added jpms url protocol

.gitea/workflows/build.yaml

@@ -5,13 +5,63 @@ on:
       - '*'
 jobs:
   build:
+    env:
+      RUNNER_TOOL_CACHE: /toolcache
     runs-on: hostinger
     steps:
       - name: Checkout sources
         uses: actions/checkout@v4
+      - name: Setup Java
+        uses: actions/setup-java@v4
+        with:
+          distribution: graalvm
+          java-version: 21
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@v3
       - name: Execute Gradle build
         env:
           PUBLISHER_TOKEN: ${{ secrets.PUBLISHER_TOKEN }}
-        run: ./gradlew build publish
+        run: ./gradlew build
+      - name: Publish artifacts
+        env:
+          PUBLISHER_TOKEN: ${{ secrets.PUBLISHER_TOKEN }}
+        run: ./gradlew publish
+  build-docker:
+    name: "Build Docker images"
+    runs-on: hostinger
+    steps:
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3.4.0
+        with:
+          driver: docker-container
+      -
+        name: Login to Gitea container registry
+        uses: docker/login-action@v3
+        with:
+          registry: gitea.woggioni.net
+          username: woggioni
+          password: ${{ secrets.PUBLISHER_TOKEN }}
+      -
+        name: Build and push gbcs images
+        uses: docker/build-push-action@v6
+        with:
+          push: true
+          pull: true
+          tags: |
+            "gitea.woggioni.net/woggioni/gbcs:slim"
+          cache-from: type=registry,ref=gitea.woggioni.net/woggioni/gbcs:buildx
+          cache-to: type=registry,mode=max,compression=zstd,image-manifest=true,oci-mediatypes=true,ref=gitea.woggioni.net/woggioni/gbcs:buildx
+          target: release
+      -
+        name: Build and push gbcs memcached image
+        uses: docker/build-push-action@v6
+        with:
+          push: true
+          pull: true
+          tags: |
+            "gitea.woggioni.net/woggioni/gbcs:latest"
+            "gitea.woggioni.net/woggioni/gbcs:memcached"
+          cache-from: type=registry,ref=gitea.woggioni.net/woggioni/gbcs:buildx
+          cache-to: type=registry,mode=max,compression=zstd,image-manifest=true,oci-mediatypes=true,ref=gitea.woggioni.net/woggioni/gbcs:buildx
+          target: release-memcached

.gitignore

@@ -3,3 +3,5 @@
 
 # Ignore Gradle build output directory
 build
+
+gbcs-cli/native-image/*.json

Dockerfile

@@ -0,0 +1,46 @@
+FROM container-registry.oracle.com/graalvm/native-image:21 AS oracle
+
+FROM ubuntu:24.04 AS build
+COPY --from=oracle /usr/lib64/graalvm/ /usr/lib64/graalvm/
+ENV JAVA_HOME=/usr/lib64/graalvm/graalvm-java21
+USER ubuntu
+WORKDIR /home/ubuntu
+
+RUN mkdir gbcs
+WORKDIR /home/ubuntu/gbcs
+
+COPY --chown=ubuntu:users .git .git
+COPY --chown=ubuntu:users gbcs-base gbcs-base
+COPY --chown=ubuntu:users gbcs-api gbcs-api
+COPY --chown=ubuntu:users gbcs-memcached gbcs-memcached
+COPY --chown=ubuntu:users gbcs-cli gbcs-cli
+COPY --chown=ubuntu:users src src
+COPY --chown=ubuntu:users settings.gradle settings.gradle
+COPY --chown=ubuntu:users build.gradle build.gradle
+COPY --chown=ubuntu:users gradle.properties gradle.properties
+COPY --chown=ubuntu:users gradle gradle
+COPY --chown=ubuntu:users gradlew gradlew
+
+RUN --mount=type=cache,target=/home/ubuntu/.gradle,uid=1000,gid=1000 ./gradlew --no-daemon assemble
+
+FROM alpine:latest AS base-release
+RUN --mount=type=cache,target=/var/cache/apk apk update
+RUN --mount=type=cache,target=/var/cache/apk apk add openjdk21-jre
+RUN adduser -D luser
+USER luser
+WORKDIR /home/luser
+
+FROM base-release AS release
+RUN --mount=type=bind,from=build,source=/home/ubuntu/gbcs/gbcs-cli/build,target=/home/luser/build cp build/libs/gbcs-cli-envelope-*.jar gbcs.jar
+ENTRYPOINT ["java", "-jar", "/home/luser/gbcs.jar"]
+
+FROM base-release AS release-memcached
+RUN --mount=type=bind,from=build,source=/home/ubuntu/gbcs/gbcs-cli/build,target=/home/luser/build cp build/libs/gbcs-cli-envelope-*.jar gbcs.jar
+RUN mkdir plugins
+WORKDIR /home/luser/plugins
+RUN --mount=type=bind,from=build,source=/home/ubuntu/gbcs/gbcs-memcached/build/distributions,target=/build/distributions tar -xf /build/distributions/gbcs-memcached*.tar
+WORKDIR /home/luser
+ENTRYPOINT ["java", "-jar", "/home/luser/gbcs.jar"]
+
+FROM release-memcached as compose
+COPY --chown=luser:luser conf/gbcs-memcached.xml /home/luser/.config/gbcs/gbcs.xml

build.gradle

@@ -1,91 +1,88 @@
 plugins {
     id 'java-library'
     alias catalog.plugins.kotlin.jvm
-    alias catalog.plugins.envelope
     alias catalog.plugins.sambal
+    alias catalog.plugins.lombok
     id 'maven-publish'
 }
 
-import net.woggioni.gradle.envelope.EnvelopeJarTask
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 import org.jetbrains.kotlin.gradle.dsl.JvmTarget
 
-group = 'net.woggioni'
 
-version = project.currentTag ?: "${getProperty('gbcs.version')}.${project.gitRevision[0..10]}"
+allprojects { subproject ->
+    group = 'net.woggioni'
 
-envelopeJar {
+        if(project.currentTag.isPresent()) {
-    mainModule = 'net.woggioni.gbcs'
+            version = project.currentTag.map { it[0] }.get()
-    mainClass = 'net.woggioni.gbcs.GradleBuildCacheServer'
+        } else {
-}
+            version = project.gitRevision.map { gitRevision ->
+                "${getProperty('gbcs.version')}.${gitRevision[0..10]}"
+            }.get()
+        }
 
-repositories {
+    repositories {
         maven {
             url = getProperty('gitea.maven.url')
             content {
                 includeModule 'net.woggioni', 'jwo'
+                includeModule 'net.woggioni', 'xmemcached'
                 includeGroup 'com.lys'
             }
         }
         mavenCentral()
-}
+    }
 
-dependencies {
+    pluginManager.withPlugin('java-library') {
-    implementation catalog.jwo
-    implementation catalog.slf4j.api
-    implementation catalog.netty.codec.http
 
-//    runtimeOnly catalog.slf4j.jdk14
+        ext {
-    runtimeOnly catalog.logback.classic
+            jpmsModuleName = subproject.group + '.' + subproject.name.replace('-', '.')
+        }
 
-    testImplementation catalog.bcprov.jdk18on
+        java {
-    testImplementation catalog.bcpkix.jdk18on
-    testImplementation catalog.junit.jupiter.api
-    testImplementation catalog.junit.jupiter.params
-    testRuntimeOnly catalog.junit.jupiter.engine
-}
-
-java {
             withSourcesJar()
             modularity.inferModulePath = true
             toolchain {
                 languageVersion = JavaLanguageVersion.of(21)
+                vendor = JvmVendorSpec.ORACLE
+            }
         }
-}
 
-test {
+        test {
             useJUnitPlatform()
-}
+        }
 
-tasks.named(JavaPlugin.COMPILE_JAVA_TASK_NAME, JavaCompile) {
+        tasks.withType(JavaCompile) {
-    options.compilerArgs << '--patch-module' << 'net.woggioni.gbcs=' + project.sourceSets.main.output.asPath
-    options.javaModuleVersion = provider { version }
-    options.javaModuleMainClass = envelopeJar.mainClass
-}
-
-tasks.withType(JavaCompile) {
             modularity.inferModulePath = true
             options.release = 21
-}
+        }
 
+        tasks.named(JavaPlugin.COMPILE_JAVA_TASK_NAME, JavaCompile) {
+            options.compilerArgumentProviders << new CommandLineArgumentProvider() {
+                @Override
+                Iterable<String> asArguments() {
+                    return ['--patch-module', subproject.jpmsModuleName + '=' + subproject.sourceSets.main.output.asPath]
+                }
+            }
+            options.javaModuleVersion = version
+        }
+    }
 
-tasks.named("compileKotlin", KotlinCompile.class) {
+    pluginManager.withPlugin(catalog.plugins.kotlin.jvm.get().pluginId) {
+        tasks.withType(KotlinCompile.class) {
             compilerOptions.jvmTarget = JvmTarget.JVM_21
-}
+        }
+    }
 
-Provider<EnvelopeJarTask> envelopeJarTaskProvider = tasks.named('envelopeJar', EnvelopeJarTask.class) {
+    pluginManager.withPlugin(catalog.plugins.lombok.get().pluginId) {
-//    systemProperties['java.util.logging.config.class'] = 'net.woggioni.gbcs.LoggingConfig'
+        lombok {
-//    systemProperties['log.config.source'] = 'logging.properties'
+            version = catalog.versions.lombok
-    systemProperties['logback.configurationFile'] = 'classpath:logback.xml'
+        }
-}
+    }
 
+    pluginManager.withPlugin('maven-publish') {
 
-def envelopeJarArtifact = artifacts.add('archives', envelopeJarTaskProvider.get().archiveFile.get().asFile) {
+        publishing {
-    type = 'jar'
-    builtBy envelopeJarTaskProvider
-}
-
-publishing {
             repositories {
                 maven {
                     name = "Gitea"
@@ -101,9 +98,35 @@ publishing {
                     }
                 }
             }
-    publications {
-        maven(MavenPublication) {
-            artifact envelopeJarArtifact
         }
     }
 }
+
+dependencies {
+    implementation catalog.jwo
+    implementation catalog.slf4j.api
+    implementation catalog.netty.codec.http
+
+    api project('gbcs-base')
+    api project('gbcs-api')
+
+//    runtimeOnly catalog.slf4j.jdk14
+    testRuntimeOnly catalog.logback.classic
+
+    testImplementation catalog.bcprov.jdk18on
+    testImplementation catalog.bcpkix.jdk18on
+    testImplementation catalog.junit.jupiter.api
+    testImplementation catalog.junit.jupiter.params
+    testRuntimeOnly catalog.junit.jupiter.engine
+
+    testRuntimeOnly project("gbcs-memcached")
+}
+
+publishing {
+    publications {
+        maven(MavenPublication) {
+            from(components["java"])
+        }
+    }
+}
+

conf/gbcs-memcached.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<gbcs:server useVirtualThreads="false" xmlns:xs="http://www.w3.org/2001/XMLSchema-instance"
+             xmlns:gbcs="urn:net.woggioni.gbcs"
+             xmlns:gbcs-memcached="urn:net.woggioni.gbcs-memcached"
+             xs:schemaLocation="urn:net.woggioni.gbcs-memcached jpms://net.woggioni.gbcs.memcached/net/woggioni/gbcs/memcached/schema/gbcs-memcached.xsd urn:net.woggioni.gbcs jpms://net.woggioni.gbcs/net/woggioni/gbcs/schema/gbcs.xsd">
+    <bind host="0.0.0.0" port="13080" />
+    <cache xs:type="gbcs-memcached:memcachedCacheType" max-age="P7D" max-size="16777216" compression-mode="zip">
+        <server host="memcached" port="11211"/>
+    </cache>
+    <authentication>
+        <none/>
+    </authentication>
+</gbcs:server>

docker-compose.yml

@@ -0,0 +1,37 @@
+networks:
+  default:
+    external: false
+    ipam:
+      driver: default
+      config:
+        - subnet: 172.118.0.0/16
+          ip_range: 172.118.0.0/16
+          gateway: 172.118.0.254
+services:
+  gbcs:
+    build:
+      context: .
+      target: compose
+    container_name: gbcs
+    restart: unless-stopped
+    ports:
+      - "127.0.0.1:8080:13080"
+      - "[::1]:8080:13080"
+    depends_on:
+      memcached:
+        condition: service_started
+    deploy:
+      resources:
+        limits:
+          cpus: "2.00"
+          memory: 256M
+  memcached:
+    image: memcached
+    container_name: memcached
+    restart: unless-stopped
+    command: -I 64m -m 900m
+    deploy:
+      resources:
+        limits:
+          cpus: "1.00"
+          memory: 1G

gbcs-api/build.gradle

@@ -0,0 +1,16 @@
+plugins {
+    id 'java-library'
+    id 'maven-publish'
+    alias catalog.plugins.lombok
+}
+
+dependencies {
+}
+
+publishing {
+    publications {
+        maven(MavenPublication) {
+            from(components["java"])
+        }
+    }
+}

gbcs-api/src/main/java/module-info.java

@@ -0,0 +1,6 @@
+module net.woggioni.gbcs.api {
+    requires static lombok;
+    requires java.xml;
+    exports net.woggioni.gbcs.api;
+    exports net.woggioni.gbcs.api.exception;
+}

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

@@ -0,0 +1,11 @@
+package net.woggioni.gbcs.api;
+
+import net.woggioni.gbcs.api.exception.ContentTooLargeException;
+
+import java.nio.channels.ReadableByteChannel;
+
+public interface Cache extends AutoCloseable {
+    ReadableByteChannel get(String key);
+
+    void put(String key, byte[] content) throws ContentTooLargeException;
+}

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

@@ -0,0 +1,17 @@
+package net.woggioni.gbcs.api;
+
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+
+public interface CacheProvider<T extends Configuration.Cache> {
+
+    String getXmlSchemaLocation();
+
+    String getXmlNamespace();
+
+    String getXmlType();
+
+    T deserialize(Element parent);
+
+    Element serialize(Document doc, T cache);
+}

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

@@ -0,0 +1,124 @@
+package net.woggioni.gbcs.api;
+
+
+import lombok.EqualsAndHashCode;
+import lombok.Value;
+
+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 {
+        @EqualsAndHashCode.Include
+        String name;
+        Set<Role> roles;
+    }
+
+    @Value
+    public static class User {
+        @EqualsAndHashCode.Include
+        String name;
+        String password;
+        Set<Group> groups;
+
+
+        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();
+    }
+
+    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
+        );
+    }
+}

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

@@ -0,0 +1,5 @@
+package net.woggioni.gbcs.api;
+
+public enum Role {
+    Reader, Writer
+}

gbcs-api/src/main/java/net/woggioni/gbcs/api/exception/ContentTooLargeException.java

