コード例 #1
0
        private BooleanResult encryptCloud(Config.Clouds cloudSelected, string cloudPath)
        {
            // Get new password from user //
            var promptPassword = new PromptNewPassword();

            if (promptPassword.ShowDialog() != DialogResult.OK)
            {
                // Cancelled
                return(new BooleanResult()
                {
                    Success = true
                });
            }
            string password     = promptPassword.CloudPassword;
            string passwordConf = promptPassword.CloudPasswordConfirm;

            // * //



            // Sanity checks //
            if (password.Length < Config.MIN_PASSWORD_LEN || !string.Equals(password, passwordConf))
            {
                return(new BooleanResult()
                {
                    Success = false, Message = "Passwords provided must match and be non-zero in length!"
                });
            }
            // * //



            // GET NEXT FREE DRIVE LETTER
            string targetDrive = Toolbox.GetNextFreeDriveLetter();

            if (targetDrive == null)
            {
                return(new BooleanResult()
                {
                    Success = false, Message = "ERROR: Cannot find a free drive letter!"
                });
            }
            // * //



            // Microsoft OneDrive will cause problems during migration if it is running,
            //  so terminate it before we start
            if (cloudSelected == Config.Clouds.OneDrive)
            {
                // Ask user permission to close process first
                var confirmResult = MessageBox.Show("OneDrive process must be stopped before migration.", "Should I close it?", MessageBoxButtons.YesNo);
                if (confirmResult != DialogResult.Yes)
                {
                    return(new BooleanResult()
                    {
                        Success = false, Message = "ERROR: Please close OneDrive application before migration."
                    });
                }


                // Try OneDrive first, then SkyDrive
                Process[] processes = Process.GetProcessesByName("OneDrive");
                if (processes.Length == 0)
                {
                    processes = Process.GetProcessesByName("SkyDrive");
                }

                // If we found a OneDrive/SkyDrive process running, attempt to close it, or kill it otherwise
                if (processes.Length > 0)
                {
                    processes[0].CloseMainWindow();
                    processes[0].WaitForExit(5000);
                    if (!processes[0].HasExited)
                    {
                        processes[0].Kill();
                        processes[0].WaitForExit(5000);
                        if (!processes[0].HasExited)
                        {
                            return(new BooleanResult()
                            {
                                Success = false, Message = "ERROR: Could not close OneDrive application!"
                            });
                        }
                    }
                }
            }
            else
            {
                // Tell user to turn of syncing for service
                var confirmResult = MessageBox.Show("Please remember to disable file syncronization for " + cloudSelected.ToString(), "Press OK when you're ready.", MessageBoxButtons.OKCancel);
                if (confirmResult != DialogResult.OK)
                {
                    return(new BooleanResult()
                    {
                        Success = false, Message = "ERROR: Please disable file synchronization before migration."
                    });
                }
            }
            // * //



            // Disable while we calcualte stuff
            this.Cursor = Cursors.WaitCursor;
            g_tabContainer.Controls[1].Enabled = false;


            // Progress bar
            s_progress.Value   = 0;
            s_progress.Visible = true;
            Application.DoEvents();
            s_progress.ProgressBar.Refresh();


            // Generate a new GUID to identify this FS
            string guid = Guid.NewGuid().ToString();


            // Helper result object
            BooleanResult res = null;



            // Run work-heavy tasks in a separate thread
            CancellationTokenSource cts         = new CancellationTokenSource();
            CancellationToken       cancelToken = cts.Token;
            var workerThread = Task.Factory.StartNew(() =>
            {
                // Update UI
                this.Invoke((MethodInvoker) delegate
                {
                    s_progress.Value   = 25;
                    l_statusLabel.Text = "Generating encryption key ...";
                    Application.DoEvents();
                    s_progress.ProgressBar.Refresh();
                });

                // Generate master key & protect with user password //
                string masterKey    = Toolbox.GenerateKey(Config.MASTERKEY_PW_CHAR_COUNT);
                string encMasterKey = Toolbox.PasswordEncryptKey(masterKey, password);

