Google Cloud Print is missing in API Library of Google Developers Console.

[Sam]

I'm integrating Google Cloud Print into an ASP.NET MVC web application.

 

I have already implemented Google OAuth 2.0 and obtained Authentication Code and Access Token. However, when I try to use the token to access Google Cloud Print, the server always returns the error message of 403 Forbidden.

 

So I go to Google Developers Console and check my Project's Enabled APIs, I couldn't find Google Cloud Print there. But when I try to add it, Google Cloud Print is not the list of API Library.

 

Any ideas of where to add Google Cloud Print into Enabled APIs? Many thanks!

[Robert Toscano]

Which oauth scope are you including in your oauth2 request?

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[Sam]

email profile openid

[Sam]

I couldn't find the scope name for GCP in OAuth Playground either.

[Sam]

It turns out the failed reason was "XSRF token validation failed (errorCode: 9)". So when I tried to grab the XSRF token from https://www.google.com/cloudprint/xsrf using a POST request, it failed again with "(403) Forbidden". If anyone came across this issue before, please help... Thanks!

[Jeronimo Paoletti]

Any update on this? I have the same problem. Thanks!

[Sam]

Unfortunately no. I was still stuck there.

[Arie Visser]

You have to add this scope https://www.googleapis.com/auth/cloudprint.

After you have acquired your OAuth2 token you can retrieve an xsrf token with this call: 

curl -H "Authorization: Bearer YOUR_ACCESS_TOKEN" www.google.com/cloudprint/xsrf

[Jack Sellwood]

So still confused on how I'm supposed to obtain the necessary key for GCP. XSRF isn't available through the API credentials area of GCC?

[Sam]

I can confirm that the front-end implementation of GCP (i.e. Web Element) is working fine. However I am still stuck at the back-end implementation (i.e. Server side) using ASP.NET MVC.