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