Erlang Google OAuth 2.0 API client to generate API token for Google S2S requests

Version 2.1.0

Migrated to rebar3

Updated dependencies and build

Added suppport from inline configuration from 2600hz/erlang-google-oauth

How to compile:

google_oauth uses reba3 as make system. To compile

$ rebar3 compile

To generate release

$ rebar3 release

How to use with rebar:

You can use google_oauth as a dependency in your rebar.config:

{deps , [
    {google_oauth, ".*", {git, "https://github.com/pankajsoni19/google_oauth.git", {tag, "3.0.0"}}}
]}.

How to run the application fcm-erlang:

rebar3 release will create a release under _build/default/rel/google_oauth directory.

$ cd _build/default/rel/google_oauth
$ bin/google_oauth console

Request Token

{ok, Result} = google_oauth:get_access_token({file, "service_account_file_path.json"}, SCOPE)

Result = 
#{
        access_token    => binary()
        expires_in      => integer() :: seconds, :: < 3600
        token_type      => binary() :: <<"Bearer">>
}

for push notification

google_oauth:get_access_token("service_account_file_path.json", <<"https://www.googleapis.com/auth/firebase.messaging">>)