Module: PlataformaSocial::Facebook

Included in:
ActionController::Base
Defined in:
lib/plataforma_social/facebook.rb

Instance Method Summary collapse

Instance Method Details

#facebook_login ⇒ Object 



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# File 'lib/plataforma_social/facebook.rb', line 6

def 
  load_oauth
  load_graph

  redirect = false

  if params[:code]
    begin
      @oauth.get_access_token(params[:code])
    rescue Koala::Facebook::OAuthTokenRequestError
      redirect = true if parse_facebook_signed_request && !parse_facebook_signed_request['oauth_token']
    end
  else
    redirect = true if parse_facebook_signed_request && !parse_facebook_signed_request['oauth_token']
  end

  if parse_facebook_signed_request && parse_facebook_signed_request['oauth_token']
    if parse_facebook_signed_request['expires'] > Time.now.to_i # Se o access_token do usuário não estiver expirado
      if !session[:not_verify_facebook_permissions] == true
        begin
          permissions = @graph.get_object('me', :fields => 'permissions')['permissions']['data'][0]
          session[:not_verify_facebook_permissions] = true

          PlataformaSocial.facebook_scope.split(',').each do |permission|
            redirect = true unless permissions[permission.strip]
          end
        rescue Koala::Facebook::AuthenticationError
          redirect = true

          # Remove o signed_request da URL já que ele está expirado e recarrega o objeto do @oauth
          if params[:callback_url].present?
            params[:callback_url].gsub!("signed_request=#{params[:signed_request]}", "")
          elsif request.present?
            request.fullpath.gsub!("signed_request=#{params[:signed_request]}", "")
          else
            PlataformaSocial.facebook_callback_url.to_s.gsub!("signed_request=#{params[:signed_request]}", "")
          end

          load_oauth
        end
      end
    else
      redirect = true
    end
  end

  if redirect
    render :text => %|<script type="text/javascript">window.top.location.href="#{@oauth.url_for_oauth_code(:permissions => PlataformaSocial.configuration.facebook_scope)}";</script>|
  end
end

#facebook_user_data ⇒ Object 



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# File 'lib/plataforma_social/facebook.rb', line 103

def facebook_user_data
  if load_graph
    @graph.get_object('me')
  end
end

#load_graph ⇒ Object 



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# File 'lib/plataforma_social/facebook.rb', line 145

def load_graph
  @graph = Koala::Facebook::API.new parse_facebook_signed_request['oauth_token'] if parse_facebook_signed_request.present? && parse_facebook_signed_request['oauth_token']
end

#load_oauth ⇒ Object 



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# File 'lib/plataforma_social/facebook.rb', line 114

def load_oauth
  if params[:callback_url].present?
    callback_url = params[:callback_url]
  elsif request.present?
    callback_url = "#{request.protocol}#{request.host_with_port}#{request.fullpath}"
  else
    callback_url = PlataformaSocial.facebook_callback_url.to_s
  end

  uri = URI.parse(callback_url)

  callback_url = if uri && uri.scheme.present?
    uri.query = [
      uri.query,
      "gm_referral_code=#{URI.encode(params[:gm_referral_code] || '')}",
      "utm_source=#{URI.encode(params[:utm_source] || '')}",
      "source=#{URI.encode(params[:utm_source] || '')}",
      "campaign=#{URI.encode(params[:utm_campaign] || '')}",
      "utm_campaign=#{URI.encode(params[:utm_campaign] || '')}",
      "medium=#{URI.encode(params[:utm_medium] || '')}",
      "utm_medium=#{URI.encode(params[:utm_medium] || '')}"
    ].compact.join('&')

    uri.to_s
  else
    nil
  end

  @oauth = Koala::Facebook::OAuth.new(PlataformaSocial.facebook_app_id, PlataformaSocial.facebook_app_secret, callback_url)
end

#load_user_data(options = {}) ⇒ Object 



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# File 'lib/plataforma_social/facebook.rb', line 57

def load_user_data options = {}
  settings = {
    referral_code: params[:gm_referral_code],
    source: params[:utm_source],
    utm: {
      source: params[:utm_source],
      medium: params[:utm_medium],
      campaign: params[:utm_campaign]
    },
    referrer: request.referer,
    signed_request: params[:signed_request]
  }.merge options

  facebook_data          = facebook_user_data.try(:symbolize_keys)
  plataforma_social_data = plataforma_social_user_data(settings).try(:symbolize_keys)

  @user_data = { :facebook => facebook_data, :plataforma_social => plataforma_social_data }
end

#parse_facebook_signed_request ⇒ Object 



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# File 'lib/plataforma_social/facebook.rb', line 109

def parse_facebook_signed_request
  load_oauth
  @oauth.parse_signed_request params[:signed_request] if params[:signed_request].present?
end

#plataforma_social_user_data(options = {}) ⇒ Object 



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# File 'lib/plataforma_social/facebook.rb', line 76

def plataforma_social_user_data options = {}
  settings = {
    referral_code: params[:gm_referral_code],
    source: params[:utm_source],
    utm: {
      source: params[:utm_source],
      medium: params[:utm_medium],
      campaign: params[:utm_campaign]
    },
    referrer: request.referer,
    signed_request: params[:signed_request]
  }.merge options

  if settings[:signed_request]
    header_params = {
      'User-Agent' => request.env['HTTP_USER_AGENT'],
      'Referer' => request.referer
    }
    response = Request.post("#{PlataformaSocial.domains('login')}/register", settings, header_params)

    data = {}
    data[:reference] = response['id'] if response.present? && response['id']

    data
  end
end