From 60c17253ab5618e071bc51b0ce9df8053bda9ae3 Mon Sep 17 00:00:00 2001 From: Cesar Canassa Date: Mon, 3 Aug 2015 17:54:18 +0200 Subject: [PATCH 1/7] Add test to check if a 415 status is returned for unsupported media types --- tests/test_response.py | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/tests/test_response.py b/tests/test_response.py index 1dd5d5ea0..b53688e5c 100644 --- a/tests/test_response.py +++ b/tests/test_response.py @@ -5,6 +5,7 @@ from django.test import TestCase from django.utils import six from rest_framework import generics, routers, serializers, status, viewsets +from rest_framework.parsers import JSONParser from rest_framework.renderers import ( BaseRenderer, BrowsableAPIRenderer, JSONRenderer ) @@ -79,6 +80,14 @@ class MockViewSettingContentType(APIView): return Response(DUMMYCONTENT, status=DUMMYSTATUS, content_type='setbyview') +class JSONView(APIView): + parser_classes = (JSONParser,) + + def post(self, request, **kwargs): + assert request.data + return Response(DUMMYCONTENT) + + class HTMLView(APIView): renderer_classes = (BrowsableAPIRenderer, ) @@ -114,6 +123,7 @@ urlpatterns = [ url(r'^.*\.(?P.+)$', MockView.as_view(renderer_classes=[RendererA, RendererB, RendererC])), url(r'^$', MockView.as_view(renderer_classes=[RendererA, RendererB, RendererC])), url(r'^html$', HTMLView.as_view()), + url(r'^json$', JSONView.as_view()), url(r'^html1$', HTMLView1.as_view()), url(r'^html_new_model$', HTMLNewModelView.as_view()), url(r'^html_new_model_viewset', include(new_model_viewset_router.urls)), @@ -203,6 +213,25 @@ class RendererIntegrationTests(TestCase): self.assertEqual(resp.status_code, DUMMYSTATUS) +class UnsupportedMediaTypeTests(TestCase): + urls = 'tests.test_response' + + def test_should_allow_posting_json(self): + response = self.client.post('/json', data='{"test": 123}', content_type='application/json') + + self.assertEqual(response.status_code, 200) + + def test_should_not_allow_posting_xml(self): + response = self.client.post('/json', data='123', content_type='application/xml') + + self.assertEqual(response.status_code, 415) + + def test_should_not_allow_posting_a_form(self): + response = self.client.post('/json', data={'test': 123}) + + self.assertEqual(response.status_code, 415) + + class Issue122Tests(TestCase): """ Tests that covers #122. From 566812ac0b577f79801ec67f86f064cf39ebee01 Mon Sep 17 00:00:00 2001 From: Tom Christie Date: Thu, 17 Sep 2015 15:17:29 +0100 Subject: [PATCH 2/7] Remove method and content overriding --- rest_framework/renderers.py | 38 +++---- rest_framework/request.py | 98 +------------------ rest_framework/settings.py | 3 - .../static/rest_framework/js/ajax-form.js | 97 ++++++++++++++++++ .../static/rest_framework/js/csrf.js | 47 +++++++++ .../rest_framework/js/jquery-1.11.3.min.js | 5 + .../templates/rest_framework/base.html | 29 +++--- .../rest_framework/raw_data_form.html | 1 - tests/test_request.py | 73 -------------- tests/test_views.py | 30 ------ 10 files changed, 180 insertions(+), 241 deletions(-) create mode 100644 rest_framework/static/rest_framework/js/ajax-form.js create mode 100644 rest_framework/static/rest_framework/js/csrf.js create mode 100644 rest_framework/static/rest_framework/js/jquery-1.11.3.min.js diff --git a/rest_framework/renderers.py b/rest_framework/renderers.py index fb0dfcbd8..a450be848 100644 --- a/rest_framework/renderers.py +++ b/rest_framework/renderers.py @@ -420,9 +420,6 @@ class BrowsableAPIRenderer(BaseRenderer): if method not in view.allowed_methods: return # Not a valid method - if not api_settings.FORM_METHOD_OVERRIDE: - return # Cannot use form overloading - try: view.check_permissions(request) if obj is not None: @@ -530,13 +527,6 @@ class BrowsableAPIRenderer(BaseRenderer): instance = None with override_method(view, request, method) as request: - # If we're not using content overloading there's no point in - # supplying