portal/actions.py

   1 from django.http                import HttpResponse
   2 from manifold.core.query        import Query
   3 from manifoldapi.manifoldapi    import execute_query,execute_admin_query
   4 from portal.models              import PendingUser, PendingSlice, PendingAuthority
   5 import json
   6
   7 from django.contrib.auth.models  import User
   8 from django.contrib.sites.models import Site
   9 from django.contrib.auth        import get_user_model
  10 from django.template.loader     import render_to_string
  11 from django.core.mail           import EmailMultiAlternatives, send_mail
  12
  13 from myslice.theme              import ThemeView
  14
  15 theme = ThemeView()
  16
  17 # Thierry: moving this right into the code so
  18 # most people can use myslice without having to install sfa
  19 # XXX tmp sfa dependency, should be moved to SFA gateway
  20 #from sfa.util.xrn                import Xrn
  21
  22
  23 # Get the list of authorities
  24
  25 def authority_get_pis(request, authority_hrn):
  26     query = Query.get('authority').filter_by('authority_hrn', '==', authority_hrn).select('pi_users')
  27     results = execute_admin_query(request, query)
  28     print "authority_get_pis = %s" % results
  29     # NOTE: temporarily commented. Because results is giving empty list.
  30     # Needs more debugging
  31     #if not results:
  32     #    raise Exception, "Authority not found: %s" % authority_hrn
  33     #result, = results
  34     #return result['pi_users']
  35     return results
  36
  37 def authority_get_pi_emails(request, authority_hrn):
  38     pi_users = authority_get_pis(request,authority_hrn)
  39     print "pi_users = %s" % pi_users
  40
  41     if any(pi['pi_users'] == None or not pi['pi_users']  for pi in pi_users):
  42         #theme.template_name = 'email_default_recipients.txt'
  43         #default_email = render_to_string(theme.template, request)
  44         #default_email = default_email.replace('\n', '')
  45         #return default_email
  46         # the above doesn't work
  47         return ['support@myslice.info']
  48     else:
  49         pi_user_hrns = [ hrn for x in pi_users for hrn in x['pi_users'] ]
  50         query = Query.get('user').filter_by('user_hrn', 'included', pi_user_hrns).select('user_email')
  51         results = execute_admin_query(request, query)
  52         return [result['user_email'] for result in results]
  53
  54 #clear user credentials
  55 def clear_user_creds(request, user_email):
  56     try:
  57         user_query  = Query().get('local:user').filter_by('email', '==', user_email).select('user_id','email','password','config')
  58         user_details = execute_admin_query(request, user_query)
  59
  60         # getting the user_id from the session
  61         for user_detail in user_details:
  62             user_id = user_detail['user_id']
  63             user_email = user_detail['email']
  64
  65         account_query  = Query().get('local:account').filter_by('user_id', '==', user_id).select('user_id','platform_id','auth_type','config')
  66         account_details = execute_admin_query(request, account_query)
  67
  68         platform_query  = Query().get('local:platform').select('platform_id','platform')
  69         platform_details = execute_admin_query(request, platform_query)
  70
  71         for account_detail in account_details:
  72             for platform_detail in platform_details:
  73                 if platform_detail['platform_id'] == account_detail['platform_id']:
  74                     if 'myslice' in platform_detail['platform']:
  75                         account_config = json.loads(account_detail['config'])
  76                         #user_cred = account_config.get('delegated_user_credential','N/A')
  77                         user_cred = account_config.get('user_credential','N/A')
  78                         if 'N/A' not in user_cred:
  79                             user_hrn = account_config.get('user_hrn','N/A')
  80                             user_pub_key = json.dumps(account_config.get('user_public_key','N/A'))
  81                             user_priv_key = json.dumps(account_config.get('user_private_key','N/A'))
  82                             updated_config = '{"user_public_key":'+ user_pub_key + ', "user_private_key":'+ user_priv_key + ', "user_hrn":"'+ user_hrn + '"}'
  83                             user_params = { 'config': updated_config}
  84                             manifold_update_account(request, user_id,user_params)
  85                             return user_email
  86                         else:
  87                             return None
  88
  89     except Exception,e:
  90         print "Exception in actions.py in clear_user_creds %s" % e
  91         return None
  92
  93 def is_pi(wsgi_request, user_hrn, authority_hrn):
  94     # XXX could be done in a single query !
  95
  96     # select pi_authorities from user where user_hrn == "ple.upmc.jordan_auge"
  97     query = Query.get('user').filter_by('user_hrn', '==', user_hrn).select('pi_authorities')
  98     results = execute_admin_query(wsgi_request, query)
  99     if not results:
 100         # XXX Warning ?
