mirror of
https://github.com/woodpecker-ci/woodpecker.git
synced 2024-05-05 15:58:43 +00:00
59 lines
1.5 KiB
Go
59 lines
1.5 KiB
Go
// Copyright 2018 Drone.IO Inc.
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//
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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 metrics
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import (
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"errors"
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"fmt"
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"github.com/gin-gonic/gin"
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"github.com/prometheus/client_golang/prometheus/promhttp"
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"github.com/woodpecker-ci/woodpecker/server"
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)
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// errInvalidToken is returned when the api request token is invalid.
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var errInvalidToken = errors.New("Invalid or missing token")
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// PromHandler will pass the call from /api/metrics/prometheus to prometheus
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func PromHandler() gin.HandlerFunc {
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handler := promhttp.Handler()
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return func(c *gin.Context) {
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token := server.Config.Prometheus.AuthToken
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if token == "" {
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handler.ServeHTTP(c.Writer, c.Request)
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return
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}
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header := c.Request.Header.Get("Authorization")
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if header == "" {
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c.String(401, errInvalidToken.Error())
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return
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}
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bearer := fmt.Sprintf("Bearer %s", token)
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if header != bearer {
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c.String(401, errInvalidToken.Error())
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return
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}
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handler.ServeHTTP(c.Writer, c.Request)
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}
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}
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