66 lines
1.5 KiB
Go
66 lines
1.5 KiB
Go
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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var imageTpl = pongo2.Must(pongo2.FromCache("templates/display/image.html"))
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var audioTpl = pongo2.Must(pongo2.FromCache("templates/display/audio.html"))
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var videoTpl = pongo2.Must(pongo2.FromCache("templates/display/video.html"))
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var fileTpl = pongo2.Must(pongo2.FromCache("templates/display/file.html"))
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var pdfTpl = pongo2.Must(pongo2.FromCache("templates/display/pdf.html"))
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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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filePath := path.Join(Config.filesDir, fileName)
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fileInfo, err := os.Stat(filePath)
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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 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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oopsHandler(c, w, r)
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}
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defer magicmime.Close()
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mimetype, err := magicmime.TypeByFile(filePath)
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if err != nil {
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oopsHandler(c, w, r)
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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 = imageTpl
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} else if strings.HasPrefix(mimetype, "video/") {
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tpl = videoTpl
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} else if strings.HasPrefix(mimetype, "audio/") {
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tpl = audioTpl
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} else if mimetype == "application/pdf" {
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tpl = pdfTpl
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} else {
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tpl = fileTpl
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}
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err = tpl.ExecuteWriter(pongo2.Context{
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"mime": mimetype,
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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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oopsHandler(c, w, r)
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}
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}
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