tpd94/CDRM-Extension
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extract DRM PSSH detection and storage into a separate function

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This commit is contained in:
voldemort 2025-07-22 09:56:05 +07:00
parent 81f44b2f0e
commit a40a6abaf7
1 changed files with 22 additions and 13 deletions
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35
src/inject.js
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@ -556,23 +556,32 @@ function ensureRemoteCDM(type, deviceInfo, pssh) {
}
}
function detectAndStorePssh(initData) {
const detections = [
{
type: "PlayReady",
getter: getPlayReadyPssh,
store: (pssh) => (foundPlayreadyPssh = pssh),
},
{ type: "Widevine", getter: getWidevinePssh, store: (pssh) => (foundWidevinePssh = pssh) },
];
detections.forEach(({ type, getter, store }) => {
const pssh = getter(initData);
if (pssh) {
logWithPrefix(`[DRM Detected] ${type}`);
store(pssh);
logWithPrefix(`[${type} PSSH found] ${pssh}`);
}
});
}
// Challenge generator interceptor
const originalGenerateRequest = MediaKeySession.prototype.generateRequest;
MediaKeySession.prototype.generateRequest = function (initDataType, initData) {
const session = this;
let playReadyPssh = getPlayReadyPssh(initData);
if (playReadyPssh) {
logWithPrefix("[DRM Detected] PlayReady");
foundPlayreadyPssh = playReadyPssh;
logWithPrefix("[PlayReady PSSH found] " + playReadyPssh);
}
let wideVinePssh = getWidevinePssh(initData);
if (wideVinePssh) {
// Widevine code
logWithPrefix("[DRM Detected] Widevine");
foundWidevinePssh = wideVinePssh;
logWithPrefix("[Widevine PSSH found] " + wideVinePssh);
}
detectAndStorePssh(initData);
// Challenge message interceptor
if (!remoteListenerMounted) {
remoteListenerMounted = true;