cok.r18.user.js

// ==UserScript==
// @name              COK.R18
// @name:zh-cn        刚满 18 岁 Cookie 版
// @namespace         https://github.com/Vinfall/UserScripts
// @version           0.17.3
// @author            Vinfall
// @match             https://archive.org/details/*
// @match             https://archive.org/download/*
// @match             https://fc2db.net/*
// @match             https://jaststore.com/games/*/*
// @match             https://jaststore.com/zh_Hans/games/*/*
// @match             https://jaststore.com/zh_Hant/games/*/*
// @match             https://jkforum.net/p/forum-*
// @match             https://jkforum.net/p/type-*
// @match             https://jkforum.net/p/thread-*
// @match             https://moepedia.net/
// @match             https://moepedia.net/*
// @match             https://moepedia.net/game/*
// @match             https://ntrdb.com/
// @match             https://ntrdb.com/*
// @match             https://store.steampowered.com/agecheck/app/*
// @match             https://store.steampowered.com/agecheck/bundle/*
// @match             https://store.steampowered.com/agecheck/sub/*
// @match             https://www.dlsite.com/*-touch/
// @match             https://www.dlsite.com/*-touch/*
// @match             https://www.dlsite.com/*/announce/=/product_id/*
// @match             https://www.dlsite.com/*/work/=/product_id/*
// @match             https://www.getchu.com/item/*
// @match             https://www.getchu.com/php/attestation.html?aurl=*
// @match             https://www.gog.com/*/game/*
// @match             https://www.moyu.moe/*
// @match             https://www.nintendo.com/*/store/products/*
// @match             https://www.nintendo.com/us/store/products/*
// @match             https://www.ptt.cc/ask/over18?from=*
// @match             https://www.ptt.cc/bbs/*/*.html
// @exclude-match     https://fc2db.net/auth/*
// @exclude-match     https://www.gog.com/forum/*
// @exclude-match     https://www.moyu.moe/*/*/pr
// @exclude-match     https://www.moyu.moe/about
// @exclude-match     https://www.moyu.moe/about/*
// @exclude-match     https://www.moyu.moe/auth/*
// @exclude-match     https://www.moyu.moe/edit/create
// @exclude-match     https://www.moyu.moe/friend-link
// @exclude-match     https://www.moyu.moe/login
// @exclude-match     https://www.moyu.moe/register
// @grant             unsafeWindow
// @grant             GM_getValue
// @grant             GM_setValue
// @run-at            document-start
// @license           CC0 1.0 Universal (Public Domain)
// @icon              data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><text y=%22.9em%22 font-size=%2290%22>🔞</text></svg>
// @description       Certainly Older than Kid, aka. COK.R18
// @description:zh-cn 因为我刚满 18 岁~
// ==/UserScript==

// Docs: https://developer.mozilla.org/en-US/docs/Web/API/Document/cookie

/*
TODO
- set cookie_override via GM_setValue
- set cookie in the correct way (is it even possible?)
*/

// patch for 'unsafeWindow is not defined'
const _global = typeof unsafeWindow === 'undefined' ? window : unsafeWindow;

const cookie_override = true;

const config = [
    {
        domains: ['archive.org'],
        name: 'hide_flag_porn',
        value: '1',
    },
    {
        domains: ['dlsite.com'],
        name: 'adultchecked',
        value: '1',
    },
    {
        domains: ['fc2db.net'],
        name: 'mdb_age_gate_confirmed',
        value: '1',
    },
    {
        domains: ['getchu.com'],
        name: 'getchu_adalt_flag',
        value: 'getchu.com',
    },
    {
        domains: ['gog.com'],
        name: 'gog_wantsmaturecontent',
        value: '18',
    },
    {
        domains: ['jaststore.com'],
        name: 'mature-warning-check',
        value: '1',
    },
    {
        domains: ['jkforum.net'],
        name: 'apea',
        value: '100',
    },
    {
        domains: ['moepedia.net'],
        name: 'adult',
        value: '1',
    },
    {
        domains: ['nintendo.com'],
        name: 'nintendo.ageGate.isOldEnough',
        value: '"true"', // this IS correct, the value is literal "true"
    },
    {
        domains: ['ntrdb.com'],
        name: 'ntrdb_age_confirmed',
        value: '1',
    },
    {
        domains: ['ptt.cc'],
        name: 'over18',
        value: '1',
    },
    {
        domains: ['store.steampowered.com'],
        name: 'birthtime', // not lastagecheckage or wants_mature_content
        value: '-3599',
    },
    // {
    //     domains: ['www.moyu.moe'],
    //     name: 'kun-patch-setting-store',
    //     value: '%7B%22data%22%3A%7B%22kunNsfwEnable%22%3A%22all%22%2C%22nsfwAckedIds%22%3A%5B%5D%2C%22titleLanguage%22%3A%22zh-cn%22%2C%22showJapaneseSubtitle%22%3Afalse%2C%22showReleaseDate%22%3Afalse%2C%22showNsfwBadge%22%3Atrue%2C%22showGalgamesWithoutResource%22%3Afalse%7D%7D',
    // }, // would overwrite user pref
];

/**
 * Find config via hostname
 * @returns {object|undefined}
 */
function getMatchingConfig() {
    const hostname = window.location.hostname;
    return config.find((item) => item.domains.some((domain) => hostname.includes(domain)));
}

/**
 * Get Cookie
 * @param {string} name
 * @returns {string|null}
 */
function getCookie(name) {
    const match = document.cookie.match(new RegExp(`(^|;\\s*)${name}=([^;]+)`));
    return match ? match[2] : null;
}

/**
 * Set Cookie
 * @param {string} name
 * @param {string} value
 * @param {number} days
 */
function setCookie(name, value, days = 365) {
    const date = new Date();
    date.setTime(date.getTime() + days * 24 * 60 * 60 * 1000);
    const expires = `expires=${date.toUTCString()}`;
    // biome-ignore lint/suspicious/noDocumentCookie: CookieStore only works for HTTPS
    document.cookie = `${name}=${value}; ${expires}; path=/; SameSite=Lax`;
}

function main() {
    const matchingConfig = getMatchingConfig();

    if (!matchingConfig) {
        console.log('%c[COK.R18]%c Domain not found. Skipping.', 'color: #90060a; font-weight: bold;', '');
        return;
    }

    const { name, value } = matchingConfig;
    const currentCookieValue = getCookie(name);
    // cookie w/ correct value
    if (currentCookieValue === value) {
        console.log(
            `%c[COK.R18]%c Cookie "${name}" value matched, skipping.`,
            'color: #90060a; font-weight: bold;',
            '',
        );
        return;
    }
    // no cookie or wrong value
    if (currentCookieValue !== null) {
        // wrong value
        if (cookie_override) {
            console.log(
                `%c[COK.R18]%c Cookie "${name}" value mismatch, and cookie_override is true, overwriting...`,
                'color: #90060a; font-weight: bold;',
                '',
            );
            setCookie(name, value);
            // refresh page after setting cookie
            location.reload();
        } else {
            console.log(
                `%c[COK.R18]%c Cookie "${name}" value mismatch, but cookie_override is false, skipping...`,
                'color: #90060a; font-weight: bold;',
                '',
            );
            return;
        }
    } else {
        // no cookie
        console.log(`%c[COK.R18]%c Cookie "${name}" not found, setting...`, 'color: #90060a; font-weight: bold;', '');
        setCookie(name, value);
        // refresh page after setting cookie
        location.reload();
    }
}

main();