1 | //License: GPL. See README for details.
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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.BufferedReader;
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8 | import java.io.BufferedWriter;
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9 | import java.io.IOException;
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10 | import java.io.InputStream;
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11 | import java.io.InputStreamReader;
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12 | import java.io.OutputStream;
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13 | import java.io.OutputStreamWriter;
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14 | import java.io.PrintWriter;
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15 | import java.io.StringReader;
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16 | import java.io.StringWriter;
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17 | import java.net.ConnectException;
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18 | import java.net.HttpURLConnection;
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19 | import java.net.MalformedURLException;
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20 | import java.net.SocketTimeoutException;
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21 | import java.net.URL;
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22 | import java.net.UnknownHostException;
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23 | import java.util.Collection;
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24 | import java.util.Collections;
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25 | import java.util.HashMap;
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26 | import java.util.Map;
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27 |
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28 | import javax.xml.parsers.ParserConfigurationException;
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29 | import javax.xml.parsers.SAXParserFactory;
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30 |
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31 | import org.openstreetmap.josm.Main;
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32 | import org.openstreetmap.josm.data.osm.Changeset;
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33 | import org.openstreetmap.josm.data.osm.IPrimitive;
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34 | import org.openstreetmap.josm.data.osm.OsmPrimitiveType;
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35 | import org.openstreetmap.josm.gui.layer.ImageryLayer;
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36 | import org.openstreetmap.josm.gui.layer.Layer;
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37 | import org.openstreetmap.josm.gui.progress.NullProgressMonitor;
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38 | import org.openstreetmap.josm.gui.progress.ProgressMonitor;
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39 | import org.openstreetmap.josm.tools.CheckParameterUtil;
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40 | import org.openstreetmap.josm.tools.Utils;
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41 | import org.openstreetmap.josm.tools.XmlParsingException;
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42 | import org.xml.sax.Attributes;
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43 | import org.xml.sax.InputSource;
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44 | import org.xml.sax.SAXException;
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45 | import org.xml.sax.SAXParseException;
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46 | import org.xml.sax.helpers.DefaultHandler;
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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 | *
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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 Map<String, OsmApi> instances = new HashMap<String, OsmApi>();
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80 |
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81 | private URL url = null;
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82 |
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83 | /**
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84 | * Replies the {@link OsmApi} for a given server URL
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85 | *
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86 | * @param serverUrl the server URL
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87 | * @return the OsmApi
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88 | * @throws IllegalArgumentException thrown, if serverUrl is null
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89 | *
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90 | */
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91 | public static OsmApi getOsmApi(String serverUrl) {
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92 | OsmApi api = instances.get(serverUrl);
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93 | if (api == null) {
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94 | api = new OsmApi(serverUrl);
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95 | instances.put(serverUrl,api);
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96 | }
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97 | return api;
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98 | }
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99 |
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100 | /**
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101 | * Replies the {@link OsmApi} for the URL given by the preference <code>osm-server.url</code>
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102 | *
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103 | * @return the OsmApi
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104 | */
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105 | public static OsmApi getOsmApi() {
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106 | String serverUrl = Main.pref.get("osm-server.url", DEFAULT_API_URL);
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107 | return getOsmApi(serverUrl);
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108 | }
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109 |
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110 | /** the server URL */
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111 | private String serverUrl;
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112 |
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113 | /**
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114 | * Object describing current changeset
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115 | */
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116 | private Changeset changeset;
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117 |
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118 | /**
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119 | * API version used for server communications
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120 | */
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121 | private String version = null;
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122 |
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123 | /** the api capabilities */
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124 | private Capabilities capabilities = new Capabilities();
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125 |
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126 | /**
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127 | * true if successfully initialized
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128 | */
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129 | private boolean initialized = false;
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130 |
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131 | /**
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132 | * A parser for the "capabilities" response XML
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133 | */
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134 | private class CapabilitiesParser extends DefaultHandler {
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135 | @Override
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136 | public void startDocument() throws SAXException {
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137 | capabilities.clear();
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138 | }
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139 |
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140 | @Override public void startElement(String namespaceURI, String localName, String qName, Attributes atts) throws SAXException {
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141 | for (int i=0; i< atts.getLength(); i++) {
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142 | capabilities.put(qName, atts.getQName(i), atts.getValue(i));
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143 | }
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144 | }
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145 | }
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146 |
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147 | /**
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148 | * creates an OSM api for a specific server URL
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149 | *
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150 | * @param serverUrl the server URL. Must not be null
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151 | * @throws IllegalArgumentException thrown, if serverUrl is null
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152 | */
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153 | protected OsmApi(String serverUrl) {
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154 | CheckParameterUtil.ensureParameterNotNull(serverUrl, "serverUrl");
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155 | this.serverUrl = serverUrl;
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156 | }
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157 |
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158 | /**
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159 | * Replies the OSM protocol version we use to talk to the server.
