portal/registrationview.py

   1 import os.path, re
   2 import json
   3 from random     import randint
   4 from hashlib    import md5
   5
   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 from django.contrib.sites.models import Site
  11
  12 from unfold.page                import Page
  13 from unfold.loginrequired       import FreeAccessView
  14 from ui.topmenu                 import topmenu_items_live
  15
  16 from manifoldapi.manifoldapi    import execute_admin_query
  17 from manifold.core.query        import Query
  18
  19 from portal.models              import PendingUser
  20 from portal.actions             import create_pending_user
  21
  22 from myslice.theme import ThemeView
  23
  24 # since we inherit from FreeAccessView we cannot redefine 'dispatch'
  25 # so let's override 'get' and 'post' instead
  26 #
  27 class RegistrationView (FreeAccessView, ThemeView):
  28     template_name = 'registration_view.html'
  29
  30     def post (self, request):
  31         return self.get_or_post (request, 'POST')
  32
  33     def get (self, request):
  34         return self.get_or_post (request, 'GET')
  35
  36     def get_or_post(self, wsgi_request, method):
  37         """
  38         """
  39         errors = []
  40
  41         authorities_query = Query.get('authority').select('name', 'authority_hrn')
  42         authorities = execute_admin_query(wsgi_request, authorities_query)
  43         if authorities is not None:
  44             authorities = sorted(authorities)
  45
  46         # Page rendering
  47         page = Page(wsgi_request)
  48         page.add_js_files  ( [ "js/jquery.validate.js", "js/my_account.register.js" ] )
  49         page.add_css_files ( [ "css/onelab.css", "css/registration.css" ] )
  50         page.add_css_files ( [ "http://code.jquery.com/ui/1.10.3/themes/smoothness/jquery-ui.css" ] )
  51
  52         if method == 'POST':
  53             # The form has been submitted
  54
  55             # get the domain url
  56             current_site = Site.objects.get_current()
  57             current_site = current_site.domain
  58
  59             post_email = wsgi_request.POST.get('email','').lower()
  60             email_hash = md5(post_email).digest().encode('base64')[:-1]
  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'         : post_email,
  66                 'password'      : wsgi_request.POST.get('password',      ''),
  67                 'current_site'  : current_site,
  68                 'email_hash'    : email_hash,
  69                 'validation_link': 'http://' + current_site + '/portal/email_activation/'+ email_hash
  70             }
  71
  72             # Construct user_hrn from email (XXX Should use common code)
  73             split_email = user_request['email'].split("@")[0]
  74             split_email = split_email.replace(".", "_")
  75             user_request['user_hrn'] = user_request['authority_hrn'] \
  76                      + '.' + split_email
  77
  78             # Validate input
  79             UserModel = get_user_model()
  80             if (re.search(r'^[\w+\s.@+-]+$', user_request['first_name']) == None):
  81                 errors.append('First Name may contain only letters, numbers, spaces and @/./+/-/_ characters.')
  82             if (re.search(r'^[\w+\s.@+-]+$', user_request['last_name']) == None):
  83                 errors.append('Last Name may contain only letters, numbers, spaces and @/./+/-/_ characters.')
  84             # checking in django_db !!
  85             if PendingUser.objects.filter(email__iexact = user_request['email']):
  86                 errors.append('Email is pending for validation. Please provide a new email address.')
  87             if UserModel._default_manager.filter(email__iexact = user_request['email']):
  88                 errors.append('This email is not usable. Please contact the administrator or try with another email.')
  89             # Does the user exist in Manifold?
  90             user_query  = Query().get('local:user').select('user_id','email')
  91             user_details = execute_admin_query(wsgi_request, user_query)
  92             for user_detail in user_details:
  93                 if user_detail['email'] == user_request['email']:
  94                     errors.append('Email already registered in Manifold. Please provide a new email address.')
  95             # Does the user exist in sfa? [query is very slow!!]
  96             #user_query  = Query().get('user').select('user_hrn','user_email')
  97             # XXX Test based on the user_hrn is quick
  98             user_query  = Query().get('user').select('user_hrn','user_email').filter_by('user_hrn','==',user_request['user_hrn'])
  99             user_details_sfa = execute_admin_query(wsgi_request, user_query)
 100
 101             for user in user_details_sfa:
 102                 if user['user_email'] == user_request['email']:
 103                     errors.append('Email already registered in SFA registry. Please use another email.')
 104                 if user['user_hrn'] == user_request['user_hrn']:
 105                     # add random number if user_hrn already exists in the registry
 106                     user_request['user_hrn'] = user_request['authority_hrn'] \
 107                             + '.' + split_email + str(randint(1,1000000))
 108
 109             # XXX TODO: Factorize with portal/accountview.py
 110             if 'generate' in wsgi_request.POST['question']:
 111                 user_request['auth_type'] = 'managed'
 112
 113                 # XXX Common code, dependency ?
 114                 from Crypto.PublicKey import RSA
 115                 private = RSA.generate(1024)
 116
 117                 # Example: private_key = '-----BEGIN RSA PRIVATE KEY-----\nMIIC...'
 118                 # Example: public_key = 'ssh-rsa AAAAB3...'
 119                 user_request['private_key'] = private.exportKey()
 120                 user_request['public_key']  = private.publickey().exportKey(format='OpenSSH')
 121
 122             else:
 123                 user_request['auth_type'] = 'user'
 124
 125                 up_file        = wsgi_request.FILES['user_public_key']
 126
 127                 file_content   = up_file.read().strip()
 128                 file_name      = up_file.name
 129                 file_extension = os.path.splitext(file_name)[1]
 130
 131                 ALLOWED_EXTENSIONS =  ['.pub','.txt']
 132                 if file_extension not in ALLOWED_EXTENSIONS or not re.search(r'ssh-rsa',file_content):
 133                     errors.append('Please upload a valid RSA public key.')
 134
 135                 user_request['private_key'] = None
 136                 user_request['public_key']  = file_content
 137
 138             if not errors:
 139                 create_pending_user(wsgi_request, user_request, user_detail)
 140                 self.template_name = 'user_register_complete.html'
 141                 return render(wsgi_request, self.template, {'theme': self.theme})
 142
 143         else:
 144             user_request = {}
 145
 146         template_env = {
 147           'topmenu_items': topmenu_items_live('Register', page),
 148           'errors': errors,
 149           'authorities': authorities,
 150           'theme': self.theme
 151           }
 152         template_env.update(user_request)
 153         template_env.update(page.prelude_env ())
 154         return render(wsgi_request, self.template,template_env)