                // Ensure we got good stuff back
                if (masterKey == null)
                {
                    return(new BooleanResult()
                    {
                        Success = false, Message = "ERROR: Cannot generate master key!"
                    });
                }
                if (encMasterKey == null)
                {
                    return(new BooleanResult()
                    {
                        Success = false, Message = "ERROR: Cannot encrypt master key!"
                    });
                }

                Registry.SetValue(Config.CURR_USR_REG_DRIVE_ROOT + guid, "encHeader", encMasterKey);
                // * //



                // Generate temporary location to hold enc data
                string tempFolderName = cloudPath + ".backup-" + Path.GetRandomFileName();
                Directory.CreateDirectory(tempFolderName);



                // Update UI
                this.Invoke((MethodInvoker) delegate
                {
                    s_progress.Value   = 50;
                    l_statusLabel.Text = "Creating EncFS drive";
                    Application.DoEvents();
                    s_progress.ProgressBar.Refresh();
                });

                // Create new EncFS
                res = EncryptFS.CreateEncryptedFS(guid, cloudPath, targetDrive, masterKey, "Secure " + cloudSelected.ToString(), true);
                if (res == null || !res.Success)
                {
                    return(res);
                }
                // * //



                // Update UI
                this.Invoke((MethodInvoker) delegate
                {
                    s_progress.Value   = 75;
                    l_statusLabel.Text = "Copying data from Cloud folder to encrypted drive";
                    Application.DoEvents();
                    s_progress.ProgressBar.Refresh();
                });

                // Copy cloud data over
                res = EncryptFS.MoveDataFromFolder(cloudPath, tempFolderName);
                if (res == null || !res.Success)
                {
                    return(res);
                }

                res = EncryptFS.CopyDataFromFolder(tempFolderName, targetDrive + ":\\");
                if (res == null || !res.Success)
                {
                    return(res);
                }
                // * //


                return(new BooleanResult()
                {
                    Success = true
                });
            }, TaskCreationOptions.LongRunning);


            // When threaded tasks finish, check for errors and continue (if appropriate)
            workerThread.ContinueWith((antecedent) =>
            {
                // Block until we get a result back from previous thread
                BooleanResult result = antecedent.Result;


                // Check if there was an error in previous thread
                if (result == null || !result.Success)
                {
                    ReportEncryptCloudError(result);
                    return;
                }



                // Re-enable everything //
                this.Cursor = Cursors.Default;
                g_tabContainer.Controls[1].Enabled = true;
                l_statusLabel.Text = "Successfully moved your cloud folder!";
                s_progress.Value   = 0;
                s_progress.Visible = false;
                Application.DoEvents();
                // * //
            },
                                      cancelToken,
                                      TaskContinuationOptions.OnlyOnRanToCompletion,
                                      TaskScheduler.FromCurrentSynchronizationContext()
                                      );


            return(new BooleanResult()
            {
                Success = true
            });
        }
コード例 #2
0
        private BooleanResult mountCloud(string guid, Config.Clouds cloudSelected, string cloudPath)
        {
            // Get password from user //
            var promptPassword = new PromptPassword();

            if (promptPassword.ShowDialog() != DialogResult.OK)
            {
                // Cancelled
                return(new BooleanResult()
                {
                    Success = true
                });
            }
            string password = promptPassword.CloudPassword;
            // * //


            // GET NEXT FREE DRIVE LETTER
            string targetDrive = Toolbox.GetNextFreeDriveLetter();

            if (targetDrive == null)
            {
                return(new BooleanResult()
                {
                    Success = false, Message = "ERROR: Cannot find a free drive letter!"
                });
            }
            // * //


            // Helper result object
            BooleanResult res = null;



            // Check to see if it is already mounted //
            Dictionary <string, string> mounts = EncryptFS.GetAllMountedEncFS();

            if (mounts == null)
            {
                return(new BooleanResult()
                {
                    Success = false, Message = "ERROR: Cannot figure out which EncFS instances are mounted!"
                });
            }
            if (mounts.ContainsKey(guid))
            {
                return(new BooleanResult()
                {
                    Success = false, Message = "This encrypted folder appears to already be mounted!"
                });
            }
            // * //