@@ -0,0 +1,7 @@
+package net.woggioni.gbcs.api.exception;
+
+public class ContentTooLargeException extends GbcsException {
+    public ContentTooLargeException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}

gbcs-api/src/main/java/net/woggioni/gbcs/api/exception/GbcsException.java

@@ -0,0 +1,7 @@
+package net.woggioni.gbcs.api.exception;
+
+public class GbcsException extends RuntimeException {
+    public GbcsException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}

gbcs-base/build.gradle

@@ -0,0 +1,19 @@
+
+plugins {
+    id 'java-library'
+    id 'maven-publish'
+    alias catalog.plugins.kotlin.jvm
+}
+
+dependencies {
+    compileOnly project(':gbcs-api')
+    compileOnly catalog.slf4j.api
+}
+
+publishing {
+    publications {
+        maven(MavenPublication) {
+            from(components["java"])
+        }
+    }
+}

gbcs-base/src/main/java/module-info.java

@@ -0,0 +1,8 @@
+module net.woggioni.gbcs.base {
+    requires java.xml;
+    requires java.logging;
+    requires org.slf4j;
+    requires kotlin.stdlib;
+
+    exports net.woggioni.gbcs.base;
+}

gbcs-base/src/main/kotlin/net/woggioni/gbcs/base/GBCS.kt

@@ -0,0 +1,12 @@
+package net.woggioni.gbcs.base
+
+import java.net.URI
+import java.net.URL
+
+object GBCS {
+    fun String.toUrl() : URL = URL.of(URI(this), null)
+
+    const val GBCS_NAMESPACE_URI: String = "urn:net.woggioni.gbcs"
+    const val GBCS_PREFIX: String = "gbcs"
+    const val XML_SCHEMA_NAMESPACE_URI = "http://www.w3.org/2001/XMLSchema-instance"
+}

gbcs-base/src/main/kotlin/net/woggioni/gbcs/base/GbcsUrlStreamHandlerFactory.kt

@@ -0,0 +1,108 @@
+package net.woggioni.gbcs.base
+
+import java.io.IOException
+import java.io.InputStream
+import java.net.URL
+import java.net.URLConnection
+import java.net.URLStreamHandler
+import java.net.URLStreamHandlerFactory
+import java.util.Optional
+import java.util.concurrent.atomic.AtomicBoolean
+import java.util.stream.Collectors
+
+
+class GbcsUrlStreamHandlerFactory : URLStreamHandlerFactory {
+
+    private class ClasspathHandler(private val classLoader: ClassLoader = GbcsUrlStreamHandlerFactory::class.java.classLoader) :
+        URLStreamHandler() {
+
+        override fun openConnection(u: URL): URLConnection? {
+            return javaClass.module
+                ?.takeIf { m: Module -> m.layer != null }
+                ?.let {
+                    val path = u.path
+                    val i = path.lastIndexOf('/')
+                    val packageName = path.substring(0, i).replace('/', '.')
+                    val modules = packageMap[packageName]!!
+                    ClasspathResourceURLConnection(
+                        u,
+                        modules
+                    )
+                }
+                ?: classLoader.getResource(u.path)?.let(URL::openConnection)
+        }
+    }
+
+    private class JpmsHandler : URLStreamHandler() {
+
+        override fun openConnection(u: URL): URLConnection {
+            val thisModule = javaClass.module
+            val sourceModule = Optional.ofNullable(thisModule)
+                .map { obj: Module -> obj.layer }
+                .flatMap { layer: ModuleLayer ->
+                    val moduleName = u.host
+                    layer.findModule(moduleName)
+                }.orElse(thisModule)
+            return JpmsResourceURLConnection(u, sourceModule)
+        }
+    }
+
+    private class JpmsResourceURLConnection(url: URL, private val module: Module) : URLConnection(url) {
+        override fun connect() {
+        }
+
+        @Throws(IOException::class)
+        override fun getInputStream(): InputStream {
+            return module.getResourceAsStream(getURL().path)
+        }
+    }
+
+    override fun createURLStreamHandler(protocol: String): URLStreamHandler? {
+        return when (protocol) {
+            "classpath" -> ClasspathHandler()
+            "jpms" -> JpmsHandler()
+            else -> null
+        }
+    }
+
+    private class ClasspathResourceURLConnection(url: URL?, private val modules: List<Module>) :
+        URLConnection(url) {
+        override fun connect() {}
+
+        override fun getInputStream(): InputStream? {
+            for (module in modules) {
+                val result = module.getResourceAsStream(getURL().path)
+                if (result != null) return result
+            }
+            return null
+        }
+    }
+
+    companion object {
+        private val installed = AtomicBoolean(false)
+        fun install() {
+            if (!installed.getAndSet(true)) {
+                URL.setURLStreamHandlerFactory(GbcsUrlStreamHandlerFactory())
+            }
+        }
+
+        private val packageMap: Map<String, List<Module>> by lazy {
+            GbcsUrlStreamHandlerFactory::class.java.module.layer
+                .modules()
+                .stream()
+                .flatMap { m: Module ->
+                    m.packages.stream()
+                        .map { p: String -> p to m }
+                }
+                .collect(
+                    Collectors.groupingBy(
+                        Pair<String, Module>::first,
+                        Collectors.mapping(
+                            Pair<String, Module>::second,
+                            Collectors.toUnmodifiableList<Module>()
+                        )
+                    )
+                )
+        }
+    }
+}

gbcs-base/src/main/kotlin/net/woggioni/gbcs/base/HostAndPort.kt

@@ -0,0 +1,8 @@
+package net.woggioni.gbcs.base
+
+
+data class HostAndPort(val host: String, val port: Int = 0) {
+    override fun toString(): String {
+        return "$host:$port"
+    }
+}

gbcs-base/src/main/kotlin/net/woggioni/gbcs/base/Logging.kt

@@ -0,0 +1,104 @@
+package net.woggioni.gbcs.base
+
+import org.slf4j.Logger
+import org.slf4j.LoggerFactory
+import java.nio.file.Files
+import java.nio.file.Path
+import java.util.logging.LogManager
+
+inline fun <reified T> T.contextLogger() = LoggerFactory.getLogger(T::class.java)
+
+inline fun Logger.traceParam(messageBuilder : () -> Pair<String, Array<Any>>) {
+    if(isTraceEnabled) {
+        val (format, params) = messageBuilder()
+        trace(format, params)
+    }
+}
+
+inline fun Logger.debugParam(messageBuilder : () -> Pair<String, Array<Any>>) {
+    if(isDebugEnabled) {
+        val (format, params) = messageBuilder()
+        info(format, params)
+    }
+}
+
+inline fun Logger.infoParam(messageBuilder : () -> Pair<String, Array<Any>>) {
+    if(isInfoEnabled) {
+        val (format, params) = messageBuilder()
+        info(format, params)
+    }
+}
+
+inline fun Logger.warnParam(messageBuilder : () -> Pair<String, Array<Any>>) {
+    if(isWarnEnabled) {
+        val (format, params) = messageBuilder()
+        warn(format, params)
+    }
+}
+
+inline fun Logger.errorParam(messageBuilder : () -> Pair<String, Array<Any>>) {
+    if(isErrorEnabled) {
+        val (format, params) = messageBuilder()
+        error(format, params)
+    }
+}
+
+
+inline fun log(log : Logger,
+               filter : Logger.() -> Boolean,
+               loggerMethod : Logger.(String) -> Unit, messageBuilder : () -> String) {
+    if(log.filter()) {
+        log.loggerMethod(messageBuilder())
+    }
+}
+
+inline fun Logger.trace(messageBuilder : () -> String) {
+    if(isTraceEnabled) {
+        trace(messageBuilder())
+    }
+}
+
+inline fun Logger.debug(messageBuilder : () -> String) {
+    if(isDebugEnabled) {
+        debug(messageBuilder())
+    }
+}
+
+inline fun Logger.info(messageBuilder : () -> String) {
+    if(isInfoEnabled) {
+        info(messageBuilder())
+    }
+}
+
+inline fun Logger.warn(messageBuilder : () -> String) {
+    if(isWarnEnabled) {
+        warn(messageBuilder())
+    }
+}
+
+inline fun Logger.error(messageBuilder : () -> String) {
+    if(isErrorEnabled) {
+        error(messageBuilder())
+    }
+}
+
+
+class LoggingConfig {
+
+    init {
+        val logManager = LogManager.getLogManager()
+        System.getProperty("log.config.source")?.let withSource@ { source ->
+            val urls = LoggingConfig::class.java.classLoader.getResources(source)
+            while(urls.hasMoreElements()) {
+                val url = urls.nextElement()
+                url.openStream().use { inputStream ->
+                    logManager.readConfiguration(inputStream)
+                    return@withSource
+                }
+            }
+            Path.of(source).takeIf(Files::exists)
+                ?.let(Files::newInputStream)
+                ?.use(logManager::readConfiguration)
+        }
+    }
+}

gbcs-base/src/main/kotlin/net/woggioni/gbcs/base/PasswordSecurity.kt

@@ -0,0 +1,46 @@
+package net.woggioni.gbcs.base
+
+import java.security.SecureRandom
+import java.security.spec.KeySpec
+import java.util.Base64
+import javax.crypto.SecretKeyFactory
+import javax.crypto.spec.PBEKeySpec
+
+object PasswordSecurity {
+    private const val KEY_LENGTH = 256
+
+    private fun concat(arr1: ByteArray, arr2: ByteArray): ByteArray {
+        val result = ByteArray(arr1.size + arr2.size)
+        var j = 0
+        for(element in arr1) {
+            result[j] = element
+            j += 1
+        }
+        for(element in arr2) {
+            result[j] = element
+            j += 1
+        }
+        return result
+    }
+
+    fun hashPassword(password : String, salt : String? = null) : String {
+        val actualSalt = salt?.let(Base64.getDecoder()::decode) ?: SecureRandom().run {
+            val result = ByteArray(16)
+            nextBytes(result)
+            result
+        }
+        val spec: KeySpec = PBEKeySpec(password.toCharArray(), actualSalt, 10, KEY_LENGTH)
+        val factory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1")
+        val hash = factory.generateSecret(spec).encoded
+        return String(Base64.getEncoder().encode(concat(hash, actualSalt)))
+    }
+
+    fun decodePasswordHash(passwordHash : String) : Pair<ByteArray, ByteArray> {
+        val decoded = Base64.getDecoder().decode(passwordHash)
+        val hash = ByteArray(KEY_LENGTH / 8)
+        val salt = ByteArray(decoded.size - KEY_LENGTH / 8)
+        System.arraycopy(decoded, 0, hash, 0, hash.size)
+        System.arraycopy(decoded, hash.size, salt, 0, salt.size)
+        return hash to salt
+    }
+}

gbcs-base/src/main/kotlin/net/woggioni/gbcs/base/Xml.kt

@@ -1,4 +1,4 @@
-package net.woggioni.gbcs
+package net.woggioni.gbcs.base
 
 import org.slf4j.LoggerFactory
 import org.w3c.dom.Document
@@ -72,7 +72,7 @@ class ElementIterator(parent: Element, name: String? = null) : Iterator<Element>
     }
 }
 
-class Xml(private val doc: Document, val element: Element) {
+class Xml(val doc: Document, val element: Element) {
 
     class ErrorHandler(private val fileURL: URL) : ErrHandler {
 
@@ -127,9 +127,7 @@ class Xml(private val doc: Document, val element: Element) {
 
         fun getSchema(schema: URL): Schema {
             val sf = SchemaFactory.newInstance(W3C_XML_SCHEMA_NS_URI)
-            sf.setFeature(FEATURE_SECURE_PROCESSING, true)
+            sf.setFeature(FEATURE_SECURE_PROCESSING, false)
-//        disableProperty(sf, ACCESS_EXTERNAL_SCHEMA)
-//        disableProperty(sf, ACCESS_EXTERNAL_DTD)
             sf.errorHandler = ErrorHandler(schema)
             return sf.newSchema(schema)
         }
@@ -137,20 +135,19 @@ class Xml(private val doc: Document, val element: Element) {
         fun getSchema(inputStream: InputStream): Schema {
             val sf = SchemaFactory.newInstance(W3C_XML_SCHEMA_NS_URI)
             sf.setFeature(FEATURE_SECURE_PROCESSING, true)
-//        disableProperty(sf, ACCESS_EXTERNAL_SCHEMA)
-//        disableProperty(sf, ACCESS_EXTERNAL_DTD)
             return sf.newSchema(StreamSource(inputStream))
         }
 
         fun newDocumentBuilderFactory(schemaResourceURL: URL?): DocumentBuilderFactory {
             val dbf = DocumentBuilderFactory.newInstance()
-            dbf.setFeature(FEATURE_SECURE_PROCESSING, true)
+            dbf.setFeature(FEATURE_SECURE_PROCESSING, false)
-            disableProperty(dbf, ACCESS_EXTERNAL_SCHEMA)
+            dbf.setAttribute(ACCESS_EXTERNAL_SCHEMA, "all")
             disableProperty(dbf, ACCESS_EXTERNAL_DTD)
-            dbf.isExpandEntityReferences = false
+            dbf.isExpandEntityReferences = true
             dbf.isIgnoringComments = true
             dbf.isNamespaceAware = true
             dbf.isValidating = false
+            dbf.setFeature("http://apache.org/xml/features/validation/schema", true);
             schemaResourceURL?.let {
                 dbf.schema = getSchema(it)
             }
@@ -173,32 +170,10 @@ class Xml(private val doc: Document, val element: Element) {
         return sourceStream?.let(db::parse) ?: sourceURL.openStream().use(db::parse)
     }
 
-//
-//    fun newDocumentBuilder(resource: URL): DocumentBuilder {
-//        val db = newDocumentBuilderFactory(null).newDocumentBuilder()
-//        db.setErrorHandler(XmlErrorHandler(resource))
-//        return db
-//    }
-
-//    fun parseXmlResource(resource: URL): Document {
-//        val db = newDocumentBuilder(resource, null)
-//        return resource.openStream().use(db::parse)
-//    }
-
         fun write(doc: Document, output: OutputStream) {
             val transformerFactory = TransformerFactory.newInstance()
             val transformer = transformerFactory.newTransformer()
             transformer.setOutputProperty(OutputKeys.INDENT, "yes")
-//            val domImpl = doc.getImplementation()
-//            val docType = domImpl.createDocumentType(
-//                "plist",
-//                "-//Apple//DTD PLIST 1.0//EN",
-//                "http://www.apple.com/DTDs/PropertyList-1.0.dtd"
-//            )
-//            transformer.setOutputProperty(OutputKeys.DOCTYPE_PUBLIC, docType.getPublicId())
-//            transformer.setOutputProperty(OutputKeys.DOCTYPE_SYSTEM, docType.getSystemId())
-//            val transformerFactory = TransformerFactory.newInstance()
-//            val transformer: Transformer = transformerFactory.newTransformer()
             transformer.setOutputProperty(OutputKeys.INDENT, "yes")
             transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4")
             transformer.setOutputProperty(OutputKeys.STANDALONE, "yes")
@@ -228,15 +203,15 @@ class Xml(private val doc: Document, val element: Element) {
                 removeChild(firstChild ?: break)
             }
         }
-
     }
 
     fun node(
         name: String,
+        namespaceURI : String? = null,
         attrs: Map<String, String> = emptyMap(),
         cb: Xml.(el: Element) -> Unit = {}
     ): Element {
-        val child = doc.createElement(name)
+        val child = doc.createElementNS(namespaceURI, name)
         for ((key, value) in attrs) {
             child.setAttribute(key, value)
         }
@@ -247,13 +222,8 @@ class Xml(private val doc: Document, val element: Element) {
             }
     }
 
-
+    fun attr(key: String, value: String, namespaceURI : String? = null) {
-    fun attrs(vararg attributes: Pair<String, String>) {
+        element.setAttributeNS(namespaceURI, key, value)
-        for (attr in attributes) element.setAttribute(attr.first, attr.second)
-    }
-
-    fun attr(key: String, value: String) {
-        element.setAttribute(key, value)
     }
 
     fun text(txt: String) {

gbcs-cli/build.gradle

@@ -0,0 +1,66 @@
+plugins {
+    id 'java-library'
+    alias catalog.plugins.kotlin.jvm
+    alias catalog.plugins.envelope
+    alias catalog.plugins.sambal
+    alias catalog.plugins.graalvm.native.image
+    id 'maven-publish'
+}
+
+import net.woggioni.gradle.envelope.EnvelopeJarTask
+import net.woggioni.gradle.graalvm.NativeImagePlugin
+import net.woggioni.gradle.graalvm.NativeImageTask
+import net.woggioni.gradle.graalvm.NativeImageConfigurationTask
+import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
+import org.jetbrains.kotlin.gradle.dsl.JvmTarget
+
+Property<String> mainClassName = objects.property(String.class)
+mainClassName.set('net.woggioni.gbcs.cli.GradleBuildCacheServerCli')
+
+tasks.named(JavaPlugin.COMPILE_JAVA_TASK_NAME, JavaCompile) {
+    options.javaModuleMainClass = mainClassName
+}
+
+envelopeJar {
+    mainModule = 'net.woggioni.gbcs.cli'
+    mainClass = mainClassName
+
+    extraClasspath = ["plugins"]
+}
+
+dependencies {
+    implementation catalog.jwo
+    implementation catalog.slf4j.api
+    implementation catalog.netty.codec.http
+    implementation catalog.picocli
+
+    implementation rootProject
+
+//    runtimeOnly catalog.slf4j.jdk14
+    runtimeOnly catalog.logback.classic
+}
+
+Provider<EnvelopeJarTask> envelopeJarTaskProvider = tasks.named('envelopeJar', EnvelopeJarTask.class) {
+//    systemProperties['java.util.logging.config.class'] = 'net.woggioni.gbcs.LoggingConfig'
+//    systemProperties['log.config.source'] = 'logging.properties'
+    systemProperties['logback.configurationFile'] = 'classpath:net/woggioni/gbcs/cli/logback.xml'
+}
+
+tasks.named(NativeImagePlugin.CONFIGURE_NATIVE_IMAGE_TASK_NAME, NativeImageConfigurationTask) {
+    mainClass = 'net.woggioni.gbcs.GraalNativeImageConfiguration'
+}
+
+tasks.named(NativeImagePlugin.NATIVE_IMAGE_TASK_NAME, NativeImageTask) {
+    mainClass = 'net.woggioni.gbcs.GradleBuildCacheServer'
+    useMusl = true
+    buildStaticImage = true
+}
+
+publishing {
+    publications {
+        maven(MavenPublication) {
+            artifact envelopeJar
+        }
+    }
+}
+

gbcs-cli/native-image/native-image.properties

@@ -0,0 +1,2 @@
+Args=-H:Optimize=3 --gc=serial
+#-H:TraceClassInitialization=io.netty.handler.ssl.BouncyCastleAlpnSslUtils

gbcs-cli/src/main/java/module-info.java

@@ -0,0 +1,15 @@
+module net.woggioni.gbcs.cli {
+    requires org.slf4j;
+    requires net.woggioni.gbcs;
+    requires info.picocli;
+    requires net.woggioni.gbcs.base;
+    requires kotlin.stdlib;
+    requires net.woggioni.jwo;
+
+    exports net.woggioni.gbcs.cli.impl.converters to info.picocli;
+    opens net.woggioni.gbcs.cli.impl.commands to info.picocli;
+    opens net.woggioni.gbcs.cli.impl to info.picocli;
+    opens net.woggioni.gbcs.cli to info.picocli, net.woggioni.gbcs.base;
+
+    exports net.woggioni.gbcs.cli;
+}

