Discourse is a great online forum software that supports Single Sign On (SSO). There is a great PHP library that handles all of the heavy lifting to make the SSO work called cviebrock/discourse-php, which this package uses. This package is loosely based on the work done by jaewun/discourse-sso-laravel.
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Aside from Laravel >= 5.5, there is 1 package that is required.
Install Discourse SSO for Laravel:
$ composer require spinen/laravel-discourse-ssoThe package uses the auto registration feature of Laravel 5.
All of the configuration values are stored in under a discourse key in config/services.php. Here is the array to add...
'discourse' => [
// Middleware for the SSO login route to use
'middleware' => ['web', 'auth'],
// The route's URI that acts as the entry point for Discourse to start the SSO process.
// Used by Discourse to route incoming logins.
'route' => 'discourse/sso',
// Optional domain to link sso route when using SSubdomain Routing
'domain' => null,
// Secret string used to encrypt/decrypt SSO information,
// be sure that it is 10 chars or longer
'secret' => env('DISCOURSE_SECRET'),
// Disable Discourse from sending welcome message
'suppress_welcome_message' => 'true',
// Where the Discourse forum lives
'url' => env('DISCOURSE_URL'),
// Api-specific items
// For logging out of Discourse directly, generate an API key as an "All user key" and put the key & user here.
// @see https://meta.discourse.org/t/how-to-create-an-api-key-on-the-admin-panel/87383
'api' => [
'key' => env('DISCOURSE_API_KEY'),
'user' => env('DISCOURSE_API_USER'),
],
// User-specific items
// NOTE: The 'email' & 'external_id' are the only 2 required fields
'user' => [
// Check to see if the user has forum access & should be logged in via SSO
'access' => null,
// Discourse Groups to make sure that the user is part of in a comma-separated string
// NOTE: Groups cannot have spaces in their names & must already exist in Discourse
'add_groups' => null,
// Boolean for making the user a Discourse admin. Leave null to ignore
'admin' => null,
// Full path to user's avatar image
'avatar_url' => null,
// The avatar is cached, so this triggers an update
'avatar_force_update' => false,
// Content of the user's bio
'bio' => null,
// Verified email address (see "require_activation" if not verified)
'email' => 'email',
// Unique string for the user that will never change
'external_id' => 'id',
// Boolean for making user a Discourse moderator. Leave null to ignore
'moderator' => null,
// Full name on Discourse if the user is new or
// if SiteSetting.sso_overrides_name is set
'name' => 'name',
// Discourse Groups to make sure that the user is *NOT* part of in a comma-separated string.
// NOTE: Groups cannot have spaces in their names & must already exist in Discourse
// There is not a way to specify the exact list of groups that a user is in, so
// you may want to send the inverse of the 'add_groups'
'remove_groups' => null,
// If the email has not been verified, set this to true
'require_activation' => false,
// username on Discourse if the user is new or
// if SiteSetting.sso_overrides_username is set
'username' => 'email',
],
],The value of the properties for the user property can be one of 4 values...
false-- passed as set to Discoursetrue-- passed as set to Discoursenull-- disables sending property to Discourse- a
string-- name of a property on theUsermodel
You can then add logic to the User model inside of Accessors to provide the values for the properties configured for the user. For example, if you wanted any user with an email address that matched "yourdomain.tld" to be a moderator, then you could set the moderator property to a string like discourse_moderator and add the following to your User model...
/**
* Is the user a Discourse moderator?
*
* @param string $value
* @return boolean
*/
public function getDiscourseModeratorAttribute($value)
{
return ends_with($this->email, "yourdomain.tld");
}These are the configs we have under Settings -> Login. If a setting isn't listed, then ours is set to the default value.
| Setting | Value |
|---|---|
| login required | true |
| enable sso | true |
| sso url | Our Laravel's SSO route (FQDN) |
| sso secret | Our SSO secret key |
| sso overrides bio | true |
| sso overrides email | true |
| sso overrides username | true |
| sso overrides name | true |
| sso overrides avatar | true |
| sso not approved url | Our Laravel homepage (same as url in config/app.php) |
| hide email address taken | true |
These are the configs we have under Settings -> Users. If a setting isn't listed, then ours is set to the default value.
| Setting | Value |
|---|---|
| reserved usernames | We added our client's company name |
| min password length | 8 |
| min admin password length | 8 |
| email editable | false |
| logout redirect | Our Laravel homepage (same as url in config/app.php) |
| purge unactivated users grace period days | 30 |
| hide user profiles from public | true |
There's a listener in src/Listeners/LogoutDiscourseUser.php that will automatically log out the user from Discourse when certain events are fired. To use the Listener, you need to register the event in the $listen array in your EventServiceProvider.
When a Laravel User logs out, to log out their Discourse session Simply add the Laravel Logout event & the LogoutDiscourseUser listener in that $listen array. If you want to log out Discourse users on a Laravel User being deleted or disabled, make your own event class and register it the same way.
protected $listen = [
\Illuminate\Auth\Events\Logout::class => [
\Spinen\Discourse\Listeners\LogoutDiscourseUser::class,
],
\App\Events\YourCustomEvent::class => [
\Spinen\Discourse\Listeners\LogoutDiscourseUser::class,
],
];In Laravel 11, the use of the EventServiceProvider is discouraged and events should be registered in the AppServiceProvider.
Therefore, the implementation is slightly different, and it should be registered within the boot method of the AppServiceProvider as per the example below.
/**
* Bootstrap any application services.
*/
public function boot(): void
{
Event::listen(
\Illuminate\Auth\Events\Logout::class,
\Spinen\Discourse\Listeners\LogoutDiscourseUser::class
);
}- badges for user
- support for
custom_fields - failed login redirect
return_pathssupport