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index.php
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<html>
<head>
<meta charset="utf-8" />
<meta name="keywords" content="bv号,av号,B站,哔哩哔哩">
<meta name="description" content="一个可以将BV号转AV号的小工具">
<meta itemprop="name" content="BV号转AV号工具">
<meta itemprop="description" content="一个可以将BV号转AV号的小工具">
<meta itemprop="image" content="https://q.qlogo.cn/g?b=qq&nk=800059038&s=100">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
<meta name="referrer" content="no-referrer">
<title>BV号转AV号 - 找回视频丢失的AV号</title>
<link href="/css/demo.css" rel="stylesheet">
<link href="https://cdn.bootcss.com/twitter-bootstrap/3.0.0/css/bootstrap.css" rel="stylesheet">
<link href="https://cdn.bootcss.com/Buttons/2.0.0/css/buttons.css" rel="stylesheet">
<link href="https://cdn.bootcss.com/font-awesome/5.12.1/css/fontawesome.min.css" rel="stylesheet">
<script>
var _hmt = _hmt || [];
(function() {
var hm = document.createElement("script");
hm.src = "https://hm.baidu.com/hm.js?a64cd95a180806066a7d13a0b531b6d1";
var s = document.getElementsByTagName("script")[0];
s.parentNode.insertBefore(hm, s);
})();
</script>
<style>
html,
body {
height: 100%;
}
body {
margin: 0;
padding: 0;
width: 100%;
display: table;
font-weight: 100;
font-family: 'Lato';
}
.container {
text-align: center;
display: block;
position: relative;
top: 150px;
vertical-align: middle;
}
.content {
text-align: center;
display: inline-block;
}
.title {
font-size: 66px;
}
.title small {
font-size: 33px;
}
.title a {
color: #000;
text-decoration: none;
}
goo {
display: block;
position: fixed;
top: 250px;
}
goog{
display: block;
position: fixed;
bottom:0px;
}
</style>
</head>
<body style="background-image:url(/images/background.png);background-repeat:no-repeat;">
<div class="container">
<div class="content">
<div class="title">BV号⇆AV号</div>
</div>
<div class="row"></div>
<div class="for-group">
<div class="goo">
<form action="/index.php">
<input type="text" id="x" name="BV" placeholder="请输入视频AV/BV号(需以英文开头)" value="<?php echo $_GET['BV'] ?>" class="form-control" style="text-align:center"/>
<br>
<br>
<button type="button" class = "button center button button-glow button-border button-rounded button-primary" onclick="return exchange() && false">本地JS转换</button>
<button type="submit" class = "button center button button-glow button-border button-rounded button-primary" >获取视频信息</button>
</form>
</div>
</div>
<p id="result">
<?php
if (isset($_GET['BV'])){
$str = trim($_GET['BV']); //清理空格
$str = strip_tags($str); //过滤html标签
$str = htmlspecialchars($str); //将字符内容转化为html实体
$str = addslashes($str); //防止SQL注入
}
if($str != ""){
$bv = stristr($str,"BV1");
$bv = substr($bv,0,12);
if(strlen($str) != 12){
if(strtolower(substr($str,0,2)) == 'av'){
echo dec($str);
}elseif(strlen($str) == 9){
echo dec('BV1'.$str);
}elseif(strlen($str) == 10){
echo dec('BV'.$str);
}else{
echo "<font size='4' color='red'>".$str." ¿你在想桃子?</font>";
}
}else{
echo dec($bv);
}
}
?>
</p>
<script>
'use strict';
const table = [...'fZodR9XQDSUm21yCkr6zBqiveYah8bt4xsWpHnJE7jL5VG3guMTKNPAwcF'];
const s = [11, 10, 3, 8, 4, 6];
const xor = 177451812;
const add = 8728348608;
const av2bv = (av) => {
let num = NaN;
if (Object.prototype.toString.call(av) === '[object Number]') {
num = av;
} else if (Object.prototype.toString.call(av) === '[object String]') {
num = parseInt(av.replace(/[^0-9]/gu, ''));
};
if (isNaN(num) || num <= 0) {
// 网页版直接输出这个结果了
return '¿你在想桃子?';
};
num = (num ^ xor) + add;
let result = [...'bv1 4 1 7 '];
let i = 0;
while (i < 6) {
// 这里改写差点犯了运算符优先级的坑
// 果然 Python 也不是特别熟练
// 说起来 ** 按照传统语法应该写成 Math.pow()，但是我个人更喜欢 ** 一些
result[s[i]] = table[Math.floor(num / 58 ** i) % 58];
