public static void Run()
{
bool flag = true;
while (flag)
{
Console.WriteLine("Select an action!");
Console.WriteLine();
Console.WriteLine("Press one to read the file hash");
Console.WriteLine("Press two to save hash to file");
Console.WriteLine("Press three to compare with the saved file hash");
Console.WriteLine();
Console.WriteLine("To exit from the program, press zero.");
try
{
int value = Convert.ToInt32(Console.ReadLine());
switch (value)
{
case 1:
Console.WriteLine("Please enter the file path!");
string filePathRead = Console.ReadLine();
ReadHash.ReadFileHash(filePathRead);
Console.WriteLine(new string('-', 70));
break;
case 2:
Console.WriteLine("Please enter the file path!");
string filePathWrite = Console.ReadLine();
WriteHash.WriteHashFile(filePathWrite);
Console.WriteLine(new string('-', 70));
break;
case 3:
Console.WriteLine("Please enter the file path!");
string filePathCompare = Console.ReadLine();
HashComparison.Comparison(filePathCompare);
Console.WriteLine(new string('-', 70));
break;
case 0:
flag = false;
break;
}
}
catch
{
Console.WriteLine("You have entered a wrong value. Please try again!");
Console.WriteLine(new string('-', 70));
Console.WriteLine();
}
}
}
public static string WriteHashFile(string filePath)
{
var fileInfo = new FileInfo(filePath);
if (fileInfo.Exists)
{
string hashvalue = ReadHash.ReadFileHash(filePath);
FileStream fileStream = fileInfo.Open(FileMode.OpenOrCreate);
var fileHash = new FileStream(pathToHash, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.ReadWrite);
var write = new StreamWriter(fileHash);
write.Write(hashvalue);
write.Close();
fileStream.Close();
Console.WriteLine($"Open file {fileInfo.FullName} and save hash in file {new FileInfo(pathToHash).FullName}");
return(hashvalue);
}
else
{
return("Wrong file path !!!");
}
}
public static void Comparison(string filePath)
{
string fileHashValue = ReadHash.ReadFileHash(filePath);
string saveFileHashValue = ReadSaveHash.ReadHash();
if (saveFileHashValue != null)
{
bool result = Equals(fileHashValue, saveFileHashValue);
switch (result)
{
case true:
Console.WriteLine("Hashes are equal!");
break;
case false:
Console.WriteLine("Hashes are not equal!");
break;
}
}
else
{
Console.WriteLine("write file hash and try again!!!");
}
}