1: private String ConsumerKey = "xxxxxx";

   2: private String ConsumerSecret = "xxxxxxyyyyyyy";

   3: private String RequestURI = "https://sandbox.evernote.com/oauth";

   4: private String AuthorizationURI = "https://sandbox.evernote.com/OAuth.action";

   5: private String CallbackURI = "http://localhost/EvernoteAdage";

   6: private String RequestToken;

   7: private String RequestTokenSecret;

   8: private String Verifier;

   9:  

  10: private string Token;

  11: private long Expires;

  12:  

  13: private void button2_Click(object sender, RoutedEventArgs e)

  14: {

  15:     RequesCredentials();

  16:     //使用webBrowser，导航到授权的网站

  17:     this.webBrowser1.Navigate(AuthorizationURI + "?oauth_token=" +

  18:                                                         RequestToken);

  19: }

  20:  

  21: //获取RequestToken和RequestTokenSecret

  22: private void RequesCredentials()

  23: {

  24:     //CallbackUrl是一定要设置的

  25:     OAuthRequest client = OAuthRequest.ForRequestToken(ConsumerKey,

  26:                                         ConsumerSecret);

  27:     client.RequestUrl = RequestURI;

  28:     client.CallbackUrl = CallbackURI;

  29:  

  30:     String auth = client.GetAuthorizationQuery();

  31:     String url = client.RequestUrl + "?" + auth;

  32:     HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);

  33:  

  34:     //获取请求结果

  35:     HttpWebResponse response = (HttpWebResponse)request.GetResponse();

  36:     StreamReader reader = new StreamReader(response.GetResponseStream());

  37:     String result = reader.ReadToEnd();

  38:     reader.Close();

  39:     response.Close();

  40:  

  41:     //从结果中提取出RequestToken和RequestTokenSecret

  42:     RequestToken = result.Split('&')[0].Split('=')[1];

  43:     RequestTokenSecret = result.Split('&')[1].Split('=')[1];

  44: }

  45:  

  46: //针对授权的结果的Verifier

  47: private void webBrowser1_Navigating(object sender, NavigatingCancelEventArgs e)

  48: {

  49:     if(e.Uri.ToString().StartsWith("http://localhost/EvernoteAdage"))

  50:     {

  51:         var splitted = e.Uri.ToString().Split('&').Select(s => s.Split('=')).ToDictionary(s => s.First(), s => s.Last());

  52:         if(!splitted.ContainsKey("oauth_verifier"))

  53:         {

  54:             return;

  55:         }

  56:         Verifier = splitted["oauth_verifier"];

  57:         //获取最终的Token

  58:         AccessCredentials();

  59:  

  60:         //显示结果

  61:         this.textBlock.Text =

  62:             String.Format("Token = {0}\nExpires = {1}",

  63:                            Token, Expires);

  64:         //进行退出处理

  65:         this.webBrowser1.Visibility = Visibility.Hidden;

  66:     }

  67: }

  68:  

  69: //获取访问所需的Token Expires

  70: private void AccessCredentials()

  71: {

  72:     OAuthRequest Client = OAuthRequest.ForAccessToken(ConsumerKey,

  73:                                                       ConsumerSecret,

  74:                                                       RequestToken,

  75:                                                       RequestTokenSecret,

  76:                                                       Verifier);

  77:     Client.RequestUrl = RequestURI;

  78:  

  79:     String auth = Client.GetAuthorizationQuery();

  80:     String url = Client.RequestUrl + "?" + auth;

  81:     HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);

  82:  

  83:     HttpWebResponse response = (HttpWebResponse)request.GetResponse();

  84:     StreamReader reader = new StreamReader(response.GetResponseStream());

  85:     String result = reader.ReadToEnd();

  86:     reader.Close();

  87:     response.Close();

  88:  

  89:     var splitted = result.Split('&').Select(s => s.Split('=')).ToDictionary(s => s.First(), s => s.Last());

  90:     String deToken = splitted["oauth_token"];

  91:     String expiresStr = splitted["edam_expires"];

  92:  

  93:     Token = HttpUtility.UrlDecode(deToken);

  94:     Expires = Convert.ToInt64(expiresStr);

  95: }