Created
October 13, 2015 21:44
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Simple file receiver
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| package main | |
| import ( | |
| "io" | |
| "log" | |
| "net/http" | |
| "os" | |
| ) | |
| func main() { | |
| err := http.ListenAndServe(":12345", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { | |
| if r.Method == "GET" { | |
| showForm(w, "") | |
| } else { | |
| acceptFile(w, r) | |
| } | |
| })) | |
| if err != nil { | |
| log.Fatal("ListenAndServe: ", err) | |
| } | |
| } | |
| func acceptFile(w http.ResponseWriter, r *http.Request) { | |
| defer r.Body.Close() | |
| fi, _, err := r.FormFile("file") | |
| if err != nil { | |
| http.Error(w, "FormFile: "+err.Error(), 500) | |
| return | |
| } | |
| fn := "plik.data" | |
| if fv := r.FormValue("name"); fv != "" { | |
| fn = fv | |
| } | |
| fo, err := os.Create(fn) | |
| if err != nil { | |
| http.Error(w, "os.Create: "+err.Error(), 500) | |
| return | |
| } | |
| defer fo.Close() | |
| _, err = io.Copy(fo, fi) | |
| if err != nil { | |
| http.Error(w, "io.Copy: "+err.Error(), 500) | |
| return | |
| } | |
| showForm(w, "Ok!") | |
| } | |
| func showForm(w io.Writer, bonus string) { | |
| io.WriteString(w, "<html><head><title>Zapodaj plika!</title></head>"+ | |
| "<body><h1>"+bonus+"</h1>"+ | |
| "<form method='POST' enctype='multipart/form-data' action='#'>"+ | |
| "Nazwa pliku:<input type=text name=name><br/>"+ | |
| "<input type=file name=file><br/>"+ | |
| "<input type=submit name=Uhuu!>"+ | |
| "</form></body></html>") | |
| } |
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