gbcs-cli/src/main/kotlin/net/woggioni/gbcs/cli/GradleBuildCacheServerCli.kt

@@ -0,0 +1,98 @@
+package net.woggioni.gbcs.cli
+
+import net.woggioni.gbcs.GradleBuildCacheServer
+import net.woggioni.gbcs.GradleBuildCacheServer.Companion.DEFAULT_CONFIGURATION_URL
+import net.woggioni.gbcs.base.GbcsUrlStreamHandlerFactory
+import net.woggioni.gbcs.base.contextLogger
+import net.woggioni.gbcs.base.debug
+import net.woggioni.gbcs.base.info
+import net.woggioni.gbcs.cli.impl.AbstractVersionProvider
+import net.woggioni.gbcs.cli.impl.GbcsCommand
+import net.woggioni.gbcs.cli.impl.commands.PasswordHashCommand
+import net.woggioni.jwo.Application
+import net.woggioni.jwo.JWO
+import org.slf4j.Logger
+import picocli.CommandLine
+import picocli.CommandLine.Model.CommandSpec
+import java.io.ByteArrayOutputStream
+import java.nio.file.Files
+import java.nio.file.Path
+
+
+@CommandLine.Command(
+    name = "gbcs", versionProvider = GradleBuildCacheServerCli.VersionProvider::class
+)
+class GradleBuildCacheServerCli(application : Application, private val log : Logger) : GbcsCommand() {
+
+    class VersionProvider : AbstractVersionProvider()
+    companion object {
+        @JvmStatic
+        fun main(vararg args: String) {
+            Thread.currentThread().contextClassLoader = GradleBuildCacheServerCli::class.java.classLoader
+            GbcsUrlStreamHandlerFactory.install()
+            val log = contextLogger()
+            val app = Application.builder("gbcs")
+                .configurationDirectoryEnvVar("GBCS_CONFIGURATION_DIR")
+                .configurationDirectoryPropertyKey("net.woggioni.gbcs.conf.dir")
+                .build()
+            val gbcsCli = GradleBuildCacheServerCli(app, log)
+            val commandLine = CommandLine(gbcsCli)
+            commandLine.setExecutionExceptionHandler { ex, cl, parseResult ->
+                log.error(ex.message, ex)
+                CommandLine.ExitCode.SOFTWARE
+            }
+            commandLine.addSubcommand(PasswordHashCommand())
+            System.exit(commandLine.execute(*args))
+        }
+    }
+
+    @CommandLine.Option(
+        names = ["-c", "--config-file"],
+        description = ["Read the application configuration from this file"],
+        paramLabel = "CONFIG_FILE"
+    )
+    private var configurationFile: Path = findConfigurationFile(application)
+
+    @CommandLine.Option(names = ["-V", "--version"], versionHelp = true)
+    var versionHelp = false
+        private set
+
+    @CommandLine.Spec
+    private lateinit var spec: CommandSpec
+
+    private fun findConfigurationFile(app : Application): Path {
+        val confDir = app.computeConfigurationDirectory()
+        val configurationFile = confDir.resolve("gbcs.xml")
+        return configurationFile
+    }
+
+    private fun createDefaultConfigurationFile(configurationFile : Path) {
+        log.info {
+            "Creating default configuration file at '$configurationFile'"
+        }
+        val defaultConfigurationFileResource = DEFAULT_CONFIGURATION_URL
+        Files.newOutputStream(configurationFile).use { outputStream ->
+            defaultConfigurationFileResource.openStream().use { inputStream ->
+                JWO.copy(inputStream, outputStream)
+            }
+        }
+    }
+
+    override fun run() {
+        if (!Files.exists(configurationFile)) {
+            Files.createDirectories(configurationFile.parent)
+            createDefaultConfigurationFile(configurationFile)
+        }
+
+        val configuration = GradleBuildCacheServer.loadConfiguration(configurationFile)
+        log.debug {
+            ByteArrayOutputStream().also {
+                GradleBuildCacheServer.dumpConfiguration(configuration, it)
+            }.let {
+                "Server configuration:\n${String(it.toByteArray())}"
+            }
+        }
+        GradleBuildCacheServer(configuration).run().use {
+        }
+    }
+}

gbcs-cli/src/main/kotlin/net/woggioni/gbcs/cli/impl/AbstractVersionProvider.kt

@@ -0,0 +1,32 @@
+package net.woggioni.gbcs.cli.impl
+
+import picocli.CommandLine
+import java.net.URL
+import java.util.Enumeration
+import java.util.jar.Attributes
+import java.util.jar.JarFile
+import java.util.jar.Manifest
+
+
+abstract class AbstractVersionProvider : CommandLine.IVersionProvider {
+    private val version: String
+    private val vcsHash: String
+
+    init {
+        val mf = Manifest()
+        javaClass.module.getResourceAsStream(JarFile.MANIFEST_NAME).use { `is` ->
+            mf.read(`is`)
+        }
+        val mainAttributes = mf.mainAttributes
+        version = mainAttributes.getValue(Attributes.Name.SPECIFICATION_VERSION) ?: throw RuntimeException("Version information not found in manifest")
+        vcsHash = mainAttributes.getValue(Attributes.Name.IMPLEMENTATION_VERSION) ?: throw RuntimeException("Version information not found in manifest")
+    }
+
+    override fun getVersion(): Array<String?> {
+        return if (version.endsWith("-SNAPSHOT")) {
+            arrayOf(version, vcsHash)
+        } else {
+            arrayOf(version)
+        }
+    }
+}

gbcs-cli/src/main/kotlin/net/woggioni/gbcs/cli/impl/GbcsCommand.kt

@@ -0,0 +1,11 @@
+package net.woggioni.gbcs.cli.impl
+
+import picocli.CommandLine
+
+
+abstract class GbcsCommand : Runnable {
+
+    @CommandLine.Option(names = ["-h", "--help"], usageHelp = true)
+    var usageHelp = false
+        private set
+}

gbcs-cli/src/main/kotlin/net/woggioni/gbcs/cli/impl/commands/PasswordHashCommand.kt

@@ -0,0 +1,38 @@
+package net.woggioni.gbcs.cli.impl.commands
+
+import net.woggioni.gbcs.base.PasswordSecurity.hashPassword
+import net.woggioni.gbcs.cli.impl.GbcsCommand
+import net.woggioni.gbcs.cli.impl.converters.OutputStreamConverter
+import net.woggioni.jwo.UncloseableOutputStream
+import picocli.CommandLine
+import java.io.BufferedWriter
+import java.io.OutputStream
+import java.io.OutputStreamWriter
+
+
+@CommandLine.Command(
+    name = "password",
+    description = ["Generate a password hash to add to GBCS configuration file"],
+    showDefaultValues = true
+)
+class PasswordHashCommand : GbcsCommand() {
+    @CommandLine.Option(
+        names = ["-o", "--output-file"],
+        description = ["Write the output to a file instead of stdout"],
+        converter = [OutputStreamConverter::class],
+        defaultValue = "stdout",
+        paramLabel = "OUTPUT_FILE"
+    )
+    private var outputStream: OutputStream = UncloseableOutputStream(System.out)
+
+    override fun run() {
+        val password1 = String(System.console().readPassword("Type your password:"))
+        val password2 = String(System.console().readPassword("Type your password again for confirmation:"))
+        if(password1 != password2) throw IllegalArgumentException("Passwords do not match")
+
+        BufferedWriter(OutputStreamWriter(outputStream, Charsets.UTF_8)).use {
+            it.write(hashPassword(password1))
+            it.newLine()
+        }
+    }
+}

gbcs-cli/src/main/kotlin/net/woggioni/gbcs/cli/impl/converters/OutputStreamConverter.kt

@@ -0,0 +1,13 @@
+package net.woggioni.gbcs.cli.impl.converters
+
+import picocli.CommandLine
+import java.io.OutputStream
+import java.nio.file.Files
+import java.nio.file.Paths
+
+
+class OutputStreamConverter : CommandLine.ITypeConverter<OutputStream> {
+    override fun convert(value: String): OutputStream {
+        return Files.newOutputStream(Paths.get(value))
+    }
+}

gbcs-cli/src/main/resources/net/woggioni/gbcs/cli/logback.xml

@@ -6,7 +6,7 @@
     <import class="ch.qos.logback.core.ConsoleAppender"/>
 
     <appender name="console" class="ConsoleAppender">
-        <target>System.out</target>
+        <target>System.err</target>
         <encoder class="PatternLayoutEncoder">
             <pattern>%d [%highlight(%-5level)] \(%thread\) %logger{36} -%kvp- %msg %n</pattern>
         </encoder>
@@ -15,5 +15,7 @@
     <root level="debug">
         <appender-ref ref="console"/>
     </root>
-    <logger name="io.netty" level="info"/>
+    <logger name="io.netty" level="debug"/>
+    <logger name="com.google.code.yanf4j" level="warn"/>
+    <logger name="net.rubyeye.xmemcached" level="warn"/>
 </configuration>

gbcs-memcached/build.gradle

@@ -0,0 +1,49 @@
+import org.jetbrains.kotlin.gradle.dsl.JvmTarget
+import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
+
+plugins {
+    id 'java-library'
+    id 'maven-publish'
+    alias catalog.plugins.kotlin.jvm
+}
+
+configurations {
+    bundle {
+        extendsFrom runtimeClasspath
+        canBeResolved = true
+        canBeConsumed = false
+        visible = false
+
+        resolutionStrategy {
+            dependencies {
+                exclude group: 'org.slf4j', module: 'slf4j-api'
+                exclude group: 'org.jetbrains.kotlin', module: 'kotlin-stdlib'
+                exclude group: 'org.jetbrains', module: 'annotations'
+            }
+        }
+    }
+}
+dependencies {
+    compileOnly project(':gbcs-base')
+    compileOnly project(':gbcs-api')
+    compileOnly catalog.jwo
+    implementation catalog.xmemcached
+}
+
+Provider<Tar> bundleTask = tasks.register("bundle", Tar) {
+    from(tasks.named(JavaPlugin.JAR_TASK_NAME))
+    from(configurations.bundle)
+    group = BasePlugin.BUILD_GROUP
+}
+
+tasks.named(BasePlugin.ASSEMBLE_TASK_NAME) {
+    dependsOn(bundleTask)
+}
+
+publishing {
+    publications {
+        maven(MavenPublication) {
+            artifact bundleTask
+        }
+    }
+}

gbcs-memcached/src/main/java/module-info.java

@@ -0,0 +1,14 @@
+import net.woggioni.gbcs.api.CacheProvider;
+
+module net.woggioni.gbcs.memcached {
+    requires net.woggioni.gbcs.base;
+    requires net.woggioni.gbcs.api;
+    requires com.googlecode.xmemcached;
+    requires net.woggioni.jwo;
+    requires java.xml;
+    requires kotlin.stdlib;
+
+    provides CacheProvider with net.woggioni.gbcs.memcached.MemcachedCacheProvider;
+
+    opens net.woggioni.gbcs.memcached.schema;
+}

gbcs-memcached/src/main/kotlin/net/woggioni/gbcs/memcached/MemcachedCache.kt

@@ -0,0 +1,60 @@
+package net.woggioni.gbcs.memcached
+
+import net.rubyeye.xmemcached.MemcachedClient
+import net.rubyeye.xmemcached.XMemcachedClientBuilder
+import net.rubyeye.xmemcached.command.BinaryCommandFactory
+import net.rubyeye.xmemcached.transcoders.CompressionMode
+import net.rubyeye.xmemcached.transcoders.SerializingTranscoder
+import net.woggioni.gbcs.api.Cache
+import net.woggioni.gbcs.api.exception.ContentTooLargeException
+import net.woggioni.gbcs.base.HostAndPort
+import net.woggioni.jwo.JWO
+import java.io.ByteArrayInputStream
+import java.net.InetSocketAddress
+import java.nio.channels.Channels
+import java.nio.channels.ReadableByteChannel
+import java.nio.charset.StandardCharsets
+import java.security.MessageDigest
+import java.time.Duration
+
+class MemcachedCache(
+    servers: List<HostAndPort>,
+    private val maxAge: Duration,
+    maxSize : Int,
+    digestAlgorithm: String?,
+    compressionMode: CompressionMode,
+) : Cache {
+    private val memcachedClient = XMemcachedClientBuilder(
+        servers.stream().map { addr: HostAndPort -> InetSocketAddress(addr.host, addr.port) }.toList()
+    ).apply {
+        commandFactory = BinaryCommandFactory()
+        digestAlgorithm?.let { dAlg ->
+            setKeyProvider { key ->
+                val md = MessageDigest.getInstance(dAlg)
+                md.update(key.toByteArray(StandardCharsets.UTF_8))
+                JWO.bytesToHex(md.digest())
+            }
+        }
+        transcoder = SerializingTranscoder(maxSize).apply {
+            setCompressionMode(compressionMode)
+        }
+    }.build()
+
+    override fun get(key: String): ReadableByteChannel? {
+        return memcachedClient.get<ByteArray>(key)
+            ?.let(::ByteArrayInputStream)
+            ?.let(Channels::newChannel)
+    }
+
+    override fun put(key: String, content: ByteArray) {
+        try {
+            memcachedClient[key, maxAge.toSeconds().toInt()] = content
+        } catch (e: IllegalArgumentException) {
+            throw ContentTooLargeException(e.message, e)
+        }
+    }
+
+    override fun close() {
+        memcachedClient.shutdown()
+    }
+}

gbcs-memcached/src/main/kotlin/net/woggioni/gbcs/memcached/MemcachedCacheConfiguration.kt

@@ -0,0 +1,26 @@
+package net.woggioni.gbcs.memcached
+
+import net.rubyeye.xmemcached.transcoders.CompressionMode
+import net.woggioni.gbcs.api.Configuration
+import net.woggioni.gbcs.base.HostAndPort
+import java.time.Duration
+
+data class MemcachedCacheConfiguration(
+    var servers: List<HostAndPort>,
+    var maxAge: Duration = Duration.ofDays(1),
+    var maxSize: Int = 0x100000,
+    var digestAlgorithm: String? = null,
+    var compressionMode: CompressionMode = CompressionMode.ZIP,
+) : Configuration.Cache {
+    override fun materialize() = MemcachedCache(
+        servers,
+        maxAge,
+        maxSize,
+        digestAlgorithm,
+        compressionMode
+    )
+
+    override fun getNamespaceURI() = "urn:net.woggioni.gbcs-memcached"
+
+    override fun getTypeName() = "memcachedCacheType"
+}

gbcs-memcached/src/main/kotlin/net/woggioni/gbcs/memcached/MemcachedCacheProvider.kt

@@ -0,0 +1,85 @@
+package net.woggioni.gbcs.memcached
+
+import net.rubyeye.xmemcached.transcoders.CompressionMode
+import net.woggioni.gbcs.api.CacheProvider
+import net.woggioni.gbcs.base.GBCS
+import net.woggioni.gbcs.base.HostAndPort
+import net.woggioni.gbcs.base.Xml
+import net.woggioni.gbcs.base.Xml.Companion.asIterable
+import org.w3c.dom.Document
+import org.w3c.dom.Element
+import java.time.Duration
+import java.util.zip.Deflater
+
+class MemcachedCacheProvider : CacheProvider<MemcachedCacheConfiguration> {
+    override fun getXmlSchemaLocation() = "classpath:net/woggioni/gbcs/memcached/schema/gbcs-memcached.xsd"
+
+    override fun getXmlType() = "memcachedCacheType"
+
+    override fun getXmlNamespace()= "urn:net.woggioni.gbcs-memcached"
+
+    override fun deserialize(el: Element): MemcachedCacheConfiguration {
+        val servers = mutableListOf<HostAndPort>()
+        val maxAge = el.getAttribute("max-age")
+            .takeIf(String::isNotEmpty)
+            ?.let(Duration::parse)
+            ?: Duration.ofDays(1)
+        val maxSize = el.getAttribute("max-size")
+            .takeIf(String::isNotEmpty)
+            ?.let(String::toInt)
+            ?: 0x100000
+        val enableCompression = el.getAttribute("enable-compression")
+            .takeIf(String::isNotEmpty)
+            ?.let(String::toBoolean)
+            ?: false
+        val compressionMode = el.getAttribute("compression-mode")
+            .takeIf(String::isNotEmpty)
+            ?.let {
+                when(it) {
+                    "gzip" -> CompressionMode.GZIP
+                    "zip" -> CompressionMode.ZIP
+                    else -> CompressionMode.ZIP
+                }
+            }
+            ?: CompressionMode.ZIP
+        val digestAlgorithm = el.getAttribute("digest").takeIf(String::isNotEmpty)
+        for (child in el.asIterable()) {
+            when (child.nodeName) {
+                "server" -> {
+                    servers.add(HostAndPort(child.getAttribute("host"), child.getAttribute("port").toInt()))
+                }
+            }
+        }
+
+        return MemcachedCacheConfiguration(
+            servers,
+            maxAge,
+            maxSize,
+            digestAlgorithm,
+            compressionMode,
+        )
+    }
+
+    override fun serialize(doc: Document, cache : MemcachedCacheConfiguration) = cache.run {
+        val result = doc.createElementNS(xmlNamespace,"cache")
+        Xml.of(doc, result) {
+            attr("xs:type", xmlType, GBCS.XML_SCHEMA_NAMESPACE_URI)
+            for (server in servers) {
+                node("server", xmlNamespace) {
+                    attr("host", server.host)
+                    attr("port", server.port.toString())
+                }
+            }
+            attr("max-age", maxAge.toString())
+            attr("max-size", maxSize.toString())
+            digestAlgorithm?.let { digestAlgorithm ->
+                attr("digest", digestAlgorithm)
+            }
+            attr("compression-mode", when(compressionMode) {
+                CompressionMode.GZIP -> "gzip"
+                CompressionMode.ZIP -> "zip"
+            })
+        }
+        result
+    }
+}

gbcs-memcached/src/main/resources/META-INF/services/net.woggioni.gbcs.api.CacheProvider

