DRM-Request-Capture-Extensions/Aha Capture/background.js

128 lines
5.0 KiB
JavaScript

const tabIDs = {};
const textDecoder = new TextDecoder();
function requestToClipboard(tabId) {
chrome.tabs.get(tabId, (details) => {
const lic_headers = tabIDs[details.id].license_request[0]?.license_headers;
const lic_url = tabIDs[details.id].license_url;
const lic_data_json = tabIDs[details.id].license_data;
const mpd_link = tabIDs[details.id].mpd_url;
const video_link = tabIDs[details.id].player_url;
if (!lic_headers)
return;
// Fetching the user's ip for setting the header X-Forwarded-For.
// This might help to bypass regional restrictions when performing the license request in some cases.
const ip_retrieve_link = "https://ipinfo.io/ip";
var get_ip = new XMLHttpRequest();
get_ip.open('GET', ip_retrieve_link, true);
get_ip.onload = function () {
var ip_resposnse = this.responseText;
console.log(ip_resposnse);
var i = 0;
let curl_license_data = "curl ";
curl_license_data += `'${lic_url}' \\`;
for (; i < lic_headers.length; ++i)
curl_license_data += `\n -H '${lic_headers[i].name.toLowerCase()}: ${lic_headers[i].value}' \\`;
curl_license_data += `\n -H 'x-forwarded-for: ${ip_resposnse}' \\`;
curl_license_data += "\n --data-raw ";
if (lic_data_json.includes("u0008")) {
curl_license_data += `${lic_data_json} \\`;
} else {
curl_license_data += `'${lic_data_json}' \\`; /* It is not the same as above line. Note the additional ' symbol at the start and end! */
}
curl_license_data += "\n --compressed";
// Generating the curl license text link for https://t.me/drm_downloader_robot
const aha_gen_link = "https://drm-bot.herokuapp.com/aha.php";
var data = new FormData();
data.append('playlist', curl_license_data);
data.append('api', 'api');
var gen_link = new XMLHttpRequest();
gen_link.open('POST', aha_gen_link, true);
gen_link.onload = function () {
var gen_link_resposnse = this.responseText;
let json_resp = JSON.parse(gen_link_resposnse);
console.log(json_resp);
let generated_license_link = json_resp.data;
const final = `${video_link}*${mpd_link}*${generated_license_link}`;
console.log(final);
const copyText = document.createElement("textarea");
copyText.style.position = "absolute";
copyText.style.left = "-5454px";
copyText.style.top = "-5454px";
copyText.style.opacity = 0;
document.body.appendChild(copyText);
copyText.value = final;
copyText.select();
document.execCommand("copy");
document.body.removeChild(copyText);
chrome.browserAction.setBadgeBackgroundColor({color: "#FF0000", tabId: details.id});
chrome.browserAction.setBadgeText({text: "📋", tabId: details.id});
alert("The aha link and the mpd link and the generated link of widevine license curl data has been copied to your clipboard successfully!\n\nNow go to https://t.me/drm_downloader_robot and paste it and send it to the bot.");
}
gen_link.send(data);
}
get_ip.send();
});
}
function getLicenseRequestData(details) {
if (details.url.includes(".mpd")) {
console.log(details.url);
tabIDs[details.tabId].mpd_url = details.url;
} else if (details.requestBody && details.requestBody.raw && details.method == "POST") {
for (var j = 0; j < details.requestBody.raw.length; ++j) {
try {
const decodedString = textDecoder.decode(details.requestBody.raw[j].bytes);
const encodedString = btoa(unescape(encodeURIComponent(decodedString)));
// If the license request does not uses json payloads the data has been sent in raw format.
// But the base64 encoded format of it will have the characters "CAES".
if (encodedString.includes("CAES")) {
tabIDs[details.tabId].license_data = `$'\\u0008\\u0004'`
tabIDs[details.tabId].license_url = details.url
tabIDs[details.tabId].req_id = details.requestId
} else {
return;
}
} catch (e) {
console.error(e);
}
}
}
}
chrome.webRequest.onBeforeRequest.addListener(
getLicenseRequestData,
{ urls: ["https://streaming-vod-aha.akamaized.net/*", "https://widevine-proxy.api.aha.firstlight.ai/*"], types: ["xmlhttprequest"] },
["requestBody"]
);
function getLicenseRequestHeaders(details) {
if (details.method == "POST" && tabIDs[details.tabId] && tabIDs[details.tabId].license_url === details.url && tabIDs[details.tabId].req_id === details.requestId) {
console.log(details.url);
tabIDs[details.tabId].license_request.push({license_headers: details.requestHeaders});
requestToClipboard(details.tabId);
}
}
chrome.webRequest.onBeforeSendHeaders.addListener(
getLicenseRequestHeaders,
{ urls: ["https://widevine-proxy.api.aha.firstlight.ai/*"], types: ["xmlhttprequest"] },
["requestHeaders"]
);
chrome?.tabs?.onUpdated?.addListener((tabId, changeInfo, tab) => {
if (tab.url.includes("https://www.aha.video/player/")) {
tabIDs[tabId] = {license_data: "", license_request: [], license_url: "", req_id: "", mpd_url: "", player_url: tab.url};
}
});