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From "James Liao (JIRA)" <jetspeed-...@portals.apache.org>
Subject [jira] Commented: (JS2-359) Provide a more flexible and less strict default configuration of InternalPasswordCredentialInterceptors
Date Tue, 06 Sep 2005 01:32:31 GMT
    [ http://issues.apache.org/jira/browse/JS2-359?page=comments#action_12322698 ] 

James Liao commented on JS2-359:

+1. Thanks ate!
Correct me if I got misunderstanding. That is to say I can implement my own interceptor to
satisfy my customer's special requirement and configuration through Spring without any hack
code to j2.If it is true, that is great.

> Provide a more flexible and less strict default configuration of InternalPasswordCredentialInterceptors
> -------------------------------------------------------------------------------------------------------
>          Key: JS2-359
>          URL: http://issues.apache.org/jira/browse/JS2-359
>      Project: Jetspeed 2
>         Type: Improvement
>   Components: Security
>     Versions: 2.0-M4
>     Reporter: Ate Douma
>     Assignee: Ate Douma
>     Priority: Minor
>      Fix For: 2.0-M4

> The default password credential validation and handling is rather (military) strict in
that it
> - enforces a password change on first login
> - keeps a history of already used (and thus not allowed to be used again) passwords
> - sets a max lifespan on each password
> - requires a minimum length of 6 with at least 2 digits.
> All these rules and features are already configurable through springframework right now.
> But because these are enforced by an interceptor hierarchy, disabling one rule like max
lifespan or required password change on first login, 
> requires replacing an interceptor or modifying the interceptor hierarchy.
> I'm going to provide a more flexible solution by changing the DefaultCredentialHandler
to accept a list of InternalPasswordCredentialInterceptors in its constructor.
> The DefaultCredentialHandler will then invoke each provided interceptor in the list .
> And I will breakdown the current complex interceptors into simple interceptors which
each only providing/enforcing only one rule or feature:
> - password encoder: encodes a not-yet-encoded password on first load  
> - password history: configurable history of passwords which cannot be reused
> - change password on first use (note: the password encoder interceptor will enforce this
when the not-yet-encoded password turns out to be invalid)
> - password expiration: configurable password max lifespan
> - max authentication failures: configurable number of validation errors (in a row) allowed
> Once this is in place and working we can decide which of these interceptors should be
used in the default configuration for Jetspeed-2.
> And I will provide a document how to use these interceptors including an example how
to enforce the same strict rules of our current configuration.
> Further enhancements I'd like to implement are:
> - only temporarily disabling of a credential after max authentication failures (like
30 minutes)
> - disable password expiration for certain credentials (for example an admin credential)
and/or certain users/groups/roles
> But I'm not sure yet I'll be able to provide these additional features without database
model enhancements.

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