portal/views.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 Augé <jordan.auge@lip6.fr>
   8 #   Mohammed Yasin Rahman <mohammed-yasin.rahman@lip6.fr>
   9 # Copyright 2013, UPMC Sorbonne Universités / LIP6
  10 #
  11 # This program is free software; you can redistribute it and/or modify it under
  12 # the terms of the GNU General Public License as published by the Free Software
  13 # Foundation; either version 3, or (at your option) any later version.
  14 #
  15 # This program is distributed in the hope that it will be useful, but WITHOUT
  16 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  17 # FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  18 # details.
  19 #
  20 # You should have received a copy of the GNU General Public License along with
  21 # this program; see the file COPYING.  If not, write to the Free Software
  22 # Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  23
  24 import json
  25
  26 from django.http                import HttpResponseRedirect, HttpResponse
  27 from django.shortcuts           import render
  28 from django.template.loader     import render_to_string
  29
  30 from unfold.loginrequired       import FreeAccessView
  31 from ui.topmenu                 import topmenu_items, the_user
  32
  33 from portal.event               import Event
  34 # presview is put in observation for now
  35 #from plugins.pres_view          import PresView
  36 from plugins.raw                import Raw
  37
  38 # these seem totally unused for now
  39 #from portal.util                import RegistrationView, ActivationView
  40
  41 from portal.models              import PendingUser, PendingSlice
  42 from portal.actions             import get_request_by_authority
  43 from manifold.manifoldapi       import execute_query
  44 from manifold.core.query        import Query
  45 from unfold.page                import Page
  46
  47 # NOTE
  48 # initially all the portal views were defined in this single file
  49 # all the other ones have now migrated into separate classes/files for more convenience
  50 # I'm leaving these ones here for now as I could not exactly figure what the purpose was
  51 # (i.e. what the correct name should be, as presviewview was a bit cryptic)
  52 class PresViewView(FreeAccessView):
  53     template_name = "view-unfold1.html"
  54
  55     def get_context_data(self, **kwargs):
  56
  57         page = Page(self.request)
  58
  59 #        pres_view = PresView(page = page)
  60         pres_view = Raw(page = page,html="<h1>PresView needs to be integrated</h1>")
  61
  62         context = super(PresViewView, self).get_context_data(**kwargs)
  63
  64         #context['ALL_STATIC'] = "all_static"
  65         context['unfold_main'] = pres_view.render(self.request)
  66
  67         # XXX This is repeated in all pages
  68         # more general variables expected in the template
  69         context['title'] = 'Test view that combines various plugins'
  70         # the menu items on the top
  71         context['topmenu_items'] = topmenu_items('PresView', self.request)
  72         # so we can sho who is logged
  73         context['username'] = the_user(self.request)
  74
  75         prelude_env = page.prelude_env()
  76         context.update(prelude_env)
  77
  78         return context
  79
  80 def json_me(config_file,type):
  81     json_answer = ''
  82     for ligne in config_file:
  83         if not ligne.startswith('#'):
  84             args = ligne.split(';')
  85             json_answer += str('{ "name": "' + args[0] + '" ,"id":"' + args[1]  + '" ,"descriptif":"' + args[2]+'"')
  86             if type!="dynamic":
  87                 json_answer += str(',"contraints":')
  88                 if args[3]=="":
  89                     json_answer += str('""')
  90                 else:
  91                     json_answer += str(args[3])
  92             json_answer += str('},')
  93     return json_answer[:-1]
  94
  95
  96 DIR = '/var/myslice/'
  97 STATIC = '%s/config_method_static' % DIR
  98 DYNAMIC = '%s/config_method_dynamic' % DIR
  99 ANIMATION = '%s/config_method_animation' % DIR
 100
 101 def pres_view_methods(request, type):
 102
 103     if type ==None:
 104         return 0
 105     elif type =="static":
 106         config = open(STATIC, "r")
 107         json_answer = str('{ "options": [')
 108         json_answer += str(json_me(config,"static"))
 109         json_answer += str('] }')
 110         config.close()
 111     elif type =="dynamic":
 112         config = open(DYNAMIC, "r")
 113         json_answer = str('{ "options": [')
 114         json_answer += str(json_me(config,"dynamic"))
 115         json_answer += str('] }')
 116         config.close()
 117     elif type =="animation":
 118         config = open(ANIMATION, "r")
 119         json_answer = str('{ "options": [')
 120         json_answer += str(json_me(config,"animation"))
 121         json_answer += str('] }')
