android/app/src/main/java/com/owncloud/android/operations/RefreshFolderOperation.java

822 lines
35 KiB
Java

/*
* Nextcloud - Android Client
*
* SPDX-FileCopyrightText: 2019-2023 Tobias Kaminsky <tobias@kaminsky.me>
* SPDX-FileCopyrightText: 2015 ownCloud Inc.
* SPDX-FileCopyrightText: 2013 David A. Velasco <dvelasco@solidgear.es>
* SPDX-License-Identifier: GPL-2.0-only AND AGPL-3.0-or-later
*/
package com.owncloud.android.operations;
import android.content.Context;
import android.content.Intent;
import com.google.common.collect.Maps;
import com.google.gson.Gson;
import com.nextcloud.android.lib.resources.directediting.DirectEditingObtainRemoteOperation;
import com.nextcloud.client.account.User;
import com.nextcloud.common.NextcloudClient;
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.v2.decrypted.DecryptedFile;
import com.owncloud.android.datamodel.e2e.v2.decrypted.DecryptedFolderMetadataFile;
import com.owncloud.android.lib.common.DirectEditing;
import com.owncloud.android.lib.common.OwnCloudClient;
import com.owncloud.android.lib.common.OwnCloudClientFactory;
import com.owncloud.android.lib.common.UserInfo;
import com.owncloud.android.lib.common.accounts.AccountUtils;
import com.owncloud.android.lib.common.operations.RemoteOperation;
import com.owncloud.android.lib.common.operations.RemoteOperationResult;
import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
import com.owncloud.android.lib.common.utils.Log_OC;
import com.owncloud.android.lib.resources.files.ReadFileRemoteOperation;
import com.owncloud.android.lib.resources.files.ReadFolderRemoteOperation;
import com.owncloud.android.lib.resources.files.model.RemoteFile;
import com.owncloud.android.lib.resources.shares.GetSharesForFileRemoteOperation;
import com.owncloud.android.lib.resources.shares.OCShare;
import com.owncloud.android.lib.resources.shares.ShareType;
import com.owncloud.android.lib.resources.status.E2EVersion;
import com.owncloud.android.lib.resources.users.GetPredefinedStatusesRemoteOperation;
import com.owncloud.android.lib.resources.users.PredefinedStatus;
import com.owncloud.android.syncadapter.FileSyncAdapter;
import com.owncloud.android.utils.DataHolderUtil;
import com.owncloud.android.utils.EncryptionUtils;
import com.owncloud.android.utils.FileStorageUtils;
import com.owncloud.android.utils.MimeType;
import com.owncloud.android.utils.MimeTypeUtil;
import com.owncloud.android.utils.theme.CapabilityUtils;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Vector;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.localbroadcastmanager.content.LocalBroadcastManager;
import static com.owncloud.android.datamodel.OCFile.PATH_SEPARATOR;
/**
* Remote operation performing the synchronization of the list of files contained in a folder identified with its
* remote path.
* Fetches the list and properties of the files contained in the given folder, including their properties, and updates
* the local database with them.
* Does NOT enter in the child folders to synchronize their contents also.
*/
@SuppressWarnings("PMD.AvoidDuplicateLiterals")
public class RefreshFolderOperation extends RemoteOperation {
private static final String TAG = RefreshFolderOperation.class.getSimpleName();
public static final String EVENT_SINGLE_FOLDER_CONTENTS_SYNCED =
RefreshFolderOperation.class.getName() + ".EVENT_SINGLE_FOLDER_CONTENTS_SYNCED";
public static final String EVENT_SINGLE_FOLDER_SHARES_SYNCED =
RefreshFolderOperation.class.getName() + ".EVENT_SINGLE_FOLDER_SHARES_SYNCED";
/** Time stamp for the synchronization process in progress */
private long mCurrentSyncTime;
/** Remote folder to synchronize */
private OCFile mLocalFolder;
/** Access to the local database */
private FileDataStorageManager mStorageManager;
/** Account where the file to synchronize belongs */
private User user;
/** Android context; necessary to send requests to the download service */
private Context mContext;
/** Files and folders contained in the synchronized folder after a successful operation */
private List<OCFile> mChildren;
/** Counter of conflicts found between local and remote files */
private int mConflictsFound;
/** Counter of failed operations in synchronization of kept-in-sync files */
private int mFailsInKeptInSyncFound;
/**
* Map of remote and local paths to files that where locally stored in a location
* out of the ownCloud folder and couldn't be copied automatically into it
**/
private Map<String, String> mForgottenLocalFiles;
/**
* 'True' means that this operation is part of a full account synchronization
*/
private boolean mSyncFullAccount;
/** 'True' means that the remote folder changed and should be fetched */
private boolean mRemoteFolderChanged;
/** 'True' means that Etag will be ignored */
private boolean mIgnoreETag;
/**
* 'True' means that no share and no capabilities will be updated
*/
private boolean mOnlyFileMetadata;
private List<SynchronizeFileOperation> mFilesToSyncContents;
// this will be used for every file when 'folder synchronization' replaces 'folder download'
/**
* Creates a new instance of {@link RefreshFolderOperation}.
