Updated handling of enforced password for public shares depending on server capabilities
[pub/Android/ownCloud.git] / src / com / owncloud / android / files / FileOperationsHelper.java
index b2f74f2..5ce6cc3 100644 (file)
 
 package com.owncloud.android.files;
 
-import org.apache.http.protocol.HTTP;
-
 import android.accounts.Account;
-import android.accounts.AccountManager;
+import android.content.ActivityNotFoundException;
+import android.content.Context;
 import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
 import android.net.Uri;
 import android.support.v4.app.DialogFragment;
 import android.webkit.MimeTypeMap;
 import android.widget.Toast;
 
 import com.owncloud.android.R;
+import com.owncloud.android.authentication.AccountUtils;
 import com.owncloud.android.datamodel.OCFile;
 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
-
-import com.owncloud.android.lib.common.accounts.AccountUtils.Constants;
 import com.owncloud.android.lib.common.network.WebdavUtils;
 import com.owncloud.android.lib.common.utils.Log_OC;
+import com.owncloud.android.lib.resources.shares.ShareType;
 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
 import com.owncloud.android.services.OperationsService;
+import com.owncloud.android.services.observer.FileObserverService;
 import com.owncloud.android.ui.activity.FileActivity;
+import com.owncloud.android.ui.activity.ShareActivity;
 import com.owncloud.android.ui.dialog.ShareLinkToDialog;
+import com.owncloud.android.ui.dialog.SharePasswordDialogFragment;
+
+
+import java.util.List;
 
 /**
  *
@@ -50,14 +57,14 @@ import com.owncloud.android.ui.dialog.ShareLinkToDialog;
 public class FileOperationsHelper {
 
     private static final String TAG = FileOperationsHelper.class.getName();
-    
-    private static final String FTAG_CHOOSER_DIALOG = "CHOOSER_DIALOG"; 
+
+    private static final String FTAG_CHOOSER_DIALOG = "CHOOSER_DIALOG";
 
     protected FileActivity mFileActivity = null;
 
     /// Identifier of operation in progress which result shouldn't be lost 
     private long mWaitingForOpId = Long.MAX_VALUE;
-    
+
     public FileOperationsHelper(FileActivity fileActivity) {
         mFileActivity = fileActivity;
     }
@@ -67,68 +74,145 @@ public class FileOperationsHelper {
         if (file != null) {
             String storagePath = file.getStoragePath();
             String encodedStoragePath = WebdavUtils.encodePath(storagePath);
-            
+
             Intent intentForSavedMimeType = new Intent(Intent.ACTION_VIEW);
-            intentForSavedMimeType.setDataAndType(Uri.parse("file://"+ encodedStoragePath), file.getMimetype());
-            intentForSavedMimeType.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
+            intentForSavedMimeType.setDataAndType(Uri.parse("file://"+ encodedStoragePath),
+                    file.getMimetype());
+            intentForSavedMimeType.setFlags(
+                    Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION
+            );
             
