das Login
Performs a DAS login, automatically determining the DRM type based on the presence of a CONNECT opvault resource. The file name should be "connect_opvault" and placed in the "res/raw" directory of the application. If Connect login fails, it will fall back to Widevine login.
Return
The access token string on successful authentication
Throws
if DAS login fails or network error occurs
Performs a DAS login
Parameters
drm Type
The DRM type: "com.widevine.alpha" | "com.nagra.connect"
is L3
Whether the device is Widevine L3 (true) or L1 (false)
op Vault
CONNECT opvault bytes, or null for Widevine