*
* @param folder Folder to synchronize.
* @param currentSyncTime Time stamp for the synchronization process in progress.
* @param syncFullAccount 'True' means that this operation is part of a full account
* synchronization.
* @param ignoreETag 'True' means that the content of the remote folder should
* be fetched and updated even though the 'eTag' did not
* change.
* @param dataStorageManager Interface with the local database.
* @param user ownCloud account where the folder is located.
* @param context Application context.
*/
public RefreshFolderOperation(OCFile folder,
long currentSyncTime,
boolean syncFullAccount,
boolean ignoreETag,
FileDataStorageManager dataStorageManager,
User user,
Context context) {
mLocalFolder = folder;
mCurrentSyncTime = currentSyncTime;
mSyncFullAccount = syncFullAccount;
mStorageManager = dataStorageManager;
this.user = user;
mContext = context;
mForgottenLocalFiles = new HashMap<>();
mRemoteFolderChanged = false;
mIgnoreETag = ignoreETag;
mOnlyFileMetadata = false;
mFilesToSyncContents = new Vector<>();
}
public RefreshFolderOperation(OCFile folder,
long currentSyncTime,
boolean syncFullAccount,
boolean ignoreETag,
boolean onlyFileMetadata,
FileDataStorageManager dataStorageManager,
User user,
Context context) {
mLocalFolder = folder;
mCurrentSyncTime = currentSyncTime;
mSyncFullAccount = syncFullAccount;
mStorageManager = dataStorageManager;
this.user = user;
mContext = context;
mForgottenLocalFiles = new HashMap<>();
mRemoteFolderChanged = false;
mIgnoreETag = ignoreETag;
mOnlyFileMetadata = onlyFileMetadata;
mFilesToSyncContents = new Vector<>();
}
public int getConflictsFound() {
return mConflictsFound;
}
public int getFailsInKeptInSyncFound() {
return mFailsInKeptInSyncFound;
}
public Map<String, String> getForgottenLocalFiles() {
return mForgottenLocalFiles;
}
/**
* Returns the list of files and folders contained in the synchronized folder,
* if called after synchronization is complete.
*
* @return List of files and folders contained in the synchronized folder.
*/
public List<OCFile> getChildren() {
return mChildren;
}
/**
* Performs the synchronization.
