Convert to kt

Signed-off-by: alperozturk <alper_ozturk@proton.me>
This commit is contained in:
alperozturk 2024-04-26 15:03:55 +02:00 committed by Alper Öztürk
parent 1ccb686f08
commit d7b30bad46

View file

@ -5,210 +5,199 @@
* SPDX-FileCopyrightText: 2017 Nextcloud GmbH
* SPDX-License-Identifier: AGPL-3.0-or-later OR GPL-2.0-only
*/
package com.owncloud.android.operations
package com.owncloud.android.operations;
import android.content.Context;
import com.nextcloud.client.account.User;
import com.owncloud.android.datamodel.ArbitraryDataProvider;
import com.owncloud.android.datamodel.ArbitraryDataProviderImpl;
import com.owncloud.android.datamodel.FileDataStorageManager;
import com.owncloud.android.datamodel.OCFile;
import com.owncloud.android.datamodel.e2e.v1.decrypted.DecryptedFolderMetadataFileV1;
import com.owncloud.android.datamodel.e2e.v1.decrypted.DecryptedMetadata;
import com.owncloud.android.datamodel.e2e.v2.decrypted.DecryptedFolderMetadataFile;
import com.owncloud.android.lib.common.OwnCloudClient;
import com.owncloud.android.lib.common.operations.RemoteOperation;
import com.owncloud.android.lib.common.operations.RemoteOperationResult;
import com.owncloud.android.lib.common.utils.Log_OC;
import com.owncloud.android.lib.resources.status.E2EVersion;
import com.owncloud.android.utils.EncryptionUtils;
import com.owncloud.android.utils.EncryptionUtilsV2;
import com.owncloud.android.utils.theme.CapabilityUtils;
import org.apache.commons.httpclient.HttpStatus;
import org.apache.commons.httpclient.NameValuePair;
import org.apache.jackrabbit.webdav.client.methods.DeleteMethod;
import java.io.IOException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateException;
import java.util.HashMap;
import javax.crypto.BadPaddingException;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
import kotlin.Pair;
import android.content.Context
import com.nextcloud.client.account.User
import com.owncloud.android.datamodel.ArbitraryDataProvider
import com.owncloud.android.datamodel.ArbitraryDataProviderImpl
import com.owncloud.android.datamodel.FileDataStorageManager
import com.owncloud.android.datamodel.OCFile
import com.owncloud.android.datamodel.e2e.v1.decrypted.DecryptedFolderMetadataFileV1
import com.owncloud.android.datamodel.e2e.v1.decrypted.DecryptedMetadata
import com.owncloud.android.lib.common.OwnCloudClient
import com.owncloud.android.lib.common.operations.RemoteOperation
import com.owncloud.android.lib.common.operations.RemoteOperationResult
import com.owncloud.android.lib.common.utils.Log_OC
import com.owncloud.android.lib.resources.status.E2EVersion
import com.owncloud.android.utils.EncryptionUtils
import com.owncloud.android.utils.EncryptionUtilsV2
import com.owncloud.android.utils.theme.CapabilityUtils
import org.apache.commons.httpclient.HttpStatus
import org.apache.commons.httpclient.NameValuePair
import org.apache.jackrabbit.webdav.client.methods.DeleteMethod
import java.io.IOException
import java.security.InvalidKeyException
import java.security.NoSuchAlgorithmException
import java.security.cert.CertificateException
import javax.crypto.BadPaddingException
import javax.crypto.IllegalBlockSizeException
import javax.crypto.NoSuchPaddingException
/**
* Remote operation performing the removal of a remote encrypted file or folder
*/
public class RemoveRemoteEncryptedFileOperation extends RemoteOperation<Void> {
private static final String TAG = RemoveRemoteEncryptedFileOperation.class.getSimpleName();
private static final int REMOVE_READ_TIMEOUT = 30000;
private static final int REMOVE_CONNECTION_TIMEOUT = 5000;
private final String remotePath;
private final OCFile parentFolder;
private final User user;
private final String fileName;
private final Context context;
private final boolean isFolder;
/**
* Constructor
*
* @param remotePath RemotePath of the remote file or folder to remove from the server
* @param parentFolder parent folder
*/
RemoveRemoteEncryptedFileOperation(String remotePath,
User user,
Context context,
String fileName,
OCFile parentFolder,
boolean isFolder) {
this.remotePath = remotePath;
this.user = user;
this.fileName = fileName;
this.context = context;
this.parentFolder = parentFolder;
this.isFolder = isFolder;
}
class RemoveRemoteEncryptedFileOperation
/**
* Constructor
*
* @param remotePath RemotePath of the remote file or folder to remove from the server
* @param parentFolder parent folder
*/
internal constructor(
private val remotePath: String,
private val user: User,
private val context: Context,
private val fileName: String,
private val parentFolder: OCFile,
private val isFolder: Boolean
) : RemoteOperation<Void>() {
/**
* Performs the remove operation.
