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module GoogleApi
class AuthorizationsController < ApplicationController
def callback
token, expires_at = GoogleApi::CloudPlatform::Client
.new(nil, callback_google_api_auth_url)
.get_token(params[:code])
session[GoogleApi::CloudPlatform::Client.session_key_for_token] = token
session[GoogleApi::CloudPlatform::Client.session_key_for_expires_at] =
expires_at.to_s
state_redirect_uri = redirect_uri_from_session_key(params[:state])
if state_redirect_uri
redirect_to state_redirect_uri
else
redirect_to root_path
end
end
private
def redirect_uri_from_session_key(state)
key = GoogleApi::CloudPlatform::Client
.session_key_for_redirect_uri(params[:state])
session[key] if key
end
end
end
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