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@iconicompany/iauth

v0.1.0

Published

OAuth 2.0 client_credentials service tokens with an in-memory cache per scope and audience set

Readme

@iconicompany/iauth

Служебные токены OAuth 2.0 client_credentials: кеш в памяти по набору scope и аудиторий, обновление до истечения срока, один запрос на все одновременные вызовы. Без зависимостей.

Пакет — исходники TypeScript без сборки: нужен Bun.

Окружение пакет не читает — всё передаётся параметрами.

bun add @iconicompany/iauth
import { ClientCredentials, TokenRequestError } from "@iconicompany/iauth";

const client = new ClientCredentials({
  tokenUrl: "https://id.example.com/oauth/v2/token",
  clientId: "service",
  clientSecret: "…",
  audienceStyle: "zitadel",
});

const db = client.source({
  scopes: ["openid", "urn:zitadel:iam:org:projects:roles"],
  audiences: ["390466787977724088"],
});

const pool = new Pool({ password: () => db.token() }); // токен на каждое соединение — из кеша
const apiKey = db.peek(); // синхронно: токен или null

Параметры

| Параметр | Умолчание | Смысл | | -------------------------------------- | ---------- | -------------------------------------------------------------------------------- | | tokenUrl, clientId, clientSecret | — | обязательны | | authMethod | basic | basic — заголовок Authorization (RFC 6749 §2.3.1), post — реквизиты в теле | | audienceStyle | resource | как аудитории попадают в запрос, см. ниже | | refreshMarginSeconds | 60 | за сколько до конца срока обновлять | | fetch, now | глобальные | подмена транспорта и часов |

Аудитории

| audienceStyle | Что уходит | У кого | | --------------- | ---------------------------------------------------------- | --------------- | | resource | resource=<aud> на каждую (RFC 8707) | стандарт | | zitadel | scope urn:zitadel:iam:org:project:id:<aud>:aud на каждую | ZITADEL | | audience | audience=<aud> на каждую | Auth0, Keycloak |

Кеш

Ключ — набор scope и аудиторий без повторов и порядка. token() отдаёт токен из кеша до max(expires_in − refreshMarginSeconds, expires_in / 2), потом запрашивает новый; peek() — до expires_in. Без expires_in срок 300 с. Кеш — в экземпляре, между процессами не делится.

Ошибки

TokenRequestError: status (null — сеть), error, description, cause. Сообщение называет причину и не содержит секрета и токена. Повторов нет — политику выбирает вызывающий.

Разработка

bun run validate                  # формат, линтер, типы, тесты
RUN_LIVE=1 LIVE_TOKEN_URL=… LIVE_CLIENT_ID=… LIVE_CLIENT_SECRET=… \
  LIVE_AUDIENCES="<aud1> <aud2>" bun run test:live