*/
@Override
protected RemoteOperationResult<Void> run(OwnCloudClient client) {
RemoteOperationResult<Void> result;
DeleteMethod delete = null;
String token = null;
E2EVersion e2eVersion = CapabilityUtils.getCapability(context).getEndToEndEncryptionApiVersion();
boolean isE2EVersionAtLeast2 = e2eVersion.compareTo(E2EVersion.V2_0) >= 0;
override fun run(client: OwnCloudClient): RemoteOperationResult<Void> {
val result: RemoteOperationResult<Void>
var delete: DeleteMethod? = null
var token: String? = null
val e2eVersion = CapabilityUtils.getCapability(context).endToEndEncryptionApiVersion
val isE2EVersionAtLeast2 = e2eVersion.compareTo(E2EVersion.V2_0) >= 0
try {
token = EncryptionUtils.lockFolder(parentFolder, client);
if (isE2EVersionAtLeast2) {
Pair<RemoteOperationResult<Void>, DeleteMethod> deleteResult = deleteForV2(client, token);
result = deleteResult.getFirst();
delete = deleteResult.getSecond();
return result;
token = EncryptionUtils.lockFolder(parentFolder, client)
return if (isE2EVersionAtLeast2) {
val (first, second) = deleteForV2(client, token)
result = first
delete = second
result
} else {
return deleteForV1(client, token);
deleteForV1(client, token)
}
} catch (Exception e) {
result = new RemoteOperationResult<>(e);
Log_OC.e(TAG, "Remove " + remotePath + ": " + result.getLogMessage(), e);
} catch (e: Exception) {
result = RemoteOperationResult(e)
Log_OC.e(TAG, "Remove " + remotePath + ": " + result.logMessage, e)
} finally {
if (delete != null) {
delete.releaseConnection();
}
if (token != null) {
unlockFile(client, token,isE2EVersionAtLeast2);
}
delete?.releaseConnection()
token?.let { unlockFile(client, it, isE2EVersionAtLeast2) }
}
return result;
return result
}
private void unlockFile(OwnCloudClient client, String token, boolean isE2EVersionAtLeast2) {
RemoteOperationResult<Void> unlockFileOperationResult;
if (isE2EVersionAtLeast2) {
unlockFileOperationResult = EncryptionUtils.unlockFolder(parentFolder, client, token);
private fun unlockFile(client: OwnCloudClient, token: String, isE2EVersionAtLeast2: Boolean) {
val unlockFileOperationResult = if (isE2EVersionAtLeast2) {
EncryptionUtils.unlockFolder(parentFolder, client, token)
} else {
unlockFileOperationResult = EncryptionUtils.unlockFolderV1(parentFolder, client, token);
EncryptionUtils.unlockFolderV1(parentFolder, client, token)
}
if (!unlockFileOperationResult.isSuccess()) {
Log_OC.e(TAG, "Failed to unlock " + parentFolder.getLocalId());
if (!unlockFileOperationResult.isSuccess) {
Log_OC.e(TAG, "Failed to unlock " + parentFolder.localId)
}
}
private Pair<RemoteOperationResult<Void>, DeleteMethod> deleteRemoteFile(OwnCloudClient client, String token) throws IOException {
DeleteMethod delete = new DeleteMethod(client.getFilesDavUri(remotePath));
delete.setQueryString(new NameValuePair[]{new NameValuePair(E2E_TOKEN, token)});
int status = client.executeMethod(delete, REMOVE_READ_TIMEOUT, REMOVE_CONNECTION_TIMEOUT);
@Throws(IOException::class)
private fun deleteRemoteFile(
client: OwnCloudClient,
token: String?