             Intent intentForGuessedMimeType = null;
             if (storagePath.lastIndexOf('.') >= 0) {
-                String guessedMimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(storagePath.substring(storagePath.lastIndexOf('.') + 1));
+                String guessedMimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(
+                        storagePath.substring(storagePath.lastIndexOf('.') + 1)
+                );
                 if (guessedMimeType != null && !guessedMimeType.equals(file.getMimetype())) {
                     intentForGuessedMimeType = new Intent(Intent.ACTION_VIEW);
-                    intentForGuessedMimeType.setDataAndType(Uri.parse("file://"+ encodedStoragePath), guessedMimeType);
-                    intentForGuessedMimeType.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
+                    intentForGuessedMimeType.
+                            setDataAndType(Uri.parse("file://"+ encodedStoragePath),
+                                    guessedMimeType);
+                    intentForGuessedMimeType.setFlags(
+                            Intent.FLAG_GRANT_READ_URI_PERMISSION |
+                                    Intent.FLAG_GRANT_WRITE_URI_PERMISSION
+                    );
                 }
             }
-            
-            Intent chooserIntent = null;
+
+            Intent openFileWithIntent;
             if (intentForGuessedMimeType != null) {
-                chooserIntent = Intent.createChooser(intentForGuessedMimeType, mFileActivity.getString(R.string.actionbar_open_with));
+                openFileWithIntent = intentForGuessedMimeType;
             } else {
-                chooserIntent = Intent.createChooser(intentForSavedMimeType, mFileActivity.getString(R.string.actionbar_open_with));
+                openFileWithIntent = intentForSavedMimeType;
             }
-            
-            mFileActivity.startActivity(chooserIntent);
-            
+
+            List<ResolveInfo> launchables = mFileActivity.getPackageManager().
+                    queryIntentActivities(openFileWithIntent, PackageManager.GET_INTENT_FILTERS);
+
+            if(launchables != null && launchables.size() > 0) {
+                try {
+                    mFileActivity.startActivity(
+                            Intent.createChooser(
+                                    openFileWithIntent, mFileActivity.getString(R.string.actionbar_open_with)
+                            )
+                    );
+                } catch (ActivityNotFoundException anfe) {
+                    showNoAppForFileTypeToast(mFileActivity.getApplicationContext());
+                }
+            } else {
+                showNoAppForFileTypeToast(mFileActivity.getApplicationContext());
+            }
+
         } else {
             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
         }
     }
-    
-    
-    public void shareFileWithLink(OCFile file) {
-        
+
+    /**
+     * Displays a toast stating that no application could be found to open the file.
+     *
+     * @param context the context to be able to show a toast.
+     */
+    private void showNoAppForFileTypeToast(Context context) {
+        Toast.makeText(context,
+                R.string.file_list_no_app_for_file_type, Toast.LENGTH_SHORT)
+                .show();
+    }
+
+
+    /**
+     * Helper method to share a file via a public link. Starts a request to do it in {@link OperationsService}
+     *
+     * @param file          The file to share.
+     * @param password      Optional password to protect the public share.
+     */
+    public void shareFileViaLink(OCFile file, String password) {
         if (isSharedSupported()) {
             if (file != null) {
-                String link = "https://fake.url";
-                Intent intent = createShareWithLinkIntent(link);
-                String[] packagesToExclude = new String[] { mFileActivity.getPackageName() };
-                DialogFragment chooserDialog = ShareLinkToDialog.newInstance(intent, packagesToExclude, file);
-                chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
-                
+                mFileActivity.showLoadingDialog(
+                        mFileActivity.getApplicationContext().
+                                getString(R.string.wait_a_moment)
+                );
+                Intent service = new Intent(mFileActivity, OperationsService.class);
+                service.setAction(OperationsService.ACTION_CREATE_SHARE_VIA_LINK);
+                service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
+                if (password != null && password.length() > 0) {
+                    service.putExtra(OperationsService.EXTRA_SHARE_PASSWORD, password);
+                }
+                service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
+                mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
+
             } else {
                 Log_OC.wtf(TAG, "Trying to share a NULL OCFile");
+                // TODO user-level error?
             }
-            
+
         } else {
             // Show a Message
-            Toast t = Toast.makeText(mFileActivity, mFileActivity.getString(R.string.share_link_no_support_share_api), Toast.LENGTH_LONG);
+            Toast t = Toast.makeText(
+                    mFileActivity, mFileActivity.getString(R.string.share_link_no_support_share_api),
+                    Toast.LENGTH_LONG
+            );
             t.show();
         }
     }
-    
-    
+
+    public void getFileWithLink(OCFile file){
+        if (isSharedSupported()) {
+            if (file != null) {
+                mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
+                        getString(R.string.wait_a_moment));
+
+                Intent service = new Intent(mFileActivity, OperationsService.class);
+                service.setAction(OperationsService.ACTION_CREATE_SHARE_VIA_LINK);
+                service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
+                service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
+                mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
+
+            } else {
+                Log_OC.wtf(TAG, "Trying to share a NULL OCFile");
+            }
+        } else {
+            // Show a Message
+            Toast t = Toast.makeText(
+                    mFileActivity, mFileActivity.getString(R.string.share_link_no_support_share_api),
+                    Toast.LENGTH_LONG
+            );
+            t.show();
+        }
+    }
+
     public void shareFileWithLinkToApp(OCFile file, String password, Intent sendIntent) {
         
         if (file != null) {
-            mFileActivity.showLoadingDialog();
-            
+            mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
+                    getString(R.string.wait_a_moment));
+
             Intent service = new Intent(mFileActivity, OperationsService.class);
-            service.setAction(OperationsService.ACTION_CREATE_SHARE);
+            service.setAction(OperationsService.ACTION_CREATE_SHARE_VIA_LINK);
             service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
             service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
-            service.putExtra(OperationsService.EXTRA_PASSWORD_SHARE, password);
+            service.putExtra(OperationsService.EXTRA_SHARE_PASSWORD, password);
             service.putExtra(OperationsService.EXTRA_SEND_INTENT, sendIntent);
             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
             
@@ -136,71 +220,210 @@ public class FileOperationsHelper {
             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
         }
     }
-    
-    
-    private Intent createShareWithLinkIntent(String link) {
-        Intent intentToShareLink = new Intent(Intent.ACTION_SEND);
-        intentToShareLink.putExtra(Intent.EXTRA_TEXT, link);
-        intentToShareLink.setType(HTTP.PLAIN_TEXT_TYPE);
-        return intentToShareLink; 
+
+    /**
+     * Helper method to share a file with a known sharee. Starts a request to do it in {@link OperationsService}
+     *
+     * @param file          The file to share.
+     * @param shareeName    Name (user name or group name) of the target sharee.
+     * @param shareType     The share type determines the sharee type.
+     */
+    public void shareFileWithSharee(OCFile file, String shareeName, ShareType shareType) {
+        if (file != null) {
+            // TODO check capability?
+            mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
+                    getString(R.string.wait_a_moment));
+
+            Intent service = new Intent(mFileActivity, OperationsService.class);
+            service.setAction(OperationsService.ACTION_CREATE_SHARE_WITH_SHAREE);
+            service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
+            service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
+            service.putExtra(OperationsService.EXTRA_SHARE_WITH, shareeName);
+            service.putExtra(OperationsService.EXTRA_SHARE_TYPE, shareType);
+            mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
+
+        } else {
+            Log_OC.wtf(TAG, "Trying to share a NULL OCFile");
+        }
     }
-    
-    
+
+
     /**
-     *  @return 'True' if the server supports the Share API
+     * @return 'True' if the server supports the Share API
      */
     public boolean isSharedSupported() {
         if (mFileActivity.getAccount() != null) {
-            AccountManager accountManager = AccountManager.get(mFileActivity);
-
-            String version = accountManager.getUserData(mFileActivity.getAccount(), Constants.KEY_OC_VERSION);
-            return (new OwnCloudVersion(version)).isSharedSupported();
+            OwnCloudVersion serverVersion = AccountUtils.getServerVersion(mFileActivity.getAccount());
+            return (serverVersion != null && serverVersion.isSharedSupported());
         }
         return false;
     }
-    
-    
-    public void unshareFileWithLink(OCFile file) {
-        
+
+
+    /**
+     * Helper method to unshare a file publicly shared via link.
+     * Starts a request to do it in {@link OperationsService}
+     *
+     * @param file      The file to unshare.
+     */
+    public void unshareFileViaLink(OCFile file) {
+
+        // Unshare the file: Create the intent
+        Intent unshareService = new Intent(mFileActivity, OperationsService.class);
+        unshareService.setAction(OperationsService.ACTION_UNSHARE);
+        unshareService.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
+        unshareService.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
+        unshareService.putExtra(OperationsService.EXTRA_SHARE_TYPE, ShareType.PUBLIC_LINK);
+        unshareService.putExtra(OperationsService.EXTRA_SHARE_WITH, "");
+
+        queueShareIntent(unshareService);
+    }
+
+    public void unshareFileWithUserOrGroup(OCFile file, ShareType shareType, String userOrGroup){
+
+        // Unshare the file: Create the intent
+        Intent unshareService = new Intent(mFileActivity, OperationsService.class);
+        unshareService.setAction(OperationsService.ACTION_UNSHARE);
+        unshareService.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
+        unshareService.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
+        unshareService.putExtra(OperationsService.EXTRA_SHARE_TYPE, shareType);
+        unshareService.putExtra(OperationsService.EXTRA_SHARE_WITH, userOrGroup);
+
+        queueShareIntent(unshareService);
+    }
+
+
+    private void queueShareIntent(Intent shareIntent){
         if (isSharedSupported()) {
             // Unshare the file
-            Intent service = new Intent(mFileActivity, OperationsService.class);
-            service.setAction(OperationsService.ACTION_UNSHARE);
-            service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
-            service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
-            mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
-            
-            mFileActivity.showLoadingDialog();
-            
+            mWaitingForOpId = mFileActivity.getOperationsServiceBinder().
+                    queueNewOperation(shareIntent);
+
+            mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
+                    getString(R.string.wait_a_moment));
+
         } else {
             // Show a Message
-            Toast t = Toast.makeText(mFileActivity, mFileActivity.getString(R.string.share_link_no_support_share_api), Toast.LENGTH_LONG);
+            Toast t = Toast.makeText(mFileActivity,
+                    mFileActivity.getString(R.string.share_link_no_support_share_api),
+                    Toast.LENGTH_LONG);
             t.show();
