WordpressAuth

SimpleSAMLphp module to use Wordpress as a SAML 2.0 Identity Provider. (requires PHP 5 >= 5.3 or PHP 7)

WordpressAuth is a SimpleSAMLphp authentication module, that allows to use the Wordpress user database as the authentication source. The code was written for MySQL/MariaDB.

Setup

1 Setup Wordpress on Your Webserver

2 Install SimpleSAMLphp on Your Webserver

Install SimpleSAMLphp and follow the SimpleSAMLphp instructions to set it up as an identity provider (SimpleSAMLphp Identity Provider QuickStart)

3 Add WordpressAuth Module

Create new directory wordpressauth under the modules directory (simplesaml/modules/wordpressauth) and copy the files from this repository to it.

4 Configure Authentication Source

Edit the configuration file for authentication sources simplesaml/config/authsources.php and add:

'wpauthinstance' => array(
    'dsn' => 'mysql:host=localhost;port=3306;dbname=<mysql database name>',
    'username' => '<mysql username>',
    'password' => '<mysql password>',
    'userstable' => 'wp_users',
    'wordpressauth:WordpressAuth'
 ),
 

Replace the placeholders with your MySQL host, username, password and database name.

5 Set Authentication Source in Metadata File

Edit the metadata file for the hosted SAML 2.0 IdP simplesaml/metadata/saml20-idp-hosted.php and set wpauthinstance as your authentication source:

/*
 * Authentication source to use. Must be one that is configured in
 * 'config/authsources.php'.
 */
'auth' => 'wpauthinstance',