@ydbjs/auth/dist/index.js

Authentication providers for YDB: static credentials, tokens, anonymous, and cloud metadata. Integrates with the core driver for secure access.

import { Metadata } from 'nice-grpc';
export class CredentialsProvider {
    constructor() {
        // @ts-expect-error Inside middleware perform `this.getToken` call
        // to get the token. This is a workaround for the fact that
        // `this` is not bound to the class instance inside the middleware.
        this.middleware = this.middleware.bind(this);
    }
    middleware = async function* (call, options) {
        let token = await this.getToken(false, options.signal);
        return yield* call.next(call.request, {
            ...options,
            metadata: Metadata(options.metadata).set('x-ydb-auth-ticket', token),
        });
    };
}
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