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36 lines
1 KiB
Go
36 lines
1 KiB
Go
// Copyright 2015 Light Code Labs, LLC
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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 requestid
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import (
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"context"
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"net/http"
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"github.com/google/uuid"
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"github.com/mholt/caddy/caddyhttp/httpserver"
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)
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// Handler is a middleware handler
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type Handler struct {
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Next httpserver.Handler
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}
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func (h Handler) ServeHTTP(w http.ResponseWriter, r *http.Request) (int, error) {
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reqid := uuid.New().String()
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c := context.WithValue(r.Context(), httpserver.RequestIDCtxKey, reqid)
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r = r.WithContext(c)
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return h.Next.ServeHTTP(w, r)
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}
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