@@ -0,0 +1 @@
+net.woggioni.gbcs.memcached.MemcachedCacheProvider

gbcs-memcached/src/main/resources/net/woggioni/gbcs/memcached/schema/gbcs-memcached.xsd

@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<xs:schema targetNamespace="urn:net.woggioni.gbcs-memcached"
+           xmlns:gbcs-memcached="urn:net.woggioni.gbcs-memcached"
+           xmlns:gbcs="urn:net.woggioni.gbcs"
+           xmlns:xs="http://www.w3.org/2001/XMLSchema">
+
+    <xs:import schemaLocation="classpath:net/woggioni/gbcs/schema/gbcs.xsd" namespace="urn:net.woggioni.gbcs"/>
+
+    <xs:complexType name="memcachedServerType">
+        <xs:attribute name="host" type="xs:string" use="required"/>
+        <xs:attribute name="port" type="xs:positiveInteger" use="required"/>
+    </xs:complexType>
+
+    <xs:complexType name="memcachedCacheType">
+        <xs:complexContent>
+            <xs:extension base="gbcs:cacheType">
+                <xs:sequence maxOccurs="unbounded">
+                    <xs:element name="server" type="gbcs-memcached:memcachedServerType"/>
+                </xs:sequence>
+                <xs:attribute name="max-age" type="xs:duration" default="P1D"/>
+                <xs:attribute name="max-size" type="xs:unsignedInt" default="1048576"/>
+                <xs:attribute name="digest" type="xs:token" />
+                <xs:attribute name="compression-type" type="gbcs-memcached:compressionType" default="deflate"/>
+            </xs:extension>
+        </xs:complexContent>
+    </xs:complexType>
+
+    <xs:simpleType name="compressionType">
+        <xs:restriction base="xs:token">
+            <xs:enumeration value="deflate"/>
+            <xs:enumeration value="gzip"/>
+        </xs:restriction>
+    </xs:simpleType>
+
+</xs:schema>

gradle.properties

@@ -1,5 +1,9 @@
-gbcs.version = 1.0.0
+org.gradle.configuration-cache=false
+org.gradle.parallel=true
+org.gradle.caching=true
 
-lys.version = 2024.12.21
+gbcs.version = 0.0.1
+
+lys.version = 2025.01.09
 
 gitea.maven.url = https://gitea.woggioni.net/api/packages/woggioni/maven

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.11.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.12-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME

gradlew

@@ -15,6 +15,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 
 ##############################################################################
 #
@@ -55,7 +57,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -84,7 +86,8 @@ done
 # shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
 # Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
-APP_HOME=$( cd "${APP_HOME:-./}" > /dev/null && pwd -P ) || exit
+APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s
+' "$PWD" ) || exit
 
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD=maximum

gradlew.bat

@@ -13,6 +13,8 @@
 @rem See the License for the specific language governing permissions and
 @rem limitations under the License.
 @rem
+@rem SPDX-License-Identifier: Apache-2.0
+@rem
 
 @if "%DEBUG%"=="" @echo off
 @rem ##########################################################################

native-image/native-image.properties

@@ -1 +0,0 @@
-Args=-H:Optimize=3 --gc=serial --libc=musl --static -H:TraceClassInitialization=io.netty.handler.ssl.BouncyCastleAlpnSslUtils 

settings.gradle

@@ -20,10 +20,15 @@ dependencyResolutionManagement {
     versionCatalogs {
         catalog {
             from group: 'com.lys', name: 'lys-catalog', version: getProperty('lys.version')
-            version('envelope', '2024.12.15')
         }
     }
 }
 
 rootProject.name = 'gbcs'
 
+include 'gbcs-api'
+include 'gbcs-base'
+include 'gbcs-memcached'
+include 'gbcs-cli'
+
+

src/main/java/module-info.java

@@ -1,6 +1,7 @@
-import net.woggioni.gbcs.url.ClasspathUrlStreamHandlerFactoryProvider;
+import net.woggioni.gbcs.api.CacheProvider;
+import net.woggioni.gbcs.cache.FileSystemCacheProvider;
 
-open module net.woggioni.gbcs {
+module net.woggioni.gbcs {
     requires java.sql;
     requires java.xml;
     requires java.logging;
@@ -14,10 +15,14 @@ open module net.woggioni.gbcs {
     requires io.netty.codec;
     requires org.slf4j;
     requires net.woggioni.jwo;
+    requires net.woggioni.gbcs.base;
+    requires net.woggioni.gbcs.api;
 
     exports net.woggioni.gbcs;
-    exports net.woggioni.gbcs.url;
+
-//    opens net.woggioni.gbcs to net.woggioni.envelope;
+    opens net.woggioni.gbcs;
-    provides java.net.URLStreamHandlerFactory with ClasspathUrlStreamHandlerFactoryProvider;
+    opens net.woggioni.gbcs.schema;
-    uses java.net.URLStreamHandlerFactory;
+
+    uses CacheProvider;
+    provides CacheProvider with FileSystemCacheProvider;
 }

src/main/java/net/woggioni/gbcs/NettyPingServer.java

@@ -1,88 +0,0 @@
-package net.woggioni.gbcs;
-
-import io.netty.bootstrap.ServerBootstrap;
-import io.netty.channel.*;
-import io.netty.channel.nio.NioEventLoopGroup;
-import io.netty.channel.socket.SocketChannel;
-import io.netty.channel.socket.nio.NioServerSocketChannel;
-import io.netty.handler.codec.string.StringDecoder;
-import io.netty.handler.codec.string.StringEncoder;
-import io.netty.util.CharsetUtil;
-
-public class NettyPingServer {
-    private final int port;
-
-    public NettyPingServer(int port) {
-        this.port = port;
-    }
-
-    public void start() throws Exception {
-        // Create event loop groups for handling incoming connections and processing
-        EventLoopGroup bossGroup = new NioEventLoopGroup();
-        EventLoopGroup workerGroup = new NioEventLoopGroup();
-
-        try {
-            // Create server bootstrap configuration
-            ServerBootstrap bootstrap = new ServerBootstrap()
-                    .group(bossGroup, workerGroup)
-                    .channel(NioServerSocketChannel.class)
-                    .childHandler(new ChannelInitializer<SocketChannel>() {
-                        @Override
-                        protected void initChannel(SocketChannel ch) throws Exception {
-                            ch.pipeline().addLast(
-                                    new StringDecoder(CharsetUtil.UTF_8),
-                                    new StringEncoder(CharsetUtil.UTF_8),
-                                    new PingServerHandler()
-                            );
-                        }
-                    })
-                    .option(ChannelOption.SO_BACKLOG, 128)
-                    .childOption(ChannelOption.SO_KEEPALIVE, true);
-
-            // Bind and start the server
-            ChannelFuture future = bootstrap.bind(port).sync();
-            System.out.println("Ping Server started on port: " + port);
-            try(final var handle = new GradleBuildCacheServer.ServerHandle(future, bossGroup, workerGroup)) {
-                Thread.sleep(5000);
-                future.channel().close();
-                // Wait until the server socket is closed
-                future.channel().closeFuture().sync();
-            }
-        } finally {
-            // Shutdown event loop groups
-//            workerGroup.shutdownGracefully();
-//            bossGroup.shutdownGracefully();
-        }
-    }
-
-    // Custom handler for processing ping requests
-    private static class PingServerHandler extends SimpleChannelInboundHandler<String> {
-        @Override
-        protected void channelRead0(ChannelHandlerContext ctx, String msg) throws Exception {
-            // Check if the received message is a ping request
-            if ("ping".equalsIgnoreCase(msg.trim())) {
-                // Respond with "pong"
-                ctx.writeAndFlush("pong\n");
-                System.out.println("Received ping, sent pong");
-            }
-        }
-
-        @Override
-        public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
-            // Log and close the connection in case of any errors
-            cause.printStackTrace();
-            ctx.close();
-        }
-    }
-
-    // Main method to start the server
-    public static void main(String[] args) throws Exception {
-        int port = 8080; // Default port
-        if (args.length > 0) {
-            port = Integer.parseInt(args[0]);
-        }
-
-        new NettyPingServer(port).start();
-    }
-}
-

src/main/java/net/woggioni/gbcs/url/ClasspathUrlStreamHandlerFactoryProvider.java

@@ -1,46 +0,0 @@
-package net.woggioni.gbcs.url;
-
-import net.woggioni.jwo.Fun;
-
-import java.io.IOException;
-import java.net.URL;
-import java.net.URLConnection;
-import java.net.URLStreamHandler;
-import java.net.URLStreamHandlerFactory;
-import java.util.Optional;
-
-public class ClasspathUrlStreamHandlerFactoryProvider implements URLStreamHandlerFactory {
-
-    private static class Handler extends URLStreamHandler {
-        private final ClassLoader classLoader;
-
-        public Handler() {
-            this.classLoader = getClass().getClassLoader();
-        }
-
-        public Handler(ClassLoader classLoader) {
-            this.classLoader = classLoader;
-        }
-
-        @Override
-        protected URLConnection openConnection(URL u) throws IOException {
-            final URL resourceUrl = classLoader.getResource(u.getPath());
-            return Optional.ofNullable(resourceUrl)
-                    .map((Fun<URL, URLConnection>) URL::openConnection)
-                    .orElseThrow(IOException::new);
-        }
-    }
-
-    @Override
-    public URLStreamHandler createURLStreamHandler(String protocol) {
-        URLStreamHandler result;
-        switch (protocol) {
-            case "classpath":
-                result = new Handler();
-                break;
-            default:
-                result = null;
-        }
-        return result;
-    }
-}

src/main/kotlin/net/woggioni/gbcs/GradleBuildCacheServer.kt

@@ -42,22 +42,29 @@ import io.netty.handler.stream.ChunkedNioStream
 import io.netty.handler.stream.ChunkedWriteHandler
 import io.netty.util.concurrent.DefaultEventExecutorGroup
 import io.netty.util.concurrent.EventExecutorGroup
-import net.woggioni.gbcs.cache.Cache
+import net.woggioni.gbcs.api.Cache
-import net.woggioni.gbcs.cache.FileSystemCache
+import net.woggioni.gbcs.api.Configuration
-import net.woggioni.gbcs.configuration.Configuration
+import net.woggioni.gbcs.api.Role
-import net.woggioni.gbcs.url.ClasspathUrlStreamHandlerFactoryProvider
+import net.woggioni.gbcs.api.exception.ContentTooLargeException
-import net.woggioni.jwo.Application
+import net.woggioni.gbcs.auth.AbstractNettyHttpAuthenticator
+import net.woggioni.gbcs.auth.Authorizer
+import net.woggioni.gbcs.auth.ClientCertificateValidator
+import net.woggioni.gbcs.auth.RoleAuthorizer
+import net.woggioni.gbcs.base.GBCS.toUrl
+import net.woggioni.gbcs.base.PasswordSecurity.decodePasswordHash
+import net.woggioni.gbcs.base.PasswordSecurity.hashPassword
+import net.woggioni.gbcs.base.Xml
+import net.woggioni.gbcs.base.contextLogger
+import net.woggioni.gbcs.configuration.Parser
+import net.woggioni.gbcs.configuration.Serializer
 import net.woggioni.jwo.JWO
 import net.woggioni.jwo.Tuple2
+import java.io.OutputStream
 import java.net.InetSocketAddress
-import java.net.URI
-import java.net.URL
-import java.net.URLStreamHandlerFactory
 import java.nio.channels.FileChannel
 import java.nio.file.Files
 import java.nio.file.Path
 import java.security.KeyStore
-import java.security.MessageDigest
 import java.security.PrivateKey
 import java.security.cert.X509Certificate
 import java.util.Arrays
@@ -107,7 +114,7 @@ class GradleBuildCacheServer(private val cfg: Configuration) {
         override fun authenticate(ctx: ChannelHandlerContext, req: HttpRequest): Set<Role>? {
             return try {
                 sslEngine.session.peerCertificates
-            } catch (es : SSLPeerUnverifiedException) {
+            } catch (es: SSLPeerUnverifiedException) {
                 null
             }?.takeIf {
                 it.isNotEmpty()
@@ -187,13 +194,13 @@ class GradleBuildCacheServer(private val cfg: Configuration) {
                         .map { it as X509Certificate }
                         .toArray { size -> Array<X509Certificate?>(size) { null } }
                 SslContextBuilder.forServer(serverKey, *serverCert).apply {
-                    if (tls.verifyClients) {
+                    if (tls.isVerifyClients) {
                         clientAuth(ClientAuth.OPTIONAL)
                         val trustStore = tls.trustStore
                         if (trustStore != null) {
                             val ts = loadKeystore(trustStore.file, trustStore.password)
                             trustManager(
-                                ClientCertificateValidator.getTrustManager(ts, trustStore.checkCertificateStatus)
+                                ClientCertificateValidator.getTrustManager(ts, trustStore.isCheckCertificateStatus)
                             )
                         }
                     }
@@ -259,7 +266,7 @@ class GradleBuildCacheServer(private val cfg: Configuration) {
         override fun initChannel(ch: Channel) {
             val pipeline = ch.pipeline()
             val auth = cfg.authentication
-            var authenticator : AbstractNettyHttpAuthenticator? = null
+            var authenticator: AbstractNettyHttpAuthenticator? = null
             if (auth is Configuration.BasicAuthentication) {
                 val roleAuthorizer = RoleAuthorizer()
                 authenticator = (NettyHttpBasicAuthenticator(cfg.users, roleAuthorizer))
@@ -268,7 +275,7 @@ class GradleBuildCacheServer(private val cfg: Configuration) {
                 val sslHandler = sslContext.newHandler(ch.alloc())
                 pipeline.addLast(sslHandler)
 
-                if(auth is Configuration.ClientCertificateAuthentication) {
+                if (auth is Configuration.ClientCertificateAuthentication) {
                     val roleAuthorizer = RoleAuthorizer()
                     authenticator = ClientCertificateAuthenticator(
                         roleAuthorizer,
@@ -282,16 +289,12 @@ class GradleBuildCacheServer(private val cfg: Configuration) {
             pipeline.addLast(HttpChunkContentCompressor(1024))
             pipeline.addLast(ChunkedWriteHandler())
             pipeline.addLast(HttpObjectAggregator(Int.MAX_VALUE))
-            authenticator?.let{
+            authenticator?.let {
                 pipeline.addLast(it)
             }
-            val cacheImplementation = when(val cache = cfg.cache) {
+            val cacheImplementation = cfg.cache.materialize()
-                is Configuration.FileSystemCache -> {
+            val prefix = Path.of("/").resolve(Path.of(cfg.serverPath ?: "/"))
-                    FileSystemCache(cache.root, cache.maxAge)
+            pipeline.addLast(group, ServerHandler(cacheImplementation, prefix))
-                }
-                else -> throw NotImplementedError()
-            }
-            pipeline.addLast(group, ServerHandler(cacheImplementation, cfg.serverPath))
             pipeline.addLast(ExceptionHandler())
         }
     }
@@ -305,6 +308,12 @@ class GradleBuildCacheServer(private val cfg: Configuration) {
             headers()[HttpHeaderNames.CONTENT_LENGTH] = "0"
         }
 
+        private val TOO_BIG: FullHttpResponse = DefaultFullHttpResponse(
+            HttpVersion.HTTP_1_1, HttpResponseStatus.REQUEST_ENTITY_TOO_LARGE, Unpooled.EMPTY_BUFFER
+        ).apply {
+            headers()[HttpHeaderNames.CONTENT_LENGTH] = "0"
+        }
+
         override fun exceptionCaught(ctx: ChannelHandlerContext, cause: Throwable) {
             when (cause) {
                 is DecoderException -> {
@@ -317,6 +326,11 @@ class GradleBuildCacheServer(private val cfg: Configuration) {
                         .addListener(ChannelFutureListener.CLOSE_ON_FAILURE)
                 }
 
+                is ContentTooLargeException -> {
+                    ctx.writeAndFlush(TOO_BIG.retainedDuplicate())
+                        .addListener(ChannelFutureListener.CLOSE_ON_FAILURE)
+                }
+
                 else -> {
                     log.error(cause.message, cause)
                     ctx.close()
@@ -325,27 +339,22 @@ class GradleBuildCacheServer(private val cfg: Configuration) {
         }
     }
 
