mirrors/cryptomator
1
0
Fork 0
mirror of https://github.com/cryptomator/cryptomator.git synced 2026-09-19 14:34:20 +00:00
Code Issues Packages Projects Releases Wiki Activity

refactored "add vault" functionality, which fixes #14

Browse Source 
removed some dependencies
refactored Main/MainApplication, which fixes #16
This commit is contained in:
Sebastian Stenzel
2015-02-13 19:46:07 +01:00
parent 751dbe6b7e
commit 5e0ebab587
22 changed files with 325 additions and 352 deletions
Download Patch File Download Diff File Expand all files Collapse all files
main/core/src/main/java/org/cryptomator/files/EncryptingFileVisitor.java
-83
View File
@@ -1,83 +0,0 @@
package org.cryptomator.files;
import java.io.IOException;
import java.io.InputStream;
import java.nio.channels.SeekableByteChannel;
import java.nio.file.FileVisitResult;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.SimpleFileVisitor;
import java.nio.file.StandardCopyOption;
import java.nio.file.StandardOpenOption;
import java.nio.file.attribute.BasicFileAttributes;
import org.cryptomator.crypto.Cryptor;
import org.cryptomator.crypto.CryptorIOSupport;
public class EncryptingFileVisitor extends SimpleFileVisitor<Path> implements CryptorIOSupport {
private final Path rootDir;
private final Cryptor cryptor;
private final EncryptionDecider encryptionDecider;
private Path currentDir;
public EncryptingFileVisitor(Path rootDir, Cryptor cryptor, EncryptionDecider encryptionDecider) {
this.rootDir = rootDir;
this.cryptor = cryptor;
this.encryptionDecider = encryptionDecider;
}
@Override
public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
if (rootDir.equals(dir) || encryptionDecider.shouldEncrypt(dir)) {
this.currentDir = dir;
return FileVisitResult.CONTINUE;
} else {
return FileVisitResult.SKIP_SUBTREE;
}
}
@Override
public FileVisitResult visitFile(Path plaintextFile, BasicFileAttributes attrs) throws IOException {
if (encryptionDecider.shouldEncrypt(plaintextFile)) {
final String plaintextName = plaintextFile.getFileName().toString();
final String encryptedName = cryptor.encryptPath(plaintextName, '/', '/', this);
final Path encryptedPath = plaintextFile.resolveSibling(encryptedName);
final InputStream plaintextIn = Files.newInputStream(plaintextFile, StandardOpenOption.READ);
final SeekableByteChannel ciphertextOut = Files.newByteChannel(encryptedPath, StandardOpenOption.WRITE, StandardOpenOption.CREATE_NEW);
cryptor.encryptFile(plaintextIn, ciphertextOut);
Files.delete(plaintextFile);
}
return FileVisitResult.CONTINUE;
}
@Override
public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
if (encryptionDecider.shouldEncrypt(dir)) {
final String plaintext = dir.getFileName().toString();
final String encrypted = cryptor.encryptPath(plaintext, '/', '/', this);
final Path newPath = dir.resolveSibling(encrypted);
Files.move(dir, newPath, StandardCopyOption.ATOMIC_MOVE);
}
return FileVisitResult.CONTINUE;
}
@Override
public void writePathSpecificMetadata(String metadataFile, byte[] encryptedMetadata) throws IOException {
final Path path = currentDir.resolve(metadataFile);
Files.write(path, encryptedMetadata, StandardOpenOption.WRITE, StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING, StandardOpenOption.DSYNC);
}
@Override
public byte[] readPathSpecificMetadata(String metadataFile) throws IOException {
final Path path = currentDir.resolve(metadataFile);
return Files.readAllBytes(path);
}
/* callback */
public interface EncryptionDecider {
boolean shouldEncrypt(Path path);
}
}