public static DeviceInfo CheckDevice(string userAgent)
{
DeviceInfo deviceInfo = null;
if (userAgent.StartsWith("PF-Device", StringComparison.OrdinalIgnoreCase))
{
deviceInfo = new DeviceInfo();
string[] tokens = userAgent.Split(new char[] { ',' });
if (tokens.Length >= 4)
{
deviceInfo.Platform = tokens[1];
deviceInfo.Model = tokens[2];
deviceInfo.OperatingSystem = tokens[3];
}
else
{
deviceInfo.Platform = string.Empty;
deviceInfo.Model = string.Empty;
deviceInfo.OperatingSystem = string.Empty;
}
return deviceInfo;
}
foreach (var item in DeviceInfo.DeviceCache)
{
Regex regex = new Regex(item.OSRegx, RegexOptions.IgnoreCase);
var result = regex.Match(userAgent);
if (result.Success)
{
deviceInfo = GenerateDeviceInfo(item, result.Value, userAgent);
break;
}
}
if (deviceInfo == null)
{
deviceInfo = DeviceInfo.UnknownDevice;
}
return deviceInfo;
}
private static DeviceInfo Copy(DeviceInfo info)
{
return new DeviceInfo()
{
Manufacturer = info.Manufacturer,
Model = info.Model,
DeviceType = info.DeviceType,
Platform = info.Platform,
OperatingSystem = info.OperatingSystem,
OSRegx = info.OSRegx
};
}
private static DeviceInfo GenerateDeviceInfo(DeviceInfo info, string matchResult, string userAgent)
{
DeviceInfo device = DeviceInfo.Copy(info);
Regex regex;
Match match;
switch (info.OperatingSystem)
{
case "iOS":
regex = new Regex("OS [0-9]*");
match = regex.Match(userAgent);
if (match.Success)
{
device.OperatingSystem = info.OperatingSystem + " " + match.Value.Substring(3);
}
break;
case "Mac OS":
regex = new Regex("Mac OS X [0-9]*", RegexOptions.IgnoreCase);
match = regex.Match(userAgent);
if (match.Success)
device.OperatingSystem = match.Value;
break;
case "Android": device.OperatingSystem = matchResult;
break;
default:
break;
}
if (info.Model.EqualsIgnoreCase("Android"))
{
device.Model = userAgent.Substring(userAgent.LastIndexOf(';') + 2, userAgent.IndexOf("Build/") - userAgent.LastIndexOf(';') - 3);
}
if (userAgent.ContainsIgnoreCase("Mobile"))
device.DeviceType = "Mobile";
return device;
}
public static void Init(XmlDocument doc)
{
XmlNodeList devices = doc.SelectNodes("UserAgent/Devices/Device");
foreach (XmlNode item in devices)
{
var device = new DeviceInfo()
{
Manufacturer = item.Attributes["Manufacturer"].Value,
OperatingSystem = item.Attributes["OperatingSystem"].Value,
DeviceType = item.Attributes["DeviceType"].Value,
Model = item.Attributes["Model"].Value,
Platform = item.Attributes["Platform"].Value,
OSRegx = item.Attributes["OSRegx"].Value
};
DeviceCache.Add(device);
}
}