added loggly integration

NzbDrone.Common/HashUtil.cs

@@ -0,0 +1,89 @@
+using System;
+using System.Text;
+using System.Threading;
+
+namespace NzbDrone.Common
+{
+    public static class HashUtil
+    {
+        //This should never be changed. very bad things will happen!
+        private static readonly DateTime Epoch = new DateTime(2010, 1, 1);
+
+        private static readonly object _lock = new object();
+
+        public static string CalculateCrc(string input)
+        {
+            uint mCrc = 0xffffffff;
+            byte[] bytes = Encoding.UTF8.GetBytes(input);
+            foreach (byte myByte in bytes)
+            {
+                mCrc ^= ((uint)(myByte) << 24);
+                for (var i = 0; i < 8; i++)
+                {
+                    if ((Convert.ToUInt32(mCrc) & 0x80000000) == 0x80000000)
+                    {
+                        mCrc = (mCrc << 1) ^ 0x04C11DB7;
+                    }
+                    else
+                    {
+                        mCrc <<= 1;
+                    }
+                }
+            }
+            return String.Format("{0:x8}", mCrc);
+        }
+
+        public static string GenerateUserId()
+        {
+            return GenerateId("u");
+        }
+
+        public static string GenerateAppId()
+        {
+            return GenerateId("a");
+        }
+
+        public static string GenerateApiToken()
+        {
+            return Guid.NewGuid().ToString().Replace("-", "");
+        }
+
+        public static string GenerateSecurityToken(int length)
+        {
+            var byteSize = (length / 4) * 3;
+
+            var linkBytes = new byte[byteSize];
+            var rngCrypto = new System.Security.Cryptography.RNGCryptoServiceProvider();
+            rngCrypto.GetBytes(linkBytes);
+            var base64String = Convert.ToBase64String(linkBytes);
+
+            return base64String;
+        }
+
+        private static string GenerateId(string prefix)
+        {
+            lock (_lock)
+            {
+                Thread.Sleep(1);
+                var tick = (DateTime.Now - Epoch).Ticks;
+                return prefix + "." + ToBase(tick);
+            }
+        }
+
+        private static string ToBase(long input)
+        {
+            const string BASE_CHARS = "0123456789abcdefghijklmnopqrstuvwxyz";
+            int targetBase = BASE_CHARS.Length;
+
+            var result = new StringBuilder();
+            do
+            {
+                result.Append(BASE_CHARS[(int)(input % targetBase)]);
+                input /= targetBase;
+            } while (input > 0);
+
+            return result.ToString();
+        }
+
+    }
+}