Merge pull request #1036 from cocoa-mhlw/fix/set_content_type_when_wi…

…rte_blob_storage

set content type when write blob storage

src/Covid19Radar.Background/Services/TemporaryExposureKeyBlobService.cs

@@ -22,6 +22,8 @@ public class TemporaryExposureKeyBlobService : ITemporaryExposureKeyBlobService
  const string batchNumberMetadataKey = "batch_number";
  const string batchRegionMetadataKey = "batch_region";
  const string fileNameSuffix = ".zip";
+ private readonly static string _contentTypeJson = @"application/json";
+ private readonly static string _contentTypeZip = @"application/zip";
 
  public readonly string TekExportKeyUrl;
  public readonly string TekExportBlobStorageConnectionString;
@@ -62,6 +64,10 @@ public async Task WriteToBlobAsync(Stream s, TemporaryExposureKeyExportModel mod
  blockBlob.Metadata[batchNumberMetadataKey] = model.BatchNum.ToString();
  blockBlob.Metadata[batchRegionMetadataKey] = model.Region;
 
+ if(blockBlob.Properties.ContentType != _contentTypeZip)
+ {
+ blockBlob.Properties.ContentType = _contentTypeZip;
+ }
  await blockBlob.UploadFromStreamAsync(s);
  Logger.LogInformation($" {nameof(WriteToBlobAsync)} upload {exportFileName}");
  await blockBlob.SetMetadataAsync();
@@ -120,6 +126,10 @@ public async Task WriteFilesJsonAsync(IEnumerable<TemporaryExposureKeyExportMode
  await writer.FlushAsync();
  await stream.FlushAsync();
  stream.Position = 0;
+ if (blockBlob.Properties.ContentType != _contentTypeJson)
+ {
+ blockBlob.Properties.ContentType = _contentTypeJson;
+ }
  await blockBlob.UploadFromStreamAsync(stream);
  }
  }