ddgmail/index.js

An unofficial CLI for DuckDuckGo Email Protection.

#!/usr/bin/env node

/**
 * ddgmail
 * An unofficial CLI for DuckDuckGo Email Protection.
 *
 * @author lem6ns <lem6ns.github.io>
 */

import init from "./utils/init.js";
import cli from "./utils/cli.js";
import fetch, { FormData } from "node-fetch";
import inquirer from "inquirer";
import alert from "cli-alerts";
import clipboard from "clipboardy";
import ora from "ora";
import fs from "fs";
import launch from "launch-editor";
import Fuse from "fuse.js";

const input = cli.input;
const flags = cli.flags;
const { username, noClipboard } = flags;
const API_URL = "https://quack.duckduckgo.com/api";
const userDataFolder =
	process.env.APPDATA ||
	(process.platform == "darwin"
		? process.env.HOME + "/Library/Preferences"
		: process.env.HOME + "/.local/share");
const settingsFolder = `${userDataFolder}/lemons/ddgmail`;
const settingsFile = `${settingsFolder}/settings.json`;

// #region APIs
function checkSettingsAndCreateSettingsFileIfUnexistent() {
	if (!fs.existsSync(settingsFile)) createSettingsFile();
}

function createSettingsFile() {
	fs.mkdirSync(settingsFolder, { recursive: true });
	fs.writeFileSync(
		settingsFile,
		JSON.stringify({
			username: "",
			accessToken: "",
			generatedEmails: [],
			amountGenerated: 0,
			waitlist: {
				timestamp: 0,
				token: "",
				code: ""
			}
		}),
		null,
		4
	);
}

const settings = {
	getSetting: key => {
		checkSettingsAndCreateSettingsFileIfUnexistent();
		const settings = JSON.parse(fs.readFileSync(settingsFile));
		return settings[key];
	},
	changeSetting: (key, value) => {
		checkSettingsAndCreateSettingsFileIfUnexistent();
		const settings = JSON.parse(fs.readFileSync(settingsFile));
		const oldSettings = settings;
		settings[key] = value;
		fs.writeFileSync(settingsFile, JSON.stringify(settings, null, 4));
		return { oldSettings, newSettings: settings };
	},
	getAllSettings: () => {
		checkSettingsAndCreateSettingsFileIfUnexistent();
		return JSON.parse(fs.readFileSync(settingsFile));
	}
};

const email = {
	private: {
		create: async (accessToken, category) => {
			let { address } = await fetch(`${API_URL}/email/addresses`, {
				method: "POST",
				headers: {
					Authorization: "Bearer " + accessToken
				}
			}).then(r => r.json());
			if (!address)
				return alert({ type: `error`, msg: `Something went wrong.` });

			address = `${address}@duck.com`;
			settings.changeSetting(
				"amountGenerated",
				settings.getSetting("amountGenerated") + 1
			);
			settings.changeSetting("generatedEmails", [
				...settings.getSetting("generatedEmails"),
				{ category, address }
			]);
			if (settings.getSetting("accessToken") !== accessToken)
				settings.changeSetting("accessToken", accessToken);
			return `${address}`;
		},
		getEmailAmount: async username => {
			return (await auth(username)).stats["addresses_generated"];
		}
	},
	signUp: async (code, forwardingEmail, emailChoice) => {}
};

const waitlist = {
	join: async () => {
		const waitlistSettings = settings.getSetting("waitlist");
		let overwrite = false;
		if (waitlistSettings.token && waitlistSettings.timestamp) {
			overwrite = await inquirer
				.prompt([
					{
						type: "confirm",
						name: "overwrite",
						message:
							"You already have joined the waitlist. Overwrite?"
					}
				])
				.then(answer => answer.overwrite);
		}
		if (!overwrite) return;
		const spinner = ora("Joining waitlist...").start();
		const waitlist = await fetch(`${API_URL}/auth/waitlist/join`, {
			method: "POST"
		}).then(r => r.json());
		const { timestamp, token } = waitlist;