-    private class ServerHandler(private val cache: Cache, private val serverPrefix: String?) :
+    private class ServerHandler(private val cache: Cache, private val serverPrefix: Path) :
         SimpleChannelInboundHandler<FullHttpRequest>() {
 
         companion object {
             private val log = contextLogger()
-
-            private fun splitPath(req: HttpRequest): Pair<String?, String> {
-                val uri = req.uri()
-                val i = uri.lastIndexOf('/')
-                if (i < 0) throw RuntimeException(String.format("Malformed request URI: '%s'", uri))
-                return uri.substring(0, i).takeIf(String::isNotEmpty) to uri.substring(i + 1)
-            }
         }
 
         override fun channelRead0(ctx: ChannelHandlerContext, msg: FullHttpRequest) {
             val keepAlive: Boolean = HttpUtil.isKeepAlive(msg)
             val method = msg.method()
             if (method === HttpMethod.GET) {
-                val (prefix, key) = splitPath(msg)
+                val path = Path.of(msg.uri())
+                val prefix = path.parent
+                val key = path.fileName.toString()
                 if (serverPrefix == prefix) {
-                    cache.get(digestString(key.toByteArray()))?.let { channel ->
+                    cache.get(key)?.let { channel ->
                         log.debug(ctx) {
                             "Cache hit for key '$key'"
                         }
@@ -369,6 +378,7 @@ class GradleBuildCacheServer(private val cfg: Configuration) {
                                         .addListener(ChannelFutureListener.CLOSE)
                                 }
                             }
+
                             else -> {
                                 ctx.write(ChunkedNioStream(channel))
                                 ctx.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT)
@@ -391,13 +401,24 @@ class GradleBuildCacheServer(private val cfg: Configuration) {
                     ctx.writeAndFlush(response)
                 }
             } else if (method === HttpMethod.PUT) {
-                val (prefix, key) = splitPath(msg)
+                val path = Path.of(msg.uri())
+                val prefix = path.parent
+                val key = path.fileName.toString()
+
                 if (serverPrefix == prefix) {
                     log.debug(ctx) {
                         "Added value for key '$key' to build cache"
                     }
-                    val content = msg.content()
+                    val bodyBytes = msg.content().run {
-                    cache.put(digestString(key.toByteArray()), content)
+                        if (isDirect) {
+                            ByteArray(readableBytes()).also {
+                                readBytes(it)
+                            }
+                        } else {
+                            array()
+                        }
+                    }
+                    cache.put(key, bodyBytes)
                     val response = DefaultFullHttpResponse(
                         msg.protocolVersion(), HttpResponseStatus.CREATED,
                         Unpooled.copiedBuffer(key.toByteArray())
@@ -424,15 +445,16 @@ class GradleBuildCacheServer(private val cfg: Configuration) {
     }
 
     class ServerHandle(
-        private val httpChannel: ChannelFuture,
+        httpChannelFuture: ChannelFuture,
         private val bossGroup: EventLoopGroup,
         private val workerGroup: EventLoopGroup
     ) : AutoCloseable {
+        private val httpChannel: Channel = httpChannelFuture.channel()
 
-        private val closeFuture: ChannelFuture = httpChannel.channel().closeFuture()
+        private val closeFuture: ChannelFuture = httpChannel.closeFuture()
 
         fun shutdown(): ChannelFuture {
-            return httpChannel.channel().close()
+            return httpChannel.close()
         }
 
         override fun close() {
@@ -451,12 +473,12 @@ class GradleBuildCacheServer(private val cfg: Configuration) {
 
     fun run(): ServerHandle {
         // Create the multithreaded event loops for the server
-        val bossGroup = NioEventLoopGroup()
+        val bossGroup = NioEventLoopGroup(0, Executors.defaultThreadFactory())
         val serverSocketChannel = NioServerSocketChannel::class.java
-        val workerGroup = if (cfg.useVirtualThread) {
+        val workerGroup = if (cfg.isUseVirtualThread) {
             NioEventLoopGroup(0, Executors.newVirtualThreadPerTaskExecutor())
         } else {
-            NioEventLoopGroup(0, Executors.newWorkStealingPool())
+            bossGroup
         }
         // A helper class that simplifies server configuration
         val bootstrap = ServerBootstrap().apply {
@@ -477,104 +499,17 @@ class GradleBuildCacheServer(private val cfg: Configuration) {
 
     companion object {
 
-        private fun String.toUrl() : URL = URL.of(URI(this), null)
-
-        private val log by lazy {
-            contextLogger()
-        }
-
-        private const val PROTOCOL_HANDLER = "java.protocol.handler.pkgs"
-        private const val HANDLERS_PACKAGE = "net.woggioni.gbcs.url"
-
-        val CONFIGURATION_SCHEMA_URL by lazy {
-            "classpath:net/woggioni/gbcs/gbcs.xsd".toUrl()
-        }
         val DEFAULT_CONFIGURATION_URL by lazy { "classpath:net/woggioni/gbcs/gbcs-default.xml".toUrl() }
 
-        /**
+        fun loadConfiguration(configurationFile: Path): Configuration {
-         * Reset any cached handlers just in case a jar protocol has already been used. We
+            val dbf = Xml.newDocumentBuilderFactory(null)
-         * reset the handler by trying to set a null [URLStreamHandlerFactory] which
+            val db = dbf.newDocumentBuilder()
-         * should have no effect other than clearing the handlers cache.
-         */
-        private fun resetCachedUrlHandlers() {
-            try {
-                URL.setURLStreamHandlerFactory(null)
-            } catch (ex: Error) {
-                // Ignore
-            }
-        }
-
-        fun registerUrlProtocolHandler() {
-            val handlers = System.getProperty(PROTOCOL_HANDLER, "")
-            System.setProperty(
-                PROTOCOL_HANDLER,
-                if (handlers == null || handlers.isEmpty()) HANDLERS_PACKAGE else "$handlers|$HANDLERS_PACKAGE"
-            )
-            resetCachedUrlHandlers()
-        }
-
-        fun loadConfiguration(args: Array<String>): Configuration {
-//            registerUrlProtocolHandler()
-            URL.setURLStreamHandlerFactory(ClasspathUrlStreamHandlerFactoryProvider())
-//            Thread.currentThread().contextClassLoader = GradleBuildCacheServer::class.java.classLoader
-            val app = Application.builder("gbcs")
-                .configurationDirectoryEnvVar("GBCS_CONFIGURATION_DIR")
-                .configurationDirectoryPropertyKey("net.woggioni.gbcs.conf.dir")
-                .build()
-            val confDir = app.computeConfigurationDirectory()
-            val configurationFile = confDir.resolve("gbcs.xml")
-            if (!Files.exists(configurationFile)) {
-                Files.createDirectories(confDir)
-                val defaultConfigurationFileResource = DEFAULT_CONFIGURATION_URL
-                Files.newOutputStream(configurationFile).use { outputStream ->
-                    defaultConfigurationFileResource.openStream().use { inputStream ->
-                        JWO.copy(inputStream, outputStream)
-                    }
-                }
-            }
-//            val schemaUrl = javaClass.getResource("/net/woggioni/gbcs/gbcs.xsd")
-            val schemaUrl = CONFIGURATION_SCHEMA_URL
-            val dbf = Xml.newDocumentBuilderFactory(schemaUrl)
-//            dbf.schema = Xml.getSchema(this::class.java.module.getResourceAsStream("/net/woggioni/gbcs/gbcs.xsd"))
-            dbf.schema = Xml.getSchema(schemaUrl)
-            val db = dbf.newDocumentBuilder().apply {
-                setErrorHandler(Xml.ErrorHandler(schemaUrl))
-            }
             val doc = Files.newInputStream(configurationFile).use(db::parse)
-            return Configuration.parse(doc)
+            return Parser.parse(doc)
         }
 
-        @JvmStatic
+        fun dumpConfiguration(conf : Configuration, outputStream: OutputStream) {
-        fun main(args: Array<String>) {
+            Xml.write(Serializer.serialize(conf), outputStream)
-            val configuration = loadConfiguration(args)
-            GradleBuildCacheServer(configuration).run().use {
-            }
-        }
-
-        fun digest(
-            data: ByteArray,
-            md: MessageDigest = MessageDigest.getInstance("MD5")
-        ): ByteArray {
-            md.update(data)
-            return md.digest()
-        }
-
-        fun digestString(
-            data: ByteArray,
-            md: MessageDigest = MessageDigest.getInstance("MD5")
-        ): String {
-            return JWO.bytesToHex(digest(data, md))
-        }
-    }
-}
-
-object GraalNativeImageConfiguration {
-    @JvmStatic
-    fun main(args: Array<String>) {
-        val conf = GradleBuildCacheServer.loadConfiguration(args)
-        GradleBuildCacheServer(conf).run().use {
-            Thread.sleep(3000)
-            it.shutdown()
         }
     }
 }

src/main/kotlin/net/woggioni/gbcs/Logging.kt

@@ -2,87 +2,7 @@ package net.woggioni.gbcs
 
 import io.netty.channel.ChannelHandlerContext
 import org.slf4j.Logger
-import org.slf4j.LoggerFactory
 import java.net.InetSocketAddress
-import java.nio.file.Files
-import java.nio.file.Path
-import java.util.logging.LogManager
-
-inline fun <reified T> T.contextLogger() = LoggerFactory.getLogger(T::class.java)
-
-inline fun Logger.traceParam(messageBuilder : () -> Pair<String, Array<Any>>) {
-    if(isTraceEnabled) {
-        val (format, params) = messageBuilder()
-        trace(format, params)
-    }
-}
-
-inline fun Logger.debugParam(messageBuilder : () -> Pair<String, Array<Any>>) {
-    if(isDebugEnabled) {
-        val (format, params) = messageBuilder()
-        info(format, params)
-    }
-}
-
-inline fun Logger.infoParam(messageBuilder : () -> Pair<String, Array<Any>>) {
-    if(isInfoEnabled) {
-        val (format, params) = messageBuilder()
-        info(format, params)
-    }
-}
-
-inline fun Logger.warnParam(messageBuilder : () -> Pair<String, Array<Any>>) {
-    if(isWarnEnabled) {
-        val (format, params) = messageBuilder()
-        warn(format, params)
-    }
-}
-
-inline fun Logger.errorParam(messageBuilder : () -> Pair<String, Array<Any>>) {
-    if(isErrorEnabled) {
-        val (format, params) = messageBuilder()
-        error(format, params)
-    }
-}
-
-
-inline fun log(log : Logger,
-               filter : Logger.() -> Boolean,
-               loggerMethod : Logger.(String) -> Unit, messageBuilder : () -> String) {
-    if(log.filter()) {
-        log.loggerMethod(messageBuilder())
-    }
-}
-
-inline fun Logger.trace(messageBuilder : () -> String) {
-    if(isTraceEnabled) {
-        trace(messageBuilder())
-    }
-}
-
-inline fun Logger.debug(messageBuilder : () -> String) {
-    if(isDebugEnabled) {
-        debug(messageBuilder())
-    }
-}
-
-inline fun Logger.info(messageBuilder : () -> String) {
-    if(isInfoEnabled) {
-        info(messageBuilder())
-    }
-}
-
-inline fun Logger.warn(messageBuilder : () -> String) {
-    if(isWarnEnabled) {
-        warn(messageBuilder())
-    }
-}
-
-inline fun Logger.error(messageBuilder : () -> String) {
-    if(isErrorEnabled) {
-        error(messageBuilder())
-    }
-}
 
 inline fun Logger.trace(ctx : ChannelHandlerContext, messageBuilder : () -> String) {
     log(this, ctx, { isTraceEnabled }, { trace(it) } , messageBuilder)
@@ -108,24 +28,3 @@ inline fun log(log : Logger, ctx : ChannelHandlerContext,
         log.loggerMethod(clientAddress + " - " + messageBuilder())
     }
 }
-
-
-class LoggingConfig {
-
-    init {
-        val logManager = LogManager.getLogManager()
-        System.getProperty("log.config.source")?.let withSource@ { source ->
-            val urls = LoggingConfig::class.java.classLoader.getResources(source)
-            while(urls.hasMoreElements()) {
-                val url = urls.nextElement()
-                url.openStream().use { inputStream ->
-                    logManager.readConfiguration(inputStream)
-                    return@withSource
-                }
-            }
-            Path.of(source).takeIf(Files::exists)
-                ?.let(Files::newInputStream)
-                ?.use(logManager::readConfiguration)
-        }
-    }
-}

src/main/kotlin/net/woggioni/gbcs/Role.kt

@@ -1,5 +0,0 @@
-package net.woggioni.gbcs
-
-enum class Role {
-    Reader, Writer
-}

src/main/kotlin/net/woggioni/gbcs/auth/Authenticator.kt

@@ -1,4 +1,4 @@
-package net.woggioni.gbcs
+package net.woggioni.gbcs.auth
 
 import io.netty.buffer.Unpooled
 import io.netty.channel.ChannelFutureListener
@@ -11,18 +11,13 @@ import io.netty.handler.codec.http.HttpRequest
 import io.netty.handler.codec.http.HttpResponseStatus
 import io.netty.handler.codec.http.HttpVersion
 import io.netty.util.ReferenceCountUtil
-import java.security.SecureRandom
+import net.woggioni.gbcs.api.Role
-import java.security.spec.KeySpec
-import java.util.Base64
-import javax.crypto.SecretKeyFactory
-import javax.crypto.spec.PBEKeySpec
 
 
 abstract class AbstractNettyHttpAuthenticator(private val authorizer : Authorizer)
         : ChannelInboundHandlerAdapter() {
 
     companion object {
-        private const val KEY_LENGTH = 256
         private val AUTHENTICATION_FAILED: FullHttpResponse = DefaultFullHttpResponse(
                 HttpVersion.HTTP_1_1, HttpResponseStatus.UNAUTHORIZED, Unpooled.EMPTY_BUFFER).apply {
             headers()[HttpHeaderNames.CONTENT_LENGTH] = "0"
@@ -32,50 +27,6 @@ abstract class AbstractNettyHttpAuthenticator(private val authorizer : Authorize
                 HttpVersion.HTTP_1_1, HttpResponseStatus.FORBIDDEN, Unpooled.EMPTY_BUFFER).apply {
             headers()[HttpHeaderNames.CONTENT_LENGTH] = "0"
         }
-
-        private fun concat(arr1: ByteArray, arr2: ByteArray): ByteArray {
-            val result = ByteArray(arr1.size + arr2.size)
-            var j = 0
-            for(element in arr1) {
-                result[j] = element
-                j += 1
-            }
-            for(element in arr2) {
-                result[j] = element
-                j += 1
-            }
-            return result
-        }
-
-
-        fun hashPassword(password : String, salt : String? = null) : String {
-            val actualSalt = salt?.let(Base64.getDecoder()::decode) ?: SecureRandom().run {
-                val result = ByteArray(16)
-                nextBytes(result)
-                result
-            }
-            val spec: KeySpec = PBEKeySpec(password.toCharArray(), actualSalt, 10, KEY_LENGTH)
-            val factory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1")
-            val hash = factory.generateSecret(spec).encoded
-            return String(Base64.getEncoder().encode(concat(hash, actualSalt)))
-        }
-
-//        fun decodePasswordHash(passwordHash : String) : Pair<String, String> {
-//            return passwordHash.indexOf(':')
-//                .takeIf { it > 0 }
-//                ?.let { sep ->
-//                    passwordHash.substring(0, sep) to passwordHash.substring(sep)
-//                } ?: throw IllegalArgumentException("Failed to decode password hash")
-//        }
-
-        fun decodePasswordHash(passwordHash : String) : Pair<ByteArray, ByteArray> {
-            val decoded = Base64.getDecoder().decode(passwordHash)
-            val hash = ByteArray(KEY_LENGTH / 8)
-            val salt = ByteArray(decoded.size - KEY_LENGTH / 8)
-            System.arraycopy(decoded, 0, hash, 0, hash.size)
-            System.arraycopy(decoded, hash.size, salt, 0, salt.size)
-            return hash to salt
-        }
     }
 
 

src/main/kotlin/net/woggioni/gbcs/auth/Authorizer.kt

@@ -1,6 +1,7 @@
-package net.woggioni.gbcs
+package net.woggioni.gbcs.auth
 
 import io.netty.handler.codec.http.HttpRequest
+import net.woggioni.gbcs.api.Role
 
 fun interface Authorizer {
     fun authorize(roles : Set<Role>, request: HttpRequest) : Boolean

src/main/kotlin/net/woggioni/gbcs/auth/ClientCertificateValidator.kt

@@ -1,4 +1,4 @@
-package net.woggioni.gbcs
+package net.woggioni.gbcs.auth
 
 import java.security.KeyStore
 import java.security.cert.CertPathValidator

src/main/kotlin/net/woggioni/gbcs/auth/UserAuthorizer.kt

@@ -1,7 +1,8 @@
-package net.woggioni.gbcs
+package net.woggioni.gbcs.auth
 
 import io.netty.handler.codec.http.HttpMethod
 import io.netty.handler.codec.http.HttpRequest
+import net.woggioni.gbcs.api.Role
 
 class RoleAuthorizer : Authorizer {
 

src/main/kotlin/net/woggioni/gbcs/cache/Cache.kt

@@ -1,10 +0,0 @@
-package net.woggioni.gbcs.cache
-
-import io.netty.buffer.ByteBuf
-import java.nio.channels.ByteChannel
-
-interface Cache {
-    fun get(key : String) : ByteChannel?
-
-    fun put(key : String, content : ByteBuf) : Unit
-}

src/main/kotlin/net/woggioni/gbcs/cache/FileSystemCache.kt

@@ -1,20 +1,32 @@
 package net.woggioni.gbcs.cache
 
-import io.netty.buffer.ByteBuf
+import net.woggioni.gbcs.api.Cache
-import net.woggioni.gbcs.GradleBuildCacheServer.Companion.digestString
+import net.woggioni.jwo.JWO
 import net.woggioni.jwo.LockFile
+import java.nio.channels.Channels
 import java.nio.channels.FileChannel
 import java.nio.file.Files
 import java.nio.file.Path
 import java.nio.file.StandardCopyOption
 import java.nio.file.StandardOpenOption
 import java.nio.file.attribute.BasicFileAttributes
+import java.security.MessageDigest
 import java.time.Duration
 import java.time.Instant
 import java.util.concurrent.atomic.AtomicReference
+import java.util.zip.Deflater
+import java.util.zip.DeflaterOutputStream
+import java.util.zip.Inflater
+import java.util.zip.InflaterInputStream
 