 122         config.close()
 123     elif type =="all":
 124         config = open(STATIC, "r")
 125         json_answer = str('{ "static": [')
 126         json_answer += str(json_me(config,"static"))
 127         json_answer += str('],')
 128         json_answer += str('"dynamic": [')
 129         config.close()
 130         config = open(DYNAMIC, "r")
 131         json_answer += str(json_me(config,"dynamic"))
 132         json_answer += str('],')
 133         json_answer += str('"animation": [')
 134         config.close()
 135         config = open(ANIMATION, "r")
 136         json_answer += str(json_me(config,"animation"))
 137         json_answer += str('] }')
 138         config.close()
 139     else:
 140         return 0
 141     return HttpResponse (json_answer, mimetype="application/json")
 142
 143 def pres_view_animation(request, constraints, id):
 144
 145 # sites crees depuis 2008
 146 # static.py?contraints=']date_created':1262325600&id='name_id"'
 147
 148     # method = request.getvalue('method') #ex : GetSites
 149     #constraints = "']date_created':1262325600"
 150     #id = "2"
 151
 152     if id == None:
 153         return 0
 154
 155     # method = 'GetSites'#request.getvalue('method') #ex : GetSites
 156     # constraints = {}#request.getvalue('constraints') // nul = {}
 157     # response_field = "'site_id','name','date_created'"#request.getvalue('response_field')
 158
 159     config_file = open(ANIMATION, "r")
 160     for ligne in config_file:
 161         if not ligne.startswith('#'):
 162             ligne = ligne.split('\n')
 163             first = ligne[0].split(';')
 164             if (str(first[1]) == str(id)):
 165                 save = first
 166     config_file.close()
 167
 168     #Les print_method, print_option sont definis par le client (js)
 169     #Les animations acceptent que les connexions anonymous
 170     # args = "postmsg;animation;;;anonymous;https://www.planet-lab.eu/PLCAPI/;"
 171     args = ";;"+str(save[8])+";"+str(save[9])+";anonymous;"+str(save[5])+";"+str(save[6])+";{"+str(constraints)+"};"+str(save[7])+";"
 172
 173
 174     #Creation d'un objet event
 175     event = Event(args)
 176     cmd = [{"params": {
 177             "data": {
 178                 "print_options": event.print_options,
 179                 "print_method": event.print_method,
 180                 "message": event.data
 181             }
 182         }
 183     }]
 184
 185     json_answer = json.dumps(cmd)
 186     return HttpResponse (json_answer, mimetype="application/json")
 187
 188 def pres_view_static(request, constraints, id):
 189     #constraints = "']date_created':1262325600"
 190     #id = "2"
 191
 192     # method = 'GetSites'#request.getvalue('method') #ex : GetSites
 193     # constraints = {}#request.getvalue('constraints') // nul = {}
 194     # response_field = "'site_id','name','date_created'"#request.getvalue('response_field')
 195
 196     config_file = open(STATIC, "r")
 197     for ligne in config_file:
 198         if not ligne.startswith('#'):
 199             ligne = ligne.split('\n')
 200             first = ligne[0].split(';')
 201             if (str(first[1]) == str(id)):
 202                 save = first
 203     config_file.close()
 204
 205     #Les print_method, print_option sont definis par le client (js)
 206     #Les animations acceptent que les connexions anonymous
 207     # args = "postmsg;animation;;;anonymous;https://www.planet-lab.eu/PLCAPI/;"
 208     args = ";;"+str(save[8])+";"+str(save[9])+";anonymous;"+str(save[5])+";"+str(save[6])+";{"+str(constraints)+"};"+str(save[7])+";"
 209
 210
 211     #Creation d'un objet event
 212     event = Event(args)
 213     cmd = [{"params": {
 214             "data": {
 215                 "print_options": event.print_options,
 216                 "print_method": event.print_method,
 217                 "message": event.data
 218             }
 219         }
 220     }]
 221
 222     json_answer = json.dumps(cmd)
 223     return HttpResponse (json_answer, mimetype="application/json")
 224
 225 class ValidatePendingView(FreeAccessView):
 226     template_name = "validate_pending.html"
 227
 228     def get_context_data(self, **kwargs):
 229         # We might have slices on different registries with different user accounts
 230         # 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
 231         # Different registries mean different identities, unless we identify via SFA HRN or have associated the user email to a single hrn
 232
 233         #messages.info(self.request, 'You have logged in')
 234         page = Page(self.request)
 235
 236         ctx_my_authorities = {}
 237         ctx_delegation_authorities = {}
 238
 239
 240         # The user need to be logged in
 241         if the_user(self.request):
 242             # Who can a PI validate:
 243             # His own authorities + those he has credentials for.
