FIX: reject user deletes from django auth_user and manifold_db
[myslice.git] / portal / validationview.py
1 # -*- coding: utf-8 -*-
2 #
3 # portal/views.py: views for the portal application
4 # This file is part of the Manifold project.
5 #
6 # Authors:
7 #   Jordan AugĂ© <jordan.auge@lip6.fr>
8 #   Mohammed Yasin Rahman <mohammed-yasin.rahman@lip6.fr>
9 #   Loic Baron <loic.baron@lip6.fr>
10 # Copyright 2013, UPMC Sorbonne UniversitĂ©s / LIP6
11 #
12 # This program is free software; you can redistribute it and/or modify it under
13 # the terms of the GNU General Public License as published by the Free Software
14 # Foundation; either version 3, or (at your option) any later version.
15
16 # This program is distributed in the hope that it will be useful, but WITHOUT
17 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
18 # FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
19 # details.
20
21 # You should have received a copy of the GNU General Public License along with
22 # this program; see the file COPYING.  If not, write to the Free Software
23 # Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24
25 import json
26
27 from django.http                import HttpResponseRedirect, HttpResponse
28 from django.shortcuts           import render
29 from django.template.loader     import render_to_string
30
31 from unfold.loginrequired       import LoginRequiredAutoLogoutView
32 from ui.topmenu                 import topmenu_items_live, the_user
33
34 from portal.event               import Event
35 # presview is put in observation for now
36 #from plugins.pres_view          import PresView
37 from plugins.raw                import Raw
38
39 # these seem totally unused for now
40 #from portal.util                import RegistrationView, ActivationView
41
42 from portal.models              import PendingUser, PendingSlice
43 from portal.actions             import get_requests
44 from manifoldapi.manifoldapi    import execute_query
45 from manifold.core.query        import Query
46 from unfold.page                import Page
47
48 from myslice.theme import ThemeView
49 from myslice.settings import logger
50
51 class ValidatePendingView(LoginRequiredAutoLogoutView, ThemeView):
52     template_name = "validate_pending.html"
53
54     def get_context_data(self, **kwargs):
55         pi = ""
56         # We might have slices on different registries with different user accounts 
57         # 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
58         # Different registries mean different identities, unless we identify via SFA HRN or have associated the user email to a single hrn
59
60         #messages.info(self.request, 'You have logged in')
61         page = Page(self.request)
62
63         ctx_my_authorities = {}
64         ctx_delegation_authorities = {}
65         ctx_sub_authorities = {}
66         dest = {}
67
68
69         # The user need to be logged in
70         if the_user(self.request):
71             # Who can a PI validate:
72             # His own authorities + those he has credentials for.
73             # In MySlice we need to look at credentials also.
74             
75
76             # XXX This will have to be asynchroneous. Need to implement barriers,
77             # for now it will be sufficient to have it working statically
78
79             # get user_id to later on query accounts
80             # XXX Having real query plan on local tables would simplify all this
81             # XXX $user_email is still not available for local tables
82             #user_query = Query().get('local:user').filter_by('email', '==', '$user_email').select('user_id')
83             user_query = Query().get('local:user').filter_by('email', '==', the_user(self.request)).select('user_id')
84             user, = execute_query(self.request, user_query)
85             user_id = user['user_id']
86
87             # Query manifold to learn about available SFA platforms for more information
88             # In general we will at least have the portal
89             # For now we are considering all registries
90             all_authorities = []
91             platform_ids = []
92             sfa_platforms_query = Query().get('local:platform').filter_by('gateway_type', '==', 'sfa').select('platform_id', 'platform', 'auth_type')
93             sfa_platforms = execute_query(self.request, sfa_platforms_query)
94             for sfa_platform in sfa_platforms:
95                 logger.info("SFA PLATFORM > {}".format(sfa_platform['platform']))
96                 if not 'auth_type' in sfa_platform:
97                     continue
98                 auth = sfa_platform['auth_type']
99                 if not auth in all_authorities:
100                     all_authorities.append(auth)
101                 platform_ids.append(sfa_platform['platform_id'])
102
103             logger.warning("W: Hardcoding platform myslice")
104             # There has been a tweak on how new platforms are referencing a
105             # so-called 'myslice' platform for storing authentication tokens.
