# Copyright (C) 2020 by Animath # SPDX-License-Identifier: GPL-3.0-or-later import json import os import subprocess from tempfile import mkdtemp from django.conf import settings from django.contrib import messages from django.contrib.auth.mixins import AccessMixin, LoginRequiredMixin from django.contrib.auth.models import User from django.contrib.sites.models import Site from django.core.exceptions import PermissionDenied, ValidationError from django.db import transaction from django.db.models import Q from django.http import FileResponse, Http404 from django.shortcuts import redirect, resolve_url from django.template.loader import render_to_string from django.urls import reverse_lazy from django.utils import timezone, translation from django.utils.crypto import get_random_string from django.utils.http import urlsafe_base64_decode from django.utils.text import format_lazy from django.utils.translation import gettext_lazy as _ from django.views.generic import CreateView, DetailView, RedirectView, TemplateView, UpdateView, View from django_tables2 import SingleTableView from magic import Magic from participation.models import Passage, Solution, Synthesis, Tournament from tfjm.tokens import email_validation_token from tfjm.views import UserMixin, UserRegistrationMixin, VolunteerMixin from .forms import AddOrganizerForm, CoachRegistrationForm, HealthSheetForm, ParentalAuthorizationForm, \ PaymentAdminForm, PaymentForm, PhotoAuthorizationForm, SignupForm, StudentRegistrationForm, UserForm, \ VaccineSheetForm, VolunteerRegistrationForm from .models import ParticipantRegistration, Payment, Registration, StudentRegistration from .tables import RegistrationTable class SignupView(CreateView): """ Signup, as a participant or a coach. """ model = User form_class = SignupForm template_name = "registration/signup.html" extra_context = dict(title=_("Sign up")) def get_context_data(self, **kwargs): context = super().get_context_data() context["student_registration_form"] = StudentRegistrationForm(self.request.POST or None) context["coach_registration_form"] = CoachRegistrationForm(self.request.POST or None) del context["student_registration_form"].fields["team"] del context["student_registration_form"].fields["email_confirmed"] del context["coach_registration_form"].fields["team"] del context["coach_registration_form"].fields["email_confirmed"] return context @transaction.atomic def form_valid(self, form): role = form.cleaned_data["role"] if role == "participant": registration_form = StudentRegistrationForm(self.request.POST) else: registration_form = CoachRegistrationForm(self.request.POST) del registration_form.fields["team"] del registration_form.fields["email_confirmed"] if not registration_form.is_valid(): return self.form_invalid(form) ret = super().form_valid(form) registration = registration_form.instance registration.user = form.instance registration.save() registration.send_email_validation_link() return ret def get_success_url(self): return reverse_lazy("registration:email_validation_sent") class AddOrganizerView(VolunteerMixin, CreateView): model = User form_class = AddOrganizerForm template_name = "registration/add_organizer.html" extra_context = dict(title=_("Add organizer")) def get_context_data(self, **kwargs): context = super().get_context_data() context["volunteer_registration_form"] = VolunteerRegistrationForm(self.request.POST or None) del context["volunteer_registration_form"].fields["email_confirmed"] if not self.request.user.registration.is_admin: del context["volunteer_registration_form"].fields["admin"] return context @transaction.atomic def form_valid(self, form): registration_form = VolunteerRegistrationForm(self.request.POST) del registration_form.fields["email_confirmed"] if not self.request.user.registration.is_admin: del registration_form.fields["admin"] if not registration_form.is_valid(): return self.form_invalid(form) ret = super().form_valid(form) registration = registration_form.instance registration.user = form.instance registration.save() registration.send_email_validation_link() password = get_random_string(16) form.instance.set_password(password) form.instance.save() subject = "[TFJM²] " + str(_("New TFJM² organizer account")) site = Site.objects.first() message = render_to_string('registration/mails/add_organizer.txt', dict(user=registration.user, inviter=self.request.user, password=password, domain=site.domain)) html = render_to_string('registration/mails/add_organizer.html', dict(user=registration.user, inviter=self.request.user, password=password, domain=site.domain)) registration.user.email_user(subject, message, html_message=html) if registration.is_admin: registration.user.is_superuser = True registration.user.save() return ret def get_success_url(self): return reverse_lazy("registration:email_validation_sent") class UserValidateView(TemplateView): """ A view to validate the email address. """ title = _("Email validation") template_name = 'registration/email_validation_complete.html' extra_context = dict(title=_("Validate email")) def get(self, *args, **kwargs): """ With a given token and user id (in params), validate the email address. """ assert 'uidb64' in kwargs and 'token' in kwargs self.validlink = False user = self.get_user(kwargs['uidb64']) token = kwargs['token'] # Validate the token if user is not None and email_validation_token.check_token(user, token): self.validlink = True user.registration.email_confirmed = True user.registration.save() return self.render_to_response(self.get_context_data(), status=200 if self.validlink else 400) def get_user(self, uidb64): """ Get user from the base64-encoded string. """ try: # urlsafe_base64_decode() decodes to bytestring uid = urlsafe_base64_decode(uidb64).decode() user = User.objects.get(pk=uid) except (TypeError, ValueError, OverflowError, User.DoesNotExist, ValidationError): user = None return user def get_context_data(self, **kwargs): context = super().get_context_data(**kwargs) context['user_object'] = self.get_user(self.kwargs["uidb64"]) context['login_url'] = resolve_url(settings.LOGIN_URL) if self.validlink: context['validlink'] = True else: context.update({ 'title': _('Email validation unsuccessful'), 'validlink': False, }) return context class UserValidationEmailSentView(TemplateView): """ Display the information that the validation link has been sent. """ template_name = 'registration/email_validation_email_sent.html' extra_context = dict(title=_('Email validation email sent')) class UserResendValidationEmailView(LoginRequiredMixin, DetailView): """ Rensend the email validation link. """ model = User extra_context = dict(title=_("Resend email validation link")) def get(self, request, *args, **kwargs): user = self.get_object() user.registration.send_email_validation_link() return redirect('registration:email_validation_sent') class MyAccountDetailView(LoginRequiredMixin, RedirectView): """ Redirect to our own profile detail page. """ def get_redirect_url(self, *args, **kwargs): return reverse_lazy("registration:user_detail", args=(self.request.user.pk,)) class UserDetailView(LoginRequiredMixin, DetailView): """ Display the detail about a user. """ model = User context_object_name = "user_object" template_name = "registration/user_detail.html" def dispatch(self, request, *args, **kwargs): me = request.user if not me.is_authenticated: return self.handle_no_permission() user = self.get_object() if user == me or me.registration.is_admin or me.registration.is_volunteer \ and user.registration.participates and user.registration.team \ and (user.registration.team.participation.tournament in me.registration.organized_tournaments.all() or user.registration.team.participation.final and Tournament.final_tournament() in me.registration.organized_tournaments.all()) \ or user.registration.is_volunteer and me.registration.is_volunteer \ and me.registration.interesting_tournaments.intersection(user.registration.interesting_tournaments): return super().dispatch(request, *args, **kwargs) raise PermissionDenied def get_context_data(self, **kwargs): context = super().get_context_data(**kwargs) context["title"] = _("Detail of user {user}").format(user=str(self.object.registration)) return context class UserListView(VolunteerMixin, SingleTableView): """ Display the list of all registered users. """ model = Registration table_class = RegistrationTable template_name = "registration/user_list.html" class UserUpdateView(UserMixin, UpdateView): """ Update the detail about a user and its registration. """ model = User context_object_name = "user_object" form_class = UserForm template_name = "registration/update_user.html" def get_context_data(self, **kwargs): context = super().get_context_data(**kwargs) user = self.get_object() context["title"] = _("Update user {user}").format(user=str(self.object.registration)) context["registration_form"] = user.registration.form_class(data=self.request.POST or None, instance=self.object.registration) if not self.request.user.registration.is_admin: if "team" in context["registration_form"].fields: del context["registration_form"].fields["team"] if "admin" in context["registration_form"].fields: del context["registration_form"].fields["admin"] del context["registration_form"].fields["email_confirmed"] return context @transaction.atomic def form_valid(self, form): user = form.instance registration_form = user.registration.form_class(data=self.request.POST or None, instance=self.object.registration) if not self.request.user.registration.is_admin: if "team" in registration_form.fields: del registration_form.fields["team"] if "admin" in registration_form.fields: del registration_form.fields["admin"] del registration_form.fields["email_confirmed"] if not registration_form.is_valid(): return self.form_invalid(form) registration_form.save() return super().form_valid(form) def get_success_url(self): return reverse_lazy("registration:user_detail", args=(self.object.pk,)) class UserUploadPhotoAuthorizationView(UserRegistrationMixin, UpdateView): """ A participant can send its photo authorization. """ model = ParticipantRegistration form_class = PhotoAuthorizationForm template_name = "registration/upload_photo_authorization.html" extra_context = dict(title=_("Upload photo authorization")) @transaction.atomic def form_valid(self, form): old_instance = ParticipantRegistration.objects.get(pk=self.object.pk) if old_instance.photo_authorization: old_instance.photo_authorization.delete() old_instance.save() return super().form_valid(form) def get_success_url(self): return reverse_lazy("registration:user_detail", args=(self.object.user.pk,)) class UserUploadHealthSheetView(UserRegistrationMixin, UpdateView): """ A participant can send its health sheet. """ model = StudentRegistration form_class = HealthSheetForm template_name = "registration/upload_health_sheet.html" extra_context = dict(title=_("Upload health sheet")) @transaction.atomic def form_valid(self, form): old_instance = StudentRegistration.objects.get(pk=self.object.pk) if old_instance.health_sheet: old_instance.health_sheet.delete() old_instance.save() return super().form_valid(form) def get_success_url(self): return reverse_lazy("registration:user_detail", args=(self.object.user.pk,)) class UserUploadVaccineSheetView(UserRegistrationMixin, UpdateView): """ A participant can send its vaccine sheet. """ model = StudentRegistration form_class = VaccineSheetForm template_name = "registration/upload_vaccine_sheet.html" extra_context = dict(title=_("Upload vaccine sheet")) @transaction.atomic def form_valid(self, form): old_instance = StudentRegistration.objects.get(pk=self.object.pk) if old_instance.vaccine_sheet: old_instance.vaccine_sheet.delete() old_instance.save() return super().form_valid(form) def get_success_url(self): return reverse_lazy("registration:user_detail", args=(self.object.user.pk,)) class UserUploadParentalAuthorizationView(UserRegistrationMixin, UpdateView): """ A participant can send its parental authorization. """ model = StudentRegistration form_class = ParentalAuthorizationForm template_name = "registration/upload_parental_authorization.html" extra_context = dict(title=_("Upload parental authorization")) @transaction.atomic def form_valid(self, form): old_instance = StudentRegistration.objects.get(pk=self.object.pk) if old_instance.parental_authorization: old_instance.parental_authorization.delete() old_instance.save() return super().form_valid(form) def get_success_url(self): return reverse_lazy("registration:user_detail", args=(self.object.user.pk,)) class AuthorizationTemplateView(TemplateView): def get_context_data(self, **kwargs): context = super().get_context_data(**kwargs) translation.activate("fr") if "registration_id" in self.request.GET: registration = Registration.objects.get(pk=self.request.GET.get("registration_id")) # Don't get unwanted information if registration.user == self.request.user \ or self.request.user.is_authenticated and