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47 lines
871 B
47 lines
871 B
package main
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import (
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"net/http"
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"os"
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"path"
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"strings"
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"github.com/zenazn/goji/web"
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)
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func fileServeHandler(c web.C, w http.ResponseWriter, r *http.Request) {
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fileName := c.URLParams["name"]
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filePath := path.Join(Config.filesDir, fileName)
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if !fileExistsAndNotExpired(fileName) {
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notFoundHandler(c, w, r)
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return
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}
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if !Config.allowHotlink {
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referer := r.Header.Get("Referer")
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if referer != "" && !strings.HasPrefix(referer, Config.siteURL) {
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w.WriteHeader(403)
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return
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}
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}
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http.ServeFile(w, r, filePath)
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}
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func fileExistsAndNotExpired(filename string) bool {
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filePath := path.Join(Config.filesDir, filename)
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_, err := os.Stat(filePath)
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if err != nil {
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return false
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}
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if isFileExpired(filename) {
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os.Remove(path.Join(Config.filesDir, filename))
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os.Remove(path.Join(Config.metaDir, filename))
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return false
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}
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return true
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}
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