Fff**k.
// ==UserScript==
// @name Abstract Emoji encryptor
// @namespace https://bgm.tv
// @version 1.0
// @description Fff**k.
// @author Rin
// @match *://*/*
// @grant GM_setValue
// @grant GM_getValue
// @grant GM_registerMenuCommand
// @license MIT
// ==/UserScript==
(function() {
'use strict';
const hostname=window.location.hostname;
let settings = {
promptTemplate: GM_getValue("promptTemplate", '你的好朋友是二次元婆罗门论坛bangumi上的动漫高手，阅番无数，无人能及，就连站长sai见了都要尊称一句性焦虑领域大神。依次使用下面给出的符号，编写一段话送给你的好朋友，请注意在合适的位置插入符号以保持它们的顺序。\n符号顺序为:'),//如果不存在则使用默认值
};
GM_registerMenuCommand('设置提示模板', function() {
let promptTemplate = prompt("", settings.promptTemplate);
if (promptTemplate) {
GM_setValue("promptTemplate", promptTemplate);
settings.promptTemplate=GM_getValue("promptTemplate", '你的好朋友是二次元婆罗门论坛bangumi上的动漫高手，阅番无数，无人能及，就连站长sai见了都要尊称一句性焦虑领域大神。依次使用下面给出的符号，编写一段话送给你的好朋友，请注意在合适的位置插入符号以保持它们的顺序。\n符号顺序为:');
}
});
window.onerror = function(message, source, lineno, colno, error) {
if(source.includes("Abstract%20Emoji%20encryptor"))
alert(`Error:${error.message}`);
}
const isMobile = /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent);
const createElement = (tag, props = {}, styles = {}) => {
const el = Object.assign(document.createElement(tag), props);//创建元素
Object.assign(el.style, styles);//配置styles
return el;
};
const gbkDecoder = new TextDecoder('gb18030');//能解码gbk不支持的符号，比如欧元、表意文字
const ranges = [
[0xA1, 0xA9, 0xA1, 0xFE],
[0xB0, 0xF7, 0xA1, 0xFE],
[0x81, 0xA0, 0x40, 0xFE],//从这里开始的三个扩展区，第二个字节要排除0x7F
[0xAA, 0xFE, 0x40, 0xA0],
[0xA8, 0xA9, 0x40, 0xA0],
];
const characterSet = ["~","？","………","⚡","⭐","😆","😗","👣","😨","🤓","🤣","😘‖","🥵","😉","🚀","😀","😋","😂","😅","😭","😇","🔥","😍","😡","😠","🤬","😈","👿","😤","💀","☠️","😻","😽","👹","👽","👻","👾","🤖","🤡","💩","🙊","🙉","🙈","💌","💘","💞","💕","💟","❣️","💔","❤️","💙","💚","💜","🖤","🤍","👁️🗨️","💤","💦","🕳️","💫","💥","💢","💯","💋","🎄","🎊","🎇","✨","🎈","🎉","🎁","🎀","🎐","🎃","🧧","🥇","🎖️","🏅","🏆","⚽","🏀","🥊","🤿","🎣","🪁","🎯","🎮","🔮","🎲","🧸","♥️","🎭","🎨","🧵","🧶","👓","🕶️","🥽","👔","👗","👘","🧣","🧤","🧦","🩲","🩱","👜","🎒","🩰","👙","👑","🎩","📿","💄","💍","💎","🔔","🔊","📣","📢","🎼","🎵","🎶","🎧","🎤","🎻","🎺","🥁","📱","📞","⌨️","💻","📷","📼","🎬","🏮","🕯️","🔎","💡","🔦","📕","📔","📖","📚","📜","💰","💵","💸","✉️","📧","📦","✏️","🖍️","🖌️","✒️","📝","📍","💼","📆","📈","📉","🗑️","🔑","🗝️","🔒","🔐","⚖️","🧲","🔗","🛡️","🏹","⚔️","🗡️","🔧","⚙️","🛠️","⛏️","🪓","🔨","💣","🧬","🔭","📡","💉","🩸","💊","🩹","🩺","🛏️","🚿","🚽","🛋️","🚪","🛁","🧹","🧻","🧽","🧼","🚬","⚰️","♿","🔞","🚫","⚠️","⛔","⬆️","➡️","🛐","✡️","✝️","🔁","▶️","◀️","⏩","⏫","♂️","♾️","❗","❕","❓","❔","‼️","⁉️","💲","✅","☑️","✔️","❌","❎","⭕","♻️","⚜️","➿","➰","🆒","🆕","🆚","🆗","🆘","🆙","🆓","ℹ️","🔴","⚫","⚪","🔷","🟥","⬛","⬜","💠","🔳","🚩","🏁","🏳️🌈","🏴☠️"];
sort(hostname,characterSet);
let codes,table;
function encodeToGBK(str) {
if(!codes){
codes=new Uint16Array(22046);//先把全部gbk字符都保存到一个16位整型数组里
let i = 0,t;
for (const [b1Begin, b1End, b2Begin, b2End] of ranges) {
for (let b2 = b2Begin; b2 <= b2End; b2++) {
if (b2 !== 0x7F) {//反过来遍历，减少判断0x7F的次数
t = b2 << 8; //不能用16位的codes[i]
for (let b1 = b1Begin; b1 <= b1End; b1++)
codes[i++] = t | b1;
}
}
}
}
if(!table){
table = new Uint16Array(65509);//gbk包含¤，小到164，将164左移到0也才省一点点空间
const str = gbkDecoder.decode(codes);//解码为包含全部gbk字符的字符串
for (let i = 0; i < str.length; i++){
table[str.charCodeAt(i)] = codes[i];//unicode到gbk的映射
}
}
const buf = new Uint8Array(str.length * 2);
let n = 0;
for (let i = 0; i < str.length; i++) {
const code = str.charCodeAt(i);
if (code < 128)
buf[n++] = code;
else{
const gbk = table[code];
if (gbk === 0)