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160 | * @return protocol version, or null if not yet negotiated.
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161 | */
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162 | public String getVersion() {
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163 | return version;
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164 | }
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165 |
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166 | /**
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167 | * Replies the host name of the server URL.
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168 | * @return the host name of the server URL, or null if the server URL is malformed.
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169 | */
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170 | public String getHost() {
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171 | String host = null;
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172 | try {
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173 | host = (new URL(serverUrl)).getHost();
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174 | } catch (MalformedURLException e) {
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175 | Main.warn(e);
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176 | }
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177 | return host;
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178 | }
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179 |
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180 | private class CapabilitiesCache extends CacheCustomContent<OsmTransferException> {
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181 |
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182 | ProgressMonitor monitor;
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183 | boolean fastFail;
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184 |
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185 | public CapabilitiesCache(ProgressMonitor monitor, boolean fastFail) {
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186 | super("capabilities" + getBaseUrl().hashCode(), CacheCustomContent.INTERVAL_WEEKLY);
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187 | this.monitor = monitor;
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188 | this.fastFail = fastFail;
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189 | }
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190 |
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191 | @Override
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192 | protected byte[] updateData() throws OsmTransferException {
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193 | return sendRequest("GET", "capabilities", null, monitor, false, fastFail).getBytes(Utils.UTF_8);
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194 | }
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195 | }
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196 |
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197 | /**
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198 | * Initializes this component by negotiating a protocol version with the server.
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199 | *
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200 | * @param monitor the progress monitor
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201 | * @throws OsmTransferCanceledException If the initialisation has been cancelled by user.
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202 | * @throws OsmApiInitializationException If any other exception occurs. Use getCause() to get the original exception.
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203 | */
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204 | public void initialize(ProgressMonitor monitor) throws OsmTransferCanceledException, OsmApiInitializationException {
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205 | initialize(monitor, false);
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206 | }
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207 |
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208 | /**
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209 | * Initializes this component by negotiating a protocol version with the server, with the ability to control the timeout.
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210 | *
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211 | * @param monitor the progress monitor
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212 | * @param fastFail true to request quick initialisation with a small timeout (more likely to throw exception)
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213 | * @throws OsmTransferCanceledException If the initialisation has been cancelled by user.
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214 | * @throws OsmApiInitializationException If any other exception occurs. Use getCause() to get the original exception.
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215 | */
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216 | public void initialize(ProgressMonitor monitor, boolean fastFail) throws OsmTransferCanceledException, OsmApiInitializationException {
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217 | if (initialized)
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218 | return;
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219 | cancel = false;
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220 | try {
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221 | CapabilitiesCache cache = new CapabilitiesCache(monitor, fastFail);
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222 | try {
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223 | initializeCapabilities(cache.updateIfRequiredString());
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224 | } catch (SAXParseException parseException) {
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225 | // XML parsing may fail if JOSM previously stored a corrupted capabilities document (see #8278)
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226 | // In that case, force update and try again
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227 | initializeCapabilities(cache.updateForceString());
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228 | }
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229 | if (capabilities.supportsVersion("0.6")) {
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230 | version = "0.6";
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231 | } else {
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232 | Main.error(tr("This version of JOSM is incompatible with the configured server."));
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233 | Main.error(tr("It supports protocol version 0.6, while the server says it supports {0} to {1}.",
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234 | capabilities.get("version", "minimum"), capabilities.get("version", "maximum")));
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235 | initialized = false; // FIXME gets overridden by next assignment
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236 | }
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237 | initialized = true;
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238 |
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239 | /* This is an interim solution for openstreetmap.org not currently
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240 | * transmitting their imagery blacklist in the capabilities call.
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241 | * remove this as soon as openstreetmap.org adds blacklists.
