90 lines
4.5 KiB
JavaScript
90 lines
4.5 KiB
JavaScript
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"use strict";
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var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
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if (k2 === undefined) k2 = k;
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var desc = Object.getOwnPropertyDescriptor(m, k);
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if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
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desc = { enumerable: true, get: function() { return m[k]; } };
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}
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Object.defineProperty(o, k2, desc);
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}) : (function(o, m, k, k2) {
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if (k2 === undefined) k2 = k;
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o[k2] = m[k];
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}));
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var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
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Object.defineProperty(o, "default", { enumerable: true, value: v });
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}) : function(o, v) {
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o["default"] = v;
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});
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var __importStar = (this && this.__importStar) || (function () {
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var ownKeys = function(o) {
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ownKeys = Object.getOwnPropertyNames || function (o) {
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var ar = [];
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for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
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return ar;
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};
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return ownKeys(o);
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};
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return function (mod) {
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if (mod && mod.__esModule) return mod;
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var result = {};
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if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
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__setModuleDefault(result, mod);
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return result;
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};
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})();
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Object.defineProperty(exports, "__esModule", { value: true });
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// The verifier under test is pure (crypto only), so we stub the Firebase side-effect
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// imports that run at module load rather than exercising them.
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jest.mock('firebase-functions/v2/https', () => ({ onRequest: jest.fn() }));
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jest.mock('firebase-functions/params', () => ({ defineSecret: jest.fn(() => ({})) }));
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jest.mock('../log', () => ({ logger: { log: jest.fn(), error: jest.fn(), warn: jest.fn() } }));
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jest.mock('./entitlementLogic', () => ({ applyEntitlementEvent: jest.fn() }));
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const crypto = __importStar(require("crypto"));
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const revenueCatWebhook_1 = require("./revenueCatWebhook");
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const SECRET = 'whsec_test_shared_secret';
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const NOW = 1700000000000; // fixed "now" in ms
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const nowSec = Math.floor(NOW / 1000);
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const BODY = JSON.stringify({ event: { type: 'INITIAL_PURCHASE', app_user_id: 'uid1' } });
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/** Build the header RevenueCat would send: `t=<sec>,v1=<hmac_sha256_hex of "<sec>.<body>">`. */
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function sign(body, tsSec, secret = SECRET) {
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const raw = Buffer.isBuffer(body) ? body : Buffer.from(body, 'utf8');
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const payload = Buffer.concat([Buffer.from(`${tsSec}.`, 'utf8'), raw]);
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const v1 = crypto.createHmac('sha256', secret).update(payload).digest('hex');
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return `t=${tsSec},v1=${v1}`;
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}
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function verify(overrides = {}) {
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return (0, revenueCatWebhook_1.verifyWebhookSignature)(Object.assign({ rawBody: Buffer.from(BODY), header: sign(BODY, nowSec), secret: SECRET, nowMs: NOW }, overrides));
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}
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describe('verifyWebhookSignature', () => {
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it('accepts a valid signature', () => {
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expect(() => verify()).not.toThrow();
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});
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it('accepts a timestamp within the tolerance window', () => {
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expect(() => verify({ header: sign(BODY, nowSec - 4 * 60) })).not.toThrow();
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});
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it('rejects a tampered body', () => {
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expect(() => verify({ rawBody: Buffer.from(BODY + ' ') })).toThrow(revenueCatWebhook_1.AuthError);
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});
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it('rejects a signature made with the wrong secret', () => {
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expect(() => verify({ header: sign(BODY, nowSec, 'wrong-secret') })).toThrow(revenueCatWebhook_1.AuthError);
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});
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it('rejects a missing header', () => {
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expect(() => verify({ header: undefined })).toThrow(revenueCatWebhook_1.AuthError);
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});
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it('rejects a missing body', () => {
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expect(() => verify({ rawBody: undefined })).toThrow(revenueCatWebhook_1.AuthError);
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});
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it('rejects a header missing v1', () => {
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expect(() => verify({ header: `t=${nowSec}` })).toThrow(revenueCatWebhook_1.AuthError);
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});
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it('rejects a stale timestamp (replay guard)', () => {
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expect(() => verify({ header: sign(BODY, nowSec - 10 * 60) })).toThrow(revenueCatWebhook_1.AuthError);
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});
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it('rejects a far-future timestamp', () => {
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expect(() => verify({ header: sign(BODY, nowSec + 10 * 60) })).toThrow(revenueCatWebhook_1.AuthError);
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});
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it('rejects a wrong-length signature without crashing (timingSafeEqual guard)', () => {
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expect(() => verify({ header: `t=${nowSec},v1=deadbeef` })).toThrow(revenueCatWebhook_1.AuthError);
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});
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});
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//# sourceMappingURL=revenueCatWebhook.test.js.map
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