passkit-generator/examples/expiration.ts

/**
 * .void() and .expiration() methods example
 * To check if a ticket is void, look at the barcode;
 * If it is grayed, the ticket is voided. May not be showed on macOS.
 *
 * To check if a ticket has an expiration date, you'll
 * have to wait two minutes.
 *
 */

import app from "./webserver";
import { createPass } from "passkit-generator";
import path from "path";

app.all(async function manageRequest(request, response) {
	if (!request.query.fn) {
		response.send(
			"<a href='?fn=void'>Generate a voided pass.</a><br><a href='?fn=expiration'>Generate a pass with expiration date</a>",
		);
		return;
	}

	let passName =
		request.params.modelName +
		"_" +
		new Date().toISOString().split("T")[0].replace(/-/gi, "");

	try {
		let pass = await createPass({
			model: path.resolve(
				__dirname,
				`../models/${request.params.modelName}`,
			),
			certificates: {
				wwdr: path.resolve(__dirname, "../../certificates/WWDR.pem"),
				signerCert: path.resolve(
					__dirname,
					"../../certificates/signerCert.pem",
				),
				signerKey: {
					keyFile: path.resolve(
						__dirname,
						"../../certificates/signerKey.pem",
					),
					passphrase: "123456",
				},
			},
			overrides: request.body || request.params || request.query,
		});

		if (request.query.fn === "void") {
			pass.void();
		} else if (request.query.fn === "expiration") {
			// 2 minutes later...
			const d = new Date();
			d.setMinutes(d.getMinutes() + 2);

			// setting the expiration
			pass.expiration(d);
		}

		const stream = pass.generate();
		response.set({
			"Content-type": "application/vnd.apple.pkpass",
			"Content-disposition": `attachment; filename=${passName}.pkpass`,
		});

		stream.pipe(response);
	} catch (err) {
		console.log(err);

		response.set({
			"Content-type": "text/html",
		});

		response.send(err.message);
	}
});