self.request.user.registration.is_admin: context["registration"] = registration if "tournament_id" in self.request.GET and self.request.GET.get("tournament_id").isnumeric(): if not Tournament.objects.filter(pk=self.request.GET.get("tournament_id")).exists(): raise PermissionDenied("Ce tournoi n'existe pas.") context["tournament"] = Tournament.objects.get(pk=self.request.GET.get("tournament_id")) elif "tournament_name" in self.request.GET: if not Tournament.objects.filter(name__iexact=self.request.GET.get("tournament_name")).exists(): raise PermissionDenied("Ce tournoi n'existe pas.") context["tournament"] = Tournament.objects.get(name__iexact=self.request.GET.get("tournament_name")) else: raise PermissionDenied("Merci d'indiquer un tournoi.") return context def render_to_response(self, context, **response_kwargs): tex = render_to_string(self.template_name, context=context, request=self.request) temp_dir = mkdtemp() with open(os.path.join(temp_dir, "texput.tex"), "w") as f: f.write(tex) process = subprocess.Popen(["pdflatex", "-interaction=nonstopmode", f"-output-directory={temp_dir}", os.path.join(temp_dir, "texput.tex"), ]) process.wait() return FileResponse(open(os.path.join(temp_dir, "texput.pdf"), "rb"), content_type="application/pdf", filename=self.template_name.split("/")[-1][:-3] + "pdf") class AdultPhotoAuthorizationTemplateView(AuthorizationTemplateView): template_name = "registration/tex/Autorisation_droit_image_majeur.tex" class ChildPhotoAuthorizationTemplateView(AuthorizationTemplateView): template_name = "registration/tex/Autorisation_droit_image_mineur.tex" class ParentalAuthorizationTemplateView(AuthorizationTemplateView): template_name = "registration/tex/Autorisation_parentale.tex" class InstructionsTemplateView(AuthorizationTemplateView): template_name = "registration/tex/Instructions.tex" class PaymentUpdateView(LoginRequiredMixin, UpdateView): model = Payment form_class = PaymentAdminForm def dispatch(self, request, *args, **kwargs): if not self.request.user.is_authenticated or \ not self.request.user.registration.is_admin \ and self.request.user.registration not in self.get_object().registrations.all(): return self.handle_no_permission() return super().dispatch(request, *args, **kwargs) def get_context_data(self, **kwargs): context = super().get_context_data() context['title'] = _("Update payment") # Grouping is only possible if there isn't any validated payment in the team context['can_group'] = all(p.valid is False for reg in self.object.team.students.all() for p in reg.payments.filter(final=self.object.final).all()) context['bank_transfer_form'] = PaymentForm(payment_type='bank_transfer', data=self.request.POST or None, instance=self.object) if not self.object.grouped: context['scholarship_form'] = PaymentForm(payment_type='scholarship', data=self.request.POST or None, instance=self.object) context['other_form'] = PaymentForm(payment_type='other', data=self.request.POST or None, instance=self.object) return context def form_valid(self, form): old_instance = Payment.objects.get(pk=self.object.pk) if self.request.user.registration.participates: if old_instance.valid is not False: raise PermissionDenied(_("This payment is already valid or pending validation.")) else: form.instance.valid = None if old_instance.receipt: old_instance.receipt.delete() old_instance.save() return super().form_valid(form) def get_success_url(self): return reverse_lazy("participation:team_detail", args=(self.object.registrations.first().team.pk,)) class PaymentUpdateGroupView(LoginRequiredMixin, DetailView): model = Payment def dispatch(self, request, *args, **kwargs): payment = self.get_object() if not self.request.user.is_authenticated or \ not self.request.user.registration.is_admin \ and (self.request.user.registration not in self.get_object().registrations.all() or payment.valid is not False): return self.handle_no_permission() if any(p.valid is not False for reg in payment.team.students.all() for p in reg.payments.filter(final=payment.final).all()): raise PermissionDenied(_("Since one payment is already validated, or pending validation, " "grouping is not possible.")) return super().dispatch(request, *args, **kwargs) def get(self, request, *args, **kwargs): payment = self.get_object() if payment.valid is not False: raise PermissionDenied(_("This payment is already valid or pending validation.")) if payment.grouped: registrations = list(payment.registrations.all()) first_reg = registrations[0] payment.registrations.set([first_reg]) payment.grouped = False tournament = first_reg.team.participation.tournament if not payment.final else Tournament.final_tournament() payment.amount = tournament.price payment.checkout_intent_id = None payment.save() for registration in registrations[1:]: p = Payment.objects.create(type=payment.type, grouped=False, final=payment.final, amount=tournament.price, receipt=payment.receipt, additional_information=payment.additional_information) p.registrations.set([registration]) p.save() else: reg = payment.registrations.get() tournament = reg.team.participation.tournament if not payment.final else Tournament.final_tournament() for student in reg.team.students.all(): if student != reg: Payment.objects.filter(registrations=student, final=payment.final).delete() payment.registrations.add(student) payment.amount = tournament.price * reg.team.students.count() payment.grouped = True payment.checkout_intent_id = None payment.save() return redirect(reverse_lazy("registration:update_payment", args=(payment.pk,))) class PaymentRedirectHelloAssoView(AccessMixin, DetailView): model = Payment def dispatch(self, request, *args, **kwargs): payment = self.get_object() # An external user has the link for the payment token = request.GET.get('token', "") if token and token == payment.token: return super().dispatch(request, *args, **kwargs) if not request.user.is_authenticated: return self.handle_no_permission() if not request.user.registration.is_admin: if request.user.registration.is_volunteer \ and payment.tournament not in request.user.registration.organized_tournaments.all(): return self.handle_no_permission() if request.user.registration.is_student \ and request.user.registration not in payment.registrations.all(): return self.handle_no_permission() if request.user.registration.is_coach \ and request.user.registration.team != payment.team: return self.handle_no_permission() return super().dispatch(request, *args, **kwargs) def get(self, request, *args, **kwargs): payment = self.get_object() if payment.valid is not False: raise PermissionDenied(_("The payment is already valid or pending validation.")) checkout_intent = payment.create_checkout_intent() return redirect(checkout_intent["redirectUrl"]) class PaymentHelloAssoReturnView(DetailView): model = Payment def get(self, request, *args, **kwargs): checkout_id = request.GET.get("checkoutIntentId") payment = self.get_object() payment_qs = Payment.objects.exclude(valid=True).filter(checkout_intent_id=checkout_id).filter(pk=payment.pk) if not payment_qs.exists(): messages.error(request, _("The payment is not found or is already validated."), "danger") return redirect("index") team = payment.team tournament = payment.tournament right_to_see = not request.user.is_anonymous \ and (request.user.registration.is_admin or request.user.registration in payment.registrations.all() or (request.user.registration.is_volunteer and tournament in request.user.registration.organized_tournaments.all()) or (request.user.registration.is_coach and request.user.registration.team == team)) if right_to_see: error_response = redirect("registration:update_payment", pk=payment.pk) else: error_response = redirect("index") return_type = request.GET.get("type") if return_type == "error": messages.error(request, format_lazy(_("An error occurred during the payment: {error}"), error=request.GET.get("error")), "danger") return error_response elif return_type == "return": code = request.GET.get("code") if code == "refused": messages.error(request, _("The payment has been refused."), "danger") return error_response elif code != "succeeded": messages.error(request, format_lazy(_("The return code is unknown: {code}"), code=code), "danger") return error_response else: messages.error(request, format_lazy(_("The return type is unknown: {type}"), type=return_type), "danger") return error_response checkout_intent = payment.get_checkout_intent() if 'order' in checkout_intent: payment.type = "helloasso" payment.valid = True payment.additional_information = json.dumps(checkout_intent['order']) payment.save() messages.success(request, _("The payment has been successfully