Files
ThothII/backend/test/auth-routes-oidc.test.ts
T

216 lines
9.3 KiB
TypeScript

import Fastify from "fastify";
import cookie from "@fastify/cookie";
import { afterEach, expect, test } from "vitest";
import { registerAuthRoutes } from "../src/auth/routes.js";
import type { LoadedAuthConfig, OidcStateRecord } from "../src/auth/types.js";
import type { AuthSessionStore } from "../src/auth/session-store.js";
import type { OidcProtocol } from "../src/auth/oidc-client.js";
const revision = "a".repeat(64);
const issuer = "https://issuer.example.test";
const state = "s".repeat(43);
const nonce = "n".repeat(43);
const verifier = "v".repeat(43);
const createdApps: Array<ReturnType<typeof Fastify>> = [];
function config(overrides: Partial<LoadedAuthConfig["value"]> = {}): LoadedAuthConfig {
return {
revision,
sourcePath: "/private/auth.yaml",
value: {
version: 1,
mode: "oidc",
publicUrl: "https://thothii.example.test",
session: {
regularTtlSeconds: 3600, regularIdleSeconds: 300,
rememberTtlSeconds: 3600, rememberIdleSeconds: 300, oidcTtlSeconds: 3600,
},
oidc: {
issuer, clientId: "thothii", clientSecretRef: "THT_OIDC_CLIENT_SECRET",
scopes: ["openid", "profile"], groupsClaim: "groups",
},
groupCatalog: { driver: "authentik", baseUrl: issuer, apiTokenRef: "THT_AUTHENTIK_API_TOKEN" },
authorization: { groupRoles: { Users: ["user"], Admins: ["admin"] } },
...overrides,
},
} as LoadedAuthConfig;
}
function stateRecord(extra: Partial<OidcStateRecord> = {}): OidcStateRecord {
return {
version: 1, nonce, codeVerifier: verifier, returnTo: "/",
authConfigRevision: revision, issuer,
createdAt: "2030-01-01T00:00:00.000Z", expiresAt: "2030-01-01T00:10:00.000Z",
...extra,
} as OidcStateRecord;
}
function fixture(options: {
loaded?: LoadedAuthConfig;
identity?: Awaited<ReturnType<OidcProtocol["callback"]>>;
callbackFailure?: boolean;
stateReturnTo?: string;
} = {}) {
let loaded = options.loaded ?? config();
let protocolAvailable = true;
let storedState: OidcStateRecord | undefined;
const stateInputs: Array<Record<string, unknown>> = [];
const creates: Array<Record<string, unknown>> = [];
const callbacks: URL[] = [];
const protocol: OidcProtocol = {
authorizationUrl: async ({ state: received, nonce: receivedNonce, codeVerifier }) => {
expect(received).toBe(state);
expect(receivedNonce).toHaveLength(43);
expect(codeVerifier).toHaveLength(43);
return new URL(`https://issuer.example.test/authorize?state=${received}`);
},
callback: async ({ currentUrl }) => {
callbacks.push(currentUrl);
if (options.callbackFailure) throw new Error("provider failure with access-token-must-not-leak");
return options.identity ?? {
issuer, subject: "user-123", displayName: "Ada", groups: ["Users", "Admins", "Unmapped"],
tokenExpiresAt: new Date(Date.now() + 120_000),
};
},
diagnose: async () => undefined,
};
const store = {
createOidcState: async (input: Record<string, unknown>) => {
stateInputs.push(input);
const record = stateRecord({
nonce: input.nonce as string,
codeVerifier: input.codeVerifier as string,
authConfigRevision: input.authConfigRevision as string,
issuer: input.issuer as string,
});
if (options.stateReturnTo) (record as { returnTo: string }).returnTo = options.stateReturnTo;
storedState = record;
return { state, record: storedState };
},
consumeOidcState: async (received: string) => {
if (received !== state) return undefined;
const consumed = storedState;
storedState = undefined;
return consumed;
},
create: async (input: Record<string, unknown>) => {
creates.push(input);
return { token: "opaque-session-token", csrfToken: "c".repeat(43), record: {} };
},
} as unknown as AuthSessionStore;
const app = Fastify();
app.decorateRequest("authConfigSnapshot", undefined);
app.decorateRequest("authConfigSnapshotCaptured", false);
app.decorateRequest("authConfigSnapshotUnavailable", false);
app.register(cookie);
registerAuthRoutes(app, {
authMode: "oidc",
authentication: { current: () => loaded },
sessionStore: store,
resolveOidcProtocol: () => protocolAvailable ? protocol : undefined,
});
createdApps.push(app);
return {
app, creates, callbacks, stateInputs,
setConfig(next: LoadedAuthConfig) { loaded = next; },
setProtocolAvailable(available: boolean) { protocolAvailable = available; },
stateWasConsumed: () => storedState === undefined,
};
}
afterEach(async () => {
await Promise.all(createdApps.splice(0).map((app) => app.close()));
});
test("creates digest-only bound state, maps exact groups, creates a cookie session, and redirects safely", async () => {
const subject = fixture();
