protected void btnExamLMS_ServerClick(object sender, EventArgs e)
{
//rwm_message.RadAlert("سامانه در حال آماده سازی میباشد.", null, 100, "پیام", "");
//return;
bool linkIsActive;
if (ConfigurationManager.AppSettings["ExamLinkActive"] == null ||
string.IsNullOrEmpty(ConfigurationManager.AppSettings["ExamLinkActive"].ToString()) ||
!bool.TryParse(ConfigurationManager.AppSettings["ExamLinkActive"].ToString(), out linkIsActive) ||
!linkIsActive)
{
rwm_message.RadAlert("لطفا در زمان مقرر مراجعه فرمایید", null, 100, "پیام", "");
}
else
{
ExamBusiness ExamBusiness = new ExamBusiness();
SHA256 mySHA256 = SHA256Managed.Create();
var profInfo = ExamBusiness.GetProfessorInfoByProfessorCode(Session[sessionNames.userID_StudentOstad].ToString());
if (profInfo.Rows.Count > 0)
{
var key = mySHA256.ComputeHash(Encoding.ASCII.GetBytes(ConfigurationManager.AppSettings["ExamLinkKey"].ToString()));
var IV = string.IsNullOrEmpty(ConfigurationManager.AppSettings["ExamLinkIV"].ToString()) ?
new byte[16] {
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0
} : Encoding.ASCII.GetBytes(ConfigurationManager.AppSettings["ExamLinkIV"].ToString());
var url = ConfigurationManager.AppSettings["ExamLink"].ToString();
var token = EncryptionClass.EncryptAES256(Session[sessionNames.userID_StudentOstad].ToString() + ";" + profInfo.Rows[0]["idd_meli"].ToString() + ";" + DateTime.UtcNow.ToString("yyyy-MM-dd HH:mm:ss"), key, IV);
var script = "var form = document.createElement('form'); form.setAttribute('style', 'display: none;'); var tokenField = document.createElement('input'); form.method = 'POST'; form.action = '" + url + "';";
script += "tokenField.value='" + token + "'; tokenField.name='token'; form.appendChild(tokenField); document.body.appendChild(form); form.submit();";
ScriptManager.RegisterStartupScript(this, GetType(), "submitform", script, true);
}
}
}