+# -*- coding: utf-8 -*-
+#
+# portal/views.py: views for the portal application
+# This file is part of the Manifold project.
+#
+# Authors:
+# Jordan Augé <jordan.auge@lip6.fr>
+# Mohammed Yasin Rahman <mohammed-yasin.rahman@lip6.fr>
+# Loic Baron <loic.baron@lip6.fr>
+# Copyright 2013, UPMC Sorbonne Universités / LIP6
+#
+# This program is free software; you can redistribute it and/or modify it under
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation; either version 3, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+# details.
+#
+# You should have received a copy of the GNU General Public License along with
+# this program; see the file COPYING. If not, write to the Free Software
+# Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+import json
+
+from django.http import HttpResponseRedirect, HttpResponse
+from django.shortcuts import render
+from django.template.loader import render_to_string
+
+from unfold.loginrequired import FreeAccessView
+from ui.topmenu import topmenu_items_live, the_user
+
+from portal.event import Event
+# presview is put in observation for now
+#from plugins.pres_view import PresView
+from plugins.raw import Raw
+
+# these seem totally unused for now
+#from portal.util import RegistrationView, ActivationView
+
+from portal.models import PendingUser, PendingSlice
+from portal.actions import get_request_by_authority
+from manifold.manifoldapi import execute_query
+from manifold.core.query import Query
+from unfold.page import Page
+
+class ValidatePendingView(FreeAccessView):
+ template_name = "validate_pending.html"
+
+ def get_context_data(self, **kwargs):
+ # We might have slices on different registries with different user accounts
+ # We note that this portal could be specific to a given registry, to which we register users, but i'm not sure that simplifies things
+ # Different registries mean different identities, unless we identify via SFA HRN or have associated the user email to a single hrn
+
+ #messages.info(self.request, 'You have logged in')
+ page = Page(self.request)
+
+ ctx_my_authorities = {}
+ ctx_delegation_authorities = {}
+
+
+ # The user need to be logged in
+ if the_user(self.request):
+ # Who can a PI validate:
+ # His own authorities + those he has credentials for.
+ # In MySlice we need to look at credentials also.
+
+
+ # XXX This will have to be asynchroneous. Need to implement barriers,
+ # for now it will be sufficient to have it working statically
+
+ # get user_id to later on query accounts
+ # XXX Having real query plan on local tables would simplify all this
+ # XXX $user_email is still not available for local tables
+ #user_query = Query().get('local:user').filter_by('email', '==', '$user_email').select('user_id')
+ user_query = Query().get('local:user').filter_by('email', '==', the_user(self.request)).select('user_id')
+ user, = execute_query(self.request, user_query)
+ user_id = user['user_id']
+
+ # Query manifold to learn about available SFA platforms for more information
+ # In general we will at least have the portal
+ # For now we are considering all registries
+ all_authorities = []
+ platform_ids = []
+ sfa_platforms_query = Query().get('local:platform').filter_by('gateway_type', '==', 'sfa').select('platform_id', 'platform', 'auth_type')
+ sfa_platforms = execute_query(self.request, sfa_platforms_query)
+ for sfa_platform in sfa_platforms:
+ print "SFA PLATFORM > ", sfa_platform['platform']
+ if not 'auth_type' in sfa_platform:
+ continue
+ auth = sfa_platform['auth_type']
+ if not auth in all_authorities:
+ all_authorities.append(auth)
+ platform_ids.append(sfa_platform['platform_id'])
+
+ print "W: Hardcoding platform myslice"
+ # There has been a tweak on how new platforms are referencing a
+ # so-called 'myslice' platform for storing authentication tokens.
+ # XXX This has to be removed in final versions.
+ myslice_platforms_query = Query().get('local:platform').filter_by('platform', '==', 'myslice').select('platform_id')
+ myslice_platforms = execute_query(self.request, myslice_platforms_query)
+ if myslice_platforms:
+ myslice_platform, = myslice_platforms
+ platform_ids.append(myslice_platform['platform_id'])
+
+ # We can check on which the user has authoritity credentials = PI rights
+ credential_authorities = set()
+ credential_authorities_expired = set()
+
+ # User account on these registries
+ user_accounts_query = Query.get('local:account').filter_by('user_id', '==', user_id).filter_by('platform_id', 'included', platform_ids).select('auth_type', 'config')
+ user_accounts = execute_query(self.request, user_accounts_query)
+ #print "=" * 80
+ #print user_accounts
+ #print "=" * 80
+ for user_account in user_accounts:
+
+ print "USER ACCOUNT", user_account
+ if user_account['auth_type'] == 'reference':
+ continue # we hardcoded the myslice platform...