 101         return False
 102     result = results[0]
 103     user_authority_hrns = result.get('pi_authorities', [])
 104     return authority_hrn in user_authority_hrns
 105
 106 # SFA get record
 107
 108 def sfa_get_user(request, user_hrn, pub):
 109     query_sfa_user = Query.get('user').filter_by('user_hrn', '==', user_hrn)
 110     result_sfa_user = execute_query(request, query_sfa_user)
 111     return result_sfa_user
 112
 113 def sfa_update_user(request, user_hrn, user_params):
 114     # user_params: keys [public_key]
 115     if 'email' in user_params:
 116         user_params['user_email'] = user_params['email']
 117     query = Query.update('user').filter_by('user_hrn', '==', user_hrn).set(user_params).select('user_hrn')
 118     results = execute_query(request,query)
 119     return results
 120
 121 def sfa_add_authority(request, authority_params):
 122     query = Query.create('authority').set(authority_params).select('authority_hrn')
 123     results = execute_query(request, query)
 124     print "sfa_add_auth results=",results
 125     if not results:
 126         raise Exception, "Could not create %s. Already exists ?" % authority_params['hrn']
 127     return results
 128
 129 def sfa_add_user_to_slice(request, user_hrn, slice_params):
 130 # UPDATE myslice:slice SET researcher=['ple.upmc.jordan_auge','ple.inria.thierry_parmentelat','ple.upmc.loic_baron','ple.upmc.ciro_scognamiglio','ple.upmc.mohammed-yasin_rahman','ple.upmc.azerty'] where slice_hrn=='ple.upmc.myslicedemo'
 131     query_current_users = Query.get('slice').select('user').filter_by('slice_hrn','==',slice_params['hrn'])
 132     results_current_users = execute_query(request, query_current_users)
 133     slice_params['researcher'] = slice_params['researcher'] | results_current_users
 134     query = Query.update('slice').filter_by('user_hrn', '==', user_hrn).set(slice_params).select('slice_hrn')
 135     results = execute_query(request, query)
 136 # Also possible but not supported yet
 137 # UPDATE myslice:user SET slice=['ple.upmc.agent','ple.upmc.myslicedemo','ple.upmc.tophat'] where user_hrn=='ple.upmc.azerty'
 138     if not results:
 139         raise Exception, "Could not create %s. Already exists ?" % slice_params['hrn']
 140     return results
 141
 142 # Propose hrn
 143
 144 def manifold_add_user(wsgi_request, request):
 145     """Add a Manifold user corresponding to a user request.
 146
 147     Args:
 148         wsgi_request: a WSGIRequest instance
 149         request (dict): a dictionary containing the user request built from the
 150             form.
 151
 152     Returns:
 153         The user_id of the inserted user.
 154
 155     Raises:
 156         ?
 157
 158     """
 159     USER_CONFIG = '{"firstname": "%(first_name)s", "lastname": "%(last_name)s", "authority": "%(authority_hrn)s"}'
 160
 161     user_params = {
 162         'email'     : request['email'],
 163         'password'  : request['password'],
 164         'config'    : USER_CONFIG % request,
 165         'status'    : 1,
 166     }
 167
 168     query = Query.create('local:user').set(user_params).select('email')
 169     results = execute_admin_query(request, query)
 170     if not results:
 171         raise Exception, "Failed creating manifold user: %s" % user_params['email']
 172     result = results[0]
 173     return result['email']
 174
 175 def manifold_update_user(request, email, user_params):
 176     # user_params: password, config e.g.,
 177     query = Query.update('local:user').filter_by('email', '==', email).set(user_params).select('email')
 178     results = execute_admin_query(request,query)
 179     # NOTE: results remains empty and goes to Exception. However, it updates the manifold DB.
 180     # That's why I commented the exception part. -- Yasin
 181     #if not results:
 182     #    raise Exception, "Failed updating manifold user: %s" % user_params['email']
 183     #result, = results
 184     return results
 185
 186 def manifold_add_account(request, account_params):
 187     query = Query.create('local:account').set(account_params).select(['user', 'platform'])
 188     results = execute_admin_query(request,query)
 189     if not results:
 190         raise Exception, "Failed creating manifold account on platform %s for user: %s" % (account_params['platform'], account_params['user'])
 191     result, = results
 192     return result['user_id']
 193
 194 def manifold_update_account(request,user_id,account_params):
 195     # account_params: config
 196     query = Query.update('local:account').filter_by('platform', '==', 'myslice').filter_by('user_id', '==', user_id).set(account_params).select('user_id')
 197     results = execute_admin_query(request,query)
 198     return results
 199
 200 #explicitly mention the platform_id
 201 def manifold_delete_account(request, platform_id, user_id, account_params):
 202     query = Query.delete('local:account').filter_by('platform_id', '==', platform_id).filter_by('user_id', '==', user_id).set(account_params).select('user_id')
 203     results = execute_admin_query(request,query)
 204     return results
 205
 206 def manifold_delete_user(request, user_id, user_params):
 207     query = Query.delete('local:user').filter_by('user_id', '==', user_id).set(user_params).select('user_id')
 208     results = execute_admin_query(request,query)
 209     return results
 210
 211
 212 #not tested
 213 def manifold_add_platform(request, platform_params):
 214     query = Query.create('local:platform').set(platform_params).select(['user', 'platform'])
 215     results = execute_admin_query(request,query)
 216     if not results:
 217         raise Exception, "Failed creating manifold platform %s for user: %s" % (platform_params['platform'], platform_params['user'])
 218     result, = results
 219     return result['platform_id']
 220
 221
 222 def make_request_user(user):
 223     request = {}
 224     request['type']          = 'user'
 225     request['id']            = user.id
 226     request['timestamp']     = user.created # XXX in DB ?