            // Get and decrypt user's master key (using user password) //
            string masterKey = null;
            string encHeader = (string)Registry.GetValue(Config.CURR_USR_REG_DRIVE_ROOT + guid, "encHeader", null);

            if (string.IsNullOrEmpty(encHeader))
            {
                return(new BooleanResult()
                {
                    Success = false, Message = "ERROR: User's header information could not be found!"
                });
            }

            masterKey = Toolbox.PasswordDecryptKey(encHeader, password);

            // Make sure we got a key back
            if (masterKey == null)
            {
                return(new BooleanResult()
                {
                    Success = false, Message = "ERROR: Failed to decrypt master key!"
                });
            }
            // * //



            // Mount their freshly-created encrypted drive
            res = EncryptFS.MountEncryptedFS(guid, targetDrive, masterKey, "Secure " + cloudSelected.ToString());
            if (res == null || !res.Success)
            {
                return(res);
            }
            // * //


            return(new BooleanResult()
            {
                Success = true
            });
        }
コード例 #3
0
ファイル: EncryptFS.cs プロジェクト: rajeshwarn/Keenou
        // * //



        // Get folder path for cloud service //
        public static string GetCloudServicePath(Config.Clouds type)
        {
            string folderPath = null;
            string configPath, configFilePath;

            switch (type)
            {
            case Config.Clouds.Dropbox:
                configPath = @"Dropbox\info.json";

                // Find config file -- first try %APPDATA%, then %LOCALAPPDATA%
                configFilePath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), configPath);
                if (!File.Exists(configFilePath))
                {
                    configFilePath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), configPath);
                    if (!File.Exists(configFilePath))
                    {
                        return(null);
                    }
                }

                // Read and parse config file
                string personalPath = null;
                string businessPath = null;
                using (StreamReader r = new StreamReader(configFilePath))
                {
                    var         serializer = new JavaScriptSerializer();
                    DropboxJSON accounts   = serializer.Deserialize <DropboxJSON>(r.ReadToEnd());

                    if (accounts.personal != null)
                    {
                        personalPath = accounts.personal.path;
                    }
                    if (accounts.business != null)
                    {
                        businessPath = accounts.business.path;
                    }

                    // Only support personal folder for now
                    folderPath = personalPath;
                }


                break;


            case Config.Clouds.GoogleDrive:
                configPath = @"Google\Drive\user_default\sync_config.db";

                // Find config file -- first try Google\Drive\user_default\sync_config.db, then Google\Drive\sync_config.db
                configFilePath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), configPath);
                if (!File.Exists(configFilePath))
                {
                    configPath     = @"Google\Drive\sync_config.db";
                    configFilePath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), configPath);
                    if (!File.Exists(configFilePath))
                    {
                        return(null);
                    }
                }

                using (SQLiteConnection con = new SQLiteConnection(@"Data Source=" + configFilePath + ";Version=3;New=False;Compress=True;"))
                {
                    con.Open();
                    using (SQLiteCommand sqLitecmd = new SQLiteCommand(con))
                    {
                        sqLitecmd.CommandText = "select * from data where entry_key='local_sync_root_path'";

                        using (SQLiteDataReader reader = sqLitecmd.ExecuteReader())
                        {
                            reader.Read();

                            // data_value is in format "\\?\<path>"
                            folderPath = reader["data_value"].ToString().Substring(4);
                        }
                    }
                }

                break;


            case Config.Clouds.OneDrive:

                // Find config file -- first try SkyDrive (old name), then OneDrive
                folderPath = (string)Registry.GetValue(@"HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\SkyDrive", "UserFolder", null);
                if (folderPath == null)
                {
                    folderPath = (string)Registry.GetValue(@"HKEY_CURRENT_USER\Software\Microsoft\OneDrive", "UserFolder", null);
                }

                break;
            }


            return(folderPath);
        }