Files
openclaw/extensions/line/src/download.test.ts
2026-03-28 03:57:46 +00:00

111 lines
3.7 KiB
TypeScript

import fs from "node:fs";
import path from "node:path";
import { resolvePreferredOpenClawTmpDir } from "openclaw/plugin-sdk/temp-path";
import { beforeEach, describe, expect, it, vi } from "vitest";
const getMessageContentMock = vi.hoisted(() => vi.fn());
vi.mock("@line/bot-sdk", () => ({
messagingApi: {
MessagingApiBlobClient: class {
getMessageContent(messageId: string) {
return getMessageContentMock(messageId);
}
},
},
}));
vi.mock("openclaw/plugin-sdk/runtime-env", () => ({
createSubsystemLogger: () => {
const logger = {
debug: () => {},
info: () => {},
warn: () => {},
error: () => {},
child: () => logger,
};
return logger;
},
logVerbose: () => {},
}));
let downloadLineMedia: typeof import("./download.js").downloadLineMedia;
async function* chunks(parts: Buffer[]): AsyncGenerator<Buffer> {
for (const part of parts) {
yield part;
}
}
describe("downloadLineMedia", () => {
beforeEach(async () => {
vi.restoreAllMocks();
vi.resetModules();
getMessageContentMock.mockReset();
({ downloadLineMedia } = await import("./download.js"));
});
it("does not derive temp file path from external messageId", async () => {
const messageId = "a/../../../../etc/passwd";
const jpeg = Buffer.from([0xff, 0xd8, 0xff, 0x00]);
getMessageContentMock.mockResolvedValueOnce(chunks([jpeg]));
const writeSpy = vi.spyOn(fs.promises, "writeFile").mockResolvedValueOnce(undefined);
const result = await downloadLineMedia(messageId, "token");
const writtenPath = writeSpy.mock.calls[0]?.[0];
expect(result.size).toBe(jpeg.length);
expect(result.contentType).toBe("image/jpeg");
expect(typeof writtenPath).toBe("string");
if (typeof writtenPath !== "string") {
throw new Error("expected string temp file path");
}
expect(result.path).toBe(writtenPath);
expect(writtenPath).toContain("line-media-");
expect(writtenPath).toMatch(/\.jpg$/);
expect(writtenPath).not.toContain(messageId);
expect(writtenPath).not.toContain("..");
const tmpRoot = path.resolve(resolvePreferredOpenClawTmpDir());
const rel = path.relative(tmpRoot, path.resolve(writtenPath));
expect(rel === ".." || rel.startsWith(`..${path.sep}`)).toBe(false);
});
it("rejects oversized media before writing to disk", async () => {
getMessageContentMock.mockResolvedValueOnce(chunks([Buffer.alloc(4), Buffer.alloc(4)]));
const writeSpy = vi.spyOn(fs.promises, "writeFile").mockResolvedValue(undefined);
await expect(downloadLineMedia("mid", "token", 7)).rejects.toThrow(/Media exceeds/i);
expect(writeSpy).not.toHaveBeenCalled();
});
it("classifies M4A ftyp major brand as audio/mp4", async () => {
const m4aHeader = Buffer.from([
0x00, 0x00, 0x00, 0x1c, 0x66, 0x74, 0x79, 0x70, 0x4d, 0x34, 0x41, 0x20,
]);
getMessageContentMock.mockResolvedValueOnce(chunks([m4aHeader]));
const writeSpy = vi.spyOn(fs.promises, "writeFile").mockResolvedValueOnce(undefined);
const result = await downloadLineMedia("mid-audio", "token");
const writtenPath = writeSpy.mock.calls[0]?.[0];
expect(result.contentType).toBe("audio/mp4");
expect(result.path).toMatch(/\.m4a$/);
expect(writtenPath).toBe(result.path);
});
it("detects MP4 video from ftyp major brand (isom)", async () => {
const mp4 = Buffer.from([
0x00, 0x00, 0x00, 0x1c, 0x66, 0x74, 0x79, 0x70, 0x69, 0x73, 0x6f, 0x6d,
]);
getMessageContentMock.mockResolvedValueOnce(chunks([mp4]));
vi.spyOn(fs.promises, "writeFile").mockResolvedValueOnce(undefined);
const result = await downloadLineMedia("mid-mp4", "token");
expect(result.contentType).toBe("video/mp4");
expect(result.path).toMatch(/\.mp4$/);
});
});