From b0b1d7dc05e27f94cbca2e703eb0c6bfbc562e78 Mon Sep 17 00:00:00 2001
From: ralph isenmann
Date: Thu, 27 Jan 2022 11:35:09 +0100
Subject: [CLIENT,SERVER] move handling of tar into TarArchiveReader and
 TarArchiveWriter in master-sync-shared

---
 dozentenmodulserver/pom.xml                        |  7 -----
 .../java/org/openslx/bwlp/sat/web/WebServer.java   | 33 ++++++----------------
 2 files changed, 8 insertions(+), 32 deletions(-)

(limited to 'dozentenmodulserver')

diff --git a/dozentenmodulserver/pom.xml b/dozentenmodulserver/pom.xml
index dae50672..62f46413 100644
--- a/dozentenmodulserver/pom.xml
+++ b/dozentenmodulserver/pom.xml
@@ -249,12 +249,6 @@
 			<version>[2.7,3.0)</version>
 			<scope>compile</scope>
 		</dependency>
-		<dependency>
-			<groupId>org.kamranzafar</groupId>
-			<artifactId>jtar</artifactId>
-			<version>[2.0,3.0)</version>
-			<scope>compile</scope>
-		</dependency>
 		<dependency>
 			<groupId>org.apache.logging.log4j</groupId>
 			<artifactId>log4j-api</artifactId>
@@ -269,4 +263,3 @@
 		</dependency>
 	</dependencies>
 </project>
-
diff --git a/dozentenmodulserver/src/main/java/org/openslx/bwlp/sat/web/WebServer.java b/dozentenmodulserver/src/main/java/org/openslx/bwlp/sat/web/WebServer.java
index 088cf5b0..f90a246a 100644
--- a/dozentenmodulserver/src/main/java/org/openslx/bwlp/sat/web/WebServer.java
+++ b/dozentenmodulserver/src/main/java/org/openslx/bwlp/sat/web/WebServer.java
@@ -4,7 +4,6 @@ import java.io.ByteArrayInputStream;
 import java.io.IOException;
 import java.io.PipedInputStream;
 import java.io.PipedOutputStream;
-import java.nio.charset.StandardCharsets;
 import java.sql.SQLException;
 import java.util.ArrayList;
 import java.util.List;
@@ -13,14 +12,10 @@ import java.util.concurrent.LinkedBlockingQueue;
 import java.util.concurrent.RejectedExecutionException;
 import java.util.concurrent.ThreadPoolExecutor;
 import java.util.concurrent.TimeUnit;
-import java.util.zip.GZIPOutputStream;
 
 import org.apache.commons.io.output.ByteArrayOutputStream;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
-import org.kamranzafar.jtar.TarEntry;
-import org.kamranzafar.jtar.TarHeader;
-import org.kamranzafar.jtar.TarOutputStream;
 import org.openslx.bwlp.sat.database.mappers.DbImage;
 import org.openslx.bwlp.sat.database.mappers.DbLecture;
 import org.openslx.bwlp.sat.database.mappers.DbLecture.LaunchData;
@@ -34,6 +29,7 @@ import org.openslx.bwlp.thrift.iface.TNotFoundException;
 import org.openslx.util.GrowingThreadPoolExecutor;
 import org.openslx.util.Json;
 import org.openslx.util.Util;
+import org.openslx.util.TarArchiveUtil.TarArchiveWriter;
 import org.simpleframework.xml.Serializer;
 import org.simpleframework.xml.core.Persister;
 
@@ -130,19 +126,6 @@ public class WebServer extends NanoHTTPD {
 				Json.serialize(FileServer.instance().getStatus()));
 	}
 
-	private static void tarPutFile(TarOutputStream output, String fileName, String data) throws IOException {
-		if (data == null)
-			return;
-		tarPutFile(output, fileName, data.getBytes(StandardCharsets.UTF_8));
-	}
-
-	private static void tarPutFile(TarOutputStream output, String fileName, byte[] data) throws IOException {
-		if (data == null)
-			return;
-		output.putNextEntry(new TarEntry(TarHeader.createHeader(fileName, data.length, Util.unixTime(), false, 0644)));
-		output.write(data);
-	}
-
 	/**
 	 * Return meta data (eg. *.vmx) required to start the given lecture.
 	 * 
@@ -152,7 +135,7 @@ public class WebServer extends NanoHTTPD {
 	private Response serveMetaData(final String lectureId) {
 		PipedInputStream sink = new PipedInputStream(10000);
 		try {
-			final TarOutputStream output = new TarOutputStream(new GZIPOutputStream(new PipedOutputStream(sink)));
+			final TarArchiveWriter tarArchiveWriter = new TarArchiveWriter(new PipedOutputStream(sink));
 			final LaunchData ld;
 			try {
 				ld = DbLecture.getClientLaunchData(lectureId);
@@ -167,20 +150,20 @@ public class WebServer extends NanoHTTPD {
 				@Override
 				public void run() {
 					try {
-						tarPutFile(output, "vmx", ld.configuration);
-						tarPutFile(output, "runscript", ld.legacyRunScript);
-						tarPutFile(output, "netshares", serializeNetShares(ld.netShares));
+						tarArchiveWriter.writeFile("vmx", ld.configuration);
+						tarArchiveWriter.writeFile("runscript", ld.legacyRunScript);
+						tarArchiveWriter.writeFile("netshares", serializeNetShares(ld.netShares));
 						if (ld.runScript != null) {
 							int cnt = 0;
 							for (RunScript rs : ld.runScript) {
-								tarPutFile(output, String.format("adminrun/%04d-%d-%d.%s", cnt++, rs.visibility,
-										rs.passCreds ? 1 : 0, rs.extension), rs.content);
+								tarArchiveWriter.writeFile(String.format("adminrun/%04d-%d-%d.%s", cnt++, rs.visibility,
+									rs.passCreds ? 1 : 0, rs.extension), rs.content);
 							}
 						}
 					} catch (IOException e) {
 						LOGGER.warn("Error writing to tar stream", e);
 					} finally {
-						Util.safeClose(output);
+						Util.safeClose(tarArchiveWriter);
 					}
 				}
 			});
-- 
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