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37 from smtplib import SMTPException
38 from urllib import quote
39 from functools import wraps
41 from django.core.mail import send_mail
42 from django.http import HttpResponse
43 from django.shortcuts import redirect
44 from django.template.loader import render_to_string
45 from django.utils.translation import ugettext as _
46 from django.core.urlresolvers import reverse
47 from django.contrib.auth.decorators import login_required
48 from django.contrib import messages
49 from django.db import transaction
50 from django.contrib.auth import logout as auth_logout
51 from django.utils.http import urlencode
52 from django.http import HttpResponseRedirect, HttpResponseBadRequest
53 from django.db.utils import IntegrityError
54 from django.contrib.auth.views import password_change
56 from astakos.im.models import AstakosUser, Invitation, ApprovalTerms
57 from astakos.im.activation_backends import get_backend, SimpleBackend
58 from astakos.im.util import get_context, prepare_response, set_cookie, has_signed_terms
59 from astakos.im.forms import *
60 from astakos.im.functions import send_greeting, send_feedback, SendMailError
61 from astakos.im.settings import DEFAULT_CONTACT_EMAIL, DEFAULT_FROM_EMAIL, COOKIE_NAME, COOKIE_DOMAIN, IM_MODULES, SITENAME, LOGOUT_NEXT
62 from astakos.im.functions import invite as invite_func
64 logger = logging.getLogger(__name__)
66 def render_response(template, tab=None, status=200, reset_cookie=False, context_instance=None, **kwargs):
68 Calls ``django.template.loader.render_to_string`` with an additional ``tab``
69 keyword argument and returns an ``django.http.HttpResponse`` with the
73 tab = template.partition('_')[0].partition('.html')[0]
74 kwargs.setdefault('tab', tab)
75 html = render_to_string(template, kwargs, context_instance=context_instance)
76 response = HttpResponse(html, status=status)
78 set_cookie(response, context_instance['request'].user)
82 def requires_anonymous(func):
84 Decorator checkes whether the request.user is not Anonymous and in that case
85 redirects to `logout`.
88 def wrapper(request, *args):
89 if not request.user.is_anonymous():
90 next = urlencode({'next': request.build_absolute_uri()})
91 logout_uri = reverse(logout) + '?' + next
92 return HttpResponseRedirect(logout_uri)
93 return func(request, *args)
96 def signed_terms_required(func):
98 Decorator checkes whether the request.user is Anonymous and in that case
99 redirects to `logout`.
102 def wrapper(request, *args, **kwargs):
103 if request.user.is_authenticated() and not has_signed_terms(request.user):
104 params = urlencode({'next': request.build_absolute_uri(),
106 terms_uri = reverse('latest_terms') + '?' + params
107 return HttpResponseRedirect(terms_uri)
108 return func(request, *args, **kwargs)
111 @signed_terms_required
112 def index(request, login_template_name='im/login.html', profile_template_name='im/profile.html', extra_context={}):
114 If there is logged on user renders the profile page otherwise renders login page.
118 ``login_template_name``
119 A custom login template to use. This is optional; if not specified,
120 this will default to ``im/login.html``.
122 ``profile_template_name``
123 A custom profile template to use. This is optional; if not specified,
124 this will default to ``im/profile.html``.
127 An dictionary of variables to add to the template context.
131 im/profile.html or im/login.html or ``template_name`` keyword argument.
134 template_name = login_template_name
135 if request.user.is_authenticated():
136 return HttpResponseRedirect(reverse('astakos.im.views.edit_profile'))
137 return render_response(template_name,
138 login_form = LoginForm(),
139 context_instance = get_context(request, extra_context))
142 @signed_terms_required
143 @transaction.commit_manually
144 def invite(request, template_name='im/invitations.html', extra_context={}):
146 Allows a user to invite somebody else.
148 In case of GET request renders a form for providing the invitee information.
149 In case of POST checks whether the user has not run out of invitations and then
150 sends an invitation email to singup to the service.
152 The view uses commit_manually decorator in order to ensure the number of the
153 user invitations is going to be updated only if the email has been successfully sent.
155 If the user isn't logged in, redirects to settings.LOGIN_URL.
160 A custom template to use. This is optional; if not specified,
161 this will default to ``im/invitations.html``.
164 An dictionary of variables to add to the template context.
168 im/invitations.html or ``template_name`` keyword argument.
172 The view expectes the following settings are defined:
174 * LOGIN_URL: login uri
175 * ASTAKOS_DEFAULT_CONTACT_EMAIL: service support email
176 * ASTAKOS_DEFAULT_FROM_EMAIL: from email
180 form = InvitationForm()
182 inviter = request.user
183 if request.method == 'POST':
184 form = InvitationForm(request.POST)
185 if inviter.invitations > 0:
188 invitation = form.save()
189 invite_func(invitation, inviter)
190 status = messages.SUCCESS
191 message = _('Invitation sent to %s' % invitation.username)
192 except SendMailError, e:
193 status = messages.ERROR
195 transaction.rollback()
196 except BaseException, e:
197 status = messages.ERROR
198 message = _('Something went wrong.')
200 transaction.rollback()
204 status = messages.ERROR
205 message = _('No invitations left')
206 messages.add_message(request, status, message)
208 sent = [{'email': inv.username,
209 'realname': inv.realname,
210 'is_consumed': inv.is_consumed}
211 for inv in request.user.invitations_sent.all()]
212 kwargs = {'inviter': inviter,
214 context = get_context(request, extra_context, **kwargs)
215 return render_response(template_name,
216 invitation_form = form,
217 context_instance = context)
220 @signed_terms_required
221 def edit_profile(request, template_name='im/profile.html', extra_context={}):
223 Allows a user to edit his/her profile.
225 In case of GET request renders a form for displaying the user information.
226 In case of POST updates the user informantion and redirects to ``next``
227 url parameter if exists.
229 If the user isn't logged in, redirects to settings.LOGIN_URL.
234 A custom template to use. This is optional; if not specified,
235 this will default to ``im/profile.html``.
238 An dictionary of variables to add to the template context.
242 im/profile.html or ``template_name`` keyword argument.
246 The view expectes the following settings are defined:
248 * LOGIN_URL: login uri
250 form = ProfileForm(instance=request.user)
251 extra_context['next'] = request.GET.get('next')
253 if request.method == 'POST':
254 form = ProfileForm(request.POST, instance=request.user)
257 prev_token = request.user.auth_token
259 reset_cookie = user.auth_token != prev_token
260 form = ProfileForm(instance=user)
261 next = request.POST.get('next')
263 return redirect(next)
264 msg = _('Profile has been updated successfully')
265 messages.add_message(request, messages.SUCCESS, msg)
266 except ValueError, ve:
267 messages.add_message(request, messages.ERROR, ve)
268 return render_response(template_name,
269 reset_cookie = reset_cookie,
271 context_instance = get_context(request,
274 def signup(request, template_name='im/signup.html', on_success='im/signup_complete.html', extra_context={}, backend=None):
276 Allows a user to create a local account.
278 In case of GET request renders a form for providing the user information.
279 In case of POST handles the signup.
281 The user activation will be delegated to the backend specified by the ``backend`` keyword argument
282 if present, otherwise to the ``astakos.im.activation_backends.InvitationBackend``
283 if settings.ASTAKOS_INVITATIONS_ENABLED is True or ``astakos.im.activation_backends.SimpleBackend`` if not
284 (see activation_backends);
286 Upon successful user creation if ``next`` url parameter is present the user is redirected there
287 otherwise renders the same page with a success message.
289 On unsuccessful creation, renders ``template_name`` with an error message.
294 A custom template to render. This is optional;
295 if not specified, this will default to ``im/signup.html``.
299 A custom template to render in case of success. This is optional;
300 if not specified, this will default to ``im/signup_complete.html``.
303 An dictionary of variables to add to the template context.
307 im/signup.html or ``template_name`` keyword argument.
308 im/signup_complete.html or ``on_success`` keyword argument.
310 if request.user.is_authenticated():
311 return HttpResponseRedirect(reverse('astakos.im.views.index'))
313 query_dict = request.__getattribute__(request.method)
314 provider = query_dict.get('provider', 'local')
317 backend = get_backend(request)
318 form = backend.get_signup_form(provider)
319 except (Invitation.DoesNotExist, ValueError), e:
320 form = SimpleBackend(request).get_signup_form(provider)
321 messages.add_message(request, messages.ERROR, e)
322 if request.method == 'POST':
324 user = form.save(commit=False)
326 result = backend.handle_activation(user)
327 status = messages.SUCCESS
328 message = result.message
330 if user and user.is_active:
331 next = request.POST.get('next', '')
332 return prepare_response(request, user, next=next)
333 messages.add_message(request, status, message)
334 return render_response(on_success,
335 context_instance=get_context(request, extra_context))
336 except SendMailError, e:
337 status = messages.ERROR
339 messages.add_message(request, status, message)
340 except BaseException, e:
341 status = messages.ERROR
342 message = _('Something went wrong.')
