Write signature files to uber wars for Oracle Java 17 verification

This commit extends 33c5e12 to uber War.

Fixes gh-28837

Signed-off-by: Dmirtii Karagodin <4319788@gmail.com>

Author: DKARAGODIN

build-plugin/spring-boot-maven-plugin/src/intTest/java/org/springframework/boot/maven/WarIntegrationTests.java

@@ -240,4 +240,12 @@ void whenEntryIsExcludedItShouldNotBePresentInTheRepackagedWar(MavenBuild mavenB
 		});
 	}
 
+	@TestTemplate
+	void whenSigned(MavenBuild mavenBuild) {
+		mavenBuild.project("war-signed").execute((project) -> {
+			File repackaged = new File(project, "target/war-signed-0.0.1.BUILD-SNAPSHOT.war");
+			assertThat(jar(repackaged)).hasEntryWithName("META-INF/BOOT.SF");
+		});
+	}
+
 }

build-plugin/spring-boot-maven-plugin/src/intTest/projects/war-signed/pom.xml

@@ -0,0 +1,62 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<groupId>org.springframework.boot.maven.it</groupId>
+	<artifactId>war-signed</artifactId>
+	<version>0.0.1.BUILD-SNAPSHOT</version>
+	<properties>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<maven.compiler.source>@java.version@</maven.compiler.source>
+		<maven.compiler.target>@java.version@</maven.compiler.target>
+	</properties>
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>@project.groupId@</groupId>
+				<artifactId>@project.artifactId@</artifactId>
+				<version>@project.version@</version>
+				<executions>
+					<execution>
+						<goals>
+							<goal>repackage</goal>
+						</goals>
+					</execution>
+				</executions>
+			</plugin>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-war-plugin</artifactId>
+				<version>@maven-war-plugin.version@</version>
+				<configuration>
+					<archive>
+						<manifest>
+							<mainClass>some.random.Main</mainClass>
+						</manifest>
+						<manifestEntries>
+							<Not-Used>Foo</Not-Used>
+						</manifestEntries>
+					</archive>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework</groupId>
+			<artifactId>spring-context</artifactId>
+			<version>@spring-framework.version@</version>
+		</dependency>
+		<dependency>
+			<groupId>jakarta.servlet</groupId>
+			<artifactId>jakarta.servlet-api</artifactId>
+			<version>@jakarta-servlet.version@</version>
+			<scope>provided</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.bouncycastle</groupId>
+			<artifactId>bcprov-jdk18on</artifactId>
+			<version>1.78.1</version>
+		</dependency>
+	</dependencies>
+</project>

build-plugin/spring-boot-maven-plugin/src/intTest/projects/war-signed/src/main/java/org/test/SampleApplication.java

@@ -0,0 +1,24 @@
+/*
+ * Copyright 2012-present the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.test;
+
+public class SampleApplication {
+
+	public static void main(String[] args) {
+	}
+
+}

loader/spring-boot-loader-tools/src/main/java/org/springframework/boot/loader/tools/Repackager.java

@@ -53,7 +53,8 @@ public Repackager(File source) {
 	@Override
 	protected void writeSignatureFileIfNecessary(Map<String, Library> writtenLibraries, AbstractJarWriter writer)
 			throws IOException {
-		if (getSource().getName().toLowerCase(Locale.ROOT).endsWith(".jar") && hasSignedLibrary(writtenLibraries)) {
+		String sourceName = getSource().getName().toLowerCase(Locale.ROOT);
+		if ((sourceName.endsWith(".jar") || sourceName.endsWith(".war")) && hasSignedLibrary(writtenLibraries)) {
 			writer.writeEntry("META-INF/BOOT.SF", (entryWriter) -> {
 			});
 		}