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import logging
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import conf
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import ckan.plugins as plugins
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import ckan.plugins.toolkit as toolkit
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from ckan.common import session, c, request
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from ckan import model
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import ckan.lib.base as base
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from pylons import config, request
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from oidc import OIDCClients
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plugin_config_prefix = 'ckanext.ozwillo_pyoidc.'
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log = logging.getLogger(__name__)
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plugin_controller = 'ckanext.ozwillo_pyoidc.plugin:OpenidController'
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CLIENT = None
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class OzwilloPyoidcPlugin(plugins.SingletonPlugin):
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plugins.implements(plugins.IConfigurer)
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plugins.implements(plugins.IRoutes)
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plugins.implements(plugins.IAuthenticator, inherit=True)
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def before_map(self, map):
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map.connect('/organization/{id:.*}/sso',
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controller=plugin_controller,
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action='sso')
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map.connect('/organization/{id:.*}/callback',
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controller=plugin_controller,
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action='callback')
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map.connect('/user/slo',
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controller=plugin_controller,
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action='slo')
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map.redirect('/organization/{id:.*}/logout', '/user/_logout')
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return map
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def after_map(self, map):
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return map
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def identify(self):
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user = session.get('user')
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if user and not toolkit.c.userobj:
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userobj = model.User.get(user)
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toolkit.c.user = userobj.name
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toolkit.c.userobj = userobj
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def login(self):
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global CLIENT
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if 'organization_id' in session:
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g = model.Group.get(session['organization_id'])
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conf.CLIENTS['ozwillo']['client_registration'].update({
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'client_id': g._extras['client_id'].value,
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'client_secret': g._extras['client_secret'].value,
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'redirect_uris': [toolkit.url_for(host=request.host,
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controller=plugin_controller,
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action='callback',
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id=g.name,
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qualified=True)]
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})
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log.info('registration info for organization "%s" set' % g.name)
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CLIENT = OIDCClients(conf)['ozwillo']
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url, ht_args = CLIENT.create_authn_request(session, conf.ACR_VALUES)
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if ht_args:
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toolkit.request.headers.update(ht_args)
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toolkit.redirect_to(url)
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else:
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toolkit.redirect_to('/')
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def logout(self):
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pass
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def update_config(self, config_):
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toolkit.add_template_directory(config_, 'templates')
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toolkit.add_public_directory(config_, 'public')
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toolkit.add_resource('fanstatic', 'ozwillo_pyoidc')
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class OpenidController(base.BaseController):
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def sso(self, id):
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log.info('SSO for organization "%s"' % id)
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session['organization_id'] = id
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session.save()
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log.info('redirecting to login page')
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login_url = toolkit.url_for(host=request.host,
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controller='user',
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action='login',
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qualified=True)
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toolkit.redirect_to(login_url)
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def callback(self):
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global CLIENT
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if CLIENT:
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userinfo = CLIENT.callback(request.GET)
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log.info('Received userinfo: %s' % userinfo)
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userobj = model.User.get(userinfo['nickname'])
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if userobj:
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userobj.email = userinfo['email']
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if 'given_name' in userinfo:
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userobj.fullname = userinfo['given_name']
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if 'family_name' in userinfo:
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userobj.fullname += userinfo['family_name']
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userobj.save()
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session['user'] = userobj.id
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session.save()
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org_url = toolkit.url_for(host=request.host,
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controller="organization",
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action='read',
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id=session['organization_id'],
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qualified=True)
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toolkit.redirect_to(org_url)
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def slo(self):
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"""
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Revokes the delivered access token. Logs out the user
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"""
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global CLIENT
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logout_url = str(CLIENT.end_session_endpoint)
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org_url = toolkit.url_for(host=request.host,
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controller='organization',
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action='read',
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id=session['organization_id'],
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qualified=True)
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redirect_uri = org_url + '/logout'
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# revoke the access token
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headers = {'Content-Type': 'application/x-www-form-urlencoded'}
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data = 'token=%s&token_type_hint=access_token' % CLIENT.access_token
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CLIENT.http_request(CLIENT.revocation_endpoint, 'POST',
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data=data, headers=headers)
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# redirect to IDP logout
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logout_url += '?id_token_hint=%s&' % CLIENT.id_token
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logout_url += 'post_logout_redirect_uri=%s' % redirect_uri
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toolkit.redirect_to(logout_url)
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