public async Task <IActionResult> RequestAvatarDownloadUrl(
[FromRoute(Name = "id")] long avatarId,
[FromServices] IAvatarEntryRepository avatarEntryRepository,
[FromServices] IStorageUrlBuilder urlBuilder,
[FromServices] IContentDownloadAuthroizationValidator downloadAuthorizer)
{
if (avatarEntryRepository == null)
{
throw new ArgumentNullException(nameof(avatarEntryRepository));
}
//TODO: We want to rate limit access to this API
//TODO: We should use both app logging but also another logging service that always gets hit
//TODO: Consolidate this shared logic between controllers
if (Logger.IsEnabled(LogLevel.Information))
{
Logger.LogInformation($"Recieved {nameof(RequestAvatarDownloadUrl)} request from {ClaimsReader.GetUserName(User)}:{ClaimsReader.GetUserId(User)}.");
}
//TODO: We should probably check the flags of world to see if it's private (IE hidden from user). Or if it's unlisted or removed.
//It's possible a user is requesting a world that doesn't exist
//Could be malicious or it could have been deleted for whatever reason
if (!await avatarEntryRepository.ContainsAsync(avatarId).ConfigureAwait(false))
{
return(Json(new ContentDownloadURLResponse(ContentDownloadURLResponseCode.NoContentId)));
}
//TODO: Refactor this into a validation dependency
//Now we need to do some validation to determine if they should even be downloading this world
//we do not want people downloading a world they have no business of going to
int userId = ClaimsReader.GetUserIdInt(User);
if (!await downloadAuthorizer.CanUserAccessWorldContet(userId, avatarId))
{
return(Json(new ContentDownloadURLResponse(ContentDownloadURLResponseCode.AuthorizationFailed)));
}
//We can get the URL from the urlbuilder if we provide the world storage GUID
string downloadUrl = await urlBuilder.BuildRetrivalUrl(UserContentType.Avatar, (await avatarEntryRepository.RetrieveAsync(avatarId)).StorageGuid);
//TODO: Should we be validating S3 availability?
if (String.IsNullOrEmpty(downloadUrl))
{
if (Logger.IsEnabled(LogLevel.Error))
{
Logger.LogError($"Failed to create avatar upload URL for {ClaimsReader.GetUserName(User)}:{ClaimsReader.GetUserId(User)} with ID: {avatarId}.");
}
return(Json(new ContentDownloadURLResponse(ContentDownloadURLResponseCode.ContentDownloadServiceUnavailable)));
}
if (Logger.IsEnabled(LogLevel.Information))
{
Logger.LogInformation($"Success. Sending {ClaimsReader.GetUserName(User)} URL: {downloadUrl}");
}
return(Json(new ContentDownloadURLResponse(downloadUrl)));
}
public async Task <IActionResult> SetAvatarAsUploaded([FromRoute(Name = "id")] long worldId,
[FromServices] IAvatarEntryRepository avatarEntryRepository,
[FromServices] IContentResourceExistenceVerifier contentExistenceVerifier)
{
//At this point, the user is telling us they finished uploading the world.
//They could be lying so we should check that the resource exists AND
//we should also check that it's an asset bundle and gather some information from the header.
//First we verify a world exists with this id
if (!await avatarEntryRepository.ContainsAsync(worldId).ConfigureAwaitFalse())
{
//TODO: We should say something more specific
return(BadRequest());
}
AvatarEntryModel model = await avatarEntryRepository.RetrieveAsync(worldId)
.ConfigureAwaitFalse();
//Check the model is associated with this account. Only 1 account can own a world resource
if (model.AccountId != ClaimsReader.GetAccountIdInt(User))
{
return(Unauthorized());
}
//Now that we know the world is in the database and the account making this authorized requests owns it
//we can now actually check that the resource exists on the storeage system
//TODO: This relies on some outdated API/deprecated stuff.
bool resourceExists = await contentExistenceVerifier.VerifyResourceExists(UserContentType.Avatar, model.StorageGuid)
.ConfigureAwaitFalse(); //TODO: Don't hardcore bucket name
//TODO: Be more descriptive
if (!resourceExists)
{
return(NotFound());
}
//Ok, so the user IS the resource owner AND he did upload something, so let's validate the assetbundle header.
//TODO: Refactor this into an object that does the validation and generates readable data
//TODO: Actually implement asset bundle validation
//We haven't implemented this yet, we should do asset bundle parsing and validation
//This REALLY important to prevent invalid bundles from being uploaded
//or content that isn't even an asset bundle being uploaded
//See: https://github.com/HearthSim/UnityPack/wiki/Format-Documentation
//For now, since it's unimplemented let's just set it validated
await avatarEntryRepository.SetWorldValidated(model.AvatarId)
.ConfigureAwaitFalseVoid();
return(Ok());
}