private DbConnector()
{
string connetionString = null;
CredentialsCollection credentials = ReadDbSetting();
byte[] pw;
var password = string.Empty;
foreach (DbCredential cred in credentials.DbCredential)
{
if (cred.ConnectionName.Equals("TenantResolver"))
{
password = Cryptor.Decrypt(cred.Password);
connetionString = string.Format("Data Source={0};Initial Catalog={1};User ID={2};Password={3};", cred.DataSource, cred.Catalog, cred.UserName, password);
try
{
DbConnectionMetaData = new SqlConnection(connetionString);
}
catch (Exception ex)
{
throw ex;
}
}
if (cred.ConnectionName.Equals("AppDB"))
{
pw = Encoding.ASCII.GetBytes(cred.Password);
password = Encoding.ASCII.GetString(pw, 0, pw.Length);
connetionString = string.Format("Data Source={0};Initial Catalog={1};User ID={2};Password={3};", cred.DataSource, cred.Catalog, cred.UserName, password);
try
{
DbConnectionApp = new SqlConnection(connetionString);
}
catch (Exception ex)
{
throw ex;
}
}
}
ReadCommands(); // Read DB Commands from Commands.xml file
}
/// <summary>
/// Read Db Setting
/// </summary>
/// <param name="fileLocation"></param>
/// <returns></returns>
private CredentialsCollection ReadDbSetting()
{
string fileLocation = string.Empty;
var dbSettingFilePath = ConfigurationManager.AppSettings.GetValues("DbSetting");
if (dbSettingFilePath != null)
{
fileLocation = dbSettingFilePath[0].ToString();
}
if (string.IsNullOrEmpty(fileLocation))
{
return(null);
}
CredentialsCollection credentials = null;
XmlSerializer serializer = new XmlSerializer(typeof(CredentialsCollection));
string path = Path.Combine(Environment.CurrentDirectory, fileLocation);
using (StreamReader reader = new StreamReader(path))
{
credentials = (CredentialsCollection)serializer.Deserialize(reader);
}
// If the user credential changed please update the new password in ClearPassword element in the DbSetting file.
// So below logic will encript the new password and allow user to login to DB as it does before.
if (credentials != null && credentials.DbCredential.Any(record => record.ClearPassword != null && record.ClearPassword.Length > 0))
{
using (TextWriter writer = new StreamWriter(path))
{
foreach (DbCredential crdntl in credentials.DbCredential)
{
crdntl.DateGenarated = DateTime.Now;
crdntl.Password = Cryptor.Encrypt(crdntl.ClearPassword);
crdntl.ClearPassword = string.Empty;
}
serializer.Serialize(writer, credentials);
}
}
return(credentials);
}
