portal/slicerequestview.py

   1 import json
   2 import time
   3 import re
   4
   5 from django.shortcuts           import render
   6 from django.contrib.sites.models import Site
   7
   8 from unfold.page                import Page
   9
  10 from manifold.core.query        import Query
  11 from manifoldapi.manifoldapi    import execute_admin_query, execute_query
  12
  13 from portal.actions             import is_pi, create_slice, create_pending_slice, clear_user_creds, authority_check_pis
  14 #from portal.forms               import SliceRequestForm
  15 from unfold.loginrequired       import LoginRequiredAutoLogoutView
  16 from ui.topmenu                 import topmenu_items_live, the_user
  17
  18 from myslice.theme import ThemeView
  19 from myslice.settings import logger
  20
  21 import activity.user
  22 theme = ThemeView()
  23
  24 class SliceRequestView (LoginRequiredAutoLogoutView, ThemeView):
  25     template_name = 'slicerequest_view.html'
  26
  27     # because we inherit LoginRequiredAutoLogoutView that is implemented by redefining 'dispatch'
  28     # we cannot redefine dispatch here, or we'd lose LoginRequired and AutoLogout behaviours
  29     def post (self, request):
  30         return self.get_or_post (request, 'POST')
  31
  32     def get (self, request):
  33         return self.get_or_post (request, 'GET')
  34
  35     def get_or_post  (self, wsgi_request, method):
  36         """
  37         """
  38         errors = []
  39         slice_name =''
  40         purpose=''
  41         url=''
  42         authority_hrn = None
  43         authority_name = None
  44         # Retrieve the list of authorities
  45         authorities_query = Query.get('authority').select('name', 'authority_hrn')
  46         authorities = execute_admin_query(wsgi_request, authorities_query)
  47         if authorities is not None:
  48             authorities = sorted(authorities, key=lambda k: k['authority_hrn'])
  49             authorities = sorted(authorities, key=lambda k: k['name'])
  50
  51         # Get user_email (XXX Would deserve to be simplified)
  52         user_query  = Query().get('local:user').select('email','config')
  53         user_details = execute_query(wsgi_request, user_query)
  54         user_email = user_details[0].get('email')
  55         # getting user_hrn
  56         for user_detail in user_details:
  57             user_config = json.loads(user_detail['config'])
  58             user_authority = user_config.get('authority','N/A')
  59         # getting the org from authority
  60         for authority in authorities:
  61             if authority['authority_hrn'] == user_authority:
  62                 authority_name = authority['name']
  63
  64         # Handle the case when we use only hrn and not name
  65         if authority_name is None:
  66             authority_name = user_authority
  67
  68         account_query  = Query().get('local:account').select('user_id','platform_id','auth_type','config')
  69         account_details = execute_query(wsgi_request, account_query)
  70
  71         platform_query  = Query().get('local:platform').select('platform_id','platform','gateway_type','disabled')
  72         platform_details = execute_query(wsgi_request, platform_query)
  73         user_hrn = None
  74         #getting user_hrn from local:account
  75         for account_detail in account_details:
  76             for platform_detail in platform_details:
  77                 if platform_detail['platform_id'] == account_detail['platform_id']:
  78                     # taking user_hrn only from myslice account
  79                     # NOTE: we should later handle accounts filter_by auth_type= managed OR user
  80                     if 'myslice' in platform_detail['platform']:
  81                         account_config = json.loads(account_detail['config'])
  82                         user_hrn = account_config.get('user_hrn','N/A')
  83         #                acc_auth_cred = account_config.get('delegated_authority_credentials','N/A')
  84
  85
  86         # checking if pi or not
  87         #if acc_auth_cred == {} or acc_auth_cred == 'N/A':
  88         #    pi = "is_not_pi"
  89         #else:
  90         #    pi = "is_pi"
  91
  92         pi = authority_check_pis (wsgi_request, user_email)
  93         logger.debug("SLICEREQUESTVIEW.PY -----  pi= {}".format(pi))
  94
  95         # Page rendering
  96         page = Page(wsgi_request)
  97         page.add_js_files  ( [ "js/jquery.validate.js", "js/jquery-ui.js" ] )
  98         page.add_css_files ( [ "css/jquery-ui.css" ] )
  99         page.expose_js_metadata()
 100
 101         if method == 'POST':
 102             # The form has been submitted
 103
 104             # get the domain url
 105             current_site = Site.objects.get_current()
 106             current_site = current_site.domain
 107
 108             # getting the authority_hrn from the selected organization
 109             for authority in authorities:
 110                 if authority['name'] == wsgi_request.POST.get('org_name', ''):