106             # XXX This has to be removed in final versions.
107             myslice_platforms_query = Query().get('local:platform').filter_by('platform', '==', 'myslice').select('platform_id')
108             myslice_platforms = execute_query(self.request, myslice_platforms_query)
109             if myslice_platforms:
110                 myslice_platform, = myslice_platforms
111                 platform_ids.append(myslice_platform['platform_id'])
112
113             # We can check on which the user has authoritity credentials = PI rights
114             credential_authorities = set()
115             credential_authorities_expired = set()
116
117             # User account on these registries
118             user_accounts_query = Query.get('local:account').filter_by('user_id', '==', user_id).filter_by('platform_id', 'included', platform_ids).select('auth_type', 'config')
119             user_accounts = execute_query(self.request, user_accounts_query)
120             #print "=" * 80
121             #print user_accounts
122             #print "=" * 80
123             for user_account in user_accounts:
124
125                 logger.debug("USER ACCOUNT {}".format(user_account))
126                 if user_account['auth_type'] == 'reference':
127                     continue # we hardcoded the myslice platform...
128
129                 config = json.loads(user_account['config'])
130                 creds = []
131                 logger.debug("CONFIG KEYS {}".format(config.keys()))
132                 if 'authority_credentials' in config:
133                     logger.debug("*** AC {}".format(config['authority_credentials'].keys()))
134                     for authority_hrn, credential in config['authority_credentials'].items():
135                         #if credential is not expired:
136                         credential_authorities.add(authority_hrn)
137                         #else
138                         #    credential_authorities_expired.add(authority_hrn)
139                 if 'delegated_authority_credentials' in config:
140                     logger.debug("*** DAC {}".format(config['delegated_authority_credentials'].keys()))
141                     for authority_hrn, credential in config['delegated_authority_credentials'].items():
142                         #if credential is not expired:
143                         credential_authorities.add(authority_hrn)
144                         #else
145                         #    credential_authorities_expired.add(authority_hrn)
146
147             logger.debug('credential_authorities = {}'.format(credential_authorities))
148             logger.debug('credential_authorities_expired = {}'.format(credential_authorities_expired))
149
150 #            # Using cache manifold-tables to get the list of authorities faster
151 #            all_authorities_query = Query.get('authority').select('name', 'authority_hrn')
152 #            all_authorities = execute_query(self.request, all_authorities_query)
153
154             # ** Where am I a PI **
155             # For this we need to ask SFA (of all authorities) = PI function
156             pi_authorities_query = Query.get('myslice:user').filter_by('user_hrn', '==', '$user_hrn').select('pi_authorities')
157             pi_authorities_tmp = execute_query(self.request, pi_authorities_query)
158             pi_authorities = set()
159             try:
160                 for pa in pi_authorities_tmp:
161                     pi_authorities |= set(pa['pi_authorities'])
162             except Exception as e:
163                 logger.error('No pi_authorities')
164 # TODO: exception if no parent_authority
165 #             try:
166 #                 for pa in pi_authorities_tmp:
167 #                     pi_authorities |= set(pa['pi_authorities'])
168 #             except:
169
170
171 #            # include all sub-authorities of the PI
172 #            # if PI on ple, include all sub-auths ple.upmc, ple.inria and so on...
