/
facebook.rb
70 lines (63 loc) · 2.4 KB
/
facebook.rb
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
require 'omniauth/oauth'
require 'multi_json'
module OmniAuth
module Strategies
# Authenticate to Facebook utilizing OAuth 2.0 and retrieve
# basic user information.
#
# @example Basic Usage
# use OmniAuth::Strategies::Facebook, 'client_id', 'client_secret'
class Facebook < OAuth2
# @param [Rack Application] app standard middleware application parameter
# @param [String] client_id the application id as [registered on Facebook](http://www.facebook.com/developers/)
# @param [String] client_secret the application secret as registered on Facebook
# @option options [String] :scope ('email,offline_access') comma-separated extended permissions such as `email` and `manage_pages`
def initialize(app, client_id = nil, client_secret = nil, options = {}, &block)
super(app, :facebook, client_id, client_secret, {:site => 'https://graph.facebook.com/'}, options, &block)
end
def user_data
@data ||= MultiJson.decode(@access_token.get('/me', {}, { "Accept-Language" => "en-us,en;"}))
end
def request_phase
options[:scope] ||= "email,offline_access"
super
end
def build_access_token
if facebook_session.nil? || facebook_session.empty?
super
else
@access_token = ::OAuth2::AccessToken.new(client, facebook_session['access_token'])
end
end
def facebook_session
session_cookie = request.cookies["fbs_#{client.id}"]
if session_cookie
@facebook_session ||= Rack::Utils.parse_query(request.cookies["fbs_#{client.id}"].gsub('"', ''))
else
nil
end
end
def user_info
{
'nickname' => user_data["username"],
'email' => (user_data["email"] if user_data["email"]),
'first_name' => user_data["first_name"],
'last_name' => user_data["last_name"],
'name' => "#{user_data['first_name']} #{user_data['last_name']}",
'image' => "http://graph.facebook.com/#{user_data['id']}/picture?type=square",
'urls' => {
'Facebook' => user_data["link"],
'Website' => user_data["website"],
}
}
end
def auth_hash
OmniAuth::Utils.deep_merge(super, {
'uid' => user_data['id'],
'user_info' => user_info,
'extra' => {'user_hash' => user_data}
})
end
end
end
end