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Laravel 10.x - Injecting the Twilio webhook validator only if we have the Auth Token configured.
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| # If this has a value, it enabled the validation check | |
| TWILIO_VALIDATE_WEBHOOKS_TOKEN= |
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| <?php | |
| namespace App\Providers; | |
| use Illuminate\Contracts\Foundation\Application; | |
| use Illuminate\Support\ServiceProvider; | |
| use Twilio\Security\RequestValidator; | |
| class AppServiceProvider extends ServiceProvider | |
| { | |
| public function register(): void | |
| { | |
| if (($validatorSecret = config('services.twilio.validate_webhooks_token'))) { | |
| $this->app->singleton(RequestValidator::class, function (Application $app) use ($validatorSecret) { | |
| return new RequestValidator($validatorSecret); | |
| }); | |
| } | |
| } | |
| } |
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| <?php | |
| return [ | |
| 'twilio' => [ | |
| 'validate_webhooks_token' => env('TWILIO_VALIDATE_WEBHOOKS_TOKEN'), | |
| ], | |
| ]; |
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| <?php | |
| namespace App\Http\Phone\Incoming; | |
| use Illuminate\Http\Response; | |
| use Twilio\TwiML\VoiceResponse; | |
| class Support | |
| { | |
| function __invoke(TwilioWebhookRequest $request): Response | |
| { | |
| $response = new VoiceResponse(); | |
| $response->say('Thank you for calling us. Please hold while we connect you with the next available representative.'); | |
| $response->dial() | |
| ->sip('my-sip-queue@my-sip-domain'); | |
| return response($response)->header('Content-Type', 'text/xml'); | |
| } | |
| } |
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| <?php | |
| namespace App\Http\Phone\Incoming; | |
| use Illuminate\Foundation\Http\FormRequest; | |
| use Twilio\Security\RequestValidator; | |
| class TwilioWebhookRequest extends FormRequest | |
| { | |
| public function __construct( | |
| // If the validator is configured, it will be injected | |
| private ?RequestValidator $twilioValidator = null, | |
| ) | |
| { } | |
| public function authorize(): bool | |
| { | |
| // If we do not have the validator configured, validation is skipped | |
| if (!$this->twilioValidator) { | |
| return true; | |
| } | |
| $expectedSignature = $this->header('X-Twilio-Signature'); | |
| if (!$expectedSignature) { | |
| return false; | |
| } | |
| return $this->twilioValidator->validate( | |
| $expectedSignature, | |
| $this->fullUrl(), | |
| $this->all(), | |
| ); | |
| } | |
| } |
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