18 // todo: http header limit: 64K, body limit: 64K
20 func httpError(w http.ResponseWriter, code int, msg string) {
21 log.Printf("error: %d %s", code, msg)
22 http.Error(w, fmt.Sprintf("%d %s\n\n%s\n", code, http.StatusText(code), msg), code)
25 func httpReq(r *http.Request) string {
32 for k := range r.Form {
35 form = fmt.Sprintf("%v", a)
37 return fmt.Sprintf("%s %s params:%s", r.Method, r.URL, form)
40 func defaultHandler(w http.ResponseWriter, r *http.Request) {
41 log.Printf("%s %s", r.RemoteAddr, httpReq(r))
42 fmt.Fprintf(w, "not implemented: %s %s\n", r.Method, r.URL)
45 func submitHandler(w http.ResponseWriter, r *http.Request) {
46 log.Printf("%s %s", r.RemoteAddr, httpReq(r))
47 draft := r.FormValue("draft")
48 debit := r.FormValue("debit")
49 key := r.FormValue("key")
52 cert, err := server.EvalDraft([]byte(draft))
54 msg := fmt.Sprintf("eval draft failed: %s", err)
55 httpError(w, 404, msg)
60 cert, err := server.EvalDebitCert([]byte(debit))
62 msg := fmt.Sprintf("eval debit failed: %s", err)
63 httpError(w, 404, msg)
68 err := server.AddKeys([]byte(key))
70 msg := fmt.Sprintf("add keys failed: %s", err)
71 httpError(w, 404, msg)
73 w.Write([]byte("ok\nTODO: create cert 1 here?"))
76 msg := fmt.Sprintf("expected key, draft or debit param, got: %s", httpReq(r))
77 httpError(w, 404, msg)
82 // TODO: serious keygen
83 serverkey, err := key.Server([]byte("secret seed"))
87 err = server.Init(rootdir, serverkey)
93 f, err := os.Create(rootdir + "/form.html")
97 _, _ = fmt.Fprintf(f, `<html><head><title>epoint-server submit form</title></head><body>
98 <h2>epoint-server submit form</h2>
100 <p>submit one document at a time
101 <form method="post" action="/submit">
102 <p>key:<br><textarea name="key" rows="5" cols="80"></textarea>
103 <p>draft:<br><textarea name="draft" rows="5" cols="80"></textarea>
104 <p>debit:<br><textarea name="debit" rows="5" cols="80"></textarea>
105 <p><input type="submit">
107 <h3>command line</h3>
109 curl --data-urlencode name@path/to/file.txt host/submit
111 where 'name' is 'key', 'draft' or 'debit'.
117 http.Handle("/", http.FileServer(http.Dir(rootdir)))
120 // withdraw, draw, deposit, process, clear
121 http.HandleFunc("/submit", submitHandler)
123 log.Printf("start service on %s, server key id: %s\n", addr, key.Id(serverkey))
124 log.Fatal(http.ListenAndServe(addr, nil))