881 lines
36 KiB
Java
881 lines
36 KiB
Java
/*
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* Nextcloud Android client application
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*
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* @author Tobias Kaminsky
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* Copyright (C) 2017 Tobias Kaminsky
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* Copyright (C) 2017 Nextcloud GmbH.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.owncloud.android.operations;
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import android.accounts.Account;
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import android.content.Context;
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import android.os.Build;
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import android.support.annotation.RequiresApi;
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import com.google.gson.reflect.TypeToken;
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import com.owncloud.android.datamodel.ArbitraryDataProvider;
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import com.owncloud.android.datamodel.DecryptedFolderMetadata;
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import com.owncloud.android.datamodel.EncryptedFolderMetadata;
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import com.owncloud.android.datamodel.FileDataStorageManager;
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import com.owncloud.android.datamodel.OCFile;
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import com.owncloud.android.files.services.FileUploader;
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import com.owncloud.android.lib.common.OwnCloudClient;
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import com.owncloud.android.lib.common.network.OnDatatransferProgressListener;
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import com.owncloud.android.lib.common.network.ProgressiveDataTransferer;
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import com.owncloud.android.lib.common.operations.OperationCancelledException;
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import com.owncloud.android.lib.common.operations.RemoteOperation;
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import com.owncloud.android.lib.common.operations.RemoteOperationResult;
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import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
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import com.owncloud.android.lib.common.utils.Log_OC;
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import com.owncloud.android.lib.resources.files.ChunkedUploadRemoteFileOperation;
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import com.owncloud.android.lib.resources.files.ExistenceCheckRemoteOperation;
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import com.owncloud.android.lib.resources.files.GetMetadataOperation;
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import com.owncloud.android.lib.resources.files.LockFileOperation;
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import com.owncloud.android.lib.resources.files.ReadRemoteFileOperation;
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import com.owncloud.android.lib.resources.files.RemoteFile;
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import com.owncloud.android.lib.resources.files.StoreMetadataOperation;
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import com.owncloud.android.lib.resources.files.UnlockFileOperation;
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import com.owncloud.android.lib.resources.files.UpdateMetadataOperation;
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import com.owncloud.android.lib.resources.files.UploadRemoteFileOperation;
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import com.owncloud.android.operations.common.SyncOperation;
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import com.owncloud.android.utils.EncryptionUtils;
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import com.owncloud.android.utils.FileStorageUtils;
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import com.owncloud.android.utils.MimeType;
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import org.apache.commons.httpclient.HttpStatus;
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import org.apache.commons.httpclient.methods.RequestEntity;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.nio.channels.FileChannel;
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import java.nio.channels.FileLock;
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import java.nio.channels.OverlappingFileLockException;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.Set;
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import java.util.UUID;
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import java.util.concurrent.atomic.AtomicBoolean;
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import static com.owncloud.android.utils.EncryptionUtils.encodeStringToBase64Bytes;
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/**
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* Operation performing the update in the ownCloud server
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* of a file that was modified locally.
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*/
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@RequiresApi(api = Build.VERSION_CODES.KITKAT)
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public class UploadEncryptedFileOperation extends SyncOperation {
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private static final String TAG = UploadEncryptedFileOperation.class.getSimpleName();
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public static final int CREATED_BY_USER = 0;
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public static final int CREATED_AS_INSTANT_PICTURE = 1;
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public static final int CREATED_AS_INSTANT_VIDEO = 2;
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private OCFile parentFile;
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/**
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* OCFile which is to be uploaded.
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*/
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private OCFile ocFile;
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private int localBehaviour = FileUploader.LOCAL_BEHAVIOUR_COPY;
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private final String originalStoragePath;
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private boolean chunked = false;
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private boolean mRemoteFolderToBeCreated = false;
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private int mCreatedBy = CREATED_BY_USER;
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private long mOCUploadId = -1;
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/**
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* Local path to file which is to be uploaded (before any possible renaming or moving).