*
* {@inheritDoc}
*/
@Override
protected RemoteOperationResult run(OwnCloudClient client) {
RemoteOperationResult result;
mFailsInKeptInSyncFound = 0;
mConflictsFound = 0;
mForgottenLocalFiles.clear();
if (OCFile.ROOT_PATH.equals(mLocalFolder.getRemotePath()) && !mSyncFullAccount && !mOnlyFileMetadata) {
updateOCVersion(client);
updateUserProfile();
}
result = checkForChanges(client);
if (result.isSuccess()) {
if (mRemoteFolderChanged) {
// TODO catch IllegalStateException, show properly to user
result = fetchAndSyncRemoteFolder(client);
} else {
mChildren = mStorageManager.getFolderContent(mLocalFolder, false);
}
if (result.isSuccess()) {
// request for the synchronization of KEPT-IN-SYNC file contents
startContentSynchronizations(mFilesToSyncContents);
} else {
mLocalFolder.setEtag("");
}
mLocalFolder.setLastSyncDateForData(System.currentTimeMillis());
mStorageManager.saveFile(mLocalFolder);
}
if (!mSyncFullAccount && mRemoteFolderChanged) {
sendLocalBroadcast(
EVENT_SINGLE_FOLDER_CONTENTS_SYNCED, mLocalFolder.getRemotePath(), result
);
}
if (result.isSuccess() && !mSyncFullAccount && !mOnlyFileMetadata) {
refreshSharesForFolder(client); // share result is ignored
}
if (!mSyncFullAccount) {
sendLocalBroadcast(
EVENT_SINGLE_FOLDER_SHARES_SYNCED, mLocalFolder.getRemotePath(), result
);
}
return result;
}
private void updateOCVersion(OwnCloudClient client) {
UpdateOCVersionOperation update = new UpdateOCVersionOperation(user, mContext);
RemoteOperationResult result = update.execute(client);
if (result.isSuccess()) {
// Update Capabilities for this account
updateCapabilities();
}
}
private void updateUserProfile() {
try {
NextcloudClient nextcloudClient = OwnCloudClientFactory.createNextcloudClient(user, mContext);
RemoteOperationResult<UserInfo> result = new GetUserProfileOperation(mStorageManager).execute(nextcloudClient);
if (!result.isSuccess()) {
Log_OC.w(TAG, "Couldn't update user profile from server");
} else {
Log_OC.i(TAG, "Got display name: " + result.getResultData());
}
} catch (AccountUtils.AccountNotFoundException | NullPointerException e) {
Log_OC.e(this, "Error updating profile", e);
}
}
private void updateCapabilities() {
ArbitraryDataProvider arbitraryDataProvider = new ArbitraryDataProviderImpl(mContext);
String oldDirectEditingEtag = arbitraryDataProvider.getValue(user,
ArbitraryDataProvider.DIRECT_EDITING_ETAG);
RemoteOperationResult result = new GetCapabilitiesOperation(mStorageManager).execute(mContext);
if (result.isSuccess()) {
String newDirectEditingEtag = mStorageManager.getCapability(user.getAccountName()).getDirectEditingEtag();
if (!oldDirectEditingEtag.equalsIgnoreCase(newDirectEditingEtag)) {
updateDirectEditing(arbitraryDataProvider, newDirectEditingEtag);
}
updatePredefinedStatus(arbitraryDataProvider);
} else {
Log_OC.w(TAG, "Update Capabilities unsuccessfully");
}
}
private void updateDirectEditing(ArbitraryDataProvider arbitraryDataProvider, String newDirectEditingEtag) {
RemoteOperationResult<DirectEditing> result = new DirectEditingObtainRemoteOperation().execute(user,
mContext);
if (result.isSuccess()) {
DirectEditing directEditing = result.getResultData();
String json = new Gson().toJson(directEditing);
arbitraryDataProvider.storeOrUpdateKeyValue(user.getAccountName(), ArbitraryDataProvider.DIRECT_EDITING, json);
} else {
arbitraryDataProvider.deleteKeyForAccount(user.getAccountName(), ArbitraryDataProvider.DIRECT_EDITING);
}
arbitraryDataProvider.storeOrUpdateKeyValue(user.getAccountName(),
ArbitraryDataProvider.DIRECT_EDITING_ETAG,
newDirectEditingEtag);
}
private void updatePredefinedStatus(ArbitraryDataProvider arbitraryDataProvider) {
NextcloudClient client;
try {
client = OwnCloudClientFactory.createNextcloudClient(user, mContext);
} catch (AccountUtils.AccountNotFoundException | NullPointerException e) {
Log_OC.e(this, "Update of predefined status not possible!");
return;
}
RemoteOperationResult<ArrayList<PredefinedStatus>> result =
