New Captcha Package added

services/managed-captcha/test/service.test.ts

@@ -0,0 +1,74 @@
+import { describe, expect, test } from "bun:test";
+import { createCaptchaEngine, MemoryCaptchaStore, type CaptchaChallengeGenerator } from "@wrnexus/captcha/server";
+import { ManagedCaptchaService } from "../src/service.ts";
+
+let seed = 11;
+function randomBytes(length: number): Uint8Array {
+  const output = new Uint8Array(length);
+  for (let index = 0; index < length; index += 1) {
+    seed = (seed * 1103515245 + 12345) >>> 0;
+    output[index] = seed & 255;
+  }
+  return output;
+}
+
+const generator: CaptchaChallengeGenerator = {
+  type: "number",
+  generate: () => ({
+    type: "number",
+    presentation: "visual",
+    prompt: "Enter 7",
+    answer: "7",
+    answerKind: "text",
+    inputMode: "numeric",
+  }),
+};
+
+describe("managed CAPTCHA service", () => {
+  test("creates a project and completes the public-to-server flow", async () => {
+    const service = new ManagedCaptchaService({
+      adminToken: "a-long-admin-token-for-managed-captcha-tests",
+      baseUrl: "https://captcha.test",
+      randomBytes,
+      engineFactory: (project) => createCaptchaEngine({
+        secret: project.engineSecret,
+        store: new MemoryCaptchaStore(),
+        generators: [generator],
+        defaultType: "number",
+        minCompletionMs: 0,
+        randomBytes,
+      }),
+    });
+    const project = await service.createProject({ name: "Test", allowedHostnames: ["app.test"] });
+    const created = await service.handle(new Request("https://captcha.test/v1/challenges", {
+      method: "POST",
+      headers: { origin: "https://app.test", "content-type": "application/json" },
+      body: JSON.stringify({ siteKey: project.siteKey, action: "signup", type: "number" }),
+    }));
+    expect(created.status).toBe(201);
+    const challenge = await created.json() as { id: string; provider: string };
+    expect(challenge.provider).toBe("wrnexus-managed");
+
+    const solved = await service.handle(new Request("https://captcha.test/v1/solve", {
+      method: "POST",
+      headers: { origin: "https://app.test", "content-type": "application/json" },
+      body: JSON.stringify({ challengeId: challenge.id, action: "signup", answer: "7" }),
+    }));
+    expect(solved.status).toBe(200);
+    const solution = await solved.json() as { responseToken: string };
+
+    const verified = await service.handle(new Request("https://captcha.test/v1/verify", {
+      method: "POST",
+      headers: { authorization: `Bearer ${project.secretKey}`, "content-type": "application/json" },
+      body: JSON.stringify({ responseToken: solution.responseToken, action: "signup", hostname: "app.test" }),
+    }));
+    expect(verified.status).toBe(200);
+
+    const replay = await service.handle(new Request("https://captcha.test/v1/verify", {
+      method: "POST",
+      headers: { authorization: `Bearer ${project.secretKey}`, "content-type": "application/json" },
+      body: JSON.stringify({ responseToken: solution.responseToken, action: "signup", hostname: "app.test" }),
+    }));
+    expect(replay.status).toBe(400);
+  });
+});