public JsonResult SaveBigFileToServer()
{
try
{
long start = Convert.ToInt64(Request.Form["Start"]);
long end = Convert.ToInt64(Request.Form["End"]);
var fileName = CommonHelper.DecodeUrl(Request.Form["FileName"]);
_log.Debug($"SaveBigFileToServer Save Blob {start} Of {end}, FileName: {fileName}");
var fileBlob = Request.Files[0];
var fileLength = fileBlob.ContentLength;
byte[] fileBytes = new byte[fileLength];
fileBlob.InputStream.Read(fileBytes, 0, fileBytes.Length);
SaveBigFileModel model = new SaveBigFileModel()
{
FileName = fileName,
Docid = CommonHelper.DecodeUrl(Request.Form["Docid"]),
TokenId = CommonHelper.GetToken(Request.Form["TokenId"]),
Rev = CommonHelper.DecodeUrl(Request.Form["Rev"]),
UploadId = CommonHelper.DecodeUrl(Request.Form["UploadId"]),
FileBytes = fileBytes,
PartIndex = start,
TotalParts = end,
PartsInfo = CommonHelper.DecodeUrl(Request.Form["PartsInfo"])
};
IAS7APIHelper helper = new AS7APIHelper();
var uploadFileRes = helper.UploadBigFile(model);
return(Json(new JsonModel {
Success = true, StatusCode = uploadFileRes.ErrorCode, Data = JsonConvert.SerializeObject(uploadFileRes)
}));
}
catch (Exception ex)
{
_log.Debug($"SaveBigFileToServer Exception: {ex.Message}");
return(Json(new JsonModel {
Success = false, Message = ex.Message
}));
}
}
/// <summary>
/// 大文件上传
/// </summary>
/// <param name="model">SaveBigFileModel</param>
public UploadFileRes UploadBigFile(SaveBigFileModel model)
{
UploadFileRes uploadFileRes = new UploadFileRes();
try
{
var handler = new WebRequestHandler();
handler.ServerCertificateValidationCallback = delegate { return(true); };
using (var httpClient = new HttpClient(handler))
{
httpClient.DefaultRequestHeaders.Add("Authorization", model.TokenId);
byte[] buf = model.FileBytes;
int writeSize = buf.Length; // 记录当前块写入的字节
Dictionary <string, List <object> > partInfo = new Dictionary <string, List <object> >();
if (!string.IsNullOrEmpty(model.PartsInfo))
{
partInfo = JsonConvert.DeserializeObject <Dictionary <string, List <object> > >(model.PartsInfo);
}
// 文件body
var json1 = "{\"docid\":\"" + model.Docid + "\",\"rev\":\"" + model.Rev + "\",\"uploadid\":\"" + model.UploadId + "\",\"parts\":\"" + model.PartIndex + "\"}";
var content1 = new StringContent(json1, Encoding.UTF8, "application/json");
var res1 = httpClient.PostAsync($"{Constant.OAuth2Url}/api/efast/v1/file/osuploadpart", content1).Result;
var resStr1 = res1.Content.ReadAsStringAsync().Result;
int resCode1 = (int)res1.StatusCode;
// 若为错误返回码则抛出异常
if (resCode1 < 200 || resCode1 >= 300)
{
var errModel = JsonConvert.DeserializeObject <ErrorModel>(resStr1);
_log.Debug($"UploadBigFile Osuploadpart Exception: {errModel.cause}, Code: {errModel.code}");
uploadFileRes.ErrorDetail = JsonConvert.SerializeObject(errModel.detail);
uploadFileRes.ErrorCode = errModel.code;
return(uploadFileRes);
}
var jResult = JsonConvert.DeserializeObject <AuthRequestsModel>(resStr1);
var results = JsonConvert.DeserializeObject <Dictionary <string, List <string> > >(jResult.authrequests.ToString());
List <string> headers = new List <string>();
List <string> authRequestList = new List <string>();
results.TryGetValue(model.PartIndex.ToString(), out authRequestList);
for (int i = 2; i < authRequestList.Count; ++i)
{
string header = authRequestList[i];
headers.Add(header);
}
string etag = null;
OSSAPIHelper ossHttpHelper = new OSSAPIHelper();
// 文件块上传
using (HttpWebResponse ossResult = ossHttpHelper.SendReqToOSS(authRequestList[0], authRequestList[1], headers, buf))
{
// 获取etag,由于报头中"etag"可能为"Etag","ETag","ETAG"等情况，故这里对报头key值进行遍历，将key值变为大写后与"ETAG"进行比较，若相等则让etag等于其value，退出循环。
WebHeaderCollection headerArray = ossResult.Headers;
for (int i = 0; i < headerArray.Count; ++i)
{
string key = headerArray.GetKey(i);
if (key.ToUpper().Equals("ETAG"))
{
etag = headerArray[key];
i = headerArray.Count;
}
}
}
List <object> tempList = new List <object>();
tempList.Add(etag);
tempList.Add(writeSize);
partInfo.Add(model.PartIndex.ToString(), tempList);
uploadFileRes.FileName = JsonConvert.SerializeObject(partInfo);
return(uploadFileRes);
}
}
catch (Exception ex)
{
_log.Debug($"UploadBigFile Exception: {ex.Message}");
throw ex;
}
}
