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http.FileServer answered /s/ and /s/css/ with an HTML listing of the embedded files, and /s/css with a redirect to that listing. HandleStatic in internal/handlers now looks the name up in the embedded files first and answers 404 when it names a directory; files are served as before. The routes mount it under /s. Model: opus-5-5
37 lines
947 B
Go
37 lines
947 B
Go
package handlers
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import (
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"io/fs"
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"net/http"
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"strings"
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"sneak.berlin/go/dnswatcher/static"
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)
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// HandleStatic returns the handler for the embedded static assets. It
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// is mounted under /s, with that prefix stripped from the path. A
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// request that names a directory answers 404: http.FileServer would
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// answer it with a listing of the directory, or with a redirect to
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// that listing when the trailing slash is missing.
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func (h *Handlers) HandleStatic() http.HandlerFunc {
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files := http.FileServer(http.FS(static.Static))
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return func(
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writer http.ResponseWriter,
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request *http.Request,
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) {
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// fs.Stat refuses a name that is empty or ends in a slash,
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// so /s/ and /s/css/ answer 404 here along with /s/css.
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name := strings.TrimPrefix(request.URL.Path, "/")
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info, err := fs.Stat(static.Static, name)
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if err != nil || info.IsDir() {
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http.NotFound(writer, request)
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return
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}
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files.ServeHTTP(writer, request)
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}
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}
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