mirror of
https://github.com/prometheus/prometheus.git
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66 lines
2.1 KiB
Go
66 lines
2.1 KiB
Go
// Copyright 2016 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package httputil
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import (
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"net/http"
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"testing"
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"github.com/grafana/regexp"
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"github.com/stretchr/testify/require"
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)
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func getCORSHandlerFunc() http.Handler {
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hf := func(w http.ResponseWriter, r *http.Request) {
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reg := regexp.MustCompile(`^https://foo\.com$`)
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SetCORS(w, reg, r)
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w.WriteHeader(http.StatusOK)
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}
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return http.HandlerFunc(hf)
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}
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func TestCORSHandler(t *testing.T) {
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tearDown := setup()
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defer tearDown()
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client := &http.Client{}
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ch := getCORSHandlerFunc()
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mux.Handle("/any_path", ch)
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dummyOrigin := "https://foo.com"
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// OPTIONS with legit origin
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req, err := http.NewRequest(http.MethodOptions, server.URL+"/any_path", nil)
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require.NoError(t, err, "could not create request")
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req.Header.Set("Origin", dummyOrigin)
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resp, err := client.Do(req)
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require.NoError(t, err, "client get failed with unexpected error")
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AccessControlAllowOrigin := resp.Header.Get("Access-Control-Allow-Origin")
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require.Equal(t, dummyOrigin, AccessControlAllowOrigin, "expected Access-Control-Allow-Origin header")
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// OPTIONS with bad origin
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req, err = http.NewRequest(http.MethodOptions, server.URL+"/any_path", nil)
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require.NoError(t, err, "could not create request")
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req.Header.Set("Origin", "https://not-foo.com")
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resp, err = client.Do(req)
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require.NoError(t, err, "client get failed with unexpected error")
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AccessControlAllowOrigin = resp.Header.Get("Access-Control-Allow-Origin")
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require.Empty(t, AccessControlAllowOrigin, "Access-Control-Allow-Origin header should not exist but it was set")
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}
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