Updating cell in public spreadsheet without need for auth? - c#

I have set a spreadsheet to public which I assume would mean a user shouldn't need authorization to access and make changes to it, I should only need to provide my client id and secret? (I'm the only person who will be using this app and the spreadsheet is on my own Google account which is also the owner of the app)
I went through the documentation here: https://developers.google.com/google-apps/spreadsheets/?hl=en
My code works perfectly - it basically just updates a single cell in a spreadsheet with a function and then returns the value of that cell.
The issue is, I don't want to have to keep authorizing through the webpage. Is it possible to skip the need to authorize? Or at least authorize through code automatically instead of manually doing it through a webpage?
using Google.GData.Client;
using Google.GData.Spreadsheets;
namespace Spreadsheet{
class Program{
static void Main(){
OAuth2Parameters parameters = new OAuth2Parameters();
parameters.ClientId = "client-id-here";
parameters.ClientSecret = "client-secret-here";
parameters.RedirectUri = "urn:ietf:wg:oauth:2.0:oob"; //I'm not even sure what this is, I assume it's only necessary for web based applications
parameters.Scope = "https://spreadsheets.google.com/feeds https://docs.google.com/feeds";
//This is where the user is required to navigate to a page and retrieve access code
string authorizationUrl = OAuthUtil.CreateOAuth2AuthorizationUrl(parameters);
parameters.AccessCode = Console.ReadLine();
OAuthUtil.GetAccessToken(parameters);
string accessToken = parameters.AccessToken;
GOAuth2RequestFactory requestFactory =
new GOAuth2RequestFactory(null, "Spreadsheet", parameters);
SpreadsheetsService service = new SpreadsheetsService("Spreadsheet");
service.RequestFactory = requestFactory;
//spreadsheet related code here..
}
}
}

Where is this script running? The code sample you are using tries to get a token every time you run it. You have two options
If this code runs on a server and it can store the refresh token securely then, manually get a refresh token and change the script to just get a new access token (using that refresh token) to do the update.
Change to using a service account. Service accounts are built to handle these kind of use cases. You get a service account and in the spreadsheet give access to service account (share with it) and using service account you make a request to get an access token that you can use.

Related

Firebase-Admin save user's Custom userPropery

I'm trying to make a server side api call that will get a firebase token and make a
setUserProperty
I managed to connect to firebaseAdmin and get the user , but I can't find how to update the user's custom field ,
I can only see user fields like email password etc...
This is what i got so far
FirebaseApp.Create(new AppOptions()
{
Credential = GoogleCredential.FromFile("firebase-adminsdk.json"),
});
// Then FirebaseAuth.DefaultInstance will give you the initialized SDK Auth instance.
// E.g.:
var fbUser= await FirebaseAuth.DefaultInstance.GetUserByPhoneNumberAsync("+91112324564");
UserRecordArgs args = new UserRecordArgs();
Any ideas if it's at all possible ? (I don't want to do it from the app)

