how do I implement the new VN API into a desktop app?

[Thomas Adrian - Consili]

Hello, I am trying to understand how to use the new vnapi with a windows desktop application. 

when I create a new app there is a "native" type to select but when I look here 
Visma Developer Portal and try to read how to to it, it does not include that.

[Thomas Adrian - Consili]

Did you post the same url as i did?

[Yıldırım · Accepted solution]

This is the anchor link referring to the documentation about Native applications. Please specify what information do you need. 

[Thomas Adrian - Consili]

Hello Yidrim

I have a Windows desktop application and I do not want the user to interact with any OAuth flow , 

I want all authentication to done in the background.  i.e getting key/token, getting data etc.

please answer the following two questions:

1. What kind of app in the appstore should I create to do this kind of desktop app ? service?

2. Where do I get the isv key for the new app in the appstore, I was in contact with Maria Thuvesson and she couldnt help.

Thanks

Thomas

[Yıldırım]

Hello, 

native app is considered as "public app" the secret will be in the source code and cannot be maintained confidential. Therefore, the native app must implement the authorization_code flow with PKCE (as described in the docs) and be integrated with the ERP interactive API. 

1)Native
2) What do you mean by ISV key ? 

[Thomas Adrian - Consili]

Does this means that the user must authenticate using the flow each time the app is used?

[Yıldırım]

Hello, you can use Refresh Token to avoid user authentication every time access token expires. 
https://oauth.developers.visma.com/service-registry/documentation/tokens#refreshToken

[Thomas Adrian - Consili]

ok, thanks

when creating an app in the appstore i need to enter an isv code, all the ones I have is already used so I can use them, how do I get a new one?

[Yıldırım]

Can you send a print screen showing the field / tab of that key where the system is asking you to enter ? 

[Thomas Adrian - Consili]

[Yıldırım]

This is a client_ID that you can select yourself for your new applications. You don't need to get a new one from anywhere. 

[Yıldırım]

Hello, https://oauth.developers.visma.com/service-registry/documentation/authentication#nativeApp

[Thomas Adrian - Consili]

For anyone else having big problems understanding what Yildirim mean by using the Auth flow from a windows desktop app. 

I see two possible scenarios

1. As a partner we could setup a webserver that can be used as a redirect web server that would allow the user to authenticate using the oAuth flow. (I guess) this would however include a cost for the customer.

2. a built-in webserver in the desktop app that could accept the request from the oAuth flow which would not be possible from a customer app behind firewalls etc.

I may be wrong but the information I got and read, none of these options are realistic so the only way to go for Desktop apps would be to use a service app in the Visma App store.

prove me wrong.

Thomas