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, authority_check_pis
  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 theme = ThemeView()
  21
  22 class SliceRequestView (LoginRequiredAutoLogoutView, ThemeView):
  23     template_name = 'slicerequest_view.html'
  24
  25     # because we inherit LoginRequiredAutoLogoutView that is implemented by redefining 'dispatch'
  26     # we cannot redefine dispatch here, or we'd lose LoginRequired and AutoLogout behaviours
  27     def post (self, request):
  28         return self.get_or_post (request, 'POST')
  29
  30     def get (self, request):
  31         return self.get_or_post (request, 'GET')
  32
  33     def get_or_post  (self, wsgi_request, method):
  34         """
  35         """
  36         errors = []
  37         slice_name =''
  38         purpose=''
  39         url=''
  40         authority_hrn = None
  41         authority_name = None
  42         # Retrieve the list of authorities
  43         authorities_query = Query.get('authority').select('name', 'authority_hrn')
  44         authorities = execute_admin_query(wsgi_request, authorities_query)
  45         if authorities is not None:
  46             authorities = sorted(authorities, key=lambda k: k['authority_hrn'])
  47             authorities = sorted(authorities, key=lambda k: k['name'])
  48
  49         # Get user_email (XXX Would deserve to be simplified)
  50         user_query  = Query().get('local:user').select('email','config')
  51         user_details = execute_query(wsgi_request, user_query)
  52         user_email = user_details[0].get('email')
  53         # getting user_hrn
  54         for user_detail in user_details:
  55             user_config = json.loads(user_detail['config'])
  56             user_authority = user_config.get('authority','N/A')
  57         # getting the org from authority
  58         for authority in authorities:
  59             if authority['authority_hrn'] == user_authority:
  60                 authority_name = authority['name']
  61
  62         # Handle the case when we use only hrn and not name
  63         if authority_name is None:
  64             authority_name = user_authority
  65
  66         account_query  = Query().get('local:account').select('user_id','platform_id','auth_type','config')
  67         account_details = execute_query(wsgi_request, account_query)
  68
  69         platform_query  = Query().get('local:platform').select('platform_id','platform','gateway_type','disabled')
  70         platform_details = execute_query(wsgi_request, platform_query)
  71         user_hrn = None
  72         #getting user_hrn from local:account
  73         for account_detail in account_details:
  74             for platform_detail in platform_details:
  75                 if platform_detail['platform_id'] == account_detail['platform_id']:
  76                     # taking user_hrn only from myslice account
  77                     # NOTE: we should later handle accounts filter_by auth_type= managed OR user
  78                     if 'myslice' in platform_detail['platform']:
  79                         account_config = json.loads(account_detail['config'])
  80                         user_hrn = account_config.get('user_hrn','N/A')
  81         #                acc_auth_cred = account_config.get('delegated_authority_credentials','N/A')
  82
  83
  84         # checking if pi or not
  85         #if acc_auth_cred == {} or acc_auth_cred == 'N/A':
  86         #    pi = "is_not_pi"
  87         #else:
  88         #    pi = "is_pi"
  89
  90         pi = authority_check_pis (wsgi_request, user_email)
  91         print "SLICEREQUESTVIEW.PY -----  pi=",pi
  92
  93         # Page rendering
  94         page = Page(wsgi_request)
  95         page.add_js_files  ( [ "js/jquery.validate.js", "js/jquery-ui.js" ] )
  96         page.add_css_files ( [ "css/jquery-ui.css" ] )
  97         page.expose_js_metadata()
  98
  99         if method == 'POST':
 100             # The form has been submitted
 101
 102             # get the domain url
 103             current_site = Site.objects.get_current()
 104             current_site = current_site.domain
 105
 106             # getting the authority_hrn from the selected organization
 107             for authority in authorities:
 108                 if authority['name'] == wsgi_request.POST.get('org_name', ''):
 109                     authority_hrn = authority['authority_hrn']
 110
 111             # Handle the case when we use only hrn and not name
 112             if authority_hrn is None:
 113                 authority_hrn = wsgi_request.POST.get('org_name', '')
 114
