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issue2550949: Rate limit password guesses/login attempts.
Generic rate limit mechanism added. Deployed for web page
logins. Default is 3 login attempts/minute for a user. After which one
login attempt every 20 seconds can be done.
Uses gcra algorithm so all I need to store is a username and timestamp
in the one time key database. This does mean I don't have a list of
all failed login attempts as part of the rate limiter.
Set up config setting as well so admin can tune the rate. Maybe 1
every 10 seconds is ok at a site with poor typists who need 6 attempts
to get the password right 8-).
The gcra method can also be used to limit the rest and xmlrpc
interfaces if needed. The mechanism I added also supplies a status
method that calculates the expected values for http headers returned
as part of rate limiting.
Also tests added to test all code paths I hope.
| author | John Rouillard <rouilj@ieee.org> |
|---|---|
| date | Sat, 11 May 2019 17:24:58 -0400 |
| parents | a099ff2ceff3 |
| children | 7146b68ac263 |
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html> <head> <link rel="stylesheet" type="text/css" href="@@file/style.css" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8;" /> <meta name="robots" content="noindex, nofollow" /> <title tal:content="string:Roundup Calendar"></title> <script language="Javascript" type="text/javascript" tal:content="structure string: // this is the name of the field in the original form that we're working on form = window.opener.document.${request/form/form/value}; field = '${request/form/property/value}';" > </script> </head> <body class="body" tal:content="structure python:utils.html_calendar(request)"> </body> </html>