mirror of
https://github.com/diamondburned/cchat-discord.git
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78 lines
2 KiB
Go
78 lines
2 KiB
Go
package authenticate
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import (
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"github.com/diamondburned/arikawa/v2/api"
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"github.com/diamondburned/cchat"
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"github.com/diamondburned/cchat-discord/internal/discord/session"
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"github.com/diamondburned/cchat-discord/internal/discord/state"
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"github.com/diamondburned/cchat/text"
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"github.com/pkg/errors"
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)
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// ErrNeeds2FA is returned from Authenticator if the user login requires a 2FA
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// token.
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type ErrNeeds2FA struct {
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loginResp *api.LoginResponse
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}
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func (err ErrNeeds2FA) Error() string {
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return "Two-Factor Authentication token required"
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}
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func (err ErrNeeds2FA) NextStage() []cchat.Authenticator {
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return []cchat.Authenticator{
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NewTOTPAuthenticator(err.loginResp.Ticket),
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}
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}
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// TOTPAuthenticator is a second stage authenticator that follows the normal
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// Authenticator if the user has Two-Factor Authentication enabled.
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type TOTPAuthenticator struct {
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client *api.Client
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ticket string
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}
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func NewTOTPAuthenticator(ticket string) *TOTPAuthenticator {
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return &TOTPAuthenticator{
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client: api.NewClient(""),
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ticket: ticket,
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}
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}
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func (auth *TOTPAuthenticator) Name() text.Rich {
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return text.Plain("2FA Prompt")
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}
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func (auth *TOTPAuthenticator) Description() text.Rich {
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return text.Plain("Enter your 2FA token.")
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}
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func (auth *TOTPAuthenticator) AuthenticateForm() []cchat.AuthenticateEntry {
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return []cchat.AuthenticateEntry{
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{Name: "Token", Description: "6-digit code"},
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}
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}
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func (auth *TOTPAuthenticator) Authenticate(v []string) (cchat.Session, cchat.AuthenticateError) {
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if len(v) != 1 {
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return nil, cchat.WrapAuthenticateError(ErrMalformed)
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}
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l, err := auth.client.TOTP(v[0], auth.ticket)
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if err != nil {
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return nil, cchat.WrapAuthenticateError(errors.Wrap(err, "failed to login with 2FA"))
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}
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i, err := state.NewFromToken(l.Token)
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if err != nil {
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return nil, cchat.WrapAuthenticateError(errors.Wrap(err, "failed to use token"))
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}
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s, err := session.NewFromInstance(i)
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if err != nil {
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return nil, cchat.WrapAuthenticateError(errors.Wrap(err, "failed to make a session"))
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}
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return s, nil
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}
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