lib/sorcery/providers/github.rb
module Sorcery
module Providers
# This class adds support for OAuth with github.com.
#
# config.github.key = <key>
# config.github.secret = <secret>
# ...
#
class Github < Base
include Protocols::Oauth2
attr_accessor :auth_path, :scope, :token_url, :user_info_path
def initialize
super
@scope = nil
@site = 'https://github.com/'
@user_info_path = 'https://api.github.com/user'
@auth_path = '/login/oauth/authorize'
@token_url = '/login/oauth/access_token'
end
def get_user_hash(access_token)
response = access_token.get(user_info_path)
auth_hash(access_token).tap do |h|
h[:user_info] = JSON.parse(response.body).tap do |uih|
uih['email'] = primary_email(access_token) if scope =~ /user/
end
h[:uid] = h[:user_info]['id']
end
end
# calculates and returns the url to which the user should be redirected,
# to get authenticated at the external provider's site.
def login_url(params, session)
authorize_url({ authorize_url: auth_path })
end
# tries to login the user from access token
def process_callback(params, session)
args = {}.tap do |a|
a[:code] = params[:code] if params[:code]
end
get_access_token(args, token_url: token_url, token_method: :post)
end
def primary_email(access_token)
response = access_token.get(user_info_path + "/emails")
emails = JSON.parse(response.body)
primary = emails.find{|i| i['primary'] }
primary && primary['email'] || emails.first && emails.first['email']
end
end
end
end