From 0ed1f43d29921180f6de28148379dba3063c4109 Mon Sep 17 00:00:00 2001
From: Chris Lu <chris.lu@gmail.com>
Date: Sun, 2 Aug 2020 23:50:23 -0700
Subject: [PATCH] decompress after decrypt if necessary

skip any decompress error
---
 .../src/main/java/seaweedfs/client/Gzip.java       | 14 +++++++++-----
 .../main/java/seaweedfs/client/SeaweedRead.java    |  4 ++++
 2 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/other/java/client/src/main/java/seaweedfs/client/Gzip.java b/other/java/client/src/main/java/seaweedfs/client/Gzip.java
index 248285dd3..4909094f5 100644
--- a/other/java/client/src/main/java/seaweedfs/client/Gzip.java
+++ b/other/java/client/src/main/java/seaweedfs/client/Gzip.java
@@ -18,14 +18,18 @@ public class Gzip {
         return compressed;
     }
 
-    public static byte[] decompress(byte[] compressed) throws IOException {
-        ByteArrayInputStream bis = new ByteArrayInputStream(compressed);
-        GZIPInputStream gis = new GZIPInputStream(bis);
-        return readAll(gis);
+    public static byte[] decompress(byte[] compressed) {
+        try {
+            ByteArrayInputStream bis = new ByteArrayInputStream(compressed);
+            GZIPInputStream gis = new GZIPInputStream(bis);
+            return readAll(gis);
+        } catch (Exception e) {
+            return compressed;
+        }
     }
 
     private static byte[] readAll(InputStream input) throws IOException {
-        try( ByteArrayOutputStream output = new ByteArrayOutputStream()){
+        try (ByteArrayOutputStream output = new ByteArrayOutputStream()) {
             byte[] buffer = new byte[4096];
             int n;
             while (-1 != (n = input.read(buffer))) {
diff --git a/other/java/client/src/main/java/seaweedfs/client/SeaweedRead.java b/other/java/client/src/main/java/seaweedfs/client/SeaweedRead.java
index fa44ee4af..cd2f55678 100644
--- a/other/java/client/src/main/java/seaweedfs/client/SeaweedRead.java
+++ b/other/java/client/src/main/java/seaweedfs/client/SeaweedRead.java
@@ -119,6 +119,10 @@ public class SeaweedRead {
             }
         }
 
+        if (chunkView.isCompressed) {
+            data = Gzip.decompress(data);
+        }
+
         LOG.debug("doFetchFullChunkData fid:{} chunkData.length:{}", chunkView.fileId, data.length);
 
         return data;