i += 1;
};
return result.join('');
};
const bv2av = (bv) => {
let str = '';
if (bv.length === 12) {
str = bv;
} else if (bv.length === 10) {
str = `BV${bv}`;
// 根据官方 API，BV 号开头的 BV1 其实可以省略
// 不过单独省略个 B 又不行（
} else if (bv.length === 9) {
str = `BV1${bv}`;
} else {
return '¿你在想桃子?';
};
if (!str.match(/[Bb][Vv][fZodR9XQDSUm21yCkr6zBqiveYah8bt4xsWpHnJE7jL5VG3guMTKNPAwcF]{10}/gu)) {
return '¿你在想桃子?';
};
let result = 0;
let i = 0;
while (i < 6) {
result += table.indexOf(str[s[i]]) * 58 ** i;
i += 1;
};
return `av${result - add ^ xor}`;
};
const exchange = () => {
var x = document.getElementById('x').value;
if(x.substring(0,2).toLowerCase()=='bv'){
document.getElementById('x').value = `${bv2av(x)}`;
}else if(x.substring(0,2).toLowerCase()=='av'){
document.getElementById('x').value = `${av2bv(x)}`;
}
};
</script>
</body>
<?php
function dec($x){
$ch = curl_init();
if(strtolower(substr($x,0,2))=='av'){
curl_setopt($ch, CURLOPT_URL, 'https://api.bilibili.com/x/web-interface/view/detail?aid='.substr($x,2));
}else{
curl_setopt($ch, CURLOPT_URL, 'https://api.bilibili.com/x/web-interface/view/detail?bvid='.$x);
}
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_TIMEOUT, 5);
$output = curl_exec($ch);
$json = json_decode($output);
curl_close($ch);
if(is_numeric($json->data->View->aid)){
if(strtolower(substr($x,0,2)) == 'av'){
return $x."<br>↓↓↓↓↓↓</br><font size='6' color='red'>".$json->data->View->bvid."</font><br/><br/><a href='https://www.bilibili.com/video/av".$json->data->View->aid."' target='_blank'><img src='".str_replace("http://","https://",$json->data->View->pic)."' width='192' height='118'></a><br/>".$json->data->View->title."<br/>UP主:<a href='https://space.bilibili.com/".$json->data->View->owner->mid."' target='_blank'>".$json->data->View->owner->name."</a>";
}else{
return $x."<br>↓↓↓↓↓↓</br><font size='6' color='red'>av".$json->data->View->aid."</font><br/><br/><a href='https://www.bilibili.com/video/av".$json->data->View->aid."' target='_blank'><img src='".str_replace("http://","https://",$json->data->View->pic)."' width='192' height='118'></a><br/>".$json->data->View->title."<br/>UP主:<a href='https://space.bilibili.com/".$json->data->View->owner->mid."' target='_blank'>".$json->data->View->owner->name."</a>";
}
}else{
if(strtolower(substr($x,0,2))=='bv'){
$table = 'fZodR9XQDSUm21yCkr6zBqiveYah8bt4xsWpHnJE7jL5VG3guMTKNPAwcF';
$tr = array();
for ($i=0;$i<58;$i++) {
$tr[$table[$i]]=$i;
}
$s = array(11,10,3,8,4,6,2,9,5,7);
$xor=177451812;
$add=100618342136696320;
$r = 0;
for ($i=0;$i<10;$i++) {
$r += $tr[$x[$s[$i]]]*pow(58,$i);
}
$numbe = $r-$add^$xor;
if($numbe <=0 )return "<font size='5' color='red'>".$numbe." </font>";
return $x.'<br/>↓↓↓↓↓↓</br><br><font size="5" font color="red">av'.$numbe.'<br><br><a target="_blank" class="button button-3d button-primary button-rounded" href=https://www.bilibili.com/video/av'.$numbe.">点击跳转</a></b></font>";
}else{
$message = $json->message;
if($message=="")$message="服务器查询任务太多";
return $x.'<br/>↓↓↓↓↓↓</br><br><font size="5" font color="red">获取详细信息失败'.$json->message.'<br><br><a target="_blank" class="button button-3d button-primary button-rounded" href=https://www.bilibili.com/video/'.$x.">点击跳转</a></b></font>";
}
}
}
?>
<div class = "goog">
<br>
<br>
bv2av.com<br>
bvtoav.com<br>
<br>
<p>Code by <a href="https://www.zhihu.com/question/381784377/answer/1099438784" target="_blank">mcfx</a></p>
<p>Built by <a href="https://github.com/Blokura/bv2av" target="_blank">Blokura</a></p>
<p>JavaScript by <a href="https://mrhso.github.io/IshisashiWebsite/BVwhodoneit/" target="_blank">mrhso</a></p>
<p>Theme by <a href="https://www.drblack-system.com" target="_blank">DrBlackの锦里</a></p>
</div>