/*
|
http-oauth - OAuth Extensions to jdk.httpserver
|
Copyright (C) 2021 Ulrich Hilger
|
|
This program is free software: you can redistribute it and/or modify
|
it under the terms of the GNU Affero General Public License as
|
published by the Free Software Foundation, either version 3 of the
|
License, or (at your option) any later version.
|
|
This program is distributed in the hope that it will be useful,
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
GNU Affero General Public License for more details.
|
|
You should have received a copy of the GNU Affero General Public License
|
along with this program. If not, see <https://www.gnu.org/licenses/>.
|
*/
|
package de.uhilger.httpserver.oauth;
|
|
import com.sun.net.httpserver.HttpContext;
|
import com.sun.net.httpserver.HttpExchange;
|
import de.uhilger.httpserver.base.handler.HttpHelper;
|
import static de.uhilger.httpserver.oauth.BearerLoginHandler.ATTR_AUTHENTICATOR;
|
import java.io.IOException;
|
|
/**
|
* Einen abgelaufenen Token mit Hilfe eines Refresh Token erneuern
|
*
|
* Gemaess
|
* https://www.oauth.com/oauth2-servers/making-authenticated-requests/refreshing-an-access-token/
|
* sieht die HTTP Anfrage zum Refresh wie folgt aus:
|
*
|
* POST /oauth/token HTTP/1.1
|
* Host: authorization-server.com
|
*
|
* grant_type=refresh_token
|
* &refresh_token=xxxxxxxxxxx
|
* &client_id=xxxxxxxxxx
|
* &client_secret=xxxxxxxxxx
|
*
|
* @author Ulrich Hilger
|
* @version 1, 08.06.2021
|
*/
|
public class BearerRefreshHandler extends BearerLoginHandler {
|
|
@Override
|
public void handle(HttpExchange exchange) throws IOException {
|
HttpHelper h = new HttpHelper();
|
String body = h.bodyLesen(exchange);
|
String[] parts = body.split("&");
|
for(String part : parts) {
|
String[] keyVals = part.split("=");
|
if(keyVals[0].equalsIgnoreCase("refresh_token")) {
|
HttpContext context = exchange.getHttpContext();
|
Object o = context.getAttributes().get(ATTR_AUTHENTICATOR);
|
if (o instanceof BearerAuthenticator) {
|
BearerAuthenticator auth = (BearerAuthenticator) o;
|
LoginResponse response = auth.refresh(keyVals[1]);
|
handleLoginResponse(exchange, response);
|
}
|
}
|
}
|
}
|
|
}
|