Class: FacebookClient::Auth

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

Instance Method Summary collapse

Constructor Details

#initialize(fb) ⇒ Auth

Returns a new instance of Auth.



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# File 'lib/auth.rb', line 10

def initialize(fb)
  @fb=fb
end

Instance Method Details

#access_token_url(params = {}) ⇒ Object 



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# File 'lib/auth.rb', line 45

def access_token_url(params={})
  params = params.stringify_keys
  params['client_id']     = @fb.app_id
  params['client_secret'] = @fb.secret
  params.require_keys('redirect_uri', 'client_id', 'client_secret', 'code')
  params.assert_valid_keys('redirect_uri', 'client_id', 'client_secret', 'code')
  connection.build_url('/oauth/access_token', params).to_s
end

#connection ⇒ Object 



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# File 'lib/auth.rb', line 54

def connection
  @connection ||= Faraday::Connection.new(:url => Base::GRAPH_URL) do |builder|
    builder.adapter :net_http
  end
end

#request_access(params = {}) ⇒ Object 



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# File 'lib/auth.rb', line 24

def request_access(params={})
  # required params
  # - code
  # - redirect_uri
  response = connection.get(access_token_url(params))
  data = Rack::Utils.parse_query(response.body)
  validate_access_token_response(data)
  @fb.graph(data['access_token'], data['expires'])
end

#url(params = {}) ⇒ Object 



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# File 'lib/auth.rb', line 14

def url(params={})
  # params
  #  - scope
  #  - redirect_uri
  params = params.stringify_keys
  params['client_id'] = @fb.app_id
  params.require_keys('redirect_uri', 'client_id')
  connection.build_url('/oauth/authorize', params).to_s
end

#validate_access_token_response(data) ⇒ Object 



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# File 'lib/auth.rb', line 34

def validate_access_token_response(data)
  if !data.is_a?(Hash)
    raise ResponseError, "response must be a hash"
  end
  data = data.stringify_keys
  missing_keys = ['access_token']-data.keys 
  if missing_keys.size>0
    raise ResponseError, "response missing key(s) #{missing_keys.join(', ')}"
  end
end