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package middleware
import (
"net/http"
"net/http/httptest"
"testing"
"github.com/go-chi/chi/v5"
)
func TestXRealIP(t *testing.T) {
req, _ := http.NewRequest("GET", "/", nil)
req.Header.Add("X-Real-IP", "100.100.100.100")
w := httptest.NewRecorder()
r := chi.NewRouter()
r.Use(RealIP)
realIP := ""
r.Get("/", func(w http.ResponseWriter, r *http.Request) {
realIP = r.RemoteAddr
w.Write([]byte("Hello World"))
})
r.ServeHTTP(w, req)
if w.Code != 200 {
t.Fatal("Response Code should be 200")
}
if realIP != "100.100.100.100" {
t.Fatal("Test get real IP error.")
}
}
func TestXForwardForIP(t *testing.T) {
xForwardedForIPs := []string{
"100.100.100.100",
"100.100.100.100, 200.200.200.200",
"100.100.100.100,200.200.200.200",
}
r := chi.NewRouter()
r.Use(RealIP)
for _, v := range xForwardedForIPs {
req, _ := http.NewRequest("GET", "/", nil)
req.Header.Add("X-Forwarded-For", v)
w := httptest.NewRecorder()
realIP := ""
r.Get("/", func(w http.ResponseWriter, r *http.Request) {
realIP = r.RemoteAddr
w.Write([]byte("Hello World"))
})
r.ServeHTTP(w, req)
if w.Code != 200 {
t.Fatal("Response Code should be 200")
}
if realIP != "100.100.100.100" {
t.Fatal("Test get real IP error.")
}
}
}
func TestXForwardForXRealIPPrecedence(t *testing.T) {
req, _ := http.NewRequest("GET", "/", nil)
req.Header.Add("X-Forwarded-For", "0.0.0.0")
req.Header.Add("X-Real-IP", "100.100.100.100")
w := httptest.NewRecorder()
r := chi.NewRouter()
r.Use(RealIP)
realIP := ""
r.Get("/", func(w http.ResponseWriter, r *http.Request) {
realIP = r.RemoteAddr
w.Write([]byte("Hello World"))
})
r.ServeHTTP(w, req)
if w.Code != 200 {
t.Fatal("Response Code should be 200")
}
if realIP != "100.100.100.100" {
t.Fatal("Test get real IP precedence error.")
}
}
func TestInvalidIP(t *testing.T) {
req, _ := http.NewRequest("GET", "/", nil)
req.Header.Add("X-Real-IP", "100.100.100.1000")
w := httptest.NewRecorder()
r := chi.NewRouter()
r.Use(RealIP)
realIP := ""
r.Get("/", func(w http.ResponseWriter, r *http.Request) {
realIP = r.RemoteAddr
w.Write([]byte("Hello World"))
})
r.ServeHTTP(w, req)
if w.Code != 200 {
t.Fatal("Response Code should be 200")
}
if realIP != "" {
t.Fatal("Invalid IP used.")
}
}
|
