public async Task <IActionResult> Post(IFormFile file, string objectKey)
{
var fileName = Path.GetFileName(
ContentDispositionHeaderValue
.Parse(file.ContentDisposition)
.FileName
.Trim('"'));
if (string.IsNullOrWhiteSpace(objectKey))
{
objectKey = S3KeyGenerator.GenerateObjectKey(fileName);
}
using (var stream = file.OpenReadStream())
{
ImageInfo info = ImageProcessor.GetImageInfo(stream);
ImageUploadedModel model = await ImageStore.UploadImage(
S3Settings.OriginalBucketName,
S3Settings.OriginalBucketUrl,
objectKey,
S3StorageClass.Standard,
S3CannedACL.Private,
S3Settings.VaultName,
info);
if (model.Exception != null)
{
Logger.LogError("An error occured while uploading to S3", model.Exception);
return(StatusCode((int)HttpStatusCode.InternalServerError));
}
return(Created(model.ObjectLocation, model));
}
}
public async Task <IActionResult> Get(string originalKey, int?width, int?height, string versionId)
{
if (string.IsNullOrWhiteSpace(versionId))
{
versionId = await ImageStore.GetLatestVersionId(S3Settings.OriginalBucketName, originalKey);
if (string.IsNullOrWhiteSpace(versionId))
{
// this image doesn't exist
return(NotFound());
}
}
string resizedKey = S3KeyGenerator.GenerateObjectKeyWithSize(originalKey, width, height, versionId);
// check if the resized image exists
if (await ImageStore.ImageExists(S3Settings.ResizedBucketName, resizedKey))
{
return(Redirect(S3Settings.ResizedBucketUrl + resizedKey));
}
Stream responseStream = await ImageStore.GetImage(S3Settings.OriginalBucketName, originalKey, versionId);
// resize the image
ImageInfo info = ImageProcessor.Resize(responseStream, width, height);
ImageUploadedModel model = await ImageStore.UploadImage(
S3Settings.ResizedBucketName,
S3Settings.ResizedBucketUrl,
resizedKey,
S3StorageClass.ReducedRedundancy,
S3CannedACL.PublicRead,
null,
info);
if (model.Exception != null)
{
Logger.LogError("An error occured while uploading to S3", model.Exception);
return(StatusCode((int)HttpStatusCode.InternalServerError));
}
return(Redirect(S3Settings.ResizedBucketUrl + resizedKey));
}
