Feature/token service (#1785)

* Implement draft token service

* Add tokenizer and factory

* Handle expiring tokens through base class

* Allow direct token validity checks

* Add safe unprotect to tokenizer

* Add interface to tokenizer factory

* Use tokenizer

* Fix rebase

* Handle cleartext prefix in tokenizer base

* Use epoch milliseconds for expiration in tokens

* Use tokenizers

* Test tokens

* Linter fixes

* Add TokenizerFactory to DI services

* Test epoch milliseconds deserialization

* Use separate injectables for each token type

* Fix directory

* Add functional unprotect to token

* Fix namespace and correct object names

* Remove Tokenable interface

* Test remaining Tokens classes

* Dotnet format

* Fix sut provider errors with update

* Remove useless property

Co-authored-by: Hinton <oscar@oscarhinton.com>

src/Core/Tokens/DataProtectorTokenFactory.cs

@@ -0,0 +1,48 @@
+using Microsoft.AspNetCore.DataProtection;
+
+namespace Bit.Core.Tokens
+{
+    public class DataProtectorTokenFactory<T> : IDataProtectorTokenFactory<T> where T : Tokenable
+    {
+        private readonly IDataProtector _dataProtector;
+        private readonly string _clearTextPrefix;
+
+        public DataProtectorTokenFactory(string clearTextPrefix, string purpose, IDataProtectionProvider dataProtectionProvider)
+        {
+            _dataProtector = dataProtectionProvider.CreateProtector(purpose);
+            _clearTextPrefix = clearTextPrefix;
+        }
+
+        public string Protect(T data) =>
+            data.ToToken().ProtectWith(_dataProtector).WithPrefix(_clearTextPrefix).ToString();
+
+        public T Unprotect(string token) =>
+            Tokenable.FromToken<T>(new Token(token).RemovePrefix(_clearTextPrefix).UnprotectWith(_dataProtector).ToString());
+
+        public bool TokenValid(string token)
+        {
+            try
+            {
+                return Unprotect(token).Valid;
+            }
+            catch
+            {
+                return false;
+            }
+        }
+
+        public bool TryUnprotect(string token, out T data)
+        {
+            try
+            {
+                data = Unprotect(token);
+                return true;
+            }
+            catch
+            {
+                data = default;
+                return false;
+            }
+        }
+    }
+}