Using access token - calling the youTube data API C# - c#

It's unclear to me how I can do an API request to retrieve data for the YouTube API.
I used this code (http://zavitax.wordpress.com/2012/12/17/logging-in-with-google-service-account-in-c-jwt/) to get an access token. The next step is: https://developers.google.com/youtube/v3/guides/authentication?hl=en#OAuth2_Calling_a_Google_API. I don't know how to use www.googleapis.com/youtube/v3/video?access_token=ACCESS_TOKEN in my application to retrieve data. How can I use my access token to request data from the API?

The recommendation is to use the Google APIs Client Library for .NET. As the webpage for the client library states, it's still undergoing active development and isn't as far along as the client libraries for some of the other languages. It still should be usable, though.
There are specific generated classes to use with the YouTube Analytics API and the YouTube Data API v3. You'll need to download those
Our C# sample code is unfortunately scarce, but there is one example of doing a video search. Hopefully that is enough to get you started.
To do anything with the Analytics API, and any write operations with the Data API, you'll need to be authenticated with OAuth 2. There's an explanation of how to do that in the client library docs.
The client library is maintained by a team within Google, but it's not the YouTube API team, so the best way to follow up with the maintainers with any issues you find is to use the public issue tracker.

Related

Firebase Cloud Messaging with Google client library

I'm currently trying to migrate an existing server-side application which uses Firebase Cloud Messaging. To my understanding, this NuGet package is suitable for that; I have successfully referenced it in the existing C# project.
However, the documentation available here is indeed a very documented, but does not give a step-by-step example on how to initiate a call. How can I formulate a call to the API? I have done so in the past successuflly with a customized HTTP request, but don't understand how to do this with the API.
Has anyone successully used this API before and could give some insights? Although I use C#, any experience already made with a different language will be appreciated.

Accessing OneNote API using Graph? token (Azure v2.0 auth)

I am trying to remove dependence on adal.js and adal-angular.js from my project as the CMS I am using already provides support Azure authentication.
I did a bit of work to update the login provider to v2.0:
https://login.microsoftonline.com/common/oauth2/v2.0/authorize
https://login.microsoftonline.com/common/oauth2/v2.0/token
This allowed me to leverage Graph API. While I can access OneNote notebooks:
https://graph.microsoft.com/beta/me/onenote/notebooks
I find myself lacking the ability to distinguish between personal, class and staff notebooks.
https://www.onenote.com/api/v1.0/me/notes/classnotebooks
https://www.onenote.com/api/v1.0/me/notes/staffnotebooks
I am also lacking the ability to see/manage members (teachers, students, leaders, members respectively).
Prior to the update, I used an angular code example to test OneNote API and integration. But the main issue was that I had to use adal to obtain an access token. In other words, the user was forced to log in a second time despite already being signed in in order to use OneNote component. And I was hoping to do away with this extra step.
As per title, I am looking for a way to use the access/refresh token(s) obtained from Azure v2.0 auth process to silently exchange/obtain OneNote access token.
Is it even possible? And if not is there a more user-friendly workaround?
Reference:
Link to Graph OneNote endpoin
Link to OneNote ClassNotebooks endpoint
Link to OneNote StaffNotebooks endpoint
I am looking at this and think to myself why was the OneNote API not working for me before I switched to Azure v2.0? I have the right scopes too Notes.Read and Notes.Create.
ps: If I had all the necessary endpoints in Graph OneNote API I would not bother with OneNote API.
pss: In case this is of importance the front end is implemented using AngularJS which in turn leverages Graph API using Web API framework.
psss: To get a better idea of what I am talking about here a link to Graph Explorer
Sorry but the OneNote ClassNotebooks and StaffNotebooks endpoints are not yet supported in Microsoft Graph. But it is in the plans, so we will let you know when it is ready
Also, currently it is not possible to use the Azure v2.0 token for OneNote API endpoints.

how to make a successful connection to OneNote api using c#

I read the OneNote Api Documentation https://dev.onenote.com/docs
But I don´t understand how to make a request to the OneNote API with c# web application in order to get all the pages in my OneNote.
I already got the Application Id, Application Secret Id and Redirect URL, but i don´t know where do I have to use them, because I have never done and http request and the documentation only provide the following: https://www.onenote.com/api/v1.0/me/notes/pages, so I don´t know how to send the id´s, redirect url and Authorization: Bearer.
Could you provide me the specific code to get a successful connection to OneNote API using Application Id, Application Secret Id and Redirect URL.
And the code structure to make a http request in order to get all the pages, notebooks, etc
I would appreciate if you could help me with this.
I would recommend using Microsoft Graph instead of the standalone OneNote API. Microsoft Graph includes support for OneNote. There is also an SDK for .NET available. There are also code samples for ASP.NET, UWP and Xamarin.
Before you can use the Graph API (or most any REST API for that matter), you will need to obtain an authorization token (i.e. the bearer token you referred to in your question). There are libraries available for simplifying this process. Behind the scenes, these libraries are executing an OAUTH 2.0 flow. You can read about what is going on under the covers here.
I believe the link they have on the OneNote Dev page is broken. The team has put together a public repository that contains a bunch of sample code in a myriad of languages including C#.
This is the main repo
Web API (ASP.NET Core) Repo
I believe the easiest way to understand these concepts is to look at sample code that does authentication. I recommend this sample:
https://github.com/OneNoteDev/MsGraph_OneNoteApiSampleAspNetCore
Btw - the demo is here: https://onenoteapisamplegraph.azurewebsites.net
Thank you everyone I have Checked all the links that you provided me and they were very useful, I did a connection to Microsoft Graph with the authorization token and I got access to my OneNote pages.
Thank you for your help.

