|
475 | initialize(monitor);
|
---|
476 | monitor.setCustomText(tr("Updating changeset {0}...", changeset.getId()));
|
---|
477 | sendRequest(
|
---|
478 | "PUT",
|
---|
479 | "changeset/" + changeset.getId(),
|
---|
480 | toXml(changeset),
|
---|
481 | monitor
|
---|
482 | );
|
---|
483 | } catch (ChangesetClosedException e) {
|
---|
484 | e.setSource(ChangesetClosedException.Source.UPDATE_CHANGESET);
|
---|
485 | throw e;
|
---|
486 | } catch (OsmApiException e) {
|
---|
487 | String errorHeader = e.getErrorHeader();
|
---|
488 | if (e.getResponseCode() == HttpURLConnection.HTTP_CONFLICT && ChangesetClosedException.errorHeaderMatchesPattern(errorHeader))
|
---|
489 | throw new ChangesetClosedException(errorHeader, ChangesetClosedException.Source.UPDATE_CHANGESET);
|
---|
490 | throw e;
|
---|
491 | } finally {
|
---|
492 | monitor.finishTask();
|
---|
493 | }
|
---|
494 | }
|
---|
495 |
|
---|
496 | /**
|
---|
497 | * Closes a changeset on the server. Sets changeset.setOpen(false) if this operation succeeds.
|
---|
498 | *
|
---|
499 | * @param changeset the changeset to be closed. Must not be null. changeset.getId() > 0 required.
|
---|
500 | * @param monitor the progress monitor. If null, uses {@link NullProgressMonitor#INSTANCE}
|
---|
501 | *
|
---|
502 | * @throws OsmTransferException if something goes wrong.
|
---|
503 | * @throws IllegalArgumentException if changeset is null
|
---|
504 | * @throws IllegalArgumentException if changeset.getId() <= 0
|
---|
505 | */
|
---|
506 | public void closeChangeset(Changeset changeset, ProgressMonitor monitor) throws OsmTransferException {
|
---|
507 | CheckParameterUtil.ensureParameterNotNull(changeset, "changeset");
|
---|
508 | if (monitor == null) {
|
---|
509 | monitor = NullProgressMonitor.INSTANCE;
|
---|
510 | }
|
---|
511 | if (changeset.getId() <= 0)
|
---|
512 | throw new IllegalArgumentException(tr("Changeset ID > 0 expected. Got {0}.", changeset.getId()));
|
---|
513 | try {
|
---|
514 | monitor.beginTask(tr("Closing changeset..."));
|
---|
515 | initialize(monitor);
|
---|
516 | /* send "\r\n" instead of empty string, so we don't send zero payload - works around bugs
|
---|
517 | in proxy software */
|
---|
518 | sendRequest("PUT", "changeset" + "/" + changeset.getId() + "/close", "\r\n", monitor);
|
---|
519 | changeset.setOpen(false);
|
---|
520 | } finally {
|
---|
521 | monitor.finishTask();
|
---|
522 | }
|
---|
523 | }
|
---|
524 |
|
---|
525 | /**
|
---|
526 | * Uploads a list of changes in "diff" form to the server.
