Plan/Plan/common/src/main/java/com/djrapitops/plan/delivery/webserver/auth/RegistrationBin.java

79 lines
2.9 KiB
Java

/*
* This file is part of Player Analytics (Plan).
*
* Plan is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License v3 as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Plan 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Plan. If not, see <https://www.gnu.org/licenses/>.
*/
package com.djrapitops.plan.delivery.webserver.auth;
import com.djrapitops.plan.delivery.domain.auth.User;
import com.djrapitops.plan.utilities.PassEncryptUtil;
import com.djrapitops.plan.utilities.dev.Untrusted;
import com.github.benmanes.caffeine.cache.Cache;
import com.github.benmanes.caffeine.cache.Caffeine;
import org.apache.commons.codec.digest.DigestUtils;
import java.util.Collections;
import java.util.Optional;
import java.util.UUID;
import java.util.concurrent.TimeUnit;
/**
* Holds registrations of users before they are confirmed.
*
* @author AuroraLS3
*/
public class RegistrationBin {
private static final Cache<String, AwaitingForRegistration> REGISTRATION_BIN = Caffeine.newBuilder()
.expireAfterAccess(15, TimeUnit.MINUTES)
.build();
private RegistrationBin() {
// Hide static cache constructor
}
public static String addInfoForRegistration(@Untrusted String username, @Untrusted String password) {
String hash = PassEncryptUtil.createHash(password);
String code = DigestUtils.sha256Hex(username + password + System.currentTimeMillis()).substring(0, 12);
REGISTRATION_BIN.put(code, new AwaitingForRegistration(username, hash));
return code;
}
public static Optional<User> register(@Untrusted String code, UUID linkedToUUID) {
AwaitingForRegistration found = REGISTRATION_BIN.getIfPresent(code);
if (found == null) return Optional.empty();
REGISTRATION_BIN.invalidate(code);
return Optional.of(found.toUser(linkedToUUID));
}
public static boolean contains(@Untrusted String code) {
return REGISTRATION_BIN.getIfPresent(code) != null;
}
private static class AwaitingForRegistration {
@Untrusted
private final String username;
private final String passwordHash;
public AwaitingForRegistration(@Untrusted String username, String passwordHash) {
this.username = username;
this.passwordHash = passwordHash;
}
public User toUser(UUID linkedToUUID) {
return new User(username, null, linkedToUUID, passwordHash, null, Collections.emptyList());
}
}
}