private void DoAuth2Configuration(DfaAppConfig config)
{
// Since we use this page for OAuth callback also, we set the callback
// url as the current page. For a non-web application, this will be null.
config.OAuth2RedirectUri = Request.Url.GetLeftPart(UriPartial.Path);
// Create an OAuth2 object for handling OAuth2 flow.
OAuth2ProviderForApplications oAuth = new OAuth2ProviderForApplications(config);
if (Request.Params["state"] == null) {
// This is the first time this page is being loaded.
// Set the state variable to any value that helps you recognize
// when this url will be called by the OAuth2 server.
oAuth.State = "callback";
// Create an authorization url and redirect the user to that page.
Response.Redirect(oAuth.GetAuthorizationUrl());
} else if (Request.Params["state"] == "callback") {
// This page was loaded because OAuth server did a callback.
// Retrieve the authorization code from the url and use it to fetch
// the access token. This call will also fetch the refresh token if
// your mode is offline.
oAuth.FetchAccessAndRefreshTokens(Request.Params["code"]);
// Save the OAuth2 provider for future use. If you wish to save only
// the values and restore the object later, then save
// oAuth.RefreshToken, oAuth.AccessToken, oAuth.UpdatedOn and
// oAuth.ExpiresIn.
//
// You can later restore the values as
// DfaUser user = new AdWordsUser();
// user.Config.OAuth2Mode = OAuth2Flow.APPLICATION;
// OAuth2ProviderForApplications oAuth =
// (user.OAuthProvider as OAuth2ProviderForApplications);
// oAuth.RefreshToken = xxx;
// oAuth.AccessToken = xxx;
// oAuth.UpdatedOn = xxx;
// oAuth.ExpiresIn = xxx;
//
// Note that only oAuth.RefreshToken is mandatory. If you leave
// oAuth.AccessToken as empty, or if oAuth.UpdatedOn + oAuth.ExpiresIn
// is in the past, the access token will be refreshed by the library.
// You can listen to this event as
//
// oAuth.OnOAuthTokensObtained += delegate(AdsOAuthProvider provider) {
// OAuth2ProviderForApplications oAuth =
// (provider as OAuth2ProviderForApplications);
// // Save oAuth.RefreshToken, oAuth.AccessToken, oAuth.UpdatedOn and
// // oAuth.ExpiresIn.
//};
Session["OAuthProvider"] = oAuth;
// Redirect the user to the main page.
Response.Redirect("Default.aspx");
} else {
throw new Exception("Unknown state for OAuth callback.");
}
}
public void TestGetAuthorizationUrl() {
provider = new OAuth2ProviderForApplications(appConfig);
TestUtils.ValidateRequiredParameters(provider, new string[] {"ClientId", "Scope"},
delegate() {
provider.GetAuthorizationUrl();
}
);
Assert.AreEqual(AUTHORIZATION_URL, provider.GetAuthorizationUrl());
}
/// <summary>
/// Initializes a new instance of the <see cref="LoginForm"/> class.
/// </summary>
/// <param name="clientId">The OAuth2 client identifier.</param>
/// <param name="clientSecret">The OAuth2 client secret.</param>
/// <param name="scope">The OAuth2 scope.</param>
public LoginForm(string clientId, string clientSecret, string scope) {
InitializeComponent();
startLocalServer();
appConfig.OAuth2RedirectUri = LOCALHOST_ADDRESS;
appConfig.OAuth2ClientId = clientId;
appConfig.OAuth2ClientSecret = clientSecret;
appConfig.OAuth2Scope = scope;
oAuth2 = new OAuth2ProviderForApplications(appConfig);
// Get the authorization url and open a browser.
string authorizationUrl = oAuth2.GetAuthorizationUrl();
loginBrowser.Navigate(authorizationUrl);
}
