public LicenseResponse Post([FromBody] LicenseRequest request)
{
if (request == null)
{
throw new BadRequestException("Request body could not be deserialized as a license request.");
}
request.Validate();
_telemetry.TrackEvent("LicenseRequest", new Dictionary <string, string>
{
{ "KeySessionType", request.SessionType }
}, new Dictionary <string, double>
{
{ "RequestedKeyCount", request.KeyIdsAsBase64Url.Length }
});
// 404 if a key is missing
foreach (var requestedKey in request.KeyIds)
{
if (!KeyDatabase.Current.Keys.ContainsKey(requestedKey))
{
throw new HttpResponseException(new HttpResponseMessage
{
StatusCode = System.Net.HttpStatusCode.NotFound,
ReasonPhrase = "Key is not in database: " + requestedKey
});
}
}
return(new LicenseResponse
{
// Whatever session type was requested shall be in the response.
SessionType = request.SessionType,
Keys = request.KeyIds.Select(kid => new ContentKey
{
IdAsBase64Url = ConvertHelpers.ByteArrayToBase64Url(kid.ToBigEndianByteArray()),
ValueAsBase64Url = ConvertHelpers.ByteArrayToBase64Url(KeyDatabase.Current.Keys[kid])
}).ToArray()
});
}
