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<?php |
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namespace BeyondCode\LaravelWebSockets\PubSub\Broadcasters; |
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use Illuminate\Broadcasting\Broadcasters\Broadcaster; |
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use Illuminate\Broadcasting\Broadcasters\UsePusherChannelConventions; |
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use Illuminate\Contracts\Redis\Factory as Redis; |
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use Illuminate\Support\Arr; |
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use Illuminate\Support\Str; |
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use Pusher\Pusher; |
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use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException; |
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class RedisPusherBroadcaster extends Broadcaster |
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{ |
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use UsePusherChannelConventions; |
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/** |
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* The Pusher SDK instance. |
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* |
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* @var \Pusher\Pusher |
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*/ |
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protected $pusher; |
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/** |
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* The Pusher app ID, to be passed in the payload. |
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* |
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* @var string |
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*/ |
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protected $appId; |
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/** |
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* The Redis instance. |
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* |
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* @var \Illuminate\Contracts\Redis\Factory |
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*/ |
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protected $redis; |
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/** |
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* The Redis connection to use for broadcasting. |
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* |
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* @var string|null |
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*/ |
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protected $connection; |
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/** |
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* Create a new broadcaster instance. |
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* |
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* @param Pusher $pusher |
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* @param string $appId |
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* @param \Illuminate\Contracts\Redis\Factory $redis |
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* @param string|null $connection |
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*/ |
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public function __construct(Pusher $pusher, string $appId, Redis $redis, $connection = null) |
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{ |
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$this->pusher = $pusher; |
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$this->appId = $appId; |
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$this->redis = $redis; |
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$this->connection = $connection; |
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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 $request |
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* @return mixed |
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* |
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* @throws \Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException |
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*/ |
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public function auth($request) |
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{ |
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$channelName = $this->normalizeChannelName($request->channel_name); |
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if ($this->isGuardedChannel($request->channel_name) && |
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! $this->retrieveUser($request, $channelName)) { |
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throw new AccessDeniedHttpException; |
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} |
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return parent::verifyUserCanAccessChannel( |
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$request, $channelName |
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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 $result |
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* @return mixed |
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* @throws \Pusher\PusherException |
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*/ |
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public function validAuthenticationResponse($request, $result) |
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{ |
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if (Str::startsWith($request->channel_name, 'private')) { |
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return $this->decodePusherResponse( |
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$request, $this->pusher->socket_auth($request->channel_name, $request->socket_id) |
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); |
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} |
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$channelName = $this->normalizeChannelName($request->channel_name); |
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return $this->decodePusherResponse( |
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$request, |
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$this->pusher->presence_auth( |
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$request->channel_name, $request->socket_id, |
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$this->retrieveUser($request, $channelName)->getAuthIdentifier(), $result |
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) |
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); |
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} |
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/** |
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* Decode the given Pusher response. |
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* |
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* @param \Illuminate\Http\Request $request |
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* @param mixed $response |
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* @return array |
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*/ |
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protected function decodePusherResponse($request, $response) |
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{ |
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if (! $request->input('callback', false)) { |
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return json_decode($response, true); |
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} |
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return response()->json(json_decode($response, true)) |
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->withCallback($request->callback); |
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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 $payload = []) |
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{ |
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$connection = $this->redis->connection($this->connection); |
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$payload = json_encode([ |
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'appId' => $this->appId, |
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'event' => $event, |
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'data' => $payload, |
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'socket' => Arr::pull($payload, 'socket'), |
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]); |
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foreach ($this->formatChannels($channels) as $channel) { |
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$connection->publish("{$this->appId}:$channel", $payload); |
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} |
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} |
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} |
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This check looks for a call to a parent method whose name is different than the method from which it is called.
Consider the following code:
The
getFirstName()
method in theSon
calls the wrong method in the parent class.