 227     request['authority_hrn'] = user.authority_hrn
 228     request['first_name']    = user.first_name
 229     request['last_name']     = user.last_name
 230     request['email']         = user.email
 231     request['login']         = user.login
 232     request['user_hrn']      = user.user_hrn
 233     request['public_key']    = user.public_key
 234     request['private_key']   = user.private_key
 235     return request
 236
 237 def make_request_slice(slice):
 238     request = {}
 239     request['type'] = 'slice'
 240     request['id'] = slice.id
 241     request['user_hrn'] = slice.user_hrn
 242     request['timestamp'] = slice.created
 243     request['authority_hrn'] = slice.authority_hrn
 244     request['slice_name'] = slice.slice_name
 245     request['number_of_nodes'] = slice.number_of_nodes
 246     request['type_of_nodes'] = slice.type_of_nodes
 247     request['purpose'] = slice.purpose
 248     return request
 249
 250 def make_request_authority(authority):
 251     request = {}
 252     request['type']                  = 'authority'
 253     request['id']                    = authority.id
 254     request['site_name']             = authority.site_name
 255     request['site_latitude']         = authority.site_latitude
 256     request['site_longitude']        = authority.site_longitude
 257     request['site_url']              = authority.site_url
 258     request['site_authority']        = authority.site_authority
 259     request['site_abbreviated_name'] = authority.site_abbreviated_name
 260     request['address_line1']         = authority.address_line1
 261     request['address_line2']         = authority.address_line2
 262     request['address_line3']         = authority.address_line3
 263     request['address_city']          = authority.address_city
 264     request['address_postalcode']    = authority.address_postalcode
 265     request['address_state']         = authority.address_state
 266     request['address_country']       = authority.address_country
 267     request['authority_hrn']         = authority.authority_hrn
 268     request['timestamp']             = authority.created
 269     return request
 270
 271 def make_requests(pending_users, pending_slices, pending_authorities):
 272     requests = []
 273     for user in pending_users:
 274         requests.append(make_request_user(user))
 275     for slice in pending_slices:
 276         requests.append(make_request_slice(slice))
 277     for authority in pending_authorities:
 278         requests.append(make_request_authority(authority))
 279     return requests
 280
 281 def get_request_by_id(ids):
 282     sorted_ids = { 'user': [], 'slice': [], 'authority': [] }
 283     for type__id in ids:
 284         type, id = type__id.split('__')
 285         sorted_ids[type].append(id)
 286
 287     if not ids:
 288         pending_users  = PendingUser.objects.all()
 289         pending_slices = PendingSlice.objects.all()
 290         pending_authorities = PendingAuthority.objects.all()
 291     else:
 292         pending_users  = PendingUser.objects.filter(id__in=sorted_ids['user']).all()
 293         pending_slices = PendingSlice.objects.filter(id__in=sorted_ids['slice']).all()
 294         pending_authorities = PendingAuthority.objects.filter(id__in=sorted_ids['authority']).all()
 295
 296     return make_requests(pending_users, pending_slices, pending_authorities)
 297
 298 def get_requests(authority_hrns=None):
 299     print "get_request_by_authority auth_hrns = ", authority_hrns
 300     if not authority_hrns:
 301         ## get those pending users who have confirmed their emails
 302         pending_users  = PendingUser.objects.filter(status__iexact = 'True')
 303         pending_slices = PendingSlice.objects.all()
 304         pending_authorities = PendingAuthority.objects.all()
 305     else:
 306         pending_users  = PendingUser.objects.filter(authority_hrn__in=authority_hrns).all()
 307         pending_slices = PendingSlice.objects.filter(authority_hrn__in=authority_hrns).all()
 308         pending_authorities = PendingAuthority.objects.filter(authority_hrn__in=authority_hrns).all()
 309
 310     return make_requests(pending_users, pending_slices, pending_authorities)
 311
 312 # XXX Is it in sync with the form fields ?
