Fix bug in Wrap (#15302)
Whilst doing other work I have noticed that there is an issue with Wrap when passing an http.Handler - the next should be the next handler in line not empty. Signed-off-by: Andrew Thornton <art27@cantab.net>
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1 changed files with 4 additions and 3 deletions
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@ -68,10 +68,11 @@ func Wrap(handlers ...interface{}) http.HandlerFunc {
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}
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case func(http.Handler) http.Handler:
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var next = http.HandlerFunc(func(http.ResponseWriter, *http.Request) {})
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t(next).ServeHTTP(resp, req)
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if r, ok := resp.(context.ResponseWriter); ok && r.Status() > 0 {
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return
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if len(handlers) > i+1 {
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next = Wrap(handlers[i+1:]...)
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}
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t(next).ServeHTTP(resp, req)
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return
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default:
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panic(fmt.Sprintf("Unsupported handler type: %#v", t))
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}
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