@equinor/fusion-framework-module-msal-node
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Fusion Framework module for secure Azure AD authentication in Node.js using MSAL. Supports interactive, silent, and token-only authentication modes with encrypted token storage.
51 lines • 2.01 kB
JavaScript
/**
* Implementation of an authentication provider that supplies a static, pre-obtained access token.
*
* This class implements {@link IAuthProvider} and is intended for scenarios where authentication
* is handled externally and a token is provided directly (e.g., CI/CD pipelines, automation, or service accounts).
*
* Login and logout operations are not supported and will always throw errors if called.
*
* @see AuthProvider for silent authentication using cached accounts and MSAL flows.
* @see AuthProviderInteractive for interactive, user-driven authentication flows.
*/
export class AuthTokenProvider {
#accessToken;
constructor(token) {
this.#accessToken = token;
}
/**
* Not supported in token-only mode. Always throws an error if called.
*
* This provider is designed for scenarios where authentication is handled externally
* and a static token is supplied. Login flows are not possible in this context.
*
* @throws Error Always throws to indicate login is not supported.
*/
login(_options) {
throw new Error('Method not supported in token mode');
}
/**
* Not supported in token-only mode. Always throws an error if called.
*
* Since this provider does not manage user sessions or accounts, logout is not applicable.
*
* @throws Error Always throws to indicate logout is not supported.
*/
logout() {
throw new Error('Method not supported in token mode');
}
/**
* Returns the pre-obtained access token supplied to the provider.
*
* This is the only supported operation for this provider. No token refresh or acquisition logic is performed.
*
* @param _options - Options parameter (ignored in token-only mode)
* @returns The static access token as a string.
*/
async acquireAccessToken(_options) {
return this.#accessToken;
}
}
export default AuthTokenProvider;
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