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Viewing changes to ivle/webapp/security/views.py

  • Committer: William Grant
  • Date: 2009-02-17 05:06:35 UTC
  • mto: (1099.1.143 new-dispatch)
  • mto: This revision was merged to the branch mainline in revision 1100.
  • Revision ID: grantw@unimelb.edu.au-20090217050635-9u85hgrreg9flp2h
Remove interpretservice, and clean up ivle.webapp.filesystem.serve.

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ivle/webapp/security/views.py
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    # This needs to be importable from outside Apache.
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    pass
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import ivle.pulldown_subj
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import ivle.webapp.security
 
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import ivle.util
 
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import ivle.dispatch.login
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from ivle.auth import authenticate, AuthError
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from ivle.webapp.base.xhtml import XHTMLView
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from ivle.webapp.base.plugins import CookiePlugin
 
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from ivle.dispatch.login import get_user_details
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class LoginView(XHTMLView):
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    '''A view to allow a user to log in.'''
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        if nexturl is None:
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            nexturl = '/'
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        # We are already logged in. If it is a POST, they might be trying to
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        # clobber their session with some new credentials. That's their own
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        # business, so we let them do it. Otherwise, we don't bother prompting
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        # and just redirect to the destination.
 
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        # We are already logged in. Don't bother logging in again.
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        # Note that req.user is None even if we are 'logged in', if the user is
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        # invalid (state != enabled, or expired).
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        if req.method != "POST" and req.user is not None:
 
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        # invalid.
 
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        if req.user is not None:
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            req.throw_redirect(nexturl)
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        # Don't give any URL if we want /.
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        if nexturl == '/':
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            query_string = ''
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        else:
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            query_string = '?url=' + urllib.quote(nexturl, safe="/~")
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        ctx['path'] = req.make_path('+login') + query_string
 
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        ctx['path'] = ivle.util.make_path('+login') + \
 
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                         '?' + urllib.urlencode([('url', nexturl)])
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        # If this succeeds, the user is invalid.
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        user = ivle.webapp.security.get_user_details(req)
 
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        user = get_user_details(req)
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        if user is not None:
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            if user.state == "no_agreement":
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                # Authenticated, but need to accept the ToS. Send them there.
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                # if you are not planning to display a ToS page - the ToS
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                # acceptance process actually calls usrmgt to create the user
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                # jails and related stuff.
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                req.throw_redirect(req.make_path('+tos') + query_string)
 
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                req.throw_redirect(ivle.util.make_path('+tos') + \
 
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                        '?' + urllib.urlencode([('url', nexturl)]))
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            elif user.state == "pending":
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                # FIXME: this isn't quite the right answer, but it
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                # should be more robust in the short term.
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        if req.method == "POST":
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            # While req.user is normally set to get_user_details, it won't set
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            # it if the account isn't valid. So we get it ourselves.
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            user = ivle.webapp.security.get_user_details(req)
 
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            user = get_user_details(req)
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            badlogin = None
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                else:
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                    user = None
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                    try:
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                        # Username is case insensitive
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                        user = authenticate.authenticate(req.config, req.store,
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                                    username.value.lower(), password.value)
 
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                        user = authenticate.authenticate(req.store,
 
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                                    username.value, password.value)
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                    except AuthError, msg:
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                        badlogin = msg
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                    if user is None:
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                        session = req.get_session()
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                        session['login'] = user.login
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                        session.save()
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                        session.unlock()
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                        user.last_login = datetime.datetime.now()
 
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                        req.store.commit()
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                        # Create cookies for plugins that might request them.
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                        for plugin in req.config.plugin_index[CookiePlugin]:
 
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                        for plugin in req.plugin_index[CookiePlugin]:
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                            for cookie in plugin.cookies:
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                                # The function can be None if they just need to be
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                                # deleted at logout.
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                                    req.add_cookie(mod_python.Cookie.Cookie(cookie,
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                                          plugin.cookies[cookie](user), path='/'))
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                        # Add any new enrolments.
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                        ivle.pulldown_subj.enrol_user(req.config, req.store, user)
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                        req.store.commit()
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                        req.throw_redirect(nexturl)
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                # We didn't succeed.
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    def authorize(self, req):
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        # This can be used by any authenticated user, even if they haven't
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        # accepted the ToS yet.
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        return ivle.webapp.security.get_user_details(req) is not None
 
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        return ivle.dispatch.login.get_user_details(req) is not None
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    def populate(self, req, ctx):
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        if req.method == "POST":
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            req.logout()
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        else:
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            ctx['path'] =  req.make_path('+logout')
 
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            ctx['path'] =  ivle.util.make_path('+logout')