package org.anddev.openstreetmap.contributor.util;
/**
* Copyright by Christof Dallermassl
* This program is free software and licensed under GPL.
*
* Original JAVA-Code ported for Android compatibility by Nicolas 'plusminus' Gramlich.
*/
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.ByteArrayInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.GregorianCalendar;
import org.anddev.openstreetmap.contributor.util.constants.Constants;
import org.anddev.openstreetmap.contributor.util.constants.OSMConstants;
import org.andnav.osm.views.util.HttpUserAgentHelper;
import android.content.Context;
import android.util.Log;
/**
* Small java class that allows to upload gpx files to www.openstreetmap.org via its api call.
*
* @author cdaller
* @author ngramlich
*/
public class OSMUploader implements Constants, OSMConstants{
// ===========================================================
// Constants
// ===========================================================
public static final String API_VERSION = "0.6";
private static final int BUFFER_SIZE = 65535;
private static final String BASE64_ENC = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
private static final String BOUNDARY = "----------------------------d10f7aa230e8";
private static final String LINE_END = "\r\n";
private static final String DEFAULT_TAGS = "OpenSatNav";
public static final SimpleDateFormat pseudoFileNameFormat = new SimpleDateFormat("yyyyMMdd'_'HHmmss'_'SSS");
private static final SimpleDateFormat autoTagFormat = new SimpleDateFormat("MMMM yyyy");
// ===========================================================
// Fields
// ===========================================================
// ===========================================================
// Methods
// ===========================================================
/**
* Uses OSMConstants.OSM_USERNAME and OSMConstants.OSM_PASSWORD as username/password.
* Description will be <code>DEFAULT_DESCRIPTION</code>, tags will be automatically generated (i.e. "<code>October 2008</code>")
* NOTE: This method is not blocking!
* @param gpxInputStream the InputStream containing the gpx-data.
* @throws IOException
*/
public static void uploadAsync(final Context context, final RouteRecorder mRouteRecorder, String username, String password, String description) throws IOException{
uploadAsync(context, new ByteArrayInputStream(RecordedRouteGPXFormatter.create(mRouteRecorder.getRecordedGeoPoints(), mRouteRecorder.getRecordedWayPoints(), username).getBytes()), username, password, description);
}
public static void uploadAsync(final Context context, final InputStream gpxInputStream, String username, String password, String description) throws IOException{
uploadAsync(context, description, DEFAULT_TAGS, true, gpxInputStream, username, password);
}
/*public static void uploadAsync(final ArrayList<RecordedGeoPoint> recordedGeoPoints, String username, String password, String description) throws IOException{
uploadAsync(new ByteArrayInputStream(RecordedRouteGPXFormatter.create(recordedGeoPoints, username).getBytes()), username, password, description);
}*/
/**
* Uses OSMConstants.OSM_USERNAME and OSMConstants.OSM_PASSWORD as username/password.
* The 'filename' will be the current <code>timestamp.gpx</code> (i.e. "20081231_234815_912.gpx")
* NOTE: This method is not blocking!
* @param description <code>not null</code>
* @param tags <code>not null</code>
* @param addDateTags adds Date Tags to the existing Tags (i.e. "October 2008")
* @param gpxInputStreaman the InputStream containing the gpx-data.
* @throws IOException
*/
public static void uploadAsync(final Context context, final String description, final String tags, final boolean addDateTags, final InputStream gpxInputStream, String username, String password) throws IOException {
uploadAsync(context, username, password, description, tags, true, gpxInputStream, pseudoFileNameFormat.format(new GregorianCalendar().getTime()) + "_" + username + ".gpx");
}
public static void uploadAsync(final Context context, final String description, final String tags, final boolean addDateTags, final ArrayList<RecordedGeoPoint> recordedGeoPoints, String username, String password) throws IOException{
uploadAsync(context, description, tags, addDateTags, new ByteArrayInputStream(RecordedRouteGPXFormatter.create(recordedGeoPoints, username).getBytes()), username, password);
}
/**
* NOTE: This method is not blocking! (Code runs in thread)
* @param username <code>not null</code> and <code>not empty</code>. Valid OSM-username
* @param password <code>not null</code> and <code>not empty</code>. Valid password to the OSM-username.
* @param description <code>not null</code>
* @param tags if <code>null</code> addDateTags is treated as <code>true</code>
* @param addDateTags adds Date Tags to the existing Tags (i.e. "<code>October 2008</code>")
* @param gpxInputStream the InputStream containing the gpx-data.
