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- Encrypt existing directory content on vault initialization

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This commit is contained in:
Sebastian Stenzel
2014-12-09 18:25:59 +01:00
parent 1de2d9d2da
commit 2fdf9be017
5 changed files with 133 additions and 22 deletions
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25
main/core/src/main/java/org/cryptomator/webdav/jackrabbit/WebDavLocatorFactory.java
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@@ -9,8 +9,6 @@
package org.cryptomator.webdav.jackrabbit;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.channels.SeekableByteChannel;
import java.nio.file.FileSystems;
import java.nio.file.Files;
import java.nio.file.Path;
@@ -104,15 +102,7 @@ public class WebDavLocatorFactory extends AbstractLocatorFactory implements Sens
@Override
public void writePathSpecificMetadata(String encryptedPath, byte[] encryptedMetadata) throws IOException {
final Path metaDataFile = fsRoot.resolve(encryptedPath);
final SeekableByteChannel channel = Files.newByteChannel(metaDataFile, StandardOpenOption.CREATE, StandardOpenOption.WRITE, StandardOpenOption.TRUNCATE_EXISTING, StandardOpenOption.DSYNC);
try {
final ByteBuffer buffer = ByteBuffer.wrap(encryptedMetadata);
while (channel.write(buffer) > 0) {
// continue writing.
}
} finally {
channel.close();
}
Files.write(metaDataFile, encryptedMetadata, StandardOpenOption.WRITE, StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING, StandardOpenOption.DSYNC);
}
@Override
@@ -120,17 +110,8 @@ public class WebDavLocatorFactory extends AbstractLocatorFactory implements Sens
final Path metaDataFile = fsRoot.resolve(encryptedPath);
if (!Files.isReadable(metaDataFile)) {
return null;
}
final long metaDataFileSize = Files.size(metaDataFile);
final SeekableByteChannel channel = Files.newByteChannel(metaDataFile, StandardOpenOption.READ);
try {
final ByteBuffer buffer = ByteBuffer.allocate((int) metaDataFileSize);
while (channel.read(buffer) > 0) {
// continue reading.
}
return buffer.array();
} finally {
channel.close();
} else {
return Files.readAllBytes(metaDataFile);
}
}