78 lines
1.7 KiB
Go
78 lines
1.7 KiB
Go
package main
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import (
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"encoding/json"
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"net/http"
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"os"
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"path"
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"strconv"
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"strings"
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"time"
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"bitbucket.org/taruti/mimemagic"
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"github.com/dustin/go-humanize"
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"github.com/flosch/pongo2"
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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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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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expiry, _ := metadataGetExpiry(fileName)
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var expiryHuman string
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if expiry != 0 {
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expiryHuman = humanize.RelTime(time.Now(), time.Unix(expiry, 0), "", "")
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}
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sizeHuman := humanize.Bytes(uint64(fileInfo.Size()))
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file, _ := os.Open(filePath)
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header := make([]byte, 512)
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file.Read(header)
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file.Close()
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mimetype := mimemagic.Match("", header)
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if strings.EqualFold("application/json", r.Header.Get("Accept")) {
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js, _ := json.Marshal(map[string]string{
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"filename": fileName,
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"mimetype": mimetype,
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"expiry": strconv.FormatInt(expiry, 10),
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"size": strconv.FormatInt(fileInfo.Size(), 10),
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})
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w.Write(js)
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return
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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 = Templates["display/image.html"]
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} else if strings.HasPrefix(mimetype, "video/") {
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tpl = Templates["display/video.html"]
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} else if strings.HasPrefix(mimetype, "audio/") {
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tpl = Templates["display/audio.html"]
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} else if mimetype == "application/pdf" {
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tpl = Templates["display/pdf.html"]
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} else {
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tpl = 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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"filename": fileName,
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"size": sizeHuman,
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"expiry": expiryHuman,
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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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