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Duanmao HTTPS

使断锚网页版支持 HTTPS

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

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

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==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');
})();