Fix authorization request is not redirecting when code_challenge
is invalid
#1472
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Fixes #1039
On authorization request of "Authorization Code" flow, after client is verified and redirect URI is finalized, the client expects the error response to be redirected back to the URI with "state" parameter set if provided.
This PR fixes a bug where
code_challenge
orcode_challenge_method
parameters are invalid and the server responses with error 400 instead of redirecting to URI witherror
andstate
parameters.