173 #            pi_subauthorities = set()
174 #            for authority in all_authorities:
175 #                authority_hrn = authority['authority_hrn']
176 #                for my_authority in pi_authorities:
177 #                    if authority_hrn.startswith(my_authority) and authority_hrn not in pi_subauthorities:
178 #                        pi_subauthorities.add(authority_hrn)
179
180             #print "pi_authorities =", pi_authorities
181             #print "pi_subauthorities =", pi_subauthorities
182             
183             # My authorities + I have a credential
184             pi_credential_authorities = pi_authorities & credential_authorities
185             pi_no_credential_authorities = pi_authorities - credential_authorities - credential_authorities_expired
186             pi_expired_credential_authorities = pi_authorities & credential_authorities_expired
187             # Authorities I've been delegated PI rights
188             pi_delegation_credential_authorities = credential_authorities - pi_authorities
189             pi_delegation_expired_authorities = credential_authorities_expired - pi_authorities
190
191             #print "pi_credential_authorities =", pi_credential_authorities
192             #print "pi_no_credential_authorities =", pi_no_credential_authorities
193             #print "pi_expired_credential_authorities =", pi_expired_credential_authorities
194             #print "pi_delegation_credential_authorities = ", pi_delegation_credential_authorities
195             #print "pi_delegation_expired_authorities = ", pi_delegation_expired_authorities
196
197             # Summary intermediary
198             pi_my_authorities = pi_credential_authorities | pi_no_credential_authorities | pi_expired_credential_authorities
199             pi_delegation_authorities = pi_delegation_credential_authorities | pi_delegation_expired_authorities
200
201             #print "--"
202             #print "pi_my_authorities = ", pi_my_authorities
203             #print "pi_delegation_authorities = ", pi_delegation_authorities
204             #print "pi_subauthorities = ", pi_subauthorities
205
206             # Summary all
207             queried_pending_authorities = pi_my_authorities | pi_delegation_authorities #| pi_subauthorities
208             #print "----"
209             #print "queried_pending_authorities = ", queried_pending_authorities
210
211 # iterate on the requests and check if the authority matches a prefix startswith an authority on which the user is PI
212             requests = get_requests()
213 #            requests = get_requests(queried_pending_authorities)
214             for request in requests:
215                 auth_hrn = request['authority_hrn']
216                 for my_auth in pi_my_authorities: 
217                     if auth_hrn.startswith(my_auth):
218                         dest = ctx_my_authorities
219                         request['allowed'] = 'allowed'
220                 for my_auth in pi_delegation_authorities:
221                     if auth_hrn.startswith(my_auth):
222                         dest = ctx_delegation_authorities
223                         request['allowed'] = 'allowed'
224                 if auth_hrn in pi_expired_credential_authorities:
225                     request['allowed'] = 'expired'
226                 if 'allowed' not in request:
227                     request['allowed'] = 'denied'
228                #print "authority for this request", auth_hrn
229
230 #                if auth_hrn in pi_my_authorities:
231 #                    dest = ctx_my_authorities
232 #
233 #                    # define the css class
234 #                    if auth_hrn in pi_credential_authorities:
235 #                        request['allowed'] = 'allowed'
236 #                    elif auth_hrn in pi_expired_credential_authorities:
237 #                        request['allowed'] = 'expired'
238 #                    else: # pi_no_credential_authorities
239 #                        request['allowed'] = 'denied'
240 #
241 #                elif auth_hrn in pi_delegation_authorities:
242 #                    dest = ctx_delegation_authorities
243 #
244 #                    if auth_hrn in pi_delegation_credential_authorities:
245 #                        request['allowed'] = 'allowed'
246 #                    else: # pi_delegation_expired_authorities
247 #                        request['allowed'] = 'expired'
248 #
249 #                elif auth_hrn in pi_subauthorities:
250 #                    dest = ctx_sub_authorities
251 #
252 #                    if auth_hrn in pi_subauthorities:
253 #                        request['allowed'] = 'allowed'
254 #                    else: # pi_delegation_expired_authorities
255 #                        request['allowed'] = 'denied'
256 #
257 #                else:
258 #                    continue
259
260                 if not auth_hrn in dest:
261                     dest[auth_hrn] = []
262                 dest[auth_hrn].append(request)
263         
264         context = super(ValidatePendingView, self).get_context_data(**kwargs)
265         logger.debug("testing")
266         logger.debug(ctx_my_authorities)
267         context['my_authorities']   = ctx_my_authorities
268         context['sub_authorities']   = ctx_sub_authorities
269         context['delegation_authorities'] = ctx_delegation_authorities
270
271         # XXX This is repeated in all pages
272         # more general variables expected in the template
273         context['title'] = 'Test view that combines various plugins'
274         # the menu items on the top
275         context['topmenu_items'] = topmenu_items_live('Validation', page) 
276         # so we can sho who is logged
277         context['username'] = the_user(self.request) 
278         context['pi'] = "is_pi"       
279         context['theme'] = self.theme
280         context['section'] = "Requests"
281         # XXX We need to prepare the page for queries
282         #context.update(page.prelude_env())
283
284         return context