Validates JWK before LittleJWT is created in Container

src/Factories/LittleJWTBuilder.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace LittleApps\LittleJWT\Factories;
+
+use Illuminate\Contracts\Foundation\Application;
+use LittleApps\LittleJWT\JWK\JsonWebKey;
+use LittleApps\LittleJWT\LittleJWT;
+use LittleApps\LittleJWT\JWK\JWKValidator;
+
+class LittleJWTBuilder
+{
+    /**
+     * Creates LittleJWT instance.
+     *
+     * @param  Application  $app  Application container
+     * @param  JsonWebKey  $jwk  JWK to sign and verify JWTs with.
+     * @param boolean $validateJwk If true, validates JWK (default: true)
+     * @return static
+     */
+    public static function create(Application $app, JsonWebKey $jwk, bool $validateJwk = true): LittleJWT {
+        if ($validateJwk)
+            JWKValidator::validate($jwk);
+
+        return new LittleJWT($app, $jwk);
+    }
+}

src/ServiceProvider.php

@@ -11,6 +11,7 @@
 use Illuminate\Support\Facades\Response as ResponseFactory;
 use LittleApps\LittleJWT\Blacklist\BlacklistManager;
 use LittleApps\LittleJWT\Factories\KeyBuilder;
+use LittleApps\LittleJWT\Factories\LittleJWTBuilder;
 use LittleApps\LittleJWT\Factories\OpenSSLBuilder;
 use LittleApps\LittleJWT\Factories\ValidatableBuilder;
 use LittleApps\LittleJWT\Guards\Adapters;
@@ -85,15 +86,13 @@ public function packageBooted()
     protected function registerCore()
     {
         $this->app->singleton(LittleJWT::class, function (Container $app) {
-            return new LittleJWT($app, $app->make(JsonWebKey::class));
+            return LittleJWTBuilder::create($app, $app->make(JsonWebKey::class));
         });
 
         $this->app->bind(JsonWebKey::class, function (Container $app) {
             $config = $app->config->get('littlejwt.key', []);
             $jwk = KeyBuilder::buildFromConfig($config);
 
-            JWKValidator::validate($jwk);
-
             return $jwk;
         });