/// <summary>
/// Returns true if the user agent represents a robot from the specified social net
/// </summary>
public static bool IsSpecificSocialNetBotUserAgent(SocialNetID net, string userAgent)
{
if (userAgent.IsNullOrWhiteSpace())
{
return(false);
}
userAgent = userAgent.TrimStart();
//todo Add more social networks detection
//see social net's documentation for a list of BOT names that they use
if (net == SocialNetID.UNS || net == SocialNetID.TWT)
{
if (userAgent.IndexOf("Twitterbot", StringComparison.OrdinalIgnoreCase) == 0)
{
return(true);
}
}
//if (net==SocialNetID.UNS || net==SocialNetID.FBK)
//{
// if (userAgent.IndexOf("?????", StringComparison.OrdinalIgnoreCase)!=-1) return true;
//}
//if (net==SocialNetID.UNS || net==SocialNetID.GPS)
//{
// if (userAgent.IndexOf("????????", StringComparison.OrdinalIgnoreCase)!=-1) return true;
//}
return(false);
}
/// <summary>
/// Returns true if the user agent represents a robot from the specified social net
/// </summary>
public static bool IsSpecificSocialNetBotUserAgent(SocialNetID net, string userAgent)
{
if (userAgent.IsNullOrWhiteSpace())
{
return(false);
}
userAgent = userAgent.TrimStart();
if (net == SocialNetID.UNS || net == SocialNetID.TWT)
{
if (userAgent.IndexOf("Twitterbot", StringComparison.OrdinalIgnoreCase) == 0)
{
return(true);
}
}
if (net == SocialNetID.UNS || net == SocialNetID.FBK)
{
if (userAgent.IndexOf("facebookexternalhit", StringComparison.OrdinalIgnoreCase) == 0 ||
userAgent.IndexOf("Facebot", StringComparison.OrdinalIgnoreCase) == 0)
{
return(true);
}
}
if (net == SocialNetID.UNS || net == SocialNetID.GPS)
{
if (userAgent.IndexOf(@"Google (+https://developers.google.com/+/web/snippet/)", StringComparison.OrdinalIgnoreCase) != -1)
{
return(true);
}
}
if (net == SocialNetID.UNS || net == SocialNetID.LIN)
{
if (userAgent.IndexOf("LinkedInBot", StringComparison.OrdinalIgnoreCase) == 0)
{
return(true);
}
}
if (net == SocialNetID.UNS || net == SocialNetID.IGM)
{
if (userAgent.IndexOf("Instagram", StringComparison.OrdinalIgnoreCase) == 0)
{
return(true);
}
}
if (net == SocialNetID.UNS || net == SocialNetID.PIN)
{
if (userAgent.IndexOf(@"Pinterest/", StringComparison.OrdinalIgnoreCase) == 0 &&
userAgent.IndexOf(@"+http://www.pinterest.com/", StringComparison.OrdinalIgnoreCase) != -1)
{
return(true);
}
}
if (net == SocialNetID.UNS || net == SocialNetID.VKT)
{
if (userAgent.IndexOf("vkShare;", StringComparison.OrdinalIgnoreCase) != -1 &&
userAgent.IndexOf(@"vk.com/dev/Share", StringComparison.OrdinalIgnoreCase) != -1)
{
return(true);
}
}
if (net == SocialNetID.UNS || net == SocialNetID.ODN)
{
if (userAgent.IndexOf("OdklBot", StringComparison.OrdinalIgnoreCase) != -1)
{
return(true);
}
}
return(false);
}
