public async Task <bool> File(string fileid)
{
return(await WrapFileAccess(() =>
{
Guid guid = Guid.Parse(fileid);
StorageModel storage = Program.FileStorages.FirstOrDefault(s => s.FileId == guid);
if (storage == null)
{
throw new System.IO.FileNotFoundException();
}
var fs = Program.GetWorkFileSystem().OpenFile(storage.Path, System.IO.FileMode.Open, System.IO.FileAccess.Read, System.IO.FileShare.ReadWrite);
Response.ContentType = GetMimeByExtention(storage.Extention);
return Response.BinaryResponseAsync(fs, false);
}));
}
public async Task <bool> Download(string fileid)
{
return(await WrapFileAccess(() =>
{
Guid guid = Guid.Parse(fileid);
StorageModel storage = Program.FileStorages.FirstOrDefault(s => s.FileId == guid);
if (storage == null)
{
throw new System.IO.FileNotFoundException();
}
var fs = Program.GetWorkFileSystem().OpenFile(storage.Path, System.IO.FileMode.Open, System.IO.FileAccess.Read, System.IO.FileShare.ReadWrite);
Response.AddHeader("Content-Disposition", "attachment;filename=" + System.Net.WebUtility.UrlEncode(storage.FileName));
Response.AddHeader("Content-Length", storage.FileLength.ToString());
Response.ContentType = GetMimeByExtention(storage.Extention);
return Response.BinaryResponseAsync(fs, false);
}));
}
public async Task <bool> Upload()
{
try
{
var parser = new MultipartFormDataParser(Request.InputStream);
if (parser.Files.Any() == false)
{
return(await Ok(new { error = -1, status = "no input file." }));
}
var file = parser.Files[0];
DateTime now = DateTime.Now;
string dir = "/data/" + now.Year + "/" + now.Month + "/" + now.Day;
if (!Program.GetWorkFileSystem().DirectoryExists(dir))
{
Program.GetWorkFileSystem().CreateDirectory(dir);
}
Guid fileid = Guid.NewGuid();
string ext = System.IO.Path.GetExtension(file.FileName);
string filepath = dir + "/" + fileid + ext;
using (var fs = Program.GetWorkFileSystem().OpenFile(filepath,
System.IO.FileMode.OpenOrCreate,
System.IO.FileAccess.ReadWrite))
{
await file.Data.CopyToAsync(fs);
}
var storage = new StorageModel()
{
DateExpires = DateTime.Now.AddYears(20),
Extention = ext,
FileId = fileid,
FileLength = file.Data.Length,
FileName = file.FileName,
UploadDate = DateTime.Now,
Path = filepath
};
Program.FileStorages.Add(storage);
bool rs = Program.Save();
if (rs)
{
return(await Ok(new { error = 0, status = "ok.", fileid = fileid }));
}
else
{
return(await Ok(new { error = -2, status = "write database fail.", fileid = fileid }));
}
}
catch (Exception ex)
{
Terminal.Error(ex, ex.Source, ex.Message);
return(await Ok(new { error = -3, status = "upload fail.", fileid = "" }));
}
}
