from __future__ import absolute_import import sys from django import forms from django.core.exceptions import PermissionDenied from django.core.urlresolvers import get_resolver from django.http import HttpResponse, HttpResponseRedirect from django.shortcuts import render_to_response, render from django.template import Context, RequestContext, TemplateDoesNotExist from django.views.debug import technical_500_response, SafeExceptionReporterFilter from django.views.decorators.debug import (sensitive_post_parameters, sensitive_variables) from django.utils.log import getLogger from . import BrokenException, except_args from .models import Article def index_page(request): """Dummy index page""" return HttpResponse('Dummy page') def custom_create(request): """ Calls create_object generic view with a custom form class. """ class SlugChangingArticleForm(forms.ModelForm): """Custom form class to overwrite the slug.""" class Meta: model = Article def save(self, *args, **kwargs): self.instance.slug = 'some-other-slug' return super(SlugChangingArticleForm, self).save(*args, **kwargs) from django.views.generic.create_update import create_object return create_object(request, post_save_redirect='/create_update/view/article/%(slug)s/', form_class=SlugChangingArticleForm) def raises(request): # Make sure that a callable that raises an exception in the stack frame's # local vars won't hijack the technical 500 response. See: # http://code.djangoproject.com/ticket/15025 def callable(): raise Exception try: raise Exception except Exception: return technical_500_response(request, *sys.exc_info()) def raises404(request): resolver = get_resolver(None) resolver.resolve('') def raises403(request): raise PermissionDenied def redirect(request): """ Forces an HTTP redirect. """ return HttpResponseRedirect("target/") def view_exception(request, n): raise BrokenException(except_args[int(n)]) def template_exception(request, n): return render_to_response('debug/template_exception.html', {'arg': except_args[int(n)]}) # Some views to exercise the shortcuts def render_to_response_view(request): return render_to_response('debug/render_test.html', { 'foo': 'FOO', 'bar': 'BAR', }) def render_to_response_view_with_request_context(request): return render_to_response('debug/render_test.html', { 'foo': 'FOO', 'bar': 'BAR', }, context_instance=RequestContext(request)) def render_to_response_view_with_mimetype(request): return render_to_response('debug/render_test.html', { 'foo': 'FOO', 'bar': 'BAR', }, mimetype='application/x-rendertest') def render_view(request): return render(request, 'debug/render_test.html', { 'foo': 'FOO', 'bar': 'BAR', }) def render_view_with_base_context(request): return render(request, 'debug/render_test.html', { 'foo': 'FOO', 'bar': 'BAR', }, context_instance=Context()) def render_view_with_content_type(request): return render(request, 'debug/render_test.html', { 'foo': 'FOO', 'bar': 'BAR', }, content_type='application/x-rendertest') def render_view_with_status(request): return render(request, 'debug/render_test.html', { 'foo': 'FOO', 'bar': 'BAR', }, status=403) def render_view_with_current_app(request): return render(request, 'debug/render_test.html', { 'foo': 'FOO', 'bar': 'BAR', }, current_app="foobar_app") def render_view_with_current_app_conflict(request): # This should fail because we don't passing both a current_app and # context_instance: return render(request, 'debug/render_test.html', { 'foo': 'FOO', 'bar': 'BAR', }, current_app="foobar_app", context_instance=RequestContext(request)) def raises_template_does_not_exist(request): # We need to inspect the HTML generated by the fancy 500 debug view but # the test client ignores it, so we send it explicitly. try: return render_to_response('i_dont_exist.html') except TemplateDoesNotExist: return technical_500_response(request, *sys.exc_info()) def send_log(request, exc_info): logger = getLogger('django.request') # The default logging config has a logging filter to ensure admin emails are # only sent with DEBUG=False, but since someone might choose to remove that # filter, we still want to be able to test the behavior of error emails # with DEBUG=True. So we need to remove the filter temporarily. admin_email_handler = [ h for h in logger.handlers if h.__class__.__name__ == "AdminEmailHandler" ][0] orig_filters = admin_email_handler.filters admin_email_handler.filters = [] logger.error('Internal Server Error: %s' % request.path, exc_info=exc_info, extra={ 'status_code': 500, 'request': request } ) admin_email_handler.filters = orig_filters def non_sensitive_view(request): # Do not just use plain strings for the variables' values in the code # so that the tests don't return false positives when the function's source # is displayed in the exception report. cooked_eggs = ''.join(['s', 'c', 'r', 'a', 'm', 'b', 'l', 'e', 'd']) sauce = ''.join(['w', 'o', 'r', 'c', 'e', 's', 't', 'e', 'r', 's', 'h', 'i', 'r', 'e']) try: raise Exception except Exception: exc_info = sys.exc_info() send_log(request, exc_info) return technical_500_response(request, *exc_info) @sensitive_variables('sauce') @sensitive_post_parameters('bacon-key', 'sausage-key') def sensitive_view(request): # Do not just use plain strings for the variables' values in the code # so that the tests don't return false positives when the function's source # is displayed in the exception report. cooked_eggs = ''.join(['s', 'c', 'r', 'a', 'm', 'b', 'l', 'e', 'd']) sauce = ''.join(['w', 'o', 'r', 'c', 'e', 's', 't', 'e', 'r', 's', 'h', 'i', 'r', 'e']) try: raise Exception except Exception: exc_info = sys.exc_info() send_log(request, exc_info) return technical_500_response(request, *exc_info) @sensitive_variables() @sensitive_post_parameters() def paranoid_view(request): # Do not just use plain strings for the variables' values in the code # so that the tests don't return false positives when the function's source # is displayed in the exception report. cooked_eggs = ''.join(['s', 'c', 'r', 'a', 'm', 'b', 'l', 'e', 'd']) sauce = ''.join(['w', 'o', 'r', 'c', 'e', 's', 't', 'e', 'r', 's', 'h', 'i', 'r', 'e']) try: raise Exception except Exception: exc_info = sys.exc_info() send_log(request, exc_info) return technical_500_response(request, *exc_info) class UnsafeExceptionReporterFilter(SafeExceptionReporterFilter): """ Ignores all the filtering done by its parent class. """ def get_post_parameters(self, request): return request.POST def get_traceback_frame_variables(self, request, tb_frame): return tb_frame.f_locals.items() @sensitive_variables() @sensitive_post_parameters() def custom_exception_reporter_filter_view(request): # Do not just use plain strings for the variables' values in the code # so that the tests don't return false positives when the function's source # is displayed in the exception report. cooked_eggs = ''.join(['s', 'c', 'r', 'a', 'm', 'b', 'l', 'e', 'd']) sauce = ''.join(['w', 'o', 'r', 'c', 'e', 's', 't', 'e', 'r', 's', 'h', 'i', 'r', 'e']) request.exception_reporter_filter = UnsafeExceptionReporterFilter() try: raise Exception except Exception: exc_info = sys.exc_info() send_log(request, exc_info) return technical_500_response(request, *exc_info)