added get user method to the Authorization

Author: ArnabChatterjee20k

src/Database/Validator/Authorization.php

@@ -2,6 +2,7 @@
 
 namespace Utopia\Database\Validator;
 
+use Utopia\Database\Helpers\Role;
 use Utopia\Validator;
 
 class Authorization extends Validator
@@ -23,6 +24,11 @@ class Authorization extends Validator
      */
     protected string $message = 'Authorization Error';
 
+    /**
+     * @var string|null
+     */
+    protected static ?string $user = null;
+
     /**
      * @param string $action
      */
@@ -82,6 +88,10 @@ public function isValid($permissions): bool
      */
     public static function setRole(string $role): void
     {
+        $userIdetifier = Role::parse($role)->getIdentifier();
+        if ($userIdetifier) {
+            self::$user = $userIdetifier;
+        }
         self::$roles[$role] = true;
     }
 
@@ -92,9 +102,23 @@ public static function setRole(string $role): void
      */
     public static function unsetRole(string $role): void
     {
+        $userIdetifier = Role::parse($role)->getIdentifier();
+        if ($userIdetifier && self::$user == $userIdetifier) {
+            self::$user = null;
+        }
         unset(self::$roles[$role]);
     }
 
+    /**
+     * Get current user
+     *
+     * @return string|null
+     */
+    public static function getUser(): string|null
+    {
+        return self::$user;
+    }
+
     /**
      * @return array<string>
      */

tests/unit/Validator/AuthorizationTest.php

@@ -119,4 +119,24 @@ public function testNestedSkips(): void
 
         $this->assertEquals(true, Authorization::$status);
     }
+
+    public function testSetUserFromRoles(): void
+    {
+        $currentUserRole = Role::user("123");
+        Authorization::setRole(Role::user("123")->toString());
+        $this->assertEquals($currentUserRole->getIdentifier(), Authorization::getUser());
+
+        $roles = [];
+        $roles[] = Role::user("123");
+        $roles[] = Role::user("123", 'verififed');
+        $roles[] = Role::user("126", 'unverififed');
+        $roles[] = Role::any();
+        $roles[] = Role::users();
+
+        foreach ($roles as $role) {
+            Authorization::setRole($role->toString());
+        }
+        $expectedRole = Role::user("126", 'unverififed');
+        $this->assertEquals($expectedRole->getIdentifier(), Authorization::getUser());
+    }
 }