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Use a constant for the name of the OOXML encrypted package node 

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1676838 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2015-04-29 19:47:35 +00:00
parent d00da9fe03
commit 25cf50433d
11 changed files with 17 additions and 11 deletions
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3
src/integrationtest/org/apache/poi/stress/POIXMLDocumentHandler.java
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@ -27,6 +27,7 @@ import org.apache.poi.openxml4j.exceptions.OpenXML4JException;
import org.apache.poi.openxml4j.opc.OPCPackage;
import org.apache.poi.openxml4j.opc.PackageAccess;
import org.apache.poi.openxml4j.opc.PackagePart;
import org.apache.poi.poifs.crypt.Decryptor;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
import org.junit.Ignore;
import org.junit.Test;
@ -43,7 +44,7 @@ public final class POIXMLDocumentHandler {
protected static boolean isEncrypted(InputStream stream) throws IOException {
if (POIFSFileSystem.hasPOIFSHeader(stream)) {
POIFSFileSystem poifs = new POIFSFileSystem(stream);
if (poifs.getRoot().hasEntry("EncryptedPackage")) {
if (poifs.getRoot().hasEntry(Decryptor.DEFAULT_POIFS_ENTRY)) {
return true;
}
throw new IOException("wrong file format or file extension for OO XML file");

3
src/java/org/apache/poi/hssf/usermodel/HSSFWorkbook.java
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@ -65,6 +65,7 @@ import org.apache.poi.hssf.record.UnknownRecord;
import org.apache.poi.hssf.record.aggregates.RecordAggregate.RecordVisitor;
import org.apache.poi.hssf.record.common.UnicodeString;
import org.apache.poi.hssf.util.CellReference;
import org.apache.poi.poifs.crypt.Decryptor;
import org.apache.poi.poifs.filesystem.DirectoryEntry;
import org.apache.poi.poifs.filesystem.DirectoryNode;
import org.apache.poi.poifs.filesystem.EntryUtils;
@ -248,7 +249,7 @@ public final class HSSFWorkbook extends POIDocument implements org.apache.poi.ss
// check for an encrypted .xlsx file - they get OLE2 wrapped
try {
directory.getEntry("EncryptedPackage");
directory.getEntry(Decryptor.DEFAULT_POIFS_ENTRY);
throw new EncryptedDocumentException("The supplied spreadsheet seems to be an Encrypted .xlsx file. " +
"It must be decrypted before use by XSSF, it cannot be used by HSSF");
} catch (FileNotFoundException e) {

4
src/java/org/apache/poi/poifs/crypt/ChunkedCipherOutputStream.java
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@ -16,6 +16,8 @@
==================================================================== */
package org.apache.poi.poifs.crypt;
import static org.apache.poi.poifs.crypt.Decryptor.DEFAULT_POIFS_ENTRY;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
@ -133,7 +135,7 @@ public abstract class ChunkedCipherOutputStream extends FilterOutputStream {
int oleStreamSize = (int)(fileOut.length()+LittleEndianConsts.LONG_SIZE);
calculateChecksum(fileOut, oleStreamSize);
dir.createDocument("EncryptedPackage", oleStreamSize, new EncryptedPackageWriter());
dir.createDocument(DEFAULT_POIFS_ENTRY, oleStreamSize, new EncryptedPackageWriter());
createEncryptionInfoEntry(dir, fileOut);
} catch (GeneralSecurityException e) {
throw new IOException(e);

2
src/java/org/apache/poi/poifs/crypt/DataSpaceMapUtils.java
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@ -36,7 +36,7 @@ public class DataSpaceMapUtils {
public static void addDefaultDataSpace(DirectoryEntry dir) throws IOException {
DataSpaceMapEntry dsme = new DataSpaceMapEntry(
new int[]{ 0 }
, new String[]{ "EncryptedPackage" }
, new String[]{ Decryptor.DEFAULT_POIFS_ENTRY }
, "StrongEncryptionDataSpace"
);
DataSpaceMap dsm = new DataSpaceMap(new DataSpaceMapEntry[]{dsme});