|
---|
527 | *
|
---|
528 | * @param list the list of changed OSM Primitives
|
---|
529 | * @param monitor the progress monitor
|
---|
530 | * @return list of processed primitives
|
---|
531 | * @throws OsmTransferException if something is wrong
|
---|
532 | */
|
---|
533 | public Collection<OsmPrimitive> uploadDiff(Collection<? extends OsmPrimitive> list, ProgressMonitor monitor)
|
---|
534 | throws OsmTransferException {
|
---|
535 | try {
|
---|
536 | monitor.beginTask("", list.size() * 2);
|
---|
537 | if (changeset == null)
|
---|
538 | throw new OsmTransferException(tr("No changeset present for diff upload."));
|
---|
539 |
|
---|
540 | initialize(monitor);
|
---|
541 |
|
---|
542 | // prepare upload request
|
---|
543 | //
|
---|
544 | OsmChangeBuilder changeBuilder = new OsmChangeBuilder(changeset);
|
---|
545 | monitor.subTask(tr("Preparing upload request..."));
|
---|
546 | changeBuilder.start();
|
---|
547 | changeBuilder.append(list);
|
---|
548 | changeBuilder.finish();
|
---|
549 | String diffUploadRequest = changeBuilder.getDocument();
|
---|
550 |
|
---|
551 | // Upload to the server
|
---|
552 | //
|
---|
553 | monitor.indeterminateSubTask(
|
---|
554 | trn("Uploading {0} object...", "Uploading {0} objects...", list.size(), list.size()));
|
---|
555 | String diffUploadResponse = sendRequest("POST", "changeset/" + changeset.getId() + "/upload", diffUploadRequest, monitor);
|
---|
556 |
|
---|
557 | // Process the response from the server
|
---|
558 | //
|
---|
559 | DiffResultProcessor reader = new DiffResultProcessor(list);
|
---|
560 | reader.parse(diffUploadResponse, monitor.createSubTaskMonitor(ProgressMonitor.ALL_TICKS, false));
|
---|
561 | return reader.postProcess(
|
---|
562 | getChangeset(),
|
---|
563 | monitor.createSubTaskMonitor(ProgressMonitor.ALL_TICKS, false)
|
---|
564 | );
|
---|
565 | } catch (OsmTransferException e) {
|
---|
566 | throw e;
|
---|
567 | } catch (XmlParsingException e) {
|
---|
568 | throw new OsmTransferException(e);
|
---|
569 | } finally {
|
---|
570 | monitor.finishTask();
|
---|
571 | }
|
---|
572 | }
|
---|
573 |
|
---|
574 | private void sleepAndListen(int retry, ProgressMonitor monitor) throws OsmTransferCanceledException {
|
---|
575 | Logging.info(tr("Waiting 10 seconds ... "));
|
---|
576 | for (int i = 0; i < 10; i++) {
|
---|
577 | if (monitor != null) {
|
---|
578 | monitor.setCustomText(tr("Starting retry {0} of {1} in {2} seconds ...", getMaxRetries() - retry, getMaxRetries(), 10-i));
|
---|
579 | }
|
---|
580 | if (cancel)
|
---|
581 | throw new OsmTransferCanceledException("Operation canceled" + (i > 0 ? " in retry #"+i : ""));
|
---|
582 | try {
|
---|
583 | Thread.sleep(1000);
|
---|
584 | } catch (InterruptedException ex) {
|
---|
585 | Logging.warn("InterruptedException in "+getClass().getSimpleName()+" during sleep");
|
---|
586 | Thread.currentThread().interrupt();
|
---|
587 | }
|
---|
588 | }
|
---|
589 | Logging.info(tr("OK - trying again."));
|
---|
590 | }
|
---|
591 |
|
---|
592 | /**
|
---|
593 | * Replies the max. number of retries in case of 5XX errors on the server
|
---|
594 | *
|
---|
595 | * @return the max number of retries
|
---|
596 | */
|
---|
597 | protected int getMaxRetries() {
|
---|
598 | int ret = Config.getPref().getInt("osm-server.max-num-retries", DEFAULT_MAX_NUM_RETRIES);
|
---|
599 | return Math.max(ret, 0);
|
---|
600 | }
|
---|
601 |
|
---|
602 | /**
|
---|
603 | * Determines if JOSM is configured to access OSM API via OAuth
|
---|
604 | * @return {@code true} if JOSM is configured to access OSM API via OAuth, {@code false} otherwise
|
---|
605 | * @since 6349
|
---|
606 | */
|
---|
607 | public static boolean isUsingOAuth() {
|
---|
608 | return "oauth".equals(getAuthMethod());
|
---|
609 | }
|
---|
610 |
|
---|
611 | /**
|
---|
612 | * Returns the authentication method set in the preferences
|
---|
613 | * @return the authentication method
|
---|
614 | */
|
---|
615 | public static String getAuthMethod() {
|
---|
616 | return Config.getPref().get("osm-server.auth-method", "oauth");
|
---|
617 | }
|
---|
618 |
|
---|
619 | protected final String sendRequest(String requestMethod, String urlSuffix, String requestBody, ProgressMonitor monitor)
|
---|
620 | throws OsmTransferException {
|
---|
621 | return sendRequest(requestMethod, urlSuffix, requestBody, monitor, true, false);
|
---|
622 | }
|
---|
623 |
|
---|
624 | /**
|
---|
625 | * Generic method for sending requests to the OSM API.
