func main() {
var err error
log := log.New(os.Stdout, "- ", log.LstdFlags)
// Initialize boxes
staticBox = rice.MustFindBox("static")
templateBox = rice.MustFindBox("templates")
log.Println("Listen host: " + cfg.Host)
log.Println("Listen port: " + strconv.Itoa(cfg.Port))
log.Println("Read timeout: " +
strconv.Itoa(cfg.ReadTimeout) + " seconds")
log.Println("Write timeout: " +
strconv.Itoa(cfg.WriteTimeout) + " seconds")
log.Println("Max header size: " +
strconv.Itoa(cfg.MaxHeaderBytes) + " bytes")
log.Println("Access log file: " + cfg.AccessLog)
log.Println("Cache invalidation enabled: " +
strconv.FormatBool(cfg.CacheInvalidation))
log.Println("Workers: " +
strconv.Itoa(cfg.Workers))
log.Println("Expiration time: " +
strconv.FormatInt(cfg.Expiration, 10) + " seconds")
log.Println("Files directory: " + cfg.Filedir)
log.Println("Temp directory: " + cfg.Tempdir)
//log.Println("Log directory: " + cfg.Logdir)
log.Println("Baseurl: " + cfg.Baseurl)
var trigger = cfg.TriggerNewBin
if trigger == "" {
trigger = "Not set"
}
log.Println("Trigger - New bin: " + trigger)
trigger = cfg.TriggerUploadFile
if trigger == "" {
trigger = "Not set"
}
log.Println("Trigger - Upload file: " + trigger)
trigger = cfg.TriggerDownloadBin
if trigger == "" {
trigger = "Not set"
}
log.Println("Trigger - Download bin: " + trigger)
trigger = cfg.TriggerDownloadFile
if trigger == "" {
trigger = "Not set"
}
log.Println("Trigger - Download file: " + trigger)
trigger = cfg.TriggerDeleteBin
if trigger == "" {
trigger = "Not set"
}
log.Println("Trigger - Delete bin: " + trigger)
trigger = cfg.TriggerDeleteFile
if trigger == "" {
trigger = "Not set"
}
log.Println("Trigger - Delete file: " + trigger)
//fmt.Println("Trigger Expired bin: " + cfg.TriggerExpiredBin)
accessLogWriter, err := os.OpenFile(cfg.AccessLog, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0666)
if err != nil {
fmt.Println("Unable to open access log file: " + err.Error())
os.Exit(2)
}
m = metrics.Init()
startTime := time.Now().UTC()
backend, err = fs.InitBackend(cfg.Baseurl, cfg.Filedir, cfg.Tempdir, cfg.Expiration, log)
if err != nil {
log.Fatalln(err.Error())
}
finishTime := time.Now().UTC()
elapsedTime := finishTime.Sub(startTime)
backend.Log.Println("Backend initialized in: " + elapsedTime.String())
log.Println("Backend: " + backend.Info())
log.Println("Filebin server starting...")
// Start dispatcher that will handle all background processing
model.StartDispatcher(cfg.Workers, WorkQueue, &backend)
// Sending all files through the batch process to ensure thumbnails
// are generated.
for _, bin := range backend.GetBins() {
files := backend.GetFiles(bin)
for _, filename := range files {
j := model.Job{}
j.Filename = filename
j.Bin = bin
j.Log = log
j.Cfg = &cfg
WorkQueue <- j
}
}
router := mux.NewRouter()
router.Handle("/static/{path:.*}", http.StripPrefix("/static/", http.FileServer(staticBox.HTTPBox()))).Methods("GET", "HEAD")
http.Handle("/", httpInterceptor(router))
// Accept trailing slashes.
// Disabling this feature for now since it might not be needed. Try to
// find some other way of accepting trailing slashes where appropriate
// instead of globally.
