public async Task GetHashOfEmptyAsync()
{
var hashF = new XXHash64();
var hashing = new HashingService(hashF);
var stream = new MemoryStream(new byte[] { });
var hash = await hashing.GetFileHash(stream, CancellationToken.None);
hash.Should().Be(hashF.HashOfEmpty);
}
private static void AddCheck(this CommandLineApplication app)
{
app.Command("check", command =>
{
command.Description =
"Checks that every file in the folder is named as its hash and deletes if it's not";
command.HelpOption("-?|-h|--help");
var pathArg = command.Argument("[path]", "Path to folder to check");
command.OnExecute(async() =>
{
var pathStr = pathArg.Value ?? "./hashed";
var path = Path.Combine(Directory.GetCurrentDirectory(), pathStr);
var hashing = new HashingService(new XXHash64());
foreach (var file in hashing.GetFiles(new DirectoryInfo(path)).OrderBy(f => f.Length))
{
if (file.Length <= 0)
{
file.Delete();
continue;
}
var size = file.Length.Bytes();
var hashFromName = Path.GetFileNameWithoutExtension(file.FullName);
Console.Write($"{size.Humanize("#").PadLeft(10)}: {hashFromName} | ");
HashValue hash;
using (var src = file.OpenRead())
{
var start = DateTime.Now;
hash = await hashing.GetFileHash(src, CancellationToken.None);
var speed = size.Per(DateTime.Now - start);
Console.Write($"{hash} | {speed.Humanize("#").PadLeft(10)} | ");
}
if (hash.ToString() != hashFromName)
{
Console.Write("DELETE");
file.Delete();
}
Console.WriteLine();
}
return(0);
});
});
}
private static void AddColCheck(this CommandLineApplication app)
{
app.Command("collcheck", command =>
{
command.Description = "Checks files for collisions";
command.HelpOption("-?|-h|--help");
var pathArg = command.Argument("[path]", "Path to folder");
command.OnExecute(() =>
{
var pathStr = pathArg.Value ?? ".";
var path = Path.Combine(Directory.GetCurrentDirectory(), pathStr);
IHashFunction xxhash = new XXHash64();
var hashing = new HashingService(xxhash);
hashing.GetFiles(new DirectoryInfo(path))
.Select(f =>
{
var hash = hashing.GetFileHash(f, CancellationToken.None).GetAwaiter().GetResult();
Console.WriteLine($"{hash} {Path.GetRelativePath(path, f.FullName)}");
return(new { f, hash });
})
.GroupBy(a => a.hash.ToString())
.Where(g => g.Count() > 1)
.ForEach(g =>
{
Console.WriteLine(g.Key);
foreach (var i in g)
{
Console.WriteLine($" {i.f.FullName}");
}
Console.WriteLine();
});
Console.WriteLine("Done.");
return(0);
});
});
}
private static void AddImport(this CommandLineApplication app)
{
app.Command("import", command =>
{
command.Description = "Copies every file in the folder and renames it to its hash";
command.HelpOption("-?|-h|--help");
var pathArg = command.Argument("[path]", "Path to folder to look for files in");
var pathDestArg = command.Argument("[dest path]", "Path in which to copy the files");
command.OnExecute(async() =>
{
var pathStr = pathArg.Value ?? ".";
var pathDestStr = pathDestArg.Value ?? "./hashed";
var path = Path.Combine(Directory.GetCurrentDirectory(), pathStr);
var pathDest = Path.Combine(Directory.GetCurrentDirectory(), pathDestStr);
var hashing = new HashingService(new XXHash64());
foreach (var file in hashing.GetFiles(new DirectoryInfo(path)))
{
if (file.Length <= 0)
{
continue;
}
var size = file.Length.Bytes();
Console.Write($"{size.Humanize("#").PadLeft(10)}: ");
using (var src = file.OpenRead())
{
var start = DateTime.Now;
var hash = await hashing.GetFileHash(src, CancellationToken.None);
var filehash = new FileWithHash(file, hash);
var speed = size.Per(DateTime.Now - start);
Console.Write($"{hash} {speed.Humanize("#").PadLeft(10)}(hash) | ");
var fileDest = Path.Combine(pathDest, filehash.Hash.ToString());
try
{
if (new FileInfo(fileDest).Exists)
{
Console.Write($" | {file.FullName}");
}
else
{
using (var dest = new FileStream(fileDest, FileMode.Create, FileAccess.Write))
{
start = DateTime.Now;
src.Position = 0;
await src.CopyToAsync(dest);
Console.Write(
$"{size.Per(DateTime.Now - start).Humanize("#").PadLeft(10)}(copy) | {file.FullName}");
}
}
}
catch (IOException ex)
{
Console.WriteLine();
Console.WriteLine(ex.ToString());
}
}
Console.WriteLine();
}
return(0);
});
});
}