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123 lines
3.7 KiB
Python
123 lines
3.7 KiB
Python
"""testing views for Django 2.x and 3.x"""
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from django.urls import path, re_path
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from django.http import HttpResponse
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from django.views import View
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def url_match_xss(request, foo, bar, no_taint=None):
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return HttpResponse('url_match_xss: {} {}'.format(foo, bar))
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def get_params_xss(request):
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return HttpResponse(request.GET.get("untrusted"))
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def post_params_xss(request):
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return HttpResponse(request.POST.get("untrusted"))
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def http_resp_write(request):
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rsp = HttpResponse()
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rsp.write(request.GET.get("untrusted"))
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return rsp
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class Foo(object):
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# Note: since Foo is used as the super type in a class view, it will be able to handle requests.
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def post(self, request, untrusted):
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return HttpResponse('Foo post: {}'.format(untrusted))
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class ClassView(View, Foo):
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def get(self, request, untrusted):
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return HttpResponse('ClassView get: {}'.format(untrusted))
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def show_articles(request, page_number=1):
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page_number = int(page_number)
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return HttpResponse('articles page: {}'.format(page_number))
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def xxs_positional_arg(request, arg0, arg1, no_taint=None):
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return HttpResponse('xxs_positional_arg: {} {}'.format(arg0, arg1))
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urlpatterns = [
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re_path(r'^url_match/(?P<foo>[^/]+)/(?P<bar>[^/]+)$', url_match_xss),
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re_path(r'^get_params$', get_params_xss),
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re_path(r'^post_params$', post_params_xss),
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re_path(r'^http_resp_write$', http_resp_write),
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re_path(r'^class_view/(?P<untrusted>.+)$', ClassView.as_view()),
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# one pattern to support `articles/page-<n>` and ensuring that articles/ goes to page-1
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re_path(r'articles/^(?:page-(?P<page_number>\d+)/)?$', show_articles),
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# passing as positional argument is not the recommended way of doing things, but it is certainly
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# possible
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re_path(r'^([^/]+)/(?:foo|bar)/([^/]+)$', xxs_positional_arg, name='xxs_positional_arg'),
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]
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# Show we understand the keyword arguments to from django.urls.re_path
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def re_path_kwargs(request):
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return HttpResponse('re_path_kwargs')
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urlpatterns = [
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re_path(view=re_path_kwargs, regex=r'^specifying-as-kwargs-is-not-a-problem$')
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]
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################################################################################
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# Using path
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################################################################################
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# saying page_number is an externally controlled *string* is a bit strange, when we have an int converter :O
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def page_number(request, page_number=1):
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return HttpResponse('page_number: {}'.format(page_number))
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def foo_bar_baz(request, foo, bar, baz):
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return HttpResponse('foo_bar_baz: {} {} {}'.format(foo, bar, baz))
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def path_kwargs(request, foo, bar):
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return HttpResponse('path_kwargs: {} {} {}'.format(foo, bar))
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def not_valid_identifier(request):
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return HttpResponse('<foo!>')
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urlpatterns = [
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path('articles/', page_number),
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path('articles/page-<int:page_number>', page_number),
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path('<int:foo>/<str:bar>/<baz>', foo_bar_baz, name='foo-bar-baz'),
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path(view=path_kwargs, route='<foo>/<bar>'),
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# We should not report there is a request parameter called `not_valid!`
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path('not_valid/<not_valid!>', not_valid_identifier),
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]
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################################################################################
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# We should abort if a decorator is used. As demonstrated below, anything might happen
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# def reverse_kwargs(f):
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# @wraps(f)
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# def f_(*args, **kwargs):
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# new_kwargs = dict()
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# for key, value in kwargs.items():
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# new_kwargs[key[::-1]] = value
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# return f(*args, **new_kwargs)
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# return f_
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# @reverse_kwargs
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# def decorators_can_do_anything(request, oof, foo=None):
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# return HttpResponse('This is a mess'[::-1])
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# urlpatterns = [
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# path('rev/<foo>', decorators_can_do_anything),
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# ]
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