1: /*

   2: Copyright (c) 2011 <a href="http://www.gutgames.com">James Craig</a>

   3: 

   4: Permission is hereby granted, free of charge, to any person obtaining a copy

   5: of this software and associated documentation files (the "Software"), to deal

   6: in the Software without restriction, including without limitation the rights

   7: to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

   8: copies of the Software, and to permit persons to whom the Software is

   9: furnished to do so, subject to the following conditions:

  10: 

  11: The above copyright notice and this permission notice shall be included in

  12: all copies or substantial portions of the Software.

  13: 

  14: THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

  15: IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

  16: FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

  17: AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

  18: LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

  19: OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

  20: THE SOFTWARE.*/

  21:  

  22: #region Usings

  23: using System;

  24: using System.Collections.Generic;

  25: using System.Linq;

  26: using System.Text;

  27: #endregion

  28:  

  29: namespace Utilities.Web.Gravatar

  30: {

  31:     /// <summary>

  32:     /// Helper for getting Gravatar images

  33:     /// </summary>

  34:     public static class Gravatar

  35:     {

  36:         #region Public Static Functions

  37:  

  38:         /// <summary>

  39:         /// Gets a Gravatar image link

  40:         /// </summary>

  41:         /// <param name="Email">Email identifier</param>

  42:         /// <param name="AppendJPG">Should jpg be appended to the link?</param>

  43:         /// <returns>The full path to the Gravatar image link</returns>

  44:         public static string GetImageLink(string Email,bool AppendJPG=false)

  45:         {

  46:             string Ending = AppendJPG ? ".jpg" : "";

  47:             return "http://www.gravatar.com/avatar/" + Utilities.Encryption.MD5.ComputeHash(Email.Trim().ToLower()).ToLower() + Ending;

  48:         }

  49:  

  50:         #endregion

  51:     }

  52: }

   1: public static string ComputeHash(string Input)

   2: {

   3:     MD5CryptoServiceProvider MD5 = new MD5CryptoServiceProvider();

   4:     byte[] InputArray = System.Text.Encoding.ASCII.GetBytes(Input);

   5:     byte[] HashedArray = MD5.ComputeHash(InputArray);

   6:     MD5.Clear();

   7:     return BitConverter.ToString(HashedArray).Replace("-","");

   8: }