public ManageSubscriptions(IConfiguration config, IMsalAccountActivityStore msalAccountActivityStore, IServiceProvider serviceProvider, IMsalTokenCacheProvider msalTokenCacheProvider)
{
_config = config;
_msalAccountActivityStore = msalAccountActivityStore;
_serviceProvider = serviceProvider;
_msalTokenCacheProvider = msalTokenCacheProvider;
}
public Connect(ITokenAcquisition tokenAcquisition, GraphServiceClient graphServiceClient,
IConfiguration config, IMsalAccountActivityStore msalAccountActivityStore, IMsalTokenCacheProvider msalTokenCacheProvider)
{
_tokenAcquisition = tokenAcquisition;
_graphServiceClient = graphServiceClient;
_config = config;
_msalAccountActivityStore = msalAccountActivityStore;
_msalTokenCacheProvider = msalTokenCacheProvider;
}
private static void Main(string[] args)
{
try
{
Console.WriteLine("Application started! \n");
// SQL SERVER CONFIG, this should match that of the WebApi
_serviceProvider = new ServiceCollection()
.AddLogging()
.AddDistributedMemoryCache()
.AddDistributedSqlServerCache(options =>
{
options.ConnectionString = config.TokenCacheDbConnStr;
options.SchemaName = "dbo";
options.TableName = "TokenCache";
options.DefaultSlidingExpiration = TimeSpan.FromHours(2);
})
.AddDbContext <IntegratedTokenCacheDbContext>(options => options.UseSqlServer(config.TokenCacheDbConnStr))
//.AddSingleton<IMsalTokenCacheProvider, BackgroundWorkerTokenCacheAdapter>()
.AddScoped <IMsalAccountActivityStore, SqlServerMsalAccountActivityStore>()
.BuildServiceProvider();
// REDIS CONFIG, this should match that of the WebApi
//_serviceProvider = new ServiceCollection()
// .AddLogging()
// .AddDistributedMemoryCache()
// .AddStackExchangeRedisCache(options =>
// {
// options.Configuration = config.TokenCacheRedisConnStr;
// options.InstanceName = config.TokenCacheRedisInstaceName;
// })
// .AddSingleton<IMsalTokenCacheProvider, MsalDistributedTokenCacheAdapter>()
// .AddDbContext<IntegratedTokenCacheDbContext>(options => options.UseSqlServer(config.TokenCacheDbConnStr))
// .AddScoped<IMsalAccountActivityStore, SqlServerMsalAccountActivityStore>()
// .BuildServiceProvider();
_msalAccountActivityStore = _serviceProvider.GetRequiredService <IMsalAccountActivityStore>();
RunAsync().GetAwaiter().GetResult();
}
catch (Exception ex)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine(ex.Message);
Console.ResetColor();
}
Console.WriteLine("Press any key to exit");
Console.ReadKey();
}
internal static async Task ManageSubscription(SubscriptionActivity currentSubscriptionActivity, string oid, string tid, string upn, IConfiguration config, IMsalAccountActivityStore msalAccountActivityStore, GraphServiceClient _graphServiceClient, IMsalTokenCacheProvider msalTokenCacheProvider)
{
string subscriptionId = null;
string changeToken = null;
string notiticationUrl = config.GetValue <string>("Files:SubscriptionService");
int subscriptionLifeTimeInMinutes = config.GetValue <int>("Files:SubscriptionLifeTime");
if (subscriptionLifeTimeInMinutes == 0)
{
subscriptionLifeTimeInMinutes = 15;
}
// Load the current subscription (if any)
var currentSubscriptions = await _graphServiceClient.Subscriptions.Request().GetAsync();
var currentOneDriveSubscription = currentSubscriptions.FirstOrDefault(p => p.Resource == "me/drive/root");
// If present and still using the same subscription host then update the subscription expiration date
if (currentOneDriveSubscription != null && currentOneDriveSubscription.NotificationUrl.Equals(notiticationUrl, StringComparison.InvariantCultureIgnoreCase))
{
// Extend the expiration of the current subscription
subscriptionId = currentOneDriveSubscription.Id;
currentOneDriveSubscription.ExpirationDateTime = DateTimeOffset.UtcNow.AddMinutes(subscriptionLifeTimeInMinutes);
currentOneDriveSubscription.ClientState = Constants.FilesSubscriptionServiceClientState;
await _graphServiceClient.Subscriptions[currentOneDriveSubscription.Id].Request().UpdateAsync(currentOneDriveSubscription);
// Check if the last change token was populated
if (currentSubscriptionActivity == null)
{
currentSubscriptionActivity = await msalAccountActivityStore.GetSubscriptionActivityForUserSubscription(oid, tid, upn, subscriptionId);
}
if (currentSubscriptionActivity != null)
{
changeToken = currentSubscriptionActivity.LastChangeToken;
}
}
else
{
// Add a new subscription
var newSubscription = await _graphServiceClient.Subscriptions.Request().AddAsync(new Subscription()
{
ChangeType = "updated",
NotificationUrl = notiticationUrl,
Resource = "me/drive/root",
ExpirationDateTime = DateTimeOffset.UtcNow.AddMinutes(subscriptionLifeTimeInMinutes),
ClientState = Constants.FilesSubscriptionServiceClientState,
LatestSupportedTlsVersion = "v1_2"
});
subscriptionId = newSubscription.Id;
}
// Store the user principal name with the subscriptionid as that's the mechanism needed to connect change event with tenant/user
var cacheEntriesToRemove = await msalAccountActivityStore.UpdateSubscriptionId(subscriptionId, oid, tid, upn);
// If we've found old MSAL cache entries for which we've removed the respective MsalActivity records we should also
// drop these from the MSAL cache itself
if (cacheEntriesToRemove.Any())
{
foreach (var cacheEntry in cacheEntriesToRemove)
{
await(msalTokenCacheProvider as IntegratedTokenCacheAdapter).RemoveKeyFromCache(cacheEntry);
}
}
if (changeToken == null)
{
// Initialize the subscription and get the latest change token, to avoid getting back all the historical changes
IDriveItemDeltaCollectionPage deltaCollection = await _graphServiceClient.Me.Drive.Root.Delta("latest").Request().GetAsync();
var deltaLink = deltaCollection.AdditionalData["@odata.deltaLink"];
if (!string.IsNullOrEmpty(deltaLink.ToString()))
{
changeToken = ProcessChanges.GetChangeTokenFromUrl(deltaLink.ToString());
}
}
// Store a record per user/subscription to track future delta queries
if (currentSubscriptionActivity == null)
{
currentSubscriptionActivity = new SubscriptionActivity(oid, tid, upn)
{
SubscriptionId = subscriptionId,
LastChangeToken = changeToken
};
}
currentSubscriptionActivity.LastChangeToken = changeToken;
currentSubscriptionActivity.SubscriptionId = subscriptionId;
await msalAccountActivityStore.UpsertSubscriptionActivity(currentSubscriptionActivity);
}
public ProcessChanges(IConfiguration config, IMsalAccountActivityStore msalAccountActivityStore, IServiceProvider serviceProvider)
{
_config = config;
_msalAccountActivityStore = msalAccountActivityStore;
_serviceProvider = serviceProvider;
}
