/*
* For a Post collect alle Transport- and Metadata for a file,
* save the file to temp and store filepath and collected Data.
*/
private void ProcessPost(HttpRequest request, string set)
{
DateTime dateTime = DateTime.Now;
string headers = string.Join("|", Request.Headers.Select(x => String.Format("{0}={1}", x.Key, x.Value)).ToArray());
string headerFingerprint = "";
foreach (var header in Request.Headers)
{
if (header.Key == "User-Agent" || header.Key == "Accept-Encoding" || header.Key == "Accept")
{
headerFingerprint += String.Format("{0}={1}|", header.Key, header.Value);
}
}
headerFingerprint = CalculateHash(headerFingerprint);
string ipAddress = Request.HttpContext.Connection.RemoteIpAddress.ToString();
Dictionary <string, string> geoInfo = GetGeoInfo(ipAddress);
geoInfo.TryGetValue("country", out string country);
geoInfo.TryGetValue("regionName", out string regionName);
geoInfo.TryGetValue("city", out string city);
geoInfo.TryGetValue("lat", out string lat);
geoInfo.TryGetValue("lon", out string lon);
geoInfo.TryGetValue("isp", out string isp);
var files = Request.Form.Files;
List <FileEntryItem> fileEntrys = new List <FileEntryItem>();
foreach (var file in files)
{
// full path to file in temp location
var filePath = Path.GetTempFileName();
if (file.Length > 0)
{
using (var stream = new FileStream(filePath, FileMode.Create))
{
file.CopyTo(stream);
}
}
fileEntrys.Add(new FileEntryItem(set, file.FileName, filePath, file.Length, ipAddress, headers, headerFingerprint, dateTime, country, regionName, city, lat, lon, isp));
}
_context.FileEntryItems.AddRange(fileEntrys);
_context.SaveChanges();
}
private static void WriteFileToDb(ZipInputStream fileFromMemory)
{
MemoryStream unzippedFileMemoryStream = new MemoryStream();
byte[] buffer = new byte[4096];
using (unzippedFileMemoryStream)
{
StreamUtils.Copy(fileFromMemory, unzippedFileMemoryStream, buffer);
using (var sr = new StreamReader(unzippedFileMemoryStream, System.Text.Encoding.UTF8))
{
unzippedFileMemoryStream.Seek(0, SeekOrigin.Begin);
string fileContent = sr.ReadToEnd();
using (var context = new FileEntryContext())
{
context.FileEntries.Add(new FileEntry()
{
Content = fileContent
});
context.SaveChanges();
}
}
}
}
