portal/accountview.py

   1 #
   2 import json, os, re, itertools, time
   3 from OpenSSL import crypto
   4 from Crypto.PublicKey import RSA
   5
   6 #
   7 from django.http                        import HttpResponse, HttpResponseRedirect
   8 from django.contrib                     import messages
   9 from django.contrib.auth.decorators     import login_required
  10
  11 #
  12 from manifold.core.query                import Query
  13 from manifoldapi.manifoldapi            import execute_query
  14
  15 from unfold.loginrequired               import LoginRequiredAutoLogoutView
  16 from unfold.page                        import Page
  17 from ui.topmenu                         import topmenu_items_live, the_user
  18
  19 from portal.actions                     import (
  20     manifold_update_user, manifold_update_account, manifold_add_account,
  21     manifold_delete_account, sfa_update_user, sfa_get_user, clear_user_creds, get_myslice_account, get_myslice_platform, get_registry_url, get_jfed_identity )
  22 from portal.account                     import Account, get_expiration
  23
  24 from myslice.settings                   import logger
  25 from myslice.configengine               import ConfigEngine
  26 from myslice.theme                      import ThemeView
  27
  28 # requires login
  29 class AccountView(LoginRequiredAutoLogoutView, ThemeView):
  30     template_name = "account-view.html"
  31     def dispatch(self, *args, **kwargs):
  32         return super(AccountView, self).dispatch(*args, **kwargs)
  33
  34
  35     def get_context_data(self, **kwargs):
  36         self.template_name = self.template
  37         page = Page(self.request)
  38         metadata = page.get_metadata()
  39         page.expose_js_metadata()
  40
  41         page.add_js_files  ( [ "js/jquery.validate.js", "js/my_account.register.js",
  42                                "js/my_account.edit_profile.js","js/jquery-ui.js" ] )
  43         page.add_css_files ( [ "css/onelab.css", "css/account_view.css","css/plugin.css" ] )
  44
  45         # Execute a Query to delegate credentials if necessary
  46         #sfa_user_query  = Query().get('myslice:user').select('user_hrn').filter_by('user_hrn','==','$user_hrn')
  47         #sfa_user_result = execute_query(self.request, sfa_user_query)
  48
  49         user_query  = Query().get('local:user').select('config','email','status')
  50         user_details = execute_query(self.request, user_query)
  51
  52         # not always found in user_details...
  53         config={}
  54         for user_detail in user_details:
  55             # different significations of user_status
  56             if user_detail['status'] == 0:
  57                 user_status = 'Disabled'
  58             elif user_detail['status'] == 1:
  59                 user_status = 'Validation Pending'
  60             elif user_detail['status'] == 2:
  61                 user_status = 'Enabled'
  62             else:
  63                 user_status = 'N/A'
  64             #email = user_detail['email']
  65             if user_detail['config']:
  66                 config = json.loads(user_detail['config'])
  67
  68         platform_query  = Query().get('local:platform').select('platform_id','platform','gateway_type','disabled')
  69         account_query  = Query().get('local:account').select('user_id','platform_id','auth_type','config')
  70         platform_details = execute_query(self.request, platform_query)
  71         account_details = execute_query(self.request, account_query)
  72
  73         # initial assignment needed for users having account.config = {}
  74         platform_name = ''
  75         account_type = ''
  76         account_usr_hrn = ''
  77         account_pub_key = ''
  78         account_priv_key = ''
  79         account_reference = ''
  80         my_users = ''
  81         my_slices = ''
  82         my_auths = ''
  83         ref_acc_list = ''
  84         principal_acc_list = ''
  85         user_status_list = []
  86         platform_name_list = []
  87         platform_name_secondary_list = []
  88         platform_access_list = []
  89         platform_no_access_list = []
  90         total_platform_list = []
  91         account_type_list = []
  92         account_type_secondary_list = []
  93         account_reference_list = []
  94         delegation_type_list = []
  95         user_cred_exp_list = []
