Duanmao HTTPS

使断锚网页版支持 HTTPS

คุณจะต้องติดตั้งส่วนขยาย เช่น Tampermonkey, Greasemonkey หรือ Violentmonkey เพื่อติดตั้งสคริปต์นี้

คุณจะต้องติดตั้งส่วนขยาย เช่น Tampermonkey หรือ Violentmonkey เพื่อติดตั้งสคริปต์นี้

คุณจะต้องติดตั้งส่วนขยาย เช่น Tampermonkey หรือ Violentmonkey เพื่อติดตั้งสคริปต์นี้

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Duanmao HTTPS
// @namespace    CCCC_David
// @version      0.4.0
// @description  使断锚网页版支持 HTTPS
// @author       CCCC_David
// @match        https://duanmao.top/*
// @run-at       document-start
// @grant        none
// @require      https://unpkg.com/ajax-hook/dist/ajaxhook.min.js
// ==/UserScript==

(() => {
    'use strict';

    const fixURL = (url) => url === undefined ? undefined : url.replace(/^https?:\/\/cdn1\.duanmao\.top\//i, 'https://duanmao.top/')
                                                               .replace(/^http:\/\//i, 'https://');
    ah.proxy({
        onRequest: (config, handler) => {
            config.url = fixURL(config.url);
            handler.next(config);
        },
        onError: (err, handler) => {
            handler.next(err);
        },
        onResponse: (response, handler) => {
            handler.next(response);
        },
    });

    const pathname = window.location.pathname;
    const isForumPage = pathname === '/forum';

    const addMetaTags = () => {
        const metaReferrer = document.createElement('meta');
        metaReferrer.name = 'referrer';
        metaReferrer.content = 'same-origin';
        document.head.appendChild(metaReferrer);
        const metaCSP = document.createElement('meta');
        metaCSP.httpEquiv = 'Content-Security-Policy';
        metaCSP.content = "base-uri 'self'; script-src 'self'; object-src 'none'; upgrade-insecure-requests";
        document.head.appendChild(metaCSP);
    };

    const updateElementURL = (el) => {
        const tagName = el.nodeName.toLowerCase();
        // There are many HTML tag attributes which can include URLs
        // (see https://stackoverflow.com/questions/2725156/complete-list-of-html-tag-attributes-which-have-a-url-value),
        // but here we just deal with the most common two cases:
        // - <a href="..."></a>
        // - <img src="..." />
        if (tagName === 'a') {
            el.href = fixURL(el.href);
        } else if (tagName === 'img') {
            el.src = fixURL(el.src);
        }
    };

    const settingsHasHTTPS = () => {
        try {
            return JSON.parse(window.localStorage.getItem('cdn')).data === 0;
        } catch {
            return false;
        }
    };

    const observer = new MutationObserver((mutationsList) => {
        for (const mutation of mutationsList) {
            if (mutation.type === 'childList') {
                for (const el of mutation.addedNodes) {
                    if (el.nodeName.toLowerCase() === 'head') {
                        addMetaTags();
                    }
                    updateElementURL(el);
                }
            }
        }
    });

    observer.observe(document.documentElement, {
        subtree: true,
        childList: true,
    });

    if (document.head) {
        addMetaTags();
    }

    for (const tagName of ['a', 'img']) {
        for (const el of document.getElementsByTagName(tagName)) {
            updateElementURL(el);
        }
    }

    if (isForumPage) {
        window.addEventListener('DOMContentLoaded', () => {
            // If the inline script was blocked, we execute it again.
            if (!document.querySelector('meta[name="viewport"]')) {
                window.coverSupport = 'CSS' in window && typeof CSS.supports === 'function' && (CSS.supports('top: env(a)') || CSS.supports('top: constant(a)'));
                const metaViewport = document.createElement('meta');
                metaViewport.name = 'viewport';
                metaViewport.content = 'width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0' + (window.coverSupport ? ', viewport-fit=cover' : '');
                document.head.appendChild(metaViewport);
            }

            if (!settingsHasHTTPS()) {
                // If the "/renew" request happened before our Ajax hook, it might be blocked due to Mixed Content error.
                // Here we send it again.
                try {
                    for (const func of getApp().$options.onLaunch) {
                        if (func.toString().includes('renew') && func.length === 0) {
                            func();
                        }
                    }
                } catch (e) {
                    console.error(e);
                }
            }
        });
    }

    if (pathname === '/fourm') { // cSpell:disable-line
        window.location.replace('/forum');
    }

    console.log('Duanmao HTTPS script is loaded');
})();