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Android Question [SOLVED] OAuth2 for server to server communication - Google Play Android developer API

Discussion in 'Android Questions' started by hatzisn, Aug 17, 2019.

  1. hatzisn

    hatzisn Active Member Licensed User

    Hi everybody,

    I am trying to understand and implement the Google Play Android Developer API in order to check though a back end if a purchase was completed successfully. I have found these pages in the Internet which describe the way you can implement it:



    If I have got that right in order for the OAuth2 authentication to be implemented to manage the calls for the back end (to get the tokens), a user (Me) has to actively login in his Google account and authenticate with the corresponding web application. This leads me to the conclusion that I cannot implement it through my website's server since I have to actively login to get the tokens and it is a shared server.

    Am I correct or am I missing something here?

    Thanks in advance
  2. hatzisn

    hatzisn Active Member Licensed User

  3. hatzisn

    hatzisn Active Member Licensed User

    Not solved at last. I choosed the REST/Http way because after seeing some examples of the Google dedicated library for .NET I was completely lost. Thus in the way I followed I was stuck in the signing of the JWT (Java Web Token) with the algorythm decribed as SHA256withRSA. No matter how much I googled it I could not find a working .NET example. Has anyone implemented it in .NET.
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