OAuthPortListener.java
// License: GPL. For details, see LICENSE file.
package org.openstreetmap.josm.plugins.streetside.oauth;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.net.BindException;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.Scanner;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.openstreetmap.josm.plugins.streetside.utils.StreetsideProperties;
import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.tools.I18n;
import org.openstreetmap.josm.tools.Logging;
/**
* Listens to the OAuth port (8763) in order to get the access token and sends
* back a simple reply.
*
* @author nokutu
*
*/
public class OAuthPortListener extends Thread {
public static final int PORT = 8763;
protected static final String RESPONSE = String.format(
"<!DOCTYPE html><html><head><meta charset=\"utf8\"><title>%s</title></head><body>%s</body></html>",
I18n.tr("Mapillary login"),
I18n.tr("Login successful, return to JOSM.")
);
private final StreetsideLoginListener callback;
public OAuthPortListener(StreetsideLoginListener loginCallback) {
this.callback = loginCallback;
}
@Override
public void run() {
try (
ServerSocket serverSocket = new ServerSocket(PORT);
Socket clientSocket = serverSocket.accept();
PrintWriter out = new PrintWriter(new OutputStreamWriter(clientSocket.getOutputStream(), "UTF-8"), true);
Scanner in = new Scanner(new InputStreamReader(clientSocket.getInputStream(), "UTF-8"))
) {
String s;
String accessToken = null;
while (in.hasNextLine()) {
s = in.nextLine();
Matcher tokenMatcher = Pattern.compile("^.*&access_token=([^&]+)&.*$").matcher('&'+s+'&');
if (tokenMatcher.matches()) {
accessToken = tokenMatcher.group(1);
break;
} else if (s.contains("keep-alive")) {
break;
}
}
writeContent(out);
out.flush();
StreetsideUser.reset();
Logging.info("Successful login with Mapillary, the access token is: {0}", accessToken);
// Saves the access token in preferences.
StreetsideUser.setTokenValid(true);
if (Main.main != null) {
StreetsideProperties.ACCESS_TOKEN.put(accessToken);
String username = StreetsideUser.getUsername();
Logging.info("The username is: {0}", username);
if (callback != null) {
callback.onLogin(username);
}
}
} catch (BindException e) {
Logging.warn(e);
} catch (IOException e) {
Logging.error(e);
}
}
private static void writeContent(PrintWriter out) {
out.println("HTTP/1.1 200 OK");
out.println("Content-Length: " + RESPONSE.length());
out.println("Content-Type: text/html" + "\r\n\r\n");
out.println(RESPONSE);
}
}