Hello Twitch Developers!
I’ve used Google and the search function on here so far and i found some interesting informations.
If i understand that right, you can pass custom parameters through the state parameter.
But how can i access the data after the user logged in?
What i tried so far:
send encoded Base64 data over the state Parameter; can’t access it. The JSON Object after login does not contain this.
So, how could this even be realized? Or: Is it even possible?!
The state parameter is a part of OAuth2 to validate that you are receiving back the same request that you sent to the service for authentication and mitigate attacks:
Also, the JSON object doesn’t contain it, it comes back as part of the redirect_uri, from Twitch docs:
Here is a sample response with both an ID token and access token:
The suggestion is, to encode your original state value before sending it, then upon retrieval, decoding it, and verifying that it is correct.
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