 244             # In MySlice we need to look at credentials also.
 245
 246
 247             # XXX This will have to be asynchroneous. Need to implement barriers,
 248             # for now it will be sufficient to have it working statically
 249
 250             # get user_id to later on query accounts
 251             # XXX Having real query plan on local tables would simplify all this
 252             # XXX $user_email is still not available for local tables
 253             #user_query = Query().get('local:user').filter_by('email', '==', '$user_email').select('user_id')
 254             user_query = Query().get('local:user').filter_by('email', '==', the_user(self.request)).select('user_id')
 255             user, = execute_query(self.request, user_query)
 256             user_id = user['user_id']
 257
 258             # Query manifold to learn about available SFA platforms for more information
 259             # In general we will at least have the portal
 260             # For now we are considering all registries
 261             all_authorities = []
 262             platform_ids = []
 263             sfa_platforms_query = Query().get('local:platform').filter_by('gateway_type', '==', 'sfa').select('platform_id', 'platform', 'auth_type')
 264             sfa_platforms = execute_query(self.request, sfa_platforms_query)
 265             for sfa_platform in sfa_platforms:
 266                 print "SFA PLATFORM > ", sfa_platform['platform']
 267                 if not 'auth_type' in sfa_platform:
 268                     continue
 269                 auth = sfa_platform['auth_type']
 270                 if not auth in all_authorities:
 271                     all_authorities.append(auth)
 272                 platform_ids.append(sfa_platform['platform_id'])
 273
 274             print "W: Hardcoding platform myslice"
 275             # There has been a tweak on how new platforms are referencing a
 276             # so-called 'myslice' platform for storing authentication tokens.
 277             # XXX This has to be removed in final versions.
 278             myslice_platforms_query = Query().get('local:platform').filter_by('platform', '==', 'myslice').select('platform_id')
 279             myslice_platforms = execute_query(self.request, myslice_platforms_query)
 280             if myslice_platforms:
 281                 myslice_platform, = myslice_platforms
 282                 platform_ids.append(myslice_platform['platform_id'])
 283
 284             # We can check on which the user has authoritity credentials = PI rights
 285             credential_authorities = set()
 286             credential_authorities_expired = set()
 287
 288             # User account on these registries
 289             user_accounts_query = Query.get('local:account').filter_by('user_id', '==', user_id).filter_by('platform_id', 'included', platform_ids).select('auth_type', 'config')
 290             user_accounts = execute_query(self.request, user_accounts_query)
 291             #print "=" * 80
 292             #print user_accounts
 293             #print "=" * 80
 294             for user_account in user_accounts:
 295
 296                 print "USER ACCOUNT", user_account
 297                 if user_account['auth_type'] == 'reference':
 298                     continue # we hardcoded the myslice platform...