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242 | * If you want to update this list, please ask for update of
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243 | * http://trac.openstreetmap.org/ticket/5024
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244 | * This list should not be maintained by each OSM editor (see #9210) */
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245 | if (this.serverUrl.matches(".*openstreetmap.org/api.*") && capabilities.getImageryBlacklist().isEmpty())
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246 | {
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247 | capabilities.put("blacklist", "regex", ".*\\.google\\.com/.*");
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248 | capabilities.put("blacklist", "regex", ".*209\\.85\\.2\\d\\d.*");
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249 | capabilities.put("blacklist", "regex", ".*209\\.85\\.1[3-9]\\d.*");
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250 | capabilities.put("blacklist", "regex", ".*209\\.85\\.12[89].*");
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251 | }
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252 |
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253 | /* This checks if there are any layers currently displayed that
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254 | * are now on the blacklist, and removes them. This is a rare
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255 | * situation - probably only occurs if the user changes the API URL
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256 | * in the preferences menu. Otherwise they would not have been able
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257 | * to load the layers in the first place becuase they would have
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258 | * been disabled! */
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259 | if (Main.isDisplayingMapView()) {
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260 | for (Layer l : Main.map.mapView.getLayersOfType(ImageryLayer.class)) {
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261 | if (((ImageryLayer) l).getInfo().isBlacklisted()) {
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262 | Main.info(tr("Removed layer {0} because it is not allowed by the configured API.", l.getName()));
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263 | Main.main.removeLayer(l);
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264 | }
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265 | }
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266 | }
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267 |
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268 | } catch (OsmTransferCanceledException e) {
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269 | throw e;
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270 | } catch (OsmTransferException e) {
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271 | initialized = false;
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272 | Main.addNetworkError(url, Utils.getRootCause(e));
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273 | throw new OsmApiInitializationException(e);
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274 | } catch (Exception e) {
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275 | initialized = false;
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276 | throw new OsmApiInitializationException(e);
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277 | }
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278 | }
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279 |
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280 | private void initializeCapabilities(String xml) throws SAXException, IOException, ParserConfigurationException {
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281 | InputSource inputSource = new InputSource(new StringReader(xml));
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282 | SAXParserFactory.newInstance().newSAXParser().parse(inputSource, new CapabilitiesParser());
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283 | }
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284 |
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285 | /**
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286 | * Makes an XML string from an OSM primitive. Uses the OsmWriter class.
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287 | * @param o the OSM primitive
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288 | * @param addBody true to generate the full XML, false to only generate the encapsulating tag
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289 | * @return XML string
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290 | */
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291 | private String toXml(IPrimitive o, boolean addBody) {
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292 | StringWriter swriter = new StringWriter();
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293 | OsmWriter osmWriter = OsmWriterFactory.createOsmWriter(new PrintWriter(swriter), true, version);
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294 | swriter.getBuffer().setLength(0);
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295 | osmWriter.setWithBody(addBody);
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296 | osmWriter.setChangeset(changeset);
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297 | osmWriter.header();
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298 | o.accept(osmWriter);
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299 | osmWriter.footer();
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300 | osmWriter.flush();
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301 | return swriter.toString();
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302 | }
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303 |
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304 | /**
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305 | * Makes an XML string from an OSM primitive. Uses the OsmWriter class.
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306 | * @param s the changeset
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307 | * @return XML string
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308 | */
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309 | private String toXml(Changeset s) {
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310 | StringWriter swriter = new StringWriter();
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311 | OsmWriter osmWriter = OsmWriterFactory.createOsmWriter(new PrintWriter(swriter), true, version);
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312 | swriter.getBuffer().setLength(0);
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313 | osmWriter.header();
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314 | osmWriter.visit(s);
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315 | osmWriter.footer();
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316 | osmWriter.flush();
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317 | return swriter.toString();
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318 | }
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319 |
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320 | /**
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321 | * Returns the base URL for API requests, including the negotiated version number.
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322 | * @return base URL string
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323 | */
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324 | public String getBaseUrl() {
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325 | StringBuilder rv = new StringBuilder(serverUrl);
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326 | if (version != null) {
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327 | rv.append("/");
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328 | rv.append(version);
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329 | }
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330 | rv.append("/");
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331 | // this works around a ruby (or lighttpd) bug where two consecutive slashes in
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332 | // an URL will cause a "404 not found" response.
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333 | int p; while ((p = rv.indexOf("//", rv.indexOf("://")+2)) > -1) { rv.delete(p, p + 1); }
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334 | return rv.toString();
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335 | }
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336 |
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337 | /**
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338 | * Creates an OSM primitive on the server. The OsmPrimitive object passed in
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339 | * is modified by giving it the server-assigned id.
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340 | *
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341 | * @param osm the primitive
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342 | * @param monitor the progress monitor
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343 | * @throws OsmTransferException if something goes wrong
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344 | */
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345 | public void createPrimitive(IPrimitive osm, ProgressMonitor monitor) throws OsmTransferException {
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346 | String ret = "";
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347 | try {
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348 | ensureValidChangeset();
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349 | initialize(monitor);
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350 | ret = sendRequest("PUT", OsmPrimitiveType.from(osm).getAPIName()+"/create", toXml(osm, true),monitor);
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351 | osm.setOsmId(Long.parseLong(ret.trim()), 1);
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352 | osm.setChangesetId(getChangeset().getId());
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353 | } catch(NumberFormatException e){
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354 | throw new OsmTransferException(tr("Unexpected format of ID replied by the server. Got ''{0}''.", ret));
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355 | }
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356 | }
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357 |
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358 | /**
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359 | * Modifies an OSM primitive on the server.
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360 | *
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361 | * @param osm the primitive. Must not be null.
