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Merge 05530b6664 into 9d870849a1

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Metall 2024-09-23 03:08:18 +03:00 committed by GitHub
commit ae1d9e3d19
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42
LaunchServer/src/main/java/pro/gravit/launchserver/auth/password/DjangoPasswordVerifier.java Normal file
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@ -0,0 +1,42 @@
package pro.gravit.launchserver.auth.password;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.bouncycastle.crypto.digests.SHA256Digest;
import org.bouncycastle.crypto.generators.PKCS5S2ParametersGenerator;
import org.bouncycastle.crypto.params.KeyParameter;
import java.nio.charset.StandardCharsets;
import java.util.Base64;
public class DjangoPasswordVerifier extends PasswordVerifier {
public final Integer DEFAULT_ITERATIONS = 10000;
private static final Logger logger = LogManager.getLogger();
private static final String algorithm = "pbkdf2_sha256";
public String getEncodedHash(String password, String salt, int iterations) {
PKCS5S2ParametersGenerator generator = new PKCS5S2ParametersGenerator(new SHA256Digest());
generator.init(password.getBytes(StandardCharsets.UTF_8), salt.getBytes(), iterations);
byte[] dk = ((KeyParameter) generator.generateDerivedParameters(256)).getKey();
byte[] hashBase64 = Base64.getEncoder().encode(dk);
return new String(hashBase64);
}
public String encode(String password, String salt, int iterations) {
String hash = getEncodedHash(password, salt, iterations);
return String.format("%s$%d$%s$%s", algorithm, iterations, salt, hash);
}
@Override
public boolean check(String encryptedPassword, String password) {
String[] params = encryptedPassword.split("\\$");
if (params.length != 4) {
logger.warn(" end 1 " + params.length);
return false;
}
int iterations = Integer.parseInt(params[1]);
String salt = params[2];
String hash = encode(password, salt, iterations);
return hash.equals(encryptedPassword);
}
}

1
LaunchServer/src/main/java/pro/gravit/launchserver/auth/password/PasswordVerifier.java
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@ -15,6 +15,7 @@ public static void registerProviders() {
providers.register("bcrypt", BCryptPasswordVerifier.class);
providers.register("accept", AcceptPasswordVerifier.class);
providers.register("reject", RejectPasswordVerifier.class);
providers.register("django", DjangoPasswordVerifier.class);
registeredProviders = true;
}
}