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container = $container;
        $this->requiredScope = $requiredScope;
    }

    /**
     * Makes the api key validation of your application
     *
     * Just an example of implementation. Override this method to fit your needs
     *
     * @param ServerRequestInterface $request     HTTP request
     * @param TokenSearch            $tokenSearch Middleware instance which contains api key in token
     *
     * @return bool Must return either true or false
     * @throws UnauthorizedExceptionInterface when cannot parse token
     */
    public function __invoke(ServerRequestInterface &$request, TokenSearch $tokenSearch)
    {
       /**
        * Try find authorization token via header, parameters, cookie or attribute
        * If token not found, return response with status 401 (unauthorized)
        */
        $token = $tokenSearch->getToken($request);

        /**
         * Verify if token is valid on database
         * If token isn't valid, expired or has insufficient scope must throw an UnauthorizedExceptionInterface
         */
        $user = $this->getUserByToken($token);

        /**
         * Set authenticated user at attributes
         */
        $request = $request->withAttribute('authenticated_user', $user);

        return true;
    }
}
{{/apiInfo}}