chore(token-providers): add feature ID 'BEARER_SERVICE_ENV_VARS'

Author: trivikr

packages/token-providers/src/fromEnvSigningName.spec.ts

@@ -1,9 +1,9 @@
-import { getBearerTokenEnvKey } from "@aws-sdk/core";
+import { getBearerTokenEnvKey } from "@aws-sdk/core/httpAuthSchemes";
 import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
 
 import { fromEnvSigningName } from "./fromEnvSigningName";
 
-vi.mock("@aws-sdk/core");
+vi.mock("@aws-sdk/core/httpAuthSchemes");
 
 describe(fromEnvSigningName.name, () => {
   const originalEnv = process.env;
@@ -40,7 +40,12 @@ describe(fromEnvSigningName.name, () => {
     const mockBearerToken = "mock-bearer-token";
     process.env[mockBearerTokenEnvKey] = mockBearerToken;
     const token = await fromEnvSigningName(mockInit)();
-    expect(token).toEqual({ token: mockBearerToken });
+    expect(token).toEqual({
+      token: mockBearerToken,
+      $source: {
+        BEARER_SERVICE_ENV_VARS: "3",
+      },
+    });
     expect(getBearerTokenEnvKey).toHaveBeenCalledWith(mockInit.signingName);
   });
 });

packages/token-providers/src/fromEnvSigningName.ts

@@ -1,5 +1,6 @@
-import { getBearerTokenEnvKey } from "@aws-sdk/core";
-import type { CredentialProviderOptions, TokenIdentityProvider } from "@aws-sdk/types";
+import { setTokenFeature } from "@aws-sdk/core/client";
+import { getBearerTokenEnvKey } from "@aws-sdk/core/httpAuthSchemes";
+import type { AttributedTokenIdentity, CredentialProviderOptions, TokenIdentityProvider } from "@aws-sdk/types";
 import { TokenProviderError } from "@smithy/property-provider";
 
 /**
@@ -33,5 +34,8 @@ export const fromEnvSigningName =
       throw new TokenProviderError(`Token not present in '${bearerTokenKey}' environment variable`, { logger });
     }
 
-    return { token: process.env[bearerTokenKey]! };
+    const token = { token: process.env[bearerTokenKey]! } as AttributedTokenIdentity;
+    setTokenFeature(token, "BEARER_SERVICE_ENV_VARS", "3");
+
+    return token;
   };