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362 | * @param monitor the progress monitor
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363 | * @throws OsmTransferException if something goes wrong
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364 | */
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365 | public void modifyPrimitive(IPrimitive osm, ProgressMonitor monitor) throws OsmTransferException {
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366 | String ret = null;
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367 | try {
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368 | ensureValidChangeset();
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369 | initialize(monitor);
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370 | // normal mode (0.6 and up) returns new object version.
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371 | ret = sendRequest("PUT", OsmPrimitiveType.from(osm).getAPIName()+"/" + osm.getId(), toXml(osm, true), monitor);
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372 | osm.setOsmId(osm.getId(), Integer.parseInt(ret.trim()));
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373 | osm.setChangesetId(getChangeset().getId());
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374 | osm.setVisible(true);
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375 | } catch(NumberFormatException e) {
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376 | throw new OsmTransferException(tr("Unexpected format of new version of modified primitive ''{0}''. Got ''{1}''.", osm.getId(), ret));
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377 | }
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378 | }
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379 |
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380 | /**
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381 | * Deletes an OSM primitive on the server.
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382 | * @param osm the primitive
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383 | * @param monitor the progress monitor
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384 | * @throws OsmTransferException if something goes wrong
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385 | */
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386 | public void deletePrimitive(IPrimitive osm, ProgressMonitor monitor) throws OsmTransferException {
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387 | ensureValidChangeset();
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388 | initialize(monitor);
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389 | // can't use a the individual DELETE method in the 0.6 API. Java doesn't allow
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390 | // submitting a DELETE request with content, the 0.6 API requires it, however. Falling back
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391 | // to diff upload.
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392 | //
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393 | uploadDiff(Collections.singleton(osm), monitor.createSubTaskMonitor(ProgressMonitor.ALL_TICKS, false));
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394 | }
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395 |
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396 | /**
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397 | * Creates a new changeset based on the keys in <code>changeset</code>. If this
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398 | * method succeeds, changeset.getId() replies the id the server assigned to the new
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399 | * changeset
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400 | *
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401 | * The changeset must not be null, but its key/value-pairs may be empty.
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402 | *
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403 | * @param changeset the changeset toe be created. Must not be null.
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404 | * @param progressMonitor the progress monitor
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405 | * @throws OsmTransferException signifying a non-200 return code, or connection errors
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406 | * @throws IllegalArgumentException thrown if changeset is null
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407 | */
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408 | public void openChangeset(Changeset changeset, ProgressMonitor progressMonitor) throws OsmTransferException {
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409 | CheckParameterUtil.ensureParameterNotNull(changeset, "changeset");
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410 | try {
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411 | progressMonitor.beginTask((tr("Creating changeset...")));
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412 | initialize(progressMonitor);
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413 | String ret = "";
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414 | try {
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415 | ret = sendRequest("PUT", "changeset/create", toXml(changeset),progressMonitor);
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416 | changeset.setId(Integer.parseInt(ret.trim()));
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417 | changeset.setOpen(true);
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418 | } catch(NumberFormatException e){
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419 | throw new OsmTransferException(tr("Unexpected format of ID replied by the server. Got ''{0}''.", ret));
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420 | }
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421 | progressMonitor.setCustomText((tr("Successfully opened changeset {0}",changeset.getId())));
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422 | } finally {
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423 | progressMonitor.finishTask();
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424 | }
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425 | }
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426 |
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427 | /**
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428 | * Updates a changeset with the keys in <code>changesetUpdate</code>. The changeset must not
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429 | * be null and id > 0 must be true.
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430 | *
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431 | * @param changeset the changeset to update. Must not be null.
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432 | * @param monitor the progress monitor. If null, uses the {@link NullProgressMonitor#INSTANCE}.
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433 | *
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434 | * @throws OsmTransferException if something goes wrong.
