23 lines
573 B
Go
23 lines
573 B
Go
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package static
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import (
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"net/http"
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"os"
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)
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// Dir serves the files in the given directory or
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// uses the given handler to handles missing files
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func Dir(dirPath string, stripPrefix string, notFoundHandler http.Handler) http.Handler {
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root := http.Dir(dirPath)
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fs := http.FileServer(root)
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fn := func(w http.ResponseWriter, r *http.Request) {
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if _, err := os.Stat(dirPath + r.RequestURI); os.IsNotExist(err) {
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notFoundHandler.ServeHTTP(w, r)
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} else {
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fs.ServeHTTP(w, r)
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}
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}
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handler := http.StripPrefix(stripPrefix, http.HandlerFunc(fn))
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return handler
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}
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