-            
+
         }
     }
-    
+
+    /**
+     * Show an instance of {@link ShareType} for sharing or unsharing the {@OCFile} received as parameter.
+     *
+     * @param file  File to share or unshare.
+     */
+    public void showShareFile(OCFile file){
+        Intent intent = new Intent(mFileActivity, ShareActivity.class);
+        intent.putExtra(mFileActivity.EXTRA_FILE, file);
+        intent.putExtra(mFileActivity.EXTRA_ACCOUNT, mFileActivity.getAccount());
+        mFileActivity.startActivity(intent);
+
+    }
+
+
+    /**
+     * Starts a dialog that requests a password to the user to protect a share link.
+     *
+     * @param   file            File which public share will be protected by the requested password
+     * @param   createShare     When 'true', the request for password will be followed by the creation of a new
+     *                          public link; when 'false', a public share is assumed to exist, and the password
+     *                          is bound to it.
+     */
+    public void requestPasswordForShareViaLink(OCFile file, boolean createShare) {
+        SharePasswordDialogFragment dialog =
+                SharePasswordDialogFragment.newInstance(file, createShare);
+        dialog.show(
+                mFileActivity.getSupportFragmentManager(),
+                SharePasswordDialogFragment.PASSWORD_FRAGMENT
+        );
+    }
+
+    /**
+     * Updates a public share on a file to set its password.
+     * Starts a request to do it in {@link OperationsService}
+     *
+     * @param file          File which public share will be protected with a password.
+     * @param password      Password to set for the public link; null or empty string to clear
+     *                      the current password
+     */
+    public void setPasswordToShareViaLink(OCFile file, String password) {
+        // Set password updating share
+        Intent updateShareIntent = new Intent(mFileActivity, OperationsService.class);
+        updateShareIntent.setAction(OperationsService.ACTION_UPDATE_SHARE);
+        updateShareIntent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
+        updateShareIntent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
+        updateShareIntent.putExtra(
+                OperationsService.EXTRA_SHARE_PASSWORD,
+                (password == null) ? "" : password
+        );
+
+        queueShareIntent(updateShareIntent);
+    }
+
+
+    /**
+     * Updates a public share on a file to set its expiration date.
+     * Starts a request to do it in {@link OperationsService}
+     *
+     * @param file                      File which public share will be constrained with an expiration date.
+     * @param expirationTimeInMillis    Expiration date to set. A negative value clears the current expiration
+     *                                  date, leaving the link unrestricted. Zero makes no change.
+     */
+    public void setExpirationDateToShareViaLink(OCFile file, long expirationTimeInMillis) {
+        Intent updateShareIntent = new Intent(mFileActivity, OperationsService.class);
+        updateShareIntent.setAction(OperationsService.ACTION_UPDATE_SHARE);
+        updateShareIntent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
+        updateShareIntent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
+        updateShareIntent.putExtra(
+                OperationsService.EXTRA_SHARE_EXPIRATION_DATE_IN_MILLIS,
+                expirationTimeInMillis
+        );
+        queueShareIntent(updateShareIntent);
+    }
+
+
+    /**
+     * @return 'True' if the server supports the Search Users API
+     */
+    public boolean isSearchUsersSupportedSupported() {
+        if (mFileActivity.getAccount() != null) {
+            OwnCloudVersion serverVersion = AccountUtils.getServerVersion(mFileActivity.getAccount());
+            return (serverVersion != null && serverVersion.isSearchUsersSupported());
+        }
+        return false;
+    }
+
     public void sendDownloadedFile(OCFile file) {
         if (file != null) {
+            String storagePath = file.getStoragePath();
+            String encodedStoragePath = WebdavUtils.encodePath(storagePath);
             Intent sendIntent = new Intent(android.content.Intent.ACTION_SEND);
             // set MimeType
             sendIntent.setType(file.getMimetype());
-            sendIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://" + file.getStoragePath()));
+            sendIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://" + encodedStoragePath));
             sendIntent.putExtra(Intent.ACTION_SEND, true);      // Send Action
-            
+
             // Show dialog, without the own app
-            String[] packagesToExclude = new String[] { mFileActivity.getPackageName() };
-            DialogFragment chooserDialog = ShareLinkToDialog.newInstance(sendIntent, packagesToExclude, file);
+            String[] packagesToExclude = new String[]{mFileActivity.getPackageName()};
+            DialogFragment chooserDialog = ShareLinkToDialog.newInstance(sendIntent, packagesToExclude);
             chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 
         } else {
             Log_OC.wtf(TAG, "Trying to send a NULL OCFile");
         }
     }
-    
-    
+
+    /**
+     * Request the synchronization of a file or folder with the OC server, including its contents.
+     *
+     * @param file          The file or folder to synchronize
+     */
     public void syncFile(OCFile file) {
-        
         if (!file.isFolder()){
             Intent intent = new Intent(mFileActivity, OperationsService.class);
             intent.setAction(OperationsService.ACTION_SYNC_FILE);
@@ -208,7 +431,8 @@ public class FileOperationsHelper {
             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
             intent.putExtra(OperationsService.EXTRA_SYNC_FILE_CONTENTS, true);
             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(intent);
-            mFileActivity.showLoadingDialog();
+            mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
+                    getString(R.string.wait_a_moment));
             
