Attachment 895333 Details for Bug 1097500 – fix for 1.4 versions

[patch] fix for 1.4 versions

drop_fix_ie_for_vary_1_4.diff (text/plain), 4.66 KB, created by Murray McAllister on 2014-05-14 03:20:38 UTC

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Creator: Murray McAllister

Created: 2014-05-14 03:20:38 UTC

Size: 4.66 KB

patch

obsolete

>diff --git a/django/core/handlers/base.py b/django/core/handlers/base.py
>index a0918bf..99f81a6 100644
>--- a/django/core/handlers/base.py
>+++ b/django/core/handlers/base.py
>@@ -14,8 +14,6 @@ class BaseHandler(object):
>     response_fixes = [
>         http.fix_location_header,
>         http.conditional_content_removal,
>-        http.fix_IE_for_attach,
>-        http.fix_IE_for_vary,
>     ]
> 
>     def __init__(self):
>diff --git a/django/http/utils.py b/django/http/utils.py
>index 0180864..f98ca93 100644
>--- a/django/http/utils.py
>+++ b/django/http/utils.py
>@@ -31,57 +31,3 @@ def conditional_content_removal(request, response):
>     if request.method == 'HEAD':
>         response.content = ''
>     return response
>-
>-def fix_IE_for_attach(request, response):
>-    """
>-    This function will prevent Django from serving a Content-Disposition header
>-    while expecting the browser to cache it (only when the browser is IE). This
>-    leads to IE not allowing the client to download.
>-    """
>-    useragent = request.META.get('HTTP_USER_AGENT', '').upper()
>-    if 'MSIE' not in useragent and 'CHROMEFRAME' not in useragent:
>-        return response
>-
>-    offending_headers = ('no-cache', 'no-store')
>-    if response.has_header('Content-Disposition'):
>-        try:
>-            del response['Pragma']
>-        except KeyError:
>-            pass
>-        if response.has_header('Cache-Control'):
>-            cache_control_values = [value.strip() for value in
>-                    response['Cache-Control'].split(',')
>-                    if value.strip().lower() not in offending_headers]
>-
>-            if not len(cache_control_values):
>-                del response['Cache-Control']
>-            else:
>-                response['Cache-Control'] = ', '.join(cache_control_values)
>-
>-    return response
>-
>-def fix_IE_for_vary(request, response):
>-    """
>-    This function will fix the bug reported at
>-    http://support.microsoft.com/kb/824847/en-us?spid=8722&sid=global
>-    by clearing the Vary header whenever the mime-type is not safe
>-    enough for Internet Explorer to handle.  Poor thing.
>-    """
>-    useragent = request.META.get('HTTP_USER_AGENT', '').upper()
>-    if 'MSIE' not in useragent and 'CHROMEFRAME' not in useragent:
>-        return response
>-
>-    # These mime-types that are decreed "Vary-safe" for IE:
>-    safe_mime_types = ('text/html', 'text/plain', 'text/sgml')
>-
>-    # The first part of the Content-Type field will be the MIME type,
>-    # everything after ';', such as character-set, can be ignored.
>-    mime_type = response.get('Content-Type', '').partition(';')[0]
>-    if mime_type not in safe_mime_types:
>-        try:
>-            del response['Vary']
>-        except KeyError:
>-            pass
>-
>-    return response
>-
>diff --git a/tests/regressiontests/utils/http.py b/tests/regressiontests/utils/http.py
>index 16c7daa..9e05a94 100644
>--- a/tests/regressiontests/utils/http.py
>+++ b/tests/regressiontests/utils/http.py
>@@ -56,50 +56,6 @@ class TestUtilsHttp(unittest.TestCase):
>         ]
>         self.assertTrue(result in acceptable_results)
> 
>-    def test_fix_IE_for_vary(self):
>-        """
>-        Regression for #16632.
>-
>-        `fix_IE_for_vary` shouldn't crash when there's no Content-Type header.
>-        """
>-
>-        # functions to generate responses
>-        def response_with_unsafe_content_type():
>-            r = HttpResponse(content_type="text/unsafe")
>-            r['Vary'] = 'Cookie'
>-            return r
>-
>-        def no_content_response_with_unsafe_content_type():
>-            # 'Content-Type' always defaulted, so delete it
>-            r = response_with_unsafe_content_type()
>-            del r['Content-Type']
>-            return r
>-
>-        # request with & without IE user agent
>-        rf = RequestFactory()
>-        request = rf.get('/')
>-        ie_request = rf.get('/', HTTP_USER_AGENT='MSIE')
>-
>-        # not IE, unsafe_content_type
>-        response = response_with_unsafe_content_type()
>-        utils.fix_IE_for_vary(request, response)
>-        self.assertTrue('Vary' in response)
>-
>-        # IE, unsafe_content_type
>-        response = response_with_unsafe_content_type()
>-        utils.fix_IE_for_vary(ie_request, response)
>-        self.assertFalse('Vary' in response)
>-
>-        # not IE, no_content
>-        response = no_content_response_with_unsafe_content_type()
>-        utils.fix_IE_for_vary(request, response)
>-        self.assertTrue('Vary' in response)
>-
>-        # IE, no_content
>-        response = no_content_response_with_unsafe_content_type()
>-        utils.fix_IE_for_vary(ie_request, response)
>-        self.assertFalse('Vary' in response)
>-
>     def test_base36(self):
>         # reciprocity works
>         for n in [0, 1, 1000, 1000000, sys.maxint]:

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Attachments on bug 1097500: 895332 | 895333 | 895334 | 895335