feat: implement download_resume_pdf mcp tool

apps/server/src/http/resume-pdf.test.ts

@@ -0,0 +1,70 @@
+import { beforeEach, describe, expect, it, vi } from "vitest";
+
+const mocks = vi.hoisted(() => ({
+	createResumePdfDownload: vi.fn(),
+	verifyResumePdfDownloadToken: vi.fn(),
+}));
+
+vi.mock("@reactive-resume/api/features/resume/export", () => ({
+	createResumePdfDownload: mocks.createResumePdfDownload,
+	verifyResumePdfDownloadToken: mocks.verifyResumePdfDownloadToken,
+}));
+
+const { handleResumePdfDownload } = await import("./resume-pdf");
+
+describe("handleResumePdfDownload", () => {
+	beforeEach(() => {
+		vi.clearAllMocks();
+	});
+
+	it("renders the PDF when the signed URL token is valid", async () => {
+		const pdf = new File([new Uint8Array([37, 80, 68, 70])], "Scizor.pdf", { type: "application/pdf" });
+		mocks.verifyResumePdfDownloadToken.mockReturnValueOnce({
+			ok: true,
+			resumeId: "resume-1",
+			userId: "user-1",
+			expiresAt: "2026-06-01T10:10:00.000Z",
+		});
+		mocks.createResumePdfDownload.mockResolvedValueOnce({
+			headers: { "content-disposition": 'attachment; filename="Scizor.pdf"' },
+			body: pdf,
+		});
+
+		const response = await handleResumePdfDownload(
+			new Request("https://example.com/api/resumes/resume-1/pdf?token=signed"),
+			"resume-1",
+		);
+
+		expect(response.status).toBe(200);
+		expect(response.headers.get("Content-Type")).toBe("application/pdf");
+		expect(response.headers.get("Content-Disposition")).toBe('attachment; filename="Scizor.pdf"');
+		expect(response.headers.get("Cache-Control")).toBe("private, no-store");
+		expect(await response.text()).toBe("%PDF");
+		expect(mocks.createResumePdfDownload).toHaveBeenCalledWith({ id: "resume-1", userId: "user-1" });
+	});
+
+	it("rejects missing, invalid, and expired tokens before rendering", async () => {
+		let response = await handleResumePdfDownload(
+			new Request("https://example.com/api/resumes/resume-1/pdf"),
+			"resume-1",
+		);
+		expect(response.status).toBe(401);
+		expect(mocks.createResumePdfDownload).not.toHaveBeenCalled();
+
+		mocks.verifyResumePdfDownloadToken.mockReturnValueOnce({ ok: false, reason: "invalid_signature" });
+		response = await handleResumePdfDownload(
+			new Request("https://example.com/api/resumes/resume-1/pdf?token=bad"),
+			"resume-1",
+		);
+		expect(response.status).toBe(401);
+		expect(mocks.createResumePdfDownload).not.toHaveBeenCalled();
+
+		mocks.verifyResumePdfDownloadToken.mockReturnValueOnce({ ok: false, reason: "expired" });
+		response = await handleResumePdfDownload(
+			new Request("https://example.com/api/resumes/resume-1/pdf?token=expired"),
+			"resume-1",
+		);
+		expect(response.status).toBe(410);
+		expect(mocks.createResumePdfDownload).not.toHaveBeenCalled();
+	});
+});