Added basic controller and helper code

This commit is contained in:
Mike Mangino 2010-05-05 11:42:11 -04:00
parent e5997a8697
commit e60e187a05
9 changed files with 303 additions and 0 deletions

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# Facebooker2 # Facebooker2
module Facebooker2
class << self
attr_accessor :api_key, :secret, :app_id
end
end
require "mogli"
require "facebooker2/rails/controller"
require "facebooker2/rails/helpers/facebook_connect"

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lib/facebooker2/rails.rb Normal file
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module Facebooker2
module Rails
end
end

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require "digest/md5"
require "ruby-debug"
module Facebooker2
module Rails
module Controller
def current_facebook_user
fetch_client_and_user_from_cookie
@_current_facebook_user
end
def current_facebook_client
fetch_client_and_user_from_cookie
@_current_facebook_client
end
def fetch_client_and_user_from_cookie
return if @_fb_user_fetched
app_id = Facebooker2.app_id
if (hash_data = fb_cookie_hash_for_app_id(app_id)) and
fb_cookie_signature_correct?(fb_cookie_hash_for_app_id(app_id),Facebooker2.secret)
@_current_facebook_client = Mogli::Client.new(hash_data["access_token"],hash_data["expires"].to_i)
@_current_facebook_user = Mogli::User.new(:id=>hash_data["uid"])
@_current_facebook_user.client = @_current_facebook_client
end
@_fb_user_fetched = true
end
def fb_cookie_hash_for_app_id(app_id)
return nil unless fb_cookie_for_app_id?(app_id)
hash={}
data = fb_cookie_for_app_id(app_id)
data.split("&").each do |str|
parts = str.split("=")
hash[parts.first] = parts.last
end
hash
end
def fb_cookie_for_app_id?(app_id)
!fb_cookie_for_app_id(app_id).nil?
end
def fb_cookie_for_app_id(app_id)
cookies["fbs_#{app_id}"]
end
def fb_cookie_signature_correct?(hash,secret)
sorted_keys = hash.keys.reject {|k| k=="sig"}.sort
test_string = ""
sorted_keys.each do |key|
test_string += "#{key}=#{hash[key]}"
end
test_string += secret
Digest::MD5.hexdigest(test_string) == hash["sig"]
end
end
end
end

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module Facebooker2
module Rails
module Helpers
module FacebookConnect
#
# Render an <fb:login-button> element, similar to
# fb_login_button. Adds a js redirect to the onlogin event via rjs.
#
# ==== Examples
#
# fb_login_and_redirect '/other_page'
# => <fb:login-button onlogin="window.location.href = &quot;/other_page&quot;;"></fb:login-button>
#
# Like #fb_login_button, this also supports the :text option
#
# fb_login_and_redirect '/other_page', :text => "Login with Facebook", :v => '2'
# => <fb:login-button onlogin="window.location.href = &quot;/other_page&quot;;" v="2">Login with Facebook</fb:login-button>
#
def fb_login_and_redirect(url, options = {})
js = update_page do |page|
page.redirect_to url
end
text = options.delete(:text)
content_tag("fb:login-button",text,options.merge(:onlogin=>js))
end
#
# Logs the user out of facebook and redirects to the given URL
# args are passed to the call to link_to_function
def fb_logout_link(text,url,*args)
function= "FB.logout(function() {window.location.href = '#{url}';})"
link_to_function text, function, *args
end
def fb_server_fbml(style=nil,&proc)
style_string=" style=\"#{style}\"" if style
content = capture(&proc)
concat("<fb:serverFbml#{style_string}><script type='text/fbml'>#{content}</script></fb:serverFbml>")
end
end
end
end
end

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spec/facebooker2_spec.rb Normal file
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require "spec_helper"
describe Facebooker2 do
describe "Configuration" do
it "allows setting of the api_key" do
Facebooker2.api_key = "123456"
Facebooker2.api_key.should == "123456"
end
it "allows setting of the secret" do
Facebooker2.secret = "mysecret"
Facebooker2.secret.should == "mysecret"
end
it "has an app_id" do
Facebooker2.app_id = "12345"
Facebooker2.app_id.should == "12345"
end
end
end

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require "spec_helper"
require "ruby-debug"
describe Facebooker2::Rails::Helpers::FacebookConnect, :type=>:helper do
include Facebooker2::Rails::Helpers::FacebookConnect
describe "fb_login_and_redirect" do
it "renders a login button" do
fb_login_and_redirect("/").should ==
"<fb:login-button onlogin=\"window.location.href = &quot;/