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/*
* Copyright (C) 2021 - 2022 Elytrium
*
* 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 <http://www.gnu.org/licenses/>.
*/
package net.elytrium.limboauth.migration;
import de.mkammerer.argon2.Argon2;
import de.mkammerer.argon2.Argon2Factory;
import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import org.apache.commons.codec.binary.Hex;
import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
@SuppressWarnings("unused")
public enum MigrationHash {
AUTHME((hash, password) -> {
String[] args = hash.split("\\$"); // $SHA$salt$hash
return args.length == 4 && args[3].equals(getDigest(getDigest(password, "SHA-256") + args[2], "SHA-256"));
}),
AUTHME_NP((hash, password) -> {
String[] args = hash.split("\\$"); // SHA$salt$hash
return args.length == 3 && args[2].equals(getDigest(getDigest(password, "SHA-256") + args[1], "SHA-256"));
}),
ARGON2(new Argon2Verifier()),
SHA512_DBA((hash, password) -> {
String[] args = hash.split("\\$"); // SHA$salt$hash
return args.length == 3 && args[2].equals(getDigest(getDigest(password, "SHA-512") + args[1], "SHA-512"));
}),
SHA512_NP((hash, password) -> {
String[] args = hash.split("\\$"); // SHA$salt$hash
return args.length == 3 && args[2].equals(getDigest(password + args[1], "SHA-512"));
}),
SHA512_P((hash, password) -> {
String[] args = hash.split("\\$"); // $SHA$salt$hash
return args.length == 4 && args[3].equals(getDigest(password + args[2], "SHA-512"));
}),
SHA256_NP((hash, password) -> {
String[] args = hash.split("\\$"); // SHA$salt$hash
return args.length == 3 && args[2].equals(getDigest(password + args[1], "SHA-256"));
}),
SHA256_P((hash, password) -> {
String[] args = hash.split("\\$"); // $SHA$salt$hash
return args.length == 4 && args[3].equals(getDigest(password + args[2], "SHA-256"));
}),
MD5((hash, password) -> hash.equals(getDigest(password, "MD5"))),
MOON_SHA256((hash, password) -> {
String[] args = hash.split("\\$"); // $SHA$hash
return args.length == 3 && args[2].equals(getDigest(getDigest(password, "SHA-256"), "SHA-256"));
}),
SHA256_NO_SALT((hash, password) -> {
String[] args = hash.split("\\$"); // $SHA$hash
return args.length == 3 && args[2].equals(getDigest(password, "SHA-256"));
}),
SHA512_NO_SALT((hash, password) -> {
String[] args = hash.split("\\$"); // $SHA$hash
return args.length == 3 && args[2].equals(getDigest(password, "SHA-512"));
}),
SHA512_P_REVERSED_HASH((hash, password) -> {
String[] args = hash.split("\\$"); // $SHA$hash$salt
return args.length == 4 && args[2].equals(getDigest(password + args[3], "SHA-512"));
});
private final MigrationHashVerifier verifier;
MigrationHash(MigrationHashVerifier verifier) {
this.verifier = verifier;
}
public boolean checkPassword(String hash, String password) {
return this.verifier.checkPassword(hash, password);
}
private static String getDigest(String string, String algorithm) {
try {
MessageDigest messageDigest = MessageDigest.getInstance(algorithm);
messageDigest.update(string.getBytes(StandardCharsets.UTF_8));
byte[] array = messageDigest.digest();
return Hex.encodeHexString(array);
} catch (NoSuchAlgorithmException e) {
throw new IllegalArgumentException(e);
}
}
private static class Argon2Verifier implements MigrationHashVerifier {
@MonotonicNonNull
private Argon2 argon2;
@Override
public boolean checkPassword(String hash, String password) {
if (this.argon2 == null) {
this.argon2 = Argon2Factory.create();
}
return this.argon2.verify(hash, password.getBytes(StandardCharsets.UTF_8));
}
}
}
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