This Pluggable Authentication Service (PAS) plugin will lock a login after a predetermined number of incorrect attempts. Once locked, the user will be shown a page that tells them to contact their administrator to unlock.
Project description
LoginLockout
============
This Pluggable Authentication Service (PAS) plugin will lock a
login after a predetermined number of incorrect attempts. Once
locked, the user will be shown a page that tells them to contact
their administrator to unlock.
Requires:
---------
- PluggableAuthService and its dependencies
- (optional) PlonePAS and its dependencies
Details
-------
vLoginLockout can be used as a Plone plugin or with zope and PAS alone.
First we'll show you how it works with Plone.
To Install
----------
Install into Plone via Add/Remove Products
To Use
------
First login as manager::
>>> from Products.Five.testbrowser import Browser
Now we'll open up a new browser and attempt to login::
>>> browser = Browser()
>>> browser.open(self.portal.absolute_url()+'/login_form')
>>> browser.getControl('Login Name').value = 'user'
>>> browser.getControl('Password').value = 'user'
>>> browser.getControl('Log in').click()
>>> print browser.contents
<BLANKLINE>
...You are now logged in...
Let's try again with another password::
>>> browser = Browser()
>>> browser.open(self.portal.absolute_url()+'/login_form')
>>> browser.getControl('Login Name').value = 'user'
>>> browser.getControl('Password').value = 'notpassword'
>>> browser.getControl('Log in').click()
>>> print browser.contents
<BLANKLINE>
...Login failed...
this incorrect attemp will show up in the log::
>>> admin = Browser()
>>> admin.open(self.portal.absolute_url()+'/login_form')
>>> admin.getControl('Login Name').value = 'admin'
>>> admin.getControl('Password').value = 'admin'
>>> admin.getControl('Log in').click()
>>> admin.getLink('Site Setup').click()
We've installed a Control panel to monitor the login attempts
>>> admin.getLink('LoginLockout').click()
>>> print admin.contents
<html>
...
...<td>user</td><td>2</td>...
If we try twice more we will be locked out::
>>> browser.getControl('Login Name').value = 'user'
>>> browser.getControl('Password').value = 'notpassword2'
>>> browser.getControl('log in').click()
>>> browser.getControl('Password').value = 'notpassword3'
>>> browser.getControl('log in').click()
>>> print browser.contents
<html>
...
You have been locked out. Please contact the system administrator
Now even the correct password won't work::
>>> browser.open(self.portal.absolute_url()+'/login_form')
>>> browser.getControl('Login Name').value = 'user'
>>> browser.getControl('Password').value = 'user'
>>> browser.getControl('log in').click()
>>> print browser.contents
You have been locked out. Please contact the system administrator
The administrator can reset this persons account::
>>> admin.getLink('Site Setup').click()
>>> admin.getLink('LoginLockup').click()
>>> print admin.contents
user attemps 4
>>> admin.getControl('user').click()
>>> admin.getControl('reset accounts').click()
>>> print admin.contents
User accounts reset...
and now they can log in again::
>>> browser.open(self.portal.absolute_url()+'/login_form')
>>> browser.getControl('Login Name').value = 'user'
>>> browser.getControl('Password').value = 'user'
>>> browser.getControl('log in').click()
>>> print browser.contents
You have logged in
Manual Installation
-------------------
This plugin needs to be installed in two places, the instance PAS where logins
occur and the root acl_users.
1. Place the Product directory 'LoginLockout' in your 'Products/'
directory. Restart Zope.
2. In your instance PAS 'acl_users', select 'LoginLockout' from the add
list. Give it an id and title, and push the add button.
3. Enable the 'Authentication', 'Challenge' and the 'Update Credentials'
plugin interfaces in the after-add screen.
4. Rearrange the order of your 'Challenge plugins' so that the
'LoginLockout' plugin is at the top.
5. Repeat the above for your root PAS but as a plugin to
- Anonymoususerfactory
- Update Credentials
and ensure LoginLockout is the first Anonymoususerfactory
Steps 2 through 5 below will be done for you by the Plone installer.
That's it! Test it out.
Implementation
--------------
If the root anonymoususerfactory plugin is activated following an
authentication plugin activation then this is an unsuccesful login
attempt. If the password was different from the last unsuccessful
attempt then we incriment a counter in data stored persistently
in the root plugin.
If the instance plugin tries to authenticate a user that has been
marked has having too many attempts then Unauthorised will be raised.
This will activate the challenge plugin which will display a locked
out message instead of another login form.
updateCredentials is called when the login was successful and in this
case we reset the unsuccessful login count.
Copyright, License, Author
--------------------------
Copyright (c) 2007, PretaWeb, Australia,
and the respective authors. All rights reserved.
Author: Dylan Jay <software pretaweb com>
License BSD-ish, see LICENSE.txt
Credits
-------
Dylan Jay, original code.
Kees HinK for the Plone configlet and installer
Thanks to Daniel Nouri and BlueDynamics for their
NoDuplicateLogin which served as the base for this.
Changes
0.3 2011-03-04 (Andreas Jung)
- internal cleanup
- using GenericSetup where possible
- added support for logging successful login attempts
- added support logging password changes
0.2 2009-04-20 (Dylan Jay)
- Eggified merged configlet version
- Started doctest
2009-03-10 (Kees Hink):
- Added configlet for viewing failed attempts and resetting accounts from the
plone control panel.
- Quite probably, dropped support for pure Zope usage.
2008-12-18 (Kees HinK):
- Added installer, using Extensions/Install.py.
(Unfortunately, Generic Setup does not yet seem to support uninstalling, but
the methods in setuphandlers.py and the import profile (profiles/default) are
there for when you want to use them. Just uncomment the relevant zcml
directives.)