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435 | * @throws IllegalArgumentException if changeset is null
|
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436 | * @throws IllegalArgumentException if changeset.getId() <= 0
|
---|
437 | *
|
---|
438 | */
|
---|
439 | public void updateChangeset(Changeset changeset, ProgressMonitor monitor) throws OsmTransferException {
|
---|
440 | CheckParameterUtil.ensureParameterNotNull(changeset, "changeset");
|
---|
441 | if (monitor == null) {
|
---|
442 | monitor = NullProgressMonitor.INSTANCE;
|
---|
443 | }
|
---|
444 | if (changeset.getId() <= 0)
|
---|
445 | throw new IllegalArgumentException(tr("Changeset ID > 0 expected. Got {0}.", changeset.getId()));
|
---|
446 | try {
|
---|
447 | monitor.beginTask(tr("Updating changeset..."));
|
---|
448 | initialize(monitor);
|
---|
449 | monitor.setCustomText(tr("Updating changeset {0}...", changeset.getId()));
|
---|
450 | sendRequest(
|
---|
451 | "PUT",
|
---|
452 | "changeset/" + changeset.getId(),
|
---|
453 | toXml(changeset),
|
---|
454 | monitor
|
---|
455 | );
|
---|
456 | } catch(ChangesetClosedException e) {
|
---|
457 | e.setSource(ChangesetClosedException.Source.UPDATE_CHANGESET);
|
---|
458 | throw e;
|
---|
459 | } catch(OsmApiException e) {
|
---|
460 | if (e.getResponseCode() == HttpURLConnection.HTTP_CONFLICT && ChangesetClosedException.errorHeaderMatchesPattern(e.getErrorHeader()))
|
---|
461 | throw new ChangesetClosedException(e.getErrorHeader(), ChangesetClosedException.Source.UPDATE_CHANGESET);
|
---|
462 | throw e;
|
---|
463 | } finally {
|
---|
464 | monitor.finishTask();
|
---|
465 | }
|
---|
466 | }
|
---|
467 |
|
---|
468 | /**
|
---|
469 | * Closes a changeset on the server. Sets changeset.setOpen(false) if this operation succeeds.
|
---|
470 | *
|
---|
471 | * @param changeset the changeset to be closed. Must not be null. changeset.getId() > 0 required.
|
---|
472 | * @param monitor the progress monitor. If null, uses {@link NullProgressMonitor#INSTANCE}
|
---|
473 | *
|
---|
474 | * @throws OsmTransferException if something goes wrong.
|
---|
475 | * @throws IllegalArgumentException thrown if changeset is null
|
---|
476 | * @throws IllegalArgumentException thrown if changeset.getId() <= 0
|
---|
477 | */
|
---|
478 | public void closeChangeset(Changeset changeset, ProgressMonitor monitor) throws OsmTransferException {
|
---|
479 | CheckParameterUtil.ensureParameterNotNull(changeset, "changeset");
|
---|
480 | if (monitor == null) {
|
---|
481 | monitor = NullProgressMonitor.INSTANCE;
|
---|
482 | }
|
---|
483 | if (changeset.getId() <= 0)
|
---|
484 | throw new IllegalArgumentException(tr("Changeset ID > 0 expected. Got {0}.", changeset.getId()));
|
---|
485 | try {
|
---|
486 | monitor.beginTask(tr("Closing changeset..."));
|
---|
487 | initialize(monitor);
|
---|
488 | /* send "\r\n" instead of empty string, so we don't send zero payload - works around bugs
|
---|
489 | in proxy software */
|
---|
490 | sendRequest("PUT", "changeset" + "/" + changeset.getId() + "/close", "\r\n", monitor);
|
---|
491 | changeset.setOpen(false);
|
---|
492 | } finally {
|
---|
493 | monitor.finishTask();
|
---|
494 | }
|
---|
495 | }
|
---|
496 |
|
---|
497 | /**
|
---|
498 | * Uploads a list of changes in "diff" form to the server.
|
---|
499 | *
|
---|
500 | * @param list the list of changed OSM Primitives
|
---|
501 | * @param monitor the progress monitor
|
---|
502 | * @return list of processed primitives
|
---|
503 | * @throws OsmTransferException if something is wrong
|
---|
504 | */
|
---|
505 | public Collection<IPrimitive> uploadDiff(Collection<? extends IPrimitive> list, ProgressMonitor monitor) throws OsmTransferException {
|
---|
506 | try {
|
---|
507 | monitor.beginTask("", list.size() * 2);
|
---|
508 | if (changeset == null)
|
---|
509 | throw new OsmTransferException(tr("No changeset present for diff upload."));
|
---|
510 |
|
---|
511 | initialize(monitor);
|
---|
512 |
|
---|
513 | // prepare upload request
|
---|
514 | //
|
---|
515 | OsmChangeBuilder changeBuilder = new OsmChangeBuilder(changeset);
|
---|
516 | monitor.subTask(tr("Preparing upload request..."));
|
---|
517 | changeBuilder.start();
|
---|