Publishing tweets from C# Windows service using Tweetinvi or similar

I am looking into publishing some service status updates on Twitter using Tweetinvi, which seems like a good library for doing that sort of thing, but I am just starting out looking into this so using it is not set in stone.
However, one thing my research has not yielded yet, is an obvious way to handle Twitter authentication in what is essentially a headless service. I have created an app with Twitter, so I have my consumer key and secret, and I can do the "app only" auth to request user info, get their followers etc., but of course I have no right to publish tweets.
So my ambition is (once this is out of beta) to create a proper twitter account, somehow have the service authenticate towards that account, and then publish status updates from the general service at defined intervals. It is a fairly simple idea.
Of course, I can do something like the PIN based authentication mentioned here:
https://github.com/linvi/tweetinvi/wiki/Authentication
I can run that manually, get the PIN code, and proceed with the workflow. But will this require reauthentication at regular intervals, or will it basically be valid "forever"? I am looking for a way to make this as automatic as possible, and having to redo the auth every x hours is a huge dent in this dream, if not a showstopper.
Of course I will have the password for the twitter account used to publish statuses, but I don't see a way to do a good old fashioned login without manual user intervention - what options do I have?
This behavior is by design. Twitter uses OAuth, which is a protocol with the purpose of allowing a user to authorize an application. This is good for the user because otherwise, you or anyone else can perform actions on their behalf without them knowing.
With that in mind, the only way to do this is to have the user explicitly authorize your app. Here's an example of how to do this with LINQ to Twitter, which I wrote, using ASP.NET MVC. When the user visit's your page, you can have a button that re-directs them to the OAuthController below to the BeginAsync action.
using System;
using System.Configuration;
using System.Linq;
using System.Threading.Tasks;
using System.Web.Mvc;
using LinqToTwitter;
namespace MvcDemo.Controllers
{
public class OAuthController : AsyncController
{
public ActionResult Index()
{
return View();
}
public async Task<ActionResult> BeginAsync()
{
//var auth = new MvcSignInAuthorizer
var auth = new MvcAuthorizer
{
CredentialStore = new SessionStateCredentialStore
{
ConsumerKey = ConfigurationManager.AppSettings["consumerKey"],
ConsumerSecret = ConfigurationManager.AppSettings["consumerSecret"]
}
};
string twitterCallbackUrl = Request.Url.ToString().Replace("Begin", "Complete");
return await auth.BeginAuthorizationAsync(new Uri(twitterCallbackUrl));
}
public async Task<ActionResult> CompleteAsync()
{
var auth = new MvcAuthorizer
{
CredentialStore = new SessionStateCredentialStore()
};
await auth.CompleteAuthorizeAsync(Request.Url);
// This is how you access credentials after authorization.
// The oauthToken and oauthTokenSecret do not expire.
// You can use the userID to associate the credentials with the user.
// You can save credentials any way you want - database,
// isolated storage, etc. - it's up to you.
// You can retrieve and load all 4 credentials on subsequent
// queries to avoid the need to re-authorize.
// When you've loaded all 4 credentials, LINQ to Twitter will let
// you make queries without re-authorizing.
//
//var credentials = auth.CredentialStore;
//string oauthToken = credentials.OAuthToken;
//string oauthTokenSecret = credentials.OAuthTokenSecret;
//string screenName = credentials.ScreenName;
//ulong userID = credentials.UserID;
//
return RedirectToAction("Index", "Home");
}
}
}
After the user authorizes your application, Twitter redirects them back to the CompleteAsync method. Notice the comments on how to extract values from the auth.CredentialStore. Save those in your DB and then retrieve them in your service to make calls on the user's behalf.
Those credentials don't change, but the user can possibly de-authorize your application at some time in the future - at which time you'll need to get them to authorize again. You can get the entire sample code at the LINQ to Twitter ASP.NET Samples page.