 115             # Handle project if used
 116             project = wsgi_request.POST.get('project', None)
 117             if project is not None and project != '':
 118                 authority_hrn = project
 119
 120             slice_request = {
 121                 'type'              : 'slice',
 122                 'id'                : None,
 123                 'user_hrn'          : user_hrn,
 124                 'email'             : user_email,
 125                 'timestamp'         : time.time(),
 126                 'authority_hrn'     : authority_hrn,
 127                 'organization'      : wsgi_request.POST.get('org_name', ''),
 128                 'slice_name'        : wsgi_request.POST.get('slice_name', ''),
 129                 'url'               : wsgi_request.POST.get('url', ''),
 130                 'purpose'           : wsgi_request.POST.get('purpose', ''),
 131                 'current_site'      : current_site
 132             }
 133
 134             # create slice_hrn based on authority_hrn and slice_name
 135             slice_name = slice_request['slice_name']
 136             req_slice_hrn = authority_hrn + '.' + slice_name
 137             # comparing requested slice_hrn with the existing slice_hrn
 138             slice_query  = Query().get('myslice:slice').select('slice_hrn','parent_authority').filter_by('parent_authority','==',authority_hrn)
 139             slice_details_sfa = execute_admin_query(wsgi_request, slice_query)
 140             for _slice in slice_details_sfa:
 141                 if _slice['slice_hrn'] == req_slice_hrn:
 142                     errors.append('Slice already exists. Please use a different slice name.')
 143
 144
 145             # What kind of slice name is valid?
 146             if (slice_name is None or slice_name == ''):
 147                 errors.append('Slice name is mandatory')
 148
 149             if (re.search(r'^[A-Za-z0-9_]*$', slice_name) == None):
 150                 errors.append('Slice name may contain only letters, numbers, and underscore.')
 151
 152             organization = slice_request['organization']
 153             if theme.theme == 'fed4fire':
 154                 if (organization is None or organization == ''):
 155                     errors.append('Selecting project is mandatory')
 156             else:
 157                 if (organization is None or organization == ''):
 158                     errors.append('Organization is mandatory')
 159
 160             slice_length= len(slice_request['slice_name'])
 161             if slice_length >19:
 162                 errors.append('Slice name can be maximum 19 characters long')
 163
 164
 165
 166             purpose = slice_request['purpose']
 167             if (purpose is None or purpose == ''):
 168                 errors.append('Experiment purpose is mandatory')
 169
 170             url = slice_request['url']
 171
 172             if not errors:
 173                 if is_pi(wsgi_request, user_hrn, authority_hrn):
 174                     # PIs can directly create slices in their own authority...
 175                     create_slice(wsgi_request, slice_request)
 176                     clear_user_creds(wsgi_request, user_email)
 177                     self.template_name = 'slice-request-done-view.html'
 178                 else:
 179                     # Otherwise a wsgi_request is sent to the PI
 180                     create_pending_slice(wsgi_request, slice_request, user_email)
 181                     self.template_name = 'slice-request-ack-view.html'
 182
 183                 # log user activity
 184                 activity.user.slice(wsgi_request)
 185
 186                 return render(wsgi_request, self.template, {'theme': self.theme}) # Redirect after POST
 187         else:
 188             slice_request = {}
 189
 190         template_env = {
 191             'username': wsgi_request.user.email,
 192             'topmenu_items': topmenu_items_live('Request a slice', page),
 193             'errors': errors,
 194             'slice_name': slice_name,
 195             'purpose': purpose,
 196             'email': user_email,
 197             'user_hrn': user_hrn,
 198             'url': url,
 199             'pi': pi,
 200             'authority_name': authority_name,
 201             'authority_hrn': user_authority,
 202             'cc_myself': True,
 203             'authorities': authorities,
 204             'theme': self.theme,
 205             'section': "Slice request"
 206         }
 207         template_env.update(slice_request)
 208         template_env.update(page.prelude_env())
 209         return render(wsgi_request, self.template, template_env)