License Acquisition Blocking + VdoCipher Support

python/schemes/VdoCipher.py

@@ -0,0 +1,15 @@
+from pyodide.ffi import to_js
+
+js.chrome.extension.getBackgroundPage().isBlock=False
+b64challenge = base64.b64encode(challenge).decode()
+
+payload = json.loads(base64.b64decode(licBody.encode()).decode())
+decoded_token = json.loads(base64.b64decode(payload['token']).decode())
+decoded_token['licenseRequest'] = b64challenge
+payload = {"token": base64.b64encode(json.dumps(decoded_token).encode()).decode()}
+
+res = await js.corsFetch(licUrl, "POST", to_js(licHeaders), json.dumps(payload))
+res = json.loads(base64.b64decode(res.encode()).decode())
+
+licence = base64.b64decode(res["license"].encode())
+js.chrome.extension.getBackgroundPage().isBlock=True