Google Data API Authorization Redirect URI Mismatch

Background
I am wanting to write a small, personal web app in .NET Core 1.1 to interact with YouTube and make some things easier for me to do and I am following the tutorials/samples in Google's YouTube documentation. Sounds simple enough, right? ;)
Authenticating with Google's APIs seems impossible! I have done the following:
Created an account in the Google Developer Console
Created a new project in the Google Developer Console
Created a Web Application OAuth Client ID and added my Web App debug URI to the list of approved redirect URIs
Saved the json file provided after generating the OAuth Client ID to my system
In my application, my debug server url is set (and when my application launches in debug, it's using the url I set which is http://127.0.0.1:60077).
However, when I attempt to authenticate with Google's APIs, I recieve the following error:
That’s an error.
Error: redirect_uri_mismatch
The redirect URI in the request, http://127.0.0.1:63354/authorize/,
does not match the ones authorized for the OAuth client.
Problem
So now, for the problem. The only thing I can find when searching for a solution for this is people that say
just put the redirect URI in your approved redirect URIs
Unfortunately, the issue is that every single time my code attempts to authenticate with Google's APIs, the redirect URI it is using changes (the port changes even though I set a static port in the project's properties). I cannot seem to find a way to get it to use a static port. Any help or information would be awesome!
NOTE: Please don't say things like "why don't you just do it this other way that doesn't answer your question at all".
The code
client_id.json
{
"web": {
"client_id": "[MY_CLIENT_ID]",
"project_id": "[MY_PROJECT_ID]",
"auth_uri": "https://accounts.google.com/o/oauth2/auth",
"token_uri": "https://accounts.google.com/o/oauth2/token",
"auth_provider_x509_cert_url": "https://www.googleapis.com/oauth2/v1/certs",
"client_secret": "[MY_CLIENT_SECRET]",
"redirect_uris": [
"http://127.0.0.1:60077/authorize/"
]
}
}
Method That Is Attempting to Use API
public async Task<IActionResult> Test()
{
string ClientIdPath = #"C:\Path\To\My\client_id.json";
UserCredential credential;
using (var stream = new FileStream(ClientIdPath, FileMode.Open, FileAccess.Read))
{
credential = await GoogleWebAuthorizationBroker.AuthorizeAsync(
GoogleClientSecrets.Load(stream).Secrets,
new[] { YouTubeService.Scope.YoutubeReadonly },
"user",
CancellationToken.None,
new FileDataStore(this.GetType().ToString())
);
}
var youtubeService = new YouTubeService(new BaseClientService.Initializer()
{
HttpClientInitializer = credential,
ApplicationName = this.GetType().ToString()
});
var channelsListRequest = youtubeService.Channels.List("contentDetails");
channelsListRequest.Mine = true;
// Retrieve the contentDetails part of the channel resource for the authenticated user's channel.
var channelsListResponse = await channelsListRequest.ExecuteAsync();
return Ok(channelsListResponse);
}
Project Properties
The Original Answer works, but it is NOT the best way to do this for an ASP.NET Web Application. See the update below for a better way to handle the flow for an ASP.NET Web Application.
Original Answer
So, I figured this out. The issue is that Google thinks of a web app as a JavaScript based web application and NOT a web app with server side processing. Thus, you CANNOT create a Web Application OAuth Client ID in the Google Developer Console for a server based web application.
The solution is to select the type Other when creating an OAuth Client ID in the Google Developer Console. This will have Google treat it as an installed application and NOT a JavaScript application, thus not requiring a redirect URI to handle the callback.
It's somewhat confusing as Google's documentation for .NET tells you to create a Web App OAuth Client ID.
Feb 16, 2018 Updated Better Answer:
I wanted to provide an update to this answer. Though, what I said above works, this is NOT the best way to implement the OAuth workflow for a ASP.NET solution. There is a better way which actually uses a proper OAuth 2.0 flow. Google's documentation is terrible in regards to this (especially for .NET), so I'll provide a simple implementation example here. The sample is using ASP.NET core, but it's easily adapted to the full .NET framework :)
Note: Google does have a Google.Apis.Auth.MVC package to help simplifiy this OAuth 2.0 flow, but unfortunately it's coupled to a specific MVC implementation and does not work for ASP.NET Core or Web API. So, I wouldn't use it. The example I'll be giving will work for ALL ASP.NET applications. This same code flow can be used for any of the Google APIs you've enabled as it's dependent on the scopes you are requesting.
Also, I am assuming you have your application set up in your Google Developer dashboard. That is to say that you have created an application, enabled the necessary YouTube APIs, created a Web Application Client, and set your allowed redirect urls properly.
The flow will work like this:
The user clicks a button (e.g. Add YouTube)
The View calls a method on the Controller to obtain an Authorization URL
On the controller method, we ask Google to give us an Authorization URL based on our client credentials (the ones created in the Google Developer Dashboard) and provide Google with a Redirect URL for our application (this Redirect URL must be in your list of accepted Redirect URLs for your Google Application)
Google gives us back an Authorization URL
We redirect the user to that Authorization URL
User grants our application access
Google gives our application back a special access code using the Redirect URL we provided Google on the request
We use that access code to get the Oauth tokens for the user
We save the Oauth tokens for the user
You need the following NuGet Packages
Google.Apis
Google.Apis.Auth
Google.Apis.Core
Google.apis.YouTube.v3
The Model
public class ExampleModel
{
public bool UserHasYoutubeToken { get; set; }
}
The Controller
public class ExampleController : Controller
{
// I'm assuming you have some sort of service that can read users from and update users to your database
private IUserService userService;
public ExampleController(IUserService userService)
{
this.userService = userService;