 313
 314 def portal_validate_request(wsgi_request, request_ids):
 315     status = {}
 316
 317     if not isinstance(request_ids, list):
 318         request_ids = [request_ids]
 319
 320     requests = get_request_by_id(request_ids)
 321     for request in requests:
 322         # type, id, timestamp, details, allowed -- MISSING: authority_hrn
 323         # CAREFUL about details
 324         # user  : first name, last name, email, password, keypair
 325         # slice : number of nodes, type of nodes, purpose
 326
 327         request_status = {}
 328
 329         if request['type'] == 'user':
 330
 331             try:
 332                 create_user(wsgi_request, request)
 333                 request_status['SFA user'] = {'status': True }
 334                 PendingUser.objects.get(id=request['id']).delete()
 335             except Exception, e:
 336                  request_status['SFA user'] = {'status': False, 'description': str(e)}
 337
 338 #            user_params = {'status':2}
 339 #            manifold_update_user(request, request['email'], user_params)
 340
 341             # MANIFOLD user should be added beforehand, during registration
 342             #try:
 343             #    manifold_user_params = { key: request[key] for key in MANIFOLD_USER_KEYS }
 344             #    # XXX # manifold_add_user(manifold_user_params)
 345             #    request_status['MySlice user'] = {'status': True }
 346             #except Exception, e:
 347             #    request_status['MySlice user'] = {'status': False, 'description': str(e)}
 348
 349             # XXX
 350             #manifold_account_params = { key: request[key] for key in MANIFOLD_ACCOUNT_KEYS }
 351             #manifold_add_account(manifold_account_params)
 352             #request_status['MySlice testbed accounts'] = {'status': False }
 353
 354         elif request['type'] == 'slice':
 355             try:
 356                 create_slice(wsgi_request, request)
 357                 request_status['SFA slice'] = {'status': True }
 358                 PendingSlice.objects.get(id=request['id']).delete()
 359
 360             except Exception, e:
 361                 request_status['SFA slice'] = {'status': False, 'description': str(e)}
 362
 363         elif request['type'] == 'authority':
 364             try:
 365                 #hrn = "%s.%s" % (request['authority_hrn'], request['site_authority'])
 366                 hrn = request['site_authority']
 367                 # XXX tmp sfa dependency
 368                 from sfa.util.xrn import Xrn
 369                 urn = Xrn(hrn, request['type']).get_urn()
 370
 371                 # Only hrn is required for Manifold Query
 372                 sfa_authority_params = {
 373                     'authority_hrn'        : hrn,
 374                     #'authority_urn'        : urn,
 375                     #'type'       : request['type'],
 376                     #'pi'        : None,
 377                     #'enabled'    : True
 378                 }
 379                 print "ADD Authority"
 380                 sfa_add_authority(wsgi_request, sfa_authority_params)
 381                 request_status['SFA authority'] = {'status': True }
 382                 PendingAuthority.objects.get(id=request['id']).delete()
 383
 384             except Exception, e:
 385                 request_status['SFA authority'] = {'status': False, 'description': str(e)}
 386
 387         # XXX Remove from Pendings in database
 388
 389         status['%s__%s' % (request['type'], request['id'])] = request_status
 390
 391     return status
 392
 393 def validate_action(request, **kwargs):
 394     ids = filter(None, kwargs['id'].split('/'))
 395     status = portal_validate_request(request, ids)
 396     json_answer = json.dumps(status)
 397     return HttpResponse (json_answer, mimetype="application/json")
 398
 399
 400 def reject_action(request, **kwargs):
 401     ids = filter(None, kwargs['id'].split('/'))
 402     status = portal_reject_request(request, ids)
 403     json_answer = json.dumps(status)
 404     return HttpResponse (json_answer, mimetype="application/json")
 405
 406
 407 def portal_reject_request(wsgi_request, request_ids):
 408     status = {}
 409     # get the domain url
 410     current_site = Site.objects.get_current()
 411     current_site = current_site.domain
 412
 413
 414     if not isinstance(request_ids, list):
 415         request_ids = [request_ids]
 416
 417     requests = get_request_by_id(request_ids)
 418     for request in requests:
 419         # type, id, timestamp, details, allowed -- MISSING: authority_hrn
 420         # CAREFUL about details
 421         # user  : first name, last name, email, password, keypair
 422         # slice : number of nodes, type of nodes, purpose
 423
 424         request_status = {}
 425
 426         if request['type'] == 'user':
 427             try:
 428                 request_status['SFA user'] = {'status': True }
 429                 # getting user email based on id
 430                 ## RAW SQL queries on Django DB- https://docs.djangoproject.com/en/dev/topics/db/sql/
 431                 for user in PendingUser.objects.raw('SELECT * FROM portal_pendinguser WHERE id = %s', [request['id']]):
 432                     user_email= user.email
 433                     first_name = user.first_name
 434                     last_name = user.last_name
 435
 436                 ctx = {
 437                     'first_name'    : first_name,
 438                     'last_name'     : last_name,
 439                     'portal_url'    : current_site,
 440                     }
 441                 try:
 442                     theme.template_name = 'user_request_denied.txt'
 443                     text_content = render_to_string(theme.template, ctx)
 444                     theme.template_name = 'user_request_denied.html'
 445                     html_content = render_to_string(theme.template, ctx)
 446                     theme.template_name = 'email_default_sender.txt'
 447                     sender =  render_to_string(theme.template, ctx)
 448                     sender = sender.replace('\n', '')
 449
 450                     subject = 'User request denied.'
