public async Task <IActionResult> Index(StudentRegistrationModel vm)
{
if (!ModelState.IsValid)
{
return(View(vm));
}
try
{
var result = await this.ApiPostAsync(apiPostStudentUri, vm, "StudentApiClient");
if (!result.IsSuccessStatusCode)
{
ViewBag.Name = "Unable to Save At the Moment";
return(View(vm));
}
else
{
ViewBag.Status = $"The student name { vm.StudentName } is record created! ";
RedirectToAction("studentlist", "student");
// return View(vm);
}
}
catch (Exception ex)
{
LogSecurity.Warning("Exception on StudentRegistration Post : ", ex.InnerException.ToString());
//return View(vm);
}
return(View(vm));
//RedirectToAction("studentlist", "student");
}
public static string Encrypt(string text, string sKey)
{
var des = new DESCryptoServiceProvider();
var inputByteArray = Encoding.Default.GetBytes(text);
des.Key = Encoding.ASCII.GetBytes(LogSecurity.GetMD5(sKey).Substring(0, 8));
des.IV = Encoding.ASCII.GetBytes(LogSecurity.GetMD5(sKey).Substring(0, 8));
var ms = new System.IO.MemoryStream();
var cs = new CryptoStream(ms, des.CreateEncryptor(), CryptoStreamMode.Write);
cs.Write(inputByteArray, 0, inputByteArray.Length);
cs.FlushFinalBlock();
var ret = new StringBuilder();
foreach (var b in ms.ToArray())
{
ret.AppendFormat("{0:X2}", b);
}
return(ret.ToString());
}
public static string Decrypt(string text, string sKey)
{
var des = new DESCryptoServiceProvider();
var len = text.Length / 2;
var inputByteArray = new byte[len];
int x;
for (x = 0; x < len; x++)
{
var i = Convert.ToInt32(text.Substring(x * 2, 2), 16);
inputByteArray[x] = (byte)i;
}
des.Key = Encoding.ASCII.GetBytes(LogSecurity.GetMD5(sKey).Substring(0, 8));
des.IV = Encoding.ASCII.GetBytes(LogSecurity.GetMD5(sKey).Substring(0, 8));
var ms = new System.IO.MemoryStream();
var cs = new CryptoStream(ms, des.CreateDecryptor(), CryptoStreamMode.Write);
cs.Write(inputByteArray, 0, inputByteArray.Length);
cs.FlushFinalBlock();
return(Encoding.Default.GetString(ms.ToArray()));
}
public async Task <IActionResult> CreateStudent(StudentRegistrationModel vm)
{
Log.Information("Authenticated user making student/secretcreatestudent API call.");
ResponseModel <StudentRegistrationModel> response;
if (ModelState.IsValid)
{
response = await _studentModelService.CreateStudent(vm);
if (response.ReturnStatus == true)
{
return(Ok(response));
}
else
{
LogSecurity.Warning("Unauthorized access attempted Create {student}", vm.StudentName);
return(BadRequest(response));
}
}
return(BadRequest(vm));
}
public static void ToLogdel(this DataTable table, string filePath, LogSecurity security = LogSecurity.Unprotected)
{
try
{
//null values cannot be processed
if (table == null)
{
return;
}
//store all characters here
var sw = new StringWriter();
//headers
sw.Write("###");
for (var i = 0; i < table.Columns.Count; i++)
{
sw.Write(table.Columns[i]);
if (i < table.Columns.Count - 1)
{
sw.Write("!");
}
}
sw.Write(sw.NewLine);
foreach (DataRow dr in table.Rows)
{
for (var i = 0; i < table.Columns.Count; i++)
{
if (!Convert.IsDBNull(dr[i]))
{
var value = dr[i].ToString().CleanLogDel();
sw.Write(value);
}
if (i < table.Columns.Count - 1)
{
sw.Write("!");
}
}
sw.Write(sw.NewLine);
}
sw.Close();
var contentToWrite = sw.ToString();
//check if the content needs to be protected with DPAPI
if (security == LogSecurity.Protected)
{
//encrypt the log
var provider = new ProtectedString(contentToWrite, ProtectionMode.Encrypt);
//replace the plainText contents with the new encrypted contents
contentToWrite = provider.ProcessedValue;
}
//finalise the log file
File.WriteAllText(filePath, contentToWrite);
}
catch (Exception) //catch all exceptions
{
//ignore it
}
}
