Reverted "Refs #31949 -- Enabled @sensitive_variables to work with async functions."

This reverts commits 23cbed21876bf02f4600c0dac3a5277db5b2afbb and
203a15cadbf8d03b51df1b28d89b2e7ab4264973.

5 files changed, 25 insertions, 120 deletions

diff --git a/django/views/decorators/debug.py b/django/views/decorators/debug.py
index 3f68d4a7e5..5578a4995f 100644
--- a/django/views/decorators/debug.py
+++ b/django/views/decorators/debug.py
@@ -1,7 +1,5 @@
 from functools import wraps
 
-from asgiref.sync import iscoroutinefunction
-
 from django.http import HttpRequest
 
 
@@ -35,25 +33,13 @@ def sensitive_variables(*variables):
         )
 
     def decorator(func):
-        if iscoroutinefunction(func):
-
-            @wraps(func)
-            async def sensitive_variables_wrapper(*func_args, **func_kwargs):
-                if variables:
-                    sensitive_variables_wrapper.sensitive_variables = variables
-                else:
-                    sensitive_variables_wrapper.sensitive_variables = "__ALL__"
-                return await func(*func_args, **func_kwargs)
-
-        else:
-
-            @wraps(func)
-            def sensitive_variables_wrapper(*func_args, **func_kwargs):
-                if variables:
-                    sensitive_variables_wrapper.sensitive_variables = variables
-                else:
-                    sensitive_variables_wrapper.sensitive_variables = "__ALL__"
-                return func(*func_args, **func_kwargs)
+        @wraps(func)
+        def sensitive_variables_wrapper(*func_args, **func_kwargs):
+            if variables:
+                sensitive_variables_wrapper.sensitive_variables = variables
+            else:
+                sensitive_variables_wrapper.sensitive_variables = "__ALL__"
+            return func(*func_args, **func_kwargs)
 
         return sensitive_variables_wrapper
 
@@ -91,37 +77,19 @@ def sensitive_post_parameters(*parameters):
         )
 
     def decorator(view):
-        if iscoroutinefunction(view):
-
-            @wraps(view)
-            async def sensitive_post_parameters_wrapper(request, *args, **kwargs):
-                if not isinstance(request, HttpRequest):
-                    raise TypeError(
-                        "sensitive_post_parameters didn't receive an HttpRequest "
-                        "object. If you are decorating a classmethod, make sure "
-                        "to use @method_decorator."
-                    )
-                if parameters:
-                    request.sensitive_post_parameters = parameters
-                else:
-                    request.sensitive_post_parameters = "__ALL__"
-                return await view(request, *args, **kwargs)
-
-        else:
-
-            @wraps(view)
-            def sensitive_post_parameters_wrapper(request, *args, **kwargs):
-                if not isinstance(request, HttpRequest):
-                    raise TypeError(
-                        "sensitive_post_parameters didn't receive an HttpRequest "
-                        "object. If you are decorating a classmethod, make sure "
-                        "to use @method_decorator."
-                    )
-                if parameters:
-                    request.sensitive_post_parameters = parameters
-                else:
-                    request.sensitive_post_parameters = "__ALL__"
-                return view(request, *args, **kwargs)
+        @wraps(view)
+        def sensitive_post_parameters_wrapper(request, *args, **kwargs):
+            if not isinstance(request, HttpRequest):
+                raise TypeError(
+                    "sensitive_post_parameters didn't receive an HttpRequest "
+                    "object. If you are decorating a classmethod, make sure "
+                    "to use @method_decorator."
+                )
+            if parameters:
+                request.sensitive_post_parameters = parameters
+            else:
+                request.sensitive_post_parameters = "__ALL__"
+            return view(request, *args, **kwargs)
 
         return sensitive_post_parameters_wrapper
 
diff --git a/docs/howto/error-reporting.txt b/docs/howto/error-reporting.txt
index 875e56a51d..fd465ecf6b 100644
--- a/docs/howto/error-reporting.txt
+++ b/docs/howto/error-reporting.txt
@@ -205,10 +205,6 @@ filtered out of error reports in a production environment (that is, where
         exception reporting, and consider implementing a :ref:`custom filter
         <custom-error-reports>` if necessary.
 
-    .. versionchanged:: 5.0
-
-        Support for wrapping ``async`` functions was added.
-
 .. function:: sensitive_post_parameters(*parameters)
 
     If one of your views receives an :class:`~django.http.HttpRequest` object
@@ -249,10 +245,6 @@ filtered out of error reports in a production environment (that is, where
     ``user_change_password`` in the ``auth`` admin) to prevent the leaking of
     sensitive information such as user passwords.
 
