Class: FbGraph::Auth

Inherits:
Object
  • Object
show all
Defined in:
lib/fb_graph/auth.rb,
lib/fb_graph/auth/cookie.rb

Overview

Parse & verify facebook auth cookie

Used with Facebook JavaScript SDK

app = FbGraph::Auth.new(APP_ID, APP_SECRET)
app.from_cookie(cookie_hash)
auth.access_token
# => OAuth2::AccessToken (not String!)
auth.user # only initialized
auth.user.fetch # fetch whole profile

This method is called automatically if cookie is given when initializing

auth = FbGraph::Auth.new(APP_ID, APP_SECRET, :cookie => {..})
auth.access_token # already parsed

Defined Under Namespace

Classes: Cookie, VerificationFailed

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(client_id, client_secret, options = {}) ⇒ Auth

Returns a new instance of Auth.



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# File 'lib/fb_graph/auth.rb', line 22

def initialize(client_id, client_secret, options = {})
  @client = OAuth2::Client.new(client_id, client_secret, options.merge(
    :site => FbGraph::ROOT_URL
  ))
  if options[:cookie].present?
    from_cookie(options[:cookie])
  end
end

Instance Attribute Details

#access_token ⇒ Object

Returns the value of attribute access_token.



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# File 'lib/fb_graph/auth.rb', line 20

def access_token
  @access_token
end

#client ⇒ Object

Returns the value of attribute client.



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# File 'lib/fb_graph/auth.rb', line 20

def client
  @client
end

#user ⇒ Object

Returns the value of attribute user.



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# File 'lib/fb_graph/auth.rb', line 20

def user
  @user
end

Instance Method Details



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# File 'lib/fb_graph/auth.rb', line 31

def from_cookie(cookie)

  #this creates a cookie
  cookie = FbGraph::Auth::Cookie.parse(self.client, cookie)

  #the cookie expires time is the time as an integer
  #in the oauth2 api, it does Time.now + expires, creating a time too large
  #instead, make expires a delta value
  time_expires = cookie[:expires].to_i - Time.now.to_i
  self.access_token = OAuth2::AccessToken.new(
    self.client,
    cookie[:access_token],
    cookie[:refresh_token],
    time_expires
  )
  self.user = FbGraph::User.new(cookie[:uid], :access_token => self.access_token)
  self
end