portal/slicerequestview.py

   1 from django.shortcuts           import render
   2 from django.contrib.sites.models import Site
   3
   4
   5 from unfold.page                import Page
   6
   7 from manifold.core.query        import Query
   8 from manifoldapi.manifoldapi    import execute_admin_query, execute_query
   9
  10 from portal.actions             import is_pi, create_slice, create_pending_slice, clear_user_creds
  11 #from portal.forms               import SliceRequestForm
  12 from unfold.loginrequired       import LoginRequiredAutoLogoutView
  13 from ui.topmenu                 import topmenu_items_live, the_user
  14
  15 from myslice.theme import ThemeView
  16
  17 import json, time, re
  18
  19 import activity.user
  20
  21 class SliceRequestView (LoginRequiredAutoLogoutView, ThemeView):
  22     template_name = 'slicerequest_view.html'
  23
  24     # because we inherit LoginRequiredAutoLogoutView that is implemented by redefining 'dispatch'
  25     # we cannot redefine dispatch here, or we'd lose LoginRequired and AutoLogout behaviours
  26     def post (self, request):
  27         return self.get_or_post (request, 'POST')
  28
  29     def get (self, request):
  30         return self.get_or_post (request, 'GET')
  31
  32     def get_or_post  (self, wsgi_request, method):
  33         """
  34         """
  35         errors = []
  36         slice_name =''
  37         purpose=''
  38         url=''
  39         authority_hrn = None
  40         authority_name = None
  41         # Retrieve the list of authorities
  42         authorities_query = Query.get('authority').select('name', 'authority_hrn')
  43         authorities = execute_admin_query(wsgi_request, authorities_query)
  44         if authorities is not None:
  45             authorities = sorted(authorities)
  46
  47         # Get user_email (XXX Would deserve to be simplified)
  48         user_query  = Query().get('local:user').select('email','config')
  49         user_details = execute_query(wsgi_request, user_query)
  50         user_email = user_details[0].get('email')
  51         # getting user_hrn
  52         for user_detail in user_details:
  53             user_config = json.loads(user_detail['config'])
  54             user_authority = user_config.get('authority','N/A')
  55         # getting the org from authority
  56         for authority in authorities:
  57             if authority['authority_hrn'] == user_authority:
  58                 authority_name = authority['name']
  59
  60         # Handle the case when we use only hrn and not name
  61         if authority_name is None:
  62             authority_name = user_authority
  63         #
  64         account_query  = Query().get('local:account').select('user_id','platform_id','auth_type','config')
  65         account_details = execute_query(wsgi_request, account_query)
  66         #
  67         platform_query  = Query().get('local:platform').select('platform_id','platform','gateway_type','disabled')
  68         platform_details = execute_query(wsgi_request, platform_query)
  69         user_hrn = None
  70         # getting user_hrn from local:account
  71         for account_detail in account_details:
  72             for platform_detail in platform_details:
  73                 if platform_detail['platform_id'] == account_detail['platform_id']:
  74                     # taking user_hrn only from myslice account
  75                     # NOTE: we should later handle accounts filter_by auth_type= managed OR user
  76                     if 'myslice' in platform_detail['platform']:
  77                         account_config = json.loads(account_detail['config'])
  78                         user_hrn = account_config.get('user_hrn','N/A')
  79                         acc_auth_cred = account_config.get('delegated_authority_credentials','N/A')
  80
  81
  82         # checking if pi or not
  83         if acc_auth_cred == {} or acc_auth_cred == 'N/A':
  84             pi = "is_not_pi"
  85         else:
  86             pi = "is_pi"
  87
  88
  89         # Page rendering
  90         page = Page(wsgi_request)
  91         page.add_js_files  ( [ "js/jquery.validate.js", "js/jquery-ui.js" ] )
  92         page.add_css_files ( [ "https://code.jquery.com/ui/1.10.3/themes/smoothness/jquery-ui.css" ] )
  93         page.expose_js_metadata()
  94
  95         if method == 'POST':
  96             # The form has been submitted
  97
  98             # get the domain url
  99             current_site = Site.objects.get_current()
