pyramid_persona
Project description
pyramid_persona let you quickly set up authentication using persona on your pyramid project. It provides a way to conveniently replace the login form and all the processing and security concerns that comes with it. It aims at giving as much as possible with as little configuration as possible, while still letting you customize if you want. If you want to see some screenshots of the demo app, take a look at this blog post.
You can find it on pypi as pyramid_persona. Also don’t forget to check the documentation.
Very basic usage
First of all, include pyramid_persona. Add this in your project configuration
config.include("pyramid_persona")
Then, we need two little lines in your config files : a secret used to sign cookies, and the audience, the hostname and port of your website (this is needed for security reasons):
persona.secret = This is some secret string persona.audiences = http://localhost:6543
There, we’re done. We now have a nice forbidden view with a persona login button.
Less basic usage
pyramid_persona also provides you a way to easily put a login or logout button on your pages. To do so, you need to include jquery, the persona library, and some application-specific in your heads. The application specific javascript can be accessed as request.persona_js.
Then, you can add the button in your page. request.persona_button provides a login if the user is not logged in, and a logout button if they are.
A basic page might be (using mako)
<html>
<head>
<script type="text/javascript" src="//ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js"></script>
<script src="https://login.persona.org/include.js" type="text/javascript"></script>
<script type="text/javascript">${request.persona_js}</script>
</head>
<body>
Hello ${user}
${request.persona_button}
</body>
</html>
What it does
pyramid_persona is a login system. It replaces login forms and views, and the need to handle passwords.
pyramid_persona is not an authentication policy. It only handles the login process and requires an authentication policy to remember the user between requests (SessionAuthenticationPolicy is used by default).
Here is, in details, what including pyramid_persona does :
it defines an authentication policy, an authorization policy, and a session factory (this is needed for csrf protection, and is why we need a secret). Defaults are SessionAuthenticationPolicy, ACLAuthorizationPolicy and UnencryptedCookieSessionFactoryConfig. You can override it if you prefer.
it adds a persona_js request attribute containing the javascript code needed to make persona work.
it adds a persona_button request attribute containing html code for quickly putting a login button.
it defines the /login and /logout views to handle the persona workflow.
it defines a basic forbidden view with a login button.
You can replace any part you like if the default behaviour doesn’t work for you and the configuration isn’t enough.
Contact
This project is made by Georges Dubus (@georgesdubus). Bug reports and pull requests are welcome.
1.6.1
Forgot to add a changelog to the previous release
1.6
Allow setting (optional) came_from value with url parameter
Switch to SignedCookieSessionFactory
1.5
Added success to the login view response, to state whether the login attempt was successful, and whether the user should be considered as logged-in.
Added support for the new backgroundColor option, to change the color of the login dialog.
1.4
Changed the login views and the javascript code to implemente mozilla recommended practices. logout is now called after an error in the login view, and the format of the login view has changed.
1.3.1
Made all views not required any permission even if a default permission is set.
1.3
Depends on pyramid 1.4
Added some real docs
Added documentation on how to do extra work at login, and made the internal changes for it to work.
Added logging in case of failed login.
Switched to a AuthTktAuthenticationPolicy so that the login doesn’t expire with the session.
1.2
Fixed a bug that would cause the login to fail when the login route was not at ‘/login’.
1.1
Added an example app in demo/.
Fixed compatibility with pyramid 1.3.
Renamed the setting persona.audience to persona.audiences to match the PyBrowserID API.
Added the “persona.verifier” setting to change the verifier.
Added various settings to customize the login dialog.
Compatibility with python 3.
1.0
Initial version
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