 
-class FileSystemCache(val root: Path, val maxAge: Duration) : Cache {
+class FileSystemCache(
+    val root: Path,
+    val maxAge: Duration,
+    val digestAlgorithm: String?,
+    val compressionEnabled: Boolean,
+    val compressionLevel: Int
+) : Cache {
 
     private fun lockFilePath(key: String): Path = root.resolve("$key.lock")
 
@@ -22,41 +34,53 @@ class FileSystemCache(val root: Path, val maxAge: Duration) : Cache {
         Files.createDirectories(root)
     }
 
-    override fun equals(other: Any?): Boolean {
-        return when (other) {
-            is FileSystemCache -> {
-                other.root == root && other.maxAge == maxAge
-            }
-
-            else -> false
-        }
-    }
-
-    override fun hashCode(): Int {
-        return root.hashCode() xor maxAge.hashCode()
-    }
-
     private var nextGc = AtomicReference(Instant.now().plus(maxAge))
 
-    override fun get(key: String) = LockFile.acquire(lockFilePath(key), true).use {
+    override fun get(key: String) = (digestAlgorithm
-        root.resolve(key).takeIf(Files::exists)?.let { FileChannel.open(it, StandardOpenOption.READ) }
+        ?.let(MessageDigest::getInstance)
+        ?.let { md ->
+            digestString(key.toByteArray(), md)
+        } ?: key).let { digest ->
+        LockFile.acquire(lockFilePath(digest), true).use {
+            root.resolve(digest).takeIf(Files::exists)?.let { file ->
+                if (compressionEnabled) {
+                    val inflater = Inflater()
+                    Channels.newChannel(InflaterInputStream(Files.newInputStream(file), inflater))
+                } else {
+                    FileChannel.open(file, StandardOpenOption.READ)
+                }
+            }
         }.also {
             gc()
         }
+    }
 
-    override fun put(key: String, content: ByteBuf) {
+    override fun put(key: String, content: ByteArray) {
-        LockFile.acquire(lockFilePath(key), false).use {
+        (digestAlgorithm
-            val file = root.resolve(key)
+            ?.let(MessageDigest::getInstance)
+            ?.let { md ->
+                digestString(key.toByteArray(), md)
+            } ?: key).let { digest ->
+            LockFile.acquire(lockFilePath(digest), false).use {
+                val file = root.resolve(digest)
                 val tmpFile = Files.createTempFile(root, null, ".tmp")
                 try {
-                Files.newOutputStream(tmpFile).use {
+                    Files.newOutputStream(tmpFile).let {
-                    content.readBytes(it, content.readableBytes())
+                        if (compressionEnabled) {
+                            val deflater = Deflater(compressionLevel)
+                            DeflaterOutputStream(it, deflater)
+                        } else {
+                            it
+                        }
+                    }.use {
+                        it.write(content)
                     }
                     Files.move(tmpFile, file, StandardCopyOption.ATOMIC_MOVE)
                 } catch (t: Throwable) {
                     Files.delete(tmpFile)
                     throw t
                 }
+            }
         }.also {
             gc()
         }
@@ -87,4 +111,23 @@ class FileSystemCache(val root: Path, val maxAge: Duration) : Cache {
             Files.delete(lockFile)
         }
     }
+
+    override fun close() {}
+
+    companion object {
+        fun digest(
+            data: ByteArray,
+            md: MessageDigest = MessageDigest.getInstance("MD5")
+        ): ByteArray {
+            md.update(data)
+            return md.digest()
+        }
+
+        fun digestString(
+            data: ByteArray,
+            md: MessageDigest = MessageDigest.getInstance("MD5")
+        ): String {
+            return JWO.bytesToHex(digest(data, md))
+        }
+    }
 }

src/main/kotlin/net/woggioni/gbcs/cache/FileSystemCacheConfiguration.kt

@@ -0,0 +1,27 @@
+package net.woggioni.gbcs.cache
+
+import net.woggioni.gbcs.api.Configuration
+import net.woggioni.gbcs.base.GBCS
+import net.woggioni.jwo.Application
+import java.nio.file.Path
+import java.time.Duration
+
+data class FileSystemCacheConfiguration(
+    val root: Path?,
+    val maxAge: Duration,
+    val digestAlgorithm : String?,
+    val compressionEnabled: Boolean,
+    val compressionLevel: Int,
+) : Configuration.Cache {
+    override fun materialize() = FileSystemCache(
+        root ?: Application.builder("gbcs").build().computeCacheDirectory(),
+        maxAge,
+        digestAlgorithm,
+        compressionEnabled,
+        compressionLevel
+    )
+
+    override fun getNamespaceURI() = GBCS.GBCS_NAMESPACE_URI
+
+    override fun getTypeName() = "fileSystemCacheType"
+}

src/main/kotlin/net/woggioni/gbcs/cache/FileSystemCacheProvider.kt

@@ -0,0 +1,66 @@
+package net.woggioni.gbcs.cache
+
+import net.woggioni.gbcs.api.CacheProvider
+import net.woggioni.gbcs.base.GBCS
+import net.woggioni.gbcs.base.Xml
+import org.w3c.dom.Document
+import org.w3c.dom.Element
+import java.nio.file.Path
+import java.time.Duration
+import java.util.zip.Deflater
+
+class FileSystemCacheProvider : CacheProvider<FileSystemCacheConfiguration> {
+
+    override fun getXmlSchemaLocation() = "classpath:net/woggioni/gbcs/schema/gbcs.xsd"
+
+    override fun getXmlType() = "fileSystemCacheType"
+
+    override fun getXmlNamespace() = "urn:net.woggioni.gbcs"
+
+    override fun deserialize(el: Element): FileSystemCacheConfiguration {
+        val path = el.getAttribute("path")
+            .takeIf(String::isNotEmpty)
+            ?.let(Path::of)
+        val maxAge = el.getAttribute("max-age")
+            .takeIf(String::isNotEmpty)
+            ?.let(Duration::parse)
+            ?: Duration.ofDays(1)
+        val enableCompression = el.getAttribute("enable-compression")
+            .takeIf(String::isNotEmpty)
+            ?.let(String::toBoolean)
+            ?: true
+        val compressionLevel = el.getAttribute("compression-level")
+            .takeIf(String::isNotEmpty)
+            ?.let(String::toInt)
+            ?: Deflater.DEFAULT_COMPRESSION
+        val digestAlgorithm = el.getAttribute("digest").takeIf(String::isNotEmpty) ?: "MD5"
+
+        return FileSystemCacheConfiguration(
+            path,
+            maxAge,
+            digestAlgorithm,
+            enableCompression,
+            compressionLevel
+        )
+    }
+
+    override fun serialize(doc: Document, cache : FileSystemCacheConfiguration) = cache.run {
+        val result = doc.createElement("cache")
+        Xml.of(doc, result) {
+            val prefix = doc.lookupPrefix(GBCS.GBCS_NAMESPACE_URI)
+            attr("xs:type", "${prefix}:fileSystemCacheType", GBCS.XML_SCHEMA_NAMESPACE_URI)
+            attr("path", root.toString())
+            attr("max-age", maxAge.toString())
+            digestAlgorithm?.let { digestAlgorithm ->
+                attr("digest", digestAlgorithm)
+            }
+            attr("enable-compression", compressionEnabled.toString())
+            compressionLevel.takeIf {
+                it != Deflater.DEFAULT_COMPRESSION
+            }?.let {
+                attr("compression-level", it.toString())
+            }
+        }
+        result
+    }
+}

src/main/kotlin/net/woggioni/gbcs/configuration/CacheSerializers.kt

@@ -0,0 +1,15 @@
+package net.woggioni.gbcs.configuration
+
+import net.woggioni.gbcs.api.CacheProvider
+import net.woggioni.gbcs.api.Configuration
+import java.util.ServiceLoader
+
+object CacheSerializers {
+    val index = (Configuration::class.java.module.layer?.let { layer ->
+        ServiceLoader.load(layer, CacheProvider::class.java)
+    } ?: ServiceLoader.load(CacheProvider::class.java))
+        .asSequence()
+        .map {
+            (it.xmlNamespace to it.xmlType) to it
+        }.toMap()
+}

src/main/kotlin/net/woggioni/gbcs/configuration/Configuration.kt

@@ -1,294 +0,0 @@
-package net.woggioni.gbcs.configuration
-
-import net.woggioni.gbcs.Role
-import net.woggioni.gbcs.Xml.Companion.asIterable
-import org.w3c.dom.Document
-import org.w3c.dom.Element
-import java.nio.file.Path
-import java.nio.file.Paths
-import java.security.cert.X509Certificate
-import java.time.Duration
-
-data class Configuration private constructor(
-    val host: String,
-    val port: Int,
-    val serverPath: String?,
-    val users: Map<String, User>,
-    val groups: Map<String, Group>,
-    val cache: Cache,
-    val authentication : Authentication?,
-    val tls: Tls?,
-    val useVirtualThread: Boolean
-) {
-
-    data class Group(val name: String, val roles: Set<Role>) {
-        override fun hashCode(): Int {
-            return name.hashCode()
-        }
-    }
-
-    data class User(val name: String, val password: String?, val groups: Set<Group>) {
-        override fun hashCode(): Int {
-            return name.hashCode()
-        }
-
-        val roles : Set<Role>
-            get() = groups.asSequence().flatMap { it.roles }.toSet()
-    }
-
-    data class HostAndPort(val host: String, val port: Int) {
-        override fun toString() = "$host:$port"
-    }
-
-    fun interface UserExtractor {
-        fun extract(cert :X509Certificate) : User
-    }
-
-    fun interface GroupExtractor {
-        fun extract(cert :X509Certificate) : Group
-    }
-
-    data class Tls(
-        val keyStore: KeyStore?,
-        val trustStore: TrustStore?,
-        val verifyClients: Boolean,
-    )
-
-    data class KeyStore(
-        val file: Path,
-        val password: String?,
-        val keyAlias: String,
-        val keyPassword: String?
-    )
-
-    data class TrustStore(
-        val file: Path,
-        val password: String?,
-        val checkCertificateStatus: Boolean
-    )
-
-
-    data class TlsCertificateExtractor(val rdnType : String, val pattern : String)
-
-    interface Authentication
-
-    class BasicAuthentication : Authentication
-
-    data class ClientCertificateAuthentication(
-        val userExtractor: TlsCertificateExtractor?,
-        val groupExtractor: TlsCertificateExtractor?) : Authentication
-
-
-    interface Cache
-
-    data class FileSystemCache(val root: Path, val maxAge: Duration) : Cache
-
-    companion object {
-
-        fun of(
-            host: String,
-            port: Int,
-            serverPath: String?,
-            users: Map<String, User>,
-            groups: Map<String, Group>,
-            cache: Cache,
-            authentication : Authentication?,
-            tls: Tls?,
-            useVirtualThread: Boolean
-        ) = Configuration(
-            host,
-            port,
-            serverPath?.takeIf { it.isNotEmpty() && it != "/" },
-            users,
-            groups,
-            cache,
-            authentication,
-            tls,
-            useVirtualThread
-        )
-
-        fun parse(document: Document): Configuration {
-            val root = document.documentElement
-            var cache: Cache? = null
-            var host = "127.0.0.1"
-            var port = 11080
-            var users = emptyMap<String, User>()
-            var groups = emptyMap<String, Group>()
-            var tls: Tls? = null
-            val serverPath = root.getAttribute("path")
-            val useVirtualThread = root.getAttribute("useVirtualThreads")
-                .takeIf(String::isNotEmpty)
-                ?.let(String::toBoolean) ?: false
-            var authentication : Authentication? = null
-            for (child in root.asIterable()) {
-                when (child.nodeName) {
-                    "authorization" -> {
-                        for (gchild in child.asIterable()) {
-                            when (child.nodeName) {
-                                "users" -> {
-                                    users = parseUsers(child)
-                                }
-
-                                "groups" -> {
-                                    val pair = parseGroups(child, users)
-                                    users = pair.first
-                                    groups = pair.second
-                                }
-                            }
-                        }
-                    }
-
-                    "bind" -> {
-                        host = child.getAttribute("host")
-                        port = Integer.parseInt(child.getAttribute("port"))
-                    }
-
-                    "cache" -> {
-                        for (gchild in child.asIterable()) {
-                            when (gchild.nodeName) {
-                                "file-system-cache" -> {
-                                    val cacheFolder = gchild.getAttribute("path")
-                                        .takeIf(String::isNotEmpty)
-                                        ?.let(Paths::get)
-                                        ?: Paths.get(System.getProperty("user.home")).resolve(".gbcs")
-                                    val maxAge = gchild.getAttribute("max-age")
-                                        .takeIf(String::isNotEmpty)
-                                        ?.let(Duration::parse)
-                                        ?: Duration.ofDays(1)
-                                    cache = FileSystemCache(cacheFolder, maxAge)
-                                }
-                            }
-                        }
-                    }
-
-                    "authentication" -> {
-                        for (gchild in child.asIterable()) {
-                            when (gchild.nodeName) {
-                                "basic" -> {
-                                    authentication = BasicAuthentication()
-                                }
-
-                                "client-certificate" -> {
-                                    var tlsExtractorUser : TlsCertificateExtractor? = null
-                                    var tlsExtractorGroup : TlsCertificateExtractor? = null
-                                    for (gchild in child.asIterable()) {
-                                        when (gchild.nodeName) {
-                                            "group-extractor" -> {
-                                                val attrName = gchild.getAttribute("attribute-name")
-                                                val pattern = gchild.getAttribute("pattern")
-                                                tlsExtractorGroup = TlsCertificateExtractor(attrName, pattern)
-                                            }
-
-                                            "user-extractor" -> {
-                                                val attrName = gchild.getAttribute("attribute-name")
-                                                val pattern = gchild.getAttribute("pattern")
-                                                tlsExtractorUser = TlsCertificateExtractor(attrName, pattern)
-                                            }
-                                        }
-                                    }
-                                    authentication = ClientCertificateAuthentication(tlsExtractorUser, tlsExtractorGroup)
-                                }
-                            }
-                        }
-                    }
-
-                    "tls" -> {
-                        val verifyClients = child.getAttribute("verify-clients")
-                            .takeIf(String::isNotEmpty)
-                            ?.let(String::toBoolean) ?: false
-                        var keyStore: KeyStore? = null
-                        var trustStore: TrustStore? = null
-                        for (granChild in child.asIterable()) {
-                            when (granChild.nodeName) {
-                                "keystore" -> {
-                                    val keyStoreFile = Paths.get(granChild.getAttribute("file"))
-                                    val keyStorePassword = granChild.getAttribute("password")
-                                        .takeIf(String::isNotEmpty)
-                                    val keyAlias = granChild.getAttribute("key-alias")
-                                    val keyPassword = granChild.getAttribute("key-password")
-                                        .takeIf(String::isNotEmpty)
-                                    keyStore = KeyStore(
-                                        keyStoreFile,
-                                        keyStorePassword,
-                                        keyAlias,
-                                        keyPassword
-                                    )
-                                }
-
-                                "truststore" -> {
-                                    val trustStoreFile = Paths.get(granChild.getAttribute("file"))
-                                    val trustStorePassword = granChild.getAttribute("password")
-                                        .takeIf(String::isNotEmpty)
-                                    val checkCertificateStatus = granChild.getAttribute("check-certificate-status")
-                                        .takeIf(String::isNotEmpty)
-                                        ?.let(String::toBoolean)
-                                        ?: false
-                                    trustStore = TrustStore(
-                                        trustStoreFile,
-                                        trustStorePassword,
-                                        checkCertificateStatus
-                                    )
-                                }
-                            }
-                        }
-                        tls = Tls(keyStore, trustStore, verifyClients)
-                    }
-                }
-            }
-            return of(host, port, serverPath, users, groups, cache!!, authentication, tls, useVirtualThread)
-        }
-
-        private fun parseRoles(root: Element) = root.asIterable().asSequence().map {
-            when (it.nodeName) {
-                "reader" -> Role.Reader
-                "writer" -> Role.Writer
-                else -> throw UnsupportedOperationException("Illegal node '${it.nodeName}'")
-            }
-        }.toSet()
-
-        private fun parseUserRefs(root: Element) = root.asIterable().asSequence().filter {
-            it.nodeName == "user"
-        }.map {
-            it.getAttribute("ref")
-        }.toSet()
-
-        private fun parseUsers(root: Element): Map<String, User> {
-            return root.asIterable().asSequence().filter {
-                it.nodeName == "user"
-            }.map { el ->
-                val username = el.getAttribute("name")
-                val password = el.getAttribute("password").takeIf(String::isNotEmpty)
-                username to User(username, password, emptySet())
-            }.toMap()
-        }
-
-        private fun parseGroups(root: Element, knownUsers : Map<String, User>): Pair<Map<String, User>, Map<String, Group>> {
-            val userGroups = mutableMapOf<String, MutableSet<String>>()
-            val groups =  root.asIterable().asSequence().filter {
-                it.nodeName == "group"
-            }.map { el ->
-                val groupName = el.getAttribute("name")
-                var roles = emptySet<Role>()
-                for (child in el.asIterable()) {
-                    when (child.nodeName) {
-                        "users" -> {
-                            parseUserRefs(child).mapNotNull(knownUsers::get).forEach { user ->
-                                userGroups.computeIfAbsent(user.name) {
-                                    mutableSetOf()
-                                }.add(groupName)
-                            }
-                        }
-                        "roles" -> {
-                            roles = parseRoles(child)
-                        }
-                    }
-                }
-                groupName to Group(groupName, roles)
-            }.toMap()
-            val users = knownUsers.map { (name, user) ->
-                name to User(name, user.password, userGroups[name]?.mapNotNull { groups[it] }?.toSet() ?: emptySet())
-            }.toMap()
-            return users to groups
-        }
-    }
-}