		let currentWaitlistSettings = settings.getSetting("waitlist");
		currentWaitlistSettings.timestamp = timestamp;
		currentWaitlistSettings.token = token;
		settings.changeSetting("waitlist", currentWaitlistSettings);

		spinner.succeed(`Successfully joined waitlist.`);
		return waitlist;
	},
	check: async () => {
		const waitlist = settings.getSetting("waitlist");
		if (!waitlist.timestamp)
			return alert({
				type: `error`,
				msg: `You have not joined the waitlist. Use the join command.`
			});
		const { timestamp } = await fetch(
			`https://quack.duckduckgo.com/api/auth/waitlist/status`
		).then(r => r.json());
		if (timestamp >= waitlist.timestamp) {
			return alert({
				type: `info`,
				msg: `You might be able to get a invite code. Use the get-code command.`
			});
		}
		return alert({
			type: `info`,
			msg: `You are not able to get an invite code yet. Try again later.`
		});
	},
	getCode: async () => {
		const waitlist = settings.getSetting("waitlist");
		if (!waitlist.timestamp)
			return alert({
				type: `error`,
				msg: `You have not joined the waitlist. Use the join command.`
			});
		const code = await fetch(
			`https://quack.duckduckgo.com/api/auth/waitlist/code`,
			{
				method: "POST",
				body: {
					token: waitlist.token
				}
			}
		).then(r => r.json());
		if (JSON.stringify(code) === "{}")
			return alert({
				type: `error`,
				msg: `Failed to get code. Use the check command if you are able to get one in the future.`
			});

		console.log(code);
	}
};

async function changeForwardingAddress(newAddress, user) {
	if (username) user = username;

	await fetch(
		`https://quack.duckduckgo.com/api/auth/confirmlink?&action=change_email_address&user=${user}&action=change_email_address&username=${user}`
	);
	alert({
		type: `info`,
		msg: `Please check your email for an OTP code from DuckDuckGo. This code is only sent to DuckDuckGo, nowhere else.`
	});
	let { otp } = await inquirer.prompt([
		{
			type: "input",
			name: "otp",
			message: "Enter OTP code:",
			validate: value => {
				if (value.trim().split(" ").length === 4) {
					return true;
				}
			}
		}
	]);
	otp = otp.trim().replace(/ /g, "+");

	const spinner = ora("Authenticating").start();

	const authResp = await fetch(
		`https://quack.duckduckgo.com/api/auth/confirm?action=change_email_address&otp=${otp}&user=${user}`
	).then(r => r.json());
	if (authResp.status != "authenticated")
		return spinner.fail("An error occured (Invalid OTP Error)");

	const dashboardResp = await fetch(`${API_URL}/email/dashboard`, {
		headers: {
			Authorization: `Bearer ${authResp.token}`
		}
	}).then(r => r.json());

	if (dashboardResp.error) {
		return alert({ type: "error", msg: JSON.stringify(dashboardResp) });
	}
	spinner.succeed("Authentication successful!");

	const validateEmail = await fetch(
		`${API_URL}/api/auth/validate-email-address?email=${newAddress}`
	).then(r => r.json());
	if (validateEmail.error)
		return alert({
			type: "error",
			msg: `Something went wrong. (${validateEmail.error})`
		});

	const formData = new FormData();
	formData.set("email", newAddress);
	formData.set("disable_secure_reply", 0);

	const changeEmailResp = await fetch(
		`${API_URL}/email/change-email-address`,
		{
			method: "POST",
			headers: {
				Authorization: `Bearer ${authResp.token}`
			},
			body: formData
		}
	).then(r => r.json());
	if (changeEmailResp.status != "changed")
		return alert({
			type: "error",
			msg: `Something went wrong. (${JSON.stringify(changeEmailResp)})`
		});

	return alert({
		type: "success",
		msg: `Your forwarding address has been changed to ${newAddress} successfully.`
	});
}

async function auth(user) {
	if (username) user = username;