new GetPredefinedStatusesRemoteOperation().execute(client);
if (result.isSuccess()) {
ArrayList<PredefinedStatus> predefinedStatuses = result.getResultData();
String json = new Gson().toJson(predefinedStatuses);
arbitraryDataProvider.storeOrUpdateKeyValue(user.getAccountName(), ArbitraryDataProvider.PREDEFINED_STATUS, json);
} else {
arbitraryDataProvider.deleteKeyForAccount(user.getAccountName(), ArbitraryDataProvider.PREDEFINED_STATUS);
}
}
private RemoteOperationResult checkForChanges(OwnCloudClient client) {
mRemoteFolderChanged = true;
RemoteOperationResult result;
String remotePath = mLocalFolder.getRemotePath();
Log_OC.d(TAG, "Checking changes in " + user.getAccountName() + remotePath);
// remote request
result = new ReadFileRemoteOperation(remotePath).execute(client);
if (result.isSuccess()) {
OCFile remoteFolder = FileStorageUtils.fillOCFile((RemoteFile) result.getData().get(0));
if (!mIgnoreETag) {
// check if remote and local folder are different
String remoteFolderETag = remoteFolder.getEtag();
if (remoteFolderETag != null) {
mRemoteFolderChanged = !(remoteFolderETag.equalsIgnoreCase(mLocalFolder.getEtag()));
} else {
Log_OC.e(TAG, "Checked " + user.getAccountName() + remotePath + ": No ETag received from server");
}
}
result = new RemoteOperationResult(ResultCode.OK);
Log_OC.i(TAG, "Checked " + user.getAccountName() + remotePath + " : " +
(mRemoteFolderChanged ? "changed" : "not changed"));
} else {
// check failed
if (result.getCode() == ResultCode.FILE_NOT_FOUND) {
removeLocalFolder();
}
if (result.isException()) {
Log_OC.e(TAG, "Checked " + user.getAccountName() + remotePath + " : " +
result.getLogMessage(), result.getException());
} else {
Log_OC.e(TAG, "Checked " + user.getAccountName() + remotePath + " : " +
result.getLogMessage());
}
}
return result;
}
private RemoteOperationResult fetchAndSyncRemoteFolder(OwnCloudClient client) {
String remotePath = mLocalFolder.getRemotePath();
RemoteOperationResult result = new ReadFolderRemoteOperation(remotePath).execute(client);
Log_OC.d(TAG, "Refresh folder " + user.getAccountName() + remotePath);
Log_OC.d(TAG, "Refresh folder with remote id" + mLocalFolder.getRemoteId());
if (result.isSuccess()) {
synchronizeData(result.getData());
if (mConflictsFound > 0 || mFailsInKeptInSyncFound > 0) {
result = new RemoteOperationResult(ResultCode.SYNC_CONFLICT);
// should be a different result code, but will do the job
}
} else {
if (result.getCode() == ResultCode.FILE_NOT_FOUND) {
removeLocalFolder();
}
}
return result;
}
private void removeLocalFolder() {
if (mStorageManager.fileExists(mLocalFolder.getFileId())) {
String currentSavePath = FileStorageUtils.getSavePath(user.getAccountName());
mStorageManager.removeFolder(
mLocalFolder,
true,
mLocalFolder.isDown() && mLocalFolder.getStoragePath().startsWith(currentSavePath)
);
}
}
/**
* Synchronizes the data retrieved from the server about the contents of the target folder
* with the current data in the local database.
*
* Grants that mChildren is updated with fresh data after execution.
*
* @param folderAndFiles Remote folder and children files in Folder
*/
private void synchronizeData(List<Object> folderAndFiles) {
// get 'fresh data' from the database
mLocalFolder = mStorageManager.getFileByPath(mLocalFolder.getRemotePath());
// parse data from remote folder
OCFile remoteFolder = FileStorageUtils.fillOCFile((RemoteFile) folderAndFiles.get(0));
remoteFolder.setParentId(mLocalFolder.getParentId());
remoteFolder.setFileId(mLocalFolder.getFileId());
Log_OC.d(TAG, "Remote folder " + mLocalFolder.getRemotePath() + " changed - starting update of local data ");
List<OCFile> updatedFiles = new ArrayList<>(folderAndFiles.size() - 1);
mFilesToSyncContents.clear();
// if local folder is encrypted, download fresh metadata
boolean encryptedAncestor = FileStorageUtils.checkEncryptionStatus(mLocalFolder, mStorageManager);
mLocalFolder.setEncrypted(encryptedAncestor);
// update permission
