public async Task <OAuth2AccessToken> ExchangeAuthCodeForAccessTokenAsync(string code)
{
HttpClient httpClient = new HttpClient();
string postUrl = OAuth2Helper.FitbitOauthPostUrl;
var content = new FormUrlEncodedContent(new[]
{
new KeyValuePair <string, string>("grant_type", "authorization_code"),
new KeyValuePair <string, string>("client_id", ClientId),
//new KeyValuePair<string, string>("client_secret", AppSecret),
new KeyValuePair <string, string>("code", code),
new KeyValuePair <string, string>("redirect_uri", this.RedirectUri)
});
string clientIdConcatSecret = OAuth2Helper.Base64Encode(ClientId + ":" + ClientSecret);
httpClient.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Basic", clientIdConcatSecret);
HttpResponseMessage response = await httpClient.PostAsync(postUrl, content);
string responseString = await response.Content.ReadAsStringAsync();
OAuth2AccessToken accessToken = OAuth2Helper.ParseAccessTokenResponse(responseString);
return(accessToken);
}
public async Task <OAuth2AccessToken> RefreshTokenAsync(FitbitClient client)
{
string postUrl = FitbitOauthPostUrl;
var content = new FormUrlEncodedContent(new[]
{
new KeyValuePair <string, string>("grant_type", "refresh_token"),
new KeyValuePair <string, string>("refresh_token", client.AccessToken.RefreshToken),
});
HttpClient httpClient;
if (client.HttpClient == null)
{
httpClient = new HttpClient();
}
else
{
httpClient = client.HttpClient;
}
var clientIdConcatSecret = OAuth2Helper.Base64Encode(client.AppCredentials.ClientId + ":" + client.AppCredentials.ClientSecret);
httpClient.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Basic", clientIdConcatSecret);
HttpResponseMessage response = await httpClient.PostAsync(postUrl, content);
string responseString = await response.Content.ReadAsStringAsync();
return(OAuth2Helper.ParseAccessTokenResponse(responseString));
}
//
// GET: /FitbitAuth/
// Setup - prepare the user redirect to Fitbit.com to prompt them to authorize this app.
public ActionResult Authorize()
{
var appCredentials = new FitbitAppCredentials()
{
ClientId = ConfigurationManager.AppSettings["FitbitClientId"],
ClientSecret = ConfigurationManager.AppSettings["FitbitClientSecret"]
};
//make sure you've set these up in Web.Config under <appSettings>:
Session["AppCredentials"] = appCredentials;
//Provide the App Credentials. You get those by registering your app at dev.fitbit.com
//Configure Fitbit authenticaiton request to perform a callback to this constructor's Callback method
var authenticator = new OAuth2Helper(appCredentials, Request.Url.GetLeftPart(UriPartial.Authority) + "/Fitbit/Callback");
string[] scopes = new string[] { "profile", "activity", "sleep", "weight", "nutrition" };
string authUrl = authenticator.GenerateAuthUrl(scopes, null);
return(Redirect(authUrl));
}
//Final step. Take this authorization information and use it in the app
public async Task <ActionResult> Callback()
{
FitbitAppCredentials appCredentials = (FitbitAppCredentials)Session["AppCredentials"];
var authenticator = new OAuth2Helper(appCredentials, Request.Url.GetLeftPart(UriPartial.Authority) + "/Fitbit/Callback");
string code = Request.Params["code"];
OAuth2AccessToken accessToken = await authenticator.ExchangeAuthCodeForAccessTokenAsync(code);
/*Console.WriteLine("Zilu-debug");
* Console.Write(accessToken);
* Console.WriteLine(accessToken);*/
//Store credentials in FitbitClient. The client in its default implementation manages the Refresh process
FitbitClient fitbitClient = GetFitbitClient(accessToken);
//20171025 Pandita: removed saving tokens
//SyncFitbitCred(accessToken);
//return RedirectToAction("Index", "Home");
return(RedirectToAction("Sync", "UserDatas")); // redirect to UserdatasController.cs/Sync().
}
