protected override bool Unbind(ServiceCredentials credentials)
{
if (credentials == null)
{
return(false);
}
Logger.Debug(Strings.SqlNodeUnbindServiceDebugMessage, credentials.SerializeToJson());
string user = credentials.User;
string databaseName = credentials.Name;
using (SqlConnection databaseConnection = new SqlConnection(this.ConnectionString))
{
databaseConnection.Open();
databaseConnection.ChangeDatabase(databaseName);
using (SqlCommand cmdUserExists = new SqlCommand(string.Format(CultureInfo.InvariantCulture, "select count(*) from sys.sysusers where name=N'{0}'", user), databaseConnection))
{
int userCount = (int)cmdUserExists.ExecuteScalar();
if (userCount != 1)
{
throw new MSSqlErrorException(MSSqlErrorException.MSSqlCredentialsNotFound, user);
}
}
}
this.DeleteDatabaseUser(user);
return(true);
}
/// <summary>
/// Binds a SQL Server database to an app.
/// </summary>
/// <param name="name">The name of the service.</param>
/// <param name="bindOptions">Binding options.</param>
/// <param name="credentials">Already existing credentials.</param>
/// <returns>
/// A new set of credentials used for binding.
/// </returns>
protected override ServiceCredentials Bind(string name, Dictionary <string, object> bindOptions, ServiceCredentials credentials)
{
Logger.Debug(Strings.SqlNodeBindServiceDebugMessage, name, JsonConvertibleObject.SerializeToJson(bindOptions));
Dictionary <string, object> binding = null;
try
{
ProvisionedService service = ProvisionedService.GetService(name);
if (service == null)
{
throw new MSSqlErrorException(MSSqlErrorException.MSSqlConfigNotFound, name);
}
// create new credential for binding
binding = new Dictionary <string, object>();
if (credentials != null)
{
binding["user"] = credentials.User;
binding["password"] = credentials.Password;
}
else
{
binding["user"] = "******" + Credentials.GenerateCredential();
binding["password"] = "******" + Credentials.GenerateCredential();
}
binding["bind_opts"] = bindOptions;
this.CreateDatabaseUser(name, binding["user"] as string, binding["password"] as string);
ServiceCredentials response = this.GenerateCredential(name, binding["user"] as string, binding["password"] as string);
Logger.Debug(Strings.SqlNodeBindResponseDebugMessage, response.SerializeToJson());
this.bindingServed += 1;
return(response);
}
catch (Exception)
{
if (binding != null)
{
this.DeleteDatabaseUser(binding["user"] as string);
}
throw;
}
}
