Unable to fetch the profiles from Google Analytics using Server to server OAuth2 about garb HOT 5 CLOSED

I solved that by using gem below.

https://github.com/carnesmedia/google-oauth2-installed

but I choose "Installed application", so it's may not correct way for your
case.

2015-06-04 23:49 GMT+09:00 Alok Swain [email protected]:

Hi,
I am using the Signet gem to get OAuth2 access token for a service
account. We are using Garb to fetch data from GA and display more logically
for our consumers.

I tried the following
Garb::Session.access_token = access_token
Garb::Management::Profile.all
and I encountered the following error:

NoMethodError: undefined method get' for #<String:0xcd585ac> from /home/alok/.rvm/gems/ruby-1.9.3-p385/gems/garb-0.9.8/lib/garb/request/data.rb:94:inoauth_user_request'
from /home/alok/.rvm/gems/ruby-1.9.3-p385/gems/garb-0.9.8/lib/garb/request/data.rb:41:in send_request' from /home/alok/.rvm/gems/ruby-1.9.3-p385/gems/garb-0.9.8/lib/garb/management/feed.rb:21:inresponse'
from /home/alok/.rvm/gems/ruby-1.9.3-p385/gems/garb-0.9.8/lib/garb/management/feed.rb:13:in parsed_response' from /home/alok/.rvm/gems/ruby-1.9.3-p385/gems/garb-0.9.8/lib/garb/management/feed.rb:17:inentries'
from /home/alok/.rvm/gems/ruby-1.9.3-p385/gems/garb-0.9.8/lib/garb/management/profile.rb:14:in all' from (irb):16 from /home/alok/.rvm/gems/ruby-1.9.3-p385/gems/railties-3.2.19/lib/rails/commands/console.rb:47:instart'
from /home/alok/.rvm/gems/ruby-1.9.3-p385/gems/railties-3.2.19/lib/rails/commands/console.rb:8:in start' from /home/alok/.rvm/gems/ruby-1.9.3-p385/gems/railties-3.2.19/lib/rails/commands.rb:41:in<top (required)>'
from script/rails:6:in require' from script/rails:6:in

'

I think I am using it in a wrong way, I checked the docs and did not find
anything related to fetching data by Authenticating by service accounts. I
have verified from Google API playground the the access token I used is
valid. Can you guide me as to what am I doing wrong ? Is it possible to do
this via Garb (as I am not using Single User Login anymore as we need
server to server interactions and using Service accounts is the only way.

Thanks,
Alok

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from garb.

The problem is not with OAuth. When I use the access token obtained by using Signet, how do I use that access token in Garb to fetch data from GA ? I think the authentication process is already done as I have a valid Auth Token via Signet.

from garb.

I have the same problem as you @alokswain. Did you solve the issue?

from garb.

@alokswain is your access_token an instance of OAuth2::Client?

from garb.

@Sija - Thats what I misunderstood. It works when Garb::Session.access_token is an instance of OAuth2::Client instead of a valid access_token. Thanks for the followup. I am closing the issue as I have resolved the problem and pasting the code I used below so that it might help someone in future:

key = Google::APIClient::KeyUtils.load_from_pkcs12("<p12_key_path>", "<p12key pwd>")
client = Google::APIClient.new(application_name: 'Service account demo', application_version: '0.0.1')

service_account = Google::APIClient::JWTAsserter.new(@ga_service_account, 'https://www.googleapis.com/auth/analytics.readonly', key)

client.authorization = service_account.authorize
oauth_client = OAuth2::Client.new("", "", {
  :authorize_url => 'https://accounts.google.com/o/oauth2/auth',
  :token_url => 'https://accounts.google.com/o/oauth2/token'
})

token = OAuth2::AccessToken.new(oauth_client, client.authorization.access_token, expires_in: 1.hour)
Garb::Session.access_token = token

profile = Garb::Management::Profile.all

Edit: Seems this can be directly done using Signet now (untested) and JWTAsserter is deprecated. Please refer Signet gem docs for more details on how to fetch the access token directly using Signet gem.

from garb.