I'm running into problems getting this to work.
import { AES_CMAC } from "./cmac.js"
import { Util } from "./util.js"
const { ClientIdentification, DrmCertificate, EncryptedClientIdentification, License, LicenseRequest, LicenseType,
ProtocolVersion, SignedDrmCertificate, SignedMessage, WidevinePsshData } = protobuf.roots.default.license_protocol;
export const SERVICE_CERTIFICATE_CHALLENGE = new Uint8Array([0x08, 0x04]);
const WIDEVINE_SYSTEM_ID = new Uint8Array([0xed, 0xef, 0x8b, 0xa9, 0x79, 0xd6, 0x4a, 0xce, 0xa3, 0xc8, 0x27, 0xdc, 0xd5, 0x1d, 0x21, 0xed]);
const PSSH_MAGIC = new Uint8Array([0x70, 0x73, 0x73, 0x68])
const WIDEVINE_ROOT_PUBLIC_KEY = new Uint8Array([
0x30, 0x82, 0x01, 0x8a, 0x02, 0x82, 0x01, 0x81, 0x00, 0xb4, 0xfe, 0x39, 0xc3, 0x65, 0x90, 0x03, 0xdb, 0x3c, 0x11, 0x97, 0x09, 0xe8, 0x68, 0xcd,
0xf2, 0xc3, 0x5e, 0x9b, 0xf2, 0xe7, 0x4d, 0x23, 0xb1, 0x10, 0xdb, 0x87, 0x65, 0xdf, 0xdc, 0xfb, 0x9f, 0x35, 0xa0, 0x57, 0x03, 0x53, 0x4c, 0xf6,
0x6d, 0x35, 0x7d, 0xa6, 0x78, 0xdb, 0xb3, 0x36, 0xd2, 0x3f, 0x9c, 0x40, 0xa9, 0x95, 0x26, 0x72, 0x7f, 0xb8, 0xbe, 0x66, 0xdf, 0xc5, 0x21, 0x98,
0x78, 0x15, 0x16, 0x68, 0x5d, 0x2f, 0x46, 0x0e, 0x43, 0xcb, 0x8a, 0x84, 0x39, 0xab, 0xfb, 0xb0, 0x35, 0x80, 0x22, 0xbe, 0x34, 0x23, 0x8b, 0xab,
0x53, 0x5b, 0x72, 0xec, 0x4b, 0xb5, 0x48, 0x69, 0x53, 0x3e, 0x47, 0x5f, 0xfd, 0x09, 0xfd, 0xa7, 0x76, 0x13, 0x8f, 0x0f, 0x92, 0xd6, 0x4c, 0xdf,
0xae, 0x76, 0xa9, 0xba, 0xd9, 0x22, 0x10, 0xa9, 0x9d, 0x71, 0x45, 0xd6, 0xd7, 0xe1, 0x19, 0x25, 0x85, 0x9c, 0x53, 0x9a, 0x97, 0xeb, 0x84, 0xd7,
0xcc, 0xa8, 0x88, 0x82, 0x20, 0x70, 0x26, 0x20, 0xfd, 0x7e, 0x40, 0x50, 0x27, 0xe2, 0x25, 0x93, 0x6f, 0xbc, 0x3e, 0x72, 0xa0, 0xfa, 0xc1, 0xbd,
0x29, 0xb4, 0x4d, 0x82, 0x5c, 0xc1, 0xb4, 0xcb, 0x9c, 0x72, 0x7e, 0xb0, 0xe9, 0x8a, 0x17, 0x3e, 0x19, 0x63, 0xfc, 0xfd, 0x82, 0x48, 0x2b, 0xb7,
0xb2, 0x33, 0xb9, 0x7d, 0xec, 0x4b, 0xba, 0x89, 0x1f, 0x27, 0xb8, 0x9b, 0x88, 0x48, 0x84, 0xaa, 0x18, 0x92, 0x0e, 0x65, 0xf5, 0xc8, 0x6c, 0x11,
0xff, 0x6b, 0x36, 0xe4, 0x74, 0x34, 0xca, 0x8c, 0x33, 0xb1, 0xf9, 0xb8, 0x8e, 0xb4, 0xe6, 0x12, 0xe0, 0x02, 0x98, 0x79, 0x52, 0x5e, 0x45, 0x33,
0xff, 0x11, 0xdc, 0xeb, 0xc3, 0x53, 0xba, 0x7c, 0x60, 0x1a, 0x11, 0x3d, 0x00, 0xfb, 0xd2, 0xb7, 0xaa, 0x30, 0xfa, 0x4f, 0x5e, 0x48, 0x77, 0x5b,
0x17, 0xdc, 0x75, 0xef, 0x6f, 0xd2, 0x19, 0x6d, 0xdc, 0xbe, 0x7f, 0xb0, 0x78, 0x8f, 0xdc, 0x82, 0x60, 0x4c, 0xbf, 0xe4, 0x29, 0x06, 0x5e, 0x69,
0x8c, 0x39, 0x13, 0xad, 0x14, 0x25, 0xed, 0x19, 0xb2, 0xf2, 0x9f, 0x01, 0x82, 0x0d, 0x56, 0x44, 0x88, 0xc8, 0x35, 0xec, 0x1f, 0x11, 0xb3, 0x24,
0xe0, 0x59, 0x0d, 0x37, 0xe4, 0x47, 0x3c, 0xea, 0x4b, 0x7f, 0x97, 0x31, 0x1c, 0x81, 0x7c, 0x94, 0x8a, 0x4c, 0x7d, 0x68, 0x15, 0x84, 0xff, 0xa5,
