portal/registrationview.py

   1 import os.path, re
   2 import json
   3 from random import randint
   4
   5 from django.core.mail           import send_mail
   6 from django.views.generic       import View
   7 from django.template.loader     import render_to_string
   8 from django.shortcuts           import render
   9 from django.contrib.auth        import get_user_model
  10
  11 from unfold.page                import Page
  12 from unfold.loginrequired       import FreeAccessView
  13 from ui.topmenu                 import topmenu_items_live
  14
  15 from manifoldapi.manifoldapi    import execute_admin_query
  16 from manifold.core.query        import Query
  17
  18 from portal.models              import PendingUser
  19 from portal.actions             import create_pending_user
  20
  21 from theme import ThemeView
  22
  23 # since we inherit from FreeAccessView we cannot redefine 'dispatch'
  24 # so let's override 'get' and 'post' instead
  25 #
  26 class RegistrationView (FreeAccessView, ThemeView):
  27     template_name = 'registration_view.html'
  28
  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
  40         authorities_query = Query.get('authority').select('name', 'authority_hrn')
  41         authorities = execute_admin_query(wsgi_request, authorities_query)
  42         if authorities is not None:
  43             authorities = sorted(authorities)
  44
  45         # xxx tocheck - if authorities is empty, it's no use anyway
  46         # (users won't be able to validate the form anyway)
  47
  48         # Who am I ?
  49         user_query  = Query().get('local:user').select('user_id','email')
  50         user_details = execute_admin_query(wsgi_request, user_query)
  51
  52         # Page rendering
  53         page = Page(wsgi_request)
  54         page.add_js_files  ( [ "js/jquery.validate.js", "js/my_account.register.js" ] )
  55         page.add_css_files ( [ "css/onelab.css", "css/registration.css" ] )
  56         page.add_css_files ( [ "http://code.jquery.com/ui/1.10.3/themes/smoothness/jquery-ui.css" ] )
  57
  58         if method == 'POST':
  59             # The form has been submitted
  60
  61             user_request = {
  62                 'first_name'    : wsgi_request.POST.get('firstname',     ''),
  63                 'last_name'     : wsgi_request.POST.get('lastname',      ''),
  64                 'authority_hrn' : wsgi_request.POST.get('authority_hrn', ''),
  65                 'email'         : wsgi_request.POST.get('email',         '').lower(),
  66                 'password'      : wsgi_request.POST.get('password',      ''),
  67             }
  68
  69             # Construct user_hrn from email (XXX Should use common code)
  70             split_email = user_request['email'].split("@")[0]
  71             split_email = split_email.replace(".", "_")
  72             user_request['user_hrn'] = user_request['authority_hrn'] \
  73                      + '.' + split_email + str(randint(1,1000000))
  74
  75             # Validate input
  76             UserModel = get_user_model()
  77             if (re.search(r'^[\w+\s.@+-]+$', user_request['first_name']) == None):
  78                 errors.append('First Name may contain only letters, numbers, spaces and @/./+/-/_ characters.')
  79             if (re.search(r'^[\w+\s.@+-]+$', user_request['last_name']) == None):
  80                 errors.append('Last Name may contain only letters, numbers, spaces and @/./+/-/_ characters.')
  81             # checking in django_db !!
  82             if PendingUser.objects.filter(email__iexact = user_request['email']):
  83                 errors.append('Email is pending for validation. Please provide a new email address.')
  84             if UserModel._default_manager.filter(email__iexact = user_request['email']):
  85                 errors.append('This email is not usable. Please contact the administrator or try with another email.')
  86             for user_detail in user_details:
  87                 if user_detail['email'] == user_request['email']:
  88                     errors.append('Email already registered in Manifold. Please provide a new email address.')
  89
  90             # XXX TODO: Factorize with portal/accountview.py
  91             if 'generate' in wsgi_request.POST['question']:
  92                 user_request['auth_type'] = 'managed'
  93
  94                 # XXX Common code, dependency ?
  95                 from Crypto.PublicKey import RSA
  96                 private = RSA.generate(1024)
  97
  98                 # Example: private_key = '-----BEGIN RSA PRIVATE KEY-----\nMIIC...'
  99                 # Example: public_key = 'ssh-rsa AAAAB3...'
 100                 user_request['private_key'] = private.exportKey()
 101                 user_request['public_key']  = private.publickey().exportKey(format='OpenSSH')
 102
 103             else:
 104                 user_request['auth_type'] = 'user'
 105
 106                 up_file        = wsgi_request.FILES['user_public_key']
 107
 108                 file_content   = up_file.read().strip()
 109                 file_name      = up_file.name
 110                 file_extension = os.path.splitext(file_name)[1]
 111
 112                 ALLOWED_EXTENSIONS =  ['.pub','.txt']
 113                 if file_extension not in ALLOWED_EXTENSIONS or not re.search(r'ssh-rsa',file_content):
 114                     errors.append('Please upload a valid RSA public key.')
 115
 116                 user_request['private_key'] = None
 117                 user_request['public_key']  = file_content
 118
 119             if not errors:
 120                 create_pending_user(wsgi_request, user_request, user_detail)
 121                 self.template_name = 'user_register_complete.html'
 122                 return render(wsgi_request, self.template, {'theme': self.theme})
 123
 124         else:
 125             user_request = {}
 126
 127         template_env = {
 128           'topmenu_items': topmenu_items_live('Register', page),
 129           'errors': errors,
 130           'authorities': authorities,
 131           'theme': self.theme
 132           }
 133         template_env.update(user_request)
 134         template_env.update(page.prelude_env ())
 135         return render(wsgi_request, self.template,template_env)