55 lines
1.2 KiB
Go
55 lines
1.2 KiB
Go
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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/flosch/pongo2"
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"github.com/rakyll/magicmime"
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"github.com/zenazn/goji/web"
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)
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func fileDisplayHandler(c web.C, w http.ResponseWriter, r *http.Request) {
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filename := c.URLParams["name"]
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absPath := path.Join(Config.filesDir, filename)
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fileInfo, err := os.Stat(absPath)
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if os.IsNotExist(err) {
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http.Error(w, http.StatusText(404), 404)
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return
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}
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if err := magicmime.Open(magicmime.MAGIC_MIME_TYPE |
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magicmime.MAGIC_SYMLINK |
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magicmime.MAGIC_ERROR); err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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}
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defer magicmime.Close()
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mimetype, err := magicmime.TypeByFile(absPath)
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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}
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var tpl *pongo2.Template
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if strings.HasPrefix(mimetype, "image/") {
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tpl = pongo2.Must(pongo2.FromCache("templates/display/image.html"))
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} else {
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tpl = pongo2.Must(pongo2.FromCache("templates/display/file.html"))
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}
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err = tpl.ExecuteWriter(pongo2.Context{
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"mime": mimetype,
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"sitename": Config.siteName,
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"filename": filename,
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"size": fileInfo.Size(),
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}, w)
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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}
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}
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