205 lines
8.4 KiB
Python
205 lines
8.4 KiB
Python
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from django.conf import settings
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from django.contrib import admin, messages
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from django.contrib.admin.options import IS_POPUP_VAR
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from django.contrib.admin.utils import unquote
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from django.contrib.auth import update_session_auth_hash
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from django.contrib.auth.forms import (
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AdminPasswordChangeForm, UserChangeForm, UserCreationForm,
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)
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from django.contrib.auth.models import Group, User
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from django.core.exceptions import PermissionDenied
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from django.db import router, transaction
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from django.http import Http404, HttpResponseRedirect
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from django.template.response import TemplateResponse
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from django.urls import path, reverse
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from django.utils.decorators import method_decorator
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from django.utils.html import escape
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from django.utils.translation import gettext, gettext_lazy as _
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from django.views.decorators.csrf import csrf_protect
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from django.views.decorators.debug import sensitive_post_parameters
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csrf_protect_m = method_decorator(csrf_protect)
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sensitive_post_parameters_m = method_decorator(sensitive_post_parameters())
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@admin.register(Group)
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class GroupAdmin(admin.ModelAdmin):
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search_fields = ('name',)
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ordering = ('name',)
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filter_horizontal = ('permissions',)
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def formfield_for_manytomany(self, db_field, request=None, **kwargs):
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if db_field.name == 'permissions':
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qs = kwargs.get('queryset', db_field.remote_field.model.objects)
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# Avoid a major performance hit resolving permission names which
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# triggers a content_type load:
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kwargs['queryset'] = qs.select_related('content_type')
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return super().formfield_for_manytomany(db_field, request=request, **kwargs)
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@admin.register(User)
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class UserAdmin(admin.ModelAdmin):
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add_form_template = 'admin/auth/user/add_form.html'
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change_user_password_template = None
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fieldsets = (
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(None, {'fields': ('username', 'password')}),
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(_('Personal info'), {'fields': ('first_name', 'last_name', 'email')}),
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(_('Permissions'), {'fields': ('is_active', 'is_staff', 'is_superuser',
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'groups', 'user_permissions')}),
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(_('Important dates'), {'fields': ('last_login', 'date_joined')}),
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)
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add_fieldsets = (
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(None, {
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'classes': ('wide',),
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'fields': ('username', 'password1', 'password2'),
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}),
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)
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form = UserChangeForm
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add_form = UserCreationForm
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change_password_form = AdminPasswordChangeForm
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list_display = ('username', 'email', 'first_name', 'last_name', 'is_staff')
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list_filter = ('is_staff', 'is_superuser', 'is_active', 'groups')
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search_fields = ('username', 'first_name', 'last_name', 'email')
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ordering = ('username',)
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filter_horizontal = ('groups', 'user_permissions',)
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def get_fieldsets(self, request, obj=None):
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if not obj:
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return self.add_fieldsets
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return super().get_fieldsets(request, obj)
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def get_form(self, request, obj=None, **kwargs):
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"""
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Use special form during user creation
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"""
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defaults = {}
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if obj is None:
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defaults['form'] = self.add_form
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defaults.update(kwargs)
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return super().get_form(request, obj, **defaults)
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def get_urls(self):
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return [
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path(
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'<id>/password/',
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self.admin_site.admin_view(self.user_change_password),
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name='auth_user_password_change',
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),
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] + super().get_urls()
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def lookup_allowed(self, lookup, value):
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# Don't allow lookups involving passwords.
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return not lookup.startswith('password') and super().lookup_allowed(lookup, value)
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@sensitive_post_parameters_m
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@csrf_protect_m
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def add_view(self, request, form_url='', extra_context=None):
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with transaction.atomic(using=router.db_for_write(self.model)):
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return self._add_view(request, form_url, extra_context)
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def _add_view(self, request, form_url='', extra_context=None):
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# It's an error for a user to have add permission but NOT change
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# permission for users. If we allowed such users to add users, they
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# could create superusers, which would mean they would essentially have
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# the permission to change users. To avoid the problem entirely, we
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# disallow users from adding users if they don't have change
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# permission.
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if not self.has_change_permission(request):
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if self.has_add_permission(request) and settings.DEBUG:
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# Raise Http404 in debug mode so that the user gets a helpful
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# error message.
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raise Http404(
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'Your user does not have the "Change user" permission. In '
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'order to add users, Django requires that your user '
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'account have both the "Add user" and "Change user" '
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'permissions set.')
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raise PermissionDenied
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if extra_context is None:
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extra_context = {}
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username_field = self.model._meta.get_field(self.model.USERNAME_FIELD)
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defaults = {
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'auto_populated_fields': (),
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'username_help_text': username_field.help_text,
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}
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extra_context.update(defaults)
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return super().add_view(request, form_url, extra_context)
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@sensitive_post_parameters_m
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def user_change_password(self, request, id, form_url=''):
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if not self.has_change_permission(request):
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raise PermissionDenied
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user = self.get_object(request, unquote(id))
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if user is None:
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raise Http404(_('%(name)s object with primary key %(key)r does not exist.') % {
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'name': self.model._meta.verbose_name,
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'key': escape(id),
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})
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if request.method == 'POST':
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form = self.change_password_form(user, request.POST)
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if form.is_valid():
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form.save()
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change_message = self.construct_change_message(request, form, None)
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self.log_change(request, user, change_message)
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msg = gettext('Password changed successfully.')
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messages.success(request, msg)
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update_session_auth_hash(request, form.user)
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return HttpResponseRedirect(
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reverse(
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'%s:%s_%s_change' % (
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self.admin_site.name,
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user._meta.app_label,
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user._meta.model_name,
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),
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args=(user.pk,),
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)
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)
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else:
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form = self.change_password_form(user)
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fieldsets = [(None, {'fields': list(form.base_fields)})]
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adminForm = admin.helpers.AdminForm(form, fieldsets, {})
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context = {
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'title': _('Change password: %s') % escape(user.get_username()),
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'adminForm': adminForm,
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'form_url': form_url,
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'form': form,
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'is_popup': (IS_POPUP_VAR in request.POST or
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IS_POPUP_VAR in request.GET),
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'add': True,
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'change': False,
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'has_delete_permission': False,
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'has_change_permission': True,
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'has_absolute_url': False,
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'opts': self.model._meta,
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'original': user,
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'save_as': False,
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'show_save': True,
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**self.admin_site.each_context(request),
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}
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request.current_app = self.admin_site.name
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return TemplateResponse(
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request,
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self.change_user_password_template or
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'admin/auth/user/change_password.html',
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context,
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)
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def response_add(self, request, obj, post_url_continue=None):
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"""
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Determine the HttpResponse for the add_view stage. It mostly defers to
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its superclass implementation but is customized because the User model
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has a slightly different workflow.
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"""
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# We should allow further modification of the user just added i.e. the
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# 'Save' button should behave like the 'Save and continue editing'
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# button except in two scenarios:
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# * The user has pressed the 'Save and add another' button
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# * We are adding a user in a popup
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if '_addanother' not in request.POST and IS_POPUP_VAR not in request.POST:
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request.POST = request.POST.copy()
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request.POST['_continue'] = 1
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return super().response_add(request, obj, post_url_continue)
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