private async Task <IUser> GetCurrentUserAsync(WopiRequest wopiRequest, CancellationToken cancellationToken)
{
var tokenValue = wopiRequest.AccessTokenValue;
var contentId = wopiRequest is FilesRequest fileRequest?int.Parse(fileRequest.FileId) : 0;
var token = await AccessTokenVault.GetTokenAsync(tokenValue, contentId, AccessTokenFeatureName, cancellationToken)
.ConfigureAwait(false);
if (token == null)
{
throw new UnauthorizedAccessException(); // 404
}
using (new SystemAccount())
{
if (await Node.LoadNodeAsync(token.UserId, cancellationToken).ConfigureAwait(false) is IUser user)
{
// TODO: This method only sets the User.Current property in sensenet, not the
// main context User in Asp.Net. Check if it would be better if we changed
// or modified the context user earlier in the pipeline.
return(user);
}
}
return(null);
}
internal async Task ProcessRequestAsync(HttpContext context, bool calledFromTest)
{
var wopiRequest = WopiRequest.Parse(context);
// set current user based on the access token
if (!calledFromTest)
{
var user = await GetCurrentUserAsync(wopiRequest, context.RequestAborted).ConfigureAwait(false);
if (user != null)
{
User.Current = user;
}
}
var webResponse = context.Response;
var wopiResponse = await GetResponseAsync(wopiRequest, context.RequestAborted).ConfigureAwait(false);
// Set content type if it is known.
if (!string.IsNullOrEmpty(wopiResponse.ContentType))
{
webResponse.ContentType = wopiResponse.ContentType;
}
// Set response headers.
foreach (var item in wopiResponse.Headers)
{
webResponse.Headers.Add(item.Key, item.Value);
}
// Set HTTP Status code.
webResponse.StatusCode = (int)wopiResponse.StatusCode;
// Write binary content
if (wopiResponse is IWopiBinaryResponse wopiBinaryResponse)
{
//TODO: provide custom binary field name if available
var binaryHandler = new BinaryHandler(context, wopiBinaryResponse.File);
await binaryHandler.ProcessRequestCore().ConfigureAwait(false);
return;
}
// Write JSON body
if (wopiResponse is IWopiObjectResponse)
{
var settings = new JsonSerializerSettings {
Formatting = Formatting.Indented
};
var output = JsonConvert.SerializeObject(wopiResponse, settings);
var buffer = Encoding.UTF8.GetBytes(output);
ResponseLimiter.AssertResponseLength(webResponse, buffer.Length);
await webResponse.Body.WriteAsync(buffer, 0, buffer.Length)
.ConfigureAwait(false);
}
}
internal async Task <WopiResponse> GetResponseAsync(WopiRequest wopiRequest, CancellationToken cancellationToken)
{
switch (wopiRequest.RequestType)
{
case WopiRequestType.CheckFileInfo:
return(await ProcessCheckFileInfoRequestAsync((CheckFileInfoRequest)wopiRequest, cancellationToken)
.ConfigureAwait(false));
case WopiRequestType.GetLock:
return(await ProcessGetLockRequestAsync((GetLockRequest)wopiRequest, cancellationToken)
.ConfigureAwait(false));
case WopiRequestType.Lock:
return(await ProcessLockRequestAsync((LockRequest)wopiRequest, cancellationToken)
.ConfigureAwait(false));
case WopiRequestType.Unlock:
return(await ProcessUnlockRequestAsync((UnlockRequest)wopiRequest, cancellationToken)
.ConfigureAwait(false));
case WopiRequestType.RefreshLock:
return(await ProcessRefreshLockRequestAsync((RefreshLockRequest)wopiRequest, cancellationToken)
.ConfigureAwait(false));
case WopiRequestType.UnlockAndRelock:
return(await ProcessUnlockAndRelockRequestAsync((UnlockAndRelockRequest)wopiRequest, cancellationToken)
.ConfigureAwait(false));
case WopiRequestType.GetFile:
return(await ProcessGetFileRequestAsync((GetFileRequest)wopiRequest, cancellationToken)
.ConfigureAwait(false));
case WopiRequestType.PutFile:
return(await ProcessPutFileRequestAsync((PutFileRequest)wopiRequest, cancellationToken)
.ConfigureAwait(false));
case WopiRequestType.PutRelativeFile:
return(await ProcessPutRelativeFileRequestAsync((PutRelativeFileRequest)wopiRequest, cancellationToken)
.ConfigureAwait(false));
case WopiRequestType.DeleteFile:
case WopiRequestType.RenameFile:
case WopiRequestType.CheckContainerInfo:
case WopiRequestType.CreateChildContainer:
case WopiRequestType.CreateChildFile:
case WopiRequestType.DeleteContainer:
case WopiRequestType.EnumerateAncestors:
case WopiRequestType.EnumerateChildren:
case WopiRequestType.RenameContainer:
case WopiRequestType.CheckEcosystem:
case WopiRequestType.GetFileWopiSrc:
case WopiRequestType.GetRootContainer:
case WopiRequestType.Bootstrap:
case WopiRequestType.GetNewAccessToken:
return(new WopiResponse {
StatusCode = HttpStatusCode.NotImplemented
});
default:
throw new ArgumentOutOfRangeException();
}
}