throw new Error("文本中存在不支持的符号");//有些编码器会用问号替换来避免报错，但这实际已经发生信息丢失了，不能容忍
else {
buf[n++] = gbk;
buf[n++] = gbk >> 8;
}
}
}
return buf.subarray(0, n);
}
async function encode(str) {
let result = '';
let data= encodeToGBK(str);
await sort(hostname,data);
for (let b of data) {
result += characterSet[b & 0xFF] + ' ';
}
return result.trimEnd();
}
async function encrypt() {
const userInput = prompt("🔒（可在扩展管理界面设置提示模板）");
if(userInput){
const emoji=await encode(userInput);
if(isMobile)
alert(`成功！请手动复制下面的内容\n${settings.promptTemplate}${emoji}`);
else {
await navigator.clipboard.writeText(settings.promptTemplate+emoji);
alert('成功！Emoji已复制到剪切板');
}
}
}
async function decrypt() {
const userInput = prompt("🗝️");
if(userInput){
let list = [];
let maxCharLength = 7;
for (let i = 0; i < userInput.length; i++) {
for (let j = maxCharLength; j >= 1; j--) {
if (i + j <= userInput.length) {
let subString = userInput.substring(i, i + j);
let index = characterSet.indexOf(subString);
if (index !== -1) {
list.push(index);
i += j - 1;
break;
}
}
}
}
const origin=new Uint8Array(list);
await resort(hostname,origin);
alert(gbkDecoder.decode(origin));
}
}
async function sort(obfuscator,target) {
const msgUint8 = new TextEncoder().encode(obfuscator); // 编码为 Uint8Array
const hashBuffer = await crypto.subtle.digest('SHA-512', msgUint8);//哪怕可以基于target长度使用位数更少的sha256，但是解码的时候对于targer长度是不确定的
const uint8Array = new Uint8Array(hashBuffer);
const bitArray=new Uint8Array(512);let k=0;
for (let i = 0; i < uint8Array.length; i++) {
const byte = uint8Array[i];
for (let j = 7; j >= 0; j--) // 从高位到低位遍历每个比特
bitArray[k++]=(byte >> j) & 1;
}
for(let i=0;i<target.length-2;i++)
if(bitArray[i]===1){
const t=target[i];
target[i]=target[i+1];
target[i+1]=t;
}
else{
const t=target[i];
target[i]=target[i+2];
target[i+2]=t;
}
}
async function resort(obfuscator,target){
const msgUint8 = new TextEncoder().encode(obfuscator); // 编码为 Uint8Array
const hashBuffer = await crypto.subtle.digest('SHA-512', msgUint8);//哪怕可以基于target长度使用位数更少的sha256，但是解码的时候对于targer长度是不确定的
const uint8Array = new Uint8Array(hashBuffer);
const bitArray=new Uint8Array(512);let k=0;
for (let i = 0; i < uint8Array.length; i++) {
const byte = uint8Array[i];
for (let j = 7; j >= 0; j--) // 从高位到低位遍历每个比特
bitArray[k++]=(byte >> j) & 1;
}
for(let i=target.length-3;i>=0;i--)
if(bitArray[i]===1){
const t=target[i];
target[i]=target[i+1];
target[i+1]=t;
}
else{
const t=target[i];
target[i]=target[i+2];
target[i+2]=t;
}
}
function swapColors(){
let t=sidebarButton1.style.backgroundColor;
sidebarButton1.style.backgroundColor=sidebarButton2.style.backgroundColor;
sidebarButton2.style.backgroundColor=t;
}
const buttonStyles1 = {
position: 'fixed',
right: '0', //固定右侧
zIndex: '9999', // 确保不被覆盖
cursor: 'pointer',//显示可点击光标
backgroundColor:'#f56c73',
border: 'none',
top: '42%',
height: '25px',
width: '25px',
overflow: 'hidden',
};
const buttonStyles2 = {
position: 'fixed',
right: '0', //固定右侧
zIndex: '9999', // 确保不被覆盖
cursor: 'pointer',//显示可点击光标
backgroundColor:'#d87b83',
border: 'none',
top: '47%',
height: '25px',
width: '25px',
overflow: 'hidden',
};
const sidebarButton1 = createElement('button', {}, buttonStyles1);
const sidebarButton2 = createElement('button', {}, buttonStyles2);
sidebarButton1.addEventListener('mouseenter', () => swapColors() );
sidebarButton2.addEventListener('mouseenter', () => swapColors() );
sidebarButton1.addEventListener('click', () => encrypt());
sidebarButton2.addEventListener('click', () => decrypt());
document.body.append(sidebarButton1, sidebarButton2);
})();