tpd94/CDRM-Extension
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TPD94 2025-06-15 18:25:54 -04:00
parent 31fd877bd9
commit 75b5d6e8ef
1 changed files with 9 additions and 99 deletions
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108
inject.js
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@ -1,16 +1,7 @@
let widevineDeviceInfo = null; let widevineDeviceInfo = null;
let playreadyDeviceInfo = null; let playreadyDeviceInfo = null;
let originalChallenge = null
let serviceCertFound = false;
let drmType = "NONE";
let psshFound = false;
let pssh = null;
let drmOverride = "DISABLED"; let drmOverride = "DISABLED";
let interceptType = "DISABLED"; let interceptType = "DISABLED";
let remoteCDM = null;
let generateRequestCalled = false;
let remoteListenerMounted = false;
let injectionSuccess = false;
// Post message to content.js to get DRM override // Post message to content.js to get DRM override
window.postMessage({ type: "__GET_DRM_OVERRIDE__" }, "*"); window.postMessage({ type: "__GET_DRM_OVERRIDE__" }, "*");
@ -102,7 +93,7 @@ class remotePlayReadyCDM {
}); });
const jsonData = await response.json(); const jsonData = await response.json();
if (response.ok && jsonData.data?.challenge) { if (response.ok && jsonData.data?.challenge) {
this.challenge = jsonData.data.challenge; this.challenge = btoa(jsonData.data.challenge);
console.log("PlayReady challenge received:", this.challenge); console.log("PlayReady challenge received:", this.challenge);
} else { } else {
console.error("Failed to get PlayReady challenge:", jsonData.message); console.error("Failed to get PlayReady challenge:", jsonData.message);
@ -111,7 +102,7 @@ class remotePlayReadyCDM {
} }
// Parse PlayReady license response // Parse PlayReady license response
async parseLicenseResponse(license_message) { async parseLicense(license_message) {
const url = `${this.host}/remotecdm/playready/${this.device_name}/parse_license`; const url = `${this.host}/remotecdm/playready/${this.device_name}/parse_license`;
const body = { const body = {
session_id: this.session_id, session_id: this.session_id,
@ -194,14 +185,12 @@ class remoteWidevineCDM {
// Open Widevine session // Open Widevine session
async openSession () { async openSession () {
const url = `${this.host}/remotecdm/widevine/${this.device_name}/open`; const url = `${this.host}/remotecdm/widevine/${this.device_name}/open`;
const response = await fetch(url, { const xhr = new XMLHttpRequest();
method: 'GET', xhr.open('GET', url, false);
headers: { xhr.setRequestHeader('Content-Type', 'application/json');
'Content-Type': 'application/json', xhr.send();
} const jsonData = JSON.parse(xhr.responseText);
}); if (jsonData.data?.session_id) {
const jsonData = await response.json();
if (response.ok && jsonData.data?.session_id) {
this.session_id = jsonData.data.session_id; this.session_id = jsonData.data.session_id;
console.log("Widevine session opened:", this.session_id); console.log("Widevine session opened:", this.session_id);
} else { } else {
@ -426,83 +415,4 @@ function arrayBufferToBase64(uint8array) {
} }
return window.btoa(binary); return window.btoa(binary);
} }
const generateRequestFunction = MediaKeySession.prototype.generateRequest;
MediaKeySession.prototype.generateRequest = async function(initDataType, initData) {
if (!generateRequestCalled) {
generateRequestCalled = true;
const session = this;
let playReadyPssh = getPlayReadyPssh(initData);
if (playReadyPssh) {
// PlayReady Code
drmType = "PlayReady";
window.postMessage({ type: "__DRM_TYPE__", data: "PlayReady" }, "*");
console.log("[DRM Detected] PlayReady");
pssh = playReadyPssh;
window.postMessage({ type: "__PSSH_DATA__", data: playReadyPssh }, "*");
console.log("[PlayReady PSSH found] " + playReadyPssh)
}
let wideVinePssh = getWidevinePssh(initData)
if (wideVinePssh) {
// Widevine code
drmType = "Widevine";
window.postMessage({ type: "__DRM_TYPE__", data: "Widevine" }, "*");
console.log("[DRM Detected] Widevine");
pssh = wideVinePssh;
window.postMessage({ type: "__PSSH_DATA__", data: wideVinePssh }, "*");
console.log("[Widevine PSSH found] " + wideVinePssh)
}
if (!remoteListenerMounted) {
remoteListenerMounted = true;
session.addEventListener("message", async function messageInterceptor(event) {
event.stopImmediatePropagation();
const uint8Array = new Uint8Array(event.message);
const base64challenge = arrayBufferToBase64(uint8Array);
if (base64challenge === "CAQ=") {
const {
device_type, system_id, security_level, host, secret, device_name
} = widevineDeviceInfo;
remoteCDM = new remoteWidevineCDM(device_type, system_id, security_level, host, secret, device_name);
await remoteCDM.openSession();
}
if (base64challenge.startsWith("CAES") && !injectionSuccess) {
if (interceptType === "EME") {
injectionSuccess = true;
}
originalChallenge = base64challenge;
if (!remoteCDM) {
const {
device_type, system_id, security_level, host, secret, device_name
} = widevineDeviceInfo;
remoteCDM = new remoteWidevineCDM(device_type, system_id, security_level, host, secret, device_name);
await remoteCDM.openSession();
}
await remoteCDM.getChallenge(pssh);
if (interceptType === "EME") {
const uint8challenge = base64ToUint8Array(remoteCDM.challenge);
const challengeBuffer = uint8challenge.buffer;
const syntheticEvent = new MessageEvent("message", {
data: event.data,
origin: event.origin,
lastEventId: event.lastEventId,
source: event.source,
ports: event.ports
});
Object.defineProperty(syntheticEvent, "message", {
get: () => challengeBuffer
});
session.dispatchEvent(syntheticEvent);
console.log("Intercepted EME Challenge and injected custom one.")
}
}
if (injectionSuccess) {
return;
}
})
console.log("Message interceptor mounted.");
}
return generateRequestFunction.call(session, initDataType, initData);
}}