public void ComputeFileHashTest()
{
var filePath = string.Format("{0}/MGS.Common.xml", Environment.CurrentDirectory);
var hash = MD5CryptoUtility.ComputeFileHash(filePath);
Assert.IsNotNull(hash);
Console.WriteLine(hash);
}
/// <summary>
/// Find the cache file from cache by key.
/// </summary>
/// <param name="key">Key for cache file.</param>
/// <param name="md5Hash">Matching file md5 hash [Do not check md5 hash if the value is null or empty].</param>
/// <returns>The path of cache file from cache by key.</returns>
public string FindFile(string key, string md5Hash)
{
var filePath = ResolveFile(key);
if (File.Exists(filePath))
{
if (string.IsNullOrEmpty(md5Hash))
{
return(filePath);
}
var fileMd5 = MD5CryptoUtility.ComputeFileHash(filePath);
if (fileMd5.Equals(md5Hash))
{
return(filePath);
}
}
return(null);
}