func ValidateToken()

in pkg/mock/imdsv2/tokenvalidator.go [29:56]

27 lines of code
4 McCabe index (conditional complexity)


func ValidateToken(pathHandler server.HandlerType) server.HandlerType {
	return func(res http.ResponseWriter, req *http.Request) {
		log.Printf("ValidateToken Received request: %v", req)
		providedToken := req.Header.Get(tokenRequestHeader)
		if providedToken == "" {
			log.Println("Token required; No token provided.")
			server.ReturnUnauthorizedResponse(res)
			return
		}

		if actualToken, ok := generatedTokens[providedToken]; ok {
			accessTime := time.Now()
			duration := accessTime.Sub(actualToken.CreatedAt)
			if int(duration.Seconds()) >= actualToken.TTL {
				log.Println("Token has expired")
				delete(generatedTokens, providedToken)
				server.ReturnUnauthorizedResponse(res)
				return
			}
			log.Println("Token validated!")
			pathHandler(res, req)
		} else {
			log.Printf("Invalid token provided: %v", providedToken)
			server.ReturnUnauthorizedResponse(res)
			return
		}
	}
}