|
---|
626 | *
|
---|
627 | * This method will automatically re-try any requests that are answered with a 5xx
|
---|
628 | * error code, or that resulted in a timeout exception from the TCP layer.
|
---|
629 | *
|
---|
630 | * @param requestMethod The http method used when talking with the server.
|
---|
631 | * @param urlSuffix The suffix to add at the server url, not including the version number,
|
---|
632 | * but including any object ids (e.g. "/way/1234/history").
|
---|
633 | * @param requestBody the body of the HTTP request, if any.
|
---|
634 | * @param monitor the progress monitor
|
---|
635 | * @param doAuthenticate set to true, if the request sent to the server shall include authentication
|
---|
636 | * credentials;
|
---|
637 | * @param fastFail true to request a short timeout
|
---|
638 | *
|
---|
639 | * @return the body of the HTTP response, if and only if the response code was "200 OK".
|
---|
640 | * @throws OsmTransferException if the HTTP return code was not 200 (and retries have
|
---|
641 | * been exhausted), or rewrapping a Java exception.
|
---|
642 | */
|
---|
643 | protected final String sendRequest(String requestMethod, String urlSuffix, String requestBody, ProgressMonitor monitor,
|
---|
644 | boolean doAuthenticate, boolean fastFail) throws OsmTransferException {
|
---|
645 | int retries = fastFail ? 0 : getMaxRetries();
|
---|
646 |
|
---|
647 | while (true) { // the retry loop
|
---|
648 | try {
|
---|
649 | url = new URL(new URL(getBaseUrl()), urlSuffix);
|
---|
650 | final HttpClient client = HttpClient.create(url, requestMethod).keepAlive(false);
|
---|
651 | activeConnection = client;
|
---|
652 | if (fastFail) {
|
---|
653 | client.setConnectTimeout(1000);
|
---|
654 | client.setReadTimeout(1000);
|
---|
655 | } else {
|
---|
656 | // use default connect timeout from org.openstreetmap.josm.tools.HttpClient.connectTimeout
|
---|
657 | client.setReadTimeout(0);
|
---|
658 | }
|
---|
659 | if (doAuthenticate) {
|
---|
660 | addAuth(client);
|
---|
661 | }
|
---|
662 |
|
---|
663 | if ("PUT".equals(requestMethod) || "POST".equals(requestMethod) || "DELETE".equals(requestMethod)) {
|
---|
664 | client.setHeader("Content-Type", "text/xml");
|
---|
665 | // It seems that certain bits of the Ruby API are very unhappy upon
|
---|
666 | // receipt of a PUT/POST message without a Content-length header,
|
---|
667 | // even if the request has no payload.
|
---|
668 | // Since Java will not generate a Content-length header unless
|
---|
669 | // we use the output stream, we create an output stream for PUT/POST
|
---|
670 | // even if there is no payload.