}
public async Task<IActionResult> Index()
{
var userId = // Get your user's ID however you get it
// I'm assuming you have some way of knowing if a user has an access token for YouTube or not
var userHasToken = this.userService.UserHasYoutubeToken(userId);
var model = new ExampleModel { UserHasYoutubeToken = userHasToken }
return View(model);
}
// This is a method we'll use to obtain the authorization code flow
private AuthorizationCodeFlow GetGoogleAuthorizationCodeFlow(params string[] scopes)
{
var clientIdPath = #"C:\Path\To\My\client_id.json";
using (var fileStream = new FileStream(clientIdPath, FileMode.Open, FileAccess.Read))
{
var clientSecrets = GoogleClientSecrets.Load(stream).Secrets;
var initializer = new GoogleAuthorizationCodeFlow.Initializer { ClientSecrets = clientSecrets, Scopes = scopes };
var googleAuthorizationCodeFlow = new GoogleAuthorizationCodeFlow(initializer);
return googleAuthorizationCodeFlow;
}
}
// This is a route that your View will call (we'll call it using JQuery)
[HttpPost]
public async Task<string> GetAuthorizationUrl()
{
// First, we need to build a redirect url that Google will use to redirect back to the application after the user grants access
var protocol = Request.IsHttps ? "https" : "http";
var redirectUrl = $"{protocol}://{Request.Host}/{Url.Action(nameof(this.GetYoutubeAuthenticationToken)).TrimStart('/')}";
// Next, let's define the scopes we'll be accessing. We are requesting YouTubeForceSsl so we can manage a user's YouTube account.
var scopes = new[] { YouTubeService.Scope.YoutubeForceSsl };
// Now, let's grab the AuthorizationCodeFlow that will generate a unique authorization URL to redirect our user to
var googleAuthorizationCodeFlow = this.GetGoogleAuthorizationCodeFlow(scopes);
var codeRequestUrl = googleAuthorizationCodeFlow.CreateAuthorizationCodeRequest(redirectUrl);
codeRequestUrl.ResponseType = "code";
// Build the url
var authorizationUrl = codeRequestUrl.Build();
// Give it back to our caller for the redirect
return authorizationUrl;
}
public async Task<IActionResult> GetYoutubeAuthenticationToken([FromQuery] string code)
{
if(string.IsNullOrEmpty(code))
{
/*
This means the user canceled and did not grant us access. In this case, there will be a query parameter
on the request URL called 'error' that will have the error message. You can handle this case however.
Here, we'll just not do anything, but you should write code to handle this case however your application
needs to.
*/
}
// The userId is the ID of the user as it relates to YOUR application (NOT their Youtube Id).
// This is the User ID that you assigned them whenever they signed up or however you uniquely identify people using your application
var userId = // Get your user's ID however you do (whether it's on a claim or you have it stored in session or somewhere else)
// We need to build the same redirect url again. Google uses this for validaiton I think...? Not sure what it's used for
// at this stage, I just know we need it :)
var protocol = Request.IsHttps ? "https" : "http";
var redirectUrl = $"{protocol}://{Request.Host}/{Url.Action(nameof(this.GetYoutubeAuthenticationToken)).TrimStart('/')}";
// Now, let's ask Youtube for our OAuth token that will let us do awesome things for the user
var scopes = new[] { YouTubeService.Scope.YoutubeForceSsl };
var googleAuthorizationCodeFlow = this.GetYoutubeAuthorizationCodeFlow(scopes);
var token = await googleAuthorizationCodeFlow.ExchangeCodeForTokenAsync(userId, code, redirectUrl, CancellationToken.None);
// Now, you need to store this token in rlation to your user. So, however you save your user data, just make sure you
// save the token for your user. This is the token you'll use to build up the UserCredentials needed to act on behalf
// of the user.
var tokenJson = JsonConvert.SerializeObject(token);
await this.userService.SaveUserToken(userId, tokenJson);
// Now that we've got access to the user's YouTube account, let's get back
// to our application :)
return RedirectToAction(nameof(this.Index));
}
}
The View
#using YourApplication.Controllers
#model YourApplication.Models.ExampleModel
<div>
#if(Model.UserHasYoutubeToken)
{
<p>YAY! We have access to your YouTube account!</p>
}
else
{
<button id="addYoutube">Add YouTube</button>
}
</div>
<script>
$(document).ready(function () {
var addYoutubeUrl = '#Url.Action(nameof(ExampleController.GetAuthorizationUrl))';
// When the user clicks the 'Add YouTube' button, we'll call the server
// to get the Authorization URL Google built for us, then redirect the
// user to it.
$('#addYoutube').click(function () {
$.post(addYoutubeUrl, function (result) {
if (result) {
window.location.href = result;
}
});
});
});
</script>
As referred here, you need to specify a fix port for the ASP.NET development server like How to fix a port number in asp.NET development server and add this url with the fix port to the allowed urls. Also as stated in this thread, when your browser redirects the user to Google's oAuth page, you should be passing as a parameter the redirect URI you want Google's server to return to with the token response.
I noticed that there is easy non-programmatic way around.
If you have typical monotlith application built in typical MS convention(so not compatible with 12factor and typical DDD) there is an option to tell your Proxy WWW server to rewrite all requests from HTTP to HTTPS so even if you have set up Web App on http://localhost:5000 and then added in Google API url like: http://your.domain.net/sigin-google, it will work perfectly and it is not that bas because it is much safer to set up main WWW to rewrite all to HTTPS.
It is not very good practice I guess however it makes sense and does the job.
I've struggled with this issue for hours in a .net Core application. What finally fixed it for me was, in the Google developers console, to create and use a credential for "Desktop app" instead of a "Web application".
Yeah!! Using credentials of desktop app instead of web app worked for me fine. It took me more than 2 days to figure out this problem. The main problem is that google auth library dose not adding or supporting http://localhost:8000 as redirect uri for web app creds but credentials of desktop app fixed that issue. Cause its supporting http://___ connection instead of https: connection for redirect uri

