func DeleteFile(w http.ResponseWriter, r *http.Request, cfg config.Configuration, ctx model.Context) {
var err error
params := mux.Vars(r)
f := model.File{}
f.SetFilename(params["filename"])
if err != nil {
ctx.Log.Println(err)
http.Error(w, "Invalid filename specified. It contains illegal characters or is too short.", 400)
return
}
err = f.SetTag(params["tag"])
if err != nil {
ctx.Log.Println(err)
http.Error(w, "Invalid tag specified. It contains illegal characters or is too short.", 400)
return
}
f.SetTagDir(cfg.Filedir)
if f.Exists() == false {
ctx.Log.Println("The file does not exist.")
http.Error(w, "File Not Found", 404)
return
}
t := model.Tag{}
t.SetTag(f.Tag)
t.SetTagDir(cfg.Filedir)
t.CalculateExpiration(cfg.Expiration)
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
}
f.GenerateLinks(cfg.Baseurl)
err = f.DetectMIME()
if err != nil {
ctx.Log.Println("Unable to detect MIME: ", err)
}
err = f.StatInfo()
if err != nil {
ctx.Log.Println(err)
http.Error(w, "Internal Server Error", 500)
return
}
if cfg.TriggerDeleteFile != "" {
ctx.Log.Println("Executing trigger: Delete file")
triggerDeleteFileHandler(cfg.TriggerDeleteFile, f.Tag, f.Filename)
}
err = f.Remove()
if err != nil {
ctx.Log.Println("Unable to remove file: ", err)
http.Error(w, "Internal Server Error", 500)
return
}
// Purging any old content
if cfg.CacheInvalidation {
if err := f.Purge(); err != nil {
ctx.Log.Println(err)
}
}
w.Header().Set("Content-Type", "application/json")
var status = 200
output.JSONresponse(w, status, f, ctx)
return
}