OpenID provider support
=======================
simpleSAMLphp can act as an OpenID provider.
This allows you to integrate OpenID into an existing IdP, or to add a bridge between OpenID and SAML 2.0.
To use it, you need to enable the OpenID provider module:
touch modules/openidProvider/enable
You must also edit the configuration file:
cp modules/openidProvider/config-template/module_openidProvider.php config/
"$EDITOR" config/module_openidProvider.php
Options
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The following options must be set in the configuration file:
`auth`
: The authentication source that should be used to authenticate users who access the OpenID endpoint.
This can be any authentication source configured in `config/authsources.php`.
: To configure this as a bridge, set up a `saml` authentication source, and use that one.
`username_attribute`
: The name of the attribute that contains the username of the user.
`filestore`
: A path to a directory where the OpenID provider can save data.
This directory must be writeable by the web server.
Testing
-------
To test your provider, go to the authentication tab on the frontpage.
There you will find a link to the OpenID provider.
Click that link and log in.
Once you are logged in, the OpenID identifier for your user will be displayed.
Use that identifier with an OpenID consumer to test authentication.
Delegation
----------
The OpenID identifier created by the simpleSAMLphp OpenID provider is quite long and hard to type.
To use a simpler identifier, you can delegate accesses from the simple identifier to the OpenID provider.
Your OpenID page will list two `<link>`-elements that you can add to any web page in order to turn it into your OpenID identifier.
For example, to use `myid.example.org` as your OpeNID identifier, add the `<link>`-elements to the web page which handles `http://myid.example.org/`.
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