Differences between AcquireTokenAsync and LoginAsync in Xamarin Native

TL;DR
What is the difference between authenticating users with AuthenticationContext.AcquireTokenAsync() and MobileServiceClient.LoginAsync() ?
Can I use the token from the first method to authenticate a user in the second?
Long Version
I've been trying to authenticate users via a mobile device (iOS) for a mobile service in Azure with Xamarin Native (not Forms).
There are enough tutorials online to get you started but in the process, I got lost and confused...
What's working at the moment is the following; which has the user enter his credentials in another page and returns a JWT token which (if decoded here1) has the claims listed here2.
Moreover, this token is authorized in controllers with the [Authorize] attribute in requests with an Authorization header and a Bearer token.
Note: the following constants are taken from the registered applications in Active Directory (Native and Web App / API).
public const string Authority = #"https://login.windows.net/******.com";
public const string GraphResource = #"https://*******.azurewebsites.net/********";
public const string ClientId = "046b****-****-****-****-********0290";
public const string Resource = #"https://******.azurewebsites.net/.auth/login/done";
var authContext = new AuthenticationContext(Authority);
if (authContext.TokenCache.ReadItems().Any(c => c.Authority == Authority))
{
authContext = new AuthenticationContext(authContext.TokenCache.ReadItems().First().Authority);
}
var uri = new Uri(Resource);
var platformParams = new PlatformParameters(UIApplication.SharedApplication.KeyWindow.RootViewController);
AuthenticationResult authResult = await authContext.AcquireTokenAsync(GraphResource, ClientId, uri, platformParams);
Another working authentication flow I tried is the following; which does the same with the difference that it informs the user that the app requires permissions to access some resources.
If allowed, a JWT token (with less characters than the previous one) is returned with less payload data. This token though, won't pass the authorization attribute just like the previous one.
public const string AadResource = #"https://******.azurewebsites.net/.auth/aad";
var client = new MobileServiceClient(AadResource);
var rootView = UIApplication.SharedApplication.KeyWindow.RootViewController;
MobileServiceUser user = await client.LoginAsync(rootView, "aad");
Obviously, the return type is different, but, what is the main difference between these two authentication methods?
Additionally, another headache comes from trying to achieve this3 at the very end of the article. I already have the token from the first aforementioned method but when I try to follow the client flow with the token in client.LoginAsync() the following error is returned:
The resource you are looking for has been removed, had its name changed, or is temporarily unavailable.
Link References:
https://jwt.io/
https://learn.microsoft.com/en-us/azure/active-directory/develop/active-directory-token-and-claims
https://adrianhall.github.io/develop-mobile-apps-with-csharp-and-azure/chapter2/enterprise/
https://www.reddit.com/r/xamarindevelopers/comments/6dw928/differences_between_acquiretokenasync/
Edit (30 May 2017)
The Why are they different? has been answered on this4 reddit post by the same person (pdx mobilist / saltydogdev) and the simple answer is claims.
Yes. You can insert a token into the MobileServicesClient and then use it had been authenticated directly. That's the beauty of bearer tokens.
Just set the MobileServiceClient CurrentUser:
MobileServiceclient Client;
...
Client.CurrentUser = new MobileServiceUser(username)
{ MobileServiceAuthenticationToken = authtoken};
Edit:
The reason they are different is because each library is requesting a different set of claims. The reason they still work is that the basic information for authenticating/validating the token is there. I'm not sure what are the specific required claims. At a minimum it would be the user id AND that the signature is valid. They are doing the same basic thing, MobileServiceClient just requests less claims.
I believe that the MobileServicesClient can authenticate against Azure AD, if you set up the mobile service correctly. So you should be able to just use the MobileServiceClient.
Here is the document that describes how this works: https://learn.microsoft.com/en-us/azure/app-service-mobile/app-service-mobile-how-to-configure-active-directory-authentication

