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EasyAuth
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Added support for bcrypt

This commit is contained in:
samo_lego 2020-07-29 11:45:25 +02:00
parent 4c7bfd2a7f
commit c53d79db9b
11 changed files with 121 additions and 58 deletions
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7
build.gradle
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@ -33,8 +33,11 @@ dependencies {
modImplementation "net.fabricmc.fabric-api:fabric-api:${project.fabric_version}"
// Argon2 library for password hashing
implementation 'de.mkammerer:argon2-jvm:2.6'
include 'de.mkammerer:argon2-jvm:2.6'
implementation "de.mkammerer:argon2-jvm:${project.argon2_version}"
include "de.mkammerer:argon2-jvm:${project.argon2_version}"
// BCrypt
implementation "at.favre.lib:bcrypt:${project.bcrypt_version}"
// leveldb
implementation group: 'org.iq80.leveldb', name: 'leveldb', version: '0.12'

6
gradle.properties
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@ -10,10 +10,14 @@ loader_version=0.9.0+build.204
fabric_version=0.16.0+build.384-1.16.1
# Mod Properties
mod_version = 1.4.8
mod_version = 1.5.0
maven_group = org.samo_lego
archives_base_name = simpleauth
# Carpet for debugging
carpet_core_version = 1.4.0+v200623
carpet_branch = 1.16
# Hashing
argon2_version = 2.7
bcrypt_version = 0.9.0

2
src/main/java/org/samo_lego/simpleauth/commands/AccountCommand.java
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@ -120,7 +120,7 @@ public class AccountCommand {
}
// JSON object holding password (may hold some other info in the future)
JsonObject playerdata = new JsonObject();
String hash = AuthHelper.hashPass(newPass.toCharArray());
String hash = AuthHelper.hashPassword(newPass.toCharArray());
playerdata.addProperty("password", hash);
SimpleAuth.DB.updateUserData(convertUuid(player), playerdata.toString());

7
src/main/java/org/samo_lego/simpleauth/commands/AuthCommand.java
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@ -114,7 +114,7 @@ public class AuthCommand {
// Different thread to avoid lag spikes
THREADPOOL.submit(() -> {
// Writing the global pass to config
config.main.globalPassword = AuthHelper.hashPass(pass.toCharArray());
config.main.globalPassword = AuthHelper.hashPassword(pass.toCharArray());
config.main.enableGlobalPassword = true;
config.save(new File("./mods/SimpleAuth/config.json"));
});
@ -133,6 +133,7 @@ public class AuthCommand {
config.worldSpawn.x = x;
config.worldSpawn.y = y;
config.worldSpawn.z = z;
config.main.spawnOnJoin = true;
config.save(new File("./mods/SimpleAuth/config.json"));
// Getting sender
@ -167,7 +168,7 @@ public class AuthCommand {
THREADPOOL.submit(() -> {
// JSON object holding password (may hold some other info in the future)
JsonObject playerdata = new JsonObject();
String hash = AuthHelper.hashPass(password.toCharArray());
String hash = AuthHelper.hashPassword(password.toCharArray());
playerdata.addProperty("password", hash);
if (DB.registerUser(uuid, playerdata.toString())) {
@ -188,7 +189,7 @@ public class AuthCommand {
THREADPOOL.submit(() -> {
// JSON object holding password (may hold some other info in the future)
JsonObject playerdata = new JsonObject();
String hash = AuthHelper.hashPass(password.toCharArray());
String hash = AuthHelper.hashPassword(password.toCharArray());
playerdata.addProperty("password", hash);
DB.updateUserData(uuid, playerdata.toString());

2
src/main/java/org/samo_lego/simpleauth/commands/RegisterCommand.java
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@ -63,7 +63,7 @@ public class RegisterCommand {
), false);
return;
}
String hash = AuthHelper.hashPass(pass1.toCharArray());
String hash = AuthHelper.hashPassword(pass1.toCharArray());
// JSON object holding password (may hold some other info in the future)
JsonObject playerdata = new JsonObject();
playerdata.addProperty("password", hash);

6
src/main/java/org/samo_lego/simpleauth/event/AuthEventHandler.java
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@ -12,7 +12,6 @@ import net.minecraft.text.LiteralText;
import net.minecraft.util.ActionResult;
import net.minecraft.util.TypedActionResult;
import net.minecraft.util.math.BlockPos;
import org.samo_lego.simpleauth.SimpleAuth;
import org.samo_lego.simpleauth.mixin.BlockUpdateS2CPacketAccessor;
import org.samo_lego.simpleauth.storage.PlayerCache;
@ -81,8 +80,8 @@ public class AuthEventHandler {
return;
}
// Ugly fix for #13
player.setInvulnerable(SimpleAuth.config.experimental.playerInvulnerable);
player.setInvisible(SimpleAuth.config.experimental.playerInvisible);
player.setInvulnerable(config.experimental.playerInvulnerable);
player.setInvisible(config.experimental.playerInvisible);
// Invalidating session
playerCache.wasAuthenticated = false;
@ -91,6 +90,7 @@ public class AuthEventHandler {
else {
deauthenticatePlayer(player);
playerCache = deauthenticatedUsers.get(uuid);
playerCache.wasOnFire = false;
}
if(config.main.spawnOnJoin)

2
src/main/java/org/samo_lego/simpleauth/storage/AuthConfig.java
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@ -115,6 +115,8 @@ public class AuthConfig {
public boolean allowItemUse = false;
// Allows attacking mobs
public boolean allowEntityPunch = false;
// Whether to use BCrypt instead of Argon2 (GLIBC_2.25 error)
public boolean useBCryptLibrary = false;
}
private static final Gson gson = new GsonBuilder()
.setPrettyPrinting()