0x08, 0xfd, 0x18, 0xe7, 0xe7, 0x2b, 0xe4, 0x47, 0x27, 0x12, 0x11, 0xb8, 0x23, 0xec, 0x58, 0x93, 0x3c, 0xac, 0x12, 0xd2, 0x88, 0x6d, 0x41, 0x3d,
0xc5, 0xfe, 0x1c, 0xdc, 0xb9, 0xf8, 0xd4, 0x51, 0x3e, 0x07, 0xe5, 0x03, 0x6f, 0xa7, 0x12, 0xe8, 0x12, 0xf7, 0xb5, 0xce, 0xa6, 0x96, 0x55, 0x3f,
0x78, 0xb4, 0x64, 0x82, 0x50, 0xd2, 0x33, 0x5f, 0x91, 0x02, 0x03, 0x01, 0x00, 0x01
]);
const STAGING_PRIVACY_CERT = new Uint8Array([
0x0a, 0xbf, 0x02, 0x08, 0x03, 0x12, 0x10, 0x28, 0x70, 0x34, 0x54, 0xc0, 0x08, 0xf6, 0x36, 0x18, 0xad, 0xe7, 0x44, 0x3d, 0xb6, 0xc4, 0xc8, 0x18,
0x8b, 0xe7, 0xf9, 0x90, 0x05, 0x22, 0x8e, 0x02, 0x30, 0x82, 0x01, 0x0a, 0x02, 0x82, 0x01, 0x01, 0x00, 0xb5, 0x21, 0x12, 0xb8, 0xd0, 0x5d, 0x02,
0x3f, 0xcc, 0x5d, 0x95, 0xe2, 0xc2, 0x51, 0xc1, 0xc6, 0x49, 0xb4, 0x17, 0x7c, 0xd8, 0xd2, 0xbe, 0xef, 0x35, 0x5b, 0xb0, 0x67, 0x43, 0xde, 0x66,
0x1e, 0x3d, 0x2a, 0xbc, 0x31, 0x82, 0xb7, 0x99, 0x46, 0xd5, 0x5f, 0xdc, 0x08, 0xdf, 0xe9, 0x54, 0x07, 0x81, 0x5e, 0x9a, 0x62, 0x74, 0xb3, 0x22,
0xa2, 0xc7, 0xf5, 0xe0, 0x67, 0xbb, 0x5f, 0x0a, 0xc0, 0x7a, 0x89, 0xd4, 0x5a, 0xea, 0x94, 0xb2, 0x51, 0x6f, 0x07, 0x5b, 0x66, 0xef, 0x81, 0x1d,
0x0d, 0x26, 0xe1, 0xb9, 0xa6, 0xb8, 0x94, 0xf2, 0xb9, 0x85, 0x79, 0x62, 0xaa, 0x17, 0x1c, 0x4f, 0x66, 0x63, 0x0d, 0x3e, 0x4c, 0x60, 0x27, 0x18,
0x89, 0x7f, 0x5e, 0x1e, 0xf9, 0xb6, 0xaa, 0xf5, 0xad, 0x4d, 0xba, 0x2a, 0x7e, 0x14, 0x17, 0x6d, 0xf1, 0x34, 0xa1, 0xd3, 0x18, 0x5b, 0x5a, 0x21,
0x8a, 0xc0, 0x5a, 0x4c, 0x41, 0xf0, 0x81, 0xef, 0xff, 0x80, 0xa3, 0xa0, 0x40, 0xc5, 0x0b, 0x09, 0xbb, 0xc7, 0x40, 0xee, 0xdc, 0xd8, 0xf1, 0x4d,
0x67, 0x5a, 0x91, 0x98, 0x0f, 0x92, 0xca, 0x7d, 0xdc, 0x64, 0x6a, 0x06, 0xad, 0xad, 0x51, 0x01, 0xf7, 0x4a, 0x0e, 0x49, 0x8c, 0xc0, 0x1f, 0x00,
0x53, 0x2b, 0xac, 0x21, 0x78, 0x50, 0xbd, 0x90, 0x5e, 0x90, 0x92, 0x36, 0x56, 0xb7, 0xdf, 0xef, 0xef, 0x42, 0x48, 0x67, 0x67, 0xf3, 0x3e, 0xf6,
0x28, 0x3d, 0x4f, 0x42, 0x54, 0xab, 0x72, 0x58, 0x93, 0x90, 0xbe, 0xe5, 0x58, 0x08, 0xf1, 0xd6, 0x68, 0x08, 0x0d, 0x45, 0xd8, 0x93, 0xc2, 0xbc,
0xa2, 0xf7, 0x4d, 0x60, 0xa0, 0xc0, 0xd0, 0xa0, 0x99, 0x3c, 0xef, 0x01, 0x60, 0x47, 0x03, 0x33, 0x4c, 0x36, 0x38, 0x13, 0x94, 0x86, 0xbc, 0x9d,
0xaf, 0x24, 0xfd, 0x67, 0xa0, 0x7f, 0x9a, 0xd9, 0x43, 0x02, 0x03, 0x01, 0x00, 0x01, 0x3a, 0x12, 0x73, 0x74, 0x61, 0x67, 0x69, 0x6e, 0x67, 0x2e,
0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x63, 0x6f, 0x6d, 0x12, 0x80, 0x03, 0x98, 0x3e, 0x30, 0x35, 0x26, 0x75, 0xf4, 0x0b, 0xa7, 0x15, 0xfc,
0x24, 0x9b, 0xda, 0xe5, 0xd4, 0xac, 0x72, 0x49, 0xa2, 0x66, 0x65, 0x21, 0xe4, 0x36, 0x55, 0x73, 0x95, 0x29, 0x72, 0x1f, 0xf8, 0x80, 0xe0, 0xaa,
0xef, 0xc5, 0xe2, 0x7b, 0xc9, 0x80, 0xda, 0xea, 0xda, 0xbf, 0x3f, 0xc3, 0x86, 0xd0, 0x84, 0xa0, 0x2c, 0x82, 0x53, 0x78, 0x48, 0xcc, 0x75, 0x3f,