OneDrive API with C#, get authentication code programmatic

I have to write an application, no matter what language (c#, Java, shell, python ...) that can connect to OneDrive and then uploads file.
Following the OneDrive API I found that i need in one step to go to the browser (manually and to post a url that combines client_id and client_security to get an authentication code so i can connect my client with it to get the access token. (oAuth2 protocol)
I need to get the access_token pragmatically, i don't need any manual step to be involved.
I tried in c# to use the WebBrowser component to navigate to the url and to get the access token, I found that the browser stays in the same url and not getting the final url that includes the auth_code!
My code looks like:
// Initialize a new Client (without an Access/Refresh tokens
var client = new Client(options);
// Get the OAuth Request Url
var authRequestUrl = client.GetAuthorizationRequestUrl(new[] { Scope.Basic, Scope.Signin, Scope.SkyDrive, Scope.SkyDriveUpdate });
// TODO: Navigate to authRequestUrl using the browser, and retrieve the Authorization Code from the response
WebBrowser wb = new WebBrowser();
wb.AllowNavigation = true;
wb.ScrollBarsEnabled = false;
wb.ScriptErrorsSuppressed = true;
wb.Navigate(authRequestUrl);
Console.WriteLine(wb.Version);
while (wb.ReadyState != WebBrowserReadyState.Complete)
{
Application.DoEvents();
}
wb.Document.InvokeScript("evt_Login_onload(event)");
Uri myUrl = wb.Url;
Anyone can help with fixing this, or maybe suggest other ideas please?
Thanks in Advance!
It looks like you're creating a Windows desktop app using C#. There's actually an example at https://msdn.microsoft.com/en-us/library/hh826529.aspx for using the WebBrowser class to get the authorization code, then the token, then make an API. In short, you'll first need to send a request to the following URL with your client_id and scopes.
https://login.live.com/oauth20_authorize.srf?client_id=YOUR_CLIENT_ID&scope=YOUR_SCOPE_STRING&response_type=code&redirect_uri=https://login.live.com/oauth20_desktop.srf
In the response, you'll get the authorization code which you'll need to use to send another request to with your client_id, client_secret, authorization code like the following.
https://login.live.com/oauth20_token.srf?client_id=YOUR_CLIENT_ID&client_secret=YOUR_CLIENT_SECRET&redirect_uri=https://login.live.com/oauth20_desktop.srf&code=AUTHORIZATION_CODE&grant_type=authorization_code
When you finally receive the access token, you can make requests to the API using your access token similar to the following.
"https://apis.live.net/v5.0/me?access_token=ACCESS_TOKEN". The "me" can be changed to any other folder or directory.
I hope that helps.
dont u think the scope u provided are wrong, they should be wl.basic, wl.signin, and if ur using new onedrive api then it should be onedrive.readonly or onedrive.readwrite
if ur using liveconnect api for the purpose of using onedrive then scope should be wl.skydrive or wl.contacts_skydrive or wl.skydrive_update
depending upon ur uses (refer https://msdn.microsoft.com/en-us/library/hh243646.aspx)
and can u more elaborate how ur trying to get the access_token, from above it is quite confusing to me
Have you solved you issue?
Have you tried to use the LiveSDK to authenticate?
Have a look at my question there, it might help you :
Onedrive API vs LiveSDK
I have used the following code, after installing both the LiveSDK and the OneDrive SDK, and this does not require any login after the first authorization. However it "may" have to be a RT app (windows store or windows phone store)
var authClient = new LiveAuthClient();
var authResult = await authClient.LoginAsync(new string[] {
"wl.signin", "onedrive.readwrite", "onedrive.appfolder"});
if (authResult.Session == null)
throw new InvalidOperationException("You need to sign in and give consent to the app.");
var Connection = new ODConnection("https://api.onedrive.com/v1.0",
new MicrosoftAccountAuthenticationInfo() { TokenType = "Bearer",
AccessToken = odArgs.Session.AccessToken });
Toan-Nguyen's answer almost helps me. On the step 2 (when I should send a request with authorization code) I get the response with error "Public clients can't send client secret". This answer said it's neccessary to remove the attribute client_secret from url.

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