Hi Rafiek,
I can think of 3 methods of implementing your requirement:
1. *Using Principal Transformation:*
1. e.g.
https://apereo.github.io/cas/6.2.x/configuration/Configuration-Properties-Common.html#authentication-principal-transformation
for Principal transformation for database
2. However, this kind of principal transformation only do
transformation, it will not output error if the transformation not work
3. Also, you are bounded by the default set of princiapl
transformation option allowed (to upper, to lower), which is doubt is
your
goal
2. *Using pre-processor by Groovy script :*
1. While I didn't used this before, by the description it seems match
your use case:
2.
https://apereo.github.io/cas/6.2.x/configuration/Configuration-Properties.html#authentication-pre-processing
3. See if this will be useful, if not use the other options
3. *Using custom Authentication Handler:*
1. Another ways is to implement custom authentication handler
2. see this for how to do it in older version of CAS:
https://apereo.github.io/2018/06/12/cas53-authn-handlers/
3. It is a lot more custom code, but those code usually is backward
compatible (I use custom authen starting from 5.1 all the way to 6.2,
seems
like still working without much edit)
4. The best thing about this option, is that you will have full
control on how you sanitize the username, including using maybe other
component (e.g. JDBC) for your santization if you so choose
See if this is useful. Or maybe other option available as well, if so other
can add in.
Cheers!
- Andy
On Monday, 18 January 2021 at 20:22:51 UTC+8 [email protected] wrote:
> Hi all,
>
> Does anybody know how to sanitize the username? We are able to send any
> sequence of characters for the username, but we would like to limit the
> allowed set of characters.
>
> regards,
> Rafiek
>
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