0xf4, 0x97, 0xb0, 0x11, 0xa7, 0xda, 0x97, 0x78, 0x8a, 0x00, 0xe2, 0xaa, 0x6b, 0x84, 0xcd, 0x7d, 0x71, 0xc0, 0x7a, 0x48, 0xeb, 0xf6, 0x16, 0x02,
0xcc, 0xa5, 0xa3, 0xf3, 0x20, 0x30, 0xa7, 0x29, 0x5c, 0x30, 0xda, 0x91, 0x5b, 0x91, 0xdc, 0x18, 0xb9, 0xbc, 0x95, 0x93, 0xb8, 0xde, 0x8b, 0xb5,
0x0f, 0x0d, 0xed, 0xc1, 0x29, 0x38, 0xb8, 0xe9, 0xe0, 0x39, 0xcd, 0xde, 0x18, 0xfa, 0x82, 0xe8, 0x1b, 0xb0, 0x32, 0x63, 0x0f, 0xe9, 0x55, 0xd8,
0x5a, 0x56, 0x6c, 0xe1, 0x54, 0x30, 0x0b, 0xf6, 0xd4, 0xc1, 0xbd, 0x12, 0x69, 0x66, 0x35, 0x6b, 0x28, 0x7d, 0x65, 0x7b, 0x18, 0xce, 0x63, 0xd0,
0xef, 0xd4, 0x5f, 0xc5, 0x26, 0x9e, 0x97, 0xea, 0xb1, 0x1c, 0xb5, 0x63, 0xe5, 0x56, 0x43, 0xb2, 0x6f, 0xf4, 0x9f, 0x10, 0x9c, 0x21, 0x01, 0xaf,
0xca, 0xf3, 0x5b, 0x83, 0x2f, 0x28, 0x8f, 0x0d, 0x9d, 0x45, 0x96, 0x0e, 0x25, 0x9e, 0x85, 0xfb, 0x5d, 0x24, 0xdb, 0xd2, 0xcf, 0x82, 0x76, 0x4c,
0x5d, 0xd9, 0xbf, 0x72, 0x7e, 0xfb, 0xe9, 0xc8, 0x61, 0xf8, 0x69, 0x32, 0x1f, 0x6a, 0xde, 0x18, 0x90, 0x5f, 0x4d, 0x92, 0xf9, 0xa6, 0xda, 0x65,
0x36, 0xdb, 0x84, 0x75, 0x87, 0x1d, 0x16, 0x8e, 0x87, 0x0b, 0xb2, 0x30, 0x3c, 0xf7, 0x0c, 0x6e, 0x97, 0x84, 0xc9, 0x3d, 0x2d, 0xe8, 0x45, 0xad,
0x82, 0x62, 0xbe, 0x7e, 0x0d, 0x4e, 0x2e, 0x4a, 0x07, 0x59, 0xce, 0xf8, 0x2d, 0x10, 0x9d, 0x25, 0x92, 0xc7, 0x24, 0x29, 0xf8, 0xc0, 0x17, 0x42,
0xba, 0xe2, 0xb3, 0xde, 0xca, 0xdb, 0xc3, 0x3c, 0x3e, 0x5f, 0x4b, 0xaf, 0x5e, 0x16, 0xec, 0xb7, 0x4e, 0xad, 0xba, 0xfc, 0xb7, 0xc6, 0x70, 0x5f,
0x7a, 0x9e, 0x3b, 0x6f, 0x39, 0x40, 0x38, 0x3f, 0x9c, 0x51, 0x16, 0xd2, 0x02, 0xa2, 0x0c, 0x92, 0x29, 0xee, 0x96, 0x9c, 0x25, 0x19, 0x71, 0x83,
0x03, 0xb5, 0x0d, 0x01, 0x30, 0xc3, 0x35, 0x2e, 0x06, 0xb0, 0x14, 0xd8, 0x38, 0x54, 0x0f, 0x8a, 0x0c, 0x22, 0x7c, 0x00, 0x11, 0xe0, 0xf5, 0xb3,
0x8e, 0x4e, 0x29, 0x8e, 0xd2, 0xcb, 0x30, 0x1e, 0xb4, 0x56, 0x49, 0x65, 0xf5, 0x5c, 0x5d, 0x79, 0x75, 0x7a, 0x25, 0x0a, 0x4e, 0xb9, 0xc8, 0x4a,
0xb3, 0xe6, 0x53, 0x9f, 0x6b, 0x6f, 0xdf, 0x56, 0x89, 0x9e, 0xa2, 0x99, 0x14
])
export class Session {
constructor(contentDecryptionModule, pssh) {
this._devicePrivateKey = forge.pki.privateKeyFromPem(
contentDecryptionModule.privateKey
)
this._identifierBlob = ClientIdentification.decode(
contentDecryptionModule.identifierBlob
)
if (typeof pssh === "string") {
pssh = Util.b64.decode(pssh)
}
this._pssh = pssh
}
async setDefaultServiceCertificate() {
await this.setServiceCertificate(STAGING_PRIVACY_CERT)
}
async setServiceCertificateFromMessage(rawSignedMessage) {
const signedMessage = SignedMessage.decode(new Uint8Array(rawSignedMessage))
if (!signedMessage.msg) {
throw new Error("the service certificate message does not contain a message")
}
await this.setServiceCertificate(signedMessage.msg)
}
