static async Task Main(string[] args)
{
string clientId = "812287fd-3ea3-49c6-b4ab-e8d41dea1f17";
string clientSecret = "[Enter here the secret register with your application]";
string tenant = "msidentitysamplestesting.onmicrosoft.com";
string[] scopes = new[] { "api://2d96f90e-a1a7-4ef5-b15c-87758986eb1a/.default" };
CacheImplementationDemo cacheImplementation = CacheImplementationDemo.InMemory;
// Create the token cache (4 possible implementations)
IMsalTokenCacheProvider msalTokenCacheProvider = CreateTokenCache(cacheImplementation);
// Create the confidential client application
IConfidentialClientApplication app;
app = ConfidentialClientApplicationBuilder.Create(clientId)
.WithClientSecret(clientSecret)
.WithTenantId(tenant)
.Build();
await msalTokenCacheProvider.InitializeAsync(app.UserTokenCache);
await msalTokenCacheProvider.InitializeAsync(app.AppTokenCache);
// Acquire a token (twice)
var result = await app.AcquireTokenForClient(scopes)
.ExecuteAsync();
Console.WriteLine(result.AuthenticationResultMetadata.TokenSource);
result = await app.AcquireTokenForClient(scopes)
.ExecuteAsync();
Console.WriteLine(result.AuthenticationResultMetadata.TokenSource);
}
/// <summary>
/// Creates a token cache (implementation of your choice)
/// </summary>
/// <param name="cacheImplementation">implementation for the token cache</param>
/// <returns>An Msal Token cache provider</returns>
private static IMsalTokenCacheProvider CreateTokenCache(CacheImplementationDemo cacheImplementation = CacheImplementationDemo.InMemory)
{
IServiceCollection services = new ServiceCollection();
// (Simulates the configuration, could be a IConfiguration or anything)
Dictionary <string, string> Configuration = new Dictionary <string, string>();
switch (cacheImplementation)
{
case CacheImplementationDemo.InMemory:
// In memory token cache
// In net472, requires to reference Microsoft.Extensions.Caching.Memory
services.AddInMemoryTokenCaches();
break;
case CacheImplementationDemo.DistributedMemory:
// In memory distributed token cache
// In net472, requires to reference Microsoft.Extensions.Caching.Memory
services.AddDistributedTokenCaches();
services.AddDistributedMemoryCache();
break;
case CacheImplementationDemo.DistributedSqlServer:
// SQL Server token cache
// Requires to reference Microsoft.Extensions.Caching.SqlServer
services.AddDistributedTokenCaches();
services.AddDistributedSqlServerCache(options =>
{
options.ConnectionString = @"Data Source=(localdb)\MSSQLLocalDB;Initial Catalog=TestCache;Integrated Security=True;Connect Timeout=30;Encrypt=False;TrustServerCertificate=False;ApplicationIntent=ReadWrite;MultiSubnetFailover=False";
options.SchemaName = "dbo";
options.TableName = "TestCache";
});
break;
case CacheImplementationDemo.StackExchangeRedis:
// Redis token cache
// Requires to reference Microsoft.Extensions.Caching.StackExchangeRedis
services.AddDistributedTokenCaches();
services.AddStackExchangeRedisCache(options =>
{
options.Configuration = "localhost";
options.InstanceName = "SampleInstance";
});
break;
case CacheImplementationDemo.CosmosDb:
// Redis token cache
// Requires to reference Microsoft.Extensions.Caching.Cosmos (preview)
services.AddCosmosCache((CosmosCacheOptions cacheOptions) =>
{
cacheOptions.ContainerName = Configuration["CosmosCacheContainer"];
cacheOptions.DatabaseName = Configuration["CosmosCacheDatabase"];
cacheOptions.ClientBuilder = new CosmosClientBuilder(Configuration["CosmosConnectionString"]);
cacheOptions.CreateIfNotExists = true;
});
break;
default:
break;
}
IServiceProvider serviceProvider = services.BuildServiceProvider();
IMsalTokenCacheProvider msalTokenCacheProvider = serviceProvider.GetRequiredService <IMsalTokenCacheProvider>();
return(msalTokenCacheProvider);
}
/// <summary>
/// Creates a token cache (implementation of your choice)
/// </summary>
/// <param name="cacheImplementation">implementation for the token cache</param>
/// <returns>An Msal Token cache provider</returns>
private static IMsalTokenCacheProvider CreateTokenCache(CacheImplementationDemo cacheImplementation = CacheImplementationDemo.InMemory)
{
IServiceCollection services = new ServiceCollection();
// (Simulates the configuration, could be a IConfiguration or anything)
Dictionary <string, string> Configuration = new Dictionary <string, string>();
switch (cacheImplementation)
{
case CacheImplementationDemo.InMemory:
// In memory token cache
// In net472, requires to reference Microsoft.Extensions.Caching.Memory
services.AddInMemoryTokenCaches();
break;
case CacheImplementationDemo.DistributedMemory:
// In memory distributed token cache
// In net472, requires to reference Microsoft.Extensions.Caching.Memory
services.AddDistributedTokenCaches();
services.AddDistributedMemoryCache();
break;
case CacheImplementationDemo.DistributedSqlServer:
// SQL Server token cache
// Requires to reference Microsoft.Extensions.Caching.SqlServer
services.AddDistributedTokenCaches();
services.AddDistributedSqlServerCache(options =>
{
options.ConnectionString = @"Data Source=(localdb)\MSSQLLocalDB;Initial Catalog=TestCache;Integrated Security=True;Connect Timeout=30;Encrypt=False;TrustServerCertificate=False;ApplicationIntent=ReadWrite;MultiSubnetFailover=False";
options.SchemaName = "dbo";
options.TableName = "TestCache";
// You don't want the SQL token cache to be purged before the access token has expired. Usually
// access tokens expire after 1 hour (but this can be changed by token lifetime policies), whereas
// the default sliding expiration for the distributed SQL database is 20 mins.
// Use a value which is above 60 mins (or the lifetime of a token in case of longer lived tokens)
options.DefaultSlidingExpiration = TimeSpan.FromMinutes(90);
});
break;
case CacheImplementationDemo.StackExchangeRedis:
// Redis token cache
// Requires to reference Microsoft.Extensions.Caching.StackExchangeRedis
services.AddDistributedTokenCaches();
services.AddStackExchangeRedisCache(options =>
{
options.Configuration = "localhost";
options.InstanceName = "SampleInstance";
});
break;
case CacheImplementationDemo.CosmosDb:
// Redis token cache
// Requires to reference Microsoft.Extensions.Caching.Cosmos (preview)
services.AddDistributedTokenCaches();
services.AddCosmosCache((CosmosCacheOptions cacheOptions) =>
{
cacheOptions.ContainerName = Configuration["CosmosCacheContainer"];
cacheOptions.DatabaseName = Configuration["CosmosCacheDatabase"];
cacheOptions.ClientBuilder = new CosmosClientBuilder(Configuration["CosmosConnectionString"]);
cacheOptions.CreateIfNotExists = true;
});
break;
default:
break;
}
IServiceProvider serviceProvider = services.BuildServiceProvider();
IMsalTokenCacheProvider msalTokenCacheProvider = serviceProvider.GetRequiredService <IMsalTokenCacheProvider>();
return(msalTokenCacheProvider);
}
