public async Task <JsonResult> UploadFile(UploadFileAddressModel model)
{
var app = await _coreApiService.ValidateAccessTokenAsync(model.AccessToken);
//try find the target bucket
var targetBucket = await _dbContext.Bucket.FindAsync(model.BucketId);
if (targetBucket == null || targetBucket.BelongingAppId != app.AppId)
{
return(this.Protocal(ErrorType.Unauthorized, "The bucket you try to upload is not your app's bucket!"));
}
//try get the file from form
var file = Request.Form.Files.First();
var newFile = new OSSFile
{
RealFileName = Path.GetFileName(file.FileName.Replace(" ", "")),
FileExtension = Path.GetExtension(file.FileName),
BucketId = targetBucket.BucketId,
AliveDays = model.AliveDays,
UploadTime = DateTime.Now
};
//Ensure there not exists file with the same file name.
lock (_obj)
{
var exists = _dbContext.OSSFile.Exists(t => t.RealFileName == newFile.RealFileName && t.BucketId == newFile.BucketId);
if (exists)
{
return(this.Protocal(ErrorType.HasDoneAlready, "There already exists a file with that name."));
}
//Save to database
_dbContext.OSSFile.Add(newFile);
_dbContext.SaveChanges();
}
//Try saving file.
string DirectoryPath = _configuration["StoragePath"] + $"{_}Storage{_}{targetBucket.BucketName}{_}";
if (Directory.Exists(DirectoryPath) == false)
{
Directory.CreateDirectory(DirectoryPath);
}
using (var fileStream = new FileStream(DirectoryPath + newFile.FileKey + ".dat", FileMode.Create))
{
await file.CopyToAsync(fileStream);
fileStream.Close();
}
// Get Internet path
newFile.InternetPath = new AiurUrl(_serviceLocation.OSS, newFile.BelongingBucket.BucketName, newFile.RealFileName, new { }).ToString();
//Return json
return(Json(new UploadFileViewModel
{
Code = ErrorType.Success,
FileKey = newFile.FileKey,
Message = "Successfully uploaded your file.",
Path = newFile.InternetPath
}));
}
public async Task UploadObject(string bucketKey, OSSFile file)
{
string objectKey = file.Name;
MemoryStream data = new MemoryStream(File.ReadAllBytes(file.Path));
client.BaseUrl = new Uri($"https://developer.api.autodesk.com/oss/v2/buckets/{bucketKey}/objects/{objectKey}");
request = new RestRequest(Method.PUT);
request.AddHeader("Authorization", $"{this.token.TokenType} {this.token.AccessToken}").
AddHeader("Content-Length", data.Length.ToString()).
AddParameter("application/octet-stream", data.ToArray(), ParameterType.RequestBody);
Upload?.Invoke(false, file);
data.Close();
IRestResponse response = await client.ExecuteTaskAsync(request);
while (response.StatusCode != HttpStatusCode.OK)
{
Upload?.Invoke(false, file);
}
Upload?.Invoke(true, file);
}
public async Task <JsonResult> UploadFile(CommonAddressModel model)
{
var app = await APIService.ValidateAccessTokenAsync(model.AccessToken);
//try find the target bucket
var targetBucket = await _dbContext.Bucket.FindAsync(model.BucketId);
if (targetBucket == null || targetBucket.BelongingAppId != app.AppId)
{
return(Json(new AiurProtocal
{
code = ErrorType.Unauthorized,
message = "The bucket you try to upload is not your app's bucket!"
}));
}
//try get the file from form
var file = Request.Form.Files.First();
if (file == null)
{
return(Json(new AiurProtocal
{
code = ErrorType.InvalidInput,
message = "Please upload your file!"
}));
}
//Test the extension
bool validExtension = MIME.MIMETypesDictionary.ContainsKey(Path.GetExtension(file.FileName).Replace(".", ""));
if (!validExtension)
{
return(Json(new AiurProtocal
{
code = ErrorType.InvalidInput,
message = "The extension of your file is not supported!"
}));
}
//Save to database
var newFile = new OSSFile
{
RealFileName = Path.GetFileName(file.FileName.Replace(" ", "")),
FileExtension = Path.GetExtension(file.FileName),
BucketId = targetBucket.BucketId,
BelongingBucket = targetBucket,
};
_dbContext.OSSFile.Add(newFile);
await _dbContext.SaveChangesAsync();
//Try saving file.
