Update to MSAL 4.3.1 (#59)

* Update to MSAL 4.3.1

* 431 and remove non-used cache

Author: bgavrilMS

TaskWebApp/TaskWebApp.csproj

@@ -52,8 +52,8 @@
       <HintPath>..\packages\Antlr.3.5.0.2\lib\Antlr3.Runtime.dll</HintPath>
     </Reference>
     <Reference Include="Microsoft.CSharp" />
-    <Reference Include="Microsoft.Identity.Client, Version=3.0.8.0, Culture=neutral, PublicKeyToken=0a613f4dd989e8ae, processorArchitecture=MSIL">
-      <HintPath>..\packages\Microsoft.Identity.Client.3.0.8\lib\net45\Microsoft.Identity.Client.dll</HintPath>
+    <Reference Include="Microsoft.Identity.Client, Version=4.3.1.0, Culture=neutral, PublicKeyToken=0a613f4dd989e8ae, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.Identity.Client.4.3.1\lib\net45\Microsoft.Identity.Client.dll</HintPath>
     </Reference>
     <Reference Include="Microsoft.IdentityModel.JsonWebTokens, Version=5.4.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.IdentityModel.JsonWebTokens.5.4.0\lib\net451\Microsoft.IdentityModel.JsonWebTokens.dll</HintPath>
@@ -187,7 +187,6 @@
     <Compile Include="Utils\Globals.cs" />
     <Compile Include="Utils\MsalAppBuilder.cs" />
     <Compile Include="Utils\MSALPerUserMemoryTokenCache.cs" />
-    <Compile Include="Utils\MSALPerUserSessionTokenCache.cs" />
   </ItemGroup>
   <ItemGroup>
     <Content Include="Content\bootstrap.css" />

TaskWebApp/Utils/MSALPerUserMemoryTokenCache.cs

@@ -41,11 +41,6 @@ public class MSALPerUserMemoryTokenCache
 		/// </summary>
 		private readonly DateTimeOffset cacheDuration = DateTimeOffset.Now.AddHours(48);
 
-		/// <summary>
-		/// The internal handle to the client's instance of the Cache
-		/// </summary>
-		private ITokenCache UserTokenCache;
-
 		/// <summary>
 		/// Once the user signes in, this will not be null and can be ontained via a call to Thread.CurrentPrincipal
 		/// </summary>
@@ -77,18 +72,15 @@ private void Initialize(ITokenCache tokenCache, ClaimsPrincipal user)
 		{
 			this.SignedInUser = user;
 
-			this.UserTokenCache = tokenCache;
-			this.UserTokenCache.SetBeforeAccess(this.UserTokenCacheBeforeAccessNotification);
-			this.UserTokenCache.SetAfterAccess(this.UserTokenCacheAfterAccessNotification);
-			this.UserTokenCache.SetBeforeWrite(this.UserTokenCacheBeforeWriteNotification);
+			tokenCache.SetBeforeAccess(this.UserTokenCacheBeforeAccessNotification);
+			tokenCache.SetAfterAccess(this.UserTokenCacheAfterAccessNotification);
+            tokenCache.SetBeforeWrite(this.UserTokenCacheBeforeWriteNotification);
 
 			if (this.SignedInUser == null)
 			{
 				// No users signed in yet, so we return
 				return;
 			}
-
-			this.LoadUserTokenCacheFromMemory();
 		}
 
 		/// <summary>
@@ -107,7 +99,7 @@ internal string GetMsalAccountId()
 		/// <summary>
 		/// Loads the user token cache from memory.
 		/// </summary>
-		private void LoadUserTokenCacheFromMemory()
+		private void LoadUserTokenCacheFromMemory(ITokenCacheSerializer tokenCache)
 		{
 			string cacheKey = this.GetMsalAccountId();
 
@@ -116,21 +108,21 @@ private void LoadUserTokenCacheFromMemory()
 
 			// Ideally, methods that load and persist should be thread safe. MemoryCache.Get() is thread safe.
 			byte[] tokenCacheBytes = (byte[])this.memoryCache.Get(this.GetMsalAccountId());
-			this.UserTokenCache.DeserializeMsalV3(tokenCacheBytes);
+            tokenCache.DeserializeMsalV3(tokenCacheBytes);
 		}
 
 		/// <summary>
 		/// Persists the user token blob to the memoryCache.
 		/// </summary>
-		private void PersistUserTokenCache()
+		private void PersistUserTokenCache(ITokenCacheSerializer tokenCache)
 		{
 			string cacheKey = this.GetMsalAccountId();
 
 			if (string.IsNullOrWhiteSpace(cacheKey))
 				return;
 
 			// Ideally, methods that load and persist should be thread safe.MemoryCache.Get() is thread safe.
-			this.memoryCache.Set(this.GetMsalAccountId(), this.UserTokenCache.SerializeMsalV3(), this.cacheDuration);
+			this.memoryCache.Set(this.GetMsalAccountId(), tokenCache.SerializeMsalV3(), this.cacheDuration);
 		}
 
 		/// <summary>
@@ -139,9 +131,6 @@ private void PersistUserTokenCache()
 		public void Clear()
 		{
 			this.memoryCache.Remove(this.GetMsalAccountId());
-
-			// Nulls the currently deserialized instance
-			this.LoadUserTokenCacheFromMemory();
 		}
 
 		/// <summary>
@@ -155,7 +144,7 @@ private void UserTokenCacheAfterAccessNotification(TokenCacheNotificationArgs ar
 			// if the access operation resulted in a cache update
 			if (args.HasStateChanged)
 			{
-				this.PersistUserTokenCache();
+				this.PersistUserTokenCache(args.TokenCache);
 			}
 		}
 
@@ -165,7 +154,7 @@ private void UserTokenCacheAfterAccessNotification(TokenCacheNotificationArgs ar
 		/// <param name="args">Contains parameters used by the MSAL call accessing the cache.</param>
 		private void UserTokenCacheBeforeAccessNotification(TokenCacheNotificationArgs args)
 		{
-			this.LoadUserTokenCacheFromMemory();
+			this.LoadUserTokenCacheFromMemory(args.TokenCache);
 		}
 
 		/// <summary>

TaskWebApp/Utils/MSALPerUserSessionTokenCache.cs

@@ -76,8 +76,8 @@ public static async Task ClearUserTokenCache()
 				//Remove the users from the MSAL's internal cache
 				await clientapp.RemoveAsync(account);
 			}
+            userTokenCache.Clear();
 
-			userTokenCache.Clear();
-		}
-	}
+        }
+    }
 }

TaskWebApp/Utils/MsalAppBuilder.cs

@@ -9,7 +9,7 @@
   <package id="Microsoft.AspNet.WebApi.Core" version="5.2.7" targetFramework="net461" />
   <package id="Microsoft.AspNet.WebApi.WebHost" version="5.2.7" targetFramework="net461" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.7" targetFramework="net451" />
-  <package id="Microsoft.Identity.Client" version="3.0.8" targetFramework="net451" />
+  <package id="Microsoft.Identity.Client" version="4.3.1" targetFramework="net451" />
   <package id="Microsoft.IdentityModel.JsonWebTokens" version="5.4.0" targetFramework="net451" />
   <package id="Microsoft.IdentityModel.Logging" version="5.4.0" targetFramework="net451" />
   <package id="Microsoft.IdentityModel.Protocols" version="5.4.0" targetFramework="net451" />