oauth2 => facebook example

gistfile1.rb

require 'rubygems'; require 'spec/helper'; Faraday.default_adapter = :net_http

args = { :site => 'https://graph.facebook.com', :token_url => '/oauth/access_token', :ssl => { :verify => false } }
client = OAuth2::Client.new('155938287786939', '7e3f065e969f7c499bcda855b98e0989', args)
redirect_uri = 'https://github.com/paulwalker/oauth2/'

client.auth_code.authorize_url(:redirect_uri => redirect_uri)
# https://graph.facebook.com/oauth/authorize?response_type=code&client_id=155938287786939&redirect_uri=https%3A%2F%2Fgithub.com%2Fpaulwalker%2Foauth2%2F

# navigate to domain in browser and then put code value in
code = ''
begin; token = client.auth_code.get_token(code, :redirect_uri => redirect_uri, :parse => :query); rescue Exception => e; end
token.options.merge!(:header_format => 'OAuth %s', :param_name => 'access_token')

begin; response = token.get('/me', :parse => :json); rescue Exception => e; end
response.parsed