[gatein-issues] [JBoss JIRA] (GTNPORTAL-3414) Oauth improvement: enable developer change the way to generate gatein user for each oauth provider via extension

[Tuyen Nguyen The (JIRA)]

     [ https://issues.jboss.org/browse/GTNPORTAL-3414?focusedWorklogId=12430921&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-12430921 ]

Tuyen Nguyen The logged work on GTNPORTAL-3414:
-----------------------------------------------

                Author: Tuyen Nguyen The
            Created on: 18/Mar/14 12:13 AM
            Start Date: 17/Mar/14 12:12 AM
    Worklog Time Spent: 2 hours 

Issue Time Tracking
-------------------

    Remaining Estimate: 0 minutes  (was: 1 hour)
            Time Spent: 7 hours  (was: 5 hours)
            Worklog Id:     (was: 12430921)


> Oauth improvement: enable developer change the way to generate gatein user for each oauth provider via extension
> ----------------------------------------------------------------------------------------------------------------
>
>                 Key: GTNPORTAL-3414
>                 URL: https://issues.jboss.org/browse/GTNPORTAL-3414
>             Project: GateIn Portal
>          Issue Type: Enhancement
>      Security Level: Public(Everyone can see) 
>            Reporter: Tuyen Nguyen The
>            Assignee: Trong Tran
>         Attachments: linkedin-registration.png
>
>   Original Estimate: 4 hours
>          Time Spent: 7 hours
>  Remaining Estimate: 0 minutes
>
> When i register new account with LinkedIn, i see a registration form with random-string username prefilled (see attachment)
> It's because LinkedIn does not provide username as unique attribute for each user, so we have to get userid instead of username, and this is a random-string by LinkedIn
> Now, We can improvement method OAuthUtils#convertOAuthPrincipalToGateInUser() and customize the way to convert oauth-principal to gatein user for linkedIn.
> But when someone provide other oauth integration via extension, he can not customize OAuthUtils#convertOAuthPrincipalToGateInUser() method to generate gatein user by the way that oauth should do.
> So we should enable developer change the way to generate gatein user for each oauth provider via extension.
> To enable developer change the way to generate gatein user via extension, we will:
> - Introduce OAuthUserGenerator service and it can add OAuthUserGeneratorPlugin by extension. This service will response to generate gatein user from oauth-principal
> - Method OAuthUserGenerator#generateGateInUser(OAuthPrincipal principal) will do:
>   + Find OAuthUserGeneratorPlugin by oauthProviderType, 
>   + If found plugin for this oauth provider it will delegate method OAuthUserGeneratorPlugin#generateGateInUser()
>   + If not found, it will delegate to OAuthUtils#convertOAuthPrincipalToGateInUser() as default.

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