Bug 57080 - IndexOutOfBoundsException in poi decryptor

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1631600 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 25 insertions, 0 deletions

diff --git a/src/ooxml/testcases/org/apache/poi/poifs/crypt/TestDecryptor.java b/src/ooxml/testcases/org/apache/poi/poifs/crypt/TestDecryptor.java
index 48bc7a15a3..d0f2c67f51 100644
--- a/src/ooxml/testcases/org/apache/poi/poifs/crypt/TestDecryptor.java
+++ b/src/ooxml/testcases/org/apache/poi/poifs/crypt/TestDecryptor.java
@@ -20,6 +20,8 @@ import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;

 

 import java.io.ByteArrayInputStream;

+import java.io.ByteArrayOutputStream;

+import java.io.File;

 import java.io.IOException;

 import java.io.InputStream;

 import java.security.GeneralSecurityException;

@@ -27,7 +29,9 @@ import java.util.zip.ZipEntry;
 import java.util.zip.ZipInputStream;

 

 import org.apache.poi.POIDataSamples;

+import org.apache.poi.poifs.filesystem.NPOIFSFileSystem;

 import org.apache.poi.poifs.filesystem.POIFSFileSystem;

+import org.apache.poi.util.IOUtils;

 import org.junit.Test;

 

 /**

@@ -122,4 +126,25 @@ public class TestDecryptor {
         }

     }

 

+    @Test

+    public void bug57080() throws Exception {

+        // the test file contains a wrong ole entry size, produced by extenxls

+        // the fix limits the available size and tries to read all entries 

+        File f = POIDataSamples.getPOIFSInstance().getFile("extenxls_pwd123.xlsx");

+        NPOIFSFileSystem fs = new NPOIFSFileSystem(f, true);

+        EncryptionInfo info = new EncryptionInfo(fs);

+        Decryptor d = Decryptor.getInstance(info);

+        d.verifyPassword("pwd123");

+        ByteArrayOutputStream bos = new ByteArrayOutputStream();

+        ZipInputStream zis = new ZipInputStream(d.getDataStream(fs));

+        ZipEntry ze;

+        while ((ze = zis.getNextEntry()) != null) {

+            bos.reset();

+            IOUtils.copy(zis, bos);

+            assertEquals(ze.getSize(), bos.size());

+        }

+        

+        zis.close();

+        fs.close();

+    }

 }
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