27 lines
573 B
Go
27 lines
573 B
Go
package middlewares
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import (
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"net/http"
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"strings"
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)
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// StripPrefix is a middleware used to strip prefix from an URL request
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type StripPrefix struct {
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Handler http.Handler
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Prefix string
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}
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func (s *StripPrefix) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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if p := strings.TrimPrefix(r.URL.Path, s.Prefix); len(p) < len(r.URL.Path) {
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r.URL.Path = p
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r.RequestURI = r.URL.RequestURI()
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s.Handler.ServeHTTP(w, r)
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} else {
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http.NotFound(w, r)
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}
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}
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// SetHandler sets handler
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func (s *StripPrefix) SetHandler(Handler http.Handler) {
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s.Handler = Handler
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}
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