async setServiceCertificate(serviceCertificate) {
const signedServiceCertificate = SignedDrmCertificate.decode(
serviceCertificate
)
if (!(await this._verifyServiceCertificate(signedServiceCertificate))) {
throw new Error("Service certificate is not signed by the Widevine root certificate")
}
this._serviceCertificate = signedServiceCertificate
}
createLicenseRequest(licenseType = LicenseType.STREAMING, android = false) {
if (Util.sequenceEquals(this._pssh.subarray(4, 8), PSSH_MAGIC)) {
if (Util.sequenceEquals(this._pssh.subarray(12, 28), WIDEVINE_SYSTEM_ID)) {
this._pssh = this._pssh.subarray(32)
} else {
throw new Error(`Invalid System ID in PSSH Box: ${Util.bytesToHex(this._pssh.subarray(12, 28))}`)
}
}
const pssh = this._parseWidevinePsshData(this._pssh)
if (!pssh) {
throw new Error("Invalid WidevinePsshData found")
}
const request_id = android ? this._generateAndroidIdentifier() : this._generateGenericIdentifier();
const licenseRequest = new LicenseRequest({
type: LicenseRequest.RequestType.NEW,
contentId: new LicenseRequest.ContentIdentification({
widevinePsshData: new LicenseRequest.ContentIdentification.WidevinePsshData({
psshData: [this._pssh],
licenseType: licenseType,
requestId: request_id
})
}),
requestTime: Math.floor(Date.now() / 1000),
protocolVersion: ProtocolVersion.VERSION_2_1,
keyControlNonce: Math.floor(Math.random() * 2 ** 31)
})
if (this._serviceCertificate) {
licenseRequest.encryptedClientId = this._encryptClientIdentification(
this._identifierBlob,
this._serviceCertificate
)
} else {
licenseRequest.clientId = this._identifierBlob
}
this._rawLicenseRequest = LicenseRequest.encode(licenseRequest).finish()
const pss = forge.pss.create({
md: forge.md.sha1.create(),
mgf: forge.mgf.mgf1.create(forge.md.sha1.create()),
saltLength: 20
})
const md = forge.md.sha1.create()
md.update(Util.utf8.decode(this._rawLicenseRequest), "raw")
const signature = Util.utf8.encode(this._devicePrivateKey.sign(md, pss))
const signedLicenseRequest = new SignedMessage({
type: SignedMessage.MessageType.LICENSE_REQUEST,
msg: this._rawLicenseRequest,
signature: signature
})
return [SignedMessage.encode(signedLicenseRequest).finish(), request_id]
}
async parseLicense(rawLicense) {
if (!this._rawLicenseRequest) {
throw new Error("please request a license first")
}
const signedLicense = SignedMessage.decode(new Uint8Array(rawLicense))
if (!signedLicense.sessionKey) {
throw new Error("the license does not contain a session key")
}
if (!signedLicense.msg) {
throw new Error("the license does not contain a message")
}
if (!signedLicense.signature) {
throw new Error("the license does not contain a signature")
}
const sessionKey = this._devicePrivateKey.decrypt(
