/*
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http-auth - Authentication Extensions to jdk.httpserver
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Copyright (C) 2021 Ulrich Hilger
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package de.uhilger.httpserver.auth.handler;
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import com.sun.net.httpserver.HttpContext;
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import com.sun.net.httpserver.HttpExchange;
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import com.sun.net.httpserver.HttpHandler;
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import de.uhilger.httpserver.auth.TokenAuthenticator;
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import de.uhilger.httpserver.base.handler.HttpResponder;
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import java.io.IOException;
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/**
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*
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* @author Ulrich Hilger
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* @version 1, 02.06.2021
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*/
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public class LogoutHandler implements HttpHandler {
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@Override
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public void handle(HttpExchange exchange) throws IOException {
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HttpContext context = exchange.getHttpContext();
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Object o = context.getAttributes().get(LoginHandler.ATTR_AUTHENTICATOR);
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if (o instanceof TokenAuthenticator) {
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TokenAuthenticator auth = (TokenAuthenticator) o;
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String jwt = auth.cookieLesen(exchange, TokenAuthenticator.JWT_INDICATOR);
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if (jwt != null) {
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auth.abmelden(jwt);
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HttpResponder r = new HttpResponder();
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r.antwortSenden(exchange, HttpResponder.SC_OK, "Abgemeldet.");
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} else {
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// kein JSON Web Token
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}
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} else {
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// kein passender Authenticator
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}
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}
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}
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