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middleware_test.go
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middleware_test.go
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package accessLimit
import (
"net/http"
"net/http/httptest"
"testing"
"github.com/gin-gonic/gin"
"github.com/stretchr/testify/assert"
)
func setupRouter(CIDRs string) *gin.Engine {
// no debug mode
gin.SetMode(gin.ReleaseMode)
// create a default
r := gin.Default()
// our middle-ware
r.Use(CIDR(CIDRs))
// routes
r.GET("/", testGET)
return r
}
func TestAllowAccessSource(t *testing.T) {
r := setupRouter("127.0.0.1/32")
// prepare
ExpectedResponseStatus := 200
// run
w := httptest.NewRecorder()
req, _ := http.NewRequest("GET", "/", nil)
req.RemoteAddr = "127.0.0.1:80"
r.ServeHTTP(w, req)
// check
assert.Equal(t, ExpectedResponseStatus, w.Code)
}
func TestNotAllowAccessSource(t *testing.T) {
r := setupRouter("172.18.0.0/16")
// prepare
ExpectedResponseStatus := 403
// run
w := httptest.NewRecorder()
req, _ := http.NewRequest("GET", "/", nil)
req.RemoteAddr = "127.0.0.1:80"
r.ServeHTTP(w, req)
// check
assert.Equal(t, ExpectedResponseStatus, w.Code)
}
func TestAllowAccessFromManySource(t *testing.T) {
r := setupRouter("172.18.0.0/16, 127.0.0.1/32, ::1/128")
// prepare
ExpectedResponseStatus := 200
// run
w := httptest.NewRecorder()
req, _ := http.NewRequest("GET", "/", nil)
req.RemoteAddr = "127.0.0.1:80"
r.ServeHTTP(w, req)
// check
assert.Equal(t, ExpectedResponseStatus, w.Code)
}
func TestNotAllowAccessFromManySource(t *testing.T) {
r := setupRouter("172.18.0.0/16, 127.0.0.1/32, ::1/128")
// prepare
ExpectedResponseStatus := 403
// run
w := httptest.NewRecorder()
req, _ := http.NewRequest("GET", "/", nil)
req.RemoteAddr = "192.168.1.12:80"
r.ServeHTTP(w, req)
// check
assert.Equal(t, ExpectedResponseStatus, w.Code)
}
func TestTrustedHeader(t *testing.T) {
// Allow Trust Header
TrustedHeaderField = "X-Real-Ip"
r := setupRouter("172.18.0.0/16, 127.0.0.1/32, ::1/128")
// prepare
ExpectedResponseStatus := 200
// run
w := httptest.NewRecorder()
req, _ := http.NewRequest("GET", "/", nil)
req.RemoteAddr = "192.168.1.12:80"
req.Header.Add("X-Real-Ip", "127.0.0.1")
r.ServeHTTP(w, req)
// check
assert.Equal(t, ExpectedResponseStatus, w.Code)
}
func TestNotInTrustedHeader(t *testing.T) {
// Allow Trust Header
TrustedHeaderField = "X-Real-Ip"
r := setupRouter("172.18.0.0/16, 127.0.0.1/32, ::1/128")
// prepare
ExpectedResponseStatus := 403
// run
w := httptest.NewRecorder()
req, _ := http.NewRequest("GET", "/", nil)
req.RemoteAddr = "192.168.1.12:80"
req.Header.Add("X-Forwarded-For", "127.0.0.1")
r.ServeHTTP(w, req)
// check
assert.Equal(t, ExpectedResponseStatus, w.Code)
}
func testGET(c *gin.Context) {
c.String(200, "pong")
}