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using System;
using System.Linq;
using System.Text;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Xml.Linq;
using DotNetOpenAuth.ApplicationBlock;
/// <summary>
/// A page to demonstrate downloading a Gmail address book using OAuth.
/// </summary>
public partial class GoogleAddressBook : System.Web.UI.Page {
protected void Page_Load(object sender, EventArgs e) {
if (!IsPostBack) {
if (Session["TokenManager"] != null) {
InMemoryTokenManager tokenManager = (InMemoryTokenManager)Session["TokenManager"];
var google = GoogleConsumer.CreateWebConsumer(tokenManager, tokenManager.ConsumerKey);
var accessTokenResponse = google.ProcessUserAuthorization();
if (accessTokenResponse != null) {
// User has approved access
MultiView1.ActiveViewIndex = 1;
resultsPlaceholder.Controls.Add(new Label { Text = accessTokenResponse.AccessToken });
XDocument contactsDocument = GoogleConsumer.GetContacts(google, accessTokenResponse.AccessToken);
var contacts = from entry in contactsDocument.Root.Elements(XName.Get("entry", "http://www.w3.org/2005/Atom"))
select new {
Name = entry.Element(XName.Get("title", "http://www.w3.org/2005/Atom")).Value,
Email = entry.Element(XName.Get("email", "http://schemas.google.com/g/2005")).Attribute("address").Value,
};
StringBuilder tableBuilder = new StringBuilder();
tableBuilder.Append("<table><tr><td>Name</td><td>Email</td></tr>");
foreach (var contact in contacts) {
tableBuilder.AppendFormat(
"<tr><td>{0}</td><td>{1}</td></tr>",
HttpUtility.HtmlEncode(contact.Name),
HttpUtility.HtmlEncode(contact.Email));
}
tableBuilder.Append("</table>");
resultsPlaceholder.Controls.Add(new Literal { Text = tableBuilder.ToString() });
}
}
}
}
protected void authorizeButton_Click(object sender, EventArgs e) {
if (!Page.IsValid) {
return;
}
InMemoryTokenManager tokenManager = new InMemoryTokenManager(consumerKeyBox.Text, consumerSecretBox.Text);
Session["TokenManager"] = tokenManager;
var google = GoogleConsumer.CreateWebConsumer(tokenManager, consumerKeyBox.Text);
GoogleConsumer.RequestAuthorization(google, GoogleConsumer.Applications.Contacts);
}
}
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