func FetchTag(w http.ResponseWriter, r *http.Request, cfg config.Configuration, ctx model.Context) {
var err error
params := mux.Vars(r)
t := model.Tag{}
err = t.SetTag(params["tag"])
if err != nil {
ctx.Log.Println(err)
http.Error(w, "Invalid tag", 400)
return
}
t.SetTagDir(cfg.Filedir)
t.CalculateExpiration(cfg.Expiration)
if t.TagDirExists() {
expired, err := t.IsExpired(cfg.Expiration)
if err != nil {
ctx.Log.Println(err)
http.Error(w, "Internal server error", 500)
return
}
if expired {
ctx.Log.Println("Expired: " + t.ExpirationReadable)
http.Error(w, "This tag has expired.", 410)
return
}
err = t.StatInfo()
if err != nil {
ctx.Log.Println(err)
http.Error(w, "Internal Server Error", 500)
return
}
err = t.List(cfg.Baseurl)
if err != nil {
ctx.Log.Println(err)
http.Error(w, "Error reading the tag contents.", 404)
return
}
}
//t.GenerateLinks(cfg.Baseurl)
headers := make(map[string]string)
headers["Cache-Control"] = "max-age=1"
var status = 200
if r.Header.Get("Content-Type") == "application/zip" || r.FormValue("o") == "zip" {
headers["Content-Type"] = "application/zip"
// Generate a map of paths to add to the zip response
var paths []string
for _, f := range t.Files {
path := filepath.Join(f.TagDir, f.Filename)
paths = append(paths, path)
}
output.ZIPresponse(w, status, t.Tag, headers, paths, ctx)
return
}
if r.Header.Get("Content-Type") == "application/json" {
headers["Content-Type"] = "application/json"
output.JSONresponse(w, status, headers, t, ctx)
return
} else {
output.HTMLresponse(w, "viewtag", status, headers, t, ctx)
return
}
}
