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rpc: return PASSWORD_MISSING for channel transfer without 2FA

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messages.editChatCreator unconditionally returned PASSWORD_HASH_INVALID for
an account with no cloud password at all. Real Telegram Desktop's transfer-
ownership flow only recognizes the distinct PASSWORD_MISSING error to show
its "enable 2FA first" box; anything else falls through into the real
password-entry flow, which then has nothing to check against and crashes.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
This commit is contained in:
Astra 2026-09-13 22:07:54 +01:00
parent 7f0921c82c
commit 798ea70b4e
4 changed files with 75 additions and 3 deletions
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3
internal/rpc/errors.go
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@ -291,6 +291,7 @@ func scoreInvalidErr() error { return tgerr.New(400, "SCORE_INVALID") }
func sessionPasswordNeededErr() error { return tgerr.New(401, "SESSION_PASSWORD_NEEDED") }
func passwordHashInvalidErr() error { return tgerr.New(400, "PASSWORD_HASH_INVALID") }
func passwordMissingErr() error { return tgerr.New(400, "PASSWORD_MISSING") }
func srpIDInvalidErr() error { return tgerr.New(400, "SRP_ID_INVALID") }
func srpPasswordChangedErr() error { return tgerr.New(400, "SRP_PASSWORD_CHANGED") }
func newSettingsInvalidErr() error { return tgerr.New(400, "NEW_SETTINGS_INVALID") }
@ -468,6 +469,8 @@ func passwordErr(err error) error {
switch {
case errors.Is(err, domain.ErrPasswordHashInvalid):
return passwordHashInvalidErr()
case errors.Is(err, domain.ErrPasswordMissing):
return passwordMissingErr()
case errors.Is(err, domain.ErrSRPIDInvalid):
return srpIDInvalidErr()
case errors.Is(err, domain.ErrSRPPasswordChanged):