コード例 #1
0
        public static async Task <IActionResult> Run(
            [HttpTrigger(AuthorizationLevel.Function, "get", "post", Route = null)]
            HttpRequest req, ILogger log)
        {
            log.LogInformation("C# HTTP trigger function processed a request.");

            dynamic data;

            try
            {
                data = JsonConvert.DeserializeObject(new StreamReader(req.Body).ReadToEnd());
            }
            catch (Exception ex)
            {
                return(IrdetoHelpers.ReturnErrorException(log, ex));
            }


            var assetName = (string)data.assetName;

            if (assetName == null)
            {
                return(IrdetoHelpers.ReturnErrorException(log, "Error - please pass assetName in the JSON"));
            }


            // Azure region management
            var azureRegions = new List <string>();

            if ((string)data.azureRegion != null)
            {
                azureRegions = ((string)data.azureRegion).Split(',').ToList();
            }
            else
            {
                azureRegions.Add((string)null);
            }

            // semaphore file (json structure)
            VodSemaphore semaphore = null;

            if (data.semaphore != null)
            {
                semaphore = VodSemaphore.FromJson((string)data.semaphore);
            }


            // init default
            var    streamingLocatorGuid = Guid.NewGuid(); // same locator for the two ouputs if 2 live event namle created
            var    uniquenessLocator    = streamingLocatorGuid.ToString().Substring(0, 13);
            var    streamingLocatorName = "locator-" + uniquenessLocator;
            string locatorPath          = string.Empty;

            string uniquenessPolicyName = Guid.NewGuid().ToString().Substring(0, 13);

            // Default content id and semaphare value
            string irdetoContentId = null;

            if (semaphore != null && semaphore.DrmContentId != null) // semaphore data has higher priority
            {
                irdetoContentId = semaphore.DrmContentId;
            }
            else if (data.defaultIrdetoContentId != null)
            {
                irdetoContentId = (string)data.defaultIrdetoContentId;
            }

            var clientTasks = new List <Task <AssetEntry> >();

            foreach (var region in azureRegions)
            {
                var task = Task <AssetEntry> .Run(async() =>
                {
                    Asset asset = null;

                    ConfigWrapper config = new ConfigWrapper(new ConfigurationBuilder()
                                                             .SetBasePath(Directory.GetCurrentDirectory())
                                                             .AddEnvironmentVariables()
                                                             .Build(),
                                                             region
                                                             );

                    MediaServicesHelpers.LogInformation(log, "config loaded.", region);
                    MediaServicesHelpers.LogInformation(log, "connecting to AMS account : " + config.AccountName, region);

                    var client = await MediaServicesHelpers.CreateMediaServicesClientAsync(config);
                    // Set the polling interval for long running operations to 2 seconds.
                    // The default value is 30 seconds for the .NET client SDK
                    client.LongRunningOperationRetryTimeout = 2;

                    // let's get the asset
                    try
                    {
                        MediaServicesHelpers.LogInformation(log, "Getting asset.", region);
                        asset = await client.Assets.GetAsync(config.ResourceGroup, config.AccountName, assetName);
                    }
                    catch (Exception ex)
                    {
                        throw new Exception("Error when retreving asset by name", ex);
                    }


                    // Locator creation
                    try
                    {
                        StreamingLocator locator = null;
                        locator = await IrdetoHelpers.CreateClearLocator(config, streamingLocatorName, client, asset, streamingLocatorGuid);

                        MediaServicesHelpers.LogInformation(log, "locator : " + locator.Name, region);
                    }
                    catch (Exception ex)
                    {
                        throw new Exception("Error when creating the locator", ex);
                    }


                    // let's build info for the live event and output

                    AssetEntry assetEntry = await GenerateInfoHelpers.GenerateAssetInformation(config, client, asset, semaphore, irdetoContentId, region);

                    var locatorPath2 = assetEntry.StreamingLocators.Where(l => l.StreamingLocatorName == streamingLocatorName).First().Urls.Where(u => u.Protocol == OutputProtocol.SmoothStreaming.ToString()).First().Url;
                    var uriloc       = new Uri(locatorPath2);
                    locatorPath      = uriloc.Scheme + "://" + uriloc.Host + "/" + uriloc.Segments[1];

                    if (!await CosmosHelpers.CreateOrUpdateAssetDocument(assetEntry))
                    {
                        log.LogWarning("Cosmos access not configured.");
                    }

                    return(assetEntry);
                });

                clientTasks.Add(task);
            }

            try
            {
                Task.WaitAll(clientTasks.ToArray());
            }
            catch (Exception ex)
            {
                return(IrdetoHelpers.ReturnErrorException(log, ex));
            }

