示例#1
0
        // <SnippetAMSDownloadRequested>
        private async void DownloadRequested(AdaptiveMediaSource sender, AdaptiveMediaSourceDownloadRequestedEventArgs args)
        {
            // rewrite key URIs to replace http:// with https://
            if (args.ResourceType == AdaptiveMediaSourceResourceType.Key)
            {
                string originalUri = args.ResourceUri.ToString();
                string secureUri   = originalUri.Replace("http:", "https:");

                // override the URI by setting property on the result sub object
                args.Result.ResourceUri = new Uri(secureUri);
            }

            if (args.ResourceType == AdaptiveMediaSourceResourceType.Manifest)
            {
                AdaptiveMediaSourceDownloadRequestedDeferral deferral = args.GetDeferral();
                args.Result.Buffer = await CreateMyCustomManifest(args.ResourceUri);

                deferral.Complete();
            }

            if (args.ResourceType == AdaptiveMediaSourceResourceType.MediaSegment)
            {
                var resourceUri = args.ResourceUri.ToString() + "?range=" +
                                  args.ResourceByteRangeOffset + "-" + (args.ResourceByteRangeLength - 1);

                // override the URI by setting a property on the result sub object
                args.Result.ResourceUri = new Uri(resourceUri);

                // clear the byte range properties on the result sub object
                args.Result.ResourceByteRangeOffset = null;
                args.Result.ResourceByteRangeLength = null;
            }
        }
示例#2
0
        private async void DownloadRequested(AdaptiveMediaSource sender, AdaptiveMediaSourceDownloadRequestedEventArgs args)
        {
            // rewrite key URIs to replace http:// with https://
            if (args.ResourceType == AdaptiveMediaSourceResourceType.Key)
            {
                string originalUri = args.ResourceUri.ToString();
                string secureUri   = originalUri.Replace("http:", "https:");

                // override the URI by setting property on the result sub object
                args.Result.ResourceUri = new Uri(secureUri);
            }

            if (args.ResourceType == AdaptiveMediaSourceResourceType.Manifest)
            {
                AdaptiveMediaSourceDownloadRequestedDeferral deferral = args.GetDeferral();
                // args.Result.Buffer = await CreateMyCustomManifest(args.ResourceUri);
                deferral.Complete();
            }
        }
示例#3
0
        private async Task AppDownloadedKeyRequest(AdaptiveMediaSourceDownloadRequestedEventArgs args)
        {
            if (adaptiveContentModel == null)
            {
                return;
            }

            // For AzureKeyAcquisitionMethod.ApplicationDownloaded we do the following:
            //   Call .GetDeferral() to allow asynchronous work to be performed
            //   Get the requested network resource using app code
            //   Set .Result.InputStream or .Result.Buffer with the response data
            //   Complete the deferral to indicate that we are done.
            // With this pattern, the app has complete control over any downloaded content.

            // Obtain a deferral so we can perform asynchronous operations.
            var deferral = args.GetDeferral();

            try
            {
                var appHttpClientForKeys = new HttpClient();
                appHttpClientForKeys.DefaultRequestHeaders.Authorization = new HttpCredentialsHeaderValue("Bearer", adaptiveContentModel.AesToken);

                HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Get, args.ResourceUri);

                HttpResponseMessage response = await appHttpClientForKeys.SendRequestAsync(
                    request, HttpCompletionOption.ResponseHeadersRead).AsTask(ctsForAppHttpClientForKeys.Token);

                if (response.IsSuccessStatusCode)
                {
                    args.Result.InputStream = await response.Content.ReadAsInputStreamAsync();

                    // Alternatively, we could use:
                    // args.Result.Buffer = await response.Content.ReadAsBufferAsync();
                }
                else
                {
                    // The app code failed. Report this by setting the args.Result.ExtendedStatus.
                    // This will ensure that the AdaptiveMediaSource does not attempt to download the resource
                    // itself, and instead treats the download as having failed.
                    switch (response.StatusCode)
                    {
                    case HttpStatusCode.Unauthorized:
                        // HTTP_E_STATUS_DENIED
                        args.Result.ExtendedStatus = 0x80190191;
                        break;

                    case HttpStatusCode.NotFound:
                        // HTTP_E_STATUS_NOT_FOUND
                        args.Result.ExtendedStatus = 0x80190194;
                        break;

                    default:
                        // HTTP_E_STATUS_UNEXPECTED
                        args.Result.ExtendedStatus = 0x80190001;
                        break;
                    }
                    Log($"Key Download Failed: {response.StatusCode} {args.ResourceUri}");
                }
            }
            catch (TaskCanceledException)
            {
                Log($"Request canceled: {args.ResourceUri}");
            }
            catch (Exception e)
            {
                Log($"Key Download Failed: {e.Message} {args.ResourceUri}");
            }
            finally
            {
                // Complete the deferral when done.
                deferral.Complete();
            }
        }
        private async Task AppDownloadedKeyRequest(AdaptiveMediaSourceDownloadRequestedEventArgs args)
        {
            if (adaptiveContentModel == null)
            {
                return;
            }

            // For AzureKeyAcquisitionMethod.ApplicationDownloaded we do the following:
            //   Call .GetDeferral() to allow asynchronous work to be performed
            //   Get the requested network resource using app code
            //   Set .Result.InputStream or .Result.Buffer with the response data
            //   Complete the deferral to indicate that we are done.
            // With this pattern, the app has complete control over any downloaded content.

            // Obtain a deferral so we can perform asynchronous operations.
            var deferral = args.GetDeferral();
            try
            {
                var appHttpClientForKeys = new HttpClient();
                appHttpClientForKeys.DefaultRequestHeaders.Authorization = new HttpCredentialsHeaderValue("Bearer", adaptiveContentModel.AesToken);

                HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Get, args.ResourceUri);

                HttpResponseMessage response = await appHttpClientForKeys.SendRequestAsync(
                    request, HttpCompletionOption.ResponseHeadersRead).AsTask(ctsForAppHttpClientForKeys.Token);

                if (response.IsSuccessStatusCode)
                {
                    args.Result.InputStream = await response.Content.ReadAsInputStreamAsync();
                    // Alternatively, we could use:
                    // args.Result.Buffer = await response.Content.ReadAsBufferAsync();
                }
                else
                {
                    // The app code failed. Report this by setting the args.Result.ExtendedStatus.
                    // This will ensure that the AdaptiveMediaSource does not attempt to download the resource
                    // itself, and instead treats the download as having failed.
                    switch (response.StatusCode)
                    {
                        case HttpStatusCode.Unauthorized:
                            // HTTP_E_STATUS_DENIED
                            args.Result.ExtendedStatus = 0x80190191;
                            break;
                        case HttpStatusCode.NotFound:
                            // HTTP_E_STATUS_NOT_FOUND
                            args.Result.ExtendedStatus = 0x80190194;
                            break;
                        default:
                            // HTTP_E_STATUS_UNEXPECTED
                            args.Result.ExtendedStatus = 0x80190001;
                            break;
                    }
                    Log($"Key Download Failed: {response.StatusCode} {args.ResourceUri}");
                }
            }
            catch (TaskCanceledException)
            {
                Log($"Request canceled: {args.ResourceUri}");

            }
            catch (Exception e)
            {
                Log($"Key Download Failed: {e.Message} {args.ResourceUri}");
            }
            finally
            {
                // Complete the deferral when done.
                deferral.Complete();
            }
        }