private void BuildBackup() { StringBuilder bkpLog = new StringBuilder(); IAMDatabase db = null; try { db = new IAMDatabase(localConfig.SqlServer, localConfig.SqlDb, localConfig.SqlUsername, localConfig.SqlPassword); db.openDB(); bkpLog.AppendLine("Listando tabelas da base de dados..."); DataTable dtS = db.Select("select TABLE_NAME from information_schema.tables where TABLE_TYPE = 'BASE TABLE' order by TABLE_NAME"); if ((dtS == null) || (dtS.Rows.Count == 0)) { bkpLog.AppendLine("Listagem de tabelas vazia ou nula"); throw new Exception("Table list is null or empty"); } bkpLog.AppendLine(dtS.Rows.Count + " tabelas"); FileInfo bkpFile = new FileInfo(Path.Combine(Path.Combine(basePath, "Backup"), "bkp-" + DateTime.Now.ToString("yyyy-MM-dd-HH-mm") + ".iambkp")); if (!bkpFile.Directory.Exists) { bkpFile.Directory.Create(); } bkpLog.AppendLine("Criando arquivo de backup: " + bkpFile.FullName); using (SqliteBase exportDB = new SqliteBase(bkpFile)) { foreach (DataRow drSrc in dtS.Rows) { String tableName = drSrc["TABLE_NAME"].ToString(); bkpLog.AppendLine("Exportando tabela: " + tableName); Console.WriteLine(tableName); DataTable dtSchema = db.GetSchema(tableName); StringBuilder createCmd = new StringBuilder(); createCmd.AppendLine("DROP TABLE IF EXISTS [" + tableName.ToLower() + "];"); /* * CREATE TABLE [Events] ( * id INTEGER PRIMARY KEY AUTOINCREMENT, * test_id TEXT NOT NULL, * date datetime not null DEFAULT (datetime('now','localtime')), * event_text TEXT NULL * );*/ List <String> columns = new List <string>(); bkpLog.AppendLine("Criando estrutura da tabela"); try { foreach (DataColumn dc in dtSchema.Columns) { if (dc.DataType.Equals(typeof(Int32)) || dc.DataType.Equals(typeof(Int64))) { columns.Add("[" + dc.ColumnName + "] INTEGER NULL"); } else if (dc.DataType.Equals(typeof(DateTime))) { columns.Add("[" + dc.ColumnName + "] datetime NULL"); } else { columns.Add("[" + dc.ColumnName + "] TEXT NULL"); } } } catch (Exception ex) { bkpLog.AppendLine("Erro ao listar as colunas da tabela '" + tableName + "': " + ex.Message); TextLog.Log("Backup", "\tErro ao listar as colunas da tabela '" + tableName + "': " + ex.Message); throw ex; } try { createCmd.AppendLine("CREATE TABLE [" + tableName.ToLower() + "] ("); createCmd.AppendLine(String.Join(", " + Environment.NewLine, columns)); createCmd.AppendLine(");"); exportDB.ExecuteNonQuery(createCmd.ToString()); } catch (Exception ex) { bkpLog.AppendLine("Erro ao criando tabela '" + tableName + "': " + ex.Message); TextLog.Log("Backup", "\tErro ao criando tabela '" + tableName + "': " + ex.Message); throw ex; } //Copiando dados das tabelas try { bkpLog.AppendLine("Copiando dados"); if (tableName.ToLower() == "logs") { DataTable dtSrcData = db.ExecuteDataTable("select l.* from [logs] l with(nolock) inner join [entity_timeline] et with(nolock) on et.log_id = l.id"); exportDB.BulkCopy(dtSrcData, tableName.ToLower()); } else if (tableName.ToLower() == "entity") { DataTable dtSrcData = db.ExecuteDataTable("select * from [" + tableName + "] with(nolock)"); exportDB.BulkCopy(dtSrcData, tableName.ToLower()); } else { DataTable dtSrcData = db.ExecuteDataTable("select * from [" + tableName + "] with(nolock)"); exportDB.BulkCopy(dtSrcData, tableName.ToLower()); } } catch (Exception ex) { bkpLog.AppendLine("Erro copiando dados da tabela '" + tableName + "': " + ex.Message); TextLog.Log("Backup", "\tErro copiando dados da tabela '" + tableName + "': " + ex.Message); //throw ex; } } //No final de todo o processo atualiza as senhas como cleartext try { bkpLog.AppendLine("Atualizando as senhas das entidades"); DataTable dtEnt = db.ExecuteDataTable("select id from [enterprise] with(nolock)"); foreach (DataRow drEnt in dtEnt.Rows) { using (EnterpriseKeyConfig sk = new EnterpriseKeyConfig(db.Connection, (Int64)drEnt["id"])) { DataTable dtSrcData = db.ExecuteDataTable("select e.id, e.password, c.enterprise_id from [entity] e with(nolock) inner join [context] c with(nolock) on e.context_id = c.id where c.enterprise_id = " + drEnt["id"]); //Atualiza senha em clear text de cada usu[ario foreach (DataRow drUser in dtSrcData.Rows) { try { using (CryptApi cApi = CryptApi.ParsePackage(sk.ServerPKCS12Cert, Convert.FromBase64String(drUser["password"].ToString()))) { exportDB.ExecuteNonQuery("update entity set password = '******' where id = " + drUser["id"]); } } catch (Exception ex) { bkpLog.AppendLine("Erro decriptografando a senha da entidade '" + drUser["id"] + "': " + ex.Message); TextLog.Log("Backup", "\tErro decriptografando a senha da entidade '" + drUser["id"] + "': " + ex.Message); //throw ex; } } } } } catch (Exception ex) { bkpLog.AppendLine("Erro atualizando as senhas para cleartext: " + ex.Message); TextLog.Log("Backup", "\tErro atualizando as senhas para cleartext: " + ex.Message); //throw ex; } } db.AddUserLog(LogKey.Backup, DateTime.Now, "Backup", UserLogLevel.Info, 0, 0, 0, 0, 0, 0, 0, "Backup realizado com sucesso", bkpLog.ToString()); } catch (Exception ex) { TextLog.Log("Backup", "\tError building backup: " + ex.Message); bkpLog.AppendLine("Error building backup: " + ex.Message); try { db.AddUserLog(LogKey.Backup, DateTime.Now, "Backup", UserLogLevel.Error, 0, 0, 0, 0, 0, 0, 0, "Backup finalizado com erro", bkpLog.ToString()); } catch { } } finally { if (bkpLog != null) { bkpLog = null; } if (db != null) { db.Dispose(); } } }