Add GPL modules

MediaBrowser.Common/Extensions/BaseExtensions.cs

@@ -0,0 +1,58 @@
+using System;
+using System.Globalization;
+using System.Text.RegularExpressions;
+using MediaBrowser.Model.Cryptography;
+
+namespace MediaBrowser.Common.Extensions
+{
+    /// <summary>
+    /// Class BaseExtensions
+    /// </summary>
+    public static class BaseExtensions
+    {
+        public static ICryptoProvider CryptographyProvider { get; set; }
+
+        /// <summary>
+        /// Strips the HTML.
+        /// </summary>
+        /// <param name="htmlString">The HTML string.</param>
+        /// <returns>System.String.</returns>
+        public static string StripHtml(this string htmlString)
+        {
+            // http://stackoverflow.com/questions/1349023/how-can-i-strip-html-from-text-in-net
+            const string pattern = @"<(.|\n)*?>";
+
+            return Regex.Replace(htmlString, pattern, string.Empty).Trim();
+        }
+
+        /// <summary>
+        /// Gets the M d5.
+        /// </summary>
+        /// <param name="str">The STR.</param>
+        /// <returns>Guid.</returns>
+        public static Guid GetMD5(this string str)
+        {
+            return CryptographyProvider.GetMD5(str);
+        }
+
+        /// <summary>
+        /// Gets the MB id.
+        /// </summary>
+        /// <param name="str">The STR.</param>
+        /// <param name="type">The type.</param>
+        /// <returns>Guid.</returns>
+        /// <exception cref="System.ArgumentNullException">type</exception>
+        [Obsolete("Use LibraryManager.GetNewItemId")]
+        public static Guid GetMBId(this string str, Type type)
+        {
+            if (type == null)
+            {
+                throw new ArgumentNullException("type");
+            }
+
+            var key = type.FullName + str.ToLower();
+
+            return key.GetMD5();
+        }
+    }
+}