private async Task GetSubscriptions()
{
try
{
IGraphServiceSubscriptionsCollectionPage subscriptionCollectionPage = await this.Client.Subscriptions.Request().GetAsync().ConfigureAwait(false);
IGraphServiceSubscriptionsCollectionRequest subscriptionsNextpageRequest = subscriptionCollectionPage.NextPageRequest;
foreach (Subscription subscription in subscriptionCollectionPage.CurrentPage)
{
this.TeamsSubscriptions.TryAdd(subscription.Id, subscription);
}
while (subscriptionsNextpageRequest != null)
{
IGraphServiceSubscriptionsCollectionPage subscriptionsNextPage = await subscriptionsNextpageRequest.GetAsync().ConfigureAwait(false);
subscriptionsNextpageRequest = subscriptionsNextPage.NextPageRequest;
foreach (Subscription subscription in subscriptionsNextPage.CurrentPage)
{
this.TeamsSubscriptions.TryAdd(subscription.Id, subscription);
}
}
await this.RenewSubscriptions().ConfigureAwait(false);
}
catch (Exception ex)
{
Console.WriteLine($"Exception while getting exisiting subscriptions: {ex}");
}
}
private static string GetSubscriptionToUpdate(string notificationUrl, IGraphServiceSubscriptionsCollectionPage subscriptions)
{
foreach (var subscription in subscriptions)
{
if (subscription.NotificationUrl == notificationUrl)
{
return(subscription.Id);
}
}
return(null);
}
public async Task <ActionResult> GetSubscriptions()
{
try
{
var startDateTime = DateTime.Now;
var token = string.Empty;
if (Request.Headers.ContainsKey("Authorization"))
{
token = Request.Headers["Authorization"].ToString()?.Split(" ")?[1];
}
_graphService = _graphServiceProvider.GetService(token);
IGraphServiceSubscriptionsCollectionPage subscriptions = await _graphService.GetListSubscriptionsAsync();
var sdkQueryBuilder = new StringBuilder();
var restQueryBuilder = new StringBuilder();
sdkQueryBuilder.Append("graphClient.Subscriptions.Request().GetAsync()");
restQueryBuilder.Append($"<a href=\"https://developer.microsoft.com/en-us/graph/graph-explorer?request=subscriptions&&method=GET&version={_graphService.GraphUrlVersion}&GraphUrl=https://graph.microsoft.com\" target=\"_blank\">https://graph.microsoft.com/{_graphService.GraphUrlVersion}/subscriptions</a>");
var subscriptionResultModels = subscriptions?.ToList()?.Select(sa => new SubscriptionResultModel
{
Id = sa.Id,
Resource = sa.Resource,
ExpirationDateTime = sa.ExpirationDateTime,
ClientState = sa.ClientState,
NotificationUrl = sa.NotificationUrl
}) ?? Enumerable.Empty <SubscriptionResultModel>();
// Save queries to session
var resultQueries = new ResultQueriesViewModel(sdkQueryBuilder.ToString(), restQueryBuilder.ToString());
SubscriptionResponse subscriptionResponse = new SubscriptionResponse(subscriptionResultModels, resultQueries);
Debug.WriteLine($"SubscriptionController GetSubscriptions execution time: {DateTime.Now - startDateTime}");
return(Ok(subscriptionResponse));
}
catch (Exception exception)
{
return(BadRequest(exception.Message));
}
}
private async Task <Subscription> CreateSubscriptionWithResource(string resource)
{
if (string.IsNullOrEmpty(resource))
{
return(null);
}
var graphServiceClient = GetGraphClient();
if (Subscriptions.Any(s => s.Value.Resource == resource))
{
return(null);
}
IGraphServiceSubscriptionsCollectionPage existingSubscriptions = null;
try
{
existingSubscriptions = await graphServiceClient
.Subscriptions
.Request().
GetAsync();
}
catch (Exception ex)
{
_logger.LogError(ex, $"CreateNewSubscription-ExistingSubscriptions-Failed: {resource}");
return(null);
}
var notificationUrl = _config["BaseUrl"] + "/api/notifications";
var existingSubscription = existingSubscriptions.FirstOrDefault(s => s.Resource == resource);
if (existingSubscription != null && existingSubscription.NotificationUrl != notificationUrl)
{
_logger.LogWarning($"CreateNewSubscription-ExistingSubscriptionFound: {resource}");
DeleteSubscription(existingSubscription);
existingSubscription = null;
}
if (existingSubscription == null)
{
var sub = new Subscription
{
Resource = resource,
ChangeType = "created",
NotificationUrl = notificationUrl,
ClientState = Guid.NewGuid().ToString(),
ExpirationDateTime = DateTime.UtcNow + new TimeSpan(days: 0, hours: 0, minutes: 10, seconds: 0),
IncludeProperties = false,
LifecycleNotificationUrl = _config["BaseUrl"] + "/api/webhookLifecyle",
AdditionalData = new Dictionary <string, object>()
{
["includeResourceData"] = true,
["encryptionCertificate"] = _config["SelfSignedCert"],
["encryptionCertificateId"] = "readchannelmessage",
}
};
try
{
existingSubscription = await graphServiceClient
.Subscriptions
.Request()
.AddAsync(sub);
}
catch (Exception ex)
{
_logger.LogError(ex, $"CreateNewSubscription-Failed: {resource}");
return(null);
}
}
Subscriptions[existingSubscription.Id] = existingSubscription;
_logger.LogWarning($"Subscription Created for TeamId: {resource}");
return(existingSubscription);
}
private async Task <Subscription> CreateSubscriptionWithResource(string resource)
{
if (string.IsNullOrEmpty(resource))
{
return(null);
}
var graphServiceClient = GetGraphClient();
if (Subscriptions.Any(s => s.Value.Resource == resource && s.Value.ExpirationDateTime < DateTime.UtcNow))
{
return(null);
}
IGraphServiceSubscriptionsCollectionPage existingSubscriptions = null;
try
{
existingSubscriptions = await graphServiceClient
.Subscriptions
.Request().
GetAsync();
}
catch (Exception ex)
{
_logger.LogError(ex, $"CreateNewSubscription-ExistingSubscriptions-Failed: {resource}");
return(null);
}
var notificationUrl = _config["BaseUrl"] + "/api/notifications";
var existingSubscription = existingSubscriptions.FirstOrDefault(s => s.Resource == resource);
if (existingSubscription != null && existingSubscription.NotificationUrl != notificationUrl)
{
_logger.LogWarning($"CreateNewSubscription-ExistingSubscriptionFound: {resource}");
await DeleteSubscription(existingSubscription);
existingSubscription = null;
}
if (existingSubscription == null)
{
var sub = new Subscription
{
Resource = resource,
ChangeType = "updated",
NotificationUrl = notificationUrl,
ClientState = "ClientState",
ExpirationDateTime = DateTime.UtcNow + new TimeSpan(days: 0, hours: 0, minutes: SubscriptionExpirationTimeInMinutes, seconds: 0),
LatestSupportedTlsVersion = "v1_2",
};
try
{
existingSubscription = await graphServiceClient
.Subscriptions
.Request()
.AddAsync(sub);
}
catch (Exception ex)
{
_logger.LogError(ex, $"CreateNewSubscription-Failed: {resource}");
return(null);
}
}
Subscriptions[existingSubscription.Id] = existingSubscription;
_logger.LogWarning($"Subscription Created for TeamId: {resource}");
return(existingSubscription);
}
