New DecodeToken request.

src/requests/admin.cr

@@ -83,4 +83,26 @@ class AuthD::Request
 		end
 	end
 	AuthD.requests << BootstrapFirstAdmin
+
+	IPC::JSON.message DecodeToken, 14 do
+		property token   : String
+
+		def initialize(@token)
+		end
+
+		def handle(authd : AuthD::Service, fd : Int32)
+			logged_user = authd.get_logged_user_full? fd
+			return Response::ErrorMustBeAuthenticated.new if logged_user.nil?
+			logged_user.assert_permission("authd", "*", User::PermissionLevel::Read)
+
+			token_payload = AuthD::Token.from_s authd.configuration.secret_key, token
+			user = authd.users_per_uid.get? token_payload.uid.to_s
+			if user
+				Response::User.new user.to_public
+			else
+				Response::ErrorUserNotFound.new
+			end
+		end
+	end
+	AuthD.requests << DecodeToken
 end