Session: avoid error
[myslice.git] / portal / homeview.py
1 import time
2 import json
3
4 # this somehow is not used anymore - should it not be ?
5 from django.core.context_processors     import csrf
6 from django.http                        import HttpResponseRedirect
7 from django.contrib.auth                import authenticate, login, logout
8 from django.template                    import RequestContext
9 from django.shortcuts                   import render_to_response
10 from django.shortcuts                   import render
11
12 from unfold.loginrequired               import FreeAccessView
13 from ui.topmenu                         import topmenu_items, the_user
14
15 from manifold.core.query                import Query
16 from manifoldapi.manifoldapi            import execute_query
17 from manifoldapi.manifoldresult         import ManifoldResult
18
19 from myslice.configengine               import ConfigEngine
20 from myslice.theme                      import ThemeView
21
22 from portal.account                     import Account, get_expiration
23 from portal.models                      import PendingSlice
24 from portal.actions                     import authority_check_pis, get_jfed_identity, get_myslice_account
25
26 import activity.user
27
28 class HomeView (FreeAccessView, ThemeView):
29     template_name = 'home-view.html'
30
31     # expose this so we can mention the backend URL on the welcome page
32     def default_env (self):
33         return {
34                  'MANIFOLD_URL':ConfigEngine().manifold_url(),
35                  }
36
37     def post (self,request):
38         env = self.default_env()
39         env['theme'] = self.theme
40         env['section'] = "Dashboard"
41
42         username = request.POST.get('username')
43         password = request.POST.get('password')
44
45         # pass request within the token, so manifold session key can be attached to the request session.
46         token = {'username': username, 'password': password, 'request': request}
47
48         # our authenticate function returns either
49         # . a ManifoldResult - when something has gone wrong, like e.g. backend is unreachable
50         # . a django User in case of success
51         # . or None if the backend could be reached but the authentication failed
52         auth_result = authenticate(token=token)
53         # use one or two columns for the layout - not logged in users will see the login prompt
54         # high-level errors, like connection refused or the like
55         if isinstance (auth_result, ManifoldResult):
56             manifoldresult = auth_result
57             # let's use ManifoldResult.__repr__
58             env['state']="%s"%manifoldresult
59
60         # user was authenticated at the backend
61         elif auth_result is not None:
62             user=auth_result
63             if user is not None and user.is_active:
64                 login(request, user)
65
66                 if request.user.is_authenticated():
67                     try:
68                         env['person'] = self.request.user
69                         env['username'] = self.request.user
70
71                         # log user activity
72                         activity.user.login(self.request)
73
74                         ## check user is pi or not
75                         acc_auth_cred = {}
76                         acc_user_cred = {}
77
78                         account_detail = get_myslice_account(self.request)
79                         if 'config' in account_detail and account_detail['config'] is not '':
80                             account_config = json.loads(account_detail['config'])
81                             acc_auth_cred = account_config.get('delegated_authority_credentials','N/A')
82                             acc_user_cred = account_config.get('delegated_user_credential','N/A')
83                         # assigning values
84                         #if acc_auth_cred=={} or acc_auth_cred=='N/A':
85                         #    pi = "is_not_pi"
86                         #else:
87                         #    pi = "is_pi"
88                         user_email = str(self.request.user)
89                         pi = authority_check_pis(self.request, user_email)
90
91                         # check if the user has creds or not
92                         if acc_user_cred == {} or acc_user_cred == 'N/A':
93                             user_cred = 'no_creds'
94                         else:
95                             exp_date = get_expiration(acc_user_cred, 'timestamp')
96                             if exp_date < time.time():
97                                 user_cred = 'creds_expired'
98                             else:
99                                 user_cred = 'has_creds'
100
101                         # list the pending slices of this user
102                         pending_slices = []
103                         for slices in PendingSlice.objects.filter(type_of_nodes__iexact=self.request.user).all():
104                             pending_slices.append(slices.slice_name)
105
106                         env['pending_slices'] = pending_slices
107                         env['pi'] = pi
108                         env['user_cred'] = user_cred
109                     except Exception as e:
110                         print e
111                         env['person'] = None
112                         env['state'] = "Your session has expired"
113                 else:
114                     env['person'] = None
115             else:
116                 # log user activity
117                 activity.user.login(self.request, "notactive")
118                 env['state'] = "Your account is not active, please contact the site admin."
119                 env['layout_1_or_2']="layout-unfold2.html"
120
121             jfed_identity = get_jfed_identity(request)
122             if jfed_identity is not None:
123                 import base64
124                 encoded_jfed_identity = base64.b64encode(jfed_identity)
125                 env['jfed_identity'] = encoded_jfed_identity 
126             else:
127                 env['jfed_identity'] = None
128
129         # otherwise
130         else:
131             # log user activity
132             activity.user.login(self.request, "error")
133             env['state'] = "Your username and/or password were incorrect."
134         env['request'] = request
135         return render_to_response(self.template,env, context_instance=RequestContext(request))
136
137     def get (self, request, state=None):
138         env = self.default_env()
139         acc_auth_cred={}
140
141
142
143         if request.user.is_authenticated():
144             jfed_identity = get_jfed_identity(request)
145             if jfed_identity is not None:
146                 import base64
147                 encoded_jfed_identity = base64.b64encode(jfed_identity)
148                 env['jfed_identity'] = encoded_jfed_identity 
149             else:
150                 env['jfed_identity'] = None
151
152             ## check user is pi or not
153             platform_details = {}
154             account_details = {}
155             acc_auth_cred = {}
156             acc_user_cred = {}
157             platform_query  = Query().get('local:platform').select('platform_id','platform','gateway_type','disabled')
158             account_query  = Query().get('local:account').select('user_id','platform_id','auth_type','config')
159             # XXX Something like an invalid session seems to make the execute fail sometimes, and thus gives an error on the main page
160
161             account_detail = get_myslice_account(self.request)
162             if 'config' in account_detail and account_detail['config'] is not '':
163                 account_config = json.loads(account_detail['config'])
164                 acc_auth_cred = account_config.get('delegated_authority_credentials','N/A')
165                 acc_user_cred = account_config.get('delegated_user_credential','N/A')
166             # assigning values
167             #if acc_auth_cred=={} or acc_auth_cred=='N/A':
168             #    pi = "is_not_pi"
169             #else:
170             #    pi = "is_pi"
171             user_email = str(self.request.user)
172             pi = authority_check_pis(self.request, user_email)
173             # check if the user has creds or not
174             if acc_user_cred == {} or acc_user_cred == 'N/A':
175                 user_cred = 'no_creds'
176             else:
177                 exp_date = get_expiration(acc_user_cred, 'timestamp')
178                 if exp_date < time.time():
179                     user_cred = 'creds_expired'
180                 else:
181                     user_cred = 'has_creds'
182
183             # list the pending slices of this user
184             pending_slices = []
185             for slices in PendingSlice.objects.filter(type_of_nodes__iexact=self.request.user).all():
186                 pending_slices.append(slices.slice_name)
187
188             env['pending_slices'] = pending_slices
189             env['pi'] = pi
190             env['user_cred'] = user_cred
191             env['person'] = self.request.user
192         else:
193             env['person'] = None
194
195         env['theme'] = self.theme
196         env['section'] = "Dashboard"
197
198         env['username']=the_user(request)
199         env['topmenu_items'] = topmenu_items(None, request)
200         env['request'] = request
201         if state: env['state'] = state
202         elif not env['username']: env['state'] = None
203         # use one or two columns for the layout - not logged in users will see the login prompt
204         return render_to_response(self.template, env, context_instance=RequestContext(request))
205