Sleazy Fork

function parseSearchParams(searchParams: URLSearchParams, initialObject = {}): {} {
    return [...searchParams.entries()].reduce((acc, [key, value]) => ({ ...acc, [key]: value }), initialObject);
}
async function getXVersion(urlString: string): Promise<string> {
    let url = new URL(urlString)
    let params = parseSearchParams(url.searchParams)
    const data = new TextEncoder().encode(`${url.pathname.split("/").pop()}_${params['expires']}_5nFp9kmbNnHdAFhaqMvt`);
    const hashBuffer = await crypto.subtle.digest("SHA-1", data);
    return Array.from(new Uint8Array(hashBuffer))
        .map(b => b.toString(16).padStart(2, "0"))
        .join("");
}
fetch(url, {
    'headers': Object.assign({
        'accept': 'application/json, text/plain, */*',
        'x-version': await getXVersion(url)
    }, headers),
    "referrerPolicy": "strict-origin-when-cross-origin",
    'referrer': referrer,
    'method': 'GET',
    'mode': 'cors',
    'redirect': 'follow',
    'credentials': 'omit'
})

这是啥