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>

test/Core.Test/Models/Business/Tokenables/HCaptchaTokenableTests.cs

@@ -0,0 +1,58 @@
+using System;
+using System.Text.Json;
+using AutoFixture.Xunit2;
+using Bit.Core.Models.Business.Tokenables;
+using Bit.Core.Models.Table;
+using Bit.Core.Tokens;
+using Xunit;
+
+namespace Bit.Core.Test.Models.Business.Tokenables
+{
+    public class HCaptchaTokenableTests
+    {
+        [Theory, AutoData]
+        public void CanUpdateExpirationToNonStandard(User user)
+        {
+            var token = new HCaptchaTokenable(user)
+            {
+                ExpirationDate = DateTime.MinValue
+            };
+
+            Assert.Equal(DateTime.MinValue, token.ExpirationDate, TimeSpan.FromMilliseconds(10));
+        }
+
+        [Theory, AutoData]
+        public void SetsDataFromUser(User user)
+        {
+            var token = new HCaptchaTokenable(user);
+
+            Assert.Equal(user.Id, token.Id);
+            Assert.Equal(user.Email, token.Email);
+        }
+
+        [Theory, AutoData]
+        public void SerializationSetsCorrectDateTime(User user)
+        {
+            var expectedDateTime = DateTime.UtcNow.AddHours(-5);
+            var token = new HCaptchaTokenable(user)
+            {
+                ExpirationDate = expectedDateTime
+            };
+
+            var result = Tokenable.FromToken<HCaptchaTokenable>(token.ToToken());
+
+            Assert.Equal(expectedDateTime, result.ExpirationDate, TimeSpan.FromMilliseconds(10));
+        }
+
+        [Theory, AutoData]
+        public void IsInvalidIfIdentifierIsWrong(User user)
+        {
+            var token = new HCaptchaTokenable(user)
+            {
+                Identifier = "not correct"
+            };
+
+            Assert.False(token.Valid);
+        }
+    }
+}