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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Engelsystem\Controllers; |
| 6 | |
| 7 | use Engelsystem\Config\Config; |
| 8 | use Engelsystem\Helpers\Authenticator; |
| 9 | use Engelsystem\Helpers\Carbon; |
| 10 | use Engelsystem\Http\Exceptions\HttpNotFound; |
| 11 | use Engelsystem\Http\Request; |
| 12 | use Engelsystem\Http\Response; |
| 13 | use Engelsystem\Models\AngelType; |
| 14 | use Engelsystem\Models\User\User; |
| 15 | use Engelsystem\Models\UserAngelType; |
| 16 | use Exception; |
| 17 | use Firebase\JWT\BeforeValidException; |
| 18 | use Firebase\JWT\ExpiredException; |
| 19 | use Firebase\JWT\JWT; |
| 20 | use Firebase\JWT\Key; |
| 21 | use Firebase\JWT\SignatureInvalidException; |
| 22 | use Illuminate\Support\Str; |
| 23 | use Psr\Http\Message\ServerRequestInterface; |
| 24 | use Psr\Log\LoggerInterface; |
| 25 | use UnexpectedValueException; |
| 26 | |
| 27 | class AngelTypesController extends BaseController |
| 28 | { |
| 29 | use HasUserNotifications; |
| 30 | |
| 31 | public function __construct( |
| 32 | protected Response $response, |
| 33 | protected Config $config, |
| 34 | protected Authenticator $auth, |
| 35 | protected LoggerInterface $log, |
| 36 | ) { |
| 37 | } |
| 38 | |
| 39 | public function hasPermission(ServerRequestInterface $request, string $method): ?bool |
| 40 | { |
| 41 | return match ($method) { |
| 42 | 'qrCode' => |
| 43 | $this->auth->user()?->isAngelTypeSupporter($this->getAngelType($request)) |
| 44 | || $this->auth->can('admin_user_angeltypes'), |
| 45 | 'join' => (bool) $this->auth->user(), |
| 46 | default => parent::hasPermission($request, $method), |
| 47 | }; |
| 48 | } |
| 49 | |
| 50 | public function about(): Response |
| 51 | { |
| 52 | $angeltypes = AngelType::all(); |
| 53 | |
| 54 | return $this->response->withView( |
| 55 | 'pages/angeltypes/about', |
| 56 | ['angeltypes' => $angeltypes] |
| 57 | ); |
| 58 | } |
| 59 | |
| 60 | public function qrCode(Request $request): Response |
| 61 | { |
| 62 | $this->qrJoinEnabled(); |
| 63 | $angelType = $this->getAngelType($request); |
| 64 | $jwtExpirationMin = $this->config->get('jwt_expiration_time'); |
| 65 | $qrData = null; |
| 66 | $data = []; |
| 67 | |
| 68 | if ($request->isMethod('post')) { |
| 69 | $data = $this->validate($request, [ |
| 70 | 'minutes' => 'required|int|min:1|max:' . $jwtExpirationMin, |
| 71 | ]); |
| 72 | $minutes = (int) $data['minutes']; |
| 73 | $time = Carbon::now(); |
| 74 | |
| 75 | $key = $this->config->get('app_key'); |
| 76 | $alg = $this->config->get('jwt_algorithm'); |
| 77 | $jti = Str::random(); |
| 78 | |
| 79 | $iat = $time->timestamp; |
| 80 | $exp = $time->addMinutes($minutes)->timestamp; |
| 81 | $data['expires'] = $time; |
| 82 | |
| 83 | $payload = [ |
| 84 | 'sub' => 'join_angel_type', |
| 85 | 'iat' => $iat, |
| 86 | 'exp' => $exp, |
| 87 | 'jti' => $jti, |
| 88 | 'id' => $angelType->id, |
| 89 | 'by' => $this->auth->user()->id, |
| 90 | ]; |
| 91 | $jwt = JWT::encode($payload, $key, $alg); |
| 92 | $qrData = url('/angeltypes/' . $angelType->id . '/join', ['token' => $jwt]); |
| 93 | } |
| 94 | |
