编码还原，好像是64编码，但是不懂解

cherryy

阿布° 发表于 2025-7-20 21:08
[mw_shl_code=javascript,true]function decode(t) {
    let randStr = t.substring(0, 8);
    let strin ...

大佬能帮我还原一下易语言吗？不懂js

cherryy

阿布° 发表于 2025-7-20 21:08
[mw_shl_code=javascript,true]function decode(t) {
    let randStr = t.substring(0, 8);
    let strin ...

<?php
function decode_url($encoded) {
    // 补全Base64
    $encoded = rtrim($encoded, "=");
    $encoded .= str_repeat("=", (4 - strlen($encoded) % 4) % 4);
    $decoded = base64_decode($encoded);

    if ($decoded === false) {
        die("Base64解码失败");
    }

    // 尝试Hex解码
    if (ctype_xdigit($decoded)) {
        $url = '';
        for ($i = 0; $i < strlen($decoded); $i += 2) {
            $hex = substr($decoded, $i, 2);
            $url .= chr(hexdec($hex));
        }
        return $url;
    }

    // 尝试XOR解密
    $key = "e82872efa9c6fbba"; // vkey前16位
    $url = '';
    for ($i = 0; $i < strlen($decoded); $i++) {
        $url .= chr(ord($decoded[$i]) ^ ord($key[$i % strlen($key)]));
    }

    // 尝试AES解密（备用）
    if (strpos($url, 'http') === false) {
        $fullKey = "e82872efa9c6fbba1bb58f0f3e4c2a13"; // 完整vkey
        $iv = substr($fullKey, 0, 16);
        $url = openssl_decrypt($decoded, 'AES-256-CBC', $fullKey, OPENSSL_RAW_DATA, $iv);
    }

    return $url ?: "解密失败，请检查密钥和加密方式";
}

$encoded = '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';
$decoded_url = decode_url($encoded);

echo "解密后的URL: " . $decoded_url;
?>
救救我啊大佬，搞半天了还是没搞出来，结果都是乱码，可以帮我改改吗？