protected void Page_Load(object sender, EventArgs e)
{
auth = new WebOAuthAuthorization(InMemoryTokenManager.Instance, InMemoryTokenManager.AccessToken);
if (!Page.IsPostBack)
{
// try to complete a pending authorization in case there is one.
string accessToken = auth.CompleteAuthorize();
if (accessToken != null)
{
// Store the access token in session state so we can get at it across page refreshes.
// In a real app, you'd want to associate this access token with the user that is
// logged into your app at this point.
InMemoryTokenManager.AccessToken = accessToken;
// Clear away the OAuth message so that users can refresh the page without problems.
Response.Redirect(Page.Request.Path);
}
}
if (string.IsNullOrEmpty(InMemoryTokenManager.Instance.ConsumerKey) || string.IsNullOrEmpty(InMemoryTokenManager.Instance.ConsumerSecret))
{
// The user needs to set up the web.config file to include Twitter consumer key and secret.
PrivateDataMultiView.SetActiveView(SetupTwitterConsumer);
}
else if (auth.CachedCredentialsAvailable)
{
auth.SignOn(); // acquire the screen name, and ensure the access token is still valid.
screenNameLabel.Text = auth.ScreenName;
PrivateDataMultiView.SetActiveView(ViewPrivateUpdates);
updateBox.Focus();
}
else
{
PrivateDataMultiView.SetActiveView(AuthorizeTwitter);
}
twitterCtx = auth.CachedCredentialsAvailable ? new TwitterContext(auth) : new TwitterContext();
var tweets =
from tweet in twitterCtx.Status
where tweet.Type == (auth.CachedCredentialsAvailable ? StatusType.Friends : StatusType.Public)
select tweet;
TwitterListView.DataSource = tweets;
TwitterListView.DataBind();
// demonstrate serialization
var serializableUser =
(from user in twitterCtx.User
where user.Type == UserType.Show &&
user.ScreenName == "JoeMayo"
select user)
.FirstOrDefault();
// if you have ASP.NET state server turned on
// this will still work because User is serializable
Session["SerializableUser"] = serializableUser;
}
protected void Page_Load(object sender, EventArgs e)
{
IOAuthCredentials credentials = new SessionStateCredentials();
if (credentials.ConsumerKey == null || credentials.ConsumerSecret == null)
{
credentials.ConsumerKey = ConfigurationManager.AppSettings["twitterConsumerKey"];
credentials.ConsumerSecret = ConfigurationManager.AppSettings["twitterConsumerSecret"];
}
auth = new WebAuthorizer
{
Credentials = credentials,
PerformRedirect = authUrl => Response.Redirect(authUrl)
};
if (!Page.IsPostBack && Request.QueryString["oauth_token"] != null)
{
auth.CompleteAuthorization(Request.Url);
}
if (string.IsNullOrWhiteSpace(credentials.ConsumerKey) ||
string.IsNullOrWhiteSpace(credentials.ConsumerSecret))
{
// The user needs to set up the web.config file to include Twitter consumer key and secret.
PrivateDataMultiView.SetActiveView(SetupTwitterConsumer);
}
else if (auth.IsAuthorized)
{
screenNameLabel.Text = auth.ScreenName;
PrivateDataMultiView.SetActiveView(ViewPrivateUpdates);
updateBox.Focus();
}
else
{
PrivateDataMultiView.SetActiveView(AuthorizeTwitter);
}
if (auth.IsAuthorized)
{
twitterCtx = new TwitterContext(auth);
var search =
(from srch in twitterCtx.Search
where srch.Type == SearchType.Search &&
srch.Query == "LINQ to Twitter"
select srch)
.SingleOrDefault();
TwitterListView.DataSource = search.Statuses;
TwitterListView.DataBind();
}
}
protected async void RefreshButton_Click(object sender, EventArgs e)
{
var auth = new AspNetAuthorizer
{
CredentialStore = new SessionStateCredentialStore(),
GoToTwitterAuthorization = twitterUrl => { }
};
var ctx = new TwitterContext(auth);
var tweets =
await
(from tweet in ctx.Status
where tweet.Type == StatusType.Home
select tweet)
.ToListAsync();
TwitterListView.DataSource = tweets;
TwitterListView.DataBind();
}