Mega Code Archive

 

Categories / C# / 2D Graphics

 

Get Gravatar Image

using System.Text.RegularExpressions; using System; using System.Security.Cryptography; using System.Text; public class Base {     public static string GetGravatarImage(string email, int size)     {         if (isValidEmail(email))         {             return string.Format("http://www.gravatar.com/avatar/{0}?s={1}", GetMd5Hash(email), size.ToString());         }         else         {             return "";         }     }     public static Guid GetMd5Hash(string inString)     {         var unicodeEncoding = new UnicodeEncoding();         var message = unicodeEncoding.GetBytes(inString);         MD5 hashString = new MD5CryptoServiceProvider();         return new Guid(hashString.ComputeHash(message));     }     private static bool isValidEmail(string email)     {         Regex r = new Regex(@"^([0-9a-zA-Z]([-\.\w]*[0-9a-zA-Z])*@([0-9a-zA-Z][-\w]*[0-9a-zA-Z]\.)+[a-zA-Z]{2,9})$");         if (!string.IsNullOrEmpty(email))             return r.IsMatch(email);         else             return false;     } }