2848ff0987
Sync telesrv c779c48 (feat(branding): unify visible product naming). Skipped private www files and preserved public README files; mapped orange appearance seed names to public default names.
57 lines
2.2 KiB
Go
57 lines
2.2 KiB
Go
package domain
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import (
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"fmt"
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"math"
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"strings"
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"telesrv/internal/branding"
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)
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const officialLoginCodeMessageTemplate = `Login code: %s. Do not give this code to anyone, even if they say they are from ` + branding.ProductName + `!
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This code can be used to log in to your ` + branding.ProductName + ` account. We never ask it for anything else.
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If you didn't request this code by trying to log in on another device, simply ignore this message.`
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// LoginCodeDeliveryRequest describes one durable 777000 login-code delivery.
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// PhoneCodeHash is an opaque idempotency token and must never be persisted in
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// plaintext; store implementations persist only its SHA-256 digest.
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type LoginCodeDeliveryRequest struct {
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UserID int64
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PhoneCodeHash string
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Code string
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Date int
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// ExpiresAt is the unix second after which the compact idempotency receipt
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// may be reclaimed. It must cover the corresponding code's usable lifetime.
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ExpiresAt int64
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}
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// LoginCodeDeliveryResult returns the immutable first delivery. Created is
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// false when the same phone_code_hash was already committed and replayed.
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type LoginCodeDeliveryResult struct {
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Message Message
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Created bool
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}
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// OfficialLoginCodeMessage builds the account-visible incoming message from
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// Telegram's official notification account. Persistence assigns ID, UID and
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// Pts atomically.
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func OfficialLoginCodeMessage(userID int64, code string, date int) (Message, error) {
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if userID <= 0 || IsSystemUserID(userID) || strings.TrimSpace(code) == "" || len(code) > 64 || date < 0 || date > math.MaxInt32 {
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return Message{}, fmt.Errorf("%w: user=%d code_length=%d date=%d", ErrLoginCodeDeliveryInvalid, userID, len(code), date)
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}
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body := fmt.Sprintf(officialLoginCodeMessageTemplate, code)
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codeOffset := len("Login code: ")
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return Message{
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OwnerUserID: userID,
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Peer: Peer{Type: PeerTypeUser, ID: OfficialSystemUserID},
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From: Peer{Type: PeerTypeUser, ID: OfficialSystemUserID},
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Date: date,
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Body: body,
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Entities: []MessageEntity{
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{Type: MessageEntityBold, Offset: 0, Length: len("Login code:")},
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{Type: MessageEntityBold, Offset: codeOffset, Length: len(code)},
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},
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}, nil
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}
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