Merge 8f20cbe104 into 1ebe68f5b8

* [ANY] Add query helper

* [ANY] Rename AuthCodePassword field to the uri

---------

Co-authored-by: d3coder <admin@xakeps.dk>

LaunchServer/src/main/java/pro/gravit/launchserver/auth/password/DjangoPasswordVerifier.java

@@ -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);
+    }
+}

LaunchServer/src/main/java/pro/gravit/launchserver/auth/password/PasswordVerifier.java

@@ -15,6 +15,7 @@ public abstract class PasswordVerifier {
             providers.register("bcrypt", BCryptPasswordVerifier.class);
             providers.register("accept", AcceptPasswordVerifier.class);
             providers.register("reject", RejectPasswordVerifier.class);
+            providers.register("django", DjangoPasswordVerifier.class);
             registeredProviders = true;
         }
     }

LauncherAPI/src/main/java/pro/gravit/launcher/base/request/auth/password/AuthCodePassword.java

@@ -3,10 +3,10 @@ package pro.gravit.launcher.base.request.auth.password;
 import pro.gravit.launcher.base.request.auth.AuthRequest;
 
 public class AuthCodePassword implements AuthRequest.AuthPasswordInterface {
-    public final String code;
+    public final String uri;
 
-    public AuthCodePassword(String code) {
-        this.code = code;
+    public AuthCodePassword(String uri) {
+        this.uri = uri;
     }
 
     @Override

LauncherCore/src/main/java/pro/gravit/utils/helper/CommonHelper.java

@@ -258,6 +258,14 @@ public final class CommonHelper {
         return new ArgsParseResult(conf, classpath, jvmArgs, mainClass, mainModule, jarFile, args);
     }
 
+    public static <K, V> V multimapFirstOrNullValue(K key, Map<K, List<V>> params) {
+        List<V> list = params.getOrDefault(key, Collections.emptyList());
+        if (list.isEmpty()) {
+            return null;
+        }
+        return list.getFirst();
+    }
+
     public record ArgsParseResult(LaunchOptions.ModuleConf conf, List<String> classpath, List<String> jvmArgs, String mainClass, String mainModule, String jarFile, List<String> args) {
 
     }

LauncherCore/src/main/java/pro/gravit/utils/helper/QueryHelper.java

@@ -0,0 +1,29 @@
+package pro.gravit.utils.helper;
+
+import java.net.URI;
+import java.net.URLDecoder;
+import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
+import java.util.*;
+
+public class QueryHelper {
+    public static Map<String, List<String>> splitUriQuery(URI uri) {
+        var query = uri.getRawQuery();
+        if (query == null) {
+            return Collections.emptyMap();
+        }
+        Map<String, List<String>> params = new HashMap<>();
+        String[] split = query.split("&");
+        for (String qParams : split) {
+            String[] splitParams = qParams.split("=");
+            List<String> strings = params.computeIfAbsent(URLDecoder.decode(splitParams[0], StandardCharsets.UTF_8),
+                    k -> new ArrayList<>(1));
+            strings.add(URLDecoder.decode(splitParams[1], StandardCharsets.UTF_8));
+        }
+        return params;
+    }
+
+    public static String encodeFormPair(String key, String value) {
+        return URLEncoder.encode(key, StandardCharsets.UTF_8) + "=" + URLEncoder.encode(value, StandardCharsets.UTF_8);
+    }
+}