Util.utf8.decode(signedLicense.sessionKey),
"RSA-OAEP",
{
md: forge.md.sha1.create()
}
)
const cmac = new AES_CMAC(Util.utf8.encode(sessionKey))
const encKeyBase = new Uint8Array([
...Util.utf8.encode("ENCRYPTION"),
...new Uint8Array([0x00]),
...this._rawLicenseRequest,
...new Uint8Array([0x00, 0x00, 0x00, 0x80])
])
const authKeyBase = new Uint8Array([
...Util.utf8.encode("AUTHENTICATION"),
...new Uint8Array([0x00]),
...this._rawLicenseRequest,
...new Uint8Array([0x00, 0x00, 0x02, 0x00])
])
const encKey = await cmac.calculate(
new Uint8Array([
...new Uint8Array([0x01]),
...encKeyBase
])
)
const server_key_1 = await cmac.calculate(new Uint8Array([
...new Uint8Array([0x01]),
...authKeyBase
]))
const server_key_2 = await cmac.calculate(new Uint8Array([
...new Uint8Array([0x02]),
...authKeyBase
]))
const serverKey = new Uint8Array([
...new Uint8Array(server_key_1),
...new Uint8Array(server_key_2)
])
const hmac = forge.hmac.create()
hmac.start(forge.md.sha256.create(), Util.utf8.decode(serverKey), "raw")
hmac.update(Util.utf8.decode(signedLicense.msg))
const calculatedSignature = Util.utf8.encode(hmac.digest().data)
if (!Util.sequenceEquals(calculatedSignature, signedLicense.signature)) {
throw new Error("signatures do not match")
}
const license = License.decode(signedLicense.msg)
const keyContainers = license.key.map(keyContainer => {
if (keyContainer.type && keyContainer.type === 2 && keyContainer.key && keyContainer.iv) {
const keyBuffer = forge.util.createBuffer(encKey, 'raw');
const decipher = forge.cipher.createDecipher(
"AES-CBC",
keyBuffer
)
decipher.start({
iv: Util.utf8.decode(keyContainer.iv)
})
decipher.update(forge.util.createBuffer(keyContainer.key))
decipher.finish()
return {
kid: keyContainer.id.length !== 0 ? Util.bytesToHex(keyContainer.id) : "00000000000000000000000000000000",
k: Util.bytesToHex(Util.utf8.encode(decipher.output.data))
}
}
})
const valid_containers = keyContainers.filter(container => !!container);
if (valid_containers.length < 1) {
throw new Error("there was not a single valid key in the response")
}
return valid_containers;
}
_encryptClientIdentification(clientIdentification, signedServiceCertificate) {
if (!signedServiceCertificate.drmCertificate) {
throw new Error("the service certificate does not contain an actual certificate")
}
const serviceCertificate = DrmCertificate.decode(
signedServiceCertificate.drmCertificate
)
console.log("[WidevineProxy2]", "SERVICE_CERTIFICATE", serviceCertificate);
if (!serviceCertificate.publicKey) {
throw new Error("the service certificate does not contain a public key")
}
const key = forge.random.getBytesSync(16)
const iv = forge.random.getBytesSync(16)
const cipher = forge.cipher.createCipher("AES-CBC", key)
