public async Task <IActionResult> OnPostAsync(Guid id, CancellationToken cancellationToken)
{
EnsureArg.IsNotEmpty(id, nameof(id));
var f = await this.fileService.GetPostFile(id, cancellationToken);
return(await f.Match(async some =>
{
var hash = ImageHasher.Hash(some.Data);
await fileService.BanImage(hash, Reason, cancellationToken);
return this.RedirectToPage <IndexModel>().ToIAR();
}, () => this.NotFound().ToIART()));
}
/// <summary>
/// CONSTRUCTOR
/// </summary>
/// <param name="PathToOriginal"></param>
public ReportImage(string PathToOriginal, ReportImageStateEnum reportsSupported)
{
this.PathToOriginal = PathToOriginal;
this.ImageReportState = reportsSupported;
if (filePaths.ContainsKey(PathToOriginal))
{
OriginalHash = filePaths[PathToOriginal];
}
else
{
byte[] bytes = File.ReadAllBytes(PathToOriginal);
OriginalHash = ImageHasher.Hash(bytes);
filePaths.Add(PathToOriginal, OriginalHash);
}
}
Task <ResType> IValidateImage.ValidateAsync(Option <byte[]> data)
{
return(data.Match(async some =>
{
if (some.Length > ImageMaxSize)
{
return (ResType) new SizeExceeded(ImageMaxSize);
}
var hash = ImageHasher.Hash(some);
if (await this.bannedImages.IsBanned(hash, CancellationToken.None))
{
return new BannedImage();
}
return new Pass();
}, () => Task.FromResult <ResType>(new Pass())));
}