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<?php |
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namespace LaraComponents\Centrifuge; |
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use Exception; |
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use Illuminate\Broadcasting\BroadcastException; |
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use Illuminate\Broadcasting\Broadcasters\Broadcaster; |
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use Symfony\Component\HttpKernel\Exception\HttpException; |
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use LaraComponents\Centrifuge\Contracts\Centrifuge as CentrifugeContract; |
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class CentrifugeBroadcaster extends Broadcaster |
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{ |
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/** |
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* The Centrifuge SDK instance. |
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* |
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* @var \LaraComponents\Centrifuge\Contracts\Centrifuge |
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*/ |
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protected $centrifuge; |
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/** |
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* Create a new broadcaster instance. |
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* |
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* @param \LaraComponents\Centrifuge\Contracts\Centrifuge $centrifuge |
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*/ |
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public function __construct(CentrifugeContract $centrifuge) |
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{ |
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$this->centrifuge = $centrifuge; |
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} |
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/** |
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* Authenticate the incoming request for a given channel. |
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* |
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* @param \Illuminate\Http\Request $request |
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* @return mixed |
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*/ |
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public function auth($request) |
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{ |
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if ($request->user()) { |
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$client = $request->get('client', ''); |
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$channels = $request->get('channels', []); |
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$channels = is_array($channels) ? $channels : [$channels]; |
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$response = []; |
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$info = json_encode([]); |
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foreach ($channels as $channel) { |
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$channelName = (substr($channel, 0, 1) === '$') ? substr($channel, 1) : $channel; |
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try { |
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$result = $this->verifyUserCanAccessChannel($request, $channelName); |
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} catch (HttpException $e) { |
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$result = false; |
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} |
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$response[$channel] = $result ? [ |
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'sign' => $this->centrifuge->generateToken($client, $channel, $info), |
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'info' => $info, |
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] : [ |
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'status' => 403, |
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]; |
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} |
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return response()->json($response); |
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} else { |
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throw new HttpException(401); |
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} |
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} |
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/** |
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* Return the valid authentication response. |
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* |
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* @param \Illuminate\Http\Request $request |
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* @param mixed $result |
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* @return mixed |
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*/ |
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public function validAuthenticationResponse($request, $result) |
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{ |
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return $result; |
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} |
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/** |
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* Broadcast the given event. |
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* |
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* @param array $channels |
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* @param string $event |
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* @param array $payload |
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* @return void |
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*/ |
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public function broadcast(array $channels, $event, array $payload = []) |
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{ |
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$payload['event'] = $event; |
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$socket = null; |
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if(array_key_exists('socket', $payload)) { |
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$socket = $payload['socket']; |
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unset($payload['socket']); |
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} |
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$response = $this->centrifuge->broadcast($this->formatChannels($channels), $payload, $socket); |
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if (is_array($response) && is_null($response['error'])) { |
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return; |
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} |
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throw new BroadcastException( |
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$response['error'] instanceof Exception ? $response['error']->getMessage() : $response['error'] |
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); |
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} |
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/** |
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* Get the Centrifuge instance. |
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* |
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* @return \LaraComponents\Centrifuge\Contracts\Centrifuge |
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*/ |
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public function getCentrifuge() |
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{ |
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return $this->centrifuge; |
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} |
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} |
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LaraComponents /
centrifuge-broadcaster