cipher.start({
iv: iv
})
cipher.update(
forge.util.createBuffer(
ClientIdentification.encode(clientIdentification).finish()
)
)
cipher.finish()
const rawEncryptedClientIdentification = Util.utf8.encode(cipher.output.data)
const publicKey = forge.pki.publicKeyFromAsn1(
forge.asn1.fromDer(
Util.utf8.decode(serviceCertificate.publicKey)
)
)
const encryptedKey = publicKey.encrypt(key, "RSA-OAEP", {
md: forge.md.sha1.create()
})
return new EncryptedClientIdentification({
encryptedClientId: rawEncryptedClientIdentification,
encryptedClientIdIv: Util.utf8.encode(iv),
encryptedPrivacyKey: Util.utf8.encode(encryptedKey),
providerId: serviceCertificate.providerId,
serviceCertificateSerialNumber: serviceCertificate.serialNumber
})
}
async _verifyServiceCertificate(signedServiceCertificate) {
if (!signedServiceCertificate.drmCertificate) {
throw new Error("the service certificate does not contain an actual certificate")
}
if (!signedServiceCertificate.signature) {
throw new Error("the service certificate does not contain a signature")
}
const pss = forge.pss.create({
md: forge.md.sha1.create(),
mgf: forge.mgf.mgf1.create(forge.md.sha1.create()),
saltLength: 20
})
const sha1 = forge.md.sha1.create()
sha1.update(
Util.utf8.decode(signedServiceCertificate.drmCertificate),
"raw"
)
const publicKey = forge.pki.publicKeyFromAsn1(
forge.asn1.fromDer(
Util.utf8.decode(WIDEVINE_ROOT_PUBLIC_KEY)
)
)
return publicKey.verify(
sha1.digest().bytes(),
Util.utf8.decode(signedServiceCertificate.signature),
pss
)
}
_parseWidevinePsshData(pssh) {
try {
return WidevinePsshData.decode(pssh)
} catch {
return null
}
}
_generateAndroidIdentifier() {
const randomBytes = Util.utf8.encode(forge.random.getBytesSync(8));
return Util.utf8.encode(`${Util.bytesToHex(randomBytes)}0100000000000000`)
}
_generateGenericIdentifier() {
return Util.utf8.encode(forge.random.getBytesSync(16))
}
static psshDataToPsshBoxB64(pssh_data) {
const dataLength = pssh_data.length;
const totalLength = dataLength + 32;
const pssh = new Uint8Array([
...Util.u32toBytes(totalLength),
...PSSH_MAGIC,
...new Uint8Array(4),
...WIDEVINE_SYSTEM_ID,
...Util.u32toBytes(dataLength),
...pssh_data
]);
return Util.b64.encode(pssh);
}
getPSSH() {
return Session.psshDataToPsshBoxB64(this._pssh)
}
}
Site is geoblocked & requires a login, but content is freely available.
I'm running into problems getting this to work.
Link - https://www.hotstar.com/in/shows/naagin/1971002157/a-mysterious-woman-haunts-ritik/1971060158/watch
Error -
Uncaught (in promise) Error: Invalid WidevinePsshData foundContext
lib/cdm.js
Stack Trace
lib/cdm.js:114 (anonymous function)
Site is geoblocked & requires a login, but content is freely available.