Na}{

File Content: `Broadcaster.php`

<?php

namespace Illuminate\Broadcasting\Broadcasters;

use Closure;
use Exception;
use Illuminate\Container\Container;
use Illuminate\Contracts\Broadcasting\Broadcaster as BroadcasterContract;
use Illuminate\Contracts\Broadcasting\HasBroadcastChannel;
use Illuminate\Contracts\Routing\BindingRegistrar;
use Illuminate\Contracts\Routing\UrlRoutable;
use Illuminate\Support\Arr;
use Illuminate\Support\Reflector;
use ReflectionClass;
use ReflectionFunction;
use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;

abstract class Broadcaster implements BroadcasterContract
{
    /**
     * The callback to resolve the authenticated user information.
     *
     * @var \Closure|null
     */
    protected $authenticatedUserCallback = null;

    /**
     * The registered channel authenticators.
     *
     * @var array
     */
    protected $channels = [];

    /**
     * The registered channel options.
     *
     * @var array
     */
    protected $channelOptions = [];

    /**
     * The binding registrar instance.
     *
     * @var \Illuminate\Contracts\Routing\BindingRegistrar
     */
    protected $bindingRegistrar;

    /**
     * Resolve the authenticated user payload for the incoming connection request.
     *
     * See: https://pusher.com/docs/channels/library_auth_reference/auth-signatures/#user-authentication.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return array|null
     */
    public function resolveAuthenticatedUser($request)
    {
        if ($this->authenticatedUserCallback) {
            return $this->authenticatedUserCallback->__invoke($request);
        }
    }

    /**
     * Register the user retrieval callback used to authenticate connections.
     *
     * See: https://pusher.com/docs/channels/library_auth_reference/auth-signatures/#user-authentication.
     *
     * @param  \Closure  $callback
     * @return void
     */
    public function resolveAuthenticatedUserUsing(Closure $callback)
    {
        $this->authenticatedUserCallback = $callback;
    }

    /**
     * Register a channel authenticator.
     *
     * @param  \Illuminate\Contracts\Broadcasting\HasBroadcastChannel|string  $channel
     * @param  callable|string  $callback
     * @param  array  $options
     * @return $this
     */
    public function channel($channel, $callback, $options = [])
    {
        if ($channel instanceof HasBroadcastChannel) {
            $channel = $channel->broadcastChannelRoute();
        } elseif (is_string($channel) && class_exists($channel) && is_a($channel, HasBroadcastChannel::class, true)) {
            $channel = (new $channel)->broadcastChannelRoute();
        }

        $this->channels[$channel] = $callback;

        $this->channelOptions[$channel] = $options;

        return $this;
    }

    /**
     * Authenticate the incoming request for a given channel.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  string  $channel
     * @return mixed
     *
     * @throws \Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException
     */
    protected function verifyUserCanAccessChannel($request, $channel)
    {
        foreach ($this->channels as $pattern => $callback) {
            if (! $this->channelNameMatchesPattern($channel, $pattern)) {
                continue;
            }

            $parameters = $this->extractAuthParameters($pattern, $channel, $callback);

            $handler = $this->normalizeChannelHandlerToCallable($callback);

            $result = $handler($this->retrieveUser($request, $channel), ...$parameters);

            if ($result === false) {
                throw new AccessDeniedHttpException;
            } elseif ($result) {
                return $this->validAuthenticationResponse($request, $result);
            }
        }

        throw new AccessDeniedHttpException;
    }

    /**
     * Extract the parameters from the given pattern and channel.
     *
     * @param  string  $pattern
     * @param  string  $channel
     * @param  callable|string  $callback
     * @return array
     */
    protected function extractAuthParameters($pattern, $channel, $callback)
    {
        $callbackParameters = $this->extractParameters($callback);

        return collect($this->extractChannelKeys($pattern, $channel))->reject(function ($value, $key) {
            return is_numeric($key);
        })->map(function ($value, $key) use ($callbackParameters) {
            return $this->resolveBinding($key, $value, $callbackParameters);
        })->values()->all();
    }

    /**
     * Extracts the parameters out of what the user passed to handle the channel authentication.
     *
     * @param  callable|string  $callback
     * @return \ReflectionParameter[]
     *
     * @throws \Exception
     */
    protected function extractParameters($callback)
    {
        if (is_callable($callback)) {
            return (new ReflectionFunction($callback))->getParameters();
        } elseif (is_string($callback)) {
            return $this->extractParametersFromClass($callback);
        }

        throw new Exception('Given channel handler is an unknown type.');
    }

    /**
     * Extracts the parameters out of a class channel's "join" method.
     *
     * @param  string  $callback
     * @return \ReflectionParameter[]
     *
     * @throws \Exception
     */
    protected function extractParametersFromClass($callback)
    {
        $reflection = new ReflectionClass($callback);

        if (! $reflection->hasMethod('join')) {
            throw new Exception('Class based channel must define a "join" method.');
        }

        return $reflection->getMethod('join')->getParameters();
    }

    /**
     * Extract the channel keys from the incoming channel name.
     *
     * @param  string  $pattern
     * @param  string  $channel
     * @return array
     */
    protected function extractChannelKeys($pattern, $channel)
    {
        preg_match('/^'.preg_replace('/\{(.*?)\}/', '(?<$1>[^\.]+)', $pattern).'/', $channel, $keys);

        return $keys;
    }

    /**
     * Resolve the given parameter binding.
     *
     * @param  string  $key
     * @param  string  $value
     * @param  array  $callbackParameters
     * @return mixed
     */
    protected function resolveBinding($key, $value, $callbackParameters)
    {
        $newValue = $this->resolveExplicitBindingIfPossible($key, $value);

        return $newValue === $value ? $this->resolveImplicitBindingIfPossible(
            $key, $value, $callbackParameters
        ) : $newValue;
    }

