changeset bdea3f9af35f in trytond:default
details: https://hg.tryton.org/trytond?cmd=changeset;node=bdea3f9af35f
description:
        Use safe_join in SharedDataMiddlewareIndex

        issue10068
        review333851027
diffstat:

 CHANGELOG       |   1 +
 trytond/wsgi.py |  16 +++++++++++-----
 2 files changed, 12 insertions(+), 5 deletions(-)

diffs (50 lines):

diff -r b4145920e57e -r bdea3f9af35f CHANGELOG
--- a/CHANGELOG Wed Feb 10 23:52:22 2021 +0100
+++ b/CHANGELOG Fri Feb 12 10:01:22 2021 +0100
@@ -1,3 +1,4 @@
+* Use safe_join in SharedDataMiddlewareIndex (issue10068)
 * Use menu name for window opened from menu
 * Add trigonometric functions to sqlite backend
 * Allow skipping user warnings globally
diff -r b4145920e57e -r bdea3f9af35f trytond/wsgi.py
--- a/trytond/wsgi.py   Wed Feb 10 23:52:22 2021 +0100
+++ b/trytond/wsgi.py   Fri Feb 12 10:01:22 2021 +0100
@@ -4,6 +4,7 @@
 import http.client
 import logging
 import os
+import posixpath
 import sys
 import traceback
 import urllib.parse
@@ -25,6 +26,10 @@
 except ImportError:
     from werkzeug.contrib.fixers import ProxyFix as NumProxyFix
 try:
+    from werkzeug.security import safe_join
+except ImportError:
+    safe_join = posixpath.join
+try:
     from werkzeug.middleware.shared_data import SharedDataMiddleware
 except ImportError:
     from werkzeug.wsgi import SharedDataMiddleware
@@ -201,13 +206,14 @@
     def get_directory_loader(self, directory):
         def loader(path):
             if path is not None:
-                path = os.path.join(directory, path)
+                path = safe_join(directory, path)
             else:
                 path = directory
-            if os.path.isdir(path):
-                path = os.path.join(path, 'index.html')
-            if os.path.isfile(path):
-                return os.path.basename(path), self._opener(path)
+            if path is not None:
+                if os.path.isdir(path):
+                    path = posixpath.join(path, 'index.html')
+                if os.path.isfile(path):
+                    return os.path.basename(path), self._opener(path)
             return None, None
         return loader
 

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