         } else {
             Intent intent = new Intent(mFileActivity, OperationsService.class);
@@ -216,6 +440,25 @@ public class FileOperationsHelper {
             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
             mFileActivity.startService(intent);
+
+        }
+    }
+
+    public void toggleFavorite(OCFile file, boolean isFavorite) {
+        file.setFavorite(isFavorite);
+        mFileActivity.getStorageManager().saveFile(file);
+
+        /// register the OCFile instance in the observer service to monitor local updates
+        Intent observedFileIntent = FileObserverService.makeObservedFileIntent(
+                mFileActivity,
+                file,
+                mFileActivity.getAccount(),
+                isFavorite);
+        mFileActivity.startService(observedFileIntent);
+
+        /// immediate content synchronization
+        if (file.isFavorite()) {
+            syncFile(file);
         }
     }
     
@@ -228,7 +471,8 @@ public class FileOperationsHelper {
         service.putExtra(OperationsService.EXTRA_NEWNAME, newFilename);
         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
         
-        mFileActivity.showLoadingDialog();
+        mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
+                getString(R.string.wait_a_moment));
     }
 
 
@@ -241,10 +485,11 @@ public class FileOperationsHelper {
         service.putExtra(OperationsService.EXTRA_REMOVE_ONLY_LOCAL, onlyLocalCopy);
         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
         
