You can get all the information from
data = request.env["omniauth.auth"]
Put this line in your action in the controller and the variable data
will have all the information you require in the form of Hash
which you can easily obtain.
By inspecting the data in yaml format, it will look something like this
--- !ruby/hash:OmniAuth::AuthHash
provider: facebook
uid: '100000003334572'
info: !ruby/hash:OmniAuth::AuthHash::InfoHash
nickname: amit.thawait
email: amit17thawait@gmail.com
name: Amit Thawait
first_name: Amit
last_name: Thawait
image: http://graph.facebook.com/100000003334572/picture?type=square
description: I do, what I feel is right.
urls: !ruby/hash:Hashie::Mash
Facebook: http://www.facebook.com/amit.thawait
location: Mumbai, Maharashtra, India
verified: true
credentials: !ruby/hash:Hashie::Mash
token: BAABxTjZCB4e8BAAgSGOoZAmpcDaWjaPM3muL0ZCyEJuLMZAkj5RBnlKy8USptBk4FDSlVyjSszAz1spo5J3K5lUrd6jkU87ZAvv37FJqzATLpV048UxjvhZBDaMZAVJKn9hUFfpJfuikRs4rHIkfvf6kPqNJw2BK8QOIObiBvopQfy0hGbJWBegjomnc9DY4IwZD
expires_at: 1371899187
expires: true
extra: !ruby/hash:Hashie::Mash
raw_info: !ruby/hash:Hashie::Mash
id: '100000003334572'
name: Amit Thawait
first_name: Amit
last_name: Thawait
link: http://www.facebook.com/amit.thawait
username: amit.thawait
hometown: !ruby/hash:Hashie::Mash
id: '108844689143285'
name: Korba, Chhattisgarh, India
location: !ruby/hash:Hashie::Mash
id: '114759761873412'
name: Mumbai, Maharashtra, India
bio: I do, what I feel is right.
work:
- !ruby/hash:Hashie::Mash
employer: !ruby/hash:Hashie::Mash
id: '108134792547341'
name: Tata Consultancy Services
location: !ruby/hash:Hashie::Mash
id: '114759761873412'
name: Mumbai, Maharashtra, India
position: !ruby/hash:Hashie::Mash
id: '149467135066791'
name: Systems Engineer
start_date: 2010-01
education:
- !ruby/hash:Hashie::Mash
school: !ruby/hash:Hashie::Mash
id: '115059778505995'
name: KENDRIYA VIDYALAYA KSTPS KORBA
year: !ruby/hash:Hashie::Mash
id: '194878617211512'
name: '2002'
type: High School
- !ruby/hash:Hashie::Mash
school: !ruby/hash:Hashie::Mash
id: '110549502306553'
name: Vikas Airport Campus, Vishakhapatnam (A.P)
year: !ruby/hash:Hashie::Mash
id: '113125125403208'
name: '2004'
type: High School
- !ruby/hash:Hashie::Mash
school: !ruby/hash:Hashie::Mash
id: '209094152551215'
name: Bhilai Institute of Technology, Durg (C.G.)
year: !ruby/hash:Hashie::Mash
id: '136328419721520'
name: '2009'
type: College
- !ruby/hash:Hashie::Mash
school: !ruby/hash:Hashie::Mash
id: '129487623787373'
name: Vikas Airport Campus,Vishakhapatnam
type: College
with:
- !ruby/hash:Hashie::Mash
id: '100000414638041'
name: Surjit Basu
gender: male
email: amit17thawait@gmail.com
timezone: 5.5
locale: en_US
verified: true
updated_time: '2013-04-18T17:22:04+0000'
You can also have a look at Facebook's Graph API
http://developers.facebook.com/docs/getting-started/graphapi/