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*/
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private Set<OnDatatransferProgressListener> mDataTransferListeners = new HashSet<OnDatatransferProgressListener>();
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private final AtomicBoolean mCancellationRequested = new AtomicBoolean(false);
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private final AtomicBoolean mUploadStarted = new AtomicBoolean(false);
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private Context context;
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private UploadRemoteFileOperation mUploadOperation;
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protected RequestEntity mEntity = null;
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private Account account;
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private ArbitraryDataProvider arbitraryDataProvider;
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public UploadEncryptedFileOperation(OCFile parent, UploadFileOperation uploadFileOperation) {
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parentFile = parent;
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ocFile = uploadFileOperation.getFile();
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account = uploadFileOperation.getAccount();
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chunked = uploadFileOperation.isChunkedUploadSupported();
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context = uploadFileOperation.getContext();
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localBehaviour = uploadFileOperation.getLocalBehaviour();
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originalStoragePath = uploadFileOperation.getStoragePath();
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arbitraryDataProvider = new ArbitraryDataProvider(context.getContentResolver());
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}
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public Account getAccount() {
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return account;
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}
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public String getFileName() {
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return (ocFile != null) ? ocFile.getFileName() : null;
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}
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public OCFile getFile() {
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return ocFile;
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}
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public String getStoragePath() {
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return ocFile.getStoragePath();
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}
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public String getRemotePath() {
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return ocFile.getParentRemotePath() + ocFile.getEncryptedFileName();
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}
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public String getMimeType() {
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return ocFile.getMimetype();
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}
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public void setRemoteFolderToBeCreated() {
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mRemoteFolderToBeCreated = true;
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}
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public void setCreatedBy(int createdBy) {
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mCreatedBy = createdBy;
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if (createdBy < CREATED_BY_USER || CREATED_AS_INSTANT_VIDEO < createdBy) {
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mCreatedBy = CREATED_BY_USER;
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}
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}
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public int getCreatedBy() {
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return mCreatedBy;
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}
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public boolean isInstantPicture() {
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return mCreatedBy == CREATED_AS_INSTANT_PICTURE;
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}
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public boolean isInstantVideo() {
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return mCreatedBy == CREATED_AS_INSTANT_VIDEO;
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}
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public void setOCUploadId(long id) {
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mOCUploadId = id;
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}
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public long getOCUploadId() {
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return mOCUploadId;
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}
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public Set<OnDatatransferProgressListener> getDataTransferListeners() {
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return mDataTransferListeners;
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}
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public void addDatatransferProgressListener(OnDatatransferProgressListener listener) {
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synchronized (mDataTransferListeners) {
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mDataTransferListeners.add(listener);
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}
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if (mEntity != null) {
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((ProgressiveDataTransferer) mEntity).addDatatransferProgressListener(listener);
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}
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if (mUploadOperation != null) {
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mUploadOperation.addDatatransferProgressListener(listener);
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}
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}
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public void removeDatatransferProgressListener(OnDatatransferProgressListener listener) {
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synchronized (mDataTransferListeners) {
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mDataTransferListeners.remove(listener);
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}
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if (mEntity != null) {
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((ProgressiveDataTransferer) mEntity).removeDatatransferProgressListener(listener);
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}
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if (mUploadOperation != null) {
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mUploadOperation.removeDatatransferProgressListener(listener);
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}
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}
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@Override
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protected RemoteOperationResult run(OwnCloudClient client) {
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RemoteOperationResult result = null;
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boolean metadataExists = false;
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String token = null;
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mCancellationRequested.set(false);
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mUploadStarted.set(true);
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File temporalFile = null;
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File originalFile = new File(ocFile.getStoragePath());
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File expectedFile = null;
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FileLock fileLock = null;
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String privateKey = arbitraryDataProvider.getValue(account.name, EncryptionUtils.PRIVATE_KEY);
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String publicKey = arbitraryDataProvider.getValue(account.name, EncryptionUtils.PUBLIC_KEY);
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try {
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/// check if the file continues existing before schedule the operation
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if (!originalFile.exists()) {
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Log_OC.d(TAG, ocFile.getStoragePath() + " not exists anymore");
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throw new FileNotFoundException();
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}
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/// check the existence of the parent folder for the file to upload
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String remoteParentPath = new File(getRemotePath()).getParent();
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remoteParentPath = remoteParentPath.endsWith(OCFile.PATH_SEPARATOR) ?
