wehub-resource-sync
a06f331eb8
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80 lines
2.4 KiB
Go
80 lines
2.4 KiB
Go
package server
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import (
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"net/http"
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"net/http/httptest"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestCORS_Wildcard(t *testing.T) {
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inner := http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
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w.WriteHeader(http.StatusOK)
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})
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h := WithCORS(inner, CORSOptions{})
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req := httptest.NewRequest(http.MethodGet, "/v1/health", nil)
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req.Header.Set("Origin", "http://localhost:3000")
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rec := httptest.NewRecorder()
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h.ServeHTTP(rec, req)
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assert.Equal(t, http.StatusOK, rec.Code)
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assert.Equal(t, "*", rec.Header().Get("Access-Control-Allow-Origin"))
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}
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func TestCORS_SpecificOrigin(t *testing.T) {
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inner := http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
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w.WriteHeader(http.StatusOK)
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})
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h := WithCORS(inner, CORSOptions{AllowOrigins: []string{"http://localhost:3000", "http://example.com"}})
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// Matching origin.
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req := httptest.NewRequest(http.MethodGet, "/v1/health", nil)
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req.Header.Set("Origin", "http://localhost:3000")
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rec := httptest.NewRecorder()
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h.ServeHTTP(rec, req)
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assert.Equal(t, "http://localhost:3000", rec.Header().Get("Access-Control-Allow-Origin"))
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assert.Equal(t, "Origin", rec.Header().Get("Vary"))
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// Non-matching origin.
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req = httptest.NewRequest(http.MethodGet, "/v1/health", nil)
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req.Header.Set("Origin", "http://evil.com")
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rec = httptest.NewRecorder()
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h.ServeHTTP(rec, req)
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assert.Empty(t, rec.Header().Get("Access-Control-Allow-Origin"))
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}
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func TestCORS_Preflight(t *testing.T) {
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inner := http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
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w.WriteHeader(http.StatusOK)
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_, _ = w.Write([]byte("should not reach"))
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})
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h := WithCORS(inner, CORSOptions{})
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req := httptest.NewRequest(http.MethodOptions, "/v1/tools/echo", nil)
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req.Header.Set("Origin", "http://localhost:3000")
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rec := httptest.NewRecorder()
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h.ServeHTTP(rec, req)
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assert.Equal(t, http.StatusNoContent, rec.Code)
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assert.Equal(t, "*", rec.Header().Get("Access-Control-Allow-Origin"))
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assert.Empty(t, rec.Body.String(), "preflight should not forward to inner handler")
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}
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func TestCORS_NoOriginHeader(t *testing.T) {
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inner := http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
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w.WriteHeader(http.StatusOK)
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})
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h := WithCORS(inner, CORSOptions{})
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req := httptest.NewRequest(http.MethodGet, "/v1/health", nil)
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rec := httptest.NewRecorder()
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h.ServeHTTP(rec, req)
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assert.Equal(t, http.StatusOK, rec.Code)
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assert.Empty(t, rec.Header().Get("Access-Control-Allow-Origin"), "no CORS headers without Origin")
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}
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