5
src/main/java/org/samo_lego/simpleauth/storage/PlayerCache.java
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@ -17,7 +17,7 @@ public class PlayerCache {
public long validUntil;
public int lastAir = 300;
public boolean wasOnFire = false;
public boolean wasOnFire;
public String lastDim;
public double lastX;
@ -44,6 +44,9 @@ public class PlayerCache {
this.lastY = player.getY();
this.lastZ = player.getZ();
}
else {
this.wasOnFire = false;
}
if(DB.isUserRegistered(uuid)) {
String data = DB.getData(uuid);

79
src/main/java/org/samo_lego/simpleauth/utils/AuthHelper.java
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@ -2,68 +2,55 @@ package org.samo_lego.simpleauth.utils;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import de.mkammerer.argon2.Argon2;
import de.mkammerer.argon2.Argon2Factory;
import org.samo_lego.simpleauth.SimpleAuth;
import org.samo_lego.simpleauth.utils.hashing.HasherArgon2;
import org.samo_lego.simpleauth.utils.hashing.HasherBCrypt;
import static org.samo_lego.simpleauth.utils.SimpleLogger.logError;
import static org.samo_lego.simpleauth.SimpleAuth.config;
public class AuthHelper {
// Creating the instance
private static final Argon2 argon2 = Argon2Factory.create();
// Json parser
private static final JsonParser parser = new JsonParser();
// Returns 1 if password is correct, 0 if not
// and -1 if user is not registered yet
public static int checkPass(String uuid, char[] pass) {
if(SimpleAuth.config.main.enableGlobalPassword) {
if(config.main.enableGlobalPassword) {
// We have global password enabled
try {
return argon2.verify(SimpleAuth.config.main.globalPassword, pass) ? 1 : 0;
}
catch (Error e) {
logError("Argon2 error: " + e);
return 0;
} finally {
// Wipe confidential data
argon2.wipeArray(pass);
}
return verifyPassword(pass, config.main.globalPassword) ? 1 : 0;
}
else {
try {
String hashed;
// Password from cache
if(SimpleAuth.deauthenticatedUsers.containsKey(uuid))
hashed = SimpleAuth.deauthenticatedUsers.get(uuid).password;
// Hashed password from DB
else {
JsonObject json = parser.parse(SimpleAuth.DB.getData(uuid)).getAsJsonObject();
hashed = json.get("password").getAsString();
}
String hashed;
// Password from cache
if(SimpleAuth.deauthenticatedUsers.containsKey(uuid))
hashed = SimpleAuth.deauthenticatedUsers.get(uuid).password;
if(hashed.equals(""))
return -1; // User is not yet registered
// Verify password
return argon2.verify(hashed, pass) ? 1 : 0;
} catch (Error e) {
logError("Argon2 error: " + e);
return 0;
} finally {
// Wipe confidential data
argon2.wipeArray(pass);
// Hashed password from DB
else {
JsonObject json = parser.parse(SimpleAuth.DB.getData(uuid)).getAsJsonObject();
hashed = json.get("password").getAsString();
}
if(hashed.equals(""))
return -1; // User is not yet registered
// Verify password
return verifyPassword(pass, hashed) ? 1 : 0;
}
}
// Hashing the password with the Argon2 power
public static String hashPass(char[] pass) {
try {
return argon2.hash(10, 65536, 1, pass);
} catch (Error e) {
logError(e.getMessage());
}
return null;
public static String hashPassword(char[] pass) {
if(config.experimental.useBCryptLibrary)
return HasherBCrypt.hash(pass);
else
return HasherArgon2.hash(pass);
}
private static boolean verifyPassword(char[] pass, String hashed) {
if(config.experimental.useBCryptLibrary)
return HasherBCrypt.verify(pass, hashed);
else
return HasherArgon2.verify(pass, hashed);
}
}

35
src/main/java/org/samo_lego/simpleauth/utils/hashing/HasherArgon2.java Normal file
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@ -0,0 +1,35 @@
package org.samo_lego.simpleauth.utils.hashing;
import de.mkammerer.argon2.Argon2;
import de.mkammerer.argon2.Argon2Factory;
import static org.samo_lego.simpleauth.utils.SimpleLogger.logError;
public class HasherArgon2 {
// Creating the instance
private static final Argon2 HASHER = Argon2Factory.create();
public static boolean verify(char[] pass, String hashed) {
try {
return HASHER.verify(hashed, pass);
}
catch (Error e) {
logError("Argon2 password verification error: " + e);
return false;
} finally {
// Wipe confidential data
HASHER.wipeArray(pass);
}
}
// Hashing the password with the Argon2 power
public static String hash(char[] pass) {
try {
return HASHER.hash(10, 65536, 1, pass);
} catch (Error e) {
logError("Argon2 password hashing error: " + e);
}
return null;
}
}

28
src/main/java/org/samo_lego/simpleauth/utils/hashing/HasherBCrypt.java Normal file
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@ -0,0 +1,28 @@
package org.samo_lego.simpleauth.utils.hashing;
import at.favre.lib.crypto.bcrypt.BCrypt;
import static org.samo_lego.simpleauth.utils.SimpleLogger.logError;
public class HasherBCrypt {
public static boolean verify(char[] pass, String hashed) {
try {
return BCrypt.verifyer().verify(pass, hashed).verified;
}
catch (Error e) {
logError("BCrypt password verification error: " + e);
return false;
}
}
// Hashing the password with the Argon2 power
public static String hash(char[] pass) {
try {
return BCrypt.withDefaults().hashToString(12, pass);
} catch (Error e) {
logError("BCrypt password hashing error: " + e);
}
return null;
}
}