1
src/java/org/apache/poi/poifs/crypt/Decryptor.java
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@ -29,6 +29,7 @@ import org.apache.poi.poifs.filesystem.POIFSFileSystem;
public abstract class Decryptor {
public static final String DEFAULT_PASSWORD="VelvetSweatshop";
public static final String DEFAULT_POIFS_ENTRY="EncryptedPackage";
protected final EncryptionInfoBuilder builder;
private SecretKey secretKey;

1
src/java/org/apache/poi/poifs/crypt/Encryptor.java
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@ -27,6 +27,7 @@ import org.apache.poi.poifs.filesystem.NPOIFSFileSystem;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
public abstract class Encryptor {
protected static final String DEFAULT_POIFS_ENTRY = Decryptor.DEFAULT_POIFS_ENTRY;
private SecretKey secretKey;
/**

4
src/java/org/apache/poi/poifs/crypt/binaryrc4/BinaryRC4Decryptor.java
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@ -118,7 +118,7 @@ public class BinaryRC4Decryptor extends Decryptor {
public InputStream getDataStream(DirectoryNode dir) throws IOException,
GeneralSecurityException {
DocumentInputStream dis = dir.createDocumentInputStream("EncryptedPackage");
DocumentInputStream dis = dir.createDocumentInputStream(DEFAULT_POIFS_ENTRY);
_length = dis.readLong();
BinaryRC4CipherInputStream cipherStream = new BinaryRC4CipherInputStream(dis, _length);
return cipherStream;
@ -131,4 +131,4 @@ public class BinaryRC4Decryptor extends Decryptor {
return _length;
}
}
}

2
src/java/org/apache/poi/poifs/crypt/standard/StandardDecryptor.java
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@ -123,7 +123,7 @@ public class StandardDecryptor extends Decryptor {
}
public InputStream getDataStream(DirectoryNode dir) throws IOException {
DocumentInputStream dis = dir.createDocumentInputStream("EncryptedPackage");
DocumentInputStream dis = dir.createDocumentInputStream(DEFAULT_POIFS_ENTRY);
_length = dis.readLong();

2
src/java/org/apache/poi/poifs/crypt/standard/StandardEncryptor.java
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@ -166,7 +166,7 @@ public class StandardEncryptor extends Encryptor {
void writeToPOIFS() throws IOException {
int oleStreamSize = (int)(fileOut.length()+LittleEndianConsts.LONG_SIZE);
dir.createDocument("EncryptedPackage", oleStreamSize, this);
dir.createDocument(DEFAULT_POIFS_ENTRY, oleStreamSize, this);
// TODO: any properties???
}

2
src/ooxml/java/org/apache/poi/poifs/crypt/agile/AgileDecryptor.java
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@ -279,7 +279,7 @@ public class AgileDecryptor extends Decryptor {
}
public InputStream getDataStream(DirectoryNode dir) throws IOException, GeneralSecurityException {
DocumentInputStream dis = dir.createDocumentInputStream("EncryptedPackage");
DocumentInputStream dis = dir.createDocumentInputStream(DEFAULT_POIFS_ENTRY);
_length = dis.readLong();
ChunkedCipherInputStream cipherStream = new AgileCipherInputStream(dis, _length);

4
src/ooxml/testcases/org/apache/poi/poifs/crypt/TestEncryptor.java
View File

@ -111,7 +111,7 @@ public class TestEncryptor {
long decPackLenExpected = decExpected.getLength();
assertEquals(decPackLenExpected, payloadExpected.length);
is = nfs.getRoot().createDocumentInputStream("EncryptedPackage");
is = nfs.getRoot().createDocumentInputStream(Decryptor.DEFAULT_POIFS_ENTRY);
is = new BoundedInputStream(is, is.available()-16); // ignore padding block
byte encPackExpected[] = IOUtils.toByteArray(is);
is.close();
@ -163,7 +163,7 @@ public class TestEncryptor {
long decPackLenActual = decActual.getLength();
is = nfs.getRoot().createDocumentInputStream("EncryptedPackage");
is = nfs.getRoot().createDocumentInputStream(Decryptor.DEFAULT_POIFS_ENTRY);
is = new BoundedInputStream(is, is.available()-16); // ignore padding block
byte encPackActual[] = IOUtils.toByteArray(is);
is.close();