115 lines
4.1 KiB
TypeScript
115 lines
4.1 KiB
TypeScript
import type { AddressInfo } from "node:net";
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import fs from "node:fs/promises";
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import path from "node:path";
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import { afterAll, beforeAll, describe, expect, it, vi } from "vitest";
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const MEDIA_DIR = path.join(process.cwd(), "tmp-media-test");
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const cleanOldMedia = vi.fn().mockResolvedValue(undefined);
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vi.mock("./store.js", async (importOriginal) => {
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const actual = await importOriginal<typeof import("./store.js")>();
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return {
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...actual,
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getMediaDir: () => MEDIA_DIR,
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cleanOldMedia,
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};
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});
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const { startMediaServer } = await import("./server.js");
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const { MEDIA_MAX_BYTES } = await import("./store.js");
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const waitForFileRemoval = async (file: string, timeoutMs = 200) => {
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const start = Date.now();
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while (Date.now() - start < timeoutMs) {
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try {
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await fs.stat(file);
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} catch {
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return;
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}
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await new Promise((resolve) => setTimeout(resolve, 5));
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}
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throw new Error(`timed out waiting for ${file} removal`);
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};
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describe("media server", () => {
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beforeAll(async () => {
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await fs.rm(MEDIA_DIR, { recursive: true, force: true });
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await fs.mkdir(MEDIA_DIR, { recursive: true });
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});
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afterAll(async () => {
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await fs.rm(MEDIA_DIR, { recursive: true, force: true });
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});
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it("serves media and cleans up after send", async () => {
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const file = path.join(MEDIA_DIR, "file1");
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await fs.writeFile(file, "hello");
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const server = await startMediaServer(0, 5_000);
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const port = (server.address() as AddressInfo).port;
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const res = await fetch(`http://localhost:${port}/media/file1`);
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expect(res.status).toBe(200);
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expect(await res.text()).toBe("hello");
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await waitForFileRemoval(file);
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await new Promise((r) => server.close(r));
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});
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it("expires old media", async () => {
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const file = path.join(MEDIA_DIR, "old");
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await fs.writeFile(file, "stale");
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const past = Date.now() - 10_000;
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await fs.utimes(file, past / 1000, past / 1000);
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const server = await startMediaServer(0, 1_000);
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const port = (server.address() as AddressInfo).port;
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const res = await fetch(`http://localhost:${port}/media/old`);
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expect(res.status).toBe(410);
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await expect(fs.stat(file)).rejects.toThrow();
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await new Promise((r) => server.close(r));
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});
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it("blocks path traversal attempts", async () => {
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const server = await startMediaServer(0, 5_000);
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const port = (server.address() as AddressInfo).port;
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// URL-encoded "../" to bypass client-side path normalization
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const res = await fetch(`http://localhost:${port}/media/%2e%2e%2fpackage.json`);
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expect(res.status).toBe(400);
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expect(await res.text()).toBe("invalid path");
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await new Promise((r) => server.close(r));
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});
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it("blocks symlink escaping outside media dir", async () => {
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const target = path.join(process.cwd(), "package.json"); // outside MEDIA_DIR
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const link = path.join(MEDIA_DIR, "link-out");
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await fs.symlink(target, link);
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const server = await startMediaServer(0, 5_000);
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const port = (server.address() as AddressInfo).port;
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const res = await fetch(`http://localhost:${port}/media/link-out`);
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expect(res.status).toBe(400);
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expect(await res.text()).toBe("invalid path");
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await new Promise((r) => server.close(r));
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});
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it("rejects invalid media ids", async () => {
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const file = path.join(MEDIA_DIR, "file2");
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await fs.writeFile(file, "hello");
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const server = await startMediaServer(0, 5_000);
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const port = (server.address() as AddressInfo).port;
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const res = await fetch(`http://localhost:${port}/media/invalid%20id`);
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expect(res.status).toBe(400);
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expect(await res.text()).toBe("invalid path");
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await new Promise((r) => server.close(r));
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});
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it("rejects oversized media files", async () => {
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const file = path.join(MEDIA_DIR, "big");
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await fs.writeFile(file, "");
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await fs.truncate(file, MEDIA_MAX_BYTES + 1);
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const server = await startMediaServer(0, 5_000);
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const port = (server.address() as AddressInfo).port;
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const res = await fetch(`http://localhost:${port}/media/big`);
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expect(res.status).toBe(413);
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expect(await res.text()).toBe("too large");
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await new Promise((r) => server.close(r));
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});
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});
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