const start = await subject.app.inject({ method: "GET", url: "/auth/oidc/login" });
expect(start.statusCode).toBe(302);
expect(new URL(start.headers.location ?? "").searchParams.get("state")).toBe(state);
expect(subject.stateInputs[0]).toMatchObject({ returnTo: "/", authConfigRevision: revision, issuer });
const callback = await subject.app.inject({
method: "GET",
url: `/auth/oidc/callback?code=good&state=${state}`,
headers: { host: "attacker.example.test" },
});
expect(callback.statusCode).toBe(302);
expect(callback.headers.location).toBe("/");
expect(callback.headers["set-cookie"]).toContain("HttpOnly");
expect(callback.headers["set-cookie"]).toContain("SameSite=Lax");
expect(callback.headers["set-cookie"]).toContain("Secure");
expect(subject.callbacks[0]?.href).toBe(`https://thothii.example.test/api/auth/oidc/callback?code=good&state=${state}`);
expect(subject.creates).toHaveLength(1);
expect(subject.creates[0]).toMatchObject({
method: "oidc", remembered: false, authConfigRevision: revision,
principal: { issuer, subject: "user-123", roles: ["user", "admin"] },
idleTtlMs: 300_000,
});
const absoluteTtlMs = subject.creates[0]?.absoluteTtlMs;
expect(typeof absoluteTtlMs).toBe("number");
expect(absoluteTtlMs as number).toBeGreaterThan(0);
expect(absoluteTtlMs as number).toBeLessThanOrEqual(120_000);
expect(JSON.stringify(subject.creates)).not.toContain("access-token-must-not-leak");
expect(JSON.stringify(subject.creates)).not.toContain("refresh-token-must-not-leak");
});
test("consumes state on callback failure and refuses replay", async () => {
const subject = fixture({ callbackFailure: true });
await subject.app.inject({ method: "GET", url: "/auth/oidc/login" });
const failed = await subject.app.inject({ method: "GET", url: `/auth/oidc/callback?code=good&state=${state}` });
expect(failed.statusCode).toBe(401);
const replay = await subject.app.inject({ method: "GET", url: `/auth/oidc/callback?code=good&state=${state}` });
expect(replay.statusCode).toBe(401);
expect(subject.callbacks).toHaveLength(1);
});
test("consumes state when the protocol becomes unavailable before callback", async () => {
const subject = fixture();
await subject.app.inject({ method: "GET", url: "/auth/oidc/login" });
subject.setProtocolAvailable(false);
const failed = await subject.app.inject({ method: "GET", url: `/auth/oidc/callback?code=good&state=${state}` });
expect(failed.statusCode).toBe(401);
expect(subject.stateWasConsumed()).toBe(true);
});
test("rejects a consumed state with a non-root return target", async () => {
const subject = fixture({ stateReturnTo: "https://attacker.example.test" });
await subject.app.inject({ method: "GET", url: "/auth/oidc/login" });
const callback = await subject.app.inject({ method: "GET", url: `/auth/oidc/callback?code=good&state=${state}` });
expect(callback.statusCode).toBe(401);
expect(subject.callbacks).toEqual([]);
expect(subject.creates).toEqual([]);
});
test("rejects an OIDC state when its configuration revision changes before callback", async () => {
const subject = fixture();
await subject.app.inject({ method: "GET", url: "/auth/oidc/login" });
subject.setConfig({ ...config(), revision: "b".repeat(64) });
const callback = await subject.app.inject({ method: "GET", url: `/auth/oidc/callback?code=good&state=${state}` });
expect(callback.statusCode).toBe(401);
expect(subject.callbacks).toEqual([]);
});
test("rejects an OIDC state when its issuer changes before callback", async () => {
const subject = fixture();
await subject.app.inject({ method: "GET", url: "/auth/oidc/login" });
const previous = config();
subject.setConfig({
...previous,
value: { ...previous.value, oidc: { ...previous.value.oidc, issuer: "https://other.example.test" } },
} as LoadedAuthConfig);
const callback = await subject.app.inject({ method: "GET", url: `/auth/oidc/callback?code=good&state=${state}` });
expect(callback.statusCode).toBe(401);
expect(subject.callbacks).toEqual([]);
});
test("creates an authenticated but forbidden principal for extra unmapped groups", async () => {
const subject = fixture({ identity: {
issuer, subject: "user-123", groups: ["Unmapped"], tokenExpiresAt: new Date(Date.now() + 60_000),
} });
await subject.app.inject({ method: "GET", url: "/auth/oidc/login" });
const callback = await subject.app.inject({ method: "GET", url: `/auth/oidc/callback?code=good&state=${state}` });
expect(callback.statusCode).toBe(302);
expect(subject.creates[0]).toMatchObject({ principal: { roles: [], permissions: [], isAdmin: false } });
});