a generic form, as the view won't treat the form's - # value as the content of the request. - if not (api_settings.FORM_CONTENT_OVERRIDE and - api_settings.FORM_CONTENTTYPE_OVERRIDE): - return None - # Check permissions if not self.show_form_for_method(view, method, request, instance): return @@ -564,28 +554,22 @@ class BrowsableAPIRenderer(BaseRenderer): # Generate a generic form that includes a content type field, # and a content field. - content_type_field = api_settings.FORM_CONTENTTYPE_OVERRIDE - content_field = api_settings.FORM_CONTENT_OVERRIDE - media_types = [parser.media_type for parser in view.parser_classes] choices = [(media_type, media_type) for media_type in media_types] initial = media_types[0] - # NB. http://jacobian.org/writing/dynamic-form-generation/ class GenericContentForm(forms.Form): - def __init__(self): - super(GenericContentForm, self).__init__() - - self.fields[content_type_field] = forms.ChoiceField( - label='Media type', - choices=choices, - initial=initial - ) - self.fields[content_field] = forms.CharField( - label='Content', - widget=forms.Textarea, - initial=content - ) + _content_type = forms.ChoiceField( + label='Media type', + choices=choices, + initial=initial, + widget=forms.Select(attrs={'data-override': 'content-type'}) + ) + _content = forms.CharField( + label='Content', + widget=forms.Textarea(attrs={'data-override': 'content'}), + initial=content + ) return GenericContentForm() diff --git a/rest_framework/request.py b/rest_framework/request.py index 7b583485b..98a70eb3a 100644 --- a/rest_framework/request.py +++ b/rest_framework/request.py @@ -129,11 +129,6 @@ class Request(object): - authentication_classes(list/tuple). The authentications used to try authenticating the request's user. """ - - _METHOD_PARAM = api_settings.FORM_METHOD_OVERRIDE - _CONTENT_PARAM = api_settings.FORM_CONTENT_OVERRIDE - _CONTENTTYPE_PARAM = api_settings.FORM_CONTENTTYPE_OVERRIDE - def __init__(self, request, parsers=None, authenticators=None, negotiator=None, parser_context=None): self._request = request @@ -162,30 +157,10 @@ class Request(object): def _default_negotiator(self): return api_settings.DEFAULT_CONTENT_NEGOTIATION_CLASS() - @property - def method(self): - """ - Returns the HTTP method. - - This allows the `method` to be overridden by using a hidden `form` - field on a form POST request. - """ - if not _hasattr(self, '_method'): - self._load_method_and_content_type() - return self._method - @property def content_type(self): - """ - Returns the content type header. - - This should be used instead of `request.META.get('HTTP_CONTENT_TYPE')`, - as it allows the content type to be overridden by using a hidden form - field on a form POST request. - """ - if not _hasattr(self, '_content_type'): - self._load_method_and_content_type() - return self._content_type + meta = self._request.META + return meta.get('CONTENT_TYPE', meta.get('HTTP_CONTENT_TYPE', '')) @property def stream(self): @@ -265,9 +240,6 @@ class Request(object): """ Parses the request content into `self.data`. """ - if not _hasattr(self, '_content_type'): - self._load_method_and_content_type() - if not _hasattr(self, '_data'): self._data, self._files = self._parse() if self._files: @@ -276,32 +248,14 @@ class Request(object): else: self._full_data = self._data - def _load_method_and_content_type(self): - """ - Sets the method and content_type, and then check if they've - been overridden. - """ - self._content_type = self.META.get('HTTP_CONTENT_TYPE', - self.META.get('CONTENT_TYPE', '')) - - self._perform_form_overloading() - - if not _hasattr(self, '_method'): - self._method = self._request.method - - # Allow X-HTTP-METHOD-OVERRIDE header - if 'HTTP_X_HTTP_METHOD_OVERRIDE' in self.META: - self._method = self.META['HTTP_X_HTTP_METHOD_OVERRIDE'].upper() - def _load_stream(self): """ Return the content body of the request, as a stream. """ + meta = self._request.META try: content_length = int( - self.META.get( - 'CONTENT_LENGTH', self.META.get('HTTP_CONTENT_LENGTH') - ) + meta.get('CONTENT_LENGTH', meta.get('HTTP_CONTENT_LENGTH', 0)) ) except (ValueError, TypeError): content_length = 0 @@ -313,50 +267,6 @@ class Request(object): else: self._stream = six.BytesIO(self.raw_post_data) - def _perform_form_overloading(self): - """ - If this is a form POST request, then we need to check if the method and - content/content_type have been overridden by setting them in hidden - form fields or not. - """ - - USE_FORM_OVERLOADING = ( - self._METHOD_PARAM or - (self._CONTENT_PARAM and self._CONTENTTYPE_PARAM) - ) - - # We only need to use form overloading on form POST requests. - if ( - self._request.method != 'POST' or - not USE_FORM_OVERLOADING or - not is_form_media_type(self._content_type) - ): - return - - # At this point we're committed to parsing the request as form data. - self._data = self._request.POST - self._files = self._request.FILES - self._full_data = self._data.copy() - self._full_data.update(self._files) - - # Method overloading - change the method and remove the param from the content. - if ( - self._METHOD_PARAM and - self._METHOD_PARAM in self._data - ): - self._method = self._data[self._METHOD_PARAM].upper() - - # Content overloading - modify the content type, and force re-parse. - if ( - self._CONTENT_PARAM and - self._CONTENTTYPE_PARAM and - self._CONTENT_PARAM in self._data and - self._CONTENTTYPE_PARAM in self._data - ): - self._content_type = self._data[self._CONTENTTYPE_PARAM] - self._stream = six.BytesIO(self._data[self._CONTENT_PARAM].encode(self.parser_context['encoding'])) - self._data, self._files, self._full_data = (Empty, Empty, Empty) - def _parse(self): """ Parse the request content, returning a two-tuple of (data, files) diff --git a/rest_framework/settings.py b/rest_framework/settings.py index e20e51287..ec58d3ab6 100644 --- a/rest_framework/settings.py +++ b/rest_framework/settings.py @@ -94,9 +94,6 @@ DEFAULTS = { 'TEST_REQUEST_DEFAULT_FORMAT': 'multipart', # Browser enhancements - 'FORM_METHOD_OVERRIDE': '_method', - 'FORM_CONTENT_OVERRIDE': '_content', - 'FORM_CONTENTTYPE_OVERRIDE': '_content_type', 'URL_ACCEPT_OVERRIDE': 'accept', 'URL_FORMAT_OVERRIDE': 'format', diff --git a/rest_framework/static/rest_framework/js/ajax-form.js b/rest_framework/static/rest_framework/js/ajax-form.js new file mode 100644 index 000000000..db07fd8fb --- /dev/null +++ b/rest_framework/static/rest_framework/js/ajax-form.js @@ -0,0 +1,97 @@ +function replaceDocument(docString) { + var doc = document.open("text/html"); + doc.write(docString); + doc.close(); +} + + +function doAjaxSubmit(e) { + var form = $(this); + var btn = $(this.clk); + var method = btn.data('method') || form.data('method') || form.attr('method') || 'GET'; + method = method.toUpperCase() + if (method === 'GET') { + // GET requests can always use standard form submits. + return; + } + + var contentType = + form.find('input[data-override="content-type"]').val() || + form.find('select[data-override="content-type"] option:selected').text(); + if (method === 'POST' && !contentType) { + // POST requests can use standard form submits, unless we have + // overridden the content type. + return; + } + + // At this point we need to make an AJAX form submission. + e.preventDefault(); + + var url = form.attr('action'); + var data; + if (contentType) { + data = form.find('[data-override="content"]').val() || '' + } else { + contentType = form.attr('enctype') || form.attr('encoding') + if (contentType === 'multipart/form-data') { + if (!window.FormData) { + alert('Your browser does not support AJAX multipart form submissions'); + return; + } + // Use the FormData API and allow the content type to be set automatically, + // so it includes the boundary string. + // See https://developer.mozilla.org/en-US/docs/Web/API/FormData/Using_FormData_Objects + contentType = false; + data = new FormData(form[0]); + } else { + contentType = 'application/x-www-form-urlencoded; charset=UTF-8' + data = form.serialize(); + } + } + + var ret = $.ajax({ + url: url, + method: method, + data: data, + contentType: contentType, + processData: false, + headers: {'Accept': 'text/html; q=1.0, */*'}, + }); + ret.always(function(data, textStatus, jqXHR) { + if (textStatus != 'success') { + jqXHR = data; + } + var responseContentType = jqXHR.getResponseHeader("content-type") || ""; + if (responseContentType.toLowerCase().indexOf('text/html') === 0) { + replaceDocument(jqXHR.responseText); + try { + // Modify the location and scroll to top, as if after page load. + history.replaceState({}, '', url); + scroll(0,0); + } catch(err) { + // History API not supported, so redirect. + window.location = url; + } + } else { + // Not HTML content. We can't open this directly, so redirect. + window.location = url; + } + }); + return ret; +} + + +function captureSubmittingElement(e) { + var target = e.target; + var form = this; + form.clk = target; +} + + +$.fn.ajaxForm = function() { + var options = {} + return this + .unbind('submit.form-plugin click.form-plugin') + .bind('submit.form-plugin', options, doAjaxSubmit) + .bind('click.form-plugin', options, captureSubmittingElement); +}; diff --git a/rest_framework/static/rest_framework/js/csrf.js b/rest_framework/static/rest_framework/js/csrf.js new file mode 100644 index 000000000..4e8da0de5 --- /dev/null +++ b/rest_framework/static/rest_framework/js/csrf.js @@ -0,0 +1,47 @@ +function getCookie(name) { + var cookieValue = null; + if (document.cookie && document.cookie != '') { + var cookies = document.cookie.split(';'); + for (var i = 0; i < cookies.length; i++) { + var cookie = jQuery.trim(cookies[i]); + // Does this cookie string begin with the name we want? + if (cookie.substring(0, name.length + 1) == (name + '=')) { + cookieValue = decodeURIComponent(cookie.substring(name.length + 1)); + break; + } + } + } + return cookieValue; +} + +function csrfSafeMethod(method) { + // these HTTP methods do not require CSRF protection + return (/^(GET|HEAD|OPTIONS|TRACE)$/.test(method)); +} + +function sameOrigin(url) { + // test that a given url is a same-origin URL + // url could be relative or scheme relative or absolute + var host = document.location.host; // host + port + var protocol = document.location.protocol; + var sr_origin = '//' + host; + var origin = protocol + sr_origin; + // Allow absolute or scheme relative URLs to same origin + return (url == origin || url.slice(0, origin.length + 1) == origin + '/') || + (url == sr_origin || url.slice(0, sr_origin.length + 1) == sr_origin + '/') || + // or any other URL that isn't scheme relative or absolute i.e relative. + !(/^(\/\/|http:|https:).*/.test(url)); +} + +var csrftoken = getCookie('csrftoken'); + +$.ajaxSetup({ + beforeSend: function(xhr, settings) { + if (!csrfSafeMethod(settings.type) && sameOrigin(settings.url)) { + // Send the token to same-origin, relative URLs only. + // Send the token only if the method warrants CSRF protection + // Using the CSRFToken value acquired earlier + xhr.setRequestHeader("X-CSRFToken", csrftoken); + } + } +}); diff --git a/rest_framework/static/rest_framework/js/jquery-1.11.3.min.js b/rest_framework/static/rest_framework/js/jquery-1.11.3.min.js new file mode 100644 index 000000000..0f60b7bd0 --- /dev/null +++ b/rest_framework/static/rest_framework/js/jquery-1.11.3.min.js @@ -0,0 +1,5 @@ +/*! jQuery v1.11.3 | (c) 2005, 2015 jQuery Foundation, Inc. | jquery.org/license */ +!function(a,b){"object"==typeof module&&"object"==typeof module.exports?module.exports=a.document?b(a,!0):function(a){if(!a.document)throw new Error("jQuery requires a window with a document");return b(a)}:b(a)}("undefined"!=typeof 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