+
+ config = json.loads(user_account['config'])
+ creds = []
+ print "CONFIG KEYS", config.keys()
+ if 'authority_credentials' in config:
+ print "***", config['authority_credentials'].keys()
+ for authority_hrn, credential in config['authority_credentials'].items():
+ #if credential is not expired:
+ credential_authorities.add(authority_hrn)
+ #else
+ # credential_authorities_expired.add(authority_hrn)
+ if 'delegated_authority_credentials' in config:
+ print "***", config['delegated_authority_credentials'].keys()
+ for authority_hrn, credential in config['delegated_authority_credentials'].items():
+ #if credential is not expired:
+ credential_authorities.add(authority_hrn)
+ #else
+ # credential_authorities_expired.add(authority_hrn)
+
+ print 'credential_authorities =', credential_authorities
+ print 'credential_authorities_expired =', credential_authorities_expired
+
+ # ** Where am I a PI **
+ # For this we need to ask SFA (of all authorities) = PI function
+ pi_authorities_query = Query.get('user').filter_by('user_hrn', '==', '$user_hrn').select('pi_authorities')
+ pi_authorities_tmp = execute_query(self.request, pi_authorities_query)
+ pi_authorities = set()
+ for pa in pi_authorities_tmp:
+ pi_authorities |= set(pa['pi_authorities'])
+
+ print "pi_authorities =", pi_authorities
+
+ # My authorities + I have a credential
+ pi_credential_authorities = pi_authorities & credential_authorities
+ pi_no_credential_authorities = pi_authorities - credential_authorities - credential_authorities_expired
+ pi_expired_credential_authorities = pi_authorities & credential_authorities_expired
+ # Authorities I've been delegated PI rights
+ pi_delegation_credential_authorities = credential_authorities - pi_authorities
+ pi_delegation_expired_authorities = credential_authorities_expired - pi_authorities
+
+ print "pi_credential_authorities =", pi_credential_authorities
+ print "pi_no_credential_authorities =", pi_no_credential_authorities
+ print "pi_expired_credential_authorities =", pi_expired_credential_authorities
+ print "pi_delegation_credential_authorities = ", pi_delegation_credential_authorities
+ print "pi_delegation_expired_authorities = ", pi_delegation_expired_authorities
+
+ # Summary intermediary
+ pi_my_authorities = pi_credential_authorities | pi_no_credential_authorities | pi_expired_credential_authorities
+ pi_delegation_authorities = pi_delegation_credential_authorities | pi_delegation_expired_authorities
+
+ print "--"
+ print "pi_my_authorities = ", pi_my_authorities
+ print "pi_delegation_authorities = ", pi_delegation_authorities
+
+ # Summary all
+ queried_pending_authorities = pi_my_authorities | pi_delegation_authorities
+ print "----"
+ print "queried_pending_authorities = ", queried_pending_authorities
+
+ requests = get_request_by_authority(queried_pending_authorities)
+ for request in requests:
+ auth_hrn = request['authority_hrn']
+
+ if auth_hrn in pi_my_authorities:
+ dest = ctx_my_authorities
+
+ # define the css class
+ if auth_hrn in pi_credential_authorities:
+ request['allowed'] = 'allowed'
+ elif auth_hrn in pi_expired_credential_authorities:
+ request['allowed'] = 'expired'
+ else: # pi_no_credential_authorities
+ request['allowed'] = 'denied'
+
+ elif auth_hrn in pi_delegation_authorities:
+ dest = ctx_delegation_authorities
+
+ if auth_hrn in pi_delegation_credential_authorities:
+ request['allowed'] = 'allowed'
+ else: # pi_delegation_expired_authorities
+ request['allowed'] = 'expired'
+
+ else:
+ continue
+
+ if not auth_hrn in dest:
+ dest[auth_hrn] = []
+ dest[auth_hrn].append(request)
+
+ context = super(ValidatePendingView, self).get_context_data(**kwargs)
+ context['my_authorities'] = ctx_my_authorities
+ context['delegation_authorities'] = ctx_delegation_authorities
+
+ # XXX This is repeated in all pages
+ # more general variables expected in the template
+ context['title'] = 'Test view that combines various plugins'
+ # the menu items on the top
+ context['topmenu_items'] = topmenu_items_live('Validation', page)
+ # so we can sho who is logged
+ context['username'] = the_user(self.request)
+
+ # XXX We need to prepare the page for queries
+ #context.update(page.prelude_env())
+
+ return context