string DirectoryPath = GetCurrentDirectory() + $@"{_}Storage{_}{targetBucket.BucketName}{_}";
if (Exists(DirectoryPath) == false)
{
CreateDirectory(DirectoryPath);
}
var fileStream = new FileStream(DirectoryPath + newFile.FileKey + ".dat", FileMode.Create);
await file.CopyToAsync(fileStream);
fileStream.Close();
//Return json
return(Json(new UploadFileViewModel
{
code = ErrorType.Success,
FileKey = newFile.FileKey,
message = "Successfully uploaded your file.",
Path = newFile.GetInternetPath
}));
}
public async Task UploadChunkObject(string bucketKey, OSSFile file)
{
FileStream data = File.OpenRead(file.Path);
var length = data.Length;
string objectKey = file.Name;
if (await this.GetBucketObject(bucketKey, objectKey) != null)
{
await this.DeleteObject(bucketKey, objectKey);
}
string sessionId = "SI" + Path.GetFileNameWithoutExtension(objectKey) + length;
ObjectsApi api = new ObjectsApi();
api.Configuration.AccessToken = this.token.AccessToken;
int chunkSize = 5 * 1024 * 1024;
long chunkCount = (long)Math.Round(0.5 + ((double)length / (double)chunkSize));
long dataWrited = 0;
for (int i = 0; i < chunkCount; i++)
{
long startByte = i * chunkSize;
long next = (i + 1) * chunkSize;
if (next > length)
{
next = length - 1;
}
else
{
next--;
}
long byteLength = next - startByte + 1;
string bytesRange = string.Format("bytes {0}-{1}/{2}", startByte, next, length);
byte[] buffer = new byte[byteLength];
data.Read(buffer, 0, (int)byteLength);
MemoryStream ms = new MemoryStream(buffer);
ms.Write(buffer, 0, (int)byteLength);
ms.Position = 0;
var response = await api.UploadChunkAsyncWithHttpInfo(bucketKey, objectKey, (int)byteLength, bytesRange, sessionId, ms);
dataWrited += byteLength;
double progress = (double)(100 * decimal.Ceiling(dataWrited) / decimal.Ceiling(length));
if (response.StatusCode == 202)
{
ProgressUpload?.Invoke(false, file, Convert.ToInt32(progress));
}
else if (response.StatusCode == 200)
{
Upload?.Invoke(true, file);
break;
}
else
{
ErrorOccurred("Error occurred while uploading...\nCode: " + response.StatusCode);
break;
}
}
data.Close();
}
public void OSSdownload(DownloadUnit downUnit, OSSFile of, Action <bool> callback)
{
//打开上次下载的文件
long startPos = 0;
//将文件的后缀名改为临时文件名 .temp
string tempfilename = downUnit.fileName.Replace(Path.GetExtension(downUnit.fileName), ".temp");
string tempFile = downUnit.savePath + "/" + tempfilename;
string InstallFile = downUnit.savePath + "/" + downUnit.fileName;
//若此文件已经存在 则直接返回文件的总大小
if (File.Exists(InstallFile) && string.Equals(Utility.GetMd5Hash(File.OpenRead(InstallFile)), downUnit.md5))
{
//不执行下载流程
//Debug.LogError("下载的文件 已经存在 : " + InstallFile);
if (callback != null)
{
callback(true);
}
return;
}
///如果本地已经临时文件 获取临时文件的长度 断点续传
if (System.IO.File.Exists(tempFile))
{
FileStream fs = File.OpenWrite(tempFile);
startPos = fs.Length;
fs.Seek(startPos, SeekOrigin.Current); //移动文件流中的当前指针
}
//必须要GMT时间
string expire = DateTime.UtcNow.GetDateTimeFormats('r')[0].ToString();
//Debug.Log(of.endpoint + " " + of.objectName);
//Debug.Log("OSS下载 url @" + downUnit.downUrl + "@ 签名 @" + Utility.OSSSignature(of.endpoint, of.objectName, expire) + "@ 时间 @" + expire);
HttpBase.OssGet(downUnit.downUrl, new KeyValuePair <string, string>[]
{
new KeyValuePair <string, string>("Date", expire),
new KeyValuePair <string, string>("Authorization", Utility.OSSSignature(of.endpoint, of.objectName, expire)),
new KeyValuePair <string, string>("Range", "bytes=" + (int)startPos + "-"),
}, ((originalRequest, response) =>
{
//float fileSize = float.Parse(downUnit.size) / (1024 * 1024);
//originalRequest.ConnectTimeout = new TimeSpan(600000);
//originalRequest.Timeout = new TimeSpan(600000);
FileStream fs = null;
if (response == null)
{
// Debug.Log("请求为空" +downUnit.downUrl +" "+ downUnit.fileName);
if (fs != null)
{
fs.Flush();
fs.Close();
fs = null;
}
if (callback != null)
{
callback(false);
}
return;
}
if (!response.IsSuccess)
{
// Debug.Log("请求失败！" + response.StatusCode + " "+downUnit.downUrl+" "+ downUnit.fileName);
if (fs != null)
{
fs.Flush();
fs.Close();
fs = null;
}
if (callback != null)
{
callback(false);
}
return;
}
try
{
if (System.IO.File.Exists(tempFile))
{
fs = File.OpenWrite(tempFile);
}
else
{
string direName = Path.GetDirectoryName(tempFile);
if (!Directory.Exists(direName))
{
Directory.CreateDirectory(direName);
}
fs = new FileStream(tempFile, FileMode.Create);
}
var resp_bytes = response.Data;
fs.Write(resp_bytes, 0, resp_bytes.Length);
fs.Flush();
fs.Close();
fs = null;
response.Dispose();
if (!File.Exists(InstallFile))
{
File.Move(tempFile, InstallFile);
}
var file = File.OpenRead(InstallFile);
string md5 = Utility.GetMd5Hash(file);
//Debug.LogError("文件路径 :" + InstallFile + " /文件名称/ :" + downUnit.fileName +
// " /本地计算的md5值为/ :" + md5 + " /服务器的md5/ :" + downUnit.md5 +
// " /下载url / :" + downUnit.downUrl);
file.Dispose();
file.Close();
fs = null;
if (md5 == downUnit.md5)
{
//Debug.LogError("下载成功");
if (callback != null)
{
callback(true);
}
return;
}
else
{
File.Delete(InstallFile);
//Debug.LogError(
// "删除 删除 删除 删除 删除 删除 删除 删除 删除 删除 删除 " +
// InstallFile);
if (callback != null)
{
callback(false);
}
return;
}
}
catch (WebException ex)
{
Debug.Log("下载出错：");
if (fs != null)
{
fs.Flush();
fs.Close();
fs = null;
}
if (callback != null)
{
callback(false);
}
return;
}
finally
{
if (fs != null)
{
fs.Flush();
fs.Close();
fs = null;
}
response.Dispose();
}
}));
}
