public async Task Returns_400_Bad_Request_If_Upload_Checksum_Header_Is_Unparsable(string methodToUse)
{
var store = Substitute.For <ITusStore, ITusCreationStore, ITusChecksumStore>();
ITusChecksumStore cstore = null;
using (var server = TestServerFactory.Create(app =>
{
// ReSharper disable once SuspiciousTypeConversion.Global
cstore = (ITusChecksumStore)store;
cstore.GetSupportedAlgorithmsAsync(CancellationToken.None).ReturnsForAnyArgs(new[] { "md5" });
store.FileExistAsync("checksum", CancellationToken.None).ReturnsForAnyArgs(true);
store.GetUploadOffsetAsync("checksum", Arg.Any <CancellationToken>()).Returns(5);
store.GetUploadLengthAsync("checksum", Arg.Any <CancellationToken>()).Returns(10);
store.AppendDataAsync("checksum", Arg.Any <Stream>(), Arg.Any <CancellationToken>()).Returns(5);
app.UseTus(request => new DefaultTusConfiguration
{
Store = store,
UrlPath = "/files"
});
}))
{
// ReSharper disable once LoopCanBePartlyConvertedToQuery - Only applies to netstandard
foreach (var unparsables in new[] { "Kq5sNclPz7QV2+lfQIuc6R7oRu0=", "sha1 ", "", "sha1 Kq5sNclPz7QV2+lfQIuc6R7oRu0" })
{
#if netstandard
// ASP.NET Core ignores empty headers so there is no way of knowing if the header was sent empty
// or if the header is simply absent
if (unparsables?.Length == 0)
{
continue;
}
#endif
var response = await server
.CreateRequest("/files/checksum")
.And(m => m.AddBody())
.AddTusResumableHeader()
.AddHeader("Upload-Offset", "5")
.AddHeader("Upload-Checksum", unparsables)
.OverrideHttpMethodIfNeeded("PATCH", methodToUse)
.SendAsync(methodToUse);
await response.ShouldBeErrorResponse(HttpStatusCode.BadRequest,
"Could not parse Upload-Checksum header");
response.ShouldContainTusResumableHeader();
}
#pragma warning disable 4014
store.DidNotReceive().FileExistAsync("checksum", Arg.Any <CancellationToken>());
store.DidNotReceive().GetUploadOffsetAsync("checksum", Arg.Any <CancellationToken>());
//store.DidNotReceive().GetUploadLengthAsync("checksum", Arg.Any<CancellationToken>());
store.DidNotReceive().AppendDataAsync("checksum", Arg.Any <Stream>(), Arg.Any <CancellationToken>());
cstore.DidNotReceive().GetSupportedAlgorithmsAsync(Arg.Any <CancellationToken>());
#pragma warning restore 4014
}
}
public override async Task Validate(ContextAdapter context)
{
ITusChecksumStore checksumStore = context.Configuration.Store as ITusChecksumStore;
var providedChecksum = GetProvidedChecksum(context);
if (checksumStore != null && providedChecksum != null)
{
if (!providedChecksum.IsValid)
{
await BadRequest($"Could not parse {HeaderConstants.UploadChecksum} header");
return;
}
var checksumAlgorithms = (await checksumStore.GetSupportedAlgorithmsAsync(context.CancellationToken)).ToList();
if (!checksumAlgorithms.Contains(providedChecksum.Algorithm))
{
await BadRequest(
$"Unsupported checksum algorithm. Supported algorithms are: {string.Join(",", checksumAlgorithms)}");
}
}
}