init

internal/terminal.go

@@ -0,0 +1,63 @@
+package internal
+
+import (
+	"bufio"
+	"context"
+	"errors"
+	"fmt"
+	"os"
+	"strings"
+	"syscall"
+
+	"golang.org/x/term"
+
+	"github.com/gotd/td/telegram/auth"
+	"github.com/gotd/td/tg"
+)
+
+// Terminal implements auth.UserAuthenticator prompting the terminal for
+// input.
+//
+// This is only example implementation, you should not use it in your code.
+// Copy it and modify to fit your needs.
+type Terminal struct {
+	PhoneNumber string // optional, will be prompted if empty
+}
+
+func (Terminal) SignUp(ctx context.Context) (auth.UserInfo, error) {
+	return auth.UserInfo{}, errors.New("signing up not implemented in Terminal")
+}
+
+func (Terminal) AcceptTermsOfService(ctx context.Context, tos tg.HelpTermsOfService) error {
+	return &auth.SignUpRequired{TermsOfService: tos}
+}
+
+func (Terminal) Code(ctx context.Context, sentCode *tg.AuthSentCode) (string, error) {
+	fmt.Print("Enter code: ")
+	code, err := bufio.NewReader(os.Stdin).ReadString('\n')
+	if err != nil {
+		return "", err
+	}
+	return strings.TrimSpace(code), nil
+}
+
+func (a Terminal) Phone(_ context.Context) (string, error) {
+	if a.PhoneNumber != "" {
+		return a.PhoneNumber, nil
+	}
+	fmt.Print("Enter phone in international format (e.g. +1234567890): ")
+	phone, err := bufio.NewReader(os.Stdin).ReadString('\n')
+	if err != nil {
+		return "", err
+	}
+	return strings.TrimSpace(phone), nil
+}
+
+func (Terminal) Password(_ context.Context) (string, error) {
+	fmt.Print("Enter 2FA password: ")
+	bytePwd, err := term.ReadPassword(int(syscall.Stdin))
+	if err != nil {
+		return "", err
+	}
+	return strings.TrimSpace(string(bytePwd)), nil
+}