经分析获取登录状态的接口为:https://api.bilibili.com/x/web-interface/nav
未登录的响应如下:
{
"code": -101,
"message": "账号未登录",
"ttl": 1,
"data": {
"isLogin": false,
"wbi_img": {
"img_url": "https://i0.hdslb.com/bfs/wbi/7cd084941338484aae1ad9425b84077c.png",
"sub_url": "https://i0.hdslb.com/bfs/wbi/4932caff0ff746eab6f01bf08b70ac45.png"
}
}
}
登录的响应如下:
{
"code": 0,
"message": "0",
"ttl": 1,
"data": {
"isLogin": true,
"wbi_img": {
"img_url": 头像图片地址,
"sub_url": 头像图片地址
}
}
}
通过XMLHttpRequest发送请求
2023-08-30-21-48-21-image.png (89.64 KB, 下载次数: 2)
下载附件
2023-8-30 21:56 上传
有两种思路，一是拦截XMLHttpRequest，二是拦截JSON.parse
脚本如下:
// ==UserScript==
// @name B站未登录弹窗
// @namespace http://tampermonkey.net/
// @version 0.1
// @run-at document-start
// @description try to take over the world!
// @AuThor You
// @match https://www.bilibili.com/*
// @grant none
// ==/UserScript==
let oldXhrOpen = XMLHttpRequest.prototype.open;
XMLHttpRequest.prototype.open = function() {
if (arguments[1].indexOf('/web-interface/nav') != -1) {
let oldGet = Object.getOwnPropertyDescriptor(XMLHttpRequest.prototype, 'responseText').get;
Object.defineProperty(this, 'responseText', {
configurable: true,
enumerable: true,
get: function get() {
let res = JSON.parse(oldGet.apply(this, arguments));
res.code = 0;
res.message = '0';
res.data = {
isLogin: true,
wbi_img: []
};
return JSON.stringify(res);
},
set: undefined
});
}
return oldXhrOpen.apply(this, arguments);
}
// ==UserScript==
// @name B站未登录弹窗
// @namespace http://tampermonkey.net/
// @version 0.1
// @run-at document-start
// @description try to take over the world!
// @author You
// @match https://www.bilibili.com/*
// @grant none
// ==/UserScript==
let oldJsonParse = JSON.parse;
JSON.parse = function() {
if (arguments[0].indexOf('"isLogin":false') != -1) {
arguments[0] = arguments[0].replace('"code":-101', '"code":0').replace('"isLogin":false', '"isLogin":true');
}
return oldJsonParse.apply(this, arguments);
}
当然有些请求使用fetch，这里在给一个拦截fetch的插件
// ==UserScript==
// @name 拦截fetch
// @namespace http://tampermonkey.net/
// @version 0.1
// @run-at document-start
// @description try to take over the world!
// @author You
// @match https://www.bilibili.com/*
// @grant none
// ==/UserScript==
let oldfetch = fetch;
function fuckfetch() {
if (arguments[0].indexOf('/web-interface/nav') != -1) {
debugger;
return new Promise((resolve, reject) => {
oldfetch.apply(this, arguments).then(response => {
const oldJson = response.json;
response.json = function() {
return new Promise((resolve, reject) => {
oldJson.apply(this, arguments).then(result => {
//修改result
resolve(result);
});
});
};
resolve(response);
});
});
} else {
return oldfetch.apply(this, arguments);
}
}
window.fetch = fuckfetch;
