Addded: Get user from token for introspect

README.md

@@ -89,14 +89,27 @@ Under `alias` property:
 
 Now you can use the middleware on your protected route as such:
 ```php
-Route::middleware(['introspect'])->get('/introspect', 'Controller@index')
-->name('introspect');
+use UisIts\Oidc\Http\Middleware\Introspect;
+
+Route::middleware(['introspect'])->get('/introspect', function (Request $request) {
+    dump($request->bearerToken());
+    dd(Introspect::getUserFromToken($request->bearerToken()));
+})->name('introspect');
 ```
-Note: Getting the user's netid from token
-
-You can get the user's netid associated with token by:
+Note: Below is the response received when you get a user from token
 ```php
-Session::get('introspect.username');
+Introspect::getUserFromToken($request->bearerToken());
+
+array:8 [▼ // routes/api.php:24
+  "sub" => "xyz@abc.org"
+  "uisedu_is_member_of" => array:42 [▶]
+  "uisedu_uin" => "123456789"
+  "preferred_username" => "xyz"
+  "given_name" => "John"
+  "preferred_display_name" => "Doe, John"
+  "family_name" => "Doe"
+  "email" => "xyz@abc.org"
+];
 ```
 
 #### Code Style

src/Http/Middleware/Introspect.php

@@ -5,7 +5,6 @@
 use Closure;
 use Illuminate\Http\JsonResponse;
 use Illuminate\Http\Request;
-use Illuminate\Support\Facades\Cache;
 use Laravel\Socialite\Facades\Socialite;
 use Symfony\Component\HttpFoundation\Response;
 
@@ -27,10 +26,6 @@ public function handle(Request $request, Closure $next, ...$scopes): Response
             return new JsonResponse(['message' => 'Token not set!'], 401);
         }
 
-        if ($this->checkCache($request->bearerToken())) {
-            return $next($request);
-        }
-
         $introspectResponse = Socialite::driver('shib-oidc')
             ->introspect($request->bearerToken());
 
@@ -42,44 +37,9 @@ public function handle(Request $request, Closure $next, ...$scopes): Response
             $this->checkScopes($introspectResponse['scope'], $scopes);
         }
 
-        Cache::put('introspect.username', $introspectResponse['username']);
-        Cache::put('introspect', encrypt($request->bearerToken()));
-
         return $next($request);
     }
 
-    /**
-     * Check if the token is already authorized
-     */
-    protected function checkCache($token): bool
-    {
-        // If token not in cache return
-        if (! Cache::has('introspect')) {
-            return false;
-        }
-
-        if ($this->isCachedTokenValid($token)) {
-            return true;
-        }
-
-        return false;
-    }
-
-    /**
-     * Check if cached token is valid
-     */
-    protected function isCachedTokenValid(string $token): bool
-    {
-        $cachedToken = decrypt(Cache::get('introspect'));
-
-        // If token valid return
-        if ($cachedToken === $token) {
-            return true;
-        }
-
-        return false;
-    }
-
     /**
      * Check the scopes of the token
      *
@@ -95,4 +55,9 @@ public function checkScopes(string $newScopes, string|array $oldScopes): void
             throw new \InvalidArgumentException("Missing scopes {$missingScopes->implode(',')}");
         }
     }
+
+    public static function getUserFromToken(string $bearerToken): array
+    {
+        return Socialite::driver('shib-oidc')->getUserByToken($bearerToken);
+    }
 }

src/Oidc/ShibbolethOidcProvider.php

@@ -132,7 +132,7 @@ protected function getIntrospectUrl(): string
     /**
      * {@inheritdoc}
      */
-    protected function getUserByToken($token)
+    public function getUserByToken($token)
     {
         $response = $this->getHttpClient()->get($this->getUserUrl(), [
             RequestOptions::HEADERS => ['Authorization' => 'Bearer '.$token],