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factored 2.1

A WSGI app that allows you to add another factor of authentication to any application server.

Latest Version: 3.0.3

Introduction

factored is a wsgi application that forces authentication before is passed to the wsgi application.

This can also be used as a proxy for non-wsgi apps.

Install

using virtualenv:

virtualenv factored
cd factored
git clone git://github.com/vangheem/factored.git
cd factored
../bin/python setup.py develop
../bin/initializedb develop.ini
../bin/adduser develop.ini --username=john@foo.bar
../bin/paster serve develop.ini
../bin/removeuser develop.ini --username=john@foo.bar

Configuration

Must follow the example develop.ini provided. You'll probably want to copy that file into your own and change the settings.

Edit server and port settings for application server if not using with another wsgi application.

Paste configuration options

appname
Appened to google auth keys so it doesn't overwrite others.
auth_tkt.secret
The secret (a string) used for auth_tkt cookie signing.
auth_tkt.cookie_name
The cookie name used
auth_tkt.secure
Only send the cookie back over a secure conn.
auth_tkt.include_ip
Make the requesting IP address part of the authentication data in the cookie.
auth_tkt.path
The path for which the auth_tkt cookie is valid. May be desirable if the application only serves part of a domain.
auth_tkt.http_only
Hide cookie from JavaScript by setting the HttpOnly flag. Not honored by all browsers.
auth_tkt.wild_domain
An auth_tkt cookie will be generated for the wildcard domain.
auth_tkt.cookie_domain
To set the cookie on an additional different domain.
auth_tkt.hashalg
Set to use a different hashing algorithm. Defaults to sha512
auth_timeout
The amount of time in seconds a normal authentication session is valid for.
auth_remember_timeout
The amount of time in seconds the authentication seesion is valid for when the user clicks "remember me."
base_auth_url
Base url all authentication urls and resources are based off of. Useful if you're only looking to authenticate a portion of a site.
supported_auth_schemes
Supported authentication schemes.
email_auth_window
If using email authentication, the window of time the user has to enter correct code in.
em.subject
Email authencation subject used.
em.sender
Email authentication from address.
em.body
Email Authentication text body. {code} will be replaced with the code.
pyramid. prefixed options
Configuration passed directly into pyramid configuration.
sqlalchemy.url
Connection string for sql backend. Most configurations will work fine with normal sqlite.
mail. prefixed options
Configuration passed directly to the mailer plugin. Options can be found at http://packages.python.org/pyramid_mailer/#configuration
autouserfinder
Specify a plugin that will automatically find users for the system to allow authentication for. Pre-packaged plugins include SQL and Email Domain.
allowcodereminder
(true|false) value defaulting to false that allows the user, if the username is an email, to get a reminder of their code sent to them.
allowcodereminder.subject
If using allowing code reminders, the email subject of reminder
allowcodereminder.sender
If using allowing code reminders, the email from address of reminder
allowcodereminder.body
If using allowing code reminders, the email body of reminder
formtext.title
customize title of form
formtext.legend
customize legend of form
formtext.username.label
customize username label
formtext.username.desc
customize username description
formtext.code.label
customize code label
formtext.code.desc
customize code description
formtext.button.username
customize username buttion text
formtext.button.authenticate
customize athenticate buttion text
formtext.button.codereminder
customize code reminder buttion text
formtext.error.invalid_username_code
customize invalid username code text
formtext.error.invalid_code
customize invalid code text
formtext.error.invalid_username
customize invalid username text
formtext.error.code_reminder
customize invalid code reminder text

autouserfinder SQL configuration options

autouserfinder.connection_string
sqlalchemy connection string to connection to the database.
autouserfinder.table_name
Name of the table to lookup users in.
autouserfinder.email_field
Name of the field to find the usernames(could be username or email field).

autouserfinder Email Domain configuration options

autouserfinder.valid_domains
List of valid domains to automatically create users for.