 100             current_site = current_site.domain
 101
 102             # getting the authority_hrn from the selected organization
 103             for authority in authorities:
 104                 if authority['name'] == wsgi_request.POST.get('org_name', ''):
 105                     authority_hrn = authority['authority_hrn']
 106
 107             # Handle the case when we use only hrn and not name
 108             if authority_hrn is None:
 109                 authority_hrn = wsgi_request.POST.get('org_name', '')
 110
 111             slice_request = {
 112                 'type'              : 'slice',
 113                 'id'                : None,
 114                 'user_hrn'          : user_hrn,
 115                 'email'             : user_email,
 116                 'timestamp'         : time.time(),
 117                 'authority_hrn'     : authority_hrn,
 118                 'organization'      : wsgi_request.POST.get('org_name', ''),
 119                 'slice_name'        : wsgi_request.POST.get('slice_name', ''),
 120                 'url'               : wsgi_request.POST.get('exp_url', ''),
 121                 'purpose'           : wsgi_request.POST.get('purpose', ''),
 122                 'current_site'      : current_site
 123             }
 124
 125             # create slice_hrn based on authority_hrn and slice_name
 126             slice_name = slice_request['slice_name']
 127             req_slice_hrn = authority_hrn + '.' + slice_name
 128             # comparing requested slice_hrn with the existing slice_hrn
 129             slice_query  = Query().get('slice').select('slice_hrn','parent_authority').filter_by('parent_authority','==',authority_hrn)
 130             slice_details_sfa = execute_admin_query(wsgi_request, slice_query)
 131             for _slice in slice_details_sfa:
 132                 if _slice['slice_hrn'] == req_slice_hrn:
 133                     errors.append('Slice already exists. Please use a different slice name.')
 134
 135
 136             # What kind of slice name is valid?
 137             if (slice_name is None or slice_name == ''):
 138                 errors.append('Slice name is mandatory')
 139
 140             if (re.search(r'^[A-Za-z0-9_]*$', slice_name) == None):
 141                 errors.append('Slice name may contain only letters, numbers, and underscore.')
 142
 143             organization = slice_request['organization']
 144             if (organization is None or organization == ''):
 145                 errors.append('Organization is mandatory')
 146
 147
 148
 149             purpose = slice_request['purpose']
 150             if (purpose is None or purpose == ''):
 151                 errors.append('Experiment purpose is mandatory')
 152
 153             url = slice_request['url']
 154
 155             if not errors:
 156                 if is_pi(wsgi_request, user_hrn, authority_hrn):
 157                     # PIs can directly create slices in their own authority...
 158                     create_slice(wsgi_request, slice_request)
 159                     clear_user_creds(wsgi_request, user_email)
 160                     self.template_name = 'slice-request-done-view.html'
 161                 else:
 162                     # Otherwise a wsgi_request is sent to the PI
 163                     create_pending_slice(wsgi_request, slice_request, user_email)
 164                     self.template_name = 'slice-request-ack-view.html'
 165
 166                 # log user activity
 167                 activity.user.slice(wsgi_request)
 168
 169                 return render(wsgi_request, self.template, {'theme': self.theme}) # Redirect after POST
 170         else:
 171             slice_request = {}
 172
 173         template_env = {
 174             'username': wsgi_request.user.email,
 175             'topmenu_items': topmenu_items_live('Request a slice', page),
 176             'errors': errors,
 177             'slice_name': slice_name,
 178             'purpose': purpose,
 179             'email': user_email,
 180             'user_hrn': user_hrn,
 181             'url': url,
 182             'pi': pi,
 183             'authority_name': authority_name,
 184             'authority_hrn': user_authority,
 185             'cc_myself': True,
 186             'authorities': authorities,
 187             'theme': self.theme,
 188             'section': "Slice request"
 189         }
 190         template_env.update(slice_request)
 191         template_env.update(page.prelude_env())
 192         return render(wsgi_request, self.template, template_env)