 451
 452                     msg = EmailMultiAlternatives(subject, text_content, sender, [user_email])
 453                     msg.attach_alternative(html_content, "text/html")
 454                     msg.send()
 455                 except Exception, e:
 456                     print "Failed to send email, please check the mail templates and the SMTP configuration of your server"
 457
 458                 # removing from Django auth_user
 459                 UserModel = get_user_model()
 460                 UserModel._default_manager.filter(email__iexact = user_email).delete()
 461                 # removing from Django portal_pendinguser
 462                 PendingUser.objects.get(id=request['id']).delete()
 463                 # removing from manifold
 464                 # removing manifold account
 465                 user_query = Query().get('local:user') \
 466                     .filter_by('email', '==', user_email)           \
 467                     .select('user_id')
 468                 user = execute_admin_query(wsgi_request, user_query)
 469                 user_id = user[0]['user_id']
 470
 471                 platform_query = Query().get('local:platform') \
 472                     .filter_by('platform', '==', 'myslice')           \
 473                     .select('platform_id')
 474                 platform = execute_admin_query(wsgi_request, platform_query)
 475                 platform_id = platform[0]['platform_id']
 476                 account_params = {'user_id':user_id}
 477                 manifold_delete_account(request, platform_id, user_id, account_params)
 478
 479                 # removing manifold user
 480                 user_params = {'user_id':user_id}
 481                 manifold_delete_user(request, user_id, user_params)
 482             except Exception, e:
 483                 request_status['SFA authority'] = {'status': False, 'description': str(e)}
 484
 485         elif request['type'] == 'slice':
 486             request_status['SFA slice'] = {'status': True }
 487
 488             # getting user email based on id
 489             ## RAW SQL queries on Django DB- https://docs.djangoproject.com/en/dev/topics/db/sql/
 490             for user in PendingSlice.objects.raw('SELECT * FROM portal_pendingslice WHERE id = %s', [request['id']]):
 491                 user_email= user.type_of_nodes # XXX type_of_nodes field contains the email [shd be renamed in DB]
 492                 slice_name = user.slice_name
 493                 purpose = user.purpose
 494                 url = user.number_of_nodes
 495
 496             ctx = {
 497                 'slice_name': slice_name,
 498                 'purpose': purpose,
 499                 'url': url,
 500                 'portal_url': current_site,
 501                 }
 502             try:
 503                 theme.template_name = 'slice_request_denied.txt'
 504                 text_content = render_to_string(theme.template, ctx)
 505                 theme.template_name = 'slice_request_denied.html'
 506                 html_content = render_to_string(theme.template, ctx)
 507                 theme.template_name = 'email_default_sender.txt'
 508                 sender =  render_to_string(theme.template, ctx)
 509                 sender = sender.replace('\n', '')
 510
 511                 subject = 'Slice request denied.'
 512
 513                 msg = EmailMultiAlternatives(subject, text_content, sender, [user_email])
 514                 msg.attach_alternative(html_content, "text/html")
 515                 msg.send()
 516             except Exception, e:
 517                 print "Failed to send email, please check the mail templates and the SMTP configuration of your server"
 518
 519             PendingSlice.objects.get(id=request['id']).delete()
 520
 521         elif request['type'] == 'authority':
 522             request_status['SFA authority'] = {'status': True }
 523
 524             # getting user email based on id
 525             ## RAW SQL queries on Django DB- https://docs.djangoproject.com/en/dev/topics/db/sql/
 526             for user in PendingAuthority.objects.raw('SELECT * FROM portal_pendingauthority WHERE id = %s', [request['id']]):
 527                 user_email= user.address_line1 # XXX address_line1 field contains the email [shd be renamed in DB]
 528                 site_name = user.site_name
 529                 city = user.address_city
 530                 country = user.address_country
 531                 short_name = user.site_abbreviated_name
 532                 url = user.site_url
 533
 534             ctx = {
 535                 'site_name': site_name,
 536                 'short_name': short_name,
 537                 'url': url,
 538                 'city': city,
 539                 'country': country,
 540                 'portal_url'    : current_site,
 541                 }
 542
 543             try:
 544                 theme.template_name = 'authority_request_denied.txt'
 545                 text_content = render_to_string(theme.template, ctx)
 546                 theme.template_name = 'authority_request_denied.html'
 547                 html_content = render_to_string(theme.template, ctx)
 548                 theme.template_name = 'email_default_sender.txt'
 549                 sender =  render_to_string(theme.template, ctx)
 550                 sender = sender.replace('\n', '')
 551                 subject = 'Authority request denied.'
