Files
2026-07-25 13:38:18 +05:30

90 lines
2.5 KiB
TypeScript

import { describe, expect, test } from "bun:test";
import { captchaPageGate } from "../src/middleware.ts";
import type { CaptchaEngine } from "../src/types.ts";
function fakeEngine(): CaptchaEngine {
return {
provider: "self-hosted",
basePath: "/api/captcha",
async create() {
throw new Error("not used");
},
async verify() {
throw new Error("not used");
},
async verifyResponseToken(input) {
return input.responseToken === "verified-token"
? { success: true, provider: "self-hosted", action: input.action }
: { success: false, provider: "self-hosted", action: input.action, code: "invalid-input" };
},
async renderAudio() {
return undefined;
},
async gc() {},
};
}
function sessionFixture() {
const values = new Map<string, unknown>();
return {
id: () => "session-1",
get<T>(key: string): T | undefined {
return values.get(key) as T | undefined;
},
set<T>(key: string, value: T): void {
values.set(key, value);
},
delete(key: string): void {
values.delete(key);
},
};
}
describe("CAPTCHA page gate", () => {
test("accepts a verified form token and grants the protected route", async () => {
const session = sessionFixture();
const gate = captchaPageGate({
action: "protected-page-access",
engine: fakeEngine(),
challengePath: "/captcha",
policy: {
mode: "session",
verifiedForMs: 15 * 60_000,
routeGroups: ["/protected"],
},
});
const body = new URLSearchParams({
returnTo: "/protected",
"wrn-captcha-response": "verified-token",
});
const request = new Request("https://example.test/api/page-grant", {
method: "POST",
headers: { "content-type": "application/x-www-form-urlencoded" },
body,
});
const context = {
req: request,
url: new URL(request.url),
session,
ip: "127.0.0.1",
locals: {},
};
const granted = await gate(context, () =>
Response.redirect("https://example.test/protected", 303),
);
expect(granted.status).toBe(303);
const protectedRequest = new Request("https://example.test/protected");
const protectedContext = {
...context,
req: protectedRequest,
url: new URL(protectedRequest.url),
locals: {},
};
const allowed = await gate(protectedContext, () => new Response("unlocked"));
expect(await allowed.text()).toBe("unlocked");
});
});