public static ConstantAlertModel retrieveSingleConstantAlertInfo(String Filepath)
{
ConstantAlertModel fm = new ConstantAlertModel();
string cs = ConfigurationManager.ConnectionStrings["FileDB"].ConnectionString.ToString();
SqlConnection conn = new SqlConnection(cs);
String SqlCommand = "SELECT * FROM ConstantAlert WHERE Filepath = \'" + Filepath + "\'";
SqlCommand cmd = new SqlCommand(SqlCommand, conn);
using (conn)
{
conn.Open();
SqlDataReader rdr = cmd.ExecuteReader();
while (rdr.Read())
{
fm.Filepath = CleaningInput.RemoveWhiteSpaces(rdr["Filepath"].ToString());
fm.Email = CleaningInput.RemoveWhiteSpaces(rdr["Email"].ToString());
fm.Password = CleaningInput.RemoveWhiteSpaces(rdr["Password"].ToString());
fm.MD5Hash = CleaningInput.RemoveWhiteSpaces(rdr["MD5Hash"].ToString());
fm.SHA256Hash = CleaningInput.RemoveWhiteSpaces(rdr["SHA256Hash"].ToString());
fm.SHA512Hash = CleaningInput.RemoveWhiteSpaces(rdr["SHA512Hash"].ToString());
}
conn.Close();
}
return(fm);
}
private void btnSelectFile_Click(object sender, EventArgs e)
{
try
{
DialogResult result = openFileDialog1.ShowDialog();
if (result == DialogResult.OK)
{
filepath = openFileDialog1.FileName;
if (DBCalls.checkConstantAlertExists(filepath) == true)
{
tbFilename.Text = filepath;
ConstantAlertModel ca = DBCalls.retrieveSingleConstantAlertInfo(filepath);
DataTable dt = new DataTable();
dt.Columns.Add("Hash Types");
dt.Columns.Add("Hash Values");
dt.Rows.Add("MD5", ca.MD5Hash);
dt.Rows.Add("SHA256", ca.SHA256Hash);
dt.Rows.Add("SHA512", ca.SHA512Hash);
tbEmail.Text = ca.Email;
tbPassword.Text = ca.Password;
Email = ca.Email;
Password = ca.Password;
dataGridView1.DataSource = dt;
}
else
{
String filename = openFileDialog1.FileName;
tbFilename.Text = filename;
filepath = filename;
MD5Hash = Hashing.MD5Hash(filename);
SHA256Hash = Hashing.SHA256Hash(filename);
SHA512Hash = Hashing.SHA512Hash(filename);
DataTable dt = new DataTable();
dt.Columns.Add("Hash Types");
dt.Columns.Add("Hash Values");
dt.Rows.Add("MD5", MD5Hash);
dt.Rows.Add("SHA256", SHA256Hash);
dt.Rows.Add("SHA512", SHA512Hash);
dataGridView1.DataSource = dt;
}
}
}
catch (Exception err)
{
Console.WriteLine(err);
}
}
private void timer1_Tick(object sender, EventArgs e)
{
//retrieve original file stuff
ConstantAlertModel ca = DBCalls.retrieveSingleConstantAlertInfo(filepath);
MD5Hash = Hashing.MD5Hash(filepath);
SHA256Hash = Hashing.SHA256Hash(filepath);
SHA512Hash = Hashing.SHA512Hash(filepath);
DataTable dt = new DataTable();
dt.Columns.Add("Hash Types");
dt.Columns.Add("Hash Values");
dt.Rows.Add("MD5", MD5Hash);
dt.Rows.Add("SHA256", SHA256Hash);
dt.Rows.Add("SHA512", SHA512Hash);
dataGridView2.DataSource = dt;
btnStart.Text = "Start";
hasStarted = false;
if (MD5Hash != ca.MD5Hash || SHA256Hash != ca.SHA256Hash || SHA512Hash != ca.SHA512Hash)
{
//never set email alert
if (String.IsNullOrEmpty(Email) || String.IsNullOrWhiteSpace(Email) || String.IsNullOrEmpty(Password) || String.IsNullOrWhiteSpace(Password))
{
timer1.Stop();
tbModifiedStats.Text = "File Has Been Modified!";
MessageBox.Show("File Has Been Modified!");
}
//got set email alert
else
{
timer1.Stop();
MessageBox.Show("File Has Been Modified!");
tbModifiedStats.Text = "File Has Been Modified!";
string[] temp = Email.Split('@');
SmtpClient smtpClient = new SmtpClient();
if (temp[1].Contains("gmail"))
{
smtpClient = new SmtpClient("smtp.gmail.com");
}
else if (temp[1].Contains("yahoo"))
{
smtpClient = new SmtpClient("smtp.mail.yahoo.com");
}
else
{
smtpClient = new SmtpClient("smtp.live.com");
}
//most mail like gmail requires ssl to be enabled to send emails else it would fail
smtpClient.EnableSsl = true;
// set smtp-client with basicAuthentication
smtpClient.UseDefaultCredentials = false;
//set the credentials to login to the email, like the username and password
//put in the email and password of your admin email
System.Net.NetworkCredential basicAuthenticationInfo = new
System.Net.NetworkCredential("", "");
smtpClient.Credentials = basicAuthenticationInfo;
//add the to and from addresses
//set in the admin email again
MailAddress from = new MailAddress("");
MailAddress to = new MailAddress(Email);
MailMessage mail = new System.Net.Mail.MailMessage(from, to);
/*// add ReplyTo only if needed
* MailAddress replyTo = new MailAddress(sender);
* mail.ReplyToList.Add(replyTo);
*/
// set subject and encoding type
mail.Subject = "Contents to " + filepath + " was changed!";
mail.SubjectEncoding = System.Text.Encoding.UTF8;
String shortName = filepath.Split('\\')[filepath.Split('\\').Length - 1];
int indexOfShortName = filepath.IndexOf(shortName);
// set message and encoding type
mail.Body = "The hash value for this file differs from the original hash value recorded Info are as follows";
mail.Body += "File Path: " + filepath + "\n\n";
mail.Body += "The Previous MD5 Hash was: " + ca.MD5Hash + "\n\n";
mail.Body += "The New MD5 Hash is: " + MD5Hash + "\n\n";
mail.Body += "The Previous SHA256 Hash was: " + ca.SHA256Hash + "\n\n";
mail.Body += "The New SHA256 Hash is: " + SHA256Hash + "\n\n";
mail.Body += "The Previous SHA512 Hash was: " + ca.SHA512Hash + "\n\n";
mail.Body += "The New SHA512 Hash is: " + SHA512Hash + "\n\n";
mail.BodyEncoding = System.Text.Encoding.UTF8;
// if pure text set to false if html codes are involved set to true
mail.IsBodyHtml = false;
smtpClient.Send(mail);
}
}
}
