[8.x] Filter module-info.class from entitlements-bridge jar in distribution (#124580) (#124598)

* Filter module-info.class from entitlements-bridge jar in distribution (#124580)

(cherry picked from commit 74ccd4dba21e38def5b39297a5fb11367c6a75c5)

# Conflicts:
#	distribution/build.gradle

* Remove import for renamed class

build-tools/src/main/java/org/elasticsearch/gradle/transform/FilteringJarTransform.java

@@ -0,0 +1,96 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the "Elastic License
+ * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
+ * Public License v 1"; you may not use this file except in compliance with, at
+ * your election, the "Elastic License 2.0", the "GNU Affero General Public
+ * License v3.0 only", or the "Server Side Public License, v 1".
+ */
+
+package org.elasticsearch.gradle.transform;
+
+import org.gradle.api.Action;
+import org.gradle.api.artifacts.dsl.DependencyHandler;
+import org.gradle.api.artifacts.transform.InputArtifact;
+import org.gradle.api.artifacts.transform.TransformAction;
+import org.gradle.api.artifacts.transform.TransformOutputs;
+import org.gradle.api.artifacts.transform.TransformParameters;
+import org.gradle.api.artifacts.type.ArtifactTypeDefinition;
+import org.gradle.api.file.FileSystemLocation;
+import org.gradle.api.provider.Provider;
+import org.gradle.api.tasks.Input;
+
+import java.io.BufferedOutputStream;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.Serializable;
+import java.io.UncheckedIOException;
+import java.nio.file.FileSystems;
+import java.nio.file.Path;
+import java.nio.file.PathMatcher;
+import java.util.ArrayList;
+import java.util.Enumeration;
+import java.util.List;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipFile;
+import java.util.zip.ZipOutputStream;
+
+public abstract class FilteringJarTransform implements TransformAction<FilteringJarTransform.Parameters> {
+    public static final String FILTERED_JAR_TYPE = "filtered-jar";
+
+    @InputArtifact
+    public abstract Provider<FileSystemLocation> getInputArtifact();
+
+    @Override
+    public void transform(TransformOutputs outputs) {
+        File original = getInputArtifact().get().getAsFile();
+        File transformed = outputs.file(original.getName());
+        List<PathMatcher> excludes = createMatchers(getParameters().getExcludes());
+
+        try (
+            ZipFile input = new ZipFile(original);
+            ZipOutputStream output = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(transformed)))
+        ) {
+            Enumeration<? extends ZipEntry> entries = input.entries();
+            while (entries.hasMoreElements()) {
+                ZipEntry entry = entries.nextElement();
+                if (excludes.stream().noneMatch(e -> e.matches(Path.of(entry.getName())))) {
+                    output.putNextEntry(entry);
+                    input.getInputStream(entry).transferTo(output);
+                    output.closeEntry();
+                }
+            }
+
+            output.flush();
+            output.finish();
+        } catch (IOException e) {
+            throw new UncheckedIOException("Failed to patch archive", e);
+        }
+    }
+
+    private List<PathMatcher> createMatchers(List<String> patterns) {
+        return patterns.stream().map(p -> FileSystems.getDefault().getPathMatcher("glob:" + p)).toList();
+    }
+
+    public static void registerTransform(DependencyHandler dependencyHandler, Action<Parameters> config) {
+        dependencyHandler.registerTransform(FilteringJarTransform.class, spec -> {
+            spec.getFrom().attribute(ArtifactTypeDefinition.ARTIFACT_TYPE_ATTRIBUTE, ArtifactTypeDefinition.JAR_TYPE);
+            spec.getTo().attribute(ArtifactTypeDefinition.ARTIFACT_TYPE_ATTRIBUTE, FILTERED_JAR_TYPE);
+            config.execute(spec.getParameters());
+        });
+    }
+
+    public abstract static class Parameters implements TransformParameters, Serializable {
+        private List<String> excludes = new ArrayList<>();
+
+        @Input
+        public List<String> getExcludes() {
+            return excludes;
+        }
+
+        public void exclude(String exclude) {
+            excludes.add(exclude);
+        }
+    }
+}

distribution/build.gradle

@@ -15,6 +15,7 @@ import org.elasticsearch.gradle.internal.ConcatFilesTask
 import org.elasticsearch.gradle.internal.DependenciesInfoPlugin
 import org.elasticsearch.gradle.internal.NoticeTask
 import org.elasticsearch.gradle.internal.test.HistoricalFeaturesMetadataPlugin
+import org.elasticsearch.gradle.transform.FilteringJarTransform
 
 import java.nio.file.Files
 import java.nio.file.Path
@@ -261,7 +262,7 @@ configure(subprojects.findAll { ['archives', 'packages'].contains(it.name) }) {
    *             Properties to expand when copying packaging files             *
    *****************************************************************************/
   configurations {
-    ['libs', 'libsVersionChecker', 'libsCliLauncher', 'libsServerCli', 'libsWindowsServiceCli', 'libsPluginCli', 'libsKeystoreCli', 'libsSecurityCli', 'libsGeoIpCli', 'libsAnsiConsole', 'libsNative', 'libsEntitlementAgent', 'libsEntitlementBridge'].each {
+    ['libs', 'libsVersionChecker', 'libsCliLauncher', 'libsServerCli', 'libsWindowsServiceCli', 'libsPluginCli', 'libsKeystoreCli', 'libsSecurityCli', 'libsGeoIpCli', 'libsAnsiConsole', 'libsNative', 'libsEntitlementAgent'].each {
       create(it) {
         canBeConsumed = false
         canBeResolved = true
@@ -272,12 +273,28 @@ configure(subprojects.findAll { ['archives', 'packages'].contains(it.name) }) {
         }
       }
     }
+    libsEntitlementBridge {
+      canBeConsumed = false
+      canBeResolved = true
+      attributes {
+        attribute(Category.CATEGORY_ATTRIBUTE, objects.named(Category, Category.LIBRARY))
+        attribute(Usage.USAGE_ATTRIBUTE, objects.named(Usage, Usage.JAVA_RUNTIME))
+        attribute(Bundling.BUNDLING_ATTRIBUTE, objects.named(Bundling, Bundling.EXTERNAL))
+        attribute(ArtifactTypeDefinition.ARTIFACT_TYPE_ATTRIBUTE, FilteringJarTransform.FILTERED_JAR_TYPE)
+      }
+    }
     all {
       resolutionStrategy.dependencySubstitution {
         substitute module("org.apache.logging.log4j:log4j-core") using project(":libs:log4j") because "patched to remove JndiLookup class"}
     }
   }
 
+  // Register artifact transform for filtering entitlements-bridge jar
+  FilteringJarTransform.registerTransform(dependencies) { spec ->
+    spec.exclude('module-info.class')
+    spec.exclude('META-INF/versions/**')
+  }
+
   dependencies {
     libs project(':server')