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();
}
}
}