private async Task <bool> CreateClientAsync(OAuthAccessTokenRepository tokenRepo)
{
Auth auth;
if (!string.IsNullOrEmpty(this.AuthorizationCode))
{
auth = await this.preClient.ConnectWithCode(this.AuthorizationCode);
await tokenRepo.Save(this.InstanceUri, auth.AccessToken);
}
else
{
auth = new Auth
{
AccessToken = this.AccessToken
};
}
this.Client = new MastodonClient(this.appRegistration, auth);
var user = await this.Client.GetCurrentUser();
// 自分のアカウント名が取得できてなかったら失敗とする
if (string.IsNullOrEmpty(user?.AccountName))
{
return(false);
}
this.CurrentUser = user.ToMastodonAccount();
this.PublicStreamingFunctionCounter = new ConnectionFunctionCounter <MastodonStatus>(new PublicTimelineFunction
{
Client = this.Client,
StreamingInstanceUri = this.StreamingUri,
});
var homeFunc = new HomeTimelineFunction
{
Client = this.Client,
StreamingInstanceUri = this.StreamingUri,
};
this.HomeStreamingFunctionCounter = new ConnectionFunctionCounter <MastodonStatus>(homeFunc);
this.NotificationStreamingFunctionCounter = new ConnectionFunctionCompositionCounter <MastodonNotification, MastodonStatus>(
new NotificationFunction(this.Client, homeFunc), this.HomeStreamingFunctionCounter
);
return(true);
}
private async void InitializeAsync(OAuthAccessTokenRepository tokenRepo)
{
this.Auth = await MastodonAuthenticationHouse.Get(this.InstanceUri, tokenRepo);
while (!this.Auth.HasAuthenticated)
{
await this.Auth.DoAuth(tokenRepo);
// TODO AccessToken が無効になってた場合にのみここに来るはず。
// AccessToken をクリアして、WebView で OAuth 認証からやり直す必要あり。
}
this.ImportAuthenticationData();
await this.StartFunctionAsync();
}
public Task DoAuth(OAuthAccessTokenRepository tokenRepo)
{
if (string.IsNullOrEmpty(this.AccessToken))
{
var comp = new TaskCompletionSource <bool>();
// ヘルパがビヘイビアにアタッチされた時
this.OAuthHelper.Attached += (sender, e) =>
{
// すぐさまログインを開始
this.StartOAuthLogin();
};
// ブラウザのURIが変わった時
this.OAuthHelper.UriNavigated += async(sender, e) =>
{
try
{
if (e.Uri.Contains("/oauth/authorize/"))
{
var paths = e.Uri.Split('/');
this.AuthorizationCode = paths.Last();
await this.CreateClientAsync(tokenRepo);
this.OAuthHelper.Hide();
this.HasAuthenticated = true;
comp.SetResult(true);
}
}
catch
{
this.HasAuthenticated = false;
comp.SetResult(false);
}
};
return(comp.Task);
}
else
{
return(this.CreateClientAsync(tokenRepo).ContinueWith(t =>
{
this.HasAuthenticated = t.Result;
}));
}
}
/// <summary>
/// マストドンの認証情報を取得。
/// 取得した情報にはHasAuthenticatedがfalse（未認証状態）の場合があるので
/// その場合は呼び出し側が認証すること
/// </summary>
/// <param name="instanceUri">インスタンスURI</param>
/// <returns>認証情報</returns>
public async static Task <MastodonAuthentication> Get(string instanceUri, OAuthAccessTokenRepository tokenRepo)
{
var auth = Authes.SingleOrDefault(a => a.InstanceUri == instanceUri);
if (auth != null)
{
return(auth);
}
else
{
var accessToken = await tokenRepo.Load(instanceUri);
var newAuth = new MastodonAuthentication(instanceUri, accessToken);
_authes.Add(newAuth);
return(newAuth);
}
}
internal MastodonConnection(string instanceUri, IFunctionContainer functionContainer, OAuthAccessTokenRepository tokenRepo)
{
this.InstanceUri = instanceUri;
this.container = functionContainer;
InitializeAsync(tokenRepo);
}