src/main/kotlin/net/woggioni/gbcs/configuration/Parser.kt

@@ -0,0 +1,199 @@
+package net.woggioni.gbcs.configuration
+
+import net.woggioni.gbcs.api.Configuration
+import net.woggioni.gbcs.api.Configuration.Authentication
+import net.woggioni.gbcs.api.Configuration.BasicAuthentication
+import net.woggioni.gbcs.api.Configuration.Cache
+import net.woggioni.gbcs.api.Configuration.ClientCertificateAuthentication
+import net.woggioni.gbcs.api.Configuration.Group
+import net.woggioni.gbcs.api.Configuration.KeyStore
+import net.woggioni.gbcs.api.Configuration.Tls
+import net.woggioni.gbcs.api.Configuration.TlsCertificateExtractor
+import net.woggioni.gbcs.api.Configuration.TrustStore
+import net.woggioni.gbcs.api.Configuration.User
+import net.woggioni.gbcs.api.Role
+import net.woggioni.gbcs.base.Xml.Companion.asIterable
+import org.w3c.dom.Document
+import org.w3c.dom.Element
+import org.w3c.dom.TypeInfo
+import java.lang.IllegalArgumentException
+import java.nio.file.Paths
+
+object Parser {
+
+    fun parse(document: Document): Configuration {
+        val root = document.documentElement
+        var cache: Cache? = null
+        var host = "127.0.0.1"
+        var port = 11080
+        var users = emptyMap<String, User>()
+        var groups = emptyMap<String, Group>()
+        var tls: Tls? = null
+        val serverPath = root.getAttribute("path")
+        val useVirtualThread = root.getAttribute("useVirtualThreads")
+            .takeIf(String::isNotEmpty)
+            ?.let(String::toBoolean) ?: false
+        var authentication: Authentication? = null
+        for (child in root.asIterable()) {
+            when (child.localName) {
+                "authorization" -> {
+                    for (gchild in child.asIterable()) {
+                        when (child.localName) {
+                            "users" -> {
+                                users = parseUsers(child)
+                            }
+
+                            "groups" -> {
+                                val pair = parseGroups(child, users)
+                                users = pair.first
+                                groups = pair.second
+                            }
+                        }
+                    }
+                }
+
+                "bind" -> {
+                    host = child.getAttribute("host")
+                    port = Integer.parseInt(child.getAttribute("port"))
+                }
+
+                "cache" -> {
+                    cache = (child as TypeInfo).let { tf ->
+                        val typeNamespace = tf.typeNamespace
+                        val typeName = tf.typeName
+                        CacheSerializers.index[typeNamespace to typeName]
+                            ?: throw IllegalArgumentException("Cache provider for namespace '$typeNamespace' not found")
+                    }.deserialize(child)
+                }
+
+                "authentication" -> {
+                    for (gchild in child.asIterable()) {
+                        when (gchild.localName) {
+                            "basic" -> {
+                                authentication = BasicAuthentication()
+                            }
+
+                            "client-certificate" -> {
+                                var tlsExtractorUser: TlsCertificateExtractor? = null
+                                var tlsExtractorGroup: TlsCertificateExtractor? = null
+                                for (gchild in child.asIterable()) {
+                                    when (gchild.localName) {
+                                        "group-extractor" -> {
+                                            val attrName = gchild.getAttribute("attribute-name")
+                                            val pattern = gchild.getAttribute("pattern")
+                                            tlsExtractorGroup = TlsCertificateExtractor(attrName, pattern)
+                                        }
+
+                                        "user-extractor" -> {
+                                            val attrName = gchild.getAttribute("attribute-name")
+                                            val pattern = gchild.getAttribute("pattern")
+                                            tlsExtractorUser = TlsCertificateExtractor(attrName, pattern)
+                                        }
+                                    }
+                                }
+                                authentication = ClientCertificateAuthentication(tlsExtractorUser, tlsExtractorGroup)
+                            }
+                        }
+                    }
+                }
+
+                "tls" -> {
+                    val verifyClients = child.getAttribute("verify-clients")
+                        .takeIf(String::isNotEmpty)
+                        ?.let(String::toBoolean) ?: false
+                    var keyStore: KeyStore? = null
+                    var trustStore: TrustStore? = null
+                    for (granChild in child.asIterable()) {
+                        when (granChild.localName) {
+                            "keystore" -> {
+                                val keyStoreFile = Paths.get(granChild.getAttribute("file"))
+                                val keyStorePassword = granChild.getAttribute("password")
+                                    .takeIf(String::isNotEmpty)
+                                val keyAlias = granChild.getAttribute("key-alias")
+                                val keyPassword = granChild.getAttribute("key-password")
+                                    .takeIf(String::isNotEmpty)
+                                keyStore = KeyStore(
+                                    keyStoreFile,
+                                    keyStorePassword,
+                                    keyAlias,
+                                    keyPassword
+                                )
+                            }
+
+                            "truststore" -> {
+                                val trustStoreFile = Paths.get(granChild.getAttribute("file"))
+                                val trustStorePassword = granChild.getAttribute("password")
+                                    .takeIf(String::isNotEmpty)
+                                val checkCertificateStatus = granChild.getAttribute("check-certificate-status")
+                                    .takeIf(String::isNotEmpty)
+                                    ?.let(String::toBoolean)
+                                    ?: false
+                                trustStore = TrustStore(
+                                    trustStoreFile,
+                                    trustStorePassword,
+                                    checkCertificateStatus
+                                )
+                            }
+                        }
+                    }
+                    tls = Tls(keyStore, trustStore, verifyClients)
+                }
+            }
+        }
+        return Configuration(host, port, serverPath, users, groups, cache!!, authentication, tls, useVirtualThread)
+    }
+
+    private fun parseRoles(root: Element) = root.asIterable().asSequence().map {
+        when (it.localName) {
+            "reader" -> Role.Reader
+            "writer" -> Role.Writer
+            else -> throw UnsupportedOperationException("Illegal node '${it.localName}'")
+        }
+    }.toSet()
+
+    private fun parseUserRefs(root: Element) = root.asIterable().asSequence().filter {
+        it.localName == "user"
+    }.map {
+        it.getAttribute("ref")
+    }.toSet()
+
+    private fun parseUsers(root: Element): Map<String, User> {
+        return root.asIterable().asSequence().filter {
+            it.localName == "user"
+        }.map { el ->
+            val username = el.getAttribute("name")
+            val password = el.getAttribute("password").takeIf(String::isNotEmpty)
+            username to User(username, password, emptySet())
+        }.toMap()
+    }
+
+    private fun parseGroups(root: Element, knownUsers: Map<String, User>): Pair<Map<String, User>, Map<String, Group>> {
+        val userGroups = mutableMapOf<String, MutableSet<String>>()
+        val groups = root.asIterable().asSequence().filter {
+            it.localName == "group"
+        }.map { el ->
+            val groupName = el.getAttribute("name")
+            var roles = emptySet<Role>()
+            for (child in el.asIterable()) {
+                when (child.localName) {
+                    "users" -> {
+                        parseUserRefs(child).mapNotNull(knownUsers::get).forEach { user ->
+                            userGroups.computeIfAbsent(user.name) {
+                                mutableSetOf()
+                            }.add(groupName)
+                        }
+                    }
+
+                    "roles" -> {
+                        roles = parseRoles(child)
+                    }
+                }
+            }
+            groupName to Group(groupName, roles)
+        }.toMap()
+        val users = knownUsers.map { (name, user) ->
+            name to User(name, user.password, userGroups[name]?.mapNotNull { groups[it] }?.toSet() ?: emptySet())
+        }.toMap()
+        return users to groups
+    }
+}

src/main/kotlin/net/woggioni/gbcs/configuration/Serializer.kt

@@ -1,34 +1,37 @@
 package net.woggioni.gbcs.configuration
 
-import net.woggioni.gbcs.Xml
+import net.woggioni.gbcs.api.CacheProvider
+import net.woggioni.gbcs.api.Configuration
+import net.woggioni.gbcs.base.GBCS
+import net.woggioni.gbcs.base.Xml
 import org.w3c.dom.Document
 
 object Serializer {
 
-    private const val GBCS_NAMESPACE: String = "urn:net.woggioni.gbcs"
-    private const val GBCS_PREFIX: String = "gbcs"
-
     fun serialize(conf : Configuration) : Document {
-        return Xml.of(GBCS_NAMESPACE, GBCS_PREFIX + ":server") {
+
-            attr("userVirtualThreads", conf.useVirtualThread.toString())
+        val schemaLocations = CacheSerializers.index.values.asSequence().map {
-            conf.serverPath?.let { serverPath ->
+            it.xmlNamespace to it.xmlSchemaLocation
+        }.toMap()
+        return Xml.of(GBCS.GBCS_NAMESPACE_URI, GBCS.GBCS_PREFIX + ":server") {
+            attr("useVirtualThreads", conf.isUseVirtualThread.toString())
+//            attr("xmlns:xs", GradleBuildCacheServer.XML_SCHEMA_NAMESPACE_URI)
+            val value = schemaLocations.asSequence().map { (k, v) -> "$k $v" }.joinToString(" ")
+            attr("xs:schemaLocation",value , namespaceURI = GBCS.XML_SCHEMA_NAMESPACE_URI)
+
+            conf.serverPath
+                ?.takeIf(String::isNotEmpty)
+                ?.let { serverPath ->
                 attr("path", serverPath)
             }
             node("bind") {
                 attr("host", conf.host)
                 attr("port", conf.port.toString())
             }
-            node("cache") {
+            val cache = conf.cache
-                when(val cache = conf.cache) {
+            val serializer : CacheProvider<Configuration.Cache> =
-                    is Configuration.FileSystemCache -> {
+                (CacheSerializers.index[cache.namespaceURI to cache.typeName] as? CacheProvider<Configuration.Cache>) ?: throw NotImplementedError()
-                        node("file-system-cache") {
+            element.appendChild(serializer.serialize(doc, cache))
-                            attr("path", cache.root.toString())
-                            attr("max-age", cache.maxAge.toString())
-                        }
-                    }
-                    else -> throw NotImplementedError()
-                }
-            }
             node("authorization") {
                 node("users") {
                     for(user in conf.users.values) {
@@ -112,7 +115,7 @@ object Serializer {
                             trustStore.password?.let { password ->
                                 attr("password", password)
                             }
-                            attr("check-certificate-status", trustStore.checkCertificateStatus.toString())
+                            attr("check-certificate-status", trustStore.isCheckCertificateStatus.toString())
                         }
                     }
                 }

src/main/resources/META-INF/services/net.woggioni.gbcs.api.CacheProvider

@@ -0,0 +1 @@
+net.woggioni.gbcs.cache.FileSystemCacheProvider

src/main/resources/net/woggioni/gbcs/gbcs-default.xml

@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<gbcs:server xmlns:gbcs="urn:net.woggioni.gbcs" useVirtualThreads="false">
+<gbcs:server useVirtualThreads="false" xmlns:xs="http://www.w3.org/2001/XMLSchema-instance"
-    <bind host="127.0.0.1" port="11443"/>
+             xmlns:gbcs="urn:net.woggioni.gbcs"
-    <cache>
+             xs:schemaLocation="urn:net.woggioni.gbcs jpms://net.woggioni.gbcs/net/woggioni/gbcs/schema/gbcs.xsd">
-        <file-system-cache path="/tmp/gbcs" max-age="P7D"/>
+    <bind host="127.0.0.1" port="8080"/>
-    </cache>
+    <cache xs:type="gbcs:fileSystemCacheType" path="/tmp/gbcs" max-age="P7D"/>
     <authentication>
         <none/>
     </authentication>

src/main/resources/net/woggioni/gbcs/schema/gbcs.xsd

@@ -1,7 +1,9 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <xs:schema targetNamespace="urn:net.woggioni.gbcs"
            xmlns:xs="http://www.w3.org/2001/XMLSchema"
-           xmlns:gbcs="urn:net.woggioni.gbcs">
+           xmlns:gbcs="urn:net.woggioni.gbcs"
+           elementFormDefault="unqualified"
+>
     <xs:element name="server" type="gbcs:serverType"/>
 
     <xs:complexType name="serverType">
@@ -21,7 +23,7 @@
                     <xs:field xpath="@ref"/>
                 </xs:keyref>
             </xs:element>
-            <xs:element name="authentication" type="gbcs:authenticationType" maxOccurs="1"/>
+            <xs:element name="authentication" type="gbcs:authenticationType" minOccurs="0" maxOccurs="1"/>
             <xs:element name="tls-certificate-authorization" type="gbcs:tlsCertificateAuthorizationType" minOccurs="0" maxOccurs="1"/>
             <xs:element name="tls" type="gbcs:tlsType" minOccurs="0" maxOccurs="1"/>
         </xs:sequence>
@@ -34,15 +36,18 @@
         <xs:attribute name="port" type="xs:unsignedShort" use="required"/>
     </xs:complexType>
 
-    <xs:complexType name="cacheType">
+    <xs:complexType name="cacheType" abstract="true"/>
-        <xs:choice>
-            <xs:element name="file-system-cache" type="gbcs:fileSystemCacheType"/>
-        </xs:choice>
-    </xs:complexType>
 
     <xs:complexType name="fileSystemCacheType">
+        <xs:complexContent>
+            <xs:extension base="gbcs:cacheType">
                 <xs:attribute name="path" type="xs:string" use="required"/>
-        <xs:attribute name="max-age" type="xs:string" default="P1D"/>
+                <xs:attribute name="max-age" type="xs:duration" default="P1D"/>
+                <xs:attribute name="digest" type="xs:token" default="MD5"/>
+                <xs:attribute name="enable-compression" type="xs:boolean" default="true"/>
+                <xs:attribute name="compression-level" type="xs:byte" default="-1"/>
+            </xs:extension>
+        </xs:complexContent>
     </xs:complexType>
 
     <xs:complexType name="tlsCertificateAuthorizationType">

src/test/java/module-info.java.backup

@@ -1,7 +0,0 @@
-module net.woggioni.gbcs.test {
-    requires org.junit.jupiter.api;
-    requires net.woggioni.gbcs;
-    requires kotlin.stdlib;
-    requires java.xml;
-    requires java.naming;
-}

src/test/java/net/woggioni/gbcs/utils/CertificateUtils.java

@@ -9,16 +9,13 @@ import org.bouncycastle.asn1.x509.GeneralName;
 import org.bouncycastle.asn1.x509.GeneralNames;
 import org.bouncycastle.asn1.x509.KeyPurposeId;
 import org.bouncycastle.asn1.x509.KeyUsage;
-import org.bouncycastle.asn1.x509.SubjectAltPublicKeyInfo;
 import org.bouncycastle.cert.X509v3CertificateBuilder;
 import org.bouncycastle.cert.jcajce.JcaX509CertificateConverter;
 import org.bouncycastle.cert.jcajce.JcaX509v3CertificateBuilder;
 import org.bouncycastle.operator.ContentSigner;
 import org.bouncycastle.operator.jcajce.JcaContentSignerBuilder;
 