-        mFileActivity.showLoadingDialog();
+        mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
+                getString(R.string.wait_a_moment));
     }
-    
-    
+
+
     public void createFolder(String remotePath, boolean createFullPath) {
         // Create Folder
         Intent service = new Intent(mFileActivity, OperationsService.class);
@@ -254,7 +499,8 @@ public class FileOperationsHelper {
         service.putExtra(OperationsService.EXTRA_CREATE_FULL_PATH, createFullPath);
         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
         
-        mFileActivity.showLoadingDialog();
+        mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
+                getString(R.string.wait_a_moment));
     }
 
     /**
@@ -264,7 +510,8 @@ public class FileOperationsHelper {
     public void cancelTransference(OCFile file) {
         Account account = mFileActivity.getAccount();
         if (file.isFolder()) {
-            OperationsService.OperationsServiceBinder opsBinder = mFileActivity.getOperationsServiceBinder();
+            OperationsService.OperationsServiceBinder opsBinder =
+                    mFileActivity.getOperationsServiceBinder();
             if (opsBinder != null) {
                 opsBinder.cancel(account, file);
             }
@@ -272,27 +519,20 @@ public class FileOperationsHelper {
 
         // for both files and folders
         FileDownloaderBinder downloaderBinder = mFileActivity.getFileDownloaderBinder();
-        FileUploaderBinder uploaderBinder = mFileActivity.getFileUploaderBinder();
         if (downloaderBinder != null && downloaderBinder.isDownloading(account, file)) {
             downloaderBinder.cancel(account, file);
-
-            // TODO - review why is this here, and solve in a better way
-            // Remove etag for parent, if file is a keep_in_sync
-            if (file.keepInSync()) {
-                OCFile parent = mFileActivity.getStorageManager().getFileById(file.getParentId());
-                parent.setEtag("");
-                mFileActivity.getStorageManager().saveFile(parent);
-            }
-
-        } else if (uploaderBinder != null && uploaderBinder.isUploading(account, file)) {
+        }
+        FileUploaderBinder uploaderBinder = mFileActivity.getFileUploaderBinder();
+        if (uploaderBinder != null && uploaderBinder.isUploading(account, file)) {
             uploaderBinder.cancel(account, file);
         }
     }
 
     /**
      * Start move file operation
-     * @param newfile           File where it is going to be moved
-     * @param currentFile       File with the previous info
+     *
+     * @param newfile     File where it is going to be moved
+     * @param currentFile File with the previous info
      */
     public void moveFile(OCFile newfile, OCFile currentFile) {
         // Move files
@@ -303,9 +543,28 @@ public class FileOperationsHelper {
         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 
-        mFileActivity.showLoadingDialog();
+        mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
+                getString(R.string.wait_a_moment));
     }
 
+    /**
+     * Start copy file operation
+     *
+     * @param newfile     File where it is going to be moved
+     * @param currentFile File with the previous info
+     */
+    public void copyFile(OCFile newfile, OCFile currentFile) {
+        // Copy files
+        Intent service = new Intent(mFileActivity, OperationsService.class);
+        service.setAction(OperationsService.ACTION_COPY_FILE);
+        service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
+        service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
+        service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
+        mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
+
+        mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
+                getString(R.string.wait_a_moment));
+    }
 
     public long getOpIdWaitingFor() {
         return mWaitingForOpId;
@@ -315,6 +574,17 @@ public class FileOperationsHelper {
     public void setOpIdWaitingFor(long waitingForOpId) {
         mWaitingForOpId = waitingForOpId;
     }
-    
-    
+
+    /**
+     *  @return 'True' if the server doesn't need to check forbidden characters
+     */
+    public boolean isVersionWithForbiddenCharacters() {
+        if (mFileActivity.getAccount() != null) {
+            OwnCloudVersion serverVersion =
+                    AccountUtils.getServerVersion(mFileActivity.getAccount());
+            return (serverVersion != null && serverVersion.isVersionWithForbiddenCharacters());
+        }
+        return false;
+    }
+
 }