Viewing file:  PusherBroadcaster.php (4.64 KB) -rw-r--r--
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<?php
namespace Illuminate\Broadcasting\Broadcasters;
use Illuminate\Broadcasting\BroadcastException;
use Illuminate\Support\Arr;
use Illuminate\Support\Str;
use Pusher\ApiErrorException;
use Pusher\Pusher;
use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
class PusherBroadcaster extends Broadcaster
{
use UsePusherChannelConventions;
/**
* The Pusher SDK instance.
*
* @var \Pusher\Pusher
*/
protected $pusher;
/**
* Create a new broadcaster instance.
*
* @param \Pusher\Pusher $pusher
* @return void
*/
public function __construct(Pusher $pusher)
{
$this->pusher = $pusher;
}
/**
* Authenticate the incoming request for a given channel.
*
* @param \Illuminate\Http\Request $request
* @return mixed
*
* @throws \Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException
*/
public function auth($request)
{
$channelName = $this->normalizeChannelName($request->channel_name);
if (empty($request->channel_name) ||
($this->isGuardedChannel($request->channel_name) &&
! $this->retrieveUser($request, $channelName))) {
throw new AccessDeniedHttpException;
}
return parent::verifyUserCanAccessChannel(
$request, $channelName
);
}
/**
* Return the valid authentication response.
*
* @param \Illuminate\Http\Request $request
* @param mixed $result
* @return mixed
*/
public function validAuthenticationResponse($request, $result)
{
if (Str::startsWith($request->channel_name, 'private')) {
return $this->decodePusherResponse(
$request, $this->pusher->socket_auth($request->channel_name, $request->socket_id)
);
}
$channelName = $this->normalizeChannelName($request->channel_name);
return $this->decodePusherResponse(
$request,
$this->pusher->presence_auth(
$request->channel_name, $request->socket_id,
$this->retrieveUser($request, $channelName)->getAuthIdentifier(), $result
)
);
}
/**
* Decode the given Pusher response.
*
* @param \Illuminate\Http\Request $request
* @param mixed $response
* @return array
*/
protected function decodePusherResponse($request, $response)
{
if (! $request->input('callback', false)) {
return json_decode($response, true);
}
return response()->json(json_decode($response, true))
->withCallback($request->callback);
}
/**
* Broadcast the given event.
*
* @param array $channels
* @param string $event
* @param array $payload
* @return void
*
* @throws \Illuminate\Broadcasting\BroadcastException
*/
public function broadcast(array $channels, $event, array $payload = [])
{
$socket = Arr::pull($payload, 'socket');
if ($this->pusherServerIsVersionFiveOrGreater()) {
$parameters = $socket !== null ? ['socket_id' => $socket] : [];
try {
$this->pusher->trigger(
$this->formatChannels($channels), $event, $payload, $parameters
);
} catch (ApiErrorException $e) {
throw new BroadcastException(
sprintf('Pusher error: %s.', $e->getMessage())
);
}
} else {
$response = $this->pusher->trigger(
$this->formatChannels($channels), $event, $payload, $socket, true
);
if ((is_array($response) && $response['status'] >= 200 && $response['status'] <= 299)
|| $response === true) {
return;
}
throw new BroadcastException(
! empty($response['body'])
? sprintf('Pusher error: %s.', $response['body'])
: 'Failed to connect to Pusher.'
);
}
}
/**
* Determine if the Pusher PHP server is version 5.0 or greater.
*
* @return bool
*/
protected function pusherServerIsVersionFiveOrGreater()
{
return class_exists(ApiErrorException::class);
}
/**
* Get the Pusher SDK instance.
*
* @return \Pusher\Pusher
*/
public function getPusher()
{
return $this->pusher;
}
/**
* Set the Pusher SDK instance.
*
* @param \Pusher\Pusher $pusher
* @return void
*/
public function setPusher($pusher)
{
$this->pusher = $pusher;
}
}
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