package main import ( "fmt" "io" "net/http" "net/http/cookiejar" "net/url" ) func main() { // Set the URL and cookie information inputURL := "https://adventofcode.com/2023/day/1/input" cookieName := "session" cookieValue := "53616c7465645f5fd20b7a22d11174d58d0cafe5509daeffcea2ffa9981d375aa701714086583f514df432b152fe7122810a85dc6f7a30ed82348fe4b7acfecd" // Create a cookie jar jar, _ := cookiejar.New(nil) // Add the session cookie to the cookie jar cookie := &http.Cookie{ Name: cookieName, Value: cookieValue, } u, _ := url.Parse(inputURL) jar.SetCookies(u, []*http.Cookie{cookie}) // Create an HTTP client with the cookie jar client := &http.Client{ Jar: jar, } // Make the GET request response, err := client.Get(inputURL) if err != nil { fmt.Println("Error making request:", err) return } defer response.Body.Close() // Check the response status code if response.StatusCode != http.StatusOK { fmt.Println("Unexpected status code:", response.Status) return } // Read the response body dynamically without relying on content length var body []byte buffer := make([]byte, 1024) // Adjust the buffer size as needed for { n, err := response.Body.Read(buffer) if err != nil && err != io.EOF { fmt.Println("Error reading response body:", err) return } if n == 0 { break } body = append(body, buffer[:n]...) } // Print the response body fmt.Println("Response:", string(body)) }