Open Media Library Platform

Darwin/lib/python2.7/site-packages/werkzeug/contrib/limiter.py

@@ -0,0 +1,40 @@
+# -*- coding: utf-8 -*-
+"""
+    werkzeug.contrib.limiter
+    ~~~~~~~~~~~~~~~~~~~~~~~~
+
+    A middleware that limits incoming data.  This works around problems with
+    Trac_ or Django_ because those directly stream into the memory.
+
+    .. _Trac: http://trac.edgewall.org/
+    .. _Django: http://www.djangoproject.com/
+
+    :copyright: (c) 2013 by the Werkzeug Team, see AUTHORS for more details.
+    :license: BSD, see LICENSE for more details.
+"""
+from warnings import warn
+
+from werkzeug.wsgi import LimitedStream
+
+
+class StreamLimitMiddleware(object):
+    """Limits the input stream to a given number of bytes.  This is useful if
+    you have a WSGI application that reads form data into memory (django for
+    example) and you don't want users to harm the server by uploading tons of
+    data.
+
+    Default is 10MB
+
+    .. versionchanged:: 0.9
+       Deprecated middleware.
+    """
+
+    def __init__(self, app, maximum_size=1024 * 1024 * 10):
+        warn(DeprecationWarning('This middleware is deprecated'))
+        self.app = app
+        self.maximum_size = maximum_size
+
+    def __call__(self, environ, start_response):
+        limit = min(self.maximum_size, int(environ.get('CONTENT_LENGTH') or 0))
+        environ['wsgi.input'] = LimitedStream(environ['wsgi.input'], limit)
+        return self.app(environ, start_response)