* @param pseudoFileName ending with "<code>.gpx</code>"
* @throws IOException
*/
public static void uploadAsync(final Context context, final String username, final String password, final String description, final String tags, final boolean addDateTags, final InputStream gpxInputStream, final String pseudoFileName) {
assert(username != null && username.length() > 0);
assert(password != null && password.length() > 0);
assert(description == null || description.length() > 0);
assert(tags == null || tags.length() > 0);
assert(pseudoFileName != null && pseudoFileName.endsWith(".gpx"));
new Thread(new Runnable(){
@Override
public void run() {
String tagsToUse = tags;
if(addDateTags || tagsToUse == null)
if(tagsToUse == null)
tagsToUse = autoTagFormat.format(new GregorianCalendar().getTime());
else
tagsToUse = tagsToUse + " " + autoTagFormat.format(new GregorianCalendar().getTime());
Log.d(DEBUGTAG, "Uploading " + pseudoFileName + " to openstreetmap.org");
try {
//String urlGpxName = URLEncoder.encode(gpxName.replaceAll("\\.;&?,/","_"), "UTF-8");
final String urlDesc = description.replaceAll("\\.;&?,/","_");
final String urlTags = (tagsToUse == null) ? DEFAULT_TAGS : tagsToUse.replaceAll("\\\\.;&?,/","_");
final URL url = new URL("http://www.openstreetmap.org/api/" + API_VERSION + "/gpx/create");
//final URL url = new URL("http://192.168.10.210:3000/gpstracks");
Log.d(DEBUGTAG, "Destination Url: " + url);
final HttpURLConnection con = (HttpURLConnection) url.openConnection();
String userAgent = HttpUserAgentHelper.getUserAgent(context);
if (userAgent != null)
con.setRequestProperty("User-Agent", userAgent);
con.setConnectTimeout(15000);
con.setRequestMethod("POST");
con.setDoOutput(true);
con.addRequestProperty("Authorization", "Basic "+encodeBase64(username+":"+password));
con.addRequestProperty("Content-Type", "multipart/form-data; boundary="+BOUNDARY);
con.addRequestProperty("Connection", "close"); // counterpart of keep-alive
con.addRequestProperty("Expect", "");
con.connect();
DataOutputStream out = new DataOutputStream(new BufferedOutputStream(con.getOutputStream()));
// DataOutputStream out = new DataOutputStream(System.out);
writeContentDispositionFile(out, "file", gpxInputStream, pseudoFileName);
writeContentDisposition(out, "description", urlDesc);
writeContentDisposition(out, "tags", urlTags);
writeContentDisposition(out, "public", "1");
out.writeBytes("--" + BOUNDARY + "--" + LINE_END);
out.flush();
final int retCode = con.getResponseCode();
String retMsg = con.getResponseMessage();
Log.d(DEBUGTAG, "\nreturn code: "+retCode + " " + retMsg);
if (retCode != 200) {
// Look for a detailed error message from the server
if (con.getHeaderField("Error") != null)
retMsg += "\n" + con.getHeaderField("Error");
con.disconnect();
throw new RuntimeException(retCode+" "+retMsg);
}
out.close();
con.disconnect();
} catch(Exception e) {
Log.e(DEBUGTAG, "OSMUpload Error", e);
}
}
}, "OSMUpload-Thread").start();
}
public static void upload(final Context context, final String username, final String password, final String description, final String tags, final boolean addDateTags, final ArrayList<RecordedGeoPoint> recordedGeoPoints, final String pseudoFileName) throws IOException{
uploadAsync(context, username, password, description, tags, addDateTags, new ByteArrayInputStream(RecordedRouteGPXFormatter.create(recordedGeoPoints, username).getBytes()), pseudoFileName);
}
/**
* @param out
* @param string
* @param gpxFile
* @throws IOException
*/
private static void writeContentDispositionFile(final DataOutputStream out, final String name, final InputStream gpxInputStream, final String pseudoFileName) throws IOException {
out.writeBytes("--" + BOUNDARY + LINE_END);
out.writeBytes("Content-Disposition: form-data; name=\"" + name + "\"; filename=\"" + pseudoFileName + "\"" + LINE_END);
out.writeBytes("Content-Type: application/octet-stream" + LINE_END);
out.writeBytes(LINE_END);
final byte[] buffer = new byte[BUFFER_SIZE];
//int fileLen = (int)gpxFile.length();
int read;
int sumread = 0;
final InputStream in = new BufferedInputStream(gpxInputStream);
Log.d(DEBUGTAG, "Transferring data to server");
while((read = in.read(buffer)) >= 0) {
out.write(buffer, 0, read);
out.flush();
sumread += read;
}
in.close();
out.writeBytes(LINE_END);
}
/**
* @param string
* @param urlDesc
* @throws IOException
*/
private static void writeContentDisposition(final DataOutputStream out, final String name, final String value) throws IOException {
out.writeBytes("--" + BOUNDARY + LINE_END);
out.writeBytes("Content-Disposition: form-data; name=\"" + name + "\"" + LINE_END);
out.writeBytes(LINE_END);
out.writeBytes(value + LINE_END);
}
private static String encodeBase64(final String s) {
StringBuilder out = new StringBuilder();
for (int i = 0; i < (s.length()+2)/3; ++i) {
int l = Math.min(3, s.length()-i*3);
final String buf = s.substring(i*3, i*3+l);
out.append(BASE64_ENC.charAt(buf.charAt(0)>>2));
out.append(BASE64_ENC.charAt((buf.charAt(0) & 0x03) << 4 | (l==1?0:(buf.charAt(1) & 0xf0) >> 4)));
out.append(l>1 ? BASE64_ENC.charAt((buf.charAt(1) & 0x0f) << 2 | (l==2 ? 0 : (buf.charAt(2) & 0xc0) >> 6)) : '=');
out.append(l>2 ? BASE64_ENC.charAt(buf.charAt(2) & 0x3f) : '=');
}
return out.toString();
}
}