    /**
     * Resolve an explicit parameter binding if applicable.
     *
     * @param  string  $key
     * @param  mixed  $value
     * @return mixed
     */
    protected function resolveExplicitBindingIfPossible($key, $value)
    {
        $binder = $this->binder();

        if ($binder && $binder->getBindingCallback($key)) {
            return call_user_func($binder->getBindingCallback($key), $value);
        }

        return $value;
    }

    /**
     * Resolve an implicit parameter binding if applicable.
     *
     * @param  string  $key
     * @param  mixed  $value
     * @param  array  $callbackParameters
     * @return mixed
     *
     * @throws \Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException
     */
    protected function resolveImplicitBindingIfPossible($key, $value, $callbackParameters)
    {
        foreach ($callbackParameters as $parameter) {
            if (! $this->isImplicitlyBindable($key, $parameter)) {
                continue;
            }

            $className = Reflector::getParameterClassName($parameter);

            if (is_null($model = (new $className)->resolveRouteBinding($value))) {
                throw new AccessDeniedHttpException;
            }

            return $model;
        }

        return $value;
    }

    /**
     * Determine if a given key and parameter is implicitly bindable.
     *
     * @param  string  $key
     * @param  \ReflectionParameter  $parameter
     * @return bool
     */
    protected function isImplicitlyBindable($key, $parameter)
    {
        return $parameter->getName() === $key &&
                        Reflector::isParameterSubclassOf($parameter, UrlRoutable::class);
    }

    /**
     * Format the channel array into an array of strings.
     *
     * @param  array  $channels
     * @return array
     */
    protected function formatChannels(array $channels)
    {
        return array_map(function ($channel) {
            return (string) $channel;
        }, $channels);
    }

    /**
     * Get the model binding registrar instance.
     *
     * @return \Illuminate\Contracts\Routing\BindingRegistrar
     */
    protected function binder()
    {
        if (! $this->bindingRegistrar) {
            $this->bindingRegistrar = Container::getInstance()->bound(BindingRegistrar::class)
                        ? Container::getInstance()->make(BindingRegistrar::class) : null;
        }

        return $this->bindingRegistrar;
    }

    /**
     * Normalize the given callback into a callable.
     *
     * @param  mixed  $callback
     * @return callable
     */
    protected function normalizeChannelHandlerToCallable($callback)
    {
        return is_callable($callback) ? $callback : function (...$args) use ($callback) {
            return Container::getInstance()
                ->make($callback)
                ->join(...$args);
        };
    }

    /**
     * Retrieve the authenticated user using the configured guard (if any).
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  string  $channel
     * @return mixed
     */
    protected function retrieveUser($request, $channel)
    {
        $options = $this->retrieveChannelOptions($channel);

        $guards = $options['guards'] ?? null;

        if (is_null($guards)) {
            return $request->user();
        }

        foreach (Arr::wrap($guards) as $guard) {
            if ($user = $request->user($guard)) {
                return $user;
            }
        }
    }

    /**
     * Retrieve options for a certain channel.
     *
     * @param  string  $channel
     * @return array
     */
    protected function retrieveChannelOptions($channel)
    {
        foreach ($this->channelOptions as $pattern => $options) {
            if (! $this->channelNameMatchesPattern($channel, $pattern)) {
                continue;
            }

            return $options;
        }

        return [];
    }

    /**
     * Check if the channel name from the request matches a pattern from registered channels.
     *
     * @param  string  $channel
     * @param  string  $pattern
     * @return bool
     */
    protected function channelNameMatchesPattern($channel, $pattern)
    {
        return preg_match('/^'.preg_replace('/\{(.*?)\}/', '([^\.]+)', $pattern).'$/', $channel);
    }

    /**
     * Get all of the registered channels.
     *
     * @return \Illuminate\Support\Collection
     */
    public function getChannels()
    {
        return collect($this->channels);
    }
}
Name	Size	Permission
AblyBroadcaster.php	6685 bytes	0755
Broadcaster.php	11064 bytes	0755
LogBroadcaster.php	1084 bytes	0755
NullBroadcaster.php	462 bytes	0755
PusherBroadcaster.php	5668 bytes	0755
RedisBroadcaster.php	4423 bytes	0755
UsePusherChannelConventions.php	821 bytes	0755
Command Bosku:

File Content: Broadcaster.php

File Content: `Broadcaster.php`