//router.StrictSlash(true)
// Skip reqHandler to avoid logging of requests to this endpoint
router.HandleFunc("/filebin-status", api.FilebinStatus).Methods("GET", "HEAD")
router.HandleFunc("/admin", basicAuth(reqHandler(api.AdminDashboard))).Methods("GET", "HEAD")
router.HandleFunc("/admin/events", basicAuth(reqHandler(api.AdminEvents))).Methods("GET", "HEAD")
router.HandleFunc("/admin/bins", basicAuth(reqHandler(api.AdminBins))).Methods("GET", "HEAD")
router.HandleFunc("/admin/counters", basicAuth(reqHandler(api.AdminCounters))).Methods("GET", "HEAD")
router.HandleFunc("/readme", reqHandler(api.Readme)).Methods("GET", "HEAD")
router.HandleFunc("/", reqHandler(api.NewBin)).Methods("GET", "HEAD")
router.HandleFunc("/", reqHandler(api.Upload)).Methods("POST")
router.HandleFunc("/archive/{bin:[A-Za-z0-9_-]+}/{format:[a-z]+}", reqHandler(api.FetchArchive)).Methods("GET", "HEAD")
router.HandleFunc("/album/{bin:[A-Za-z0-9_-]+}", reqHandler(api.FetchAlbum)).Methods("GET", "HEAD")
router.HandleFunc("/{bin:[A-Za-z0-9_-]+}", reqHandler(api.FetchBin)).Methods("GET", "HEAD")
router.HandleFunc("/{bin:[A-Za-z0-9_-]+}", reqHandler(api.DeleteBin)).Methods("DELETE")
router.HandleFunc("/{bin:[A-Za-z0-9_-]+}/{filename:.+}", reqHandler(api.FetchFile)).Methods("GET", "HEAD")
router.HandleFunc("/{bin:[A-Za-z0-9_-]+}/{filename:.+}", reqHandler(api.DeleteFile)).Methods("DELETE")
router.HandleFunc("/{path:.*}", reqHandler(api.PurgeHandler)).Methods("PURGE")
logRouter := handlers.CombinedLoggingHandler(accessLogWriter, router)
server := &http.Server{
Addr: cfg.Host + ":" + strconv.Itoa(cfg.Port),
Handler: logRouter,
ReadTimeout: time.Duration(cfg.ReadTimeout) * time.Second,
WriteTimeout: time.Duration(cfg.WriteTimeout) * time.Second,
MaxHeaderBytes: cfg.MaxHeaderBytes,
}
err = server.ListenAndServe()
if err != nil {
log.Panicln(err.Error())
}
}
func Upload(w http.ResponseWriter, r *http.Request, cfg config.Configuration, ctx model.Context) {
r.Close = true
bin := r.Header.Get("bin")
if err := verifyBin(bin); err != nil {
http.Error(w, "Invalid bin", 400)
return
}
b, err := ctx.Backend.GetBinMetaData(bin)
if err == nil {
if b.Expired {
http.Error(w, "This bin expired "+b.ExpiresReadable+".", 410)
return
}
}
filename := sanitizeFilename(r.Header.Get("filename"))
if err := verifyFilename(filename); err != nil {
http.Error(w, "Invalid filename", 400)
return
}
ctx.Metrics.Incr("current-upload")
defer ctx.Metrics.Decr("current-upload")
event := ctx.Events.New(ctx.RemoteAddr, []string{"file", "upload"}, bin, filename)
defer event.Done()
if i, err := strconv.Atoi(r.Header.Get("content-length")); err == nil {
event.Update("Size: "+humanize.Bytes(uint64(i)), 0)
}
if ctx.Backend.BinExists(bin) == false {
if cfg.TriggerNewBin != "" {
ctx.Log.Println("Executing trigger: New bin")
triggerNewBinHandler(cfg.TriggerNewBin, bin)
}
}
f, err := ctx.Backend.UploadFile(bin, filename, r.Body)
if err != nil {
ctx.Log.Println(err)
http.Error(w, "Internal Server Error", http.StatusInternalServerError)
event.Update(err.Error(), 2)
return
}
ctx.Metrics.Incr("total-upload")
if cfg.TriggerUploadFile != "" {
ctx.Log.Println("Executing trigger: Uploaded file")
triggerUploadFileHandler(cfg.TriggerUploadFile, f.Bin, f.Filename)
}
// Purging any old content
if cfg.CacheInvalidation {
for _, l := range f.Links {
if err := shared.PurgeURL(l.Href, ctx.Log); err != nil {
ctx.Log.Println(err)
}
}
}
j := model.Job{}
j.Filename = f.Filename
j.Bin = f.Bin
j.Log = ctx.Log
j.Cfg = &cfg
ctx.WorkQueue <- j
w.Header().Set("Content-Type", "application/json")
var status = 201
output.JSONresponse(w, status, f, ctx)
}