用自定义UA的XHR请求图片+删除广告
// ==UserScript==
// @name 简书火狐优化
// @namespace http://tampermonkey.net/
// @version 0.1
// @description 用自定义UA的XHR请求图片+删除广告
// @match https://www.jianshu.com/*
// @grant GM_xmlhttpRequest
// @grant unsafeWindow
// @connect *
// @run-at document-start
// @license MIT
// ==/UserScript==
// 配置参数
const CUSTOM_UA = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/139.0.0.0 Safari/537.36 27194'; // 自定义User-Agent
const Attributes = ['src', 'data-src', 'data-original-src'];
function getImageSource(img) {
for (let attr of Attributes) {
const value = img.getAttribute(attr);
if (value) {
return value;
}
}
return null; // 如果都没有找到有效的值
}
function errorhandle(event) {
event.stopImmediatePropagation();
const imgElement = event.target;
replaceImageWithXHR(imgElement);
}
// 用XHR请求替换图片
function replaceImageWithXHR(imgElement) {
const url = getImageSource(imgElement)
imgElement.alt = "加载中..."
console.log('检测到错误,正在加载图片:', url);
GM_xmlhttpRequest({
method: 'GET',
url: url,
headers: {
'User-Agent': CUSTOM_UA
},
responseType: 'blob',
onload: function (response) {
if (response.status === 200) {
const blob = response.response;
const imageUrl = URL.createObjectURL(blob);
imgElement.src = imageUrl;
console.log('图片替换成功:', url);
} else {
console.error('XHR请求失败:', response.status, url);
}
},
onerror: function (error) {
console.error('XHR请求错误:', error, url);
}
});
}
(function () {
'use strict';
// 使用 MutationObserver 监听新添加的图片
const observer = new MutationObserver(mutations => {
mutations.forEach(mutation => {
if (mutation.type === 'childList') {
mutation.addedNodes.forEach(node => {
if (node.nodeType === 1) { // 检查是否是元素节点
if (node.tagName === 'IMG') {
replaceImageWithXHR(node);
node.addEventListener('error', errorhandle, true);
}
// 如果是包含图片的容器，继续检查子元素
const imgs = node.querySelectorAll('img');
imgs.forEach(img => {
replaceImageWithXHR(img);
img.addEventListener('error', errorhandle, true);
});
}
});
}
});
});
unsafeWindow.document.addEventListener('DOMContentLoaded', (event) => {
const images = unsafeWindow.document.querySelectorAll('img');
images.forEach(img => {
replaceImageWithXHR(img);
img.addEventListener('error', errorhandle, true);
});
if (unsafeWindow.location.href.includes("/p/")) {
unsafeWindow.document.addEventListener('scroll', (event) => {
event.stopImmediatePropagation();
//屏蔽广告
}, true);
}
const elementsWithClassA = document.querySelectorAll('.image-loading');
elementsWithClassA.forEach(element => {
element.classList.remove('image-loading');
});//屏蔽他自己加载的脚本
// 保存原始的 add 方法
const originalAdd = unsafeWindow.DOMTokenList.prototype.add;
// 重写 add 方法
unsafeWindow.DOMTokenList.prototype.add = function (...classes) {
// 检查是否包含 'a' 或 'b'
const shouldBlock = classes.some(className =>
className === 'image-loading' || className === 'image-view-error'
);
// 如果检测到 'a' 或 'b'，则不执行
if (shouldBlock) {
console.log('Blocked classList.add for classes:', classes);
return; // 阻止执行
}
// 否则正常执行原始方法
return originalAdd.apply(this, classes);
};
// 开始监听 DOM 变化
observer.observe(unsafeWindow.document.body, {
childList: true,
subtree: true,
});
});
})();