implemented ip from backend

main.go

@@ -1,15 +1,34 @@
 package main
 
 import (
+	"encoding/json"
+	"errors"
 	"fmt"
+	"io"
+	"net"
 	"net/http"
 	"os"
 	"text/template"
+
+	"github.com/joho/godotenv"
 )
 
+type ipResponse struct {
+	IP            string `json:"ip"`
+	Asn           string `json:"asn"`
+	AsName        string `json:"as_name"`
+	AsDomain      string `json:"as_domain"`
+	CountryCode   string `json:"country_code"`
+	Country       string `json:"country"`
+	ContinentCode string `json:"continent_code"`
+	Continent     string `json:"continent"`
+}
+
 func main() {
 	mux := http.NewServeMux()
 
+	godotenv.Load()
+
 	// routes
 	mux.HandleFunc("/", handleRoot)
 	mux.HandleFunc("/robots.txt", serveRobots)
@@ -28,7 +47,18 @@ func handleRoot(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	templ.Execute(w, nil)
+	host, _, err := net.SplitHostPort(r.RemoteAddr)
+	if err != nil {
+		host = r.RemoteAddr
+	}
+
+	dox, err := callApi(host)
+	if err != nil {
+		http.Error(w, "api call failed", http.StatusInternalServerError)
+		return
+	}
+
+	templ.Execute(w, dox)
 }
 
 func serveRobots(w http.ResponseWriter, r *http.Request) {
@@ -40,3 +70,28 @@ func serveRobots(w http.ResponseWriter, r *http.Request) {
 
 	fmt.Fprint(w, string(robots))
 }
+
+func callApi(ip string) (ipResponse, error) {
+	api := os.Getenv("IPAPI")
+	fmt.Printf("api: %v\n", api)
+
+	var values ipResponse
+
+	if api == " " {
+		return values, errors.New("No api key")
+	}
+
+	url := fmt.Sprintf("https://api.ipinfo.io/lite/%s?token=%s", ip, api)
+
+	request, err := http.Get(url)
+	if err != nil {
+		return values, errors.New("request failed")
+	}
+	defer request.Body.Close()
+
+	body, _ := io.ReadAll(request.Body)
+
+	err = json.Unmarshal(body, &values)
+
+	return values, nil
+}