mLocalFolder.setPermissions(remoteFolder.getPermissions());
// update richWorkspace
mLocalFolder.setRichWorkspace(remoteFolder.getRichWorkspace());
// update eTag
mLocalFolder.setEtag(remoteFolder.getEtag());
// update size
mLocalFolder.setFileLength(remoteFolder.getFileLength());
Object object = null;
if (mLocalFolder.isEncrypted()) {
object = getDecryptedFolderMetadata(encryptedAncestor,
mLocalFolder,
getClient(),
user,
mContext);
}
if (CapabilityUtils.getCapability(mContext).getEndToEndEncryptionApiVersion().compareTo(E2EVersion.V2_0) >= 0) {
if (encryptedAncestor && object == null) {
throw new IllegalStateException("metadata is null!");
}
}
// get current data about local contents of the folder to synchronize
Map<String, OCFile> localFilesMap;
E2EVersion e2EVersion;
if (object instanceof DecryptedFolderMetadataFileV1) {
e2EVersion = E2EVersion.V1_2;
localFilesMap = prefillLocalFilesMap((DecryptedFolderMetadataFileV1) object,
mStorageManager.getFolderContent(mLocalFolder, false));
} else {
e2EVersion = E2EVersion.V2_0;
localFilesMap = prefillLocalFilesMap((DecryptedFolderMetadataFile) object,
mStorageManager.getFolderContent(mLocalFolder, false));
// update counter
if (object != null) {
mLocalFolder.setE2eCounter(((DecryptedFolderMetadataFile) object).getMetadata().getCounter());
}
}
// loop to update every child
OCFile remoteFile;
OCFile localFile;
OCFile updatedFile;
RemoteFile remote;
for (int i = 1; i < folderAndFiles.size(); i++) {
/// new OCFile instance with the data from the server
remote = (RemoteFile) folderAndFiles.get(i);
remoteFile = FileStorageUtils.fillOCFile(remote);
// new OCFile instance to merge fresh data from server with local state
updatedFile = FileStorageUtils.fillOCFile(remote);
updatedFile.setParentId(mLocalFolder.getFileId());
// retrieve local data for the read file
localFile = localFilesMap.remove(remoteFile.getRemotePath());
// TODO better implementation is needed
if (localFile == null) {
localFile = mStorageManager.getFileByPath(updatedFile.getRemotePath());
}
// add to updatedFile data about LOCAL STATE (not existing in server)
updatedFile.setLastSyncDateForProperties(mCurrentSyncTime);
// keep thumbnail info
if (!updatedFile.isUpdateThumbnailNeeded() && localFile != null && localFile.getImageDimension() != null) {
updatedFile.setImageDimension(localFile.getImageDimension());
}
// add to updatedFile data from local and remote file
setLocalFileDataOnUpdatedFile(remoteFile, localFile, updatedFile, mRemoteFolderChanged);
// check and fix, if needed, local storage path
FileStorageUtils.searchForLocalFileInDefaultPath(updatedFile, user.getAccountName());
// update file name for encrypted files
if (e2EVersion == E2EVersion.V1_2) {
updateFileNameForEncryptedFileV1(mStorageManager,
(DecryptedFolderMetadataFileV1) object,
updatedFile);
} else {
updateFileNameForEncryptedFile(mStorageManager,
(DecryptedFolderMetadataFile) object,
updatedFile);
if (localFile != null) {
updatedFile.setE2eCounter(localFile.getE2eCounter());
}
}
// we parse content, so either the folder itself or its direct parent (which we check) must be encrypted
boolean encrypted = updatedFile.isEncrypted() || mLocalFolder.isEncrypted();
updatedFile.setEncrypted(encrypted);
updatedFiles.add(updatedFile);
}
// save updated contents in local database
// update file name for encrypted files
if (e2EVersion == E2EVersion.V1_2) {
updateFileNameForEncryptedFileV1(mStorageManager,
(DecryptedFolderMetadataFileV1) object,
mLocalFolder);
} else {
updateFileNameForEncryptedFile(mStorageManager,
(DecryptedFolderMetadataFile) object,
mLocalFolder);
}
mStorageManager.saveFolder(remoteFolder, updatedFiles, localFilesMap.values());
mChildren = updatedFiles;
}
@Nullable
public static Object getDecryptedFolderMetadata(boolean encryptedAncestor,
OCFile localFolder,
OwnCloudClient client,
User user,
Context context) {
Object metadata;
if (encryptedAncestor) {
metadata = EncryptionUtils.downloadFolderMetadata(localFolder, client, context, user);
