/// <summary>
        /// Log user in to LinkedIn.
        /// </summary>
        /// <returns>Boolean indicating login success.</returns>
        public async Task <bool> LoginAsync()
        {
            var user       = _storageManager.Get(LinkedInConstants.STORAGEKEYUSER);
            var credential = _passwordManager.Get(LinkedInConstants.STORAGEKEYACCESSTOKEN);

            if (!string.IsNullOrEmpty(user) && credential != null)
            {
                Tokens.AccessToken = credential.Password;
                Username           = _storageManager.Get(LinkedInConstants.STORAGEKEYUSER);
                LoggedIn           = true;
                return(true);
            }

            string authorizeCode = await GetAuthorizeCodeAsync(Tokens, RequiredPermissions);

            if (!string.IsNullOrEmpty(authorizeCode))
            {
                var accessToken = await GetAccessTokenAsync(Tokens, authorizeCode);

                if (!string.IsNullOrEmpty(accessToken))
                {
                    Tokens.AccessToken = accessToken;

                    _passwordManager.Store(LinkedInConstants.STORAGEKEYACCESSTOKEN, new PasswordCredential {
                        UserName = LinkedInConstants.STORAGEKEYUSER, Password = accessToken
                    });
                    _storageManager.Set(LinkedInConstants.STORAGEKEYUSER, LinkedInConstants.STORAGEKEYUSER);
                    return(true);
                }
            }

            LoggedIn = false;
            return(false);
        }
Exemple #2
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        /// <summary>
        /// Log user in to Twitter.
        /// </summary>
        /// <returns>Boolean indicating login success.</returns>
        public async Task <bool> LoginAsync()
        {
            var credentials = _passwordManager.Get("TwitterAccessToken");
            var user        = await _storageManager.GetAsync("TwitterScreenName");

            if (!string.IsNullOrEmpty(user) && credentials != null)
            {
                _tokens.AccessToken       = credentials.UserName;
                _tokens.AccessTokenSecret = credentials.Password;
                UserScreenName            = user;
                LoggedIn = true;
                return(true);
            }

            if (await InitializeRequestAccessTokensAsync(_tokens.CallbackUri) == false)
            {
                LoggedIn = false;
                return(false);
            }

            string requestToken = _tokens.RequestToken;
            string twitterUrl   = $"{OAuthBaseUrl}/authorize?oauth_token={requestToken}";

            Uri startUri = new Uri(twitterUrl);
            Uri endUri   = new Uri(_tokens.CallbackUri);

            var result = await _authenticationBroker.Authenticate(startUri, endUri);

            switch (result.ResponseStatus)
            {
            case AuthenticationResultStatus.Success:
                LoggedIn = true;
                return(await ExchangeRequestTokenForAccessTokenAsync(result.ResponseData));

            case AuthenticationResultStatus.ErrorHttp:
                Debug.WriteLine("WAB failed, message={0}", result.ResponseErrorDetail.ToString());
                LoggedIn = false;
                return(false);

            case AuthenticationResultStatus.UserCancel:
                Debug.WriteLine("WAB user aborted.");
                LoggedIn = false;
                return(false);
            }

            LoggedIn = false;
            return(false);
        }
        /// <summary>
        /// Log user in to Weibo.
        /// </summary>
        /// <returns>Boolean indicating login success.</returns>
        public async Task <bool> LoginAsync()
        {
            var    credentials = _passwordManager.Get(PasswordKey);
            string uidString   = await _storageManager.GetAsync(StorageKey);

            if (long.TryParse(uidString, out var uid) && credentials != null)
            {
                _tokens.AccessToken = credentials.Password;
                Uid      = uid;
                LoggedIn = true;
                return(true);
            }

            string appKey      = _tokens.AppKey;
            string redirectUri = _tokens.RedirectUri;
            string weiboUrl    = $"{OAuthBaseUrl}/authorize?client_id={appKey}&redirect_uri={redirectUri}";

            Uri startUri = new Uri(weiboUrl);
            Uri endUri   = new Uri(redirectUri);

            var result = await _authenticationBroker.Authenticate(startUri, endUri);

            switch (result.ResponseStatus)
            {
            case AuthenticationResultStatus.Success:
                LoggedIn = true;
                return(await ExchangeRequestTokenForAccessTokenAsync(result.ResponseData));

            case AuthenticationResultStatus.ErrorHttp:
                LoggedIn = false;
                return(false);

            case AuthenticationResultStatus.UserCancel:
                LoggedIn = false;
                return(false);
            }

            LoggedIn = false;
            return(false);
        }