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OAuth2 with JWT

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Chrisre

Following Tutorial for OAuth2 authentication with JWT returns the following error.

 

{
   "error": "invalid_request",
   "error_description": "Invalid grant_type parameter or parameter missing"
}

 

I am using the following format for my request.

 

https://api.box.com/oauth2/token?grant_type=urn:ietf:params:oauth:grant-type:jwt-bearer&client_id=YOUR_CLIENT_ID&client_secret=YOUR_CLIENT_SECRET&assertion=YOUR_JWT_ASSERTION

 

I am using SoapUI to send the request with the POST method.

 

The grant type parameter I am using is what is specified in the documentation (urn:ietf:params:oauth:grant-type:jwt-bearer).

 

Any help would be appreciated.

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  • mwiller

     This might be a misunderstanding on my part, but it looks from your example like you're passing the parameters (e.g. client_id and assertion) as query parameters in the URL — these are meant to be passed in the POST body.  Can you check to make sure you're passing them in the correct place?

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  • Chrisre

    Yes, you are right. I was putting the parameters in the wrong place. When I added the parameters to body it worked. I am getting a different error now, about my private key not matching the public key. But at least the request seems to be working now. Thanks!

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  • _bigtom

    For the mismatched key error, I had that initially when I did not first decrypt the private key provided by box.

     

    Once I got past that error, I had another one that is that the signature was signed with a different key than the private key on file. Not true but I did get the error.

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