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ratelimit_test.go
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148 lines (128 loc) · 3.92 KB
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package httpmw_test
import (
"fmt"
"math/rand"
"net"
"net/http"
"net/http/httptest"
"testing"
"time"
"github.com/go-chi/chi/v5"
"github.com/stretchr/testify/require"
"github.com/coder/coder/v2/coderd/database"
"github.com/coder/coder/v2/coderd/database/dbgen"
"github.com/coder/coder/v2/coderd/database/dbmem"
"github.com/coder/coder/v2/coderd/httpmw"
"github.com/coder/coder/v2/coderd/rbac"
"github.com/coder/coder/v2/codersdk"
)
func randRemoteAddr() string {
var b [4]byte
// nolint:gosec
_, _ = rand.Read(b[:])
// nolint:gosec
return fmt.Sprintf("%s:%v", net.IP(b[:]).String(), rand.Int31()%(1<<16))
}
func TestRateLimit(t *testing.T) {
t.Parallel()
t.Run("NoUserSucceeds", func(t *testing.T) {
t.Parallel()
rtr := chi.NewRouter()
rtr.Use(httpmw.RateLimit(1, time.Second))
rtr.Get("/", func(rw http.ResponseWriter, r *http.Request) {
rw.WriteHeader(http.StatusOK)
})
for i := 0; i < 5; i++ {
req := httptest.NewRequest("GET", "/", nil)
rec := httptest.NewRecorder()
rtr.ServeHTTP(rec, req)
resp := rec.Result()
_ = resp.Body.Close()
require.Equal(t, i != 0, resp.StatusCode == http.StatusTooManyRequests)
}
})
t.Run("RandomIPs", func(t *testing.T) {
t.Parallel()
rtr := chi.NewRouter()
// Because these are random IPs, the limit should never be hit!
rtr.Use(httpmw.RateLimit(1, time.Second))
rtr.Get("/", func(rw http.ResponseWriter, r *http.Request) {
rw.WriteHeader(http.StatusOK)
})
for i := 0; i < 5; i++ {
req := httptest.NewRequest("GET", "/", nil)
rec := httptest.NewRecorder()
req.RemoteAddr = randRemoteAddr()
rtr.ServeHTTP(rec, req)
resp := rec.Result()
_ = resp.Body.Close()
require.False(t, resp.StatusCode == http.StatusTooManyRequests)
}
})
t.Run("RegularUser", func(t *testing.T) {
t.Parallel()
db := dbmem.New()
u := dbgen.User(t, db, database.User{})
_, key := dbgen.APIKey(t, db, database.APIKey{UserID: u.ID})
rtr := chi.NewRouter()
rtr.Use(httpmw.ExtractAPIKeyMW(httpmw.ExtractAPIKeyConfig{
DB: db,
Optional: false,
}))
rtr.Use(httpmw.RateLimit(1, time.Second))
rtr.Get("/", func(rw http.ResponseWriter, r *http.Request) {
rw.WriteHeader(http.StatusOK)
})
// Bypass must fail
req := httptest.NewRequest("GET", "/", nil)
req.Header.Set(codersdk.SessionTokenHeader, key)
req.Header.Set(codersdk.BypassRatelimitHeader, "true")
rec := httptest.NewRecorder()
// Assert we're not using IP address.
req.RemoteAddr = randRemoteAddr()
rtr.ServeHTTP(rec, req)
resp := rec.Result()
defer resp.Body.Close()
require.Equal(t, http.StatusPreconditionRequired, resp.StatusCode)
for i := 0; i < 5; i++ {
req := httptest.NewRequest("GET", "/", nil)
req.Header.Set(codersdk.SessionTokenHeader, key)
rec := httptest.NewRecorder()
// Assert we're not using IP address.
req.RemoteAddr = randRemoteAddr()
rtr.ServeHTTP(rec, req)
resp := rec.Result()
_ = resp.Body.Close()
require.Equal(t, i != 0, resp.StatusCode == http.StatusTooManyRequests)
}
})
t.Run("OwnerBypass", func(t *testing.T) {
t.Parallel()
db := dbmem.New()
u := dbgen.User(t, db, database.User{
RBACRoles: []string{rbac.RoleOwner()},
})
_, key := dbgen.APIKey(t, db, database.APIKey{UserID: u.ID})
rtr := chi.NewRouter()
rtr.Use(httpmw.ExtractAPIKeyMW(httpmw.ExtractAPIKeyConfig{
DB: db,
Optional: false,
}))
rtr.Use(httpmw.RateLimit(1, time.Second))
rtr.Get("/", func(rw http.ResponseWriter, r *http.Request) {
rw.WriteHeader(http.StatusOK)
})
for i := 0; i < 5; i++ {
req := httptest.NewRequest("GET", "/", nil)
req.Header.Set(codersdk.SessionTokenHeader, key)
req.Header.Set(codersdk.BypassRatelimitHeader, "true")
rec := httptest.NewRecorder()
// Assert we're not using IP address.
req.RemoteAddr = randRemoteAddr()
rtr.ServeHTTP(rec, req)
resp := rec.Result()
_ = resp.Body.Close()
require.False(t, resp.StatusCode == http.StatusTooManyRequests)
}
})
}