Steam: Bypass age confirmation prompts

Suppresses age confirmations on Steam store pages and community hubs
当前为 2021-10-17 提交的版本，查看最新版本。
换行
// ==UserScript==
// @name         Steam: Bypass age confirmation prompts
// @namespace    steam
// @version      1.7
// @description  Suppresses age confirmations on Steam store pages and community hubs
// @license      MIT
// @match        https://steamcommunity.com/*
// @match        https://store.steampowered.com/agecheck/app/*
// @match        https://store.steampowered.com/app/*/agecheck*
// @grant        none
// @run-at       document-start
// @inject-into  content
// ==/UserScript==

(function () {
	"use strict";

	if (location.hostname === "store.steampowered.com") {
		// Set up long-lived cookies (10 years) to bypass age verification
		const cookieOptions = "; Secure; Path=/; Max-Age=315360000; SameSite=None";

		// This bypasses the "mature content - view page/cancel" screen.
		// Overrides the settings you set here: https://store.steampowered.com/account/preferences/
		document.cookie = "wants_mature_content=1" + cookieOptions;

		// This bypasses the "enter your date of birth" screen.
		const fiftyYearsAgo = ((Date.now() - 1576800000000) / 1000).toFixed();
		document.cookie = "birthtime=" + fiftyYearsAgo + cookieOptions;

		// Reload after making sure we're actually on a page with an age gate
		window.addEventListener("DOMContentLoaded", function () {
			if (document.getElementById("app_agegate")) {
				location.reload();
			}
		});
	} else if (location.hostname === "steamcommunity.com") {
		// Patch Storage.getItem to return a fake value for all keys that look like age_gate_123.
		// This bypasses the mature content overlay on community hubs.
		const patchSessionStorage = function () {
			const overrideRegex = /^age_gate_\d+$/;

			Storage.prototype.getItem = new Proxy(Storage.prototype.getItem, {
				apply(getItem, that, args) {
					if (args.length && that === window.sessionStorage && overrideRegex.test(String(args[0]))) {
						return "1";
					}

					return getItem.apply(that, args);
				}
			});
		};


		const inject = `"use strict";(${patchSessionStorage})();`;

		if ("wrappedJSObject" in window) {
			// Firefox sandbox, execute it directly
			window.eval(inject);
		} else {
			// Chrome sandbox or no sandbox, inject script tag
			const script = document.createElement("script");
			script.text = inject;
			(document.head ?? document.documentElement).prepend(script);
			script.remove();
		}
	}
})();
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