зеркало из https://github.com/golang/pkgsite.git
28 строки
708 B
Go
28 строки
708 B
Go
// Copyright 2019 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package middleware
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import (
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"net/http"
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"golang.org/x/pkgsite/internal/log"
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)
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// Panic returns a middleware that executes panicHandler on any panic
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// originating from the delegate handler.
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func Panic(panicHandler http.Handler) Middleware {
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return func(h http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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defer func() {
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if e := recover(); e != nil {
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log.Errorf(r.Context(), "middleware.Panic: %v", e)
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panicHandler.ServeHTTP(w, r)
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}
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}()
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h.ServeHTTP(w, r)
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})
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}
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}
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