public ValidationResult ValidateInput()
{
if (!string.IsNullOrWhiteSpace(FileHash))
{
if (!Hash.TryParse(FileHash, out var hash))
{
return(new ValidationResult(Tx.T("TasksCommon:Utilities.FileSource.Errors.InvalidFileHash"), nameof(FileHash).Yield()));
}
using (var hashAlgorithm = HashAlgorithm.CreateHashAlgorithm())
{
if (hash.HashData.Length != hashAlgorithm.HashSize / 8)
{
return(new ValidationResult(
Tx.T("TasksCommon:Utilities.FileSource.Errors.InvalidHashSize", "algorithm", HashAlgorithm.ToString(), "expected",
hashAlgorithm.HashSize.ToString(), "current", (FileHash.Length * 8).ToString()), nameof(FileHash).Yield()));
}
}
}
if (string.IsNullOrWhiteSpace(LocalPath) && string.IsNullOrWhiteSpace(Url))
{
return(new ValidationResult(Tx.T("TasksCommon:Utilities.FileSource.Errors.NoFileSourceSelected"), new [] { nameof(Url), nameof(LocalPath) }));
}
if (!string.IsNullOrWhiteSpace(LocalPath) && !string.IsNullOrWhiteSpace(Url))
{
return(new ValidationResult(Tx.T("TasksCommon:Utilities.FileSource.Errors.OnlyOneSourceAllowed"), new[] { nameof(Url), nameof(LocalPath) }));
}
if (!string.IsNullOrWhiteSpace(LocalPath))
{
if (LocalPath == BinaryPlaceholder)
{
if (_cachedFile != null)
{
return(ValidationResult.Success);
}
return(new ValidationResult(Tx.T("TasksCommon:Utilities.FileSource.Errors.NoCachedFileAvailable"), nameof(LocalPath).Yield()));
}
try
{
if (!File.Exists(LocalPath))
{
return(new ValidationResult(Tx.T("TasksCommon:Utilities.FileSource.Errors.FileDoesNotExist"), nameof(LocalPath).Yield()));
}
}
catch (Exception)
{
return(new ValidationResult(Tx.T("TasksCommon:Utilities.FileSource.Errors.InvalidLocalPath"), nameof(LocalPath).Yield()));
}
return(ValidationResult.Success);
}
if (!string.IsNullOrWhiteSpace(Url))
{
try
{
var uri = new Uri(Url, UriKind.Absolute);
if (!string.Equals(uri.Scheme, "http", StringComparison.OrdinalIgnoreCase) &&
!string.Equals(uri.Scheme, "https", StringComparison.OrdinalIgnoreCase))
{
return(new ValidationResult(Tx.T("TasksCommon:Utilities.FileSource.Errors.UrlNotHttp"), nameof(Url).Yield()));
}
return(ValidationResult.Success);
}
catch (Exception)
{
return(new ValidationResult(Tx.T("TasksCommon:Utilities.FileSource.Errors.InvalidUri"), nameof(Url).Yield()));
}
}
throw new InvalidOperationException();
}
