Files
WRNexusJS/packages/rpc/test/identity.test.ts
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2026-08-05 14:12:42 +05:30

108 lines
3.9 KiB
TypeScript

import { afterEach, describe, expect, test } from "bun:test";
import type { Context } from "@wrnexus/core";
import { exportSubjectContext, importSubjectContext } from "../src/identity.ts";
const SECRET = "test-rpc-secret-at-least-32-chars-long";
const original = { ...process.env };
afterEach(() => {
process.env = { ...original };
});
function ctxFor(user: unknown, tenantId?: string): Context {
return {
user,
tenant: tenantId ? { id: tenantId } : undefined,
locals: {},
} as unknown as Context;
}
function configure(appName = "web") {
process.env.WRNEXUS_RPC_SECRET = SECRET;
process.env.WRNEXUS_APP_NAME = appName;
}
describe("subject context token", () => {
test("round-trips subject and tenant", async () => {
configure("web");
const token = await exportSubjectContext(ctxFor({ id: "u1" }, "acme"), "billing");
const imported = await importSubjectContext(token!, "billing");
expect(imported.subjectId).toBe("u1");
expect(imported.tenantId).toBe("acme");
expect(imported.callerApp).toBe("web");
});
test("carries NO roles or permissions", async () => {
configure();
const token = await exportSubjectContext(
ctxFor({ id: "u1", roles: ["admin"], permissions: ["*"] }),
"billing",
);
// Decode the payload directly: the claim set must not include privileges.
const payload = JSON.parse(atob(token!.split(".")[1]!.replace(/-/g, "+").replace(/_/g, "/")));
expect(payload.roles).toBeUndefined();
expect(payload.permissions).toBeUndefined();
expect(payload.sub).toBe("u1");
});
test("an anonymous context produces no token", async () => {
configure();
expect(await exportSubjectContext(ctxFor(null), "billing")).toBeUndefined();
expect(await exportSubjectContext(ctxFor({}), "billing")).toBeUndefined();
});
test("a non-string subject id is refused", async () => {
configure();
// Matches the permissions system: only a non-empty string identifies a subject.
for (const id of [0, "", 123, {}]) {
await expect(exportSubjectContext(ctxFor({ id }), "billing")).rejects.toThrow(/subject/i);
}
});
test("a token minted for one app is rejected by another", async () => {
configure();
const token = await exportSubjectContext(ctxFor({ id: "u1" }), "billing");
await expect(importSubjectContext(token!, "reports")).rejects.toThrow();
});
test("an expired token is rejected", async () => {
configure();
const token = await exportSubjectContext(ctxFor({ id: "u1" }), "billing", { ttlSeconds: -1 });
await expect(importSubjectContext(token!, "billing")).rejects.toThrow();
});
test("a token signed with a different secret is rejected", async () => {
configure();
const token = await exportSubjectContext(ctxFor({ id: "u1" }), "billing");
process.env.WRNEXUS_RPC_SECRET = "a-completely-different-secret-32-chars";
await expect(importSubjectContext(token!, "billing")).rejects.toThrow();
});
test("a tampered payload is rejected", async () => {
configure();
const token = await exportSubjectContext(ctxFor({ id: "u1" }), "billing");
const [header, , signature] = token!.split(".");
const forged = btoa(JSON.stringify({ sub: "admin", aud: "billing", iss: "web" }))
.replace(/\+/g, "-")
.replace(/\//g, "_")
.replace(/=+$/, "");
await expect(
importSubjectContext(`${header}.${forged}.${signature}`, "billing"),
).rejects.toThrow();
});
test("a missing secret is a setup error, not a silent pass", async () => {
process.env.WRNEXUS_APP_NAME = "web";
delete process.env.WRNEXUS_RPC_SECRET;
await expect(exportSubjectContext(ctxFor({ id: "u1" }), "billing")).rejects.toThrow(
/WRNEXUS_RPC_SECRET/,
);
});
test("a short secret is refused", async () => {
process.env.WRNEXUS_APP_NAME = "web";
process.env.WRNEXUS_RPC_SECRET = "too-short";
await expect(exportSubjectContext(ctxFor({ id: "u1" }), "billing")).rejects.toThrow(/32/);
});
});