	// send request to duckduckgo to send OTP to user
	await fetch(`${API_URL}/auth/loginlink?user=${user}`); // {}
	alert({
		type: `info`,
		msg: `Please check your email for an OTP code from DuckDuckGo. This code is only sent to DuckDuckGo, nowhere else.`
	});
	let { otp } = await inquirer.prompt([
		{
			type: "input",
			name: "otp",
			message: "Enter OTP code:",
			validate: value => {
				if (value.trim().split(" ").length === 4) {
					return true;
				}
			}
		}
	]);
	otp = otp.replace(/ /g, "+").trim();

	const spinner = ora("Authenticating").start();

	const authResp = await fetch(
		`${API_URL}/auth/login?otp=${otp}&user=${user}`
	).then(r => r.json());
	if (authResp.status == "authenticated") {
		const dashboardResp = await fetch(`${API_URL}/email/dashboard`, {
			headers: {
				Authorization: `Bearer ${authResp.token}`
			}
		}).then(r => r.json());

		if (dashboardResp.error) {
			return alert({ type: "error", msg: JSON.stringify(dashboardResp) });
		}

		spinner.succeed("Authentication successful!");
		settings.changeSetting("username", user);
		settings.changeSetting(
			"accessToken",
			dashboardResp.user["access_token"]
		);
		alert({
			type: `success`,
			msg: `Set username & accessToken successfully.`
		});
		return dashboardResp;
	}

	spinner.fail("An error occured (Invalid OTP Error)");
	return authResp;
}

async function getUsername() {
	if (username) {
		settings.changeSetting("username", username);
		return username;
	}
	if (settings.getSetting("username")) return settings.getSetting("username");
	const user = await inquirer
		.prompt([
			{
				type: "input",
				name: "username",
				message: "Enter duck.com username:"
			}
		])
		.then(answer => answer.username);

	settings.changeSetting("username", user);
	return user;
}
// #endregion

(async () => {
	init();
	checkSettingsAndCreateSettingsFileIfUnexistent();
	if (input.length == 0) cli.showHelp(0);

	for (const argument of input) {
		switch (argument) {
			case `help`:
				cli.showHelp(0);
				break;

			// #region Email
			case "new":
				const { category } = flags;
				let accessToken;
				if (flags.accessToken) {
					accessToken = flags.accessToken;
				} else if (settings.getSetting("accessToken")) {
					accessToken = settings.getSetting("accessToken");
				} else {
					const user = await getUsername();
					accessToken = (await auth(user)).user["access_token"];
				}

				const address = await email.private.create(
					accessToken,
					category
				);
				alert({
					type: `success`,
					msg: `Successfully created a private email address (${address})${
						category !== "E-Mail"
							? ` with the category ${category}`
							: ""
					}. ${
						!noClipboard
							? "It has been copied to your clipboard."
							: ""
					}`
				});
				if (!noClipboard) clipboard.writeSync(address);
				break;

			case "amount":
				const name = await getUsername();
				const amount = await email.private.getEmailAmount(name);
				alert({
					type: `success`,
					msg: `You have generated ${amount} private email addresses, and have generated ${settings.getSetting(
						"amountGenerated"
					)} using this tool.`
				});
				break;

			case "emails":
				const emails = settings.getSetting("generatedEmails");
				if (emails.length == 0) {
					return alert({
						type: `error`,
						msg: `You have not generated any private email addresses yet.`
					});
				}
				console.table(emails);
				break;

			case "category-change":
				let { cat, index } = await inquirer.prompt([
					{
						type: "input",
						name: "cat",
						message: "Enter category:"
					},
					{
						type: "input",
						name: "index",
						message: "Enter index number:"
					}
				]);
				index = parseInt(index);

				settings.changeSetting(
					"generatedEmails",
					settings.getSetting("generatedEmails").map((email, i) => {
						if (i == index) email.category = cat;
						return email;
					})
				);

				alert({
					type: `success`,
					msg: `Successfully changed category of email address ${
						settings.getSetting("generatedEmails")[index].address
					} to ${cat}.`
				});
				break;