 552                 msg = EmailMultiAlternatives(subject, text_content, sender, [user_email])
 553                 msg.attach_alternative(html_content, "text/html")
 554                 msg.send()
 555             except Exception, e:
 556                 print "Failed to send email, please check the mail templates and the SMTP configuration of your server"
 557
 558             PendingAuthority.objects.get(id=request['id']).delete()
 559
 560         status['%s__%s' % (request['type'], request['id'])] = request_status
 561
 562     return status
 563
 564 # Django and ajax
 565 # http://djangosnippets.org/snippets/942/
 566
 567
 568
 569 #-------------------------------------------------------------------------------
 570 # REQUESTS - Slices
 571 #-------------------------------------------------------------------------------
 572
 573 def create_slice(wsgi_request, request):
 574     """
 575     Arguments:
 576         wsgi_request (~ WSGIRequest) :
 577         request (dict) : the slice request in our own dict format
 578
 579     Raises:
 580         Exception
 581     """
 582     hrn = "%s.%s" % (request['authority_hrn'], request['slice_name'])
 583     # XXX tmp sfa dependency
 584     from sfa.util.xrn import Xrn
 585     urn = Xrn(hrn, request['type']).get_urn()
 586
 587     # Add User to Slice if we have the user_hrn in pendingslice table
 588     user_hrn = request.get('user_hrn', None)
 589     user_hrns = list([user_hrn]) if user_hrn else list()
 590
 591     user_query  = Query().get('user').select('user_hrn','user_email').filter_by('user_hrn','==',user_hrn)
 592     user_details_sfa = execute_admin_query(wsgi_request, user_query)
 593     if not user_details_sfa:
 594         raise Exception, "User %s doesn't exist, validate user before validating slice" % user_hrn
 595     for user in user_details_sfa:
 596         user_email = user['user_email']
 597
 598     # XXX LOIC Quick fix because this is totally inconsistent
 599     if not 'number_of_nodes' in request:
 600         request['number_of_nodes']=""
 601
 602     # XXX We should create a slice with Manifold terminology
 603     slice_params = {
 604         'slice_hrn'        : hrn,
 605         'slice_urn'        : urn,
 606         'slice_type'       : request['type'],
 607         'url'              : request['number_of_nodes'],
 608         'users'            : user_hrns,
 609         'slice_enabled'    : True
 610     }
 611     # ignored in request: id, timestamp,  number_of_nodes, type_of_nodes, purpose
 612
 613     query = Query.create('slice').set(slice_params).select('slice_hrn')
 614     results = execute_query(wsgi_request, query)
 615     if not results:
 616         raise Exception, "Could not create %s. Already exists ?" % slice_params['hrn']
 617     else:
 618         clear_user_creds(wsgi_request,user_email)
 619
 620         try:
 621             theme.template_name = 'slice_request_validated.txt'
 622             text_content = render_to_string(theme.template, request)
 623             theme.template_name = 'slice_request_validated.html'
 624             html_content = render_to_string(theme.template, request)
 625
 626             theme.template_name = 'email_default_sender.txt'
 627             sender =  render_to_string(theme.template, request)
 628             sender = sender.replace('\n', '')
 629
 630             subject = 'Slice request validated'
 631
 632             msg = EmailMultiAlternatives(subject, text_content, sender, [user_email])
 633             msg.attach_alternative(html_content, "text/html")
 634             msg.send()
 635         except Exception, e:
 636             print "Failed to send email, please check the mail templates and the SMTP configuration of your server"
 637
 638     return results
 639
 640 def create_pending_slice(wsgi_request, request, email):
 641     """
 642     """
 643
 644     # Insert an entry in the PendingSlice table
 645     s = PendingSlice(
 646         slice_name      = request['slice_name'],
 647         user_hrn        = request['user_hrn'],
 648         authority_hrn   = request['authority_hrn'],
 649         number_of_nodes = request['url'], # field needs to be renamed
 650         purpose         = request['purpose'],
 651         type_of_nodes   = request['email'] # field needs to be renamed
 652     )
 653     s.save()
 654
 655     try:
 656         # Send an email: the recipients are the PI of the authority
 657         recipients = authority_get_pi_emails(wsgi_request, request['authority_hrn'])
 658
 659         theme.template_name = 'slice_request_email.txt'
 660         text_content = render_to_string(theme.template, request)
 661
 662         theme.template_name = 'slice_request_email.html'
 663         html_content = render_to_string(theme.template, request)
 664
 665         theme.template_name = 'slice_request_email_subject.txt'
 666         subject = render_to_string(theme.template, request)
 667         subject = subject.replace('\n', '')
 668
 669         sender = email
 670         msg = EmailMultiAlternatives(subject, text_content, sender, recipients)
 671         msg.attach_alternative(html_content, "text/html")
 672         msg.send()
 673     except Exception, e:
 674         print "Failed to send email, please check the mail templates and the SMTP configuration of your server"
 675
 676 #-------------------------------------------------------------------------------
 677 # REQUESTS - Users
 678 #-------------------------------------------------------------------------------
 679
 680 def manifold_add_reference_user_accounts(wsgi_request, request):
 681     """When a new user is created, add reference accounts to the reference platform.