0.1 (Dylan Jay):
- Initial Version
============
This Pluggable Authentication Service (PAS) plugin will lock a
login after a predetermined number of incorrect attempts. Once
locked, the user will be shown a page that tells them to contact
their administrator to unlock.
Requires:
---------
- PluggableAuthService and its dependencies
- (optional) PlonePAS and its dependencies
Details
-------
vLoginLockout can be used as a Plone plugin or with zope and PAS alone.
First we'll show you how it works with Plone.
To Install
----------
Install into Plone via Add/Remove Products
To Use
------
First login as manager::
>>> from Products.Five.testbrowser import Browser
Now we'll open up a new browser and attempt to login::
>>> browser = Browser()
>>> browser.open(self.portal.absolute_url()+'/login_form')
>>> browser.getControl('Login Name').value = 'user'
>>> browser.getControl('Password').value = 'user'
>>> browser.getControl('Log in').click()
>>> print browser.contents
<BLANKLINE>
...You are now logged in...
Let's try again with another password::
>>> browser = Browser()
>>> browser.open(self.portal.absolute_url()+'/login_form')
>>> browser.getControl('Login Name').value = 'user'
>>> browser.getControl('Password').value = 'notpassword'
>>> browser.getControl('Log in').click()
>>> print browser.contents
<BLANKLINE>
...Login failed...
this incorrect attemp will show up in the log::
>>> admin = Browser()
>>> admin.open(self.portal.absolute_url()+'/login_form')
>>> admin.getControl('Login Name').value = 'admin'
>>> admin.getControl('Password').value = 'admin'
>>> admin.getControl('Log in').click()
>>> admin.getLink('Site Setup').click()
We've installed a Control panel to monitor the login attempts
>>> admin.getLink('LoginLockout').click()
>>> print admin.contents
<html>
...
...<td>user</td><td>2</td>...
If we try twice more we will be locked out::
>>> browser.getControl('Login Name').value = 'user'
>>> browser.getControl('Password').value = 'notpassword2'
>>> browser.getControl('log in').click()
>>> browser.getControl('Password').value = 'notpassword3'
>>> browser.getControl('log in').click()
>>> print browser.contents
<html>
...
You have been locked out. Please contact the system administrator
Now even the correct password won't work::
>>> browser.open(self.portal.absolute_url()+'/login_form')
>>> browser.getControl('Login Name').value = 'user'
>>> browser.getControl('Password').value = 'user'
>>> browser.getControl('log in').click()
>>> print browser.contents
You have been locked out. Please contact the system administrator
The administrator can reset this persons account::
>>> admin.getLink('Site Setup').click()
>>> admin.getLink('LoginLockup').click()
>>> print admin.contents
user attemps 4
>>> admin.getControl('user').click()
>>> admin.getControl('reset accounts').click()
>>> print admin.contents
User accounts reset...
and now they can log in again::
>>> browser.open(self.portal.absolute_url()+'/login_form')
>>> browser.getControl('Login Name').value = 'user'
>>> browser.getControl('Password').value = 'user'
>>> browser.getControl('log in').click()
>>> print browser.contents
You have logged in
Manual Installation
-------------------
This plugin needs to be installed in two places, the instance PAS where logins
occur and the root acl_users.
1. Place the Product directory 'LoginLockout' in your 'Products/'
directory. Restart Zope.
2. In your instance PAS 'acl_users', select 'LoginLockout' from the add
list. Give it an id and title, and push the add button.
3. Enable the 'Authentication', 'Challenge' and the 'Update Credentials'
plugin interfaces in the after-add screen.
4. Rearrange the order of your 'Challenge plugins' so that the
'LoginLockout' plugin is at the top.
5. Repeat the above for your root PAS but as a plugin to
- Anonymoususerfactory
- Update Credentials
and ensure LoginLockout is the first Anonymoususerfactory
Steps 2 through 5 below will be done for you by the Plone installer.
That's it! Test it out.
Implementation
--------------
If the root anonymoususerfactory plugin is activated following an
authentication plugin activation then this is an unsuccesful login
attempt. If the password was different from the last unsuccessful
attempt then we incriment a counter in data stored persistently
in the root plugin.
If the instance plugin tries to authenticate a user that has been
marked has having too many attempts then Unauthorised will be raised.
This will activate the challenge plugin which will display a locked
out message instead of another login form.
updateCredentials is called when the login was successful and in this
case we reset the unsuccessful login count.
Copyright, License, Author
--------------------------
Copyright (c) 2007, PretaWeb, Australia,
and the respective authors. All rights reserved.
Author: Dylan Jay <software pretaweb com>
License BSD-ish, see LICENSE.txt
Credits
-------
Dylan Jay, original code.
Kees HinK for the Plone configlet and installer
Thanks to Daniel Nouri and BlueDynamics for their
NoDuplicateLogin which served as the base for this.
Changes
0.3 2011-03-04 (Andreas Jung)
- internal cleanup
- using GenericSetup where possible
- added support for logging successful login attempts
- added support logging password changes
0.2 2009-04-20 (Dylan Jay)
- Eggified merged configlet version
- Started doctest
2009-03-10 (Kees Hink):
- Added configlet for viewing failed attempts and resetting accounts from the
plone control panel.
- Quite probably, dropped support for pure Zope usage.
2008-12-18 (Kees HinK):
- Added installer, using Extensions/Install.py.
(Unfortunately, Generic Setup does not yet seem to support uninstalling, but
the methods in setuphandlers.py and the import profile (profiles/default) are
there for when you want to use them. Just uncomment the relevant zcml
directives.)
0.1 (Dylan Jay):
- Initial Version
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