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| 1 | <?php |
| 2 | |
| 3 | namespace App\Services\Permission; |
| 4 | |
| 5 | use Illuminate\Support\Str; |
| 6 | |
| 7 | /** |
| 8 | * The one place that answers "is this staff member allowed to X". |
| 9 | * |
| 10 | * permissions()->allows('manage_products') |
| 11 | * permissions()->abilityForRoute('admin.product.index') // -> 'manage_products' | null |
| 12 | * |
| 13 | * Rules (in order): |
| 14 | * 1. `rbac` feature OFF -> allowed (single-owner shop) |
| 15 | * 2. user id 1 or has the "Owner" role -> allowed (bypass — see AppServiceProvider Gate::before) |
| 16 | * 3. otherwise -> the user's role must grant the ability |
| 17 | */ |
| 18 | class PermissionService |
| 19 | { |
| 20 | /** @return array<string, array<string, array>> group => (ability => def) */ |
| 21 | public function groups(): array |
| 22 | { |
| 23 | return config('permissions', []); |
| 24 | } |
| 25 | |
| 26 | /** Flat list of every ability key. */ |
| 27 | public function abilities(): array |
| 28 | { |
| 29 | return collect($this->groups())->flatMap(fn ($g) => array_keys($g))->all(); |
| 30 | } |
| 31 | |
| 32 | public function label(string $ability): string |
| 33 | { |
| 34 | foreach ($this->groups() as $abilities) { |
| 35 | if (isset($abilities[$ability])) { |
| 36 | return $abilities[$ability]['label']; |
| 37 | } |
| 38 | } |
| 39 | |
| 40 | return Str::headline($ability); |
| 41 | } |
| 42 | |
| 43 | public function enforced(): bool |
| 44 | { |
| 45 | return (bool) feature('rbac'); |
| 46 | } |
| 47 | |
| 48 | public function allows(string $ability, $user = null): bool |
| 49 | { |
| 50 | if (! $this->enforced()) { |
| 51 | return true; |
| 52 | } |
| 53 | |
| 54 | $user ??= auth()->user(); |
| 55 | if (! $user) { |
| 56 | return false; |
| 57 | } |
| 58 | |
| 59 | if ((int) $user->id === 1 || $user->hasRole('Owner')) { |
| 60 | return true; |
| 61 | } |
| 62 | |
| 63 | return $user->hasPermissionTo($ability); |
| 64 | } |
| 65 | |
| 66 | /** Which ability (if any) guards a route name? First matching prefix wins. */ |
| 67 | public function abilityForRoute(?string $routeName): ?string |
| 68 | { |
| 69 | if (! $routeName) { |
| 70 | return null; |
| 71 | } |
| 72 | |
| 73 | foreach ($this->groups() as $abilities) { |
| 74 | foreach ($abilities as $key => $def) { |
| 75 | foreach ($def['routes'] ?? [] as $prefix) { |
| 76 | if (Str::startsWith($routeName, $prefix) || $routeName === rtrim($prefix, '.')) { |
| 77 | return $key; |
| 78 | } |
| 79 | } |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | return null; |
| 84 | } |
| 85 | |
| 86 | /** |
| 87 | * Which ability guards a URL / path? Route names in this app mirror paths |
| 88 | * ("admin.product." -> "/admin/product"), so we translate and prefix-match. |
| 89 | * Used to gate menu items that only carry a url. |
| 90 | */ |
| 91 | public function abilityForPath(?string $url): ?string |
| 92 | { |
| 93 | if (! $url) { |
| 94 | return null; |
| 95 | } |
| 96 | |
| 97 | $path = '/' . ltrim(parse_url($url, PHP_URL_PATH) ?? '', '/'); |
| 98 | |
| 99 | foreach ($this->groups() as $abilities) { |
| 100 | foreach ($abilities as $key => $def) { |
| 101 | foreach ($def['routes'] ?? [] as $routePrefix) { |
| 102 | $p = '/' . str_replace('.', '/', rtrim($routePrefix, '.')); |
| 103 | if ($path === $p || Str::startsWith($path, $p . '/')) { |
| 104 | return $key; |
| 105 | } |
| 106 | } |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | return null; |
| 111 | } |
| 112 | } |