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remoteParentPath : remoteParentPath + OCFile.PATH_SEPARATOR;
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result = grantFolderExistence(remoteParentPath, client);
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if (!result.isSuccess()) {
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return result;
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}
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// TODO automatic rename? UploadFileOperation:365
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/// set parent local id in uploading file
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// OCFile parent = getStorageManager().getFileByPath(remoteParentPath);
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// ocFile.setParentId(parent.getFileId());
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// if (mCancellationRequested.get()) {
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// throw new OperationCancelledException();
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// }
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// Get the last modification date of the file from the file system
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Long timeStampLong = originalFile.lastModified() / 1000;
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String timeStamp = timeStampLong.toString();
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// Lock folder
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LockFileOperation lockFileOperation = new LockFileOperation(parentFile.getLocalId());
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RemoteOperationResult lockFileOperationResult = lockFileOperation.execute(client);
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if (lockFileOperationResult.isSuccess()) {
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token = (String) lockFileOperationResult.getData().get(0);
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} else if (lockFileOperationResult.getHttpCode() == HttpStatus.SC_FORBIDDEN) {
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throw new Exception("Forbidden! Please try again later.)");
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} else {
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throw new Exception("Unknown error!");
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}
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// Update metadata
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GetMetadataOperation getMetadataOperation = new GetMetadataOperation(parentFile.getLocalId());
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RemoteOperationResult getMetadataOperationResult = getMetadataOperation.execute(client);
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DecryptedFolderMetadata metadata;
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if (getMetadataOperationResult.isSuccess()) {
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metadataExists = true;
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// decrypt metadata
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String serializedEncryptedMetadata = (String) getMetadataOperationResult.getData().get(0);
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EncryptedFolderMetadata encryptedFolderMetadata = EncryptionUtils.deserializeJSON(
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serializedEncryptedMetadata, new TypeToken<EncryptedFolderMetadata>() {
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});
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metadata = EncryptionUtils.decryptFolderMetaData(encryptedFolderMetadata, privateKey);
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} else if (getMetadataOperationResult.getHttpCode() == HttpStatus.SC_NOT_FOUND) {
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// new metadata
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metadata = new DecryptedFolderMetadata();
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metadata.metadata = new DecryptedFolderMetadata.Metadata();
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metadata.metadata.metadataKeys = new HashMap<>();
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String metadataKey = EncryptionUtils.encodeBytesToBase64String(EncryptionUtils.generateKey());
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String encryptedMetadataKey = EncryptionUtils.encryptStringAsymmetric(metadataKey, publicKey);
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metadata.metadata.metadataKeys.put(0, encryptedMetadataKey);
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} else {
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// TODO error
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throw new Exception("something wrong");
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}
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// Key
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byte[] key = null;
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try {
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// TODO change key if file has changed, e.g. when file is updated
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key = encodeStringToBase64Bytes(metadata.files.get(ocFile.getFileName()).encrypted.key);
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} catch (Exception e) {
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// no key found
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}
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if (key == null || key.length == 0) {
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key = EncryptionUtils.generateKey();
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}
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// IV
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byte[] iv = null;
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try {
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iv = encodeStringToBase64Bytes(metadata.files.get(ocFile.getFileName()).initializationVector);
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} catch (Exception e) {
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// no iv found
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}
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if (iv == null || iv.length == 0) {
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iv = EncryptionUtils.generateIV();
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}
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EncryptionUtils.EncryptedFile encryptedFile = EncryptionUtils.encryptFile(ocFile, key, iv);
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// new random file name, check if it exists in metadata
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String encryptedFileName = UUID.randomUUID().toString().replaceAll("-", "");
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while (metadata.files.get(encryptedFileName) != null) {
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encryptedFileName = UUID.randomUUID().toString().replaceAll("-", "");
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}
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ocFile.setEncryptedFileName(encryptedFileName);
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File encryptedTempFile = File.createTempFile("encFile", encryptedFileName);