Correct approach to authenticated youtube data api (v3) requests from mobile devices (initially Android)

Scope: I am developing a mobile application using Xamarin (C#) to target both Android and iPhone (initially Android). The application logic is separated out in to a PCL (C#) where possible to ensure maximum code reuse. The application integrates with the YouTube Data API v3 for the purpose of rating retrieved videos and allowing subscription to a channel.
Background: As per the documentation (http://developer.android.com/google/play-services/auth.html) I have used the suggested approach to generate an OAuth2 token for the authorised requests from Android, using the AccountManager.getToken method and this works fine and returns a token.
The next step is to make requests using this token (let's take rating a video as an example). My initial idea was to utilise the .NET client library for the YouTube Data Api (https://developers.google.com/api-client-library/dotnet/get_started). However, it seems that this would take us through the whole authorisation process once again and would likely require a web view redirect or similar. I had hoped that there may be a way to use a token which had already been retrieved to create the credential object or create the service from directly, but it doesn't appear to be the case.
The second problem I have found with the client library is that not all of the classes appear to be referenced when adding the NuGet package, namely the GoogleWebAuthorizationBroker. Additionally, as we are in a PCL we are limited with common objects such as FileStream which is utilised in the documented examples (https://developers.google.com/api-client-library/dotnet/guide/aaa_oauth). I did try to use this library from a non-PCL project also to confirm that it wasn't just the limited references in the PCL which were responsible (for the GoogleWebAuthorizationBroker reference issue).
The other option therefore was to look at manual construction of the URL and then posting the data to make the HTTP request ourselves. This too has met with limited success similar to the question listed here: Like video with access token on YouTube using YouTube Data API v3?, which doesn't appear to be answered (suggestion to use the client api). Is this method supported, and if so are there some documented .NET examples? This method would allow me so get the token natively (on android, iphone) and then pass it to a PCL library where I could make the requests, which would be preferable.
Question: So my question is given the scope of what I am trying to achieve here what would be the approved/suggested approach. Clearly the more I can do within the PCL the better from a code reuse point of view, but right now I'd be fairly satisfied with an approach that will actually just work for Android. If anyone has any examples of successfully making authenticated requests to the YouTube Data Api (v3) from Android that would also be useful. I feel like I've trawled through a lot of the documentation to this point over a number of days but not found anything definitive to say "this is how you should do it".
Thanks in advance for any help.
Well, I wouldn't necessarily deem this the answer to my question, however, it is the approach I have taken, so thought I would report back. I have kept the OAuth2 token generation code inside the Xamarin Android project and then pass that on to a PCL which has a repository to deal with the YouTube integration. As there are only a few calls I need to make (ratings, subscriptions and comments) I have elected to manually construct the POSTs via HttpClient and proceed that way.
Perhaps not as elegant as the client library integration but gets the job done. For reference this is made a lot easier if you use the Google OAuth Playground (https://developers.google.com/oauthplayground/) first to get the token and confirm the correct JSON for your request.
If anyone has any problems with this approach then let me know and I can post specific service calls as an example.
From what I can gather, this isn't what google-api-dotnet-client is for.
If you look at the source code (https://github.com/google/google-api-dotnet-client), you can see that GoogleWebAuthorizationBroker is defined for Windows Store, WP 8 etc.
This suggests that the library is intended for .NET clients running on Microsoft operating systems, rather than Android, iOS etc.
These might be the droids you are looking for:
https://github.com/xamarin/GooglePlayServicesComponents (Android)
https://github.com/xamarin/GoogleApisForiOSComponents
They are Xamarin wrappers around the Google SDK for each platform.
This makes sense because of the way Google APIs are called on Android. Rather than rely on a client secret which one should not embed in the application, the you register the app's signature against the "installed app" client ID. The operating system then provides this key when calling google services. You won't get that functionality in a PCL :)

Building a C# / ASP.NET API using oAuth for API Authentication

Does anyone have any examples or advice for how to go about using oAuth to provide the authentication mechanism for an API that should be publicly exposed?
Specifically I'm talking about being an oAuth provider for my own API, not integrating or authenticating with anyone else's API.
For example, I wish to be able to issue API keys to developers that they can use to authenticate and access my API, much in the same way Flickr does, and as far as I believe oAuth can support this, but I'm not sure how the solution would be structured?
It appears that DotNetOpenAuth has an example by the way of the OAuthSeviceProvider project in the Samples folder included in the distribution. It's written in WinForms and isn't cleanly written but definitely serves as a good starting point.

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