[Zope3-Users] Authentication howto

[Christophe Combelles]

The first and simple way to add authentication and users via the ZMI is the 
following :

- go to the site manager (in the root, or in your folder/site)
- add a Pluggable Authentication Utility (name as you want, prefix empty)
- enter it
- activate "no challenge if auth" and "session credentials" in this order
- add a Principal Folder (name and prefix as you want)
- return back to the PAU, and activate your Principal Folder
- Now, register both the PAU and the Principal Folder


The same thing made automatically from an event subscriber when my site is added 
into the ZMI gives the following:

def initial_setup(site):
     sm = site.getSiteManager()
     # create and register the PAU (Pluggable Auth Utility)
     pau = PluggableAuthentication()
     sm['authentication'] = pau
     sm.registerUtility(pau, IAuthentication)
     # and the auth plugin
     users = EztranetUsersContainer()
     sm['authentication']['EztranetUsers'] = users
     sm.registerUtility(users, IAuthenticatorPlugin, name="EztranetUsers")
     # activate the auth plugins in the pau
     pau.authenticatorPlugins = (users.__name__, ) # a tuple with one element
     #activate the wanted credential plugins
     pau.credentialsPlugins = ( "No Challenge if Authenticated", "Session 
Credentials" )

EztranetUsersContainer() is just a derived PrincipalFolder()
because I wanted to have a custom container with custom users and a custom template.


Christophe


Torvald Bringsvor a écrit :
> Hi
> 
> I'm a Zope newbie (kind of), and I've read the von
> Weitershausen book. However I'm having trouble
> following the authentication stuff.
> 
> My situation:
> I need a kind of teaspoon HOWTO on how to add
> authentication to the application I'm writing. I want
> show unauthenticated users a simple username/password
> form, using a session to "remember" them.
> 
> It seems every example I come across wants to do
> something mega-complicated, giving me the feeling that
> this will be loads of work. Does it need to be?
> 
> -Torvald
> 
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