|
---|
671 | client.setRequestBody((requestBody != null ? requestBody : "").getBytes(StandardCharsets.UTF_8));
|
---|
672 | }
|
---|
673 |
|
---|
674 | final HttpClient.Response response = client.connect();
|
---|
675 | Logging.info(response.getResponseMessage());
|
---|
676 | int retCode = response.getResponseCode();
|
---|
677 |
|
---|
678 | if (retCode >= 500 && retries-- > 0) {
|
---|
679 | sleepAndListen(retries, monitor);
|
---|
680 | Logging.info(tr("Starting retry {0} of {1}.", getMaxRetries() - retries, getMaxRetries()));
|
---|
681 | continue;
|
---|
682 | }
|
---|
683 |
|
---|
684 | final String responseBody = response.fetchContent();
|
---|
685 |
|
---|
686 | String errorHeader = null;
|
---|
687 | // Look for a detailed error message from the server
|
---|
688 | if (response.getHeaderField("Error") != null) {
|
---|
689 | errorHeader = response.getHeaderField("Error");
|
---|
690 | Logging.error("Error header: " + errorHeader);
|
---|
691 | } else if (retCode != HttpURLConnection.HTTP_OK && responseBody.length() > 0) {
|
---|
692 | Logging.error("Error body: " + responseBody);
|
---|
693 | }
|
---|
694 | activeConnection.disconnect();
|
---|
695 |
|
---|
696 | errorHeader = errorHeader == null ? null : errorHeader.trim();
|
---|
697 | String errorBody = responseBody.length() == 0 ? null : responseBody.trim();
|
---|
698 | switch(retCode) {
|
---|
699 | case HttpURLConnection.HTTP_OK:
|
---|
700 | return responseBody;
|
---|
701 | case HttpURLConnection.HTTP_GONE:
|
---|
702 | throw new OsmApiPrimitiveGoneException(errorHeader, errorBody);
|
---|
703 | case HttpURLConnection.HTTP_CONFLICT:
|
---|
704 | if (ChangesetClosedException.errorHeaderMatchesPattern(errorHeader))
|
---|
705 | throw new ChangesetClosedException(errorBody, ChangesetClosedException.Source.UPLOAD_DATA);
|
---|
706 | else
|
---|
707 | throw new OsmApiException(retCode, errorHeader, errorBody);
|
---|
708 | case HttpURLConnection.HTTP_UNAUTHORIZED:
|
---|
709 | case HttpURLConnection.HTTP_FORBIDDEN:
|
---|
710 | CredentialsManager.getInstance().purgeCredentialsCache(RequestorType.SERVER);
|
---|
711 | throw new OsmApiException(retCode, errorHeader, errorBody, activeConnection.getURL().toString(),
|
---|
712 | doAuthenticate ? retrieveBasicAuthorizationLogin(client) : null);
|
---|
713 | default:
|
---|
714 | throw new OsmApiException(retCode, errorHeader, errorBody);
|
---|
715 | }
|
---|
716 | } catch (SocketTimeoutException | ConnectException e) {
|
---|
717 | if (retries-- > 0) {
|
---|
718 | continue;
|
---|
719 | }
|
---|
720 | throw new OsmTransferException(e);
|
---|
721 | } catch (IOException e) {
|
---|
722 | throw new OsmTransferException(e);
|
---|
723 | } catch (OsmTransferException e) {
|
---|
724 | throw e;
|
---|
725 | }
|
---|
726 | }
|
---|
727 | }
|
---|
728 |
|
---|
729 | /**
|
---|
730 | * Replies the API capabilities.
