func terminalMessage(term *terminal.Terminal, color []byte, msg string) { line := make([]byte, len(msg)+16)[:0] line = append(line, ' ') line = append(line, color...) line = append(line, '*') line = append(line, term.Escape.Reset...) line = append(line, ' ') for _, c := range msg { if (c < 32 || c > 126) && c != '\t' { line = append(line, '?') } else { line = append(line, byte(c)) } } line = append(line, '\n') term.Write(line) }
func enroll(config *Config, term *terminal.Terminal) bool { var err error warn(term, "Enrolling new config file") var domain string for { term.SetPrompt("Account (i.e. [email protected], enter to quit): ") if config.Account, err = term.ReadLine(); err != nil || len(config.Account) == 0 { return false } parts := strings.SplitN(config.Account, "@", 2) if len(parts) != 2 { alert(term, "invalid username (want user@domain): "+config.Account) continue } domain = parts[1] break } var proxyStr string term.SetPrompt("Proxy (i.e socks5://127.0.0.1:9050, enter for none): ") for { if proxyStr, err = term.ReadLine(); err != nil { return false } if len(proxyStr) == 0 { break } u, err := url.Parse(proxyStr) if err != nil { alert(term, "Failed to parse "+proxyStr+" as a URL: "+err.Error()) continue } if _, err = proxy.FromURL(u, proxy.Direct); err != nil { alert(term, "Failed to parse "+proxyStr+" as a proxy: "+err.Error()) continue } break } if len(proxyStr) > 0 { config.Proxies = []string{proxyStr} info(term, "Since you selected a proxy, we need to know the server and port to connect to as a SRV lookup would leak information every time.") term.SetPrompt("Server (i.e. xmpp.example.com, enter to lookup using unproxied DNS): ") if config.Server, err = term.ReadLine(); err != nil { return false } if len(config.Server) == 0 { var port uint16 info(term, "Performing SRV lookup") if config.Server, port, err = xmpp.Resolve(domain); err != nil { alert(term, "SRV lookup failed: "+err.Error()) return false } config.Port = int(port) info(term, "Resolved "+config.Server+":"+strconv.Itoa(config.Port)) } else { for { term.SetPrompt("Port (enter for 5222): ") portStr, err := term.ReadLine() if err != nil { return false } if len(portStr) == 0 { portStr = "5222" } if config.Port, err = strconv.Atoi(portStr); err != nil || config.Port <= 0 || config.Port > 65535 { info(term, "Port numbers must be 0 < port <= 65535") continue } break } } } term.SetPrompt("File to import libotr private key from (enter to generate): ") var priv otr.PrivateKey for { importFile, err := term.ReadLine() if err != nil { return false } if len(importFile) > 0 { privKeyBytes, err := ioutil.ReadFile(importFile) if err != nil { alert(term, "Failed to open private key file: "+err.Error()) continue } if !priv.Import(privKeyBytes) { alert(term, "Failed to parse libotr private key file (the parser is pretty simple I'm afraid)") continue } break } else { info(term, "Generating private key...") priv.Generate(rand.Reader) break } } config.PrivateKey = priv.Serialize(nil) term.SetPrompt("> ") return true }