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Example code of silecs/yii2-auth-cas

Informations about the package yii2-auth-cas

yii2-auth-cas

Yii2 library for authentication by CAS, using the library phpCAS.

Usage

  1. Add this to the project with composer require silecs/yii2-auth-cas

  2. Configure the Yii2 application, e.g. in backend/config/main.php :

  3. Add actions that use this CAS module, e.g. in SiteController :

Notes

The user component that implements yii\web\IdentityInterface will be used to fetch the local profile after querying the CAS server. It means that if User is the App component and CAS returns a username of "bibendum", the authentication will be successful if and only if the result of User::findIdentity("bibendum") is not null.

The action path '/cas/auth/login' starts with the alias of the module, as defined in the application configuration, e.g. 'cas' in 'modules' => [ 'cas' => [ ... ] ].

Testing with a CAS container

Here are some instructions on deploying a Docker CAS server to test this library. This procedure will use the CAS interface of a Shibboleth instance. This was tested on Debian Stretch and Buster (testing).

  1. Install docker from the extra repository at docker.io (I had errors with the older docker from the official Debian repository).

  2. Install docker-compose either from Debian or docker.io.

  3. Git clone https://hub.docker.com/r/unicon/shibboleth-idp/ If using an old docker-compose, then chekout 3c29f10 because later commits require a too recent feature.

  4. Modify docker-compose.yml so that the container won't try to use the port 80, so replace "80:80" with "8080:80".

  5. If your local Yii2 application is not using HTTPS, modify idp/shibboleth-idp/conf/cas-protocol.xml to replace c:regex="https://idptestbed/.*" by c:regex="https?://idptestbed/.*".

  6. Add 127.0.0.1 idptestbed to /etc/hosts, as root.

  7. Configure your Yii2 application to use:

    'host' => 'idptestbed',
'port' => '443',
'path' => '/idp/profile/cas',
'certfile' => false,
'debug' => true,

  8. Start the containers:

    docker-compose build
docker-compose run

  9. Go to the login page of your Yii2 app.

  10. Ctrl-C in the containers termainal to end them.

You can modify ldap/users.ldif if you want to add users to the CAS. Don't forget to rebuild the Docker images after this.

All versions of yii2-auth-cas with dependencies

PHP Build Version
Package Version
Requires php Version >=7.4.0
apereo/phpcas Version ^1.6
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