TenantAtlas/specs/065-tenant-rbac-v1/quickstart.md

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# Quickstart: Tenant RBAC v1
This guide provides a quick overview for developers on how to use the Tenant RBAC v1 system.
## Checking Permissions
The core of the RBAC system is a set of defined capabilities. To check if the currently authenticated user has a specific capability, use Laravel's `Gate` facade.
**NEVER check for roles directly.** Always check for capabilities.
### In PHP (Controllers, Policies, Livewire Components)
```php
use Illuminate\Support\Facades\Gate;
// Check for a specific capability
if (Gate::allows('tenant.members.manage')) {
// User can manage members
}
// You can also deny access
if (Gate::denies('tenant.settings.manage')) {
abort(403);
}
```
### In Blade Views
You can use the `@can` and `@cannot` directives in your Blade templates to conditionally show UI elements.
```blade
@can('tenant.members.manage')
<button>Add Member</button>
@endcan
@cannot('tenant.danger_zone')
<p>You are not authorized to access the danger zone.</p>
@endcannot
```
### In Filament Resources
Filament actions and pages can be protected using the `can` method.
```php
use Filament\Actions\Action;
use Filament\Resources\Pages\ListRecords;
// Protecting an action
Action::make('delete')
->requiresConfirmation()
->action(fn ($record) => $record->delete())
->visible(fn ($record) => Gate::allows('tenant.policies.delete', $record));
// Protecting a page
class ListMembers extends ListRecords
{
// ...
public static function canView(): bool
{
return Gate::allows('tenant.members.view');
}
}
```
## Capability Reference
A full list of available capabilities is defined in `specs/065-tenant-rbac-v1/contracts/capabilities.md`.
## Key Principles
1. **Capabilities, Not Roles**: All authorization checks MUST be against capabilities, not roles (`owner`, `manager`, etc.). This decouples the application's logic from the role definitions.
2. **Server-Side Enforcement**: UI hiding is not security. Always enforce permissions on the server-side (in controllers, actions, or policies) in addition to hiding UI elements.
3. **Use Policies for Model-Specific Logic**: For authorization logic that depends on a specific model instance, use a Laravel Policy class.