在网页右侧显示一个可展开/收起的侧边栏组件，包含加密和解密功能。
当前为
// ==UserScript==
// @name 右侧可展开/收起的侧边栏组件
// @namespace https://bgm.tv
// @version 0.16
// @description 在网页右侧显示一个可展开/收起的侧边栏组件，包含加密和解密功能。
// @author Rin
// @match *://*/*
// @grant none
// @license MIT
// ==/UserScript==
(function() {
'use strict';
let table;
function initGbkTable() {
// https://en.wikipedia.org/wiki/GBK_(character_encoding)#Encoding
const ranges = [
[0xA1, 0xA9, 0xA1, 0xFE],
[0xB0, 0xF7, 0xA1, 0xFE],
[0x81, 0xA0, 0x40, 0xFE],
[0xAA, 0xFE, 0x40, 0xA0],
[0xA8, 0xA9, 0x40, 0xA0],
[0xAA, 0xAF, 0xA1, 0xFE],
[0xF8, 0xFE, 0xA1, 0xFE],
[0xA1, 0xA7, 0x40, 0xA0],
]
const codes = new Uint16Array(23940)
let i = 0
for (const [b1Begin, b1End, b2Begin, b2End] of ranges) {
for (let b2 = b2Begin; b2 <= b2End; b2++) {
if (b2 !== 0x7F) {
for (let b1 = b1Begin; b1 <= b1End; b1++) {
codes[i++] = b2 << 8 | b1
}
}
}
}
table = new Uint16Array(65536)
table.fill(0xFFFF)
const str = new TextDecoder('gbk').decode(codes)
for (let i = 0; i < str.length; i++) {
table[str.charCodeAt(i)] = codes[i]
}
}
const NodeJsBufAlloc = typeof Buffer === 'function' && Buffer.allocUnsafe
const defaultOnAlloc = NodeJsBufAlloc
? (len) => NodeJsBufAlloc(len)
: (len) => new Uint8Array(len)
const defaultOnError = () => 63 // '?'
window.encodeToGBK = function(str, opt = {}) {
if (!table) {
initGbkTable()
}
const onAlloc = opt.onAlloc || defaultOnAlloc
const onError = opt.onError || defaultOnError
const buf = onAlloc(str.length * 2)
let n = 0
for (let i = 0; i < str.length; i++) {
const code = str.charCodeAt(i)
if (code < 0x80) {
buf[n++] = code
continue
}
const gbk = table[code]
if (gbk !== 0xFFFF) {
buf[n++] = gbk
buf[n++] = gbk >> 8
} else if (code === 8364) {
// 8364 == '€'.charCodeAt(0)
// Code Page 936 has a single-byte euro sign at 0x80
buf[n++] = 0x80
} else {
const ret = onError(i, str)
if (ret === -1) {
break
}
if (ret > 0xFF) {
buf[n++] = ret
buf[n++] = ret >> 8
} else {
buf[n++] = ret
}
}
}
return buf.subarray(0, n)
}
console.log(window.encodeToGBK("我操sai怎么这么坏啊"));
// 创建侧边栏容器
const sidebar = document.createElement('div');
sidebar.id = 'custom-sidebar';
sidebar.style.position = 'fixed';
sidebar.style.top = '50%';
sidebar.style.right = '-200px'; // 初始隐藏位置
sidebar.style.transform = 'translateY(-50%)';
sidebar.style.width = '200px';
sidebar.style.height = 'auto';
sidebar.style.backgroundColor = '#333';
sidebar.style.color = '#fff';
sidebar.style.padding = '20px';
sidebar.style.boxShadow = '-2px 0 5px rgba(0,0,0,0.5)';
sidebar.style.transition = 'right 0.3s ease-in-out';
sidebar.style.zIndex = '9999';
// 添加点击事件监听器以切换侧边栏状态
let isSidebarOpen = false;
sidebar.addEventListener('click', (event) => {
if (!isSidebarOpen) {
sidebar.style.right = '0';
} else {
sidebar.style.right = '-200px';
}
isSidebarOpen = !isSidebarOpen;
});
// 创建面板内容
const panel = document.createElement('div');
panel.style.textAlign = 'center';
const inputField = document.createElement('input');
inputField.type = 'text';
inputField.placeholder = '输入数据';
inputField.style.width = '160px';
inputField.style.height = '30px';
inputField.style.marginBottom = '10px';
inputField.style.padding = '5px';
inputField.style.border = '1px solid #555';
inputField.style.backgroundColor = '#444';
inputField.style.color = '#fff';
inputField.addEventListener('click', (event) => {
event.stopPropagation(); // 阻止事件冒泡
});
const encryptButton = document.createElement('button');
encryptButton.textContent = '加密';
encryptButton.style.width = '75px';
encryptButton.style.height = '30px';
encryptButton.style.marginRight = '10px';
encryptButton.style.cursor = 'pointer';
encryptButton.style.border = 'none';
encryptButton.style.backgroundColor = '#555';
encryptButton.style.color = '#fff';
encryptButton.addEventListener('click', (event) => {
event.stopPropagation(); // 阻止事件冒泡
const encryptedData = encrypt(inputField.value);
inputField.value = encryptedData;
});
const decryptButton = document.createElement('button');
decryptButton.textContent = '解密';
decryptButton.style.width = '75px';
decryptButton.style.height = '30px';
decryptButton.style.cursor = 'pointer';
decryptButton.style.border = 'none';
decryptButton.style.backgroundColor = '#555';
decryptButton.style.color = '#fff';
decryptButton.addEventListener('click', (event) => {
event.stopPropagation(); // 阻止事件冒泡
const decryptedData = decrypt(inputField.value);
inputField.value = decryptedData;
});
panel.appendChild(inputField);
panel.appendChild(encryptButton);
panel.appendChild(decryptButton);
sidebar.appendChild(panel);
// 将侧边栏添加到body中
document.body.appendChild(sidebar);
// 假设已经实现了加密和解密方法
function encrypt(data) {
// 这里应该是实际的加密逻辑
const str = "你好，世界！";
// 将字符串转换为 GBK 编码的二进制数据（Buffer）
const gbkBuffer = iconv.encode(str, 'gbk');
console.log(gbkBuffer);
return data; // 返回示例
}
function decrypt(data) {
// 这里应该是实际的解密逻辑
return data; // 返回示例
}
})();