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<?php |
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namespace NotificationChannels\Discord\Commands; |
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use Exception; |
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use GuzzleHttp\Client as HttpClient; |
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use Illuminate\Console\Command; |
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use Illuminate\Support\Arr; |
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use WebSocket\Client; |
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class SetupCommand extends Command |
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{ |
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/** |
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* @var string |
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*/ |
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protected $signature = 'discord:setup'; |
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/** |
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* @var string |
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*/ |
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protected $description = "Add the bot to your server(s) and identify it with Discord's gateway."; |
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/** |
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* @var \GuzzleHttp\Client |
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*/ |
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protected $guzzle; |
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/** |
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* @var string |
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*/ |
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protected $token = null; |
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/** |
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* @var string |
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*/ |
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protected $gateway = 'wss://gateway.discord.gg'; |
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/** |
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* @param \GuzzleHttp\Client $guzzle |
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* @param string|null $token |
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*/ |
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public function __construct(HttpClient $guzzle, $token = null) |
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{ |
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parent::__construct(); |
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$this->guzzle = $guzzle; |
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$this->token = $token; |
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} |
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/** |
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* Attempt to connect and identify a bot with the Discord websocket gateway. |
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* |
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* @return int|void |
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*/ |
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public function handle() |
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{ |
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if (! $this->token) { |
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$this->error('You must paste your Discord token (App Bot User token) into your `services.php` config file.'); |
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$this->error('View the README for more info: https://github.com/laravel-notification-channels/discord#installation'); |
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return -1; |
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} |
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if (! $this->confirm('Is the bot already added to your server?')) { |
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$clientId = $this->ask('What is your Discord app client ID?'); |
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$this->warn('Add the bot to your server by visiting this link: https://discord.com/oauth2/authorize?&client_id='.$clientId.'&scope=bot&permissions=0'); |
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if (! $this->confirm('Continue?', true)) { |
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return -1; |
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} |
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} |
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$this->warn("Attempting to identify the bot with Discord's websocket gateway..."); |
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$this->gateway = $this->getGateway(); |
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$this->warn("Connecting to '$this->gateway'..."); |
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$client = $this->getSocket($this->gateway); |
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// Discord requires all bots to connect via a websocket connection and |
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// identify at least once before any API requests over HTTP are allowed. |
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// https://discord.com/developers/docs/topics/gateway#gateway-identify |
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$client->send(json_encode([ |
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'op' => 2, |
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'd' => [ |
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'token' => $this->token, |
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'properties' => [ |
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'$os' => PHP_OS, |
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'$browser' => 'laravel-notification-channels-discord', |
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'$device' => 'laravel-notification-channels-discord', |
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], |
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], |
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])); |
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$response = $client->receive(); |
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$identified = Arr::get(json_decode($response, true), 'op') === 10; |
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if (! $identified) { |
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$this->error("Discord responded with an error while trying to identify the bot: $response"); |
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return -1; |
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} |
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$this->info('Your bot has been identified by Discord and can now send API requests!'); |
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} |
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/** |
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* Get a websocket client for the given gateway. |
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* |
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* @param string $gateway |
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* |
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* @return \WebSocket\Client |
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*/ |
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public function getSocket($gateway) |
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{ |
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return new Client($gateway); |
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} |
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/** |
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* Get the URL of the gateway that the socket should connect to. |
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* |
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* @return string |
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*/ |
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2 |
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public function getGateway() |
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{ |
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$gateway = $this->gateway; |
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try { |
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$response = $this->guzzle->get('https://discord.com/api/gateway'); |
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$gateway = Arr::get(json_decode($response->getBody(), true), 'url', $gateway); |
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} catch (Exception $e) { |
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$this->warn("Could not get a websocket gateway address, defaulting to '{$gateway}'."); |
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} |
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1 |
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return $gateway; |
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} |
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140
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} |
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laravel-notification-channels /
discord
