public async Task <IAzureMediaServicesClient> CreateMediaServicesClientAsync(LiveStreamSetting config)
{
ServiceClientCredentials credentials = await GetCredentialsAsync(config);
return(new AzureMediaServicesClient(config.ArmEndpoint, credentials)
{
SubscriptionId = config.SubscriptionId,
});
}
private async Task <ServiceClientCredentials> GetCredentialsAsync(LiveStreamSetting config)
{
// Use ConfidentialClientApplicationBuilder.AcquireTokenForClient to get a token using a service principal with symmetric key
var scopes = new[] { config.ArmAadAudience + "/.default" };
var app = ConfidentialClientApplicationBuilder.Create(config.AadClientId)
.WithClientSecret(config.AadSecret)
.WithAuthority(AzureCloudInstance.AzurePublic, config.AadTenantId)
.Build();
var authResult = await app.AcquireTokenForClient(scopes)
.ExecuteAsync()
.ConfigureAwait(false);
return(new TokenCredentials(authResult.AccessToken, TokenType));
}
public LiveStreamingService(IConfiguration appConfiguration, IMediaServiceClientFactory mediaServiceClientFactory)
{
_config = new LiveStreamSetting(appConfiguration);
_mediaServiceClientFactory = mediaServiceClientFactory;
}
