Beispiel #1
0
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)
}
Beispiel #2
0
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
}