 111                     authority_hrn = authority['authority_hrn']
 112
 113             # Handle the case when we use only hrn and not name
 114             if authority_hrn is None:
 115                 authority_hrn = wsgi_request.POST.get('org_name', '')
 116
 117             # Handle project if used
 118             project = wsgi_request.POST.get('project', None)
 119             if project is not None and project != '':
 120                 authority_hrn = project
 121
 122             slice_name = wsgi_request.POST.get('slice_name', '')
 123             if not slice_name or len(slice_name) == 0 :
 124                 errors.append('Slice name can\'t be empty')
 125
 126             # accept only lowercase names
 127             slice_name = slice_name.lower()
 128
 129             slice_request = {
 130                 'type'              : 'slice',
 131                 'id'                : None,
 132                 'user_hrn'          : user_hrn,
 133                 'email'             : user_email,
 134                 'timestamp'         : time.time(),
 135                 'authority_hrn'     : authority_hrn,
 136                 'organization'      : wsgi_request.POST.get('org_name', ''),
 137                 'slice_name'        : slice_name,
 138                 'url'               : wsgi_request.POST.get('url', ''),
 139                 'purpose'           : wsgi_request.POST.get('purpose', ''),
 140                 'current_site'      : current_site
 141             }
 142
 143             # slice name is unique among all authorities
 144             slice_query = Query().get('myslice:slice').select('slice_hrn')
 145             slice_details_sfa = execute_admin_query(wsgi_request, slice_query)
 146             for _slice in slice_details_sfa:
 147                 split_list = _slice['slice_hrn'].split('.')
 148                 sfa_slice_name = split_list[-1]
 149                 if sfa_slice_name == slice_name:
 150                     errors.append('Slice already exists. Please use a different slice name.')
 151
 152
 153             # What kind of slice name is valid?
 154             if slice_name is None or slice_name == '':
 155                 errors.append('Slice name is mandatory')
 156
 157             if re.search(r'^[A-Za-z0-9_]*$', slice_name) is None:
 158                 errors.append('Slice name may contain only letters, numbers, and underscore.')
 159
 160             organization = slice_request['organization']
 161             if theme.theme == 'fed4fire':
 162                 if organization is None or organization == '':
 163                     errors.append('Selecting project is mandatory')
 164             else:
 165                 if organization is None or organization == '':
 166                     errors.append('Organization is mandatory')
 167
 168             slice_length= len(slice_request['slice_name'])
 169             if slice_length >19:
 170                 errors.append('Slice name can be maximum 19 characters long')
 171
 172
 173
 174             purpose = slice_request['purpose']
 175             if purpose is None or purpose == '':
 176                 errors.append('Experiment purpose is mandatory')
 177
 178             url = slice_request['url']
 179
 180             if not errors:
 181                 if is_pi(wsgi_request, user_hrn, authority_hrn):
 182                     # PIs can directly create slices in their own authority...
 183                     create_slice(wsgi_request, slice_request)
 184                     clear_user_creds(wsgi_request, user_email)
 185                     self.template_name = 'slice-request-done-view.html'
 186                 else:
 187                     # Otherwise a wsgi_request is sent to the PI
 188                     create_pending_slice(wsgi_request, slice_request, user_email)
 189                     self.template_name = 'slice-request-ack-view.html'
 190
 191                 # log user activity
 192                 activity.user.slice(wsgi_request)
 193
 194                 return render(wsgi_request, self.template, {'theme': self.theme}) # Redirect after POST
 195         else:
 196             slice_request = {}
 197
 198         template_env = {
 199             'username': wsgi_request.user.email,
 200             'topmenu_items': topmenu_items_live('Request a slice', page),
 201             'errors': errors,
 202             'slice_name': slice_name,
 203             'purpose': purpose,
 204             'email': user_email,
 205             'user_hrn': user_hrn,
 206             'url': url,
 207             'pi': pi,
 208             'authority_name': authority_name,
 209             'authority_hrn': user_authority,
 210             'cc_myself': True,
 211             'authorities': authorities,
 212             'theme': self.theme,
 213             'section': "Slice request"
 214         }
 215         template_env.update(slice_request)
 216         template_env.update(page.prelude_env())
 217         return render(wsgi_request, self.template, template_env)