https://bz.apache.org/bugzilla/show_bug.cgi?id=62967
Bug ID: 62967
Summary: Stream Closed For EncryptionInfo
Product: POI
Version: unspecified
Hardware: PC
Status: NEW
Severity: normal
Priority: P2
Component: POIFS
Assignee: dev@poi.apache.org
Reporter: yanleich...@vip.163.com
Target Milestone: ---
When I use the following code(from the official document)
```java
POIFSFileSystem fs = new POIFSFileSystem();
EncryptionInfo info = new EncryptionInfo(EncryptionMode.agile);
// EncryptionInfo info = new EncryptionInfo(EncryptionMode.agile,
CipherAlgorithm.aes192, HashAlgorithm.sha384, -1, -1, null);
Encryptor enc = info.getEncryptor();
enc.confirmPassword("foobaa");
// Read in an existing OOXML file and write to encrypted output stream
// don't forget to close the output stream otherwise the padding bytes aren't
added
try (OPCPackage opc = OPCPackage.open(new File("..."),
PackageAccess.READ_WRITE);
OutputStream os = enc.getDataStream(fs)) {
opc.save(os);
}
// Write out the encrypted version
FileOutputStream fos = new FileOutputStream("...");
fs.writeFilesystem(fos);
fos.close();
```
The following error occurred
----- 其他异常 : class java.io.IOException
java.io.IOException: Stream Closed
at java.io.FileOutputStream.writeBytes(FileOutputStream.java)
~[na:1.8.0_191-1-ojdkbuild]
at java.io.FileOutputStream.write(FileOutputStream.java:326)
~[na:1.8.0_191-1-ojdkbuild]
at
org.apache.poi.poifs.crypt.agile.AgileEncryptor$ChunkedCipherOutputStream.writeChunk(AgileEncryptor.java:330)
~[poi-ooxml-3.10-FINAL.jar:3.10-FINAL]
at
org.apache.poi.poifs.crypt.agile.AgileEncryptor$ChunkedCipherOutputStream.close(AgileEncryptor.java:337)
~[poi-ooxml-3.10-FINAL.jar:3.10-FINAL]
Everything is normal after modification
```java
OPCPackage opc = OPCPackage.open(new File(filePath), PackageAccess.READ_WRITE);
OutputStream os = enc.getDataStream(fs);
opc.save(os);
opc.close();
```
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