|
---|
731 | *
|
---|
732 | * @return the API capabilities, or null, if the API is not initialized yet
|
---|
733 | */
|
---|
734 | public synchronized Capabilities getCapabilities() {
|
---|
735 | return capabilities;
|
---|
736 | }
|
---|
737 |
|
---|
738 | /**
|
---|
739 | * Ensures that the current changeset can be used for uploading data
|
---|
740 | *
|
---|
741 | * @throws OsmTransferException if the current changeset can't be used for uploading data
|
---|
742 | */
|
---|
743 | protected void ensureValidChangeset() throws OsmTransferException {
|
---|
744 | if (changeset == null)
|
---|
745 | throw new OsmTransferException(tr("Current changeset is null. Cannot upload data."));
|
---|
746 | if (changeset.getId() <= 0)
|
---|
747 | throw new OsmTransferException(tr("ID of current changeset > 0 required. Current ID is {0}.", changeset.getId()));
|
---|
748 | }
|
---|
749 |
|
---|
750 | /**
|
---|
751 | * Replies the changeset data uploads are currently directed to
|
---|
752 | *
|
---|
753 | * @return the changeset data uploads are currently directed to
|
---|
754 | */
|
---|
755 | public Changeset getChangeset() {
|
---|
756 | return changeset;
|
---|
757 | }
|
---|
758 |
|
---|
759 | /**
|
---|
760 | * Sets the changesets to which further data uploads are directed. The changeset
|
---|
761 | * can be null. If it isn't null it must have been created, i.e. id > 0 is required. Furthermore,
|
---|
762 | * it must be open.
|
---|
763 | *
|
---|
764 | * @param changeset the changeset
|
---|
765 | * @throws IllegalArgumentException if changeset.getId() <= 0
|
---|
766 | * @throws IllegalArgumentException if !changeset.isOpen()
|
---|
767 | */
|
---|
768 | public void setChangeset(Changeset changeset) {
|
---|
769 | if (changeset == null) {
|
---|
770 | this.changeset = null;
|
---|
771 | return;
|
---|
772 | }
|
---|
773 | if (changeset.getId() <= 0)
|
---|
774 | throw new IllegalArgumentException(tr("Changeset ID > 0 expected. Got {0}.", changeset.getId()));
|
---|
775 | if (!changeset.isOpen())
|
---|
776 | throw new IllegalArgumentException(tr("Open changeset expected. Got closed changeset with id {0}.", changeset.getId()));
|
---|
777 | this.changeset = changeset;
|
---|
778 | }
|
---|
779 |
|
---|
780 | private static StringBuilder noteStringBuilder(Note note) {
|
---|
781 | return new StringBuilder().append("notes/").append(note.getId());
|
---|
782 | }
|
---|
783 |
|
---|
784 | /**
|
---|
785 | * Create a new note on the server.
|
---|
786 | * @param latlon Location of note
|
---|
787 | * @param text Comment entered by user to open the note
|
---|
788 | * @param monitor Progress monitor
|
---|
789 | * @return Note as it exists on the server after creation (ID assigned)
|
---|
790 | * @throws OsmTransferException if any error occurs during dialog with OSM API
|
---|
791 | */
|
---|
792 | public Note createNote(LatLon latlon, String text, ProgressMonitor monitor) throws OsmTransferException {
|
---|
793 | initialize(monitor);
|
---|
794 | String noteUrl = new StringBuilder()
|
---|
795 | .append("notes?lat=")
|
---|
796 | .append(latlon.lat())
|
---|
797 | .append("&lon=")
|
---|
798 | .append(latlon.lon())
|
---|
799 | .append("&text=")
|
---|
800 | .append(Utils.encodeUrl(text)).toString();
|
---|
801 |
|
---|
802 | String response = sendRequest("POST", noteUrl, null, monitor, true, false);
|
---|
803 | return parseSingleNote(response);
|
---|
804 | }
|
---|
805 |
|
---|
806 | /**
|
---|
807 | * Add a comment to an existing note.
|
---|
808 | * @param note The note to add a comment to
|
---|
809 | * @param comment Text of the comment
|
---|
810 | * @param monitor Progress monitor
|
---|
811 | * @return Note returned by the API after the comment was added
|
---|
812 | * @throws OsmTransferException if any error occurs during dialog with OSM API
|
---|
813 | */
|
---|
814 | public Note addCommentToNote(Note note, String comment, ProgressMonitor monitor) throws OsmTransferException {
|
---|
815 | initialize(monitor);
|
---|
816 | String noteUrl = noteStringBuilder(note)
|
---|
817 | .append("/comment?text=")
|
---|
818 | .append(Utils.encodeUrl(comment)).toString();
|
---|
819 |
|
---|
820 | String response = sendRequest("POST", noteUrl, null, monitor, true, false);
|
---|
821 | return parseSingleNote(response);
|
---|
822 | }
|
---|
823 |
|
---|
824 | /**
|
---|
825 | * Close a note.
