public async Task <IActionResult> GetFilesAsync(string repository, string digest, string targets)
{
if (string.IsNullOrEmpty(digest))
{
return(BadRequest("An image digest is required."));
}
if (!digest.IsDigest())
{
return(BadRequest("Digest appears invalid."));
}
try
{
if (string.IsNullOrEmpty(RegistryCredentials.Registry))
{
return(BadRequest("Session is missing registry information. Try creating a new session."));
}
var targetList = string.IsNullOrEmpty(targets) ? Array.Empty <string>() : targets.Split(';');
var client = clientFactory.GetClient(AuthHandler);
var imageSet = await client.GetImageSetAsync(repository, digest);
if (imageSet.Images.Count() != 1)
{
return(NotFound("No image was found with the given digest."));
}
// if we have a complete index, return it
if (indexStore.IndexExists(digest))
{
return(Ok(indexStore.GetIndex(digest)));
}
// otherwise, if they've requested a targeted index, look for that
else if (indexStore.IndexExists(digest, targetList))
{
return(Ok(indexStore.GetIndex(digest, targetList)));
}
// no dice, queue an indexing request
else
{
var request = new IndexRequest
{
Authorization = Request.Headers["Authorization"],
CreatedTime = DateTime.UtcNow,
TargetRepo = repository,
TargetDigest = digest,
TargetPaths = targetList
};
if (!indexQueue.Contains(request))
{
indexQueue.Push(request);
}
return(StatusCode(202, new { Status = RequestStatus.Pending }));
}
}
catch (RedisConnectionException)
{
return(StatusCode(503, "Cannot access cache"));
}
catch (Client.NotFoundException)
{
return(NotFound());
}
catch (Client.AuthenticationException)
{
return(Unauthorized());
}
}