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<?php
namespace Illuminate\Broadcasting;
use Ably\AblyRest;
use Closure;
use GuzzleHttp\Client as GuzzleClient;
use Illuminate\Broadcasting\Broadcasters\AblyBroadcaster;
use Illuminate\Broadcasting\Broadcasters\LogBroadcaster;
use Illuminate\Broadcasting\Broadcasters\NullBroadcaster;
use Illuminate\Broadcasting\Broadcasters\PusherBroadcaster;
use Illuminate\Broadcasting\Broadcasters\RedisBroadcaster;
use Illuminate\Bus\UniqueLock;
use Illuminate\Contracts\Broadcasting\Factory as FactoryContract;
use Illuminate\Contracts\Broadcasting\ShouldBeUnique;
use Illuminate\Contracts\Broadcasting\ShouldBroadcastNow;
use Illuminate\Contracts\Bus\Dispatcher as BusDispatcherContract;
use Illuminate\Contracts\Cache\Repository as Cache;
use Illuminate\Contracts\Foundation\CachesRoutes;
use InvalidArgumentException;
use Psr\Log\LoggerInterface;
use Pusher\Pusher;
/**
* @mixin \Illuminate\Contracts\Broadcasting\Broadcaster
*/
class BroadcastManager implements FactoryContract
{
/**
* The application instance.
*
* @var \Illuminate\Contracts\Container\Container
*/
protected $app;
/**
* The array of resolved broadcast drivers.
*
* @var array
*/
protected $drivers = [];
/**
* The registered custom driver creators.
*
* @var array
*/
protected $customCreators = [];
/**
* Create a new manager instance.
*
* @param \Illuminate\Contracts\Container\Container $app
* @return void
*/
public function __construct($app)
{
$this->app = $app;
}
/**
* Register the routes for handling broadcast channel authentication and sockets.
*
* @param array|null $attributes
* @return void
*/
public function routes(array $attributes = null)
{
if ($this->app instanceof CachesRoutes && $this->app->routesAreCached()) {
return;
}
$attributes = $attributes ?: ['middleware' => ['web']];
$this->app['router']->group($attributes, function ($router) {
$router->match(
['get', 'post'], '/broadcasting/auth',
'\\'.BroadcastController::class.'@authenticate'
)->withoutMiddleware([\Illuminate\Foundation\Http\Middleware\VerifyCsrfToken::class]);
});
}
/**
* Register the routes for handling broadcast user authentication.
*
* @param array|null $attributes
* @return void
*/
public function userRoutes(array $attributes = null)
{
if ($this->app instanceof CachesRoutes && $this->app->routesAreCached()) {
return;
}
$attributes = $attributes ?: ['middleware' => ['web']];
$this->app['router']->group($attributes, function ($router) {
$router->match(
['get', 'post'], '/broadcasting/user-auth',
'\\'.BroadcastController::class.'@authenticateUser'
)->withoutMiddleware([\Illuminate\Foundation\Http\Middleware\VerifyCsrfToken::class]);
});
}
/**
* Register the routes for handling broadcast authentication and sockets.
*
* Alias of "routes" method.
*
* @param array|null $attributes
* @return void
*/
public function channelRoutes(array $attributes = null)
{
return $this->routes($attributes);
}
/**
* Get the socket ID for the given request.
*
* @param \Illuminate\Http\Request|null $request
* @return string|null
*/
public function socket($request = null)
{
if (! $request && ! $this->app->bound('request')) {
return;
}
$request = $request ?: $this->app['request'];
return $request->header('X-Socket-ID');
}
/**
* Begin broadcasting an event.
*
* @param mixed|null $event
* @return \Illuminate\Broadcasting\PendingBroadcast
*/
public function event($event = null)
{
return new PendingBroadcast($this->app->make('events'), $event);
}
/**
* Queue the given event for broadcast.
*
* @param mixed $event
* @return void
*/
public function queue($event)
{
if ($event instanceof ShouldBroadcastNow ||
(is_object($event) &&
method_exists($event, 'shouldBroadcastNow') &&
$event->shouldBroadcastNow())) {
return $this->app->make(BusDispatcherContract::class)->dispatchNow(new BroadcastEvent(clone $event));
}
$queue = null;
if (method_exists($event, 'broadcastQueue')) {
$queue = $event->broadcastQueue();
} elseif (isset($event->broadcastQueue)) {
$queue = $event->broadcastQueue;
} elseif (isset($event->queue)) {
$queue = $event->queue;
}
$broadcastEvent = new BroadcastEvent(clone $event);
if ($event instanceof ShouldBeUnique) {
$broadcastEvent = new UniqueBroadcastEvent(clone $event);
if ($this->mustBeUniqueAndCannotAcquireLock($broadcastEvent)) {
return;
}
}
$this->app->make('queue')
->connection($event->connection ?? null)
->pushOn($queue, $broadcastEvent);
}
/**
* Determine if the broadcastable event must be unique and determine if we can acquire the necessary lock.
*
* @param mixed $event
* @return bool
*/
protected function mustBeUniqueAndCannotAcquireLock($event)
{
return ! (new UniqueLock(
method_exists($event, 'uniqueVia')
? $event->uniqueVia()
: $this->app->make(Cache::class)
))->acquire($event);
}
/**
* Get a driver instance.
