24 lines
600 B
Go
24 lines
600 B
Go
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package httpmw
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import (
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"net/http"
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"runtime/debug"
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)
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// Recover returns a middleware that catches panics, logs them, and returns 500.
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func Recover() func(http.Handler) http.Handler {
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return func(next 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 rec := recover(); rec != nil {
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stack := debug.Stack()
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http.Error(w, http.StatusText(http.StatusInternalServerError),
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http.StatusInternalServerError)
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_ = stack // available for future logger injection
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}
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}()
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next.ServeHTTP(w, r)
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})
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}
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}
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