private void TextBoxSubscriptionUrl_KeyUp(object sender, KeyEventArgs e)
{
if (e.Key != Key.Enter)
{
return;
}
try
{
Uri url;
if (Uri.TryCreate(TextBoxSubscriptionUrl.Text, UriKind.Absolute, out url))
{
_currSubscription = WebSubClient.Subscribe(url);
_currSubscription.OnClosed += _currSubscription_OnClosed;
_currSubscription.OnReceived += _currSubscription_OnReceived;
_currSubscription.Start();
AddText("Subscribed");
}
else
{
throw new Exception("Invalid URL");
}
}
catch
{
MessageBox.Show("Please enter a valid URL");
}
}
public override async Task Go()
{
var targetActor = await _entityStore.GetEntity(Data.ToFollowID, true);
var actor = await _entityStore.GetEntity(Data.ActorID, true);
if (targetActor == null || actor == null)
{
return;
}
var hubUrl = (string)targetActor.Data["_:hubUrl"].FirstOrDefault()?.Primitive;
var topicUrl = (string)targetActor.Data["_:atomRetrieveUrl"].FirstOrDefault()?.Primitive;
if (hubUrl == null || topicUrl == null)
{
return;
}
var clientObject = await _context.WebSubClients.FirstOrDefaultAsync(a => a.ForUserId == Data.ActorID && a.TargetUserId == Data.ToFollowID);
var hc = new HttpClient();
if (Data.Unsubscribe)
{
if (clientObject.Expiry > DateTime.Now.AddMinutes(1))
{
// send request
var content = new FormUrlEncodedContent(new Dictionary <string, string>
{
["hub.mode"] = "unsubscribe",
["hub.topic"] = topicUrl,
["hub.secret"] = clientObject.Secret
});
await hc.PostAsync(hubUrl, content);
}
_context.WebSubClients.Remove(clientObject);
return;
}
if (clientObject == null)
{
clientObject = new WebSubClient
{
ForUserId = Data.ActorID,
TargetUserId = Data.ToFollowID,
Secret = Guid.NewGuid().ToString()
};
_context.WebSubClients.Add(clientObject);
}
clientObject.Topic = topicUrl;
await _context.SaveChangesAsync();
var subscribeContent = new FormUrlEncodedContent(new Dictionary <string, string>
{
["hub.mode"] = "subscribe",
["hub.topic"] = topicUrl,
["hub.secret"] = clientObject.Secret,
["hub.callback"] = ((string)actor.Data["inbox"].First().Primitive) + ".atom",
["hub.lease_seconds"] = TimeSpan.FromDays(1).TotalSeconds.ToString()
});
var response = await hc.PostAsync(hubUrl, subscribeContent);
var respText = await response.Content.ReadAsStringAsync();
if (((int)response.StatusCode) / 100 != 2)
{
response.EnsureSuccessStatusCode();
}
}
public override async Task Go()
{
var targetActor = await _entityStore.GetDBEntity(Data.ToFollowID);
var actor = await _entityStore.GetEntity(Data.ActorID, true);
if (targetActor == null || actor == null)
{
return;
}
var hubUrl = (string)targetActor.Data["_:hubUrl"].FirstOrDefault()?.Primitive;
var topicUrl = (string)targetActor.Data["atomUri"].FirstOrDefault()?.Primitive;
if (hubUrl == null || topicUrl == null)
{
return;
}
var clientObject = await _connection.QuerySingleOrDefaultAsync <WebSubClient>("select * from WebSubClients where ForUserId = @ForUserId and TargetUserId = @TargetUserId", new { ForUserID = actor.DbId, TargetUserId = targetActor.DbId });
var hc = new HttpClient();
if (Data.Unsubscribe)
{
if (clientObject.Expiry > DateTime.Now.AddMinutes(1))
{
// send request
var content = new FormUrlEncodedContent(new Dictionary <string, string>
{
["hub.mode"] = "unsubscribe",
["hub.topic"] = topicUrl,
["hub.secret"] = clientObject.Secret
});
await hc.PostAsync(hubUrl, content);
}
await _connection.ExecuteAsync("delete from \"WebSubClients\" where \"WebSubClientId\" = @Id", new { Id = clientObject.WebSubClientId });
return;
}
if (clientObject == null)
{
clientObject = new WebSubClient
{
ForUserId = actor.DbId,
TargetUserId = targetActor.DbId,
Secret = Guid.NewGuid().ToString(),
Topic = clientObject.Topic
};
await _connection.ExecuteAsync("insert into \"WebSubClients\" (\"ForUserId\", \"TargetUserId\", \"Secret\", \"Topic\") VALUES (@ForUserId, @TargetUserId, @Secret, @Topic", clientObject);
}
var subscribeContent = new FormUrlEncodedContent(new Dictionary <string, string>
{
["hub.mode"] = "subscribe",
["hub.topic"] = topicUrl,
["hub.secret"] = clientObject.Secret,
["hub.callback"] = (actor.Data["inbox"].First().Id) + ".atom",
["hub.lease_seconds"] = TimeSpan.FromDays(1).TotalSeconds.ToString()
});
var response = await hc.PostAsync(hubUrl, subscribeContent);
var respText = await response.Content.ReadAsStringAsync();
if (((int)response.StatusCode) / 100 != 2)
{
response.EnsureSuccessStatusCode();
}
}
