Merge branch 'release/2.5.2'

pom.xml

@@ -2,7 +2,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.cryptomator</groupId>
 	<artifactId>cryptofs</artifactId>
-	<version>2.5.1</version>
+	<version>2.5.2</version>
 	<name>Cryptomator Crypto Filesystem</name>
 	<description>This library provides the Java filesystem provider used by Cryptomator.</description>
 	<url>https://github.com/cryptomator/cryptofs</url>

src/main/java/org/cryptomator/cryptofs/health/dirid/MissingContentDir.java

@@ -49,7 +49,7 @@ public Map<String, String> details() {
 	//visible for testing
 	void fix(Path pathToVault, Cryptor cryptor) throws IOException {
 		var dirIdHash = cryptor.fileNameCryptor().hashDirectoryId(dirId);
-		Path dirPath = pathToVault.resolve(Constants.DATA_DIR_NAME).resolve(dirIdHash.substring(0, 2)).resolve(dirIdHash.substring(2, 30));
+		Path dirPath = pathToVault.resolve(Constants.DATA_DIR_NAME).resolve(dirIdHash.substring(0, 2)).resolve(dirIdHash.substring(2, 32));
 		Files.createDirectories(dirPath);
 		DirectoryIdBackup.backupManually(cryptor, new CryptoPathMapper.CiphertextDirectory(dirId, dirPath));
 	}

src/main/java/org/cryptomator/cryptofs/health/dirid/OrphanContentDir.java

@@ -99,7 +99,7 @@ private void fix(Path pathToVault, VaultConfig config, Cryptor cryptor) throws I
 							try {
 								return decryptFileName(orphanedResource, isShortened, id, cryptor.fileNameCryptor());
 							} catch (IOException | AuthenticationFailedException e) {
-								LOG.warn("Unable to read and decrypt (long) file name of {}:", orphanedResource, e);
+								LOG.warn("Unable to read and decrypt file name of {}:", orphanedResource, e);
 								return null;
 							}})
 						.orElseGet(() ->
@@ -182,15 +182,7 @@ Optional<String> retrieveDirId(Path orphanedDir, Cryptor cryptor) {
 			return Optional.empty();
 		}
 
-		var allegedDirId = StandardCharsets.US_ASCII.decode(dirIdBuffer).toString();
-
-		var dirIdHash = orphanedDir.getParent().getFileName().toString() + orphanedDir.getFileName().toString();
-		if (dirIdHash.equals(cryptor.fileNameCryptor().hashDirectoryId(allegedDirId))) {
-			return Optional.of(allegedDirId);
-		} else {
-			LOG.info("Hash of read directory id {} does not match actual cipher dir hash {}.", allegedDirId, dirIdHash);
-			return Optional.empty();
-		}
+		return Optional.of(StandardCharsets.US_ASCII.decode(dirIdBuffer).toString());
 	}
 
 	//exists and visible for testability

src/test/java/org/cryptomator/cryptofs/health/dirid/MissingContentDirTest.java

@@ -52,14 +52,14 @@ public void testGetFix() {
 	@DisplayName("After fix the content dir including dirId file exists ")
 	@Test
 	public void testFix() throws IOException {
-		var dirIdHash = "ridiculous-30-char-pseudo-hash";
+		var dirIdHash = "ridiculous-32-char-pseudo-hashhh";
 		Mockito.doReturn(dirIdHash).when(fileNameCryptor).hashDirectoryId(dirId);
 		try (var dirIdBackupMock = Mockito.mockStatic(DirectoryIdBackup.class)) {
 			dirIdBackupMock.when(() -> DirectoryIdBackup.backupManually(Mockito.any(), Mockito.any())).thenAnswer(Answers.RETURNS_SMART_NULLS);
 
 			result.fix(pathToVault, cryptor);
 
-			var expectedPath = pathToVault.resolve("d/ri/diculous-30-char-pseudo-hash");
+			var expectedPath = pathToVault.resolve("d/ri/diculous-32-char-pseudo-hashhh");
 			ArgumentMatcher<CryptoPathMapper.CiphertextDirectory> cipherDirMatcher = obj -> obj.dirId.equals(dirId) && obj.path.endsWith(expectedPath);
 			dirIdBackupMock.verify(() -> DirectoryIdBackup.backupManually(Mockito.eq(cryptor), Mockito.argThat(cipherDirMatcher)), Mockito.times(1));
 			var attr = Assertions.assertDoesNotThrow(() -> Files.readAttributes(expectedPath, BasicFileAttributes.class, LinkOption.NOFOLLOW_LINKS));
@@ -70,7 +70,7 @@ public void testFix() throws IOException {
 	@DisplayName("If dirid.c9r creation fails, fix fails ")
 	@Test
 	public void testFixFailsOnFailingDirIdFile() throws IOException {
-		var dirIdHash = "ridiculous-30-char-pseudo-hash";
+		var dirIdHash = "ridiculous-32-char-pseudo-hashhh";
 		try (var dirIdBackupMock = Mockito.mockStatic(DirectoryIdBackup.class)) {
 			Mockito.doReturn(dirIdHash).when(fileNameCryptor).hashDirectoryId(dirId);
 			dirIdBackupMock.when(() -> DirectoryIdBackup.backupManually(Mockito.any(), Mockito.any())).thenThrow(new IOException("Access denied"));

src/test/java/org/cryptomator/cryptofs/health/dirid/OrphanDirTest.java

@@ -270,28 +270,6 @@ public void testRetrieveDirIdIOExceptionReadingFile() throws IOException {
 			Assertions.assertTrue(notExistingResult.isEmpty());
 		}
 
-
-		@Test
-		@DisplayName("retrieveDirId returns empty optional if content of dirId.c9r does not match cipher dir hash")
-		public void testRetrieveDirIdWrongContent() throws IOException {
-			var dirIdFile = cipherOrphan.resolve(Constants.DIR_BACKUP_FILE_NAME);
-			var dirId = "anOverlyComplexAndCompletelyRandomExampleOfHowAnDirectoryIdIsTooLong";
-			Files.writeString(dirIdFile, dirId, StandardCharsets.US_ASCII, StandardOpenOption.CREATE_NEW, StandardOpenOption.WRITE);
-			DecryptingReadableByteChannel dirIdReadChannel = Mockito.mock(DecryptingReadableByteChannel.class);
-
-			Mockito.doReturn(dirIdReadChannel).when(resultSpy).createDecryptingReadableByteChannel(Mockito.any(), Mockito.eq(cryptor));
-			Mockito.doAnswer(invocationOnMock -> {
-				try (ReadableByteChannel channel = Files.newByteChannel(dirIdFile, StandardOpenOption.READ)) {
-					return channel.read(invocationOnMock.getArgument(0));
-				}
-			}).when(dirIdReadChannel).read(Mockito.any());
-			Mockito.when(fileNameCryptor.hashDirectoryId(dirId.substring(0, 36))).thenReturn("123456");
-
-			var maybeDirId = resultSpy.retrieveDirId(cipherOrphan, cryptor);
-
-			Assertions.assertTrue(maybeDirId.isEmpty());
-		}
-
 	}