 682     """
 683     # XXX XXX XXX The rest of this function has to be checked XXX XXX XXX
 684
 685     # Retrieve user information
 686     user_query  = Query().get('local:user')             \
 687         .select('user_id', 'config', 'email', 'status') \
 688         .filter_by('email', '==', request['email'])
 689     user_details = execute_admin_query(wsgi_request, user_query)
 690
 691     # USER MAIN ACCOUNT != reference
 692     #print 'USER MAIN ACCOUNT != reference'
 693     list_accounts_query = Query().get('local:account')              \
 694         .select('user_id', 'platform_id', 'auth_type', 'config')    \
 695         .filter_by('user_id', '==', user_details[0]['user_id'])     \
 696         .filter_by('auth_type', '!=', 'reference')
 697     list_accounts = execute_admin_query(wsgi_request, list_accounts_query)
 698
 699     # XXX main_platform is being erased several times ???
 700     for account in list_accounts:
 701         main_platform_query = Query().get('local:platform')         \
 702             .select('platform_id', 'platform')                      \
 703             .filter_by('platform_id', '==', account['platform_id'])
 704         main_platform = execute_admin_query(wsgi_request, main_platform_query)
 705
 706     # Add reference accounts on SFA enabled platforms
 707     platforms_query = Query().get('local:platform') \
 708         .filter_by('disabled', '==', '0')           \
 709         .filter_by('gateway_type', '==', 'sfa')     \
 710         .select('platform_id', 'gateway_type')
 711     platforms = execute_admin_query(wsgi_request, platforms_query)
 712     for platform in platforms:
 713         #print "add reference to platform ",platform
 714         manifold_account_params = {
 715             'user_id'       : user_details[0]['user_id'],
 716             'platform_id'   : platform['platform_id'],
 717             'auth_type'     : 'reference',
 718             'config'        : '{"reference_platform": "' + main_platform[0]['platform'] + '"}',
 719         }
 720         manifold_add_account(wsgi_request, manifold_account_params)
 721
 722 def sfa_create_user(wsgi_request, request, namespace = None, as_admin = False):
 723     """
 724     Arguments:
 725         wsgi_request (~ WSGIRequest) :
 726         request (dict) : the user request in our own dict format
 727
 728     Raises:
 729         Exception
 730     """
 731     from sfa.util.xrn import Xrn
 732
 733     auth_pi = request.get('pi', None)
 734     auth_pi = list([auth_pi]) if auth_pi else list()
 735
 736     # We create a user request with Manifold terminology
 737     sfa_user_params = {
 738         'user_hrn'          : request['user_hrn'],
 739         'user_email'        : request['email'],
 740         'user_urn'          : Xrn(request['user_hrn'], request['type']).get_urn(),
 741         'user_type'         : request['type'],
 742         'keys'              : request['public_key'],
 743         'user_first_name'   : request['first_name'],
 744         'user_last_name'    : request['last_name'],
 745         'pi_authorities'    : auth_pi,
 746         'user_enabled'      : True
 747     }
 748
 749     if namespace is not None:
 750         query = Query.create('%s:user' % namespace).set(sfa_user_params).select('user_hrn')
 751     else:
 752         query = Query.create('user').set(sfa_user_params).select('user_hrn')
 753
 754     if as_admin:
 755         results = execute_admin_query(wsgi_request, query)
 756     else:
 757         results = execute_query(wsgi_request, query)
 758
 759     if not results:
 760         raise Exception, "Could not create %s. Already exists ?" % sfa_user_params['user_hrn']
 761     else:
 762         try:
 763             theme.template_name = 'user_request_validated.txt'
 764             text_content = render_to_string(theme.template, request)
 765             theme.template_name = 'user_request_validated.html'
 766             html_content = render_to_string(theme.template, request)
 767
 768             theme.template_name = 'email_default_sender.txt'
 769             sender =  render_to_string(theme.template, request)
 770             sender = sender.replace('\n', '')
 771
 772
 773             subject = 'User validated'
 774
 775             msg = EmailMultiAlternatives(subject, text_content, sender, [request['email']])
 776             msg.attach_alternative(html_content, "text/html")
 777             msg.send()
 778         except Exception, e:
 779             print "Failed to send email, please check the mail templates and the SMTP configuration of your server"
 780
 781     return results
 782
 783 def create_user(wsgi_request, request, namespace = None, as_admin = False):
 784     # XXX This has to be stored centrally
 785     USER_STATUS_ENABLED = 2
 786
 787     # NOTE : if we were to create a user directly (just like we create slices,
 788     # we would have to perform the steps in create_pending_user too
 789
 790     # Add the user to the SFA registry
 791     sfa_create_user(wsgi_request, request, namespace, as_admin)
 792
 793     # Update Manifold user status