Nginx Example Configuration

An example setup with nginx and load balancing:

server {
    listen  80;
    server_name www.test.com;
    include proxy.conf;

    # paths to protect
    location ~ ^/admin.* {
        proxy_pass http://127.0.0.1:8000;
    }

    location / {
        proxy_pass http://app;
    }
}

server {
    listen 8090;
    include proxy.conf;
    location / {
        proxy_pass http://app;
    }
}

Then factored would be configured to run on port 8000 and proxy to 8090 and have base_auth_url url set to /admin/auth.

Sample Paste Configuration

An example to follow if you're not using a git checkout:

[app:proxy]
use = egg:factored#simpleproxy
server = 127.0.0.1
port = 8090

[filter-app:main]
use = egg:factored#main
next = proxy
appname = REPLACEME

auth_tkt.secret = REPLACEME
auth_tkt.cookie_name = factored
auth_tkt.secure = false
auth_tkt.include_ip = true

auth_timeout = 7200
auth_remember_timeout = 604800
base_auth_url = /auth
supported_auth_schemes =
    Google Auth
    Email

email_auth_window = 120
# in seconds
em.subject = Authentication Request
em.sender = foo@bar.com
em.body =
    You have requested authentication.
    Your temporary access code is: {code}

autouserfinder = SQL
autouserfinder.table_name = users
autouserfinder.email_field = email
autouserfinder.connection_string = sqlite:///%(here)s/users.db

allowcodereminder = true
allowcodereminder.subject = Authentication code reminder
allowcodereminder.sender = foo@bar.com
allowcodereminder.body =
    You have requested code reminder.
    Your google auth code url is: {code}

pyramid.reload_templates = true
pyramid.debug_authorization = true
pyramid.debug_notfound = true
pyramid.debug_routematch = true
pyramid.default_locale_name = en
pyramid.includes =
    pyramid_tm
    pyramid_mailer

sqlalchemy.url = sqlite:///%(here)s/test.db

# all mail settings can be found at http://packages.python.org/pyramid_mailer/#configuration
mail.host = localhost
mail.port = 25

[server:main]
use = egg:Paste#http
# Change to 0.0.0.0 to make public:
host = 127.0.0.1
port = 8000

With Gunicorn

Install:

../bin/easy_install gunicorn

to run:

../bin/gunicorn_paste --workers=2 develop.ini

Customizing Templates

Use pcreate to generate package skeleton:

./bin/pcreate --template=starter factored_customize cd factored_customize

To register template overrides customize __init__.py:

from factored.templates import registerTemplateCustomizations

def includeme(config):
import factored_customize as pkg registerTemplateCustomizations(config, 'templates', pkg)

Modify paster ini file to include pyramid addon:

pyramid.includes =
... factored_customize

Available Customizable Templates

meta.pt
Override metadata in the head tag.
includes.pt
Override includes in the head tag.
headbottom.pt
Add additional html to the bottom of the head tag. Empty by default.
top.pt
Renders at top of container. Empty by default.
title.pt
Renders title of application.
abovecontent.pt
Renders above content. Empty by default.
auth.pt
Authentication layout template.
auth-code.pt
Code input.
auth-email.pt
Email input.
auth-controls.pt
Form controls.
auth-chooser.pt
Authentication system chooser.
belowcontent.pt
Below the content. Empty by default.
footer.pt
Application footer.
bottom.pt
Very bottom of layout. Empty by default.

Credit

Work was sponsored by wildcardcorp.com

Changelog

2.1 (2013-06-04)

  • script and template fixes

2.0rc1 (2013-01-31)

  • more robust multi-use environment with database connections
  • support more algorythms for auth ticket
  • refactor so it's more modular
  • be able to easily customize all templates
  • be able to customize text
  • pull out auth_tkt module of paste so we can customize a bit

1.1a2 (2012-03-26)

  • specify appname to customize google auth code entry.
  • redirect to original url if possible
  • be able to provide "remember me" functionality

1.1a1 (2012-03-26)

  • add auto user finder support
  • add ability to send google code reminders. This can work well with the autouserfinder

1.0a1 (2012-03-23)

  • Initial release
 
File Type Py Version Uploaded on Size
factored-2.1.zip (md5) Source 2013-06-04 134KB
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