CAS 5.3 OAuth2 Delegated Authentication error Client not found

[mohsen saeedi]

Hello,

I'm using CAS 5.3 latest version. I want to delegate authentication to
an external oauth2 identity server. I added new configuration key
starts with cas.authn.pac4j.oauth2[0] for authUrl, tokenUrl,
ProfileUrl and ... . also defined clientName (for example OAuth20).
Everything works fine but when user return back to cas, it prints
error: 2023-07-17 03:57:35,221 ERROR
[org.apereo.cas.web.flow.DelegatedClientAuthenticationAction] - <No
client found for name: OAuth20?code=74486072882b4f6b896b4476a11f56f9>
org.pac4j.core.exception.TechnicalException: No client found for name:
OAuth20?code=74486072882b4f6b896b4476a11f56f9
I read docs and blog posts and everything was on the internet about
this subject without any success. anyone can help me? I can't change
this version and switch to 6.x . it is not possible on short time.

Mohsen Saeedi

[mohsen saeedi]

Extra information is needed to answer this question?

nobody is here to help me?

Best Regards

[Łukasz Woźniak]

Many years ago I have been using CAS with version 5.3, but there was many errors with delegated authentication. I suggest You to upgrade to version 6.6.x

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[Mohsen Saeedi]

Thanks Łukasz

It is not possible to update in short time. I will test cas 6.6.x too. I have another problem. When it try to check Token, does not send cilent_id and client_secret in www-form-data. the external idp that we are using need this field to pass. Do you have any idea to send these fields?

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Seyyed Mohsen Saeedi

سید محسن سعیدی

[Ray Bon]

Mohsen,

Version 5 is very old. If the problem is in cas, there may be no one that can help.

If the log says that client name was not found (serviceId in service definition). Then check your service definition. serviceId can be a regex.

Ray

On Fri, 2023-07-21 at 21:08 -0700, mohsen saeedi wrote:

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