} else {
metadata = null;
}
return metadata;
}
public static void updateFileNameForEncryptedFileV1(FileDataStorageManager storageManager,
@NonNull DecryptedFolderMetadataFileV1 metadata,
OCFile updatedFile) {
try {
String decryptedFileName;
String mimetype;
if (updatedFile.isFolder()) {
decryptedFileName = metadata.getFiles().get(updatedFile.getFileName()).getEncrypted().getFilename();
mimetype = MimeType.DIRECTORY;
} else {
com.owncloud.android.datamodel.e2e.v1.decrypted.DecryptedFile decryptedFile =
metadata.getFiles().get(updatedFile.getFileName());
decryptedFileName = decryptedFile.getEncrypted().getFilename();
mimetype = decryptedFile.getEncrypted().getMimetype();
}
OCFile parentFile = storageManager.getFileById(updatedFile.getParentId());
String decryptedRemotePath = parentFile.getDecryptedRemotePath() + decryptedFileName;
if (updatedFile.isFolder()) {
decryptedRemotePath += "/";
}
updatedFile.setDecryptedRemotePath(decryptedRemotePath);
if (mimetype == null || mimetype.isEmpty()) {
if (updatedFile.isFolder()) {
updatedFile.setMimeType(MimeType.DIRECTORY);
} else {
updatedFile.setMimeType("application/octet-stream");
}
} else {
updatedFile.setMimeType(mimetype);
}
} catch (NullPointerException e) {
Log_OC.e(TAG, "DecryptedMetadata for file " + updatedFile.getFileId() + " not found!");
}
}
public static void updateFileNameForEncryptedFile(FileDataStorageManager storageManager,
@NonNull DecryptedFolderMetadataFile metadata,
OCFile updatedFile) {
try {
String decryptedFileName;
String mimetype;
if (updatedFile.isFolder()) {
decryptedFileName = metadata.getMetadata().getFolders().get(updatedFile.getFileName());
mimetype = MimeType.DIRECTORY;
} else {
DecryptedFile decryptedFile = metadata.getMetadata().getFiles().get(updatedFile.getFileName());
decryptedFileName = decryptedFile.getFilename();
mimetype = decryptedFile.getMimetype();
}
OCFile parentFile = storageManager.getFileById(updatedFile.getParentId());
String decryptedRemotePath = parentFile.getDecryptedRemotePath() + decryptedFileName;
if (updatedFile.isFolder()) {
decryptedRemotePath += "/";
}
updatedFile.setDecryptedRemotePath(decryptedRemotePath);
if (mimetype == null || mimetype.isEmpty()) {
if (updatedFile.isFolder()) {
updatedFile.setMimeType(MimeType.DIRECTORY);
} else {
updatedFile.setMimeType("application/octet-stream");
}
} else {
updatedFile.setMimeType(mimetype);
}
} catch (NullPointerException e) {
Log_OC.e(TAG, "DecryptedMetadata for file " + updatedFile.getFileId() + " not found!");
}
}
private void setLocalFileDataOnUpdatedFile(OCFile remoteFile, OCFile localFile, OCFile updatedFile, boolean remoteFolderChanged) {
if (localFile != null) {
updatedFile.setFileId(localFile.getFileId());
updatedFile.setLastSyncDateForData(localFile.getLastSyncDateForData());
updatedFile.setModificationTimestampAtLastSyncForData(
localFile.getModificationTimestampAtLastSyncForData()
);
if (localFile.isEncrypted()) {
if (mLocalFolder.getStoragePath() == null) {
updatedFile.setStoragePath(FileStorageUtils.getDefaultSavePathFor(user.getAccountName(), mLocalFolder) +
localFile.getFileName());
} else {
updatedFile.setStoragePath(mLocalFolder.getStoragePath() +
PATH_SEPARATOR +
localFile.getFileName());
}
} else {
updatedFile.setStoragePath(localFile.getStoragePath());
}
// eTag will not be updated unless file CONTENTS are synchronized
if (!updatedFile.isFolder() && localFile.isDown() &&
!updatedFile.getEtag().equals(localFile.getEtag())) {
updatedFile.setEtagInConflict(updatedFile.getEtag());
}
updatedFile.setEtag(localFile.getEtag());
if (updatedFile.isFolder()) {
updatedFile.setFileLength(remoteFile.getFileLength());
updatedFile.setMountType(remoteFile.getMountType());
} else if (remoteFolderChanged && MimeTypeUtil.isImage(remoteFile) &&
remoteFile.getModificationTimestamp() !=
localFile.getModificationTimestamp()) {
updatedFile.setUpdateThumbnailNeeded(true);
