/// <summary>
/// Generates streaming locator using Azure Front Door URL
/// This implementation is based on https://github.com/Azure-Samples/media-services-v3-dotnet-core-tutorials/tree/master/NETCore/EncodeHTTPAndPublishAESEncrypted
/// </summary>
/// <param name="client">Azure Media Services instance client</param>
/// <param name="config">Azure Media Services instance configuration</param>
/// <param name="locatorName">locator name</param>
/// <param name="keyIdentifier">key identifier</param>
/// <returns></returns>
private async Task <string> GenerateStreamingUrl(IAzureMediaServicesClient client, MediaServiceConfigurationModel config, string locatorName, string keyIdentifier)
{
// Get token to access content
var token = MediaServicesHelper.GetToken(this.configService.TokenIssuer, this.configService.TokenAudience, keyIdentifier, this.configService.GetClearKeyStreamingKey());
// Get list of all paths associated with specific locator
var paths = await client.StreamingLocators.ListPathsAsync(config.ResourceGroup, config.AccountName, locatorName).ConfigureAwait(false);
// Create Dash URL
for (var i = 0; i < paths.StreamingPaths.Count; i++)
{
var uriBuilder = new UriBuilder();
uriBuilder.Scheme = "https";
uriBuilder.Host = this.configService.FrontDoorHostName;
if (paths.StreamingPaths[i].Paths.Count > 0)
{
if (paths.StreamingPaths[i].StreamingProtocol == StreamingPolicyStreamingProtocol.Dash)
{
uriBuilder.Path = paths.StreamingPaths[i].Paths[0];
var dashPath = uriBuilder.ToString();
return($"https://ampdemo.azureedge.net/?url={dashPath}&aes=true&aestoken=Bearer%3D{token}");
}
}
}
return(null);
}