protected virtual BrowscapXmlHelper GetBrowscapXmlHelper()
{
if (Singleton <BrowscapXmlHelper> .Instance != null)
{
return(Singleton <BrowscapXmlHelper> .Instance);
}
//no database created
if (string.IsNullOrEmpty(_config.UserAgentFilePath))
{
return(null);
}
//prevent multi loading data
lock (_locker)
{
//data can be loaded while we waited
if (Singleton <BrowscapXmlHelper> .Instance != null)
{
return(Singleton <BrowscapXmlHelper> .Instance);
}
var userAgentStringsPath = _fileProvider.MapContentPath(_config.UserAgentFilePath);
var crawlerOnlyUserAgentStringsPath = !string.IsNullOrEmpty(_config.CrawlerOnlyUserAgentFilePath)
? _fileProvider.MapContentPath(_config.CrawlerOnlyUserAgentFilePath)
: string.Empty;
var browscapXmlHelper = new BrowscapXmlHelper(userAgentStringsPath, crawlerOnlyUserAgentStringsPath);
Singleton <BrowscapXmlHelper> .Instance = browscapXmlHelper;
return(Singleton <BrowscapXmlHelper> .Instance);
}
}
/// <summary>
/// Save picture binary to file system
/// </summary>
/// <param name="pictureId"></param>
/// <param name="pictureBinary"></param>
/// <param name="mimeType"></param>
protected virtual void SavePictureToFile(int pictureId, byte[] pictureBinary, string mimeType)
{
//ensure content/images directory exists
var picturesDirectoryPath = _fileProvider.MapContentPath(PictureFolderPath);
if (!Directory.Exists(picturesDirectoryPath))
{
Directory.CreateDirectory(picturesDirectoryPath);
}
string fileName = string.Format(PictureFileNameFormat, pictureId, MimeTypeMap.GetExtension(mimeType));
var filePath = GetPictureLocalPath(fileName);
File.WriteAllBytes(filePath, pictureBinary);
}
public virtual void Log(LogLevel logLevel,
string shortMessage,
string fullMessage = null,
string ipAddress = null,
string pageUrl = null,
string referrerUrl = null)
{
if (string.IsNullOrEmpty(shortMessage))
{
return;
}
string logMessage = string.Format("{0} [{1}] {2}",
DateTime.UtcNow.ToString("dd.MM.yyyy HH:mm:ss.fff zzz"),
logLevel.ToString(),
shortMessage);
_fileProvider.CreateDirectory(_fileProvider.MapContentPath("logs"));
using (StreamWriter sw = File.AppendText(_fileProvider.MapContentPath(string.Format("logs/{0:dd.MM.yyyy}.txt", DateTime.UtcNow))))
{
sw.WriteLine(logMessage);
}
}
protected virtual async Task<string> FindLocation(string ipAddress)
{
try
{
var databasePath = _fileProvider.MapContentPath("~/Country.mmdb");
var reader = new DatabaseReader(databasePath);
var response = reader.Country(ipAddress);
if (response != null && response.Country != null && string.IsNullOrEmpty(response.Country.IsoCode))
throw new GeoIP2Exception("Country not found");
return await Task.FromResult(response.Country?.IsoCode);
}
catch (Exception ex)
{
_logger.Error("An error occurred while finding country.", ex, ipAddress);
return null;
}
}