From 2f81a0ca6543f4f7b59bf6cd9aeb8ae87f1e968e Mon Sep 17 00:00:00 2001
From: Julien Phalip <jphalip@gmail.com>
Date: Sun, 31 Mar 2013 00:54:52 -0700
Subject: [PATCH] Fixed #20169 -- Ensured that the WSGI request's path is
 correctly based on the `SCRIPT_NAME` environment parameter or the
 `FORCE_SCRIPT_NAME` setting, regardless of whether or not those have a
 trailing slash. Thanks to bmispelon for the review.

---
 django/core/handlers/wsgi.py |  2 +-
 tests/requests/tests.py      | 38 ++++++++++++++++++++++++++++++++++++
 2 files changed, 39 insertions(+), 1 deletion(-)

diff --git a/django/core/handlers/wsgi.py b/django/core/handlers/wsgi.py
index 78bf101e203..3c88aeac6d1 100644
--- a/django/core/handlers/wsgi.py
+++ b/django/core/handlers/wsgi.py
@@ -137,7 +137,7 @@ class WSGIRequest(http.HttpRequest):
             path_info = '/'
         self.environ = environ
         self.path_info = path_info
-        self.path = '%s%s' % (script_name, path_info)
+        self.path = '%s/%s' % (script_name.rstrip('/'), path_info.lstrip('/'))
         self.META = environ
         self.META['PATH_INFO'] = path_info
         self.META['SCRIPT_NAME'] = script_name
diff --git a/tests/requests/tests.py b/tests/requests/tests.py
index 2803d7995b6..e1767754494 100644
--- a/tests/requests/tests.py
+++ b/tests/requests/tests.py
@@ -50,6 +50,44 @@ class RequestsTests(unittest.TestCase):
         self.assertEqual(request.META['REQUEST_METHOD'], 'bogus')
         self.assertEqual(request.META['SCRIPT_NAME'], '')
 
+    def test_wsgirequest_with_script_name(self):
+        """
+        Ensure that the request's path is correctly assembled, regardless of
+        whether or not the SCRIPT_NAME has a trailing slash.
+        Refs #20169.
+        """
+        # With trailing slash
+        request = WSGIRequest({'PATH_INFO': '/somepath/', 'SCRIPT_NAME': '/PREFIX/', 'REQUEST_METHOD': 'get', 'wsgi.input': BytesIO(b'')})
+        self.assertEqual(request.path, '/PREFIX/somepath/')
+        # Without trailing slash
+        request = WSGIRequest({'PATH_INFO': '/somepath/', 'SCRIPT_NAME': '/PREFIX', 'REQUEST_METHOD': 'get', 'wsgi.input': BytesIO(b'')})
+        self.assertEqual(request.path, '/PREFIX/somepath/')
+
+    def test_wsgirequest_with_force_script_name(self):
+        """
+        Ensure that the FORCE_SCRIPT_NAME setting takes precedence over the
+        request's SCRIPT_NAME environment parameter.
+        Refs #20169.
+        """
+        with override_settings(FORCE_SCRIPT_NAME='/FORCED_PREFIX/'):
+            request = WSGIRequest({'PATH_INFO': '/somepath/', 'SCRIPT_NAME': '/PREFIX/', 'REQUEST_METHOD': 'get', 'wsgi.input': BytesIO(b'')})
+            self.assertEqual(request.path, '/FORCED_PREFIX/somepath/')
+
+    def test_wsgirequest_path_with_force_script_name_trailing_slash(self):
+        """
+        Ensure that the request's path is correctly assembled, regardless of
+        whether or not the FORCE_SCRIPT_NAME setting has a trailing slash.
+        Refs #20169.
+        """
+        # With trailing slash
+        with override_settings(FORCE_SCRIPT_NAME='/FORCED_PREFIX/'):
+            request = WSGIRequest({'PATH_INFO': '/somepath/', 'REQUEST_METHOD': 'get', 'wsgi.input': BytesIO(b'')})
+            self.assertEqual(request.path, '/FORCED_PREFIX/somepath/')
+        # Without trailing slash
+        with override_settings(FORCE_SCRIPT_NAME='/FORCED_PREFIX'):
+            request = WSGIRequest({'PATH_INFO': '/somepath/', 'REQUEST_METHOD': 'get', 'wsgi.input': BytesIO(b'')})
+            self.assertEqual(request.path, '/FORCED_PREFIX/somepath/')
+
     def test_wsgirequest_repr(self):
         request = WSGIRequest({'PATH_INFO': '/somepath/', 'REQUEST_METHOD': 'get', 'wsgi.input': BytesIO(b'')})
         request.GET = {'get-key': 'get-value'}