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- // Copyright 2018 The Gitea Authors. All rights reserved.
- // Use of this source code is governed by a MIT-style
- // license that can be found in the LICENSE file.
-
- package routers
-
- import (
- "crypto/subtle"
- "net/http"
-
- "code.gitea.io/gitea/modules/setting"
-
- "github.com/prometheus/client_golang/prometheus/promhttp"
- )
-
- // Metrics validate auth token and render prometheus metrics
- func Metrics(resp http.ResponseWriter, req *http.Request) {
- if setting.Metrics.Token == "" {
- promhttp.Handler().ServeHTTP(resp, req)
- return
- }
- header := req.Header.Get("Authorization")
- if header == "" {
- http.Error(resp, "", 401)
- return
- }
- got := []byte(header)
- want := []byte("Bearer " + setting.Metrics.Token)
- if subtle.ConstantTimeCompare(got, want) != 1 {
- http.Error(resp, "", 401)
- return
- }
- promhttp.Handler().ServeHTTP(resp, req)
- }
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