temporary commit

gbcs-api/src/main/java/net/woggioni/gbcs/api/Configuration.java

@@ -0,0 +1,138 @@
+package net.woggioni.gbcs.api;
+
+
+import lombok.Value;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+
+import java.nio.file.Path;
+import java.security.cert.X509Certificate;
+import java.util.Map;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+@Value
+public class Configuration {
+    String host;
+    int port;
+    String serverPath;
+    Map<String, User> users;
+    Map<String, Group> groups;
+    Cache cache;
+    Authentication authentication;
+    Tls tls;
+    boolean useVirtualThread;
+
+    @Value
+    public static class Group {
+        String name;
+        Set<Role> roles;
+
+        @Override
+        public int hashCode() {
+            return name.hashCode();
+        }
+    }
+
+    @Value
+    public static class User {
+        String name;
+        String password;
+        Set<Group> groups;
+
+        @Override
+        public int hashCode() {
+            return name.hashCode();
+        }
+
+        public Set<Role> getRoles() {
+            return groups.stream()
+                    .flatMap(group -> group.getRoles().stream())
+                    .collect(Collectors.toSet());
+        }
+    }
+
+    @FunctionalInterface
+    public interface UserExtractor {
+        User extract(X509Certificate cert);
+    }
+
+    @FunctionalInterface
+    public interface GroupExtractor {
+        Group extract(X509Certificate cert);
+    }
+
+    @Value
+    public static class Tls {
+        KeyStore keyStore;
+        TrustStore trustStore;
+        boolean verifyClients;
+    }
+
+    @Value
+    public static class KeyStore {
+        Path file;
+        String password;
+        String keyAlias;
+        String keyPassword;
+    }
+
+    @Value
+    public static class TrustStore {
+        Path file;
+        String password;
+        boolean checkCertificateStatus;
+    }
+
+    @Value
+    public static class TlsCertificateExtractor {
+        String rdnType;
+        String pattern;
+    }
+
+    public interface Authentication {}
+
+    public static class BasicAuthentication implements Authentication {}
+
+    @Value
+    public static class ClientCertificateAuthentication implements Authentication {
+        TlsCertificateExtractor userExtractor;
+        TlsCertificateExtractor groupExtractor;
+    }
+
+    public interface Cache {
+        net.woggioni.gbcs.api.Cache materialize();
+        String getNamespaceURI();
+        String getTypeName();
+    }
+
+//    @Value
+//    public static class FileSystemCache implements Cache {
+//        Path root;
+//        Duration maxAge;
+//    }
+
+    public static Configuration of(
+            String host,
+            int port,
+            String serverPath,
+            Map<String, User> users,
+            Map<String, Group> groups,
+            Cache cache,
+            Authentication authentication,
+            Tls tls,
+            boolean useVirtualThread
+    ) {
+        return new Configuration(
+                host,
+                port,
+                serverPath != null && !serverPath.isEmpty() && !serverPath.equals("/") ? serverPath : null,
+                users,
+                groups,
+                cache,
+                authentication,
+                tls,
+                useVirtualThread
+        );
+    }
+}