			case "category-search":
				const { cate } = await inquirer.prompt([
					{
						type: "input",
						name: "cate",
						message: "Enter category:"
					}
				]);
				const filteredEmails = new Fuse(
					settings.getSetting("generatedEmails"),
					{
						keys: ["category"]
					}
				)
					.search(cate)
					.map(i => i.item);
				console.table(filteredEmails);
				break;

			case "email-delete":
				let { i } = await inquirer.prompt([
					{
						type: "input",
						name: "i",
						message: "Enter index number:"
					}
				]);
				i = parseInt(i);

				settings.changeSetting(
					"generatedEmails",
					settings
						.getSetting("generatedEmails")
						.filter((email, index) => index != i)
				);
				break;

			case "change-forwarding-address":
				const usrname = await getUsername();
				const { newAddress } = await inquirer.prompt([
					{
						type: "input",
						name: "newAddress",
						message: "Enter your new forwarding address:"
					}
				]);
				return await changeForwardingAddress(newAddress, usrname);

			case "signup":
				break;
			// #endregion

			// #region Utils
			case "access":
				const user = await getUsername();
				const authResp = await auth(user);
				if (authResp.error)
					return alert({
						type: "error",
						msg: "An error occured (Invalid OTP Error)"
					});
				const token = authResp.user["access_token"];

				alert({
					type: `success`,
					msg: `Your access token is: "${token}". ${
						!noClipboard
							? "This has been copied to your clipboard."
							: ""
					}`
				});
				if (!noClipboard) clipboard.writeSync(token);
				break;

			case "auth":
				auth();
				break;
			// #endregion

			// #region config commands
			case "config":
				launch(settingsFile, "code");
				alert({
					type: `success`,
					msg: `Opened ${settingsFile} in your default editor.`
				});
				break;

			case "config-set":
				const { key, value } = await inquirer.prompt([
					{
						type: "input",
						name: "key",
						message: "Enter the key of the setting to change:"
					},
					{
						type: "input",
						name: "value",
						message: "Enter the new value of the setting:"
					}
				]);
				if (settings.getSetting(key) !== undefined) {
					settings.changeSetting(key, value);
					alert({
						type: `success`,
						msg: `Successfully changed setting "${key}" to "${value}".`
					});
				} else {
					alert({
						type: `error`,
						msg: `Setting "${key}" does not exist.`
					});
				}
				break;

			case "config-get":
				const keyName = await inquirer
					.prompt([
						{
							type: "input",
							name: "key",
							message: "Enter the key of the setting to get:"
						}
					])
					.then(answer => answer.key);
				const valueOut = settings.getSetting(keyName);
				if (valueOut !== undefined) {
					return alert({
						type: `success`,
						msg: `The value of the setting "${keyName}" is: "${JSON.stringify(
							valueOut
						)}".`
					});
				}
				return alert({
					type: `error`,
					msg: `The setting "${keyName}" does not exist.`
				});

			case "config-reset":
				const { reset } = await inquirer.prompt([
					{
						type: "confirm",
						name: "reset",
						message: "Are you sure you want to reset all settings?"
					}
				]);
				if (reset) createSettingsFile();
				break;

			case "config-table":
				const allSettings = settings.getAllSettings();
				const kv = Object.keys(allSettings).map(key => [
					key,
					allSettings[key]
				]);
				return console.table(kv);

			case "config-delete":
				const { del } = await inquirer.prompt([
					{
						type: "confirm",
						name: "del",
						message:
							"Are you sure you want to delete the config file? Note: Running ddgemail again will regenerate the config file."
					}
				]);
				if (del) {
					fs.unlinkSync(settingsFile);
					fs.rmSync(settingsFolder, { recursive: true });
					alert({
						type: `success`,
						msg: `Successfully deleted the config file.`
					});
				}
				break;
			// #endregion

			// #region Waitlist
			case `join`:
				waitlist.join();
				break;

			case `check`:
				waitlist.check();
				break;

			case `get-code`:
				waitlist.getCode();
				break;
			// #endregion

			default:
				cli.showHelp(0);
				break;
		}
	}
})();