518 | changeBuilder.append(list);
|
---|
519 | changeBuilder.finish();
|
---|
520 | String diffUploadRequest = changeBuilder.getDocument();
|
---|
521 |
|
---|
522 | // Upload to the server
|
---|
523 | //
|
---|
524 | monitor.indeterminateSubTask(
|
---|
525 | trn("Uploading {0} object...", "Uploading {0} objects...", list.size(), list.size()));
|
---|
526 | String diffUploadResponse = sendRequest("POST", "changeset/" + changeset.getId() + "/upload", diffUploadRequest,monitor);
|
---|
527 |
|
---|
528 | // Process the response from the server
|
---|
529 | //
|
---|
530 | DiffResultProcessor reader = new DiffResultProcessor(list);
|
---|
531 | reader.parse(diffUploadResponse, monitor.createSubTaskMonitor(ProgressMonitor.ALL_TICKS, false));
|
---|
532 | return reader.postProcess(
|
---|
533 | getChangeset(),
|
---|
534 | monitor.createSubTaskMonitor(ProgressMonitor.ALL_TICKS, false)
|
---|
535 | );
|
---|
536 | } catch(OsmTransferException e) {
|
---|
537 | throw e;
|
---|
538 | } catch(XmlParsingException e) {
|
---|
539 | throw new OsmTransferException(e);
|
---|
540 | } finally {
|
---|
541 | monitor.finishTask();
|
---|
542 | }
|
---|
543 | }
|
---|
544 |
|
---|
545 | private void sleepAndListen(int retry, ProgressMonitor monitor) throws OsmTransferCanceledException {
|
---|
546 | Main.info(tr("Waiting 10 seconds ... "));
|
---|
547 | for (int i=0; i < 10; i++) {
|
---|
548 | if (monitor != null) {
|
---|
549 | monitor.setCustomText(tr("Starting retry {0} of {1} in {2} seconds ...", getMaxRetries() - retry,getMaxRetries(), 10-i));
|
---|
550 | }
|
---|
551 | if (cancel)
|
---|
552 | throw new OsmTransferCanceledException();
|
---|
553 | try {
|
---|
554 | Thread.sleep(1000);
|
---|
555 | } catch (InterruptedException ex) {
|
---|
556 | Main.warn("InterruptedException in "+getClass().getSimpleName()+" during sleep");
|
---|
557 | }
|
---|
558 | }
|
---|
559 | Main.info(tr("OK - trying again."));
|
---|
560 | }
|
---|
561 |
|
---|
562 | /**
|
---|
563 | * Replies the max. number of retries in case of 5XX errors on the server
|
---|
564 | *
|
---|
565 | * @return the max number of retries
|
---|
566 | */
|
---|
567 | protected int getMaxRetries() {
|
---|
568 | int ret = Main.pref.getInteger("osm-server.max-num-retries", DEFAULT_MAX_NUM_RETRIES);
|
---|
569 | return Math.max(ret,0);
|
---|
570 | }
|
---|
571 |
|
---|
572 | /**
|
---|
573 | * Determines if JOSM is configured to access OSM API via OAuth
|
---|
574 | * @return {@code true} if JOSM is configured to access OSM API via OAuth, {@code false} otherwise
|
---|
575 | * @since 6349
|
---|
576 | */
|
---|
577 | public static final boolean isUsingOAuth() {
|
---|
578 | return "oauth".equals(Main.pref.get("osm-server.auth-method", "basic"));
|
---|
579 | }
|
---|
580 |
|
---|
581 | protected final String sendRequest(String requestMethod, String urlSuffix,String requestBody, ProgressMonitor monitor) throws OsmTransferException {
|
---|
582 | return sendRequest(requestMethod, urlSuffix, requestBody, monitor, true, false);
|
---|
583 | }
|
---|
584 |
|
---|
585 | /**
|
---|
586 | * Generic method for sending requests to the OSM API.
|
---|
587 | *
|
---|
588 | * This method will automatically re-try any requests that are answered with a 5xx
|
---|
589 | * error code, or that resulted in a timeout exception from the TCP layer.
|
---|
590 | *
|
---|
591 | * @param requestMethod The http method used when talking with the server.
|
---|
592 | * @param urlSuffix The suffix to add at the server url, not including the version number,
|
---|
593 | * but including any object ids (e.g. "/way/1234/history").
|
---|
594 | * @param requestBody the body of the HTTP request, if any.
|
---|
595 | * @param monitor the progress monitor
|
---|
596 | * @param doAuthenticate set to true, if the request sent to the server shall include authentication
|
---|
597 | * credentials;
|
---|
598 | * @param fastFail true to request a short timeout
|
---|
599 | *
|
---|
600 | * @return the body of the HTTP response, if and only if the response code was "200 OK".
|
---|
601 | * @throws OsmTransferException if the HTTP return code was not 200 (and retries have
|
---|
602 | * been exhausted), or rewrapping a Java exception.