|
---|
826 | * @param note Note to close. Must currently be open
|
---|
827 | * @param closeMessage Optional message supplied by the user when closing the note
|
---|
828 | * @param monitor Progress monitor
|
---|
829 | * @return Note returned by the API after the close operation
|
---|
830 | * @throws OsmTransferException if any error occurs during dialog with OSM API
|
---|
831 | */
|
---|
832 | public Note closeNote(Note note, String closeMessage, ProgressMonitor monitor) throws OsmTransferException {
|
---|
833 | initialize(monitor);
|
---|
834 | String encodedMessage = Utils.encodeUrl(closeMessage);
|
---|
835 | StringBuilder urlBuilder = noteStringBuilder(note)
|
---|
836 | .append("/close");
|
---|
837 | if (!encodedMessage.trim().isEmpty()) {
|
---|
838 | urlBuilder.append("?text=");
|
---|
839 | urlBuilder.append(encodedMessage);
|
---|
840 | }
|
---|
841 |
|
---|
842 | String response = sendRequest("POST", urlBuilder.toString(), null, monitor, true, false);
|
---|
843 | return parseSingleNote(response);
|
---|
844 | }
|
---|
845 |
|
---|
846 | /**
|
---|
847 | * Reopen a closed note
|
---|
848 | * @param note Note to reopen. Must currently be closed
|
---|
849 | * @param reactivateMessage Optional message supplied by the user when reopening the note
|
---|
850 | * @param monitor Progress monitor
|
---|
851 | * @return Note returned by the API after the reopen operation
|
---|
852 | * @throws OsmTransferException if any error occurs during dialog with OSM API
|
---|
853 | */
|
---|
854 | public Note reopenNote(Note note, String reactivateMessage, ProgressMonitor monitor) throws OsmTransferException {
|
---|
855 | initialize(monitor);
|
---|
856 | String encodedMessage = Utils.encodeUrl(reactivateMessage);
|
---|
857 | StringBuilder urlBuilder = noteStringBuilder(note)
|
---|
858 | .append("/reopen");
|
---|
859 | if (!encodedMessage.trim().isEmpty()) {
|
---|
860 | urlBuilder.append("?text=");
|
---|
861 | urlBuilder.append(encodedMessage);
|
---|
862 | }
|
---|
863 |
|
---|
864 | String response = sendRequest("POST", urlBuilder.toString(), null, monitor, true, false);
|
---|
865 | return parseSingleNote(response);
|
---|
866 | }
|
---|
867 |
|
---|
868 | /**
|
---|
869 | * Method for parsing API responses for operations on individual notes
|
---|
870 | * @param xml the API response as XML data
|
---|
871 | * @return the resulting Note
|
---|
872 | * @throws OsmTransferException if the API response cannot be parsed
|
---|
873 | */
|
---|
874 | private static Note parseSingleNote(String xml) throws OsmTransferException {
|
---|
875 | try {
|
---|
876 | List<Note> newNotes = new NoteReader(xml).parse();
|
---|
877 | if (newNotes.size() == 1) {
|
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878 | return newNotes.get(0);
|
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879 | }
|
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880 | // Shouldn't ever execute. Server will either respond with an error (caught elsewhere) or one note
|
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881 | throw new OsmTransferException(tr("Note upload failed"));
|
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882 | } catch (SAXException | IOException e) {
|
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883 | Logging.error(e);
|
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884 | throw new OsmTransferException(tr("Error parsing note response from server"), e);
|
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885 | }
|
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886 | }
|
---|
887 | }
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