asconfigc: handle symbolic links when unpacking ANEs

Author: ashikase

asconfigc/pom.xml

@@ -110,6 +110,11 @@ limitations under the License.
       <artifactId>json-schema-validator</artifactId>
       <version>1.5.6</version>
     </dependency>
+    <dependency>
+      <groupId>org.apache.commons</groupId>
+      <artifactId>commons-compress</artifactId>
+      <version>1.27.1</version>
+    </dependency>
     <dependency>
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-nop</artifactId>

asconfigc/src/main/java/com/as3mxml/asconfigc/ASConfigC.java

@@ -47,8 +47,9 @@
 import java.util.Set;
 import java.util.regex.Pattern;
 import java.util.stream.Collectors;
-import java.util.zip.ZipEntry;
-import java.util.zip.ZipFile;
+
+import org.apache.commons.compress.archivers.zip.ZipArchiveEntry;
+import org.apache.commons.compress.archivers.zip.ZipFile;
 
 import org.apache.commons.cli.CommandLine;
 import org.apache.commons.cli.CommandLineParser;
@@ -1260,10 +1261,10 @@ private void unpackANE(File aneFile) throws ASConfigCException {
 		}
 
 		try {
-			ZipFile zipFile = new ZipFile(aneFile);
-			Enumeration<?> zipEntries = zipFile.entries();
+			ZipFile zipFile = ZipFile.builder().setFile(aneFile).get();
+			Enumeration<?> zipEntries = zipFile.getEntries();
 			while (zipEntries.hasMoreElements()) {
-				ZipEntry zipEntry = (ZipEntry) zipEntries.nextElement();
+				ZipArchiveEntry zipEntry = (ZipArchiveEntry) zipEntries.nextElement();
 				if (zipEntry.isDirectory()) {
 					continue;
 				}
@@ -1272,6 +1273,18 @@ private void unpackANE(File aneFile) throws ASConfigCException {
 				File destParent = new File(destFile.getParent());
 				destParent.mkdirs();
 
+				if (zipEntry.isUnixSymlink()) {
+					Path link = destFile.toPath();
+					Path target = Paths.get(zipFile.getUnixSymlink(zipEntry));
+					try {
+						Files.createSymbolicLink(link, target);
+						continue;
+					} catch (Exception e) {
+						System.out.println("Failed to create symbolic link: " + currentAneDirectory.toPath().relativize(link)
+								+ " -> " + target + ", will write as regular file instead." );
+					}
+				}
+
 				BufferedInputStream inStream = new BufferedInputStream(zipFile.getInputStream(zipEntry));
 				FileOutputStream fileOutStream = new FileOutputStream(destFile);
 				byte buffer[] = new byte[2048];

distribution/src/assembly/bin.xml

@@ -60,6 +60,8 @@
       <includes>
         <include>asconfigc*.jar</include>
         <include>commons-cli*.jar</include>
+        <include>commons-compress-*.jar</include>
+        <include>commons-io-*.jar</include>
         <include>commons-lang*.jar</include>
       </includes>
     </fileSet>