-    .. versionchanged:: 5.0
-
-        Support for wrapping ``async`` functions was added.
-
 .. _custom-error-reports:
 
 Custom error reports
diff --git a/docs/releases/5.0.txt b/docs/releases/5.0.txt
index 08de2a3740..6e911f471e 100644
--- a/docs/releases/5.0.txt
+++ b/docs/releases/5.0.txt
@@ -215,9 +215,7 @@ Email
 Error Reporting
 ~~~~~~~~~~~~~~~
 
-* :func:`~django.views.decorators.debug.sensitive_variables` and
-  :func:`~django.views.decorators.debug.sensitive_post_parameters` can now be
-  used with asynchronous functions.
+* ...
 
 File Storage
 ~~~~~~~~~~~~
diff --git a/tests/view_tests/tests/test_debug.py b/tests/view_tests/tests/test_debug.py
index d0bcc68032..15e69f6811 100644
--- a/tests/view_tests/tests/test_debug.py
+++ b/tests/view_tests/tests/test_debug.py
@@ -9,8 +9,6 @@ from io import StringIO
 from pathlib import Path
 from unittest import mock, skipIf, skipUnless
 
-from asgiref.sync import async_to_sync, iscoroutinefunction
-
 from django.core import mail
 from django.core.files.uploadedfile import SimpleUploadedFile
 from django.db import DatabaseError, connection
@@ -41,7 +39,6 @@ from django.views.debug import (
 from django.views.decorators.debug import sensitive_post_parameters, sensitive_variables
 
 from ..views import (
-    async_sensitive_view,
     custom_exception_reporter_filter_view,
     index_page,
     multivalue_dict_key_error,
@@ -1354,10 +1351,7 @@ class ExceptionReportTestMixin:
         Asserts that potentially sensitive info are displayed in the response.
         """
         request = self.rf.post("/some_url/", self.breakfast_data)
-        if iscoroutinefunction(view):
-            response = async_to_sync(view)(request)
-        else:
-            response = view(request)
+        response = view(request)
         if check_for_vars:
             # All variables are shown.
             self.assertContains(response, "cooked_eggs", status_code=500)
@@ -1377,10 +1371,7 @@ class ExceptionReportTestMixin:
         Asserts that certain sensitive info are not displayed in the response.
         """
         request = self.rf.post("/some_url/", self.breakfast_data)
-        if iscoroutinefunction(view):
-            response = async_to_sync(view)(request)
-        else:
-            response = view(request)
+        response = view(request)
         if check_for_vars:
             # Non-sensitive variable's name and value are shown.
             self.assertContains(response, "cooked_eggs", status_code=500)
@@ -1427,10 +1418,7 @@ class ExceptionReportTestMixin:
         with self.settings(ADMINS=[("Admin", "admin@fattie-breakie.com")]):
             mail.outbox = []  # Empty outbox
             request = self.rf.post("/some_url/", self.breakfast_data)
-            if iscoroutinefunction(view):
-                async_to_sync(view)(request)
-            else:
-                view(request)
+            view(request)
             self.assertEqual(len(mail.outbox), 1)
             email = mail.outbox[0]
 
@@ -1463,10 +1451,7 @@ class ExceptionReportTestMixin:
         with self.settings(ADMINS=[("Admin", "admin@fattie-breakie.com")]):
             mail.outbox = []  # Empty outbox
             request = self.rf.post("/some_url/", self.breakfast_data)
-            if iscoroutinefunction(view):
-                async_to_sync(view)(request)
-            else:
-                view(request)
+            view(request)
             self.assertEqual(len(mail.outbox), 1)
             email = mail.outbox[0]
 
@@ -1558,15 +1543,6 @@ class ExceptionReporterFilterTests(
             self.verify_safe_response(sensitive_view)
             self.verify_safe_email(sensitive_view)
 
-    def test_async_sensitive_request(self):
-        with self.settings(DEBUG=True):
-            self.verify_unsafe_response(async_sensitive_view)
-            self.verify_unsafe_email(async_sensitive_view)
-
-        with self.settings(DEBUG=False):
-            self.verify_safe_response(async_sensitive_view)
-            self.verify_safe_email(async_sensitive_view)
-
     def test_paranoid_request(self):
         """
         No POST parameters and frame variables can be seen in the
@@ -1914,17 +1890,6 @@ class NonHTMLResponseExceptionReporterFilter(
         with self.settings(DEBUG=False):
             self.verify_safe_response(sensitive_view, check_for_vars=False)
 
-    def test_async_sensitive_request(self):
-        """
-        Sensitive POST parameters cannot be seen in the default
-        error reports for sensitive requests.
-        """
-        with self.settings(DEBUG=True):
-            self.verify_unsafe_response(async_sensitive_view, check_for_vars=False)
-
-        with self.settings(DEBUG=False):
-            self.verify_safe_response(async_sensitive_view, check_for_vars=False)
-
     def test_paranoid_request(self):
         """
         No POST parameters can be seen in the default error reports
diff --git a/tests/view_tests/views.py b/tests/view_tests/views.py
index 97febdaf83..a9eeee3cd2 100644
--- a/tests/view_tests/views.py
+++ b/tests/view_tests/views.py
@@ -178,24 +178,6 @@ def sensitive_view(request):
         return technical_500_response(request, *exc_info)
 
 
-@sensitive_variables("sauce")
-@sensitive_post_parameters("bacon-key", "sausage-key")
-async def async_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"])  # NOQA
-    sauce = "".join(  # NOQA
-        ["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):