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FileOutputStream fileOutputStream = new FileOutputStream(encryptedTempFile);
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fileOutputStream.write(encryptedFile.encryptedBytes);
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fileOutputStream.close();
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/// perform the upload
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if (chunked &&
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(new File(ocFile.getStoragePath())).length() >
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ChunkedUploadRemoteFileOperation.CHUNK_SIZE) {
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mUploadOperation = new ChunkedUploadRemoteFileOperation(context, encryptedTempFile.getAbsolutePath(),
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ocFile.getParentRemotePath() + encryptedFileName, ocFile.getMimetype(),
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ocFile.getEtagInConflict(), timeStamp);
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} else {
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mUploadOperation = new UploadRemoteFileOperation(encryptedTempFile.getAbsolutePath(),
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ocFile.getParentRemotePath() + encryptedFileName, ocFile.getMimetype(),
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ocFile.getEtagInConflict(), timeStamp);
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}
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Iterator<OnDatatransferProgressListener> listener = mDataTransferListeners.iterator();
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while (listener.hasNext()) {
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mUploadOperation.addDatatransferProgressListener(listener.next());
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}
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if (mCancellationRequested.get()) {
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throw new OperationCancelledException();
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}
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// FileChannel channel = null;
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// try {
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// channel = new RandomAccessFile(ocFile.getStoragePath(), "rw").getChannel();
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// fileLock = channel.tryLock();
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// } catch (FileNotFoundException e) {
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// if (temporalFile == null) {
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// String temporalPath = FileStorageUtils.getTemporalPath(account.name) + ocFile.getRemotePath();
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// ocFile.setStoragePath(temporalPath);
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// temporalFile = new File(temporalPath);
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//
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// result = copy(originalFile, temporalFile);
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//
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// if (result != null) {
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// return result;
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// } else {
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// if (temporalFile.length() == originalFile.length()) {
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// channel = new RandomAccessFile(temporalFile.getAbsolutePath(), "rw").getChannel();
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// fileLock = channel.tryLock();
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// } else {
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// while (temporalFile.length() != originalFile.length()) {
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// Files.deleteIfExists(Paths.get(temporalPath));
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// result = copy(originalFile, temporalFile);
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//
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// if (result != null) {
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// return result;
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// } else {
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// channel = new RandomAccessFile(temporalFile.getAbsolutePath(), "rw").
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// getChannel();
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// fileLock = channel.tryLock();
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// }
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// }
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// }
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// }
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// } else {
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// channel = new RandomAccessFile(temporalFile.getAbsolutePath(), "rw").getChannel();
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// fileLock = channel.tryLock();
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// }
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// }
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result = mUploadOperation.execute(client);
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/// move local temporal file or original file to its corresponding
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// location in the ownCloud local folder
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if (!result.isSuccess() && result.getHttpCode() == HttpStatus.SC_PRECONDITION_FAILED) {
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result = new RemoteOperationResult(ResultCode.SYNC_CONFLICT);
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}
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if (result.isSuccess()) {
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// upload metadata
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DecryptedFolderMetadata.DecryptedFile decryptedFile = new DecryptedFolderMetadata.DecryptedFile();
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DecryptedFolderMetadata.Data data = new DecryptedFolderMetadata.Data();
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data.filename = ocFile.getFileName();
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data.mimetype = ocFile.getMimetype();
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data.key = EncryptionUtils.encodeBytesToBase64String(key);
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decryptedFile.encrypted = data;
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decryptedFile.initializationVector = EncryptionUtils.encodeBytesToBase64String(iv);
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decryptedFile.authenticationTag = encryptedFile.authenticationTag;
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metadata.files.put(encryptedFileName, decryptedFile);
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EncryptedFolderMetadata encryptedFolderMetadata = EncryptionUtils.encryptFolderMetadata(metadata,
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privateKey);
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String serializedFolderMetadata = EncryptionUtils.serializeJSON(encryptedFolderMetadata);
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// upload metadata
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RemoteOperationResult uploadMetadataOperationResult;
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if (metadataExists) {
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// update metadata
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UpdateMetadataOperation storeMetadataOperation = new UpdateMetadataOperation(parentFile.getLocalId(),
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serializedFolderMetadata, token);
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uploadMetadataOperationResult = storeMetadataOperation.execute(client);
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} else {
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// store metadata
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StoreMetadataOperation storeMetadataOperation = new StoreMetadataOperation(parentFile.getLocalId(),
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serializedFolderMetadata);
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uploadMetadataOperationResult = storeMetadataOperation.execute(client);
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}
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if (!uploadMetadataOperationResult.isSuccess()) {
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throw new Exception();
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}
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}
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} catch (FileNotFoundException e) {
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Log_OC.d(TAG, ocFile.getStoragePath() + " not exists anymore");
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result = new RemoteOperationResult(ResultCode.LOCAL_FILE_NOT_FOUND);
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} catch (OverlappingFileLockException e) {
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Log_OC.d(TAG, "Overlapping file lock exception");
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result = new RemoteOperationResult(ResultCode.LOCK_FAILED);
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} catch (Exception e) {
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result = new RemoteOperationResult(e);
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} finally {
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mUploadStarted.set(false);
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// unlock file
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if (token != null) {
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UnlockFileOperation unlockFileOperation = new UnlockFileOperation(parentFile.getLocalId(), token);
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RemoteOperationResult unlockFileOperationResult = unlockFileOperation.execute(client);
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if (!unlockFileOperationResult.isSuccess()) {
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Log_OC.e(TAG, "Failed to unlock " + parentFile.getLocalId());
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}
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}
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if (fileLock != null) {
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try {
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fileLock.release();
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} catch (IOException e) {
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Log_OC.e(TAG, "Failed to unlock file with path " + ocFile.getStoragePath());
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}
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}
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if (temporalFile != null && !originalFile.equals(temporalFile)) {
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temporalFile.delete();
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}
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if (result == null) {
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result = new RemoteOperationResult(ResultCode.UNKNOWN_ERROR);
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}
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if (result.isSuccess()) {
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Log_OC.i(TAG, "Upload of " + ocFile.getStoragePath() + " to " + ocFile.getRemotePath() + ": " +
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result.getLogMessage());
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} else {
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if (result.getException() != null) {
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if (result.isCancelled()) {
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Log_OC.w(TAG, "Upload of " + ocFile.getStoragePath() + " to " + ocFile.getRemotePath() +
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": " + result.getLogMessage());
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} else {
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Log_OC.e(TAG, "Upload of " + ocFile.getStoragePath() + " to " + ocFile.getRemotePath() +
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": " + result.getLogMessage(), result.getException());
|
|
}
|
|
|
|
} else {
|
|
Log_OC.e(TAG, "Upload of " + ocFile.getStoragePath() + " to " + ocFile.getRemotePath() +
|
|
": " + result.getLogMessage());
|
|
}
|
|
}
|
|
}
|
|
|
|
switch (localBehaviour) {
|
|
case FileUploader.LOCAL_BEHAVIOUR_FORGET:
|
|
String temporalPath = FileStorageUtils.getTemporalPath(account.name) + ocFile.getRemotePath();
|
|
if (originalStoragePath.equals(temporalPath)) {
|
|
// delete local file is was pre-copied in temporary folder (see .ui.helpers.UriUploader)
|
|
temporalFile = new File(temporalPath);
|
|
temporalFile.delete();
|
|
}
|
|
ocFile.setStoragePath("");
|
|
saveUploadedFile(client);
|
|
break;
|
|
|
|
case FileUploader.LOCAL_BEHAVIOUR_DELETE:
|
|
Log_OC.d(TAG, "Delete source file");
|
|
|
|
originalFile.delete();
|
|
getStorageManager().deleteFileInMediaScan(originalFile.getAbsolutePath());
|
|
saveUploadedFile(client);
|
|
break;
|
|
|
|
case FileUploader.LOCAL_BEHAVIOUR_COPY:
|
|
if (temporalFile != null) {
|
|
try {
|
|
move(temporalFile, expectedFile);
|
|
} catch (IOException e) {
|
|
e.printStackTrace();
|
|
}
|
|
}
|
|
ocFile.setStoragePath(expectedFile.getAbsolutePath());
|
|
saveUploadedFile(client);
|
|
FileDataStorageManager.triggerMediaScan(expectedFile.getAbsolutePath());
|
|
break;
|
|
|
|
case FileUploader.LOCAL_BEHAVIOUR_MOVE:
|
|
|
|
String expectedPath = FileStorageUtils.getDefaultSavePathFor(account.name, ocFile);
|
|
expectedFile = new File(expectedPath);
|
|
|
|
try {
|
|
move(originalFile, expectedFile);
|
|
} catch (IOException e) {
|
|
e.printStackTrace();
|
|
}
|
|
getStorageManager().deleteFileInMediaScan(originalFile.getAbsolutePath());
|
|
ocFile.setStoragePath(expectedFile.getAbsolutePath());
|
|
saveUploadedFile(client);
|
|
FileDataStorageManager.triggerMediaScan(expectedFile.getAbsolutePath());
|
|
break;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* Checks the existence of the folder where the current file will be uploaded both
|
|
* in the remote server and in the local database.