 299
 300                 config = json.loads(user_account['config'])
 301                 creds = []
 302                 print "CONFIG KEYS", config.keys()
 303                 if 'authority_credentials' in config:
 304                     print "***", config['authority_credentials'].keys()
 305                     for authority_hrn, credential in config['authority_credentials'].items():
 306                         #if credential is not expired:
 307                         credential_authorities.add(authority_hrn)
 308                         #else
 309                         #    credential_authorities_expired.add(authority_hrn)
 310                 if 'delegated_authority_credentials' in config:
 311                     print "***", config['delegated_authority_credentials'].keys()
 312                     for authority_hrn, credential in config['delegated_authority_credentials'].items():
 313                         #if credential is not expired:
 314                         credential_authorities.add(authority_hrn)
 315                         #else
 316                         #    credential_authorities_expired.add(authority_hrn)
 317
 318             print 'credential_authorities =', credential_authorities
 319             print 'credential_authorities_expired =', credential_authorities_expired
 320
 321             # ** Where am I a PI **
 322             # For this we need to ask SFA (of all authorities) = PI function
 323             pi_authorities_query = Query.get('user').filter_by('user_hrn', '==', '$user_hrn').select('pi_authorities')
 324             pi_authorities_tmp = execute_query(self.request, pi_authorities_query)
 325             pi_authorities = set()
 326             for pa in pi_authorities_tmp:
 327                 pi_authorities |= set(pa['pi_authorities'])
 328
 329             print "pi_authorities =", pi_authorities
 330
 331             # My authorities + I have a credential
 332             pi_credential_authorities = pi_authorities & credential_authorities
 333             pi_no_credential_authorities = pi_authorities - credential_authorities - credential_authorities_expired
 334             pi_expired_credential_authorities = pi_authorities & credential_authorities_expired
 335             # Authorities I've been delegated PI rights
 336             pi_delegation_credential_authorities = credential_authorities - pi_authorities
 337             pi_delegation_expired_authorities = credential_authorities_expired - pi_authorities
 338
 339             print "pi_credential_authorities =", pi_credential_authorities
 340             print "pi_no_credential_authorities =", pi_no_credential_authorities
 341             print "pi_expired_credential_authorities =", pi_expired_credential_authorities
 342             print "pi_delegation_credential_authorities = ", pi_delegation_credential_authorities
 343             print "pi_delegation_expired_authorities = ", pi_delegation_expired_authorities
 344
 345             # Summary intermediary
 346             pi_my_authorities = pi_credential_authorities | pi_no_credential_authorities | pi_expired_credential_authorities
 347             pi_delegation_authorities = pi_delegation_credential_authorities | pi_delegation_expired_authorities
 348
 349             print "--"
 350             print "pi_my_authorities = ", pi_my_authorities
 351             print "pi_delegation_authorities = ", pi_delegation_authorities
 352
 353             # Summary all
 354             queried_pending_authorities = pi_my_authorities | pi_delegation_authorities
 355             print "----"
 356             print "queried_pending_authorities = ", queried_pending_authorities
 357
 358             requests = get_request_by_authority(queried_pending_authorities)
 359             for request in requests:
 360                 auth_hrn = request['authority_hrn']
 361
 362                 if auth_hrn in pi_my_authorities:
 363                     dest = ctx_my_authorities
 364
 365                     # define the css class
 366                     if auth_hrn in pi_credential_authorities:
 367                         request['allowed'] = 'allowed'
 368                     elif auth_hrn in pi_expired_credential_authorities:
 369                         request['allowed'] = 'expired'
 370                     else: # pi_no_credential_authorities
 371                         request['allowed'] = 'denied'
 372
 373                 elif auth_hrn in pi_delegation_authorities:
 374                     dest = ctx_delegation_authorities
 375
 376                     if auth_hrn in pi_delegation_credential_authorities:
 377                         request['allowed'] = 'allowed'
 378                     else: # pi_delegation_expired_authorities
 379                         request['allowed'] = 'expired'
 380
 381                 else:
 382                     continue
 383
 384                 if not auth_hrn in dest:
 385                     dest[auth_hrn] = []
 386                 dest[auth_hrn].append(request)
 387
 388         context = super(ValidatePendingView, self).get_context_data(**kwargs)
 389         context['my_authorities']   = ctx_my_authorities
 390         context['delegation_authorities'] = ctx_delegation_authorities
 391
 392         # XXX This is repeated in all pages
 393         # more general variables expected in the template
 394         context['title'] = 'Test view that combines various plugins'
 395         # the menu items on the top
 396         context['topmenu_items'] = topmenu_items('Validation', self.request)
 397         # so we can sho who is logged
 398         context['username'] = the_user(self.request)
 399
 400         # XXX We need to prepare the page for queries
 401         #context.update(page.prelude_env())
 402
 403         return context