com.github.ithildir.airbot.server.SingleUserAuthProvider.java Source code

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Here is the source code for com.github.ithildir.airbot.server.SingleUserAuthProvider.java

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/**
 * Copyright (c) 2017 Andrea Di Giorgi
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package com.github.ithildir.airbot.server;

import io.vertx.core.AsyncResult;
import io.vertx.core.Future;
import io.vertx.core.Handler;
import io.vertx.core.json.JsonObject;
import io.vertx.ext.auth.AbstractUser;
import io.vertx.ext.auth.AuthProvider;
import io.vertx.ext.auth.User;

import java.util.Objects;

/**
 * @author Andrea Di Giorgi
 */
public class SingleUserAuthProvider implements AuthProvider {

    public SingleUserAuthProvider(String username, String password) {
        _username = Objects.requireNonNull(username);
        _password = Objects.requireNonNull(password);

        _user = new AbstractUser() {

            @Override
            public JsonObject principal() {
                JsonObject jsonObject = new JsonObject();

                jsonObject.put("username", _username);

                return jsonObject;
            }

            @Override
            public void setAuthProvider(AuthProvider authProvider) {

                // Nothing to do

            }

            @Override
            protected void doIsPermitted(String permission, Handler<AsyncResult<Boolean>> handler) {

                handler.handle(Future.succeededFuture(Boolean.TRUE));
            }

        };
    }

    @Override
    public void authenticate(JsonObject authInfoJsonObject, Handler<AsyncResult<User>> handler) {

        String username = authInfoJsonObject.getString("username");

        if (username == null) {
            handler.handle(Future.failedFuture("Unable to get username in authentication info"));

            return;
        }

        String password = authInfoJsonObject.getString("password");

        if (password == null) {
            handler.handle(Future.failedFuture("Unable to get password in authentication info"));

            return;
        }

        if (!_username.equals(username) || !_password.equals(password)) {
            handler.handle(Future.failedFuture("Invalid username/password"));

            return;
        }

        handler.handle(Future.succeededFuture(_user));
    }

    private final String _password;
    private final User _user;
    private final String _username;

}