poznan-sm-submit/src/index.ts

import { promisify } from "util";
import spawn from "async-spawner";
import FormData from "form-data";
import axios from "axios";
import tough from "tough-cookie";
import fs from "fs";
import axiosCookieJarSupport from "axios-cookiejar-support";
import * as path from "path";

import { LocationData, toCityCoordinates } from "./location";
import months from "./months";

axiosCookieJarSupport(axios);

const SM_URL =
	"https://www.um.poznan.pl/mim/forms/sm_zgloszenia.html?instance=poznan_sm";

const headers = {
	Accept:
		"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8",
	Host: "www.um.poznan.pl",
	Origin: "https://www.um.poznan.pl",
	Referer:
		"https://www.um.poznan.pl/mim/forms/sm_zgloszenia.html?instance=poznan_sm",
	"User-Agent":
		"Mozilla/5.0 (X11; Linux x86_64; rv:72.0) Gecko/20100101 Firefox/72.0",
};

const minimal_data = {
	lhs: "eurzad",
	instance: "poznan_sm",
};

function formatTimestamp(timestamp: Date) {
	const date_str = `${timestamp.getDate()} ${
		months[timestamp.getMonth()]
	} ${timestamp.getFullYear()}`;
	const time = `${timestamp.getHours()}:${
		timestamp.getMinutes() < 10 ? "0" : ""
	}${timestamp.getMinutes()}`;
	return [date_str, time];
}

type ContactDetails = {
	email: string;
	imie_nazwisko: string;
	adres: string;
};

export async function submit(
	location: LocationData,
	reason: string,
	photos: Array<string>,
	timestamp: Date,
	contact_details: ContactDetails,
	plate: string
) {
	if (location.address.includes("\n")) {
		throw new Error("no newlines allowed in address");
	}
	const { x, y } = toCityCoordinates(location.coordinates);

	const jar = new tough.CookieJar();

	const transport = axios.create({
		withCredentials: true,
	});

	await transport.get(SM_URL, {
		headers,
		jar,
	});

	const subject = `Nieprawidłowo zaparkowany samochód - ${location.address}`;

	const [date_str, hour] = formatTimestamp(timestamp);

	const body = `Samochód ${
		reason || ""
	}. Numer rejestracyjny samochodu: ${plate} Zdjęci${
		photos.length === 1 ? "e" : "a"
	} wykonane ${date_str} o godz. ${hour} w pobliżu ul. ${
		location.address
	}. Wnoszę o ukaranie.
		`;

	const main_data = {
		...minimal_data,
		srs: "EPSG:2177",
		uz_process_personal_data_agreement: "Y",
		uz_kategoria: 86808,
		uz_temat: subject,
		uz_tresc: body,
		uz_email: contact_details.email,
		uz_odpowiedz: "tak",
		uz_imie_nazwisko: contact_details.imie_nazwisko,
		uz_adres: contact_details.adres,
	};

	const forms = [
		{
			...main_data,
			source: "sm_zgloszenia_step1",
			goto_sm_zgloszenia_step1_1: "",
		},
		{
			source: "sm_zgloszenia_step1_1",
			x,
			y,
			lon: x,
			lat: y,
			srs: "EPSG:2177",
			id_ulica_city: "Poznań",
			srs_id: "EPSG:2177",
			id_ulica_street_lookup: "Limanowskiego",
			goto_sm_zgloszenia_step1: "",
		},
		{ ...main_data, goto_sm_zgloszenia_step1_2: "" },
		...photos.map((file_path) => ({
			...minimal_data,
			source: "sm_zgloszenia_step1_2",
			goto_sm_zgloszenia_step1_2: "",
			uz_file: {
				path: file_path,
				filename: "photo1.jpg",
				contentType: "image/jpeg",
			},
		})),
		{
			...minimal_data,
			source: "sm_zgloszenia_step1_2",
			goto_sm_zgloszenia_step1: "",
		},
		{ ...main_data, source: "sm_zgloszenia_step1", goto_summary: "" },
	];

	for (let form of forms) {
		const formData = new FormData();
		for (let [key, value] of Object.entries(form)) {
			if (value.path) {
				formData.append(key, fs.createReadStream(value.path), {
					filename: value.filename,
					contentType: value.contentType,
				});
			} else {
				formData.append(key, value);
			}
		}
		const response = await transport.post(SM_URL, formData, {
			headers: { ...headers, ...formData.getHeaders() },
			jar,
		});
		console.log(response.request._headers);
	}
	const session_id = (jar as any).store.idx["www.um.poznan.pl"]["/mim"]
		.JSESSIONID.value;

	const response = await spawn("curl", [
		"https://www.um.poznan.pl/mim/forms/sm_zgloszenia.html?instance=poznan_sm",
		"-H",
		`User-Agent: ${headers["User-Agent"]}`,
		"-H",
		`Accept: ${headers.Accept}`,
		"-H",
		"Accept-Language: en-US,en;q=0.5",
		"--compressed",
		"-H",
		"Content-Type: application/x-www-form-urlencoded",
		"-H",
		`Origin: ${headers.Origin}`,
		"-H",
		"DNT: 1",
		"-H",
		"Connection: keep-alive",
		"-H",
		`Referer: ${headers.Referer}`,
		"-H",
		`Cookie: mim_cookie_test=enabled; JSESSIONID=${session_id}`,
		"-H",
		"Upgrade-Insecure-Requests: 1",
		"--data",
		`action=save&source=summary&instance=poznan_sm&x=${x}&y=${y}&lon=${x}&lat=${y}&srs=EPSG%3A2177&goto_thanks=`,
	]);
	const matches = response.match(
		/<li>Numer: <strong>([0-9]+)<\/strong><\/li>/
	);
	if (matches === null) {
		throw new Error("Could not extract submission number");
	}
	return matches[1];
}