): Pair<RemoteOperationResult<Void>, DeleteMethod> {
val delete = DeleteMethod(client.getFilesDavUri(remotePath)).apply {
setQueryString(arrayOf(NameValuePair(E2E_TOKEN, token)))
}
delete.getResponseBodyAsString(); // exhaust the response, although not interesting
RemoteOperationResult<Void> result = new RemoteOperationResult<>(delete.succeeded() || status == HttpStatus.SC_NOT_FOUND, delete);
Log_OC.i(TAG, "Remove " + remotePath + ": " + result.getLogMessage());
val status = client.executeMethod(delete, REMOVE_READ_TIMEOUT, REMOVE_CONNECTION_TIMEOUT)
delete.getResponseBodyAsString() // exhaust the response, although not interesting
return new Pair<>(result, delete);
val result = RemoteOperationResult<Void>(delete.succeeded() || status == HttpStatus.SC_NOT_FOUND, delete)
Log_OC.i(TAG, "Remove " + remotePath + ": " + result.logMessage)
return Pair(result, delete)
}
private DecryptedFolderMetadataFileV1 getMetadataV1(ArbitraryDataProvider arbitraryDataProvider) throws NoSuchPaddingException, IllegalBlockSizeException, CertificateException, NoSuchAlgorithmException, BadPaddingException, InvalidKeyException {
String publicKey = arbitraryDataProvider.getValue(user.getAccountName(), EncryptionUtils.PUBLIC_KEY);
private fun getMetadataV1(arbitraryDataProvider: ArbitraryDataProvider): DecryptedFolderMetadataFileV1 {
val publicKey = arbitraryDataProvider.getValue(user.accountName, EncryptionUtils.PUBLIC_KEY)
DecryptedFolderMetadataFileV1 metadata = new DecryptedFolderMetadataFileV1();
metadata.setMetadata(new DecryptedMetadata());
metadata.getMetadata().setVersion(1.2);
metadata.getMetadata().setMetadataKeys(new HashMap<>());
String metadataKey = EncryptionUtils.encodeBytesToBase64String(EncryptionUtils.generateKey());
String encryptedMetadataKey = EncryptionUtils.encryptStringAsymmetric(metadataKey, publicKey);
metadata.getMetadata().setMetadataKey(encryptedMetadataKey);
return metadata;
val metadata = DecryptedFolderMetadataFileV1().apply {
metadata = DecryptedMetadata()
metadata.version = 1.2
metadata.metadataKeys = HashMap()
}
val metadataKey = EncryptionUtils.encodeBytesToBase64String(EncryptionUtils.generateKey())
val encryptedMetadataKey = EncryptionUtils.encryptStringAsymmetric(metadataKey, publicKey)
metadata.metadata.metadataKey = encryptedMetadataKey
return metadata
}
private Pair<RemoteOperationResult<Void>, DeleteMethod> deleteForV2(OwnCloudClient client, String token) throws UploadException, IOException {
EncryptionUtilsV2 encryptionUtilsV2 = new EncryptionUtilsV2();
Pair<Boolean, DecryptedFolderMetadataFile> pair = encryptionUtilsV2.retrieveMetadata(parentFolder, client, user, context);
boolean metadataExists = pair.getFirst();
DecryptedFolderMetadataFile metadata = pair.getSecond();
private fun deleteForV2(client: OwnCloudClient, token: String?): Pair<RemoteOperationResult<Void>, DeleteMethod> {
val encryptionUtilsV2 = EncryptionUtilsV2()
Pair<RemoteOperationResult<Void>, DeleteMethod> deleteResult = deleteRemoteFile(client, token);