  96         slice_list = []
  97         auth_list = []
  98         slice_cred_exp_list = []
  99         auth_cred_exp_list = []
 100         usr_hrn_list = []
 101         pub_key_list = []
 102
 103         for platform_detail in platform_details:
 104             if 'sfa' in platform_detail['gateway_type']:
 105                 total_platform = platform_detail['platform']
 106                 total_platform_list.append(total_platform)
 107
 108             for account_detail in account_details:
 109                 if platform_detail['platform_id'] == account_detail['platform_id']:
 110                     platform_name = platform_detail['platform']
 111                     if 'config' in account_detail and account_detail['config'] is not '':
 112                         account_config = json.loads(account_detail['config'])
 113                         account_usr_hrn = account_config.get('user_hrn','N/A')
 114                         account_pub_key = account_config.get('user_public_key','N/A')
 115                         account_reference = account_config.get ('reference_platform','N/A')
 116                     # credentials of myslice platform
 117                     if 'myslice' in platform_detail['platform']:
 118                         acc_user_cred = account_config.get('delegated_user_credential','N/A')
 119                         acc_slice_cred = account_config.get('delegated_slice_credentials','N/A')
 120                         acc_auth_cred = account_config.get('delegated_authority_credentials','N/A')
 121
 122                         if 'N/A' not in acc_user_cred:
 123                             exp_date = re.search('<expires>(.*)</expires>', acc_user_cred)
 124                             if exp_date:
 125                                 user_exp_date = exp_date.group(1)
 126                                 user_cred_exp_list.append(user_exp_date)
 127
 128                             my_users = [{'cred_exp': t[0]}
 129                                 for t in zip(user_cred_exp_list)]
 130
 131
 132                         if 'N/A' not in acc_slice_cred:
 133                             for key, value in acc_slice_cred.iteritems():
 134                                 slice_list.append(key)
 135                                 # get cred_exp date
 136                                 exp_date = re.search('<expires>(.*)</expires>', value)
 137                                 if exp_date:
 138                                     exp_date = exp_date.group(1)
 139                                     slice_cred_exp_list.append(exp_date)
 140
 141                             my_slices = [{'slice_name': t[0], 'cred_exp': t[1]}
 142                                 for t in zip(slice_list, slice_cred_exp_list)]
 143
 144                         if 'N/A' not in acc_auth_cred:
 145                             for key, value in acc_auth_cred.iteritems():
 146                                 auth_list.append(key)
 147                                 #get cred_exp date
 148                                 exp_date = re.search('<expires>(.*)</expires>', value)
 149                                 if exp_date:
 150                                     exp_date = exp_date.group(1)
 151                                     auth_cred_exp_list.append(exp_date)
 152
 153                             my_auths = [{'auth_name': t[0], 'cred_exp': t[1]}
 154                                 for t in zip(auth_list, auth_cred_exp_list)]
 155
 156
 157                     # for reference accounts
 158                     if 'reference' in account_detail['auth_type']:
 159                         account_type = 'Reference'
 160                         delegation = 'N/A'
 161                         platform_name_secondary_list.append(platform_name)
 162                         account_type_secondary_list.append(account_type)
 163                         account_reference_list.append(account_reference)
 164                         ref_acc_list = [{'platform_name': t[0], 'account_type': t[1], 'account_reference': t[2]}
 165                             for t in zip(platform_name_secondary_list, account_type_secondary_list, account_reference_list)]
 166
 167                     elif 'managed' in account_detail['auth_type']:
 168                         account_type = 'Principal'
 169                         delegation = 'Automatic'
 170                     else:
 171                         account_type = 'Principal'
 172                         delegation = 'Manual'
 173                     # for principal (auth_type=user/managed) accounts
 174                     if 'reference' not in account_detail['auth_type']:
 175                         platform_name_list.append(platform_name)
 176                         account_type_list.append(account_type)
 177                         delegation_type_list.append(delegation)
 178                         usr_hrn_list.append(account_usr_hrn)
 179                         pub_key_list.append(account_pub_key)
 180                         user_status_list.append(user_status)
 181                         # combining 5 lists into 1 [to render in the template]
 182                         principal_acc_list = [
 183                             {'platform_name' : pn, 'account_type' : at,
 184                              'delegation_type' : dt, 'usr_hrn' : uh,
 185                              'usr_pubkey' : up, 'user_status' : us,}
 186                             for pn, at, dt, uh, up, us in zip(platform_name_list, account_type_list, delegation_type_list,
 187                                          usr_hrn_list, pub_key_list, user_status_list)
 188                         ]
 189                     # to hide private key row if it doesn't exist
 190                     if 'myslice' in platform_detail['platform']:
 191                         account_config = json.loads(account_detail['config'])
 192                         account_priv_key = account_config.get('user_private_key','N/A')
 193                     if 'sfa' in platform_detail['gateway_type']:
 194                         platform_access = platform_detail['platform']
 195                         platform_access_list.append(platform_access)
 196
 197         # Removing the platform which already has access
 198         for platform in platform_access_list:
 199             total_platform_list.remove(platform)
 200         # we could use zip. this one is used if columns have unequal rows
 201         platform_list = [{'platform_no_access': t[0]}
 202             for t in itertools.izip_longest(total_platform_list)]
 203
 204
 205         ## check user is pi or not
 206       #  platform_query  = Query().get('local:platform').select('platform_id','platform','gateway_type','disabled')
 207       #  account_query  = Query().get('local:account').select('user_id','platform_id','auth_type','config')
 208       #  platform_details = execute_query(self.request, platform_query)
 209       #  account_details = execute_query(self.request, account_query)
 210       #  for platform_detail in platform_details:
 211       #      for account_detail in account_details:
 212       #          if platform_detail['platform_id'] == account_detail['platform_id']:
 213       #              if 'config' in account_detail and account_detail['config'] is not '':
 214       #                  account_config = json.loads(account_detail['config'])
 215       #                  if 'myslice' in platform_detail['platform']:
 216       #                      acc_auth_cred = account_config.get('delegated_authority_credentials','N/A')
 217         # assigning values
 218         if acc_auth_cred == {} or acc_auth_cred == 'N/A':
 219             pi = "is_not_pi"
 220         else:
 221             pi = "is_pi"
 222
 223         # check if the user has creds or not
 224         if acc_user_cred == {} or acc_user_cred == 'N/A':
 225             user_cred = 'no_creds'
 226         else:
 227             exp_date = get_expiration(acc_user_cred, 'timestamp')
 228             if exp_date < time.time():
 229                 user_cred = 'creds_expired'
 230             else:
 231                 user_cred = 'has_creds'
 232
 233         context = super(AccountView, self).get_context_data(**kwargs)
 234         context['principal_acc'] = principal_acc_list
 235         context['ref_acc'] = ref_acc_list
 236         context['platform_list'] = platform_list
 237         context['my_users'] = my_users
 238         context['pi'] = pi
 239         context['user_cred'] = user_cred
 240         context['my_slices'] = my_slices
 241         context['my_auths'] = my_auths
 242         context['user_status'] = user_status
 243         context['person']   = self.request.user
 244         context['firstname'] = config.get('firstname',"?")
 245         context['lastname'] = config.get('lastname',"?")
 246         context['fullname'] = context['firstname'] +' '+ context['lastname']
 247         context['authority'] = config.get('authority',"Unknown Authority")
 248         context['user_private_key'] = account_priv_key
 249
 250         # XXX This is repeated in all pages
 251         # more general variables expected in the template
 252         context['title'] = 'Platforms connected to MySlice'
 253         # the menu items on the top
 254         context['topmenu_items'] = topmenu_items_live('My Account', page)
 255         # so we can sho who is logged
 256         context['username'] = the_user(self.request)
 257         context['theme'] = self.theme
 258         context['section'] = "User account"
 259 #        context ['firstname'] = config['firstname']
 260         prelude_env = page.prelude_env()
 261         context.update(prelude_env)
 262         return context
 263
 264 @login_required
 265 def account_process(request):
 266     from sfa.trust.credential               import Credential
 267     from sfa.trust.certificate              import Keypair
 268
 269     user_query  = Query().get('local:user').select('user_id','email','password','config')
 270     user_details = execute_query(request, user_query)
 271
 272     account_query  = Query().get('local:account').select('user_id','platform_id','auth_type','config')
 273     account_details = execute_query(request, account_query)
 274
 275     platform_query  = Query().get('local:platform').select('platform_id','platform')
 276     platform_details = execute_query(request, platform_query)
 277
 278     # getting the user_id from the session
 279     for user_detail in user_details:
 280         user_id = user_detail['user_id']
 281         user_email = user_detail['email']
 282         try:
 283             if user_email == request.user.email:
 284                 authorize_query = True
 285             else:
 286                 logger.error("SECURITY: {} tried to update {}".format(user_email, request.user.email))
 287                 messages.error(request, 'You are not authorized to modify another user.')
 288                 return HttpResponseRedirect("/portal/account/")
 289         except Exception as e:
 290             logger.error("exception in account_process {}".format(e))
 291
 292     for account_detail in account_details:
 293         for platform_detail in platform_details:
 294             # Add reference account to the platforms
 295             if 'add_'+platform_detail['platform'] in request.POST\
 296                or request.POST['button_value'] == 'add_'+platform_detail['platform']:
 297                 platform_id = platform_detail['platform_id']
 298                 user_params = {'platform_id': platform_id, 'user_id': user_id,
 299                                'auth_type': "reference",
 300                                'config': '{"reference_platform": "myslice"}'}
 301                 manifold_add_account(request,user_params)
 302                 messages.info(request, 'Reference Account is added to the selected platform successfully!')
 303                 return HttpResponseRedirect("/portal/account/")
 304
 305             # Delete reference account from the platforms
 306             if 'delete_'+platform_detail['platform'] in request.POST\
 307                or request.POST['button_value'] == 'delete_'+platform_detail['platform']:
 308                 platform_id = platform_detail['platform_id']
 309                 user_params = {'user_id':user_id}
 310                 manifold_delete_account(request,platform_id, user_id, user_params)
 311                 messages.info(request, 'Reference Account is removed from the selected platform')
 312                 return HttpResponseRedirect("/portal/account/")
 313
 314             if platform_detail['platform_id'] == account_detail['platform_id']:
 315                 if 'myslice' in platform_detail['platform']:
 316                     account_config = json.loads(account_detail['config'])
 317                     acc_slice_cred = account_config.get('delegated_slice_credentials','N/A')
 318                     acc_auth_cred = account_config.get('delegated_authority_credentials','N/A')
 319
 320
 321
 322
 323     # adding the slices and corresponding credentials to list
 324     if 'N/A' not in acc_slice_cred:
 325         slice_list = []
 326         slice_cred = []
 327         for key, value in acc_slice_cred.iteritems():
 328             slice_list.append(key)
 329             slice_cred.append(value)
 330         # special case: download each slice credentials separately
 331         for i in range(0, len(slice_list)):
 332             if 'dl_'+slice_list[i] in request.POST or request.POST['button_value'] == 'dl_'+slice_list[i]:
 333                 slice_detail = "Slice name: " + slice_list[i] +"\nSlice Credentials: \n"+ slice_cred[i]
 334                 response = HttpResponse(slice_detail, content_type='text/plain')
 335                 response['Content-Disposition'] = 'attachment; filename="slice_credential.txt"'
 336                 return response
 337
 338     # adding the authority and corresponding credentials to list
 339     if 'N/A' not in acc_auth_cred:
 340         auth_list = []
 341         auth_cred = []
 342         for key, value in acc_auth_cred.iteritems():
 343             auth_list.append(key)
 344             auth_cred.append(value)
 345         # special case: download each slice credentials separately
 346         for i in range(0, len(auth_list)):
 347             if 'dl_'+auth_list[i] in request.POST or request.POST['button_value'] == 'dl_'+auth_list[i]:
 348                 auth_detail = "Authority: " + auth_list[i] +"\nAuthority Credentials: \n"+ auth_cred[i]
 349                 response = HttpResponse(auth_detail, content_type='text/plain')
 350                 response['Content-Disposition'] = 'attachment; filename="auth_credential.txt"'
 351                 return response
 352
 353     account_detail = get_myslice_account(request)
 354
 355     if 'submit_name' in request.POST:
 356         edited_first_name =  request.POST['fname']
 357         edited_last_name =  request.POST['lname']
 358
 359         config={}
 360         for user_config in user_details:
 361             if user_config['config']:
 362                 config = json.loads(user_config['config'])
 363                 config['firstname'] = edited_first_name
 364                 config['lastname'] = edited_last_name
 365                 config['authority'] = config.get('authority','Unknown Authority')
 366                 updated_config = json.dumps(config)
 367                 user_params = {'config': updated_config}
 368             else: # it's needed if the config is empty
 369                 user_config['config'] = '{{"firstname":"{}", "lastname":"{}", "authority": "Unknown Authority"}}'\
 370                                         .format(edited_first_name, edited_last_name)
 371                 user_params = {'config': user_config['config']}
 372         # updating config local:user in manifold
 373         manifold_update_user(request, request.user.email,user_params)
 374         # this will be depricated, we will show the success msg in same page
 375         # Redirect to same page with success message
 376         messages.success(request, 'Sucess: First Name and Last Name Updated.')
 377         return HttpResponseRedirect("/portal/account/")
 378
 379     elif 'submit_pass' in request.POST:
 380         edited_password = request.POST['password']
 381
 382         for user_pass in user_details:
 383             user_pass['password'] = edited_password
 384         #updating password in local:user
 385         user_params = { 'password' : user_pass['password']}
 386         manifold_update_user(request, request.user.email, user_params)
 387 #        return HttpResponse('Success: Password Changed!!')
 388         messages.success(request, 'Success: Password Updated.')
 389         return HttpResponseRedirect("/portal/account/")
 390
 391 # XXX TODO: Factorize with portal/registrationview.py
 392 # XXX TODO: Factorize with portal/registrationview.py
 393 # XXX TODO: Factorize with portal/joinview.py
 394
 395     elif 'generate' in request.POST:
 396         try:
 397             private = RSA.generate(1024)
 398             private_key = json.dumps(private.exportKey())
 399             public  = private.publickey()
 400             public_key = json.dumps(public.exportKey(format='OpenSSH'))
 401             # updating manifold local:account table
 402             account_config = json.loads(account_detail['config'])
 403             # preserving user_hrn
 404             user_hrn = account_config.get('user_hrn','N/A')
 405             keypair = '{"user_public_key":'+ public_key + ', "user_private_key":'+ private_key + ', "user_hrn":"'+ user_hrn + '"}'
 406             #updated_config = json.dumps(account_config)
 407             # updating manifold
 408             #user_params = { 'config': keypair, 'auth_type':'managed'}
 409             #manifold_update_account(request, user_id, user_params)
 410             # updating sfa
 411             public_key = public_key.replace('"', '');
 412             user_pub_key = {'keys': public_key}
 413
 414             sfa_update_user(request, user_hrn, user_pub_key)
 415             result_sfa_user = sfa_get_user(request, user_hrn, public_key)
 416             try:
 417                 if 'keys' in result_sfa_user and result_sfa_user['keys'][0] == public_key:
 418                     # updating manifold
 419                     updated_config = json.dumps(account_config)
 420                     user_params = { 'config': keypair, 'auth_type':'managed'}
 421                     manifold_update_account(request, user_id, user_params)
 422                     messages.success(request, 'Sucess: New Keypair Generated! Delegation of your credentials will be automatic.')
 423                 else:
 424                     raise Exception,"Keys are not matching"
 425             except Exception as e:
 426                 messages.error(request, 'Error: An error occured during the update of your public key at the Registry, or your public key is not matching the one stored.')
 427                 logger.error("Exception in accountview {}".format(e))
 428             return HttpResponseRedirect("/portal/account/")
 429         except Exception as e:
 430             messages.error(request, 'Account error: You need an account in myslice platform to perform this action')
 431             return HttpResponseRedirect("/portal/account/")
 432
 433     elif 'upload_key' in request.POST:
 434         try:
 435             up_file = request.FILES['pubkey']
 436             file_content =  up_file.read()
 437             file_name = up_file.name
 438             file_extension = os.path.splitext(file_name)[1]
 439             allowed_extension =  ['.pub','.txt']
 440             if file_extension in allowed_extension and re.search(r'ssh-rsa',file_content):
 441                 account_config = json.loads(account_detail['config'])
 442                 # preserving user_hrn
 443                 user_hrn = account_config.get('user_hrn','N/A')
 444                 file_content = '{"user_public_key":"'+ file_content + '", "user_hrn":"'+ user_hrn +'"}'
 445                 #file_content = re.sub("\r", "", file_content)
 446                 #file_content = re.sub("\n", "\\n",file_content)
 447                 file_content = ''.join(file_content.split())
 448                 #update manifold local:account table
 449                 user_params = { 'config': file_content, 'auth_type':'user'}
 450                 manifold_update_account(request, user_id, user_params)
 451                 # updating sfa
 452                 user_pub_key = {'keys': file_content}
 453                 sfa_update_user(request, user_hrn, user_pub_key)
 454                 messages.success(request, 'Publickey uploaded! Please delegate your credentials using SFA: http://trac.myslice.info/wiki/DelegatingCredentials')
 455                 return HttpResponseRedirect("/portal/account/")
 456             else:
 457                 messages.error(request, 'RSA key error: Please upload a valid RSA public key [.txt or .pub].')
 458                 return HttpResponseRedirect("/portal/account/")
 459
 460         except Exception as e:
 461             messages.error(request, 'Account error: You need an account in myslice platform to perform this action')
 462             return HttpResponseRedirect("/portal/account/")
 463
 464     elif 'dl_pubkey' in request.POST or request.POST['button_value'] == 'dl_pubkey':
 465         try:
 466             account_config = json.loads(account_detail['config'])
 467             public_key = account_config['user_public_key']
 468             response = HttpResponse(public_key, content_type='text/plain')
 469             response['Content-Disposition'] = 'attachment; filename="pubkey.txt"'
 470             return response
 471         except Exception as e:
 472             messages.error(request, 'Account error: You need an account in myslice platform to perform this action')
 473             return HttpResponseRedirect("/portal/account/")
 474
 475     elif 'dl_pkey' in request.POST or request.POST['button_value'] == 'dl_pkey':
 476         try:
 477             account_config = json.loads(account_detail['config'])
 478             if 'user_private_key' in account_config:
 479                 private_key = account_config['user_private_key']
 480                 response = HttpResponse(private_key, content_type='text/plain')
 481                 response['Content-Disposition'] = 'attachment; filename="privkey.txt"'
 482                 return response
 483             else:
 484                 messages.error(request, 'Download error: Private key is not stored in the server')
 485                 return HttpResponseRedirect("/portal/account/")
 486
 487         except Exception as e:
 488             messages.error(request, 'Account error: You need an account in myslice platform to perform this action')
 489             return HttpResponseRedirect("/portal/account/")
 490
 491     elif 'delete' in request.POST or request.POST['button_value'] == 'delete':
 492         try:
 493             account_config = json.loads(account_detail['config'])
 494             if 'user_private_key' in account_config:
 495                 for key in account_config.keys():
 496                     if key == 'user_private_key':
 497                         del account_config[key]
 498
 499                 updated_config = json.dumps(account_config)
 500                 user_params = { 'config': updated_config, 'auth_type':'user'}
 501                 manifold_update_account(request, user_id, user_params)
 502                 messages.success(request, 'Private Key deleted. You need to delegate credentials manually once it expires.')