-import java.io.FileOutputStream;
 import java.math.BigInteger;
-import java.net.InetAddress;
 import java.security.KeyPair;
 import java.security.KeyPairGenerator;
 import java.security.PrivateKey;

src/test/java/net/woggioni/gbcs/utils/NetworkUtils.java

@@ -0,0 +1,30 @@
+package net.woggioni.gbcs.utils;
+
+import net.woggioni.jwo.JWO;
+
+import java.io.IOException;
+import java.net.InetAddress;
+import java.net.ServerSocket;
+
+public class NetworkUtils {
+
+    private static final int MAX_ATTEMPTS = 50;
+
+    public static int getFreePort() {
+        int count = 0;
+        while(count < MAX_ATTEMPTS) {
+            try (ServerSocket serverSocket = new ServerSocket(0, 50, InetAddress.getLocalHost())) {
+                final var candidate = serverSocket.getLocalPort();
+                if (candidate > 0) {
+                    return candidate;
+                } else {
+                    JWO.newThrowable(RuntimeException.class, "Got invalid port number: %d", candidate);
+                    throw new RuntimeException("Error trying to find an open port");
+                }
+            } catch (IOException ignored) {
+                ++count;
+            }
+        }
+        throw new RuntimeException("Error trying to find an open port");
+    }
+}

src/test/kotlin/net/woggioni/gbcs/test/AbstractServerTest.kt

@@ -1,10 +1,9 @@
 package net.woggioni.gbcs.test
 
 import net.woggioni.gbcs.GradleBuildCacheServer
-import net.woggioni.gbcs.configuration.Configuration
+import net.woggioni.gbcs.api.Configuration
 import org.junit.jupiter.api.AfterAll
 import org.junit.jupiter.api.BeforeAll
-import org.junit.jupiter.api.ClassOrderer
 import org.junit.jupiter.api.MethodOrderer
 import org.junit.jupiter.api.TestInstance
 import org.junit.jupiter.api.TestMethodOrder

src/test/kotlin/net/woggioni/gbcs/test/BasicAuthServerTest.kt

@@ -1,16 +1,17 @@
 package net.woggioni.gbcs.test
 
-import io.netty.handler.codec.Headers
 import io.netty.handler.codec.http.HttpResponseStatus
-import net.woggioni.gbcs.AbstractNettyHttpAuthenticator.Companion.hashPassword
+import net.woggioni.gbcs.api.Configuration
-import net.woggioni.gbcs.Authorizer
+import net.woggioni.gbcs.api.Role
-import net.woggioni.gbcs.Role
+import net.woggioni.gbcs.base.PasswordSecurity.hashPassword
-import net.woggioni.gbcs.Xml
+import net.woggioni.gbcs.base.Xml
-import net.woggioni.gbcs.configuration.Configuration
+import net.woggioni.gbcs.cache.FileSystemCacheConfiguration
 import net.woggioni.gbcs.configuration.Serializer
+import net.woggioni.gbcs.utils.NetworkUtils
 import org.junit.jupiter.api.Assertions
 import org.junit.jupiter.api.Order
 import org.junit.jupiter.api.Test
+import java.io.IOException
 import java.net.ServerSocket
 import java.net.URI
 import java.net.http.HttpClient
@@ -20,6 +21,7 @@ import java.nio.charset.StandardCharsets
 import java.nio.file.Path
 import java.time.Duration
 import java.util.Base64
+import java.util.zip.Deflater
 import kotlin.random.Random
 
 
@@ -33,25 +35,31 @@ class BasicAuthServerTest : AbstractServerTest() {
 
     private val random = Random(101325)
     private val keyValuePair = newEntry(random)
+    private val serverPath = "gbcs"
 
     override fun setUp() {
         this.cacheDir = testDir.resolve("cache")
         val readersGroup = Configuration.Group("readers", setOf(Role.Reader))
         val writersGroup = Configuration.Group("writers", setOf(Role.Writer))
-        cfg = Configuration.of(
+        cfg = Configuration(
-            cache = Configuration.FileSystemCache(this.cacheDir, maxAge = Duration.ofSeconds(3600 * 24)),
+            "127.0.0.1",
-            host = "127.0.0.1",
+            NetworkUtils.getFreePort(),
-            port = ServerSocket(0).localPort + 1,
+            serverPath,
-            users = listOf(
+            listOf(
                 Configuration.User("user1", hashPassword(PASSWORD), setOf(readersGroup)),
                 Configuration.User("user2", hashPassword(PASSWORD), setOf(writersGroup)),
                 Configuration.User("user3", hashPassword(PASSWORD), setOf(readersGroup, writersGroup))
             ).asSequence().map { it.name to it}.toMap(),
-            groups = sequenceOf(writersGroup, readersGroup).map { it.name to it}.toMap(),
+            sequenceOf(writersGroup, readersGroup).map { it.name to it}.toMap(),
-            authentication = Configuration.BasicAuthentication(),
+            FileSystemCacheConfiguration(this.cacheDir,
-            useVirtualThread = true,
+                maxAge = Duration.ofSeconds(3600 * 24),
-            tls = null,
+                digestAlgorithm = "MD5",
-            serverPath = "/"
+                compressionLevel = Deflater.DEFAULT_COMPRESSION,
+                compressionEnabled = false
+            ),
+            Configuration.BasicAuthentication(),
+            null,
+            true,
         )
         Xml.write(Serializer.serialize(cfg), System.out)
     }
@@ -67,7 +75,7 @@ class BasicAuthServerTest : AbstractServerTest() {
     }
 
     fun newRequestBuilder(key : String) = HttpRequest.newBuilder()
-        .uri(URI.create("http://${cfg.host}:${cfg.port}/$key"))
+        .uri(URI.create("http://${cfg.host}:${cfg.port}/$serverPath/$key"))
 
 
     fun newEntry(random : Random) : Pair<String, ByteArray> {

src/test/kotlin/net/woggioni/gbcs/test/ConfigurationTest.kt

@@ -1,32 +1,37 @@
 package net.woggioni.gbcs.test
 
-import net.woggioni.gbcs.configuration.Configuration
+import net.woggioni.gbcs.base.GbcsUrlStreamHandlerFactory
-import net.woggioni.gbcs.GradleBuildCacheServer
+import net.woggioni.gbcs.base.GBCS.toUrl
-import net.woggioni.gbcs.Xml
+import net.woggioni.gbcs.base.Xml
+import net.woggioni.gbcs.configuration.Parser
 import net.woggioni.gbcs.configuration.Serializer
-import net.woggioni.gbcs.url.ClasspathUrlStreamHandlerFactoryProvider
 import org.junit.jupiter.api.Assertions
-import org.junit.jupiter.api.Test
 import org.junit.jupiter.api.io.TempDir
-import java.net.URL
+import org.junit.jupiter.params.ParameterizedTest
+import org.junit.jupiter.params.provider.ValueSource
 import java.nio.file.Files
 import java.nio.file.Path
 
 class ConfigurationTest {
 
-    @Test
+    @ValueSource(
-    fun test(@TempDir testDir : Path) {
+        strings = [
-        URL.setURLStreamHandlerFactory(ClasspathUrlStreamHandlerFactoryProvider())
+            "classpath:net/woggioni/gbcs/test/gbcs-default.xml",
-        val dbf = Xml.newDocumentBuilderFactory(GradleBuildCacheServer.CONFIGURATION_SCHEMA_URL)
+            "classpath:net/woggioni/gbcs/test/gbcs-memcached.xml",
-        val db = dbf.newDocumentBuilder()
+        ]
-        val configurationUrl = GradleBuildCacheServer.DEFAULT_CONFIGURATION_URL
+    )
-        val doc = configurationUrl.openStream().use(db::parse)
+    @ParameterizedTest
-        val cfg = Configuration.parse(doc)
+    fun test(configurationUrl: String, @TempDir testDir: Path) {
+        GbcsUrlStreamHandlerFactory.install()
+        val doc = Xml.parseXml(configurationUrl.toUrl())
+        val cfg = Parser.parse(doc)
         val configFile = testDir.resolve("gbcs.xml")
         Files.newOutputStream(configFile).use {
             Xml.write(Serializer.serialize(cfg), it)
         }
-        val parsed = Configuration.parse(Xml.parseXml(configFile.toUri().toURL()))
+        Xml.write(Serializer.serialize(cfg), System.out)
+
+        val parsed = Parser.parse(Xml.parseXml(configFile.toUri().toURL()))
         Assertions.assertEquals(cfg, parsed)
     }
 }

src/test/kotlin/net/woggioni/gbcs/test/NoAuthServerTest.kt

@@ -1,9 +1,11 @@
 package net.woggioni.gbcs.test
 
 import io.netty.handler.codec.http.HttpResponseStatus
-import net.woggioni.gbcs.Xml
+import net.woggioni.gbcs.base.Xml
-import net.woggioni.gbcs.configuration.Configuration
+import net.woggioni.gbcs.api.Configuration
+import net.woggioni.gbcs.cache.FileSystemCacheConfiguration
 import net.woggioni.gbcs.configuration.Serializer
+import net.woggioni.gbcs.utils.NetworkUtils
 import org.junit.jupiter.api.Assertions
 import org.junit.jupiter.api.Order
 import org.junit.jupiter.api.Test
@@ -15,6 +17,7 @@ import java.net.http.HttpResponse
 import java.nio.file.Path
 import java.time.Duration
 import java.util.Base64
+import java.util.zip.Deflater
 import kotlin.random.Random
 
 
@@ -24,19 +27,26 @@ class NoAuthServerTest : AbstractServerTest() {
 
     private val random = Random(101325)
     private val keyValuePair = newEntry(random)
+    private val serverPath = "/some/nested/path"
 
     override fun setUp() {
         this.cacheDir = testDir.resolve("cache")
-        cfg = Configuration.of(
+        cfg = Configuration(
-            cache = Configuration.FileSystemCache(this.cacheDir, maxAge = Duration.ofSeconds(3600 * 24)),
+            "127.0.0.1",
-            host = "127.0.0.1",
+            NetworkUtils.getFreePort(),
-            port = ServerSocket(0).localPort + 1,
+            serverPath,
-            users = emptyMap(),
+            emptyMap(),
-            groups = emptyMap(),
+            emptyMap(),
-            authentication = null,
+            FileSystemCacheConfiguration(
-            useVirtualThread = true,
+                this.cacheDir,
-            tls = null,
+                maxAge = Duration.ofSeconds(3600 * 24),
-            serverPath = "/"
+                compressionEnabled = true,
+                digestAlgorithm = "MD5",
+                compressionLevel = Deflater.DEFAULT_COMPRESSION
+            ),
+            null,
+            null,
+            true,
         )
         Xml.write(Serializer.serialize(cfg), System.out)
     }
@@ -45,7 +55,7 @@ class NoAuthServerTest : AbstractServerTest() {
     }
 
     fun newRequestBuilder(key : String) = HttpRequest.newBuilder()
-        .uri(URI.create("http://${cfg.host}:${cfg.port}/$key"))
+        .uri(URI.create("http://${cfg.host}:${cfg.port}/$serverPath/$key"))
 
     fun newEntry(random : Random) : Pair<String, ByteArray> {
         val key = ByteArray(0x10).let {

src/test/kotlin/net/woggioni/gbcs/test/TlsServerTest.kt

@@ -1,12 +1,14 @@
 package net.woggioni.gbcs.test
 
 import io.netty.handler.codec.http.HttpResponseStatus
-import net.woggioni.gbcs.Role
+import net.woggioni.gbcs.api.Configuration
-import net.woggioni.gbcs.Xml
+import net.woggioni.gbcs.api.Role
-import net.woggioni.gbcs.configuration.Configuration
+import net.woggioni.gbcs.base.Xml
+import net.woggioni.gbcs.cache.FileSystemCacheConfiguration
 import net.woggioni.gbcs.configuration.Serializer
 import net.woggioni.gbcs.utils.CertificateUtils
 import net.woggioni.gbcs.utils.CertificateUtils.X509Credentials
+import net.woggioni.gbcs.utils.NetworkUtils
 import org.bouncycastle.asn1.x500.X500Name
 import org.junit.jupiter.api.Assertions
 import org.junit.jupiter.api.Order
@@ -23,6 +25,7 @@ import java.security.KeyStore
 import java.security.KeyStore.PasswordProtection
 import java.time.Duration
 import java.util.Base64
+import java.util.zip.Deflater
 import javax.net.ssl.KeyManagerFactory
 import javax.net.ssl.SSLContext
 import javax.net.ssl.TrustManagerFactory
@@ -51,6 +54,7 @@ class TlsServerTest : AbstractServerTest() {
     private val writersGroup = Configuration.Group("writers", setOf(Role.Writer))
     private val random = Random(101325)
     private val keyValuePair = newEntry(random)
+    private val serverPath : String? = null
 
     private val users = listOf(
         Configuration.User("user1", null, setOf(readersGroup)),
@@ -104,7 +108,7 @@ class TlsServerTest : AbstractServerTest() {
         }
     }
 
-    fun getClientKeyStore(ca : X509Credentials, subject: X500Name) = KeyStore.getInstance("PKCS12").apply {
+    fun getClientKeyStore(ca: X509Credentials, subject: X500Name) = KeyStore.getInstance("PKCS12").apply {
         val clientCert = CertificateUtils.createClientCertificate(ca, subject, 30)
 
         load(null, null)
@@ -116,7 +120,7 @@ class TlsServerTest : AbstractServerTest() {
         )
     }
 
-    fun getHttpClient(clientKeyStore : KeyStore?): HttpClient {
+    fun getHttpClient(clientKeyStore: KeyStore?): HttpClient {
         val kmf = clientKeyStore?.let {
             KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm()).apply {
                 init(it, PASSWORD.toCharArray())
@@ -141,23 +145,28 @@ class TlsServerTest : AbstractServerTest() {
         this.trustStoreFile = testDir.resolve("truststore.p12")
         this.cacheDir = testDir.resolve("cache")
         createKeyStoreAndTrustStore()
-        cfg = Configuration.of(
+        cfg = Configuration(
-            cache = Configuration.FileSystemCache(this.cacheDir, maxAge = Duration.ofSeconds(3600 * 24)),
+            "127.0.0.1",
-            host = "127.0.0.1",
+            NetworkUtils.getFreePort(),
-            port = ServerSocket(0).localPort + 1,
+            serverPath,
-            users = users.asSequence().map { it.name to it }.toMap(),
+            users.asSequence().map { it.name to it }.toMap(),
-            groups = sequenceOf(writersGroup, readersGroup).map { it.name to it }.toMap(),
+            sequenceOf(writersGroup, readersGroup).map { it.name to it }.toMap(),
-            authentication = Configuration.ClientCertificateAuthentication(
+            FileSystemCacheConfiguration(this.cacheDir,
-                userExtractor = Configuration.TlsCertificateExtractor("CN", "(.*)"),
+                maxAge = Duration.ofSeconds(3600 * 24),
-                groupExtractor = null
+                compressionEnabled = true,
+                compressionLevel = Deflater.DEFAULT_COMPRESSION,
+                digestAlgorithm = "MD5"
             ),
-            useVirtualThread = true,
+            Configuration.ClientCertificateAuthentication(
-            tls = Configuration.Tls(
+                Configuration.TlsCertificateExtractor("CN", "(.*)"),
+                null
+            ),
+            Configuration.Tls(
                 Configuration.KeyStore(this.serverKeyStoreFile, null, SERVER_CERTIFICATE_ENTRY, PASSWORD),
                 Configuration.TrustStore(this.trustStoreFile, null, false),
                 true
             ),
-            serverPath = "/"
+            false,
         )
         Xml.write(Serializer.serialize(cfg), System.out)
     }
@@ -166,7 +175,7 @@ class TlsServerTest : AbstractServerTest() {
     }
 
     fun newRequestBuilder(key: String) = HttpRequest.newBuilder()
-        .uri(URI.create("https://${cfg.host}:${cfg.port}/$key"))
+        .uri(URI.create("https://${cfg.host}:${cfg.port}/${serverPath ?: ""}/$key"))
 
     fun buildAuthorizationHeader(user: Configuration.User, password: String): String {
         val b64 = Base64.getEncoder().encode("${user.name}:${password}".toByteArray(Charsets.UTF_8)).let {
@@ -219,7 +228,6 @@ class TlsServerTest : AbstractServerTest() {
     @Test
     @Order(3)
     fun getAsAWriterUser() {
-
         val (key, _) = keyValuePair
         val user = cfg.users.values.find {
             Role.Writer in it.roles
@@ -237,7 +245,6 @@ class TlsServerTest : AbstractServerTest() {
     @Test
     @Order(4)
     fun putAsAWriterUser() {
-
         val (key, value) = keyValuePair
         val user = cfg.users.values.find {
             Role.Writer in it.roles

src/test/resources/net/woggioni/gbcs/test/gbcs-default.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<gbcs:server useVirtualThreads="false" xmlns:xs="http://www.w3.org/2001/XMLSchema-instance"
+             xmlns:gbcs="urn:net.woggioni.gbcs"
+             xs:schemaLocation="urn:net.woggioni.gbcs jpms://net.woggioni.gbcs/net/woggioni/gbcs/schema/gbcs.xsd">
+    <bind host="127.0.0.1" port="11443"/>
+    <cache xs:type="gbcs:fileSystemCacheType" path="/tmp/gbcs" max-age="P7D"/>
+    <authentication>
+        <none/>
+    </authentication>
+</gbcs:server>

src/test/resources/net/woggioni/gbcs/test/gbcs-memcached.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<gbcs:server useVirtualThreads="false" xmlns:xs="http://www.w3.org/2001/XMLSchema-instance"
+             xmlns:gbcs="urn:net.woggioni.gbcs"
+             xmlns:gbcs-memcached="urn:net.woggioni.gbcs-memcached"
+             xs:schemaLocation="urn:net.woggioni.gbcs-memcached jpms://net.woggioni.gbcs.memcached/net/woggioni/gbcs/memcached/schema/gbcs-memcached.xsd urn:net.woggioni.gbcs jpms://net.woggioni.gbcs/net/woggioni/gbcs/schema/gbcs.xsd">
+    <bind host="127.0.0.1" port="11443" />
+    <cache xs:type="gbcs-memcached:memcachedCacheType" max-age="P7D" max-size="101325" compression-mode="gzip" digest="SHA-256">
+        <server host="127.0.0.1" port="11211"/>
+    </cache>
+    <authentication>
+        <none/>
+    </authentication>
+</gbcs:server>