343 messages.add_message(request, status, message)
344 return render_response(template_name,
346 context_instance=get_context(request, extra_context))
349 @signed_terms_required
350 def feedback(request, template_name='im/feedback.html', email_template_name='im/feedback_mail.txt', extra_context={}):
352 Allows a user to send feedback.
354 In case of GET request renders a form for providing the feedback information.
355 In case of POST sends an email to support team.
357 If the user isn't logged in, redirects to settings.LOGIN_URL.
362 A custom template to use. This is optional; if not specified,
363 this will default to ``im/feedback.html``.
366 An dictionary of variables to add to the template context.
370 im/signup.html or ``template_name`` keyword argument.
374 * LOGIN_URL: login uri
375 * ASTAKOS_DEFAULT_CONTACT_EMAIL: List of feedback recipients
377 if request.method == 'GET':
378 form = FeedbackForm()
379 if request.method == 'POST':
381 return HttpResponse('Unauthorized', status=401)
383 form = FeedbackForm(request.POST)
385 msg = form.cleaned_data['feedback_msg'],
386 data = form.cleaned_data['feedback_data']
388 send_feedback(msg, data, request.user, email_template_name)
389 except SendMailError, e:
391 status = messages.ERROR
393 message = _('Feedback successfully sent')
394 status = messages.SUCCESS
395 messages.add_message(request, status, message)
396 return render_response(template_name,
397 feedback_form = form,
398 context_instance = get_context(request, extra_context))
400 def logout(request, template='registration/logged_out.html', extra_context={}):
402 Wraps `django.contrib.auth.logout` and delete the cookie.
405 response = HttpResponse()
406 response.delete_cookie(COOKIE_NAME, path='/', domain=COOKIE_DOMAIN)
407 next = request.GET.get('next')
409 response['Location'] = next
410 response.status_code = 302
413 response['Location'] = LOGOUT_NEXT
414 response.status_code = 301
416 messages.add_message(request, messages.SUCCESS, _('You have successfully logged out.'))
417 context = get_context(request, extra_context)
418 response.write(render_to_string(template, context_instance=context))
421 @transaction.commit_manually
422 def activate(request, email_template_name='im/welcome_email.txt', on_failure=''):
424 Activates the user identified by the ``auth`` request parameter, sends a welcome email
425 and renews the user token.
427 The view uses commit_manually decorator in order to ensure the user state will be updated
428 only if the email will be send successfully.
430 token = request.GET.get('auth')
431 next = request.GET.get('next')
433 user = AstakosUser.objects.get(auth_token=token)
434 except AstakosUser.DoesNotExist:
435 return HttpResponseBadRequest(_('No such user'))
437 user.is_active = True
438 user.email_verified = True
441 send_greeting(user, email_template_name)
442 response = prepare_response(request, user, next, renew=True)
445 except SendEmailError, e:
447 messages.add_message(request, messages.ERROR, message)
448 transaction.rollback()
449 return signup(request, on_failure='im/signup.html')
450 except BaseException, e:
451 status = messages.ERROR
452 message = _('Something went wrong.')
454 transaction.rollback()
455 return signup(request, on_failure='im/signup.html')
457 def approval_terms(request, term_id=None, template_name='im/approval_terms.html', extra_context={}):
462 term = ApprovalTerms.objects.order_by('-id')[0]
467 term = ApprovalTerms.objects.get(id=term_id)
468 except ApprovalTermDoesNotExist, e:
472 return HttpResponseRedirect(reverse('astakos.im.views.index'))
473 f = open(term.location, 'r')
476 if request.method == 'POST':
477 next = request.POST.get('next')
479 next = reverse('astakos.im.views.index')
480 form = SignApprovalTermsForm(request.POST, instance=request.user)
481 if not form.is_valid():
482 return render_response(template_name,
484 approval_terms_form = form,
485 context_instance = get_context(request, extra_context))
487 return HttpResponseRedirect(next)
490 if request.user.is_authenticated() and not has_signed_terms(request.user):
491 form = SignApprovalTermsForm(instance=request.user)
492 return render_response(template_name,
494 approval_terms_form = form,
495 context_instance = get_context(request, extra_context))
497 @signed_terms_required
498 def change_password(request):
499 return password_change(request, post_change_redirect=reverse('astakos.im.views.edit_profile'))