chore: refresh gramsrv public release

internal/rpc/convert_passkey.go

@@ -0,0 +1,82 @@
+package rpc
+
+import (
+	"encoding/base64"
+
+	"github.com/gotd/td/tg"
+
+	"telesrv/internal/domain"
+)
+
+// decodePasskeyID 容忍有/无填充地 base64url 解码 credential id(取第一个可解的非空值)。
+func decodePasskeyID(vals ...string) ([]byte, bool) {
+	for _, v := range vals {
+		if v == "" {
+			continue
+		}
+		if b, err := base64.RawURLEncoding.DecodeString(v); err == nil && len(b) > 0 {
+			return b, true
+		}
+		if b, err := base64.URLEncoding.DecodeString(v); err == nil && len(b) > 0 {
+			return b, true
+		}
+	}
+	return nil, false
+}
+
+func passkeyPublicKeyCredential(cred tg.InputPasskeyCredentialClass) (*tg.InputPasskeyCredentialPublicKey, bool) {
+	pk, ok := cred.(*tg.InputPasskeyCredentialPublicKey)
+	return pk, ok
+}
+
+// passkeyLoginFromCredential 从 inputPasskeyCredentialPublicKey 提取登录断言字段。
+func passkeyLoginFromCredential(cred tg.InputPasskeyCredentialClass) (credID []byte, login *tg.InputPasskeyResponseLogin, ok bool) {
+	pk, ok := passkeyPublicKeyCredential(cred)
+	if !ok {
+		return nil, nil, false
+	}
+	login, ok = pk.Response.(*tg.InputPasskeyResponseLogin)
+	if !ok {
+		return nil, nil, false
+	}
+	credID, ok = decodePasskeyID(pk.RawID, pk.ID)
+	if !ok {
+		return nil, nil, false
+	}
+	return credID, login, true
+}
+
+// passkeyRegisterFromCredential 从 inputPasskeyCredentialPublicKey 提取注册 attestation 字段。
+func passkeyRegisterFromCredential(cred tg.InputPasskeyCredentialClass) (credID []byte, reg *tg.InputPasskeyResponseRegister, ok bool) {
+	pk, ok := passkeyPublicKeyCredential(cred)
+	if !ok {
+		return nil, nil, false
+	}
+	reg, ok = pk.Response.(*tg.InputPasskeyResponseRegister)
+	if !ok {
+		return nil, nil, false
+	}
+	credID, ok = decodePasskeyID(pk.RawID, pk.ID)
+	if !ok {
+		return nil, nil, false
+	}
+	return credID, reg, true
+}
+
+// tgPasskey 把领域凭据投影为 tg.Passkey(ID 用 base64url)。
+func tgPasskey(c domain.PasskeyCredential) tg.Passkey {
+	return tg.Passkey{
+		ID:            base64.RawURLEncoding.EncodeToString(c.CredentialID),
+		Name:          c.Name,
+		Date:          int(c.CreatedAt),
+		LastUsageDate: int(c.LastUsedAt),
+	}
+}
+
+func tgPasskeys(creds []domain.PasskeyCredential) []tg.Passkey {
+	out := make([]tg.Passkey, 0, len(creds))
+	for _, c := range creds {
+		out = append(out, tgPasskey(c))
+	}
+	return out
+}