RemoteOperationResult<Void> result = deleteResult.getFirst();
DeleteMethod delete = deleteResult.getSecond();
val (metadataExists, metadata) = encryptionUtilsV2.retrieveMetadata(
parentFolder,
client,
user,
context
)
val (result, delete) = deleteRemoteFile(client, token)
if (isFolder) {
encryptionUtilsV2.removeFolderFromMetadata(fileName, metadata);
encryptionUtilsV2.removeFolderFromMetadata(fileName, metadata)
} else {
encryptionUtilsV2.removeFileFromMetadata(fileName, metadata);
encryptionUtilsV2.removeFileFromMetadata(fileName, metadata)
}
encryptionUtilsV2.serializeAndUploadMetadata(parentFolder,
metadata,
token,
client,
metadataExists,
context,
user,
new FileDataStorageManager(user, context.getContentResolver()));
encryptionUtilsV2.serializeAndUploadMetadata(
parentFolder,
metadata,
token!!,
client,
metadataExists,
context,
user,
FileDataStorageManager(user, context.contentResolver)
)
return new Pair<>(result, delete);
return Pair(result, delete)
}
private RemoteOperationResult<Void> deleteForV1(OwnCloudClient client, String token) throws NoSuchPaddingException, IllegalBlockSizeException, CertificateException, NoSuchAlgorithmException, BadPaddingException, InvalidKeyException, IOException, UploadException {
//noinspection deprecation
ArbitraryDataProvider arbitraryDataProvider = new ArbitraryDataProviderImpl(context);
DecryptedFolderMetadataFileV1 metadata = getMetadataV1(arbitraryDataProvider);
Pair<RemoteOperationResult<Void>, DeleteMethod> deleteResult = deleteRemoteFile(client, token);
String serializedMetadata;
@Throws(
NoSuchPaddingException::class,
IllegalBlockSizeException::class,
CertificateException::class,
NoSuchAlgorithmException::class,
BadPaddingException::class,
InvalidKeyException::class,
IOException::class,
UploadException::class
)
private fun deleteForV1(client: OwnCloudClient, token: String?): RemoteOperationResult<Void> {
val arbitraryDataProvider: ArbitraryDataProvider = ArbitraryDataProviderImpl(context)
val metadata = getMetadataV1(arbitraryDataProvider)
val (first) = deleteRemoteFile(client, token)
// check if we need metadataKeys
if (metadata.getMetadata().getMetadataKey() != null) {
serializedMetadata = EncryptionUtils.serializeJSON(metadata, true);
val serializedMetadata: String = if (metadata.metadata.getMetadataKey() != null) {
EncryptionUtils.serializeJSON(metadata, true)
} else {
serializedMetadata = EncryptionUtils.serializeJSON(metadata);
EncryptionUtils.serializeJSON(metadata)
}
EncryptionUtils.uploadMetadata(parentFolder,
serializedMetadata,
token,
client,
true,
E2EVersion.V1_2,
"",
arbitraryDataProvider,
user);
EncryptionUtils.uploadMetadata(
parentFolder,
serializedMetadata,
token,
client,
true, E2EVersion.V1_2,
"",
arbitraryDataProvider,
user
)
return deleteResult.getFirst();
return first
}
companion object {
private val TAG = RemoveRemoteEncryptedFileOperation::class.java.getSimpleName()
private const val REMOVE_READ_TIMEOUT = 30000
private const val REMOVE_CONNECTION_TIMEOUT = 5000
}
}