Log_OC.d(TAG, "Image " + remoteFile.getFileName() + " updated on the server");
}
updatedFile.setSharedViaLink(localFile.isSharedViaLink());
updatedFile.setSharedWithSharee(localFile.isSharedWithSharee());
} else {
// remote eTag will not be updated unless file CONTENTS are synchronized
updatedFile.setEtag("");
}
// eTag on Server is used for thumbnail validation
updatedFile.setEtagOnServer(remoteFile.getEtag());
}
@NonNull
public static Map<String, OCFile> prefillLocalFilesMap(Object metadata, List<OCFile> localFiles) {
Map<String, OCFile> localFilesMap = Maps.newHashMapWithExpectedSize(localFiles.size());
for (OCFile file : localFiles) {
String remotePath = file.getRemotePath();
if (metadata != null) {
remotePath = file.getParentRemotePath() + file.getEncryptedFileName();
if (file.isFolder() && !remotePath.endsWith(PATH_SEPARATOR)) {
remotePath = remotePath + PATH_SEPARATOR;
}
}
localFilesMap.put(remotePath, file);
}
return localFilesMap;
}
/**
* Performs a list of synchronization operations, determining if a download or upload is needed
* or if exists conflict due to changes both in local and remote contents of the each file.
*
* If download or upload is needed, request the operation to the corresponding service and goes
* on.
*
* @param filesToSyncContents Synchronization operations to execute.
*/
private void startContentSynchronizations(List<SynchronizeFileOperation> filesToSyncContents) {
RemoteOperationResult contentsResult;
for (SynchronizeFileOperation op : filesToSyncContents) {
contentsResult = op.execute(mContext); // async
if (!contentsResult.isSuccess()) {
if (contentsResult.getCode() == ResultCode.SYNC_CONFLICT) {
mConflictsFound++;
} else {
mFailsInKeptInSyncFound++;
if (contentsResult.getException() != null) {
Log_OC.e(TAG, "Error while synchronizing favourites : "
+ contentsResult.getLogMessage(), contentsResult.getException());
} else {
Log_OC.e(TAG, "Error while synchronizing favourites : "
+ contentsResult.getLogMessage());
}
}
} // won't let these fails break the synchronization process
}
}
/**
* Syncs the Share resources for the files contained in the folder refreshed (children, not deeper descendants).
*
* @param client Handler of a session with an OC server.
* @return The result of the remote operation retrieving the Share resources in the folder refreshed by
* the operation.
*/
private RemoteOperationResult refreshSharesForFolder(OwnCloudClient client) {
RemoteOperationResult result;
// remote request
GetSharesForFileRemoteOperation operation =
new GetSharesForFileRemoteOperation(mLocalFolder.getRemotePath(), true, true);
result = operation.execute(client);
if (result.isSuccess()) {
// update local database
ArrayList<OCShare> shares = new ArrayList<>();
OCShare share;
for (Object obj : result.getData()) {
share = (OCShare) obj;
if (ShareType.NO_SHARED != share.getShareType()) {
shares.add(share);
}
}
mStorageManager.saveSharesInFolder(shares, mLocalFolder);
}
return result;
}
/**
* Sends a message to any application component interested in the progress
* of the synchronization.
*
* @param event broadcast event (Intent Action)
* @param dirRemotePath Remote path of a folder that was just synchronized
* (with or without success)
* @param result remote operation result
*/
private void sendLocalBroadcast(String event, String dirRemotePath, RemoteOperationResult result) {
Log_OC.d(TAG, "Send broadcast " + event);
Intent intent = new Intent(event);
intent.putExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME, user.getAccountName());
if (dirRemotePath != null) {
intent.putExtra(FileSyncAdapter.EXTRA_FOLDER_PATH, dirRemotePath);
}
DataHolderUtil dataHolderUtil = DataHolderUtil.getInstance();
String dataHolderItemId = dataHolderUtil.nextItemId();
dataHolderUtil.save(dataHolderItemId, result);
intent.putExtra(FileSyncAdapter.EXTRA_RESULT, dataHolderItemId);
intent.setPackage(mContext.getPackageName());
LocalBroadcastManager.getInstance(mContext.getApplicationContext()).sendBroadcast(intent);
}
}