Issue with "authorization_code" Flow: Incomplete or Invalid Access Token

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Problem Description:

We are currently facing an issue with the “authorization_code” flow in our authentication process. The user is successfully logged in, as confirmed by our logs. However, the access token received is either incomplete or invalid. As a temporary workaround, we are using the ID token, but we understand this is not an ideal solution.

Steps Taken:

  1. Verified the Auth0 audience: Double-checked and ensured that the audience specified in the authentication process matches the exact string provided by Auth0.

  2. Followed Documentation: Carefully followed the Auth0 documentation to implement the “authorization_code” flow. link to article

  3. Community Exploration: Explored the Auth0 community for possible solutions or insights into similar issues.

Observations:

  • This issue is not related to the “invalid_grant” error.
  • The user is successfully authenticated, but the resulting access token is either incomplete or deemed invalid.

Seeking Assistance:

We are reaching out to the Auth0 community for assistance in resolving this issue. Any insights, suggestions, or solutions would be greatly appreciated.

Additional Notes:

  • Please note that we have considered the possibility of misconfigurations and have carefully reviewed our implementation against the provided documentation.

Thank you for your time and assistance.

2

Can you please provide the code you’re using to configure the SDK you’re using? I want to make sure you’re passing an audience parameter properly. Without this parameter, you will receive an opaque access token rather than a JWT.

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is this the code you were asking for if you need anything ,let us know , also the code is written in expressJS

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You might have better luck using our Express SDK rather than raw HTTP calls.

If you want to set up a quick example app, you can use OktaDev Schematics: