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