google-dfp-oauth2-example.rb

require 'dfp_api'
require 'httparty'
require 'oauth2'

CLIENT_ID     = 'MY CLIENT ID'
CLIENT_SECRET = 'MY CLIENT SECRET'
NETWORK_CODE  = 'MY NETWORK CODE'

dfp = DfpApi::Api.new({
  authentication: {
    method: OAuth2,
    oauth2_client_id: CLIENT_ID,
    oauth2_client_secret: CLIENT_SECRET,
    application_name: 'MY APPLICATION NAME',
    network_code: NETWORK_CODE
  },
  service: { environment: 'PRODUCTION' },
  connection: { enable_gzip: true },
  library: { log_level: 'INFO' }
})

# First Pass, Force Authorization
authorization_token = dfp.authorize({ oauth_callback: 'oob' }) do |oauth_url|
  puts "Hit Auth error, please navigate to URL:\n\t%s" % url
  print 'Log in and type the verification code: '
  gets.chomp
end

oauth_token = HTTParty.post('https://accounts.google.com/o/oauth2/token', body: {
  code: authorization_token['access_token'],
  client_id: CLIENT_ID,
  client_secret: CLIENT_SECRET,
  redirect_uri: 'urn:ietf:wg:oauth:2.0:oob',
  grant_type: 'authorization_code'
})

# => {
#   "access_token"  => "ACCESS TOKEN",
#   "token_type"    => "Bearer",
#   "expires_in"    => 3600,
#   "refresh_token" => "REFRESH TOKEN"
# }

puts "REFRESH TOKEN (KEEP THIS AROUND): #{oauth_token['refresh_token']}"




# Second Pass, Refresh Authorization

oauth_token = HTTParty.post('https://accounts.google.com/o/oauth2/token', body: {
  client_id:      CLIENT_ID,
  client_secret:  CLIENT_SECRET,
  refresh_token:  REFRESH_TOKEN,
  grant_type:     'refresh_token'
})

dfp.authorize({
  client_id:      CLIENT_ID,
  client_secret:  CLIENT_SECRET,
  oauth2_token:   oauth_token.to_hash,
  refresh_token:  REFRESH_TOKEN,
  grant_type:     'refresh_token'
})

# Proceed with API def calls