|
---|
603 | */
|
---|
604 | protected final String sendRequest(String requestMethod, String urlSuffix,String requestBody, ProgressMonitor monitor, boolean doAuthenticate, boolean fastFail) throws OsmTransferException {
|
---|
605 | StringBuilder responseBody = new StringBuilder();
|
---|
606 | int retries = fastFail ? 0 : getMaxRetries();
|
---|
607 |
|
---|
608 | while(true) { // the retry loop
|
---|
609 | try {
|
---|
610 | url = new URL(new URL(getBaseUrl()), urlSuffix);
|
---|
611 | Main.info(requestMethod + " " + url + "... ");
|
---|
612 | // fix #5369, see http://www.tikalk.com/java/forums/httpurlconnection-disable-keep-alive
|
---|
613 | activeConnection = Utils.openHttpConnection(url, false);
|
---|
614 | activeConnection.setConnectTimeout(fastFail ? 1000 : Main.pref.getInteger("socket.timeout.connect",15)*1000);
|
---|
615 | if (fastFail) {
|
---|
616 | activeConnection.setReadTimeout(1000);
|
---|
617 | }
|
---|
618 | activeConnection.setRequestMethod(requestMethod);
|
---|
619 | if (doAuthenticate) {
|
---|
620 | addAuth(activeConnection);
|
---|
621 | }
|
---|
622 |
|
---|
623 | if (requestMethod.equals("PUT") || requestMethod.equals("POST") || requestMethod.equals("DELETE")) {
|
---|
624 | activeConnection.setDoOutput(true);
|
---|
625 | activeConnection.setRequestProperty("Content-type", "text/xml");
|
---|
626 | OutputStream out = activeConnection.getOutputStream();
|
---|
627 |
|
---|
628 | // It seems that certain bits of the Ruby API are very unhappy upon
|
---|
629 | // receipt of a PUT/POST message without a Content-length header,
|
---|
630 | // even if the request has no payload.
|
---|
631 | // Since Java will not generate a Content-length header unless
|
---|
632 | // we use the output stream, we create an output stream for PUT/POST
|
---|
633 | // even if there is no payload.
|
---|
634 | if (requestBody != null) {
|
---|
635 | BufferedWriter bwr = new BufferedWriter(new OutputStreamWriter(out, Utils.UTF_8));
|
---|
636 | try {
|
---|
637 | bwr.write(requestBody);
|
---|
638 | bwr.flush();
|
---|
639 | } finally {
|
---|
640 | bwr.close();
|
---|
641 | }
|
---|
642 | }
|
---|
643 | Utils.close(out);
|
---|
644 | }
|
---|
645 |
|
---|
646 | activeConnection.connect();
|
---|
647 | Main.info(activeConnection.getResponseMessage());
|
---|
648 | int retCode = activeConnection.getResponseCode();
|
---|
649 |
|
---|
650 | if (retCode >= 500) {
|
---|
651 | if (retries-- > 0) {
|
---|
652 | sleepAndListen(retries, monitor);
|
---|
653 | Main.info(tr("Starting retry {0} of {1}.", getMaxRetries() - retries,getMaxRetries()));
|
---|
654 | continue;
|
---|
655 | }
|
---|
656 | }
|
---|
657 |
|
---|
658 | // populate return fields.
|
---|
659 | responseBody.setLength(0);
|
---|
660 |
|
---|
661 | // If the API returned an error code like 403 forbidden, getInputStream
|
---|
662 | // will fail with an IOException.
|
---|
663 | InputStream i = null;
|
---|
664 | try {
|
---|
665 | i = activeConnection.getInputStream();
|
---|
666 | } catch (IOException ioe) {
|
---|
667 | i = activeConnection.getErrorStream();
|
---|
668 | }
|
---|
669 | if (i != null) {
|
---|
670 | // the input stream can be null if both the input and the error stream
|
---|
671 | // are null. Seems to be the case if the OSM server replies a 401
|
---|
672 | // Unauthorized, see #3887.
|
---|
673 | //
|
---|
674 | BufferedReader in = new BufferedReader(new InputStreamReader(i, Utils.UTF_8));
|
---|
675 | String s;
|
---|
676 | try {
|
---|
677 | while((s = in.readLine()) != null) {
|
---|
678 | responseBody.append(s);
|
---|
679 | responseBody.append("\n");
|
---|
680 | }
|
---|
681 | } finally {
|
---|
682 | in.close();
|
---|
683 | }
|
---|
684 | }
|
---|
685 | String errorHeader = null;
|
---|
686 | // Look for a detailed error message from the server
|
---|
687 | if (activeConnection.getHeaderField("Error") != null) {
|
---|
688 | errorHeader = activeConnection.getHeaderField("Error");
|
---|
689 | Main.error("Error header: " + errorHeader);
|
---|
690 | } else if (retCode != HttpURLConnection.HTTP_OK && responseBody.length()>0) {
|
---|
691 | Main.error("Error body: " + responseBody);
|
---|
692 | }
|
---|
693 | activeConnection.disconnect();
|
---|
694 |
|
---|
695 | if (Main.isDebugEnabled()) {