*
* @param string|null $driver
* @return mixed
*/
public function connection($driver = null)
{
return $this->driver($driver);
}
/**
* Get a driver instance.
*
* @param string|null $name
* @return mixed
*/
public function driver($name = null)
{
$name = $name ?: $this->getDefaultDriver();
return $this->drivers[$name] = $this->get($name);
}
/**
* Attempt to get the connection from the local cache.
*
* @param string $name
* @return \Illuminate\Contracts\Broadcasting\Broadcaster
*/
protected function get($name)
{
return $this->drivers[$name] ?? $this->resolve($name);
}
/**
* Resolve the given broadcaster.
*
* @param string $name
* @return \Illuminate\Contracts\Broadcasting\Broadcaster
*
* @throws \InvalidArgumentException
*/
protected function resolve($name)
{
$config = $this->getConfig($name);
if (is_null($config)) {
throw new InvalidArgumentException("Broadcast connection [{$name}] is not defined.");
}
if (isset($this->customCreators[$config['driver']])) {
return $this->callCustomCreator($config);
}
$driverMethod = 'create'.ucfirst($config['driver']).'Driver';
if (! method_exists($this, $driverMethod)) {
throw new InvalidArgumentException("Driver [{$config['driver']}] is not supported.");
}
return $this->{$driverMethod}($config);
}
/**
* Call a custom driver creator.
*
* @param array $config
* @return mixed
*/
protected function callCustomCreator(array $config)
{
return $this->customCreators[$config['driver']]($this->app, $config);
}
/**
* Create an instance of the driver.
*
* @param array $config
* @return \Illuminate\Contracts\Broadcasting\Broadcaster
*/
protected function createPusherDriver(array $config)
{
return new PusherBroadcaster($this->pusher($config));
}
/**
* Get a Pusher instance for the given configuration.
*
* @param array $config
* @return \Pusher\Pusher
*/
public function pusher(array $config)
{
$pusher = new Pusher(
$config['key'],
$config['secret'],
$config['app_id'],
$config['options'] ?? [],
isset($config['client_options']) && ! empty($config['client_options'])
? new GuzzleClient($config['client_options'])
: null,
);
if ($config['log'] ?? false) {
$pusher->setLogger($this->app->make(LoggerInterface::class));
}
return $pusher;
}
/**
* Create an instance of the driver.
*
* @param array $config
* @return \Illuminate\Contracts\Broadcasting\Broadcaster
*/
protected function createAblyDriver(array $config)
{
return new AblyBroadcaster($this->ably($config));
}
/**
* Get an Ably instance for the given configuration.
*
* @param array $config
* @return \Ably\AblyRest
*/
public function ably(array $config)
{
return new AblyRest($config);
}
/**
* Create an instance of the driver.
*
* @param array $config
* @return \Illuminate\Contracts\Broadcasting\Broadcaster
*/
protected function createRedisDriver(array $config)
{
return new RedisBroadcaster(
$this->app->make('redis'), $config['connection'] ?? null,
$this->app['config']->get('database.redis.options.prefix', '')
);
}
/**
* Create an instance of the driver.
*
* @param array $config
* @return \Illuminate\Contracts\Broadcasting\Broadcaster
*/
protected function createLogDriver(array $config)
{
return new LogBroadcaster(
$this->app->make(LoggerInterface::class)
);
}
/**
* Create an instance of the driver.
*
* @param array $config
* @return \Illuminate\Contracts\Broadcasting\Broadcaster
*/
protected function createNullDriver(array $config)
{
return new NullBroadcaster;
}
/**
* Get the connection configuration.
*
* @param string $name
* @return array
*/
protected function getConfig($name)
{
if (! is_null($name) && $name !== 'null') {
return $this->app['config']["broadcasting.connections.{$name}"];
}
return ['driver' => 'null'];
}
/**
* Get the default driver name.
*
* @return string
*/
public function getDefaultDriver()
{
return $this->app['config']['broadcasting.default'];
}
/**
* Set the default driver name.
*
* @param string $name
* @return void
*/
public function setDefaultDriver($name)
{
$this->app['config']['broadcasting.default'] = $name;
}
/**
* Disconnect the given disk and remove from local cache.
*
* @param string|null $name
* @return void
*/
public function purge($name = null)
{
$name ??= $this->getDefaultDriver();
unset($this->drivers[$name]);
}
/**
* Register a custom driver creator Closure.
*
* @param string $driver
* @param \Closure $callback
* @return $this
*/
public function extend($driver, Closure $callback)
{
$this->customCreators[$driver] = $callback;
return $this;
}
/**
* Get the application instance used by the manager.
*
* @return \Illuminate\Contracts\Foundation\Application
*/
public function getApplication()
{
return $this->app;
}
/**
* Set the application instance used by the manager.
*
* @param \Illuminate\Contracts\Foundation\Application $app
* @return $this
*/
public function setApplication($app)
{
$this->app = $app;
return $this;
}
/**
* Forget all of the resolved driver instances.
*
* @return $this
*/
public function forgetDrivers()
{
$this->drivers = [];
return $this;
}
/**
* Dynamically call the default driver instance.
*
* @param string $method
* @param array $parameters
* @return mixed
*/
public function __call($method, $parameters)
{
return $this->driver()->$method(...$parameters);
}
}
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