 503                 messages.success(request, 'Once your credentials expire, Please delegate manually using SFA: http://trac.myslice.info/wiki/DelegatingCredentials')
 504                 return HttpResponseRedirect("/portal/account/")
 505             else:
 506                 messages.error(request, 'Delete error: Private key is not stored in the server')
 507                 return HttpResponseRedirect("/portal/account/")
 508
 509         except Exception as e:
 510             messages.error(request, 'Account error: You need an account in myslice platform to perform this action')
 511             return HttpResponseRedirect("/portal/account/")
 512
 513     # download identity for jfed
 514     elif 'dl_identity' in request.POST or request.POST['button_value'] == 'dl_identity':
 515         try:
 516             jfed_identity = get_jfed_identity(request)
 517             if jfed_identity is not None:
 518                 response = HttpResponse(jfed_identity, content_type='text/plain')
 519                 response['Content-Disposition'] = 'attachment; filename="jfed_identity.txt"'
 520                 return response
 521             else:
 522                 messages.error(request, 'Download error: Private key is not stored in the server')
 523                 return HttpResponseRedirect("/portal/account/")
 524
 525         except Exception as e:
 526             messages.error(request, 'Account error: You need an account in myslice platform to perform this action')
 527             return HttpResponseRedirect("/portal/account/")
 528
 529     # Download sfi_config
 530     elif 'dl_sfi_config' in request.POST or request.POST['button_value'] == 'dl_sfi_config':
 531         platform_detail = get_myslice_platform(request)
 532         platform_config = json.loads(platform_detail['config'])
 533         account_detail = get_myslice_account(request)
 534         account_config = json.loads(account_detail['config'])
 535
 536         user_hrn = account_config.get('user_hrn','N/A')
 537         t_user_hrn = user_hrn.split('.')
 538         authority_hrn = t_user_hrn[0] + '.' + t_user_hrn[1]
 539         registry = get_registry_url(request)
 540         import socket
 541         hostname = socket.gethostbyaddr(socket.gethostname())[0]
 542         admin_user = platform_config.get('user','N/A')
 543         manifold_host = ConfigEngine().manifold_url()
 544         if 'localhost' in manifold_host:
 545             manifold_host = manifold_host.replace('localhost',hostname)
 546         sfi_config  = '[sfi]\n'
 547         sfi_config += 'auth = '+ authority_hrn +'\n'
 548         sfi_config += 'user = '+ user_hrn +'\n'
 549         sfi_config += 'registry = '+ registry +'\n'
 550         sfi_config += 'sm = http://sfa3.planet-lab.eu:12346/\n\n'
 551         sfi_config += '[myslice]\n'
 552         sfi_config += 'backend = '+ manifold_host +'\n'
 553         sfi_config += 'delegate  = '+ admin_user +'\n'
 554         sfi_config += 'platform  = myslice\n'
 555         sfi_config += 'username  = '+ user_email +'\n'
 556         response = HttpResponse(sfi_config, content_type='text/plain')
 557         response['Content-Disposition'] = 'attachment; filename="sfi_config"'
 558         return response
 559
 560     #clear all creds
 561     elif 'clear_cred' in request.POST or request.POST['button_value'] == 'clear_cred':
 562         try:
 563             result = clear_user_creds(request, user_email)
 564             if result is not None:
 565                 messages.success(request, 'All Credentials cleared')
 566             else:
 567                 messages.error(request, 'Delete error: Credentials are not stored in the server')
 568         except Exception as e:
 569             logger.error("Exception in accountview.py in clear_user_creds {}".format(e))
 570             messages.error(request, 'Account error: You need an account in myslice platform to perform this action')
 571         return HttpResponseRedirect("/portal/account/")
 572
 573     # Download delegated_user_cred
 574     elif 'dl_user_cred' in request.POST or request.POST['button_value'] == 'dl_user_cred':
 575         if 'delegated_user_credential' in account_config:
