samples/Consumer/GoogleAddressBook.aspx.cs

   1 using System;
   2 using System.Collections.Generic;
   3 using System.Linq;
   4 using System.Text;
   5 using System.Web;
   6 using System.Web.UI;
   7 using System.Web.UI.WebControls;
   8 using System.Xml.Linq;
   9 using DotNetOAuth;
  10 using DotNetOAuth.ChannelElements;
  11 using DotNetOAuth.Messaging;
  12
  13 /// <summary>
  14 /// A page to demonstrate downloading a Gmail address book using OAuth.
  15 /// </summary>
  16 public partial class GoogleAddressBook : System.Web.UI.Page {
  17         protected void Page_Load(object sender, EventArgs e) {
  18                 if (!IsPostBack) {
  19                         if (Session["TokenManager"] != null) {
  20                                 InMemoryTokenManager tokenManager = (InMemoryTokenManager)Session["TokenManager"];
  21                                 Consumer google = new Consumer(Constants.GoogleDescription, tokenManager) {
  22                                         ConsumerKey = tokenManager.ConsumerKey,
  23                                         ConsumerSecret = tokenManager.ConsumerSecret,
  24                                 };
  25
  26                                 var accessTokenMessage = google.ProcessUserAuthorization();
  27                                 if (accessTokenMessage != null) {
  28                                         // User has approved access
  29                                         MultiView1.ActiveViewIndex = 1;
  30                                         resultsPlaceholder.Controls.Add(new Label { Text = accessTokenMessage.AccessToken });
  31
  32                                         Response contactsResponse = google.SendAuthorizedRequest(Constants.GoogleScopes.GetContacts, accessTokenMessage.AccessToken);
  33                                         XDocument contactsDocument = XDocument.Parse(contactsResponse.Body);
  34                                         var contacts = from entry in contactsDocument.Root.Elements(XName.Get("entry", "http://www.w3.org/2005/Atom"))
  35                                                                                 select new {
  36                                                                                         Name = entry.Element(XName.Get("title", "http://www.w3.org/2005/Atom")).Value,
  37                                                                                         Email = entry.Element(XName.Get("email", "http://schemas.google.com/g/2005")).Attribute("address").Value,
  38                                                                                 };
  39                                         StringBuilder tableBuilder = new StringBuilder();
  40                                         tableBuilder.Append("<table><tr><td>Name</td><td>Email</td></tr>");
  41                                         foreach (var contact in contacts) {
  42                                                 tableBuilder.AppendFormat(
  43                                                         "<tr><td>{0}</td><td>{1}</td></tr>",
  44                                                         HttpUtility.HtmlEncode(contact.Name),
  45                                                         HttpUtility.HtmlEncode(contact.Email));
  46                                         }
  47                                         tableBuilder.Append("</table>");
  48                                         resultsPlaceholder.Controls.Add(new Literal { Text = tableBuilder.ToString() });
  49                                 }
  50                         }
  51                 }
  52         }
  53
  54         protected void authorizeButton_Click(object sender, EventArgs e) {
  55                 if (!Page.IsValid) {
  56                         return;
  57                 }
  58
  59                 InMemoryTokenManager tokenManager = new InMemoryTokenManager(consumerKeyBox.Text, consumerSecretBox.Text);
  60                 Session["TokenManager"] = tokenManager;
  61                 Consumer google = new Consumer(Constants.GoogleDescription, tokenManager);
  62                 google.ConsumerKey = consumerKeyBox.Text;
  63                 google.ConsumerSecret = consumerSecretBox.Text;
  64
  65                 var extraParameters = new Dictionary<string, string> {
  66                         { "scope", Constants.GoogleScopes.Contacts },
  67                 };
  68                 google.RequestUserAuthorization(new Uri(Request.Url, Request.RawUrl), extraParameters, null).Send();
  69         }
  70 }