validated! " "Your registration is now complete.")) payment.send_helloasso_payment_confirmation_mail() else: payment.type = "helloasso" payment.valid = None payment.save() messages.success(request, _("Your payment is done! " "The validation of your payment may takes a few minutes, " "and will be automatically done. " "If it is not the case, please contact us.")) if right_to_see: return redirect("participation:team_detail", pk=team.pk) else: return redirect("index") class PhotoAuthorizationView(LoginRequiredMixin, View): """ Display the sent photo authorization. """ def get(self, request, *args, **kwargs): filename = kwargs["filename"] path = f"media/authorization/photo/{filename}" if not os.path.exists(path): raise Http404 student = ParticipantRegistration.objects.get(photo_authorization__endswith=filename) user = request.user if not (student.user == user or user.registration.is_admin or user.registration.is_volunteer and student.team and student.team.participation.tournament in user.registration.organized_tournaments.all()): raise PermissionDenied # Guess mime type of the file mime = Magic(mime=True) mime_type = mime.from_file(path) ext = mime_type.split("/")[1].replace("jpeg", "jpg") # Replace file name true_file_name = _("Photo authorization of {student}.{ext}").format(student=str(student), ext=ext) return FileResponse(open(path, "rb"), content_type=mime_type, filename=true_file_name) class HealthSheetView(LoginRequiredMixin, View): """ Display the sent health sheet. """ def get(self, request, *args, **kwargs): filename = kwargs["filename"] path = f"media/authorization/health/{filename}" if not os.path.exists(path): raise Http404 student = StudentRegistration.objects.get(health_sheet__endswith=filename) user = request.user if not (student.user == user or user.registration.is_admin or user.registration.is_volunteer and student.team and student.team.participation.tournament in user.registration.organized_tournaments.all()): raise PermissionDenied # Guess mime type of the file mime = Magic(mime=True) mime_type = mime.from_file(path) ext = mime_type.split("/")[1].replace("jpeg", "jpg") # Replace file name true_file_name = _("Health sheet of {student}.{ext}").format(student=str(student), ext=ext) return FileResponse(open(path, "rb"), content_type=mime_type, filename=true_file_name) class VaccineSheetView(LoginRequiredMixin, View): """ Display the sent health sheet. """ def get(self, request, *args, **kwargs): filename = kwargs["filename"] path = f"media/authorization/vaccine/{filename}" if not os.path.exists(path): raise Http404 student = StudentRegistration.objects.get(vaccine_sheet__endswith=filename) user = request.user if not (student.user == user or user.registration.is_admin or user.registration.is_volunteer and student.team and student.team.participation.tournament in user.registration.organized_tournaments.all()): raise PermissionDenied # Guess mime type of the file mime = Magic(mime=True) mime_type = mime.from_file(path) ext = mime_type.split("/")[1].replace("jpeg", "jpg") # Replace file name true_file_name = _("Vaccine sheet of {student}.{ext}").format(student=str(student), ext=ext) return FileResponse(open(path, "rb"), content_type=mime_type, filename=true_file_name) class ParentalAuthorizationView(LoginRequiredMixin, View): """ Display the sent parental authorization. """ def get(self, request, *args, **kwargs): filename = kwargs["filename"] path = f"media/authorization/parental/{filename}" if not os.path.exists(path): raise Http404 student = StudentRegistration.objects.get(parental_authorization__endswith=filename) user = request.user if not (student.user == user or user.registration.is_admin or user.registration.is_volunteer and student.team and student.team.participation.tournament in user.registration.organized_tournaments.all()): raise PermissionDenied # Guess mime type of the file mime = Magic(mime=True) mime_type = mime.from_file(path) ext = mime_type.split("/")[1].replace("jpeg", "jpg") # Replace file name true_file_name = _("Parental authorization of {student}.