Web   ·   Wiki   ·   Activities   ·   Blog   ·   Lists   ·   Chat   ·   Meeting   ·   Bugs   ·   Git   ·   Translate   ·   Archive   ·   People   ·   Donate
summaryrefslogtreecommitdiffstats
path: root/websdk/werkzeug/contrib/limiter.py
diff options
context:
space:
mode:
Diffstat (limited to 'websdk/werkzeug/contrib/limiter.py')
-rw-r--r--websdk/werkzeug/contrib/limiter.py36
1 files changed, 36 insertions, 0 deletions
diff --git a/websdk/werkzeug/contrib/limiter.py b/websdk/werkzeug/contrib/limiter.py
new file mode 100644
index 0000000..d0dbcc5
--- /dev/null
+++ b/websdk/werkzeug/contrib/limiter.py
@@ -0,0 +1,36 @@
+# -*- 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) 2011 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
+ """
+
+ def __init__(self, app, maximum_size=1024 * 1024 * 10):
+ 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)