public ActionResult Upload()
{
//tamanho da imagem: 150x100, olhe a chamada para o metodo image.FitSize().
if (Request.Files.Count != 1)
{
Response.StatusCode = (int)System.Net.HttpStatusCode.BadRequest;
return(Json(new { error = "Bad Request" }));
}
var file = Request.Files[0];
if (file.ContentLength > 5 * 1024 * 1024) // 5MB
{
Response.StatusCode = (int)System.Net.HttpStatusCode.RequestEntityTooLarge;
return(Json(new { error = "Too Large" }));
}
//nome do arquivo: /container/tp150x100/md5(timestamp + nome arquivo).jpg
var filename = Path.GetFileNameWithoutExtension(file.FileName);
var timeFileName = DateTime.UtcNow.ToFileTimeUtc().ToString() + filename;
HMACMD5 md5 = new HMACMD5(NimbusConfig.GeneralHMACKey);
md5.ComputeHash(Encoding.Unicode.GetBytes(timeFileName));
var fileHash = Base32.ToString(md5.Hash).ToLower() + ".jpg";
var uploadFileName150x100 = "tp150x100/" + fileHash;
var uploadFileName60x60 = "tp60x60/" + fileHash;
var image = new ImageManipulation(Request.Files[0].InputStream);
//faz upload da imagem 150x100
image.FitSize(150, 100);
var imageStream = image.SaveToJpeg();
var blob = new AzureBlob(Const.Azure.TopicContainer, uploadFileName150x100);
blob.UploadStreamToAzure(imageStream);
image.FitSize(60, 60);
var image60x60Stream = image.SaveToJpeg();
var blob60x60 = new AzureBlob(Const.Azure.TopicContainer, uploadFileName60x60);
blob60x60.UploadStreamToAzure(image60x60Stream);
var pathFinal = blob.BlockBlob.Uri.AbsoluteUri.Replace("https://", "http://").Replace("***REMOVED***", "storage.portalnimbus.com.br");
//retorna apenas a 150x100.
return(Json(new { url = pathFinal }));
}
public static string UploadAvatar(ImageManipulation img, string id)
{
string pathAvatar;
HMACMD5 md5 = new HMACMD5(NimbusConfig.GeneralHMACKey);
var nomeImgAvatar = "avatar-" + id;
md5.ComputeHash(Encoding.Unicode.GetBytes(nomeImgAvatar));
var nomeHashExt = Base32.ToString(md5.Hash).ToLower() + ".jpg";
nomeImgAvatar = "av130x130/" + nomeHashExt;
var nomeImgAvatar180x100 = "av180x100/" + nomeHashExt;
var nomeImgAvatar35x35 = "av35x35/" + nomeHashExt;
var nomeImgAvatar60x60 = "av60x60/" + nomeHashExt;
//envia as imagens redimensionadas
Task <string> img1 = Task.Run(() =>
{
var clone = new ImageManipulation(img);
clone.FitSize(200, 200); //muito embora a url é av130x130, o tamanho do avatar é 200x200.
var blob = new AzureBlob(Const.Azure.AvatarContainer, nomeImgAvatar);
blob.UploadStreamToAzure(clone.SaveToJpeg());
return(blob.BlockBlob.Uri.AbsoluteUri.Replace("https://", "http://").Replace("***REMOVED***", "storage.portalnimbus.com.br"));
});
Task <string> img2 = Task.Run(() =>
{
var clone = new ImageManipulation(img);
clone.FitSize(180, 100);
var blob180x100 = new AzureBlob(Const.Azure.AvatarContainer, nomeImgAvatar180x100);
blob180x100.UploadStreamToAzure(clone.SaveToJpeg());
return(string.Empty);
});
Task <string> img3 = Task.Run(() =>
{
var clone = new ImageManipulation(img);
clone.FitSize(60, 60);
var blob60x60 = new AzureBlob(Const.Azure.AvatarContainer, nomeImgAvatar60x60);
blob60x60.UploadStreamToAzure(clone.SaveToJpeg());
return(string.Empty);
});
Task <string> img4 = Task.Run(() =>
{
var clone = new ImageManipulation(img);
clone.FitSize(35, 35);
var blob35x35 = new AzureBlob(Const.Azure.AvatarContainer, nomeImgAvatar35x35);
blob35x35.UploadStreamToAzure(clone.SaveToJpeg());
return(string.Empty);
});
Task.WaitAll(img1, img2, img3, img4);
pathAvatar = img1.Result;
return(pathAvatar);
}
public ActionResult TopicImg(string field = "")
{
if (Request.Files.Count != 1 || Request.Files[0].ContentLength == 0)
{
var errorModel = new UploadModel()
{
UploadAction = "topicimg",
ReturnUploadField = field,
isFatalError = true,
ErrorMessage = "Arquivo não enviado."
};
return(View("Upload", errorModel));
}
var file = Request.Files[0];
if (file.ContentLength > 5 * 1024 * 1024) // 5MB
{
var errorModel = new UploadModel()
{
UploadAction = "topicimg",
ReturnUploadField = field,
isFatalError = true,
ErrorMessage = "O tamanho do arquivo não pode ser superior a 5MB."
};
return(View("Upload", errorModel));
}
//nome do arquivo: /container/tp150x100/md5(timestamp + nome arquivo).jpg
var filename = Path.GetFileNameWithoutExtension(file.FileName);
var extension = Path.GetExtension(file.FileName).ToLower();
var timeFileName = DateTime.UtcNow.ToFileTimeUtc().ToString() + filename;
if (!imageExtensions.Contains(extension))
{
//nao fazer upload
var errorModel = new UploadModel()
{
UploadAction = "topicimg",
ReturnUploadField = field,
isFatalError = true,
ErrorMessage = "Não é permitido o envio de arquivos com extensão " + extension + "."
};
return(View("Upload", errorModel));
}
HMACMD5 md5 = new HMACMD5(NimbusConfig.GeneralHMACKey);
md5.ComputeHash(Encoding.Unicode.GetBytes(timeFileName));
var fileHash = Base32.ToString(md5.Hash).ToLower() + ".jpg";
var uploadFileName150x100 = "tp150x100/" + fileHash;
var uploadFileName60x60 = "tp60x60/" + fileHash;
var image = new ImageManipulation(Request.Files[0].InputStream);
//faz upload da imagem 150x100
image.FitSize(150, 100);
var imageStream = image.SaveToJpeg();
var blob = new AzureBlob(Const.Azure.TopicContainer, uploadFileName150x100);
blob.UploadStreamToAzure(imageStream);
image.FitSize(60, 60);
var image60x60Stream = image.SaveToJpeg();
var blob60x60 = new AzureBlob(Const.Azure.TopicContainer, uploadFileName60x60);
blob60x60.UploadStreamToAzure(image60x60Stream);
var pathFinal = blob.BlockBlob.Uri.AbsoluteUri.Replace("https://", "http://").Replace("***REMOVED***", "storage.portalnimbus.com.br");
var previewModel = new UploadModel()
{
Url = pathFinal,
UploadAction = "topicimg",
ReturnUploadField = field,
isFatalError = false,
ErrorMessage = null,
PreviewType = UploadModel.PreviewTypeEnum.none
};
return(View("UploadFinished", previewModel));
}