{ext}").format(student=str(student), ext=ext) return FileResponse(open(path, "rb"), content_type=mime_type, filename=true_file_name) class ReceiptView(LoginRequiredMixin, View): """ Display the sent payment receipt or scholarship notification. """ def get(self, request, *args, **kwargs): filename = kwargs["filename"] path = f"media/authorization/receipt/{filename}" if not os.path.exists(path): raise Http404 payment = Payment.objects.get(receipt__endswith=filename) user = request.user if not (user.registration in payment.registrations.all() or user.registration.is_admin): raise PermissionDenied # Guess mime type of the file mime = Magic(mime=True) mime_type = mime.from_file(path) ext = mime_type.split("/")[1].replace("jpeg", "jpg") # Replace file name true_file_name = _("Payment receipt of {user}.{ext}").format(user=str(user.registration), ext=ext) return FileResponse(open(path, "rb"), content_type=mime_type, filename=true_file_name) class SolutionView(LoginRequiredMixin, View): """ Display the sent solution. """ def get(self, request, *args, **kwargs): filename = kwargs["filename"] path = f"media/solutions/{filename}" if not os.path.exists(path): raise Http404 solution = Solution.objects.get(file__endswith=filename) user = request.user if user.registration.participates: passage_participant_qs = Passage.objects.filter(Q(defender=user.registration.team.participation) | Q(opponent=user.registration.team.participation) | Q(reporter=user.registration.team.participation), defender=solution.participation, solution_number=solution.problem) else: passage_participant_qs = Passage.objects.none() if not (user.registration.is_admin or user.registration.is_volunteer and user.registration in (solution.participation.tournament if not solution.final_solution else Tournament.final_tournament()).organizers.all() or user.registration.is_volunteer and Passage.objects.filter(Q(pool__juries=user.registration) | Q(pool__tournament__in=user.registration.organized_tournaments.all()), defender=solution.participation, solution_number=solution.problem).exists() or user.registration.participates and user.registration.team and (solution.participation.team == user.registration.team or any(passage.pool.round == 1 or timezone.now() >= passage.pool.tournament.solutions_available_second_phase for passage in passage_participant_qs.all()))): raise PermissionDenied # Guess mime type of the file mime = Magic(mime=True) mime_type = mime.from_file(path) ext = mime_type.split("/")[1].replace("jpeg", "jpg") # Replace file name true_file_name = str(solution) + f".{ext}" return FileResponse(open(path, "rb"), content_type=mime_type, filename=true_file_name) class SynthesisView(LoginRequiredMixin, View): """ Display the sent synthesis. """ def get(self, request, *args, **kwargs): filename = kwargs["filename"] path = f"media/syntheses/{filename}" if not os.path.exists(path): raise Http404 synthesis = Synthesis.objects.get(file__endswith=filename) user = request.user if not (user.registration.is_admin or user.registration.is_volunteer and (user.registration in synthesis.passage.pool.juries.all() or user.registration in synthesis.passage.pool.tournament.organizers.all()) or user.registration.participates and user.registration.team == synthesis.participation.team): raise PermissionDenied # Guess mime type of the file mime = Magic(mime=True) mime_type = mime.from_file(path) ext = mime_type.split("/")[1].replace("jpeg", "jpg") # Replace file name true_file_name = str(synthesis) + f".{ext}" return FileResponse(open(path, "rb"), content_type=mime_type, filename=true_file_name) class UserImpersonateView(LoginRequiredMixin, RedirectView): """ An administrator can log in through this page as someone else, and act as this other person. """ def dispatch(self, request, *args, **kwargs): if self.request.user.registration.is_admin: if not User.objects.filter(pk=kwargs["pk"]).exists(): raise Http404 session = request.session session["admin"] = request.user.pk session["_fake_user_id"] = kwargs["pk"] return super().dispatch(request, *args, **kwargs) def get_redirect_url(self, *args, **kwargs): return reverse_lazy("registration:user_detail", args=(kwargs["pk"],)) class ResetAdminView(LoginRequiredMixin, View): """ Return to admin view, clear the session field that let an administrator to log in as someone else. """ def dispatch(self, request, *args, **kwargs): user = request.user if not user.is_authenticated: return self.handle_no_permission() if "_fake_user_id" in request.session: del request.session["_fake_user_id"] return redirect(request.GET.get("path", reverse_lazy("index")))