DRM Messages
This article describes the valid format for the msg parameter of the sendDrmMessage method.
PlayReady
Pre-acquisition
<?xml version="1.0" encoding="utf-8"?>
<PlayReadyInitiator xmlns= "http://schemas.microsoft.com/DRM/2007/03/protocols/">
<LicenseAcquisition>
<Header>
<WRMHEADER xmlns= "http://schemas.microsoft.com/DRM/2007/03/PlayReadyHeader" version="4.0.0.0">
<DATA>
<PROTECTINFO>
<KEYLEN>16</KEYLEN>
<ALGID>AESCTR</ALGID>
</PROTECTINFO>
<LA_URL>http://rm.contoso.com/rightsmanager.asmx</LA_URL>
<KID>lFmb2gxg0Cr5bfEnJXgJeA==</KID>
<CHECKSUM>P7ORpD2IpA==</CHECKSUM>
</DATA>
</WRMHEADER>
</Header>
<CustomData>AuthZToken XYZ</CustomData>
</LicenseAcquisition>
</PlayReadyInitiator>
Element | Support by Device | Include by Service |
---|---|---|
Header | Mandatory | Mandatory |
CustomData | Mandatory | Optional |
Authentication with custom data for post-acquisition
License server url overriding for license post-acquisition
<?xml version="1.0" encoding="utf-8"?>
<PlayReadyInitiator xmlns="http://schemas.microsoft.com/DRM/2007/03/protocols/">
<LicenseServerUriOverride>
<LA_URL>http://rm.contoso.com/rightsmanager.asmx</LA_URL>
</LicenseServerUriOverride>
</PlayReadyInitiator>
After this message, all further license post-acquisitions send the license challenge to the specified LA_URL, not to the default LA_URL contained in the WRMHEADER of the content (application persistence). License pre-acquisitions are not affected by this command.
<?xml version="1.0" encoding="utf-8"?>
<PlayReadyInitiator xmlns="http://schemas.microsoft.com/DRM/2007/03/protocols/">
<LicenseServerUriOverride>
<LA_URL></LA_URL>
</LicenseServerUriOverride>
</PlayReadyInitiator>
After this message, all further license post-acquisitions send the license challenge to the default LA_URL contained in the WRMHEADER of the content (URL overriding canceled).
Set challenge customdata for license post-acquisition
<?xml version="1.0" encoding="utf-8"?>
<PlayReadyInitiator xmlns="http://schemas.microsoft.com/DRM/2007/03/protocols/">
<SetCustomData>
<CustomData>AuthZToken XYZ</CustomData>
</SetCustomData>
</PlayReadyInitiator>
After this message, all further license post-acquisitions use the specified value, as the CustomData value of the generated license challenges (application persistence). License pre-acquisitions are not affected by this command.
<?xml version="1.0" encoding="utf-8"?>
<PlayReadyInitiator xmlns="http://schemas.microsoft.com/DRM/2007/03/protocols/">
<SetCustomData>
<CustomData></CustomData>
</SetCustomData>
</PlayReadyInitiator>
After this message, all further license post-acquisitions use no CustomData value in the generated license challenges.