            return(new OkObjectResult(
                       JsonConvert.SerializeObject(new VodAssetInfoSimple {
                CreatedLocatorName = streamingLocatorName, CreatedLocatorPath = locatorPath, Success = true, Asset = clientTasks.Select(i => i.Result).First()
            }, Formatting.Indented)
                       ));
        }
        public static async Task <IActionResult> Run(
            [HttpTrigger(AuthorizationLevel.Function, "get", "post", Route = null)]
            HttpRequest req, ILogger log)
        {
            log.LogInformation("C# HTTP trigger function processed a request.");

            dynamic data;

            try
            {
                data = JsonConvert.DeserializeObject(new StreamReader(req.Body).ReadToEnd());
            }
            catch (Exception ex)
            {
                return(IrdetoHelpers.ReturnErrorException(log, ex));
            }


            var assetName = (string)data.assetName;

            if (assetName == null)
            {
                return(IrdetoHelpers.ReturnErrorException(log, "Error - please pass assetName in the JSON"));
            }


            // Azure region management
            var azureRegions = new List <string>();

            if ((string)data.azureRegion != null)
            {
                azureRegions = ((string)data.azureRegion).Split(',').ToList();
            }
            else
            {
                azureRegions.Add((string)null);
            }

            // semaphore file (json structure)
            VodSemaphore semaphore = null;

            if (data.semaphore != null)
            {
                semaphore = VodSemaphore.FromJson((string)data.semaphore);
            }


            // init default
            var streamingLocatorGuid = Guid.NewGuid(); // same locator for the two ouputs if 2 live event namle created
            var uniquenessLocator    = streamingLocatorGuid.ToString().Substring(0, 13);
            var streamingLocatorName = "locator-" + uniquenessLocator;

            string uniquenessPolicyName = Guid.NewGuid().ToString().Substring(0, 13);

            // useDRM init
            var useDRM = true;

            if (data.useDRM != null)
            {
                useDRM = (bool)data.useDRM;
            }
            else if (semaphore != null & semaphore.ClearStream != null)
            {
                useDRM = !(bool)semaphore.ClearStream;
            }


            // Default content id and semaphare value
            string irdetoContentId = null;

            if (semaphore != null && semaphore.DrmContentId != null) // semaphore data has higher priority
            {
                irdetoContentId = semaphore.DrmContentId;
            }
            else if (data.defaultIrdetoContentId != null)
            {
                irdetoContentId = (string)data.defaultIrdetoContentId;
            }

            DateTime?startTime = null;
            DateTime?endTime   = null;

            try
            {
                if (semaphore != null && semaphore.StartTime != null)
                {
                    startTime = DateTime.ParseExact(semaphore.StartTime, AssetEntry.DateFormat, System.Globalization.CultureInfo.InvariantCulture);
                }
                if (semaphore != null && semaphore.EndTime != null)
                {
                    endTime = DateTime.ParseExact(semaphore.EndTime, AssetEntry.DateFormat, System.Globalization.CultureInfo.InvariantCulture);
                }
            }
            catch (Exception ex)
            {
                return(IrdetoHelpers.ReturnErrorException(log, ex));
            }


            var cencKey = new StreamingLocatorContentKey();
            var cbcsKey = new StreamingLocatorContentKey();

            if (useDRM)
            {
                try
                {
                    ConfigWrapper config = new ConfigWrapper(new ConfigurationBuilder()
                                                             .SetBasePath(Directory.GetCurrentDirectory())
                                                             .AddEnvironmentVariables()
                                                             .Build(),
                                                             null);

                    MediaServicesHelpers.LogInformation(log, "Irdeto call...");

                    cencKey = await IrdetoHelpers.GenerateAndRegisterCENCKeyToIrdeto(irdetoContentId, config);

                    cbcsKey = await IrdetoHelpers.GenerateAndRegisterCBCSKeyToIrdeto(irdetoContentId, config);

                    MediaServicesHelpers.LogInformation(log, "Irdeto call done.");
                }
                catch (Exception ex)
                {
                    return(IrdetoHelpers.ReturnErrorException(log, ex, "Irdeto response error"));
                }
            }

            var clientTasks = new List <Task <AssetEntry> >();

            foreach (var region in azureRegions)
            {
                var task = Task <AssetEntry> .Run(async() =>
                {
                    Asset asset = null;
                    StreamingPolicy streamingPolicy = null;

                    ConfigWrapper config = new ConfigWrapper(new ConfigurationBuilder()
                                                             .SetBasePath(Directory.GetCurrentDirectory())
                                                             .AddEnvironmentVariables()
                                                             .Build(),
                                                             region
                                                             );