|
|
* <p/>
|
|
* If the upload is set to enforce the creation of the folder, the method tries to
|
|
* create it both remote and locally.
|
|
*
|
|
* @param pathToGrant Full remote path whose existence will be granted.
|
|
* @return An {@link OCFile} instance corresponding to the folder where the file
|
|
* will be uploaded.
|
|
*/
|
|
private RemoteOperationResult grantFolderExistence(String pathToGrant, OwnCloudClient client) {
|
|
RemoteOperation operation = new ExistenceCheckRemoteOperation(pathToGrant, context, false);
|
|
RemoteOperationResult result = operation.execute(client);
|
|
if (!result.isSuccess() && result.getCode() == ResultCode.FILE_NOT_FOUND && mRemoteFolderToBeCreated) {
|
|
SyncOperation syncOp = new CreateFolderOperation(pathToGrant, true);
|
|
result = syncOp.execute(client, getStorageManager());
|
|
}
|
|
if (result.isSuccess()) {
|
|
OCFile parentDir = getStorageManager().getFileByPath(pathToGrant);
|
|
if (parentDir == null) {
|
|
parentDir = createLocalFolder(pathToGrant);
|
|
}
|
|
if (parentDir != null) {
|
|
result = new RemoteOperationResult(ResultCode.OK);
|
|
} else {
|
|
result = new RemoteOperationResult(ResultCode.UNKNOWN_ERROR);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
private OCFile createLocalFolder(String remotePath) {
|
|
String parentPath = new File(remotePath).getParent();
|
|
parentPath = parentPath.endsWith(OCFile.PATH_SEPARATOR) ?
|
|
parentPath : parentPath + OCFile.PATH_SEPARATOR;
|
|
OCFile parent = getStorageManager().getFileByPath(parentPath);
|
|
if (parent == null) {
|
|
parent = createLocalFolder(parentPath);
|
|
}
|
|
if (parent != null) {
|
|
OCFile createdFolder = new OCFile(remotePath);
|
|
createdFolder.setMimetype(MimeType.DIRECTORY);
|
|
createdFolder.setParentId(parent.getFileId());
|
|
getStorageManager().saveFile(createdFolder);
|
|
return createdFolder;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Checks if remotePath does not exist in the server and returns it, or adds
|
|
* a suffix to it in order to avoid the server file is overwritten.
|
|
*
|
|
* @param wc
|
|
* @param remotePath
|
|
* @return
|
|
*/
|
|
private String getAvailableRemotePath(OwnCloudClient wc, String remotePath) {
|
|
boolean check = existsFile(wc, remotePath);
|
|
if (!check) {
|
|
return remotePath;
|
|
}
|
|
|
|
int pos = remotePath.lastIndexOf('.');
|
|
String suffix = "";
|
|
String extension = "";
|
|
if (pos >= 0) {
|
|
extension = remotePath.substring(pos + 1);
|
|
remotePath = remotePath.substring(0, pos);
|
|
}
|
|
int count = 2;
|
|
do {
|
|
suffix = " (" + count + ")";
|
|
if (pos >= 0) {
|
|
check = existsFile(wc, remotePath + suffix + "." + extension);
|
|
} else {
|
|
check = existsFile(wc, remotePath + suffix);
|
|
}
|
|
count++;
|
|
} while (check);
|
|
|
|
if (pos >= 0) {
|
|
return remotePath + suffix + "." + extension;
|
|
} else {
|
|
return remotePath + suffix;
|
|
}
|
|
}
|
|
|
|
private boolean existsFile(OwnCloudClient client, String remotePath) {
|
|
ExistenceCheckRemoteOperation existsOperation =
|
|
new ExistenceCheckRemoteOperation(remotePath, context, false);
|
|
RemoteOperationResult result = existsOperation.execute(client);
|
|
return result.isSuccess();
|
|
}
|
|
|
|
/**
|
|
* Allows to cancel the actual upload operation. If actual upload operating
|
|
* is in progress it is cancelled, if upload preparation is being performed
|
|
* upload will not take place.
