Retrieve Authentication-Token header from backendless 4.0 for file download in .NET

Windows Phone/.NET
1

I currently working on a app in .NET that connects to backendless 4.0

The idea is that the user can upload a companylogo to backendless and that works. Only when trying to get the file with WebClient class (you don’t provided a function to get a file) I get a http 400 error.

I probably have to pass my usertoken (Authentication-Token). But how can I retrieve that in .NET? There isn’t a manual for .NET for the 4.0 version.

Regards,

Kris

2

Hi Kris,

You need to add the authentication token only if you have explicitly restricted the non-authenticated access for the files. However, if you do need to get the user token value, please use the following code:

string userToken = HeadersManager.GetInstance().Headers[ HeadersEnum.USER_TOKEN_KEY ];

where HeadersManager and HeadersEnum are in the BackendlessAPI.Engine namespace.

Regards,
Mark

3

Hi Mark,

Is it possible that HeadersManager isn’t a public class? The name BackendlessAPI.Engine doesn’t contain any classes. I’m using the last backendless.dll (2 days old).

Regards,

Kris

4

Hi Kris,

You are absolutely correct, they are internal classes. Sorry about that, let’s fix it real quick…

Mark

5

This is fixed now:

https://github.com/Backendless/.NET-SDK/tree/4.0/Backendless/Bin/NET_40

Use the following line of code:
string userToken = HeadersManager.GetInstance().Headers[ HeadersEnum.USER_TOKEN_KEY.Header ];

6

Mark,

Thanks for the fast responds and solutions. I allready implemented it in my code and it works!

Have a nice weekend!

Kris