                    MediaServicesHelpers.LogInformation(log, "config loaded.", region);
                    MediaServicesHelpers.LogInformation(log, "connecting to AMS account : " + config.AccountName, region);

                    var client = await MediaServicesHelpers.CreateMediaServicesClientAsync(config);
                    // Set the polling interval for long running operations to 2 seconds.
                    // The default value is 30 seconds for the .NET client SDK
                    client.LongRunningOperationRetryTimeout = 2;

                    if (useDRM)
                    {
                        MediaServicesHelpers.LogInformation(log, "Trying to read streaming policy from Cosmos.", region);
                        string streamingPolicyName = null;
                        // Load streaming policy info from Cosmos
                        try
                        {
                            var info = await CosmosHelpers.ReadStreamingPolicyDocument(new StreamingPolicyInfo(true)
                            {
                                AMSAccountName = config.AccountName
                            });

                            if (info == null)
                            {
                                log.LogWarning("Streaming policy not read from Cosmos.");
                            }
                            else
                            {
                                streamingPolicyName = info.StreamingPolicyName;
                            }
                        }
                        catch (Exception ex)
                        {
                            throw new Exception("Error reading Cosmos DB", ex);
                        }


                        // STREAMING POLICY CREATION
                        if (streamingPolicyName == null) // not found in Cosmos let's create a new one
                        {
                            MediaServicesHelpers.LogInformation(log, "Creating streaming policy.", region);
                            try
                            {
                                streamingPolicy = await IrdetoHelpers.CreateStreamingPolicyIrdeto(config, client, uniquenessPolicyName);
                            }
                            catch (Exception ex)
                            {
                                throw new Exception("Streaming policy creation error", ex);
                            }

                            try
                            {
                                if (!await CosmosHelpers.CreateOrUpdatePolicyDocument(new StreamingPolicyInfo(true)
                                {
                                    AMSAccountName = config.AccountName,
                                    StreamingPolicyName = streamingPolicy.Name
                                }))
                                {
                                    log.LogWarning("Cosmos access not configured or error.");
                                }
                            }
                            catch (Exception ex)
                            {
                                throw new Exception("Streaming policy write error to Cosmos", ex);
                            }
                        }
                        else
                        {
                            MediaServicesHelpers.LogInformation(log, "Getting streaming policy in AMS.", region);
                            try
                            {
                                streamingPolicy = await client.StreamingPolicies.GetAsync(config.ResourceGroup, config.AccountName, streamingPolicyName);
                            }
                            catch (Exception ex)
                            {
                                throw new Exception("Error when getting streaming policy " + streamingPolicy, ex);
                            }
                        }
                    }


                    // let's get the asset
                    try
                    {
                        MediaServicesHelpers.LogInformation(log, "Getting asset.", region);
                        asset = await client.Assets.GetAsync(config.ResourceGroup, config.AccountName, assetName);
                    }
                    catch (Exception ex)
                    {
                        throw new Exception("Error when retreving asset by name", ex);
                    }


                    // Locator creation
                    try
                    {
                        StreamingLocator locator = null;
                        if (useDRM)
                        {
                            locator = await IrdetoHelpers.SetupDRMAndCreateLocatorWithNewKeys(config, streamingPolicy.Name,
                                                                                              streamingLocatorName, client, asset, cencKey, cbcsKey, streamingLocatorGuid, irdetoContentId, startTime, endTime);
                        }
                        else // no DRM
                        {
                            locator = await IrdetoHelpers.CreateClearLocator(config, streamingLocatorName, client, asset, streamingLocatorGuid, startTime, endTime);
                        }

                        MediaServicesHelpers.LogInformation(log, "locator : " + locator.Name, region);
                    }
                    catch (Exception ex)
                    {
                        throw new Exception("Error when creating the locator", ex);
                    }


                    // let's build info for the live event and output

                    AssetEntry assetEntry = await GenerateInfoHelpers.GenerateAssetInformation(config, client, asset, semaphore, irdetoContentId, region);

                    if (!await CosmosHelpers.CreateOrUpdateAssetDocument(assetEntry))
                    {
                        log.LogWarning("Cosmos access not configured.");
                    }

                    return(assetEntry);
                });

                clientTasks.Add(task);
            }

            try
            {
                Task.WaitAll(clientTasks.ToArray());
            }
            catch (Exception ex)
            {
                return(IrdetoHelpers.ReturnErrorException(log, ex));
            }

            return(new OkObjectResult(
                       JsonConvert.SerializeObject(new VodAssetInfo {
                Success = true, Assets = clientTasks.Select(i => i.Result).ToList()
            }, Formatting.Indented)
                       ));
        }