Class OnBehalfOfCredential

Creates an instance of the OnBehalfOfCredential with the details needed to authenticate against Microsoft Entra ID with path to a PEM certificate, and an user assertion.

Example using the KeyClient from @azure/keyvault-keys:

import { OnBehalfOfCredential } from "@azure/identity";
import { KeyClient } from "@azure/keyvault-keys";

const tokenCredential = new OnBehalfOfCredential({
  tenantId: "tenant-id",
  clientId: "client-id",
  certificatePath: "/path/to/certificate.pem",
  userAssertionToken: "access-token",
});
const client = new KeyClient("vault-url", tokenCredential);

await client.getKey("key-name");
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Creates an instance of the OnBehalfOfCredential with the details needed to authenticate against Microsoft Entra ID with a client secret and an user assertion.

Example using the KeyClient from @azure/keyvault-keys:

import { OnBehalfOfCredential } from "@azure/identity";
import { KeyClient } from "@azure/keyvault-keys";

const tokenCredential = new OnBehalfOfCredential({
  tenantId: "tenant-id",
  clientId: "client-id",
  clientSecret: "client-secret",
  userAssertionToken: "access-token",
});
const client = new KeyClient("vault-url", tokenCredential);

await client.getKey("key-name");
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Creates an instance of the OnBehalfOfCredential with the details needed to authenticate against Microsoft Entra ID with a client getAssertion and an user assertion.

Example using the KeyClient from @azure/keyvault-keys:

import { OnBehalfOfCredential } from "@azure/identity";
import { KeyClient } from "@azure/keyvault-keys";

const tokenCredential = new OnBehalfOfCredential({
  tenantId: "tenant-id",
  clientId: "client-id",
  getAssertion: () => {
    return Promise.resolve("my-jwt");
  },
  userAssertionToken: "access-token",
});
const client = new KeyClient("vault-url", tokenCredential);

await client.getKey("key-name");
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Authenticates with Microsoft Entra ID and returns an access token if successful. If authentication fails, a CredentialUnavailableError will be thrown with the details of the failure.