| 95 | return $this->response->withInput($data)->withView( |
| 96 | 'pages/angeltypes/qr', |
| 97 | ['angel_type' => $angelType, 'qr_data' => $qrData, 'qr_max_expiration_minutes' => $jwtExpirationMin], |
| 98 | ); |
| 99 | } |
| 100 | |
| 101 | public function join(Request $request): Response |
| 102 | { |
| 103 | $this->qrJoinEnabled(); |
| 104 | $angelType = $this->getAngelType($request); |
| 105 | |
| 106 | $jwt = $request->get('token', ''); |
| 107 | |
| 108 | $key = $this->config->get('app_key'); |
| 109 | $alg = $this->config->get('jwt_algorithm'); |
| 110 | |
| 111 | try { |
| 112 | $decoded = JWT::decode($jwt, new Key($key, $alg)); |
| 113 | } catch (BeforeValidException | ExpiredException) { |
| 114 | throw new HttpNotFound('jwt.invalid_time'); |
| 115 | } catch (UnexpectedValueException | SignatureInvalidException $e) { |
| 116 | $this->log->warning('JWT: ' . $e->getMessage()); |
| 117 | if ($e->getMessage() === 'Wrong number of segments') { |
| 118 | throw new HttpNotFound('jwt.wrong_format'); |
| 119 | } |
| 120 | throw new HttpNotFound('jwt.code_error'); |
| 121 | } catch (Exception $e) { |
| 122 | $this->log->error('JWT Error', ['exception' => $e]); |
| 123 | throw new HttpNotFound(); |
| 124 | } |
| 125 | |
| 126 | $type = $decoded->sub ?? null; |
| 127 | $id = $decoded->id ?? null; |
| 128 | $jti = $decoded->jti ?? null; |
| 129 | if ($type !== 'join_angel_type' || $id !== $angelType->id) { |
| 130 | throw new HttpNotFound(); |
| 131 | } |
| 132 | |
| 133 | /** @var User $confirmingUser */ |
| 134 | $confirmingUser = User::findOrFail($decoded->by ?? null); |
| 135 | /** @var UserAngelType $userAngelType */ |
| 136 | $userAngelType = UserAngelType::firstOrNew([ |
| 137 | 'user_id' => $this->auth->user()->id, |
| 138 | 'angel_type_id' => $angelType->id, |
| 139 | ]); |
| 140 | |
| 141 | if (!$userAngelType->confirmUser) { |
| 142 | $userAngelType->confirmUser()->associate($confirmingUser); |
| 143 | |
| 144 | $this->log->info( |
| 145 | 'Joined angel type {type} ({type_id}) via QR token {token_id} ' |
| 146 | . 'created by {confirming_user} ({confirming_id})', |
| 147 | [ |
| 148 | 'type' => $angelType->name, |
| 149 | 'type_id' => $angelType->id, |
| 150 | 'token_id' => $jti, |
| 151 | 'confirming_user' => $confirmingUser->name, |
| 152 | 'confirming_id' => $confirmingUser->id, |
| 153 | ] |
| 154 | ); |
| 155 | |
| 156 | $userAngelType->save(); |
| 157 | } |
| 158 | |
| 159 | $this->addNotification('angeltype.add.success'); |
| 160 | |
| 161 | return redirect(url('/angeltypes', ['action' => 'view', 'angeltype_id' => $angelType->id])); |
| 162 | } |
| 163 | |
| 164 | protected function qrJoinEnabled(): void |
| 165 | { |
| 166 | if ($this->config->get('app_key') && $this->config->get('join_qr_code', true)) { |
| 167 | return; |
| 168 | } |
| 169 | |
| 170 | throw new HttpNotFound(); |
| 171 | } |
| 172 | |
| 173 | protected function getAngelType(ServerRequestInterface $request): AngelType |
| 174 | { |
| 175 | $angelTypeId = (int) $request->getAttribute('angel_type_id'); |
| 176 | /** @var AngelType $angelType */ |
| 177 | $angelType = AngelType::findOrFail($angelTypeId); |
| 178 | return $angelType; |
| 179 | } |
| 180 | } |