public void Use(GeoIP geoIP)
{
this.Country = geoIP.Country;
this.CountryConfidence = geoIP.CountryConfidence.ToString(CultureInfo.InvariantCulture);
this.State = geoIP.State;
this.City = geoIP.City;
this.CityConfidence = geoIP.CityConfidence.ToString(CultureInfo.InvariantCulture);
this.MarketingCode = geoIP.MarketingCode.ToString(CultureInfo.InvariantCulture);
}
/// <summary>
/// Parses X-FD-RevIP as specified by https://azfddocs.azurewebsites.net/references/protocol/xfdrevip/
/// </summary>
public static GeoLocation GetGeoLocationFromRequest(HttpRequest httpRequest)
{
if (httpRequest != null)
{
GeoIP.TryParse(httpRequest.Headers["X-FD-RevIP"], out GeoIP geoIP);
if (geoIP != null)
{
GeoLocation geoLocation = new GeoLocation();
geoLocation.Use(geoIP);
return(geoLocation);
}
}
return(null);
}
/// <summary>
/// Parses X-FD-RevIP as specified by https://azfddocs.azurewebsites.net/references/protocol/xfdrevip/
/// </summary>
/// <param name="header">The header value. e.g. country=United States,iso=us,state=Washington,city=Redmond,zip=98052,tz=-8,dma=819,asn=3598,lat=47.681199999999997,long=-122.1207,countrycf=8,citycf=5</param>
/// <param name="geoIP">The allocated geoIP structure.</param>
/// <returns>True if parsed successful, false otherwise.</returns>
public static bool TryParse(string header, out GeoIP geoIP)
{
geoIP = default(GeoIP);
if (string.IsNullOrWhiteSpace(header))
{
return(false);
}
var map = from entry in header.Split(',')
let match = KeyValueRegex.Match(entry)
where match.Success
select new
{
Key = match.Groups[1].Value,
Value = match.Groups[2].Value
};
geoIP = new GeoIP();
int intValue;
foreach (var kv in map)
{
switch (kv.Key)
{
case "country":
geoIP.Country = kv.Value;
break;
case "city":
geoIP.City = kv.Value;
break;
case "state":
geoIP.State = kv.Value;
break;
case "countrycf":
if (int.TryParse(kv.Value, out intValue))
{
geoIP.CountryConfidence = intValue;
}
break;
case "citycf":
if (int.TryParse(kv.Value, out intValue))
{
geoIP.CityConfidence = intValue;
}
break;
case "dma":
if (int.TryParse(kv.Value, out intValue))
{
geoIP.MarketingCode = intValue;
}
break;
}
}
return(true);
}
