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Informations about the package laravel-saml2
Laravel 5 - Saml2
A Laravel package for Saml2 integration as a SP (service provider) based on OneLogin toolkit, which is much lighter and easier to install than simplesamlphp SP. It doesn't need separate routes or session storage to work!
The aim of this library is to be as simple as possible. We won't mess with Laravel users, auth, session... We prefer to limit ourselves to a concrete task. Ask the user to authenticate at the IDP and process the response. Same case for SLO requests.
Installation - Composer
You can install the package via composer:
If you are using Laravel 5.5 and up, the service provider will automatically get registered.
For older versions of Laravel (<5.5), you have to add the service provider and alias to config/app.php:
Then publish the config file with php artisan vendor:publish --provider="Clevyr\Saml2\Saml2ServiceProvider"
. This will add the file app/config/saml2_settings.php
. This config is handled almost directly by OneLogin so you may get further references there, but will cover here what's really necessary. There are some other config about routes you may want to check, they are pretty straightforward.
Configuration
Once you publish your saml2_settings.php to your own files, you need to configure your sp and IDP (remote server). The only real difference between this config and the one that OneLogin uses, is that the SP entityId, assertionConsumerService url and singleLogoutService URL are injected by the library. They are taken from routes 'saml_metadata', 'saml_consume' and 'saml_sls' respectively.
Remember that you don't need to implement those routes, but you'll need to add them to your IDP configuration. For example, if you use simplesamlphp, add the following to /metadata/sp-remote.php
You can check that metadata if you actually navigate to 'http://laravel_url/saml2/metadata'
Usage
When you want your user to login, just call Saml2Auth::login()
or redirect to route 'saml2_login'. Just remember that it does not use any session storage, so if you ask it to login it will redirect to the IDP whether the user is logged in or not. For example, you can change your authentication middleware.
Since Laravel 5.3, you can change your unauthenticated method in .
The Saml2::login will redirect the user to the IDP and will came back to an endpoint the library serves at /saml2/consume. That will process the response and fire an event when ready. The next step for you is to handle that event. You just need to login the user or refuse.
Auth persistence
Becarefull about necessary Laravel middleware for Auth persistence in Session.
For exemple, it can be:
And in config/saml2_settings.php
:
Log out
Now there are two ways the user can log out.
- 1 - By logging out in your app: In this case you 'should' notify the IDP first so it closes global session.
- 2 - By logging out of the global SSO Session. In this case the IDP will notify you on /saml2/slo endpoint (already provided)
For case 1 call Saml2Auth::logout();
or redirect the user to the route 'saml_logout' which does just that. Do not close the session inmediately as you need to receive a response confirmation from the IDP (redirection). That response will be handled by the library at /saml2/sls and will fire an event for you to complete the operation.
For case 2 you will only receive the event. Both cases 1 and 2 receive the same event.
Note that for case 2, you may have to manually save your session to make the logout stick (as the session is saved by middleware, but the OneLogin library will redirect back to your IDP before that happens)
That's it. Feel free to ask any questions, make PR or suggestions, or open Issues.
All versions of laravel-saml2 with dependencies
ext-openssl Version *
illuminate/support Version >=5.0.0
onelogin/php-saml Version ^3.0.0