 576             user_cred = account_config['delegated_user_credential']
 577             response = HttpResponse(user_cred, content_type='text/plain')
 578             response['Content-Disposition'] = 'attachment; filename="user_cred.txt"'
 579             return response
 580         else:
 581             messages.error(request, 'Download error: User credential is not stored in the server')
 582             return HttpResponseRedirect("/portal/account/")
 583
 584     # Download user_cert
 585     elif 'dl_user_cert' in request.POST or request.POST['button_value'] == 'dl_user_cert':
 586         if 'user_credential' in account_config:
 587             user_cred = account_config['user_credential']
 588             obj_cred = Credential(string=user_cred)
 589             obj_gid = obj_cred.get_gid_object()
 590             str_cert = obj_gid.save_to_string()
 591             response = HttpResponse(str_cert, content_type='text/plain')
 592             response['Content-Disposition'] = 'attachment; filename="user_certificate.pem"'
 593             return response
 594
 595         elif 'delegated_user_credential' in account_config:
 596             user_cred = account_config['delegated_user_credential']
 597             obj_cred = Credential(string=user_cred)
 598             obj_gid = obj_cred.get_gid_object()
 599             str_cert = obj_gid.save_to_string()
 600             response = HttpResponse(str_cert, content_type='text/plain')
 601             response['Content-Disposition'] = 'attachment; filename="user_certificate.pem"'
 602             return response
 603         else:
 604             messages.error(request, 'Download error: User credential is not stored in the server')
 605             return HttpResponseRedirect("/portal/account/")
 606
 607     # Download user p12 = private_key + Certificate
 608     elif 'dl_user_p12' in request.POST or request.POST['button_value'] == 'dl_user_p12':
 609         if 'user_credential' in account_config and 'user_private_key' in account_config:
 610             user_cred = account_config['user_credential']
 611             obj_cred = Credential(string=user_cred)
 612             obj_gid = obj_cred.get_gid_object()
 613             str_cert = obj_gid.save_to_string()
 614             cert = crypto.load_certificate(crypto.FILETYPE_PEM, str_cert)
 615
 616             user_private_key = account_config['user_private_key'].encode('ascii')
 617             pkey = crypto.load_privatekey(crypto.FILETYPE_PEM, user_private_key)
 618
 619             p12 = crypto.PKCS12()
 620             p12.set_privatekey(pkey)
 621             p12.set_certificate(cert)
 622             pkcs12 = p12.export()
 623
 624             response = HttpResponse(pkcs12, content_type='text/plain')
 625             response['Content-Disposition'] = 'attachment; filename="user_pkcs.p12"'
 626             return response
 627
 628         elif 'delegated_user_credential' in account_config and 'user_private_key' in account_config:
 629             user_cred = account_config['delegated_user_credential']
 630             obj_cred = Credential(string=user_cred)
 631             obj_gid = obj_cred.get_gid_object()
 632             str_cert = obj_gid.save_to_string()
 633             cert = crypto.load_certificate(crypto.FILETYPE_PEM, str_cert)
 634
 635             user_private_key = account_config['user_private_key'].encode('ascii')
 636             pkey = crypto.load_privatekey(crypto.FILETYPE_PEM, user_private_key)
 637
 638             p12 = crypto.PKCS12()
 639             p12.set_privatekey(pkey)
 640             p12.set_certificate(cert)
 641             pkcs12 = p12.export()
 642
 643             response = HttpResponse(pkcs12, content_type='text/plain')
 644             response['Content-Disposition'] = 'attachment; filename="user_pkcs.p12"'
 645             return response
 646         else:
 647             messages.error(request, 'Download error: User private key or credential is not stored in the server')
 648             return HttpResponseRedirect("/portal/account/")
 649
 650     else:
 651         messages.info(request, 'Under Construction. Please try again later!')
 652         return HttpResponseRedirect("/portal/account/")
 653
 654