 794     manifold_update_user(wsgi_request, request['email'], {'status': USER_STATUS_ENABLED})
 795
 796     # Add reference accounts for platforms
 797     manifold_add_reference_user_accounts(wsgi_request, request)
 798
 799 def create_pending_user(wsgi_request, request, user_detail):
 800     """
 801     """
 802
 803     # Insert an entry in the PendingUser table
 804     b = PendingUser(
 805         first_name    = request['first_name'],
 806         last_name     = request['last_name'],
 807         authority_hrn = request['authority_hrn'],
 808         email         = request['email'],
 809         password      = request['password'],
 810         public_key    = request['public_key'],
 811         private_key   = request['private_key'],
 812         user_hrn      = request['user_hrn'],
 813         pi            = request['pi'],
 814         email_hash    = request['email_hash'],
 815         status        = 'False',
 816     )
 817     b.save()
 818     # sends email to user to activate the email
 819     theme.template_name = 'activate_user.html'
 820     html_content = render_to_string(theme.template, request)
 821     theme.template_name = 'activate_user.txt'
 822     text_content = render_to_string(theme.template, request)
 823     theme.template_name = 'activate_user_email_subject.txt'
 824     subject = render_to_string(theme.template, request)
 825     subject = subject.replace('\n', '')
 826     #sender = 'support@myslice.info'
 827     theme.template_name = 'email_default_sender.txt'
 828     sender =  render_to_string(theme.template, request)
 829     sender = sender.replace('\n', '')
 830     recipient = [request['email']]
 831     #recipient = recipient.append(request['email'])
 832
 833     msg = EmailMultiAlternatives(subject, text_content, sender, recipient)
 834     msg.attach_alternative(html_content, "text/html")
 835     msg.send()
 836
 837     # saves the user to django auth_user table [needed for password reset]
 838     user = User.objects.create_user(request['email'], request['email'], request['password'])
 839
 840     # Creating a manifold user
 841     user_id = manifold_add_user(wsgi_request, request)
 842
 843     # Creating a Manifold account on the MySlice platform
 844     # Note the JSON representation of public and private keys already includes quotes
 845     account_config = {
 846         'user_hrn'          : request['user_hrn'],
 847         'user_public_key'   : request['public_key'],
 848     }
 849     if request['private_key']:
 850         account_config['user_private_key'] = request['private_key']
 851
 852     user_id = user_detail['user_id'] + 1 # the user_id for the newly created user in local:user
 853
 854     # XXX TODO: Require a myslice platform
 855     # ALERT: this will disapear with ROUTERV2 of Manifold
 856     # We have to consider the case where several registries can be used
 857     # Removed hardcoded platform = 5
 858     # This platform == 'myslice' is a TMP FIX !!
 859     try:
 860         reg_platform_query = Query().get('local:platform') \
 861             .filter_by('platform', '==', 'myslice')           \
 862             .select('platform_id')
 863         reg_platform = execute_admin_query(wsgi_request, reg_platform_query)
 864
 865         reg_platform_id = reg_platform[0]['platform_id']
 866         account_params = {
 867             'platform_id'   : reg_platform_id, # XXX ALERT !!
 868             'user_id'       : user_id,
 869             'auth_type'     : request['auth_type'],
 870             'config'        : json.dumps(account_config),
 871         }
 872         manifold_add_account(wsgi_request, account_params)
 873     except Exception, e:
 874         print "Failed creating manifold account on platform %s for user: %s" % ('myslice', request['email'])
 875
 876     try:
 877         # Send an email: the recipients are the PI of the authority
 878         # If No PI is defined for this Authority, send to a default email (different for each theme)
 879         recipients = authority_get_pi_emails(wsgi_request, request['authority_hrn'])
 880
 881         theme.template_name = 'user_request_email.html'
 882         html_content = render_to_string(theme.template, request)
 883
 884         theme.template_name = 'user_request_email.txt'
 885         text_content = render_to_string(theme.template, request)
 886
 887         theme.template_name = 'user_request_email_subject.txt'
 888         subject = render_to_string(theme.template, request)
 889         subject = subject.replace('\n', '')
 890
 891         theme.template_name = 'email_default_sender.txt'
 892         sender =  render_to_string(theme.template, request)
 893         sender = sender.replace('\n', '')
 894
 895         msg = EmailMultiAlternatives(subject, text_content, sender, recipients)
 896         msg.attach_alternative(html_content, "text/html")
 897         msg.send()
 898     except Exception, e:
 899         print "Failed to send email, please check the mail templates and the SMTP configuration of your server"
 900         import traceback
 901         traceback.print_exc()