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108 lines
3.1 KiB
108 lines
3.1 KiB
<?php
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namespace App\Utils;
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class BilibiliQueryUtil
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{
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private $mixinKeyEncTab = [
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46, 47, 18, 2, 53, 8, 23, 32, 15, 50, 10, 31, 58, 3, 45, 35, 27, 43, 5, 49,
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33, 9, 42, 19, 29, 28, 14, 39, 12, 38, 41, 13, 37, 48, 7, 16, 24, 55, 40,
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61, 26, 17, 0, 1, 60, 51, 30, 4, 22, 25, 54, 21, 56, 59, 6, 63, 57, 62, 11,
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36, 20, 34, 44, 52
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];
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function __construct()
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{
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}
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public function reQuery(array $query)
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{
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$wbi_keys = $this->getWbiKeys();
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return $this->encWbi($query, $wbi_keys['img_key'], $wbi_keys['sub_key']);
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}
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private function getMixinKey($orig)
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{
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$t = '';
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foreach ($this->mixinKeyEncTab as $n) $t .= $orig[$n];
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return substr($t, 0, 32);
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}
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private function encWbi($params, $img_key, $sub_key)
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{
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$mixin_key = $this->getMixinKey($img_key . $sub_key);
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$curr_time = time();
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$chr_filter = "/[!'()*]/";
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$query = [];
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$params['wts'] = $curr_time;
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ksort($params);
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foreach ($params as $key => $value) {
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$value = preg_replace($chr_filter, '', $value);
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$query[] = urlencode($key) . '=' . urlencode($value);
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}
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$query = implode('&', $query);
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$wbi_sign = md5($query . $mixin_key);
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return $query . '&w_rid=' . $wbi_sign;
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}
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private function getWbiKeys()
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{
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$resp = @json_decode(
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$this->curl_get(
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'https://api.bilibili.com/x/web-interface/nav',
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null,
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'https://www.bilibili.com/'
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), true
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);
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if (!$resp) throw new Exception('请求失败');
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$img_url = $resp['data']['wbi_img']['img_url'];
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$sub_url = $resp['data']['wbi_img']['sub_url'];
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return [
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'img_key' => substr(basename($img_url), 0, strpos(basename($img_url), '.')),
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'sub_key' => substr(basename($sub_url), 0, strpos(basename($sub_url), '.'))
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];
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}
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private function curl_get($url, $cookies = null, $referer = 'https://www.bilibili.com/', $ua = null, $proxy = null, $header = [])
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{
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$ch = curl_init();
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$header[] = "Accept: */*";
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$header[] = "Accept-Language: en-US,en;q=0.9,zh-CN;q=0.8,zh;q=0.7";
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$header[] = "Connection: close";
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$header[] = "Cache-Control: max-age=0";
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curl_setopt_array($ch, [
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CURLOPT_HTTPGET => 1,
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CURLOPT_CUSTOMREQUEST => 'GET',
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CURLOPT_RETURNTRANSFER => 1,
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CURLOPT_HTTPHEADER => $header,
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CURLOPT_ENCODING => '',
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CURLOPT_URL => $url,
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CURLOPT_USERAGENT => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.63 Safari/537.36 Edg/102.0.1245.39',
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CURLOPT_TIMEOUT => 15
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]);
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if ($cookies) curl_setopt(
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$ch,
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CURLOPT_COOKIE,
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$cookies
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);
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if ($referer) curl_setopt_array($ch, [
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CURLOPT_AUTOREFERER => $referer,
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CURLOPT_REFERER => $referer
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]);
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$content = curl_exec($ch);
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curl_close($ch);
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return $content;
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}
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}
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