|
---|
696 | Main.debug("RESPONSE: "+ activeConnection.getHeaderFields());
|
---|
697 | }
|
---|
698 |
|
---|
699 | errorHeader = errorHeader == null? null : errorHeader.trim();
|
---|
700 | String errorBody = responseBody.length() == 0? null : responseBody.toString().trim();
|
---|
701 | switch(retCode) {
|
---|
702 | case HttpURLConnection.HTTP_OK:
|
---|
703 | return responseBody.toString();
|
---|
704 | case HttpURLConnection.HTTP_GONE:
|
---|
705 | throw new OsmApiPrimitiveGoneException(errorHeader, errorBody);
|
---|
706 | case HttpURLConnection.HTTP_CONFLICT:
|
---|
707 | if (ChangesetClosedException.errorHeaderMatchesPattern(errorHeader))
|
---|
708 | throw new ChangesetClosedException(errorBody, ChangesetClosedException.Source.UPLOAD_DATA);
|
---|
709 | else
|
---|
710 | throw new OsmApiException(retCode, errorHeader, errorBody);
|
---|
711 | case HttpURLConnection.HTTP_FORBIDDEN:
|
---|
712 | OsmApiException e = new OsmApiException(retCode, errorHeader, errorBody);
|
---|
713 | e.setAccessedUrl(activeConnection.getURL().toString());
|
---|
714 | throw e;
|
---|
715 | default:
|
---|
716 | throw new OsmApiException(retCode, errorHeader, errorBody);
|
---|
717 | }
|
---|
718 | } catch (UnknownHostException e) {
|
---|
719 | throw new OsmTransferException(e);
|
---|
720 | } catch (SocketTimeoutException e) {
|
---|
721 | if (retries-- > 0) {
|
---|
722 | continue;
|
---|
723 | }
|
---|
724 | throw new OsmTransferException(e);
|
---|
725 | } catch (ConnectException e) {
|
---|
726 | if (retries-- > 0) {
|
---|
727 | continue;
|
---|
728 | }
|
---|
729 | throw new OsmTransferException(e);
|
---|
730 | } catch(IOException e) {
|
---|
731 | throw new OsmTransferException(e);
|
---|
732 | } catch(OsmTransferCanceledException e) {
|
---|
733 | throw e;
|
---|
734 | } catch(OsmTransferException e) {
|
---|
735 | throw e;
|
---|
736 | }
|
---|
737 | }
|
---|
738 | }
|
---|
739 |
|
---|
740 | /**
|
---|
741 | * Replies the API capabilities
|
---|
742 | *
|
---|
743 | * @return the API capabilities, or null, if the API is not initialized yet
|
---|
744 | */
|
---|
745 | public Capabilities getCapabilities() {
|
---|
746 | return capabilities;
|
---|
747 | }
|
---|
748 |
|
---|
749 | /**
|
---|
750 | * Ensures that the current changeset can be used for uploading data
|
---|
751 | *
|
---|
752 | * @throws OsmTransferException thrown if the current changeset can't be used for
|
---|
753 | * uploading data
|
---|
754 | */
|
---|
755 | protected void ensureValidChangeset() throws OsmTransferException {
|
---|
756 | if (changeset == null)
|
---|
757 | throw new OsmTransferException(tr("Current changeset is null. Cannot upload data."));
|
---|
758 | if (changeset.getId() <= 0)
|
---|
759 | throw new OsmTransferException(tr("ID of current changeset > 0 required. Current ID is {0}.", changeset.getId()));
|
---|
760 | }
|
---|
761 |
|
---|
762 | /**
|
---|
763 | * Replies the changeset data uploads are currently directed to
|
---|
764 | *
|
---|
765 | * @return the changeset data uploads are currently directed to
|
---|
766 | */
|
---|
767 | public Changeset getChangeset() {
|
---|
768 | return changeset;
|
---|
769 | }
|
---|
770 |
|
---|
771 | /**
|
---|
772 | * Sets the changesets to which further data uploads are directed. The changeset
|
---|
773 | * can be null. If it isn't null it must have been created, i.e. id > 0 is required. Furthermore,
|
---|
774 | * it must be open.
|
---|
775 | *
|
---|
776 | * @param changeset the changeset
|
---|
777 | * @throws IllegalArgumentException thrown if changeset.getId() <= 0
|
---|
778 | * @throws IllegalArgumentException thrown if !changeset.isOpen()
|
---|
779 | */
|
---|
780 | public void setChangeset(Changeset changeset) {
|
---|
781 | if (changeset == null) {
|
---|
782 | this.changeset = null;
|
---|
783 | return;
|
---|
784 | }
|
---|
785 | if (changeset.getId() <= 0)
|
---|
786 | throw new IllegalArgumentException(tr("Changeset ID > 0 expected. Got {0}.", changeset.getId()));
|
---|
787 | if (!changeset.isOpen())
|
---|
788 | throw new IllegalArgumentException(tr("Open changeset expected. Got closed changeset with id {0}.", changeset.getId()));
|
---|
789 | this.changeset = changeset;
|
---|
790 | }
|
---|
791 | }
|
---|