|
|
*/
|
|
public void cancel() {
|
|
if (mUploadOperation == null) {
|
|
if (mUploadStarted.get()) {
|
|
Log_OC.d(TAG, "Cancelling upload during upload preparations.");
|
|
mCancellationRequested.set(true);
|
|
} else {
|
|
Log_OC.e(TAG, "No upload in progress. This should not happen.");
|
|
}
|
|
} else {
|
|
Log_OC.d(TAG, "Cancelling upload during actual upload operation.");
|
|
mUploadOperation.cancel();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* As soon as this method return true, upload can be cancel via cancel().
|
|
*/
|
|
public boolean isUploadInProgress() {
|
|
return mUploadStarted.get();
|
|
|
|
}
|
|
|
|
// /**
|
|
// * TODO rewrite with homogeneous fail handling, remove dependency on {@link RemoteOperationResult},
|
|
// * TODO use Exceptions instead
|
|
// *
|
|
// * @param sourceFile Source file to copy.
|
|
// * @param targetFile Target location to copy the file.
|
|
// * @return {@link RemoteOperationResult}
|
|
// * @throws IOException
|
|
// */
|
|
// private RemoteOperationResult copy(File sourceFile, File targetFile) throws IOException {
|
|
// Log_OC.d(TAG, "Copying local file");
|
|
//
|
|
// RemoteOperationResult result = null;
|
|
//
|
|
// if (FileStorageUtils.getUsableSpace(account.name) < sourceFile.length()) {
|
|
// result = new RemoteOperationResult(ResultCode.LOCAL_STORAGE_FULL);
|
|
// return result; // error condition when the file should be copied
|
|
//
|
|
// } else {
|
|
// Log_OC.d(TAG, "Creating temporal folder");
|
|
// File temporalParent = targetFile.getParentFile();
|
|
// temporalParent.mkdirs();
|
|
// if (!temporalParent.isDirectory()) {
|
|
// throw new IOException(
|
|
// "Unexpected error: parent directory could not be created");
|
|
// }
|
|
// Log_OC.d(TAG, "Creating temporal file");
|
|
// targetFile.createNewFile();
|
|
// if (!targetFile.isFile()) {
|
|
// throw new IOException(
|
|
// "Unexpected error: target file could not be created");
|
|
// }
|
|
//
|
|
// Log_OC.d(TAG, "Copying file contents");
|
|
// InputStream in = null;
|
|
// OutputStream out = null;
|
|
//
|
|
// try {
|
|
// if (!mOriginalStoragePath.equals(targetFile.getAbsolutePath())) {
|
|
// // In case document provider schema as 'content://'
|
|
// if (mOriginalStoragePath.startsWith(UriUtils.URI_CONTENT_SCHEME)) {
|
|
// Uri uri = Uri.parse(mOriginalStoragePath);
|
|
// in = context.getContentResolver().openInputStream(uri);
|
|
// } else {
|
|
// in = new FileInputStream(sourceFile);
|
|
// }
|
|
// out = new FileOutputStream(targetFile);
|
|
// int nRead;
|
|
// byte[] buf = new byte[4096];
|
|
// while (!mCancellationRequested.get() &&
|
|
// (nRead = in.read(buf)) > -1) {
|
|
// out.write(buf, 0, nRead);
|
|
// }
|
|
// out.flush();
|
|
//
|
|
// } // else: weird but possible situation, nothing to copy
|
|
//
|
|
// if (mCancellationRequested.get()) {
|
|
// result = new RemoteOperationResult(new OperationCancelledException());
|
|
// return result;
|
|
// }
|
|
//
|
|
// } catch (Exception e) {
|
|
// result = new RemoteOperationResult(ResultCode.LOCAL_STORAGE_NOT_COPIED);
|
|
// return result;
|
|
//
|
|
// } finally {
|
|
// try {
|
|
// if (in != null) {
|
|
// in.close();
|
|
// }
|
|
// } catch (Exception e) {
|
|
// Log_OC.d(TAG, "Weird exception while closing input stream for " +
|
|
// mOriginalStoragePath + " (ignoring)", e);
|
|
// }
|
|
// try {
|
|
// if (out != null) {
|
|
// out.close();
|
|
// }
|
|
// } catch (Exception e) {
|
|
// Log_OC.d(TAG, "Weird exception while closing output stream for " +
|
|
// targetFile.getAbsolutePath() + " (ignoring)", e);
|
|
// }
|
|
// }
|
|
// }
|
|
// return result;
|
|
// }
|
|
|
|
|
|
/**
|
|
* TODO rewrite with homogeneous fail handling, remove dependency on {@link RemoteOperationResult},
|
|
* TODO use Exceptions instead
|
|
* <p>
|
|
* TODO refactor both this and 'copy' in a single method
|
|
*
|
|
* @param sourceFile Source file to move.
|
|
* @param targetFile Target location to move the file.
|
|
* @return {@link RemoteOperationResult}
|
|
* @throws IOException
|
|
*/
|
|
private void move(File sourceFile, File targetFile) throws IOException {
|
|
|
|
if (!targetFile.equals(sourceFile)) {
|
|
File expectedFolder = targetFile.getParentFile();
|
|
expectedFolder.mkdirs();
|
|
|
|
if (expectedFolder.isDirectory()) {
|
|
if (!sourceFile.renameTo(targetFile)) {
|
|
// try to copy and then delete
|
|
targetFile.createNewFile();
|
|
FileChannel inChannel = new FileInputStream(sourceFile).getChannel();
|
|
FileChannel outChannel = new FileOutputStream(targetFile).getChannel();
|
|
try {
|
|
inChannel.transferTo(0, inChannel.size(), outChannel);
|
|
sourceFile.delete();
|
|
} catch (Exception e) {
|
|
ocFile.setStoragePath(""); // forget the local file
|
|
// by now, treat this as a success; the file was uploaded
|
|
// the best option could be show a warning message
|
|
} finally {
|
|
if (inChannel != null) {
|
|
inChannel.close();
|
|
}
|
|
if (outChannel != null) {
|
|
outChannel.close();
|
|
}
|
|
}
|
|
}
|
|
|
|
} else {
|
|
ocFile.setStoragePath("");
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Saves a OC File after a successful upload.
|
|
* <p/>
|
|
* A PROPFIND is necessary to keep the props in the local database
|
|
* synchronized with the server, specially the modification time and Etag
|
|
* (where available)
|
|
* <p/>
|
|
*/
|
|
private void saveUploadedFile(OwnCloudClient client) {
|
|
OCFile file = ocFile;
|
|
if (file.fileExists()) {
|
|
file = getStorageManager().getFileById(file.getFileId());
|
|
}
|
|
long syncDate = System.currentTimeMillis();
|
|
file.setLastSyncDateForData(syncDate);
|
|
|
|
// new PROPFIND to keep data consistent with server
|
|
// in theory, should return the same we already have
|
|
// TODO from the appropriate OC server version, get data from last PUT response headers, instead
|
|
// TODO of a new PROPFIND; the latter may fail, specially for chunked uploads
|
|
ReadRemoteFileOperation operation = new ReadRemoteFileOperation(getRemotePath());
|
|
RemoteOperationResult result = operation.execute(client);
|
|
if (result.isSuccess()) {
|
|
updateOCFile(file, (RemoteFile) result.getData().get(0));
|
|
file.setLastSyncDateForProperties(syncDate);
|
|
} else {
|
|
Log_OC.e(TAG, "Error reading properties of file after successful upload; this is gonna hurt...");
|
|
}
|
|
|
|
file.setEncrypted(true);
|
|
file.setStoragePath("");
|
|
file.setParentId(parentFile.getFileId());
|
|
getStorageManager().saveFile(file);
|
|
getStorageManager().saveConflict(file, null);
|
|
|
|
FileDataStorageManager.triggerMediaScan(file.getStoragePath());
|
|
}
|
|
|
|
private void updateOCFile(OCFile file, RemoteFile remoteFile) {
|
|
file.setCreationTimestamp(remoteFile.getCreationTimestamp());
|
|
file.setFileLength(remoteFile.getLength());
|
|
// file.setMimetype(file.getMimetype());
|
|
file.setModificationTimestamp(remoteFile.getModifiedTimestamp());
|
|
file.setModificationTimestampAtLastSyncForData(remoteFile.getModifiedTimestamp());
|
|
file.setEtag(remoteFile.getEtag());
|
|
file.setRemoteId(remoteFile.getRemoteId());
|
|
}
|
|
|
|
public interface OnRenameListener {
|
|
|
|
void onRenameUpload();
|
|
}
|
|
|
|
}
|