Re: can anyone give me a simple example of using tools.session_auth with cp3

Kevin Coyner wrote:
> On Tue, Jan 16, 2007 at 08:19:24PM +0200, Alex
Shteinberg wrote......
> 
> > Yes right on both counts, it works 10x
> > >> I have tried to update my working cp2
code and failed.
> > >> a not working version of the cp3 code
> > >
> > >[snip auth handlers]
> > >
> > >> class Root:
> > >>     _cp_config = {
> > >>         'tools.session_auth': True,
> > >>         'tools.sessions.on': True,
> > >>        
'tools.session_auth.check_username_and_password':
> > >> checkLoginAndPassword,
> > >>         'tools.session_auth.on_check':
loadUserByUsername,
> > >>     }
> 
> 
> I read your thread and tried to get this working on CP
3.0 using
> this code:
> 
> ------
> import cherrypy
> 
> def loadUserByUsername(login):
>    
ulist=[("user1","pass1"),("user2&qu
ot;,"pass2")]
>     for u,p in ulist:
>         if u==login:
>             return (u,p)
> 
> def checkLoginAndPassword(login, password):
>     user = loadUserByUsername(login)
>     if user==None:
>         return u'Wrong login/password'
> 
> 
> class Root:
>     _cp_config = {
>         'tools.session_auth.on': True,
>        
'tools.session_auth.check_username_and_password': 
> checkLoginAndPassword,
>         'tools.session_auth.on_check':
loadUserByUsername,
>     }
> 
>     cherrypy.expose
>     def index(self):
>         return " Hello, you passed auth"
> 
> cherrypy.tree.mount(Root())
> cherrypy.server.quickstart()
> cherrypy.engine.start()
> ------
> 
> However, in my case, it throws the error:
> 
> [30/Jan/2007:11:38:30] HTTP Traceback (most recent call
last):
>   File 
>
"/usr/lib/python2.4/site-packages/cherrypy/_cprequest.p
y", 
> line 340, in respond
>     self.hooks.run('before_handler')
>   File 
>
"/usr/lib/python2.4/site-packages/cherrypy/_cprequest.p
y", 
> line 76, in run
>     hook()
>   File 
>
"/usr/lib/python2.4/site-packages/cherrypy/_cprequest.p
y", 
> line 44, in __call__
>     return self.callback(**self.kwargs)
>   File 
>
"/usr/lib/python2.4/site-packages/cherrypy/_cptools.py&
quot;, line 
> 138, in _wrapper
>     if self.callable(**kwargs):
>   File 
>
"/usr/lib/python2.4/site-packages/cherrypy/lib/cptools.
py", 
> line 278, in session_auth
>     return sa.run()
>   File 
>
"/usr/lib/python2.4/site-packages/cherrypy/lib/cptools.
py", 
> line 271, in run
>     return self.do_check()
>   File 
>
"/usr/lib/python2.4/site-packages/cherrypy/lib/cptools.
py", 
> line 246, in do_check
>     sess = cherrypy.session
> AttributeError: 'module' object has no attribute
'session'
> 
> Any idea what I'm missing?

Because sessions are an extension to CherryPy (and not a
builtin), there
will be no "cehrrypy.session" object unless you
either 1) turn on
tools.sessions, or 2) do it yourself by calling
lib.sessions.init and
friends.


Robert Brewer
System Architect
Amor Ministries
fumanchuamor.org

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On Tue, Jan 30, 2007 at 09:17:13AM -0800, Robert Brewer
wrote......

> Because sessions are an extension to CherryPy (and not
a builtin),
> there will be no "cehrrypy.session" object
unless you either 1)
> turn on tools.sessions, or 2) do it yourself by
calling
> lib.sessions.init and friends.

Thanks.  That did the trick.  For those like me who have
struggled with some of
these things, below you will find a working code example for
CP 3.0:

-----
import cherrypy

def loadUserByUsername(login):
   
ulist=[("user1","pass1"),("user2&qu
ot;,"pass2")]
    for u,p in ulist:
        if u==login:
            return (u,p)

def checkLoginAndPassword(login, password):
    user = loadUserByUsername(login)
    if user==None:
        return u'Wrong login/password'

class Root:
    _cp_config = {
        'tools.sessions.on': True,
        'tools.session_auth.on': True,
        'tools.session_auth.check_username_and_password':
checkLoginAndPassword,
        'tools.session_auth.on_check': loadUserByUsername,
    }

    cherrypy.expose
    def index(self):
        return " Hello, you passed auth"

cherrypy.tree.mount(Root())
cherrypy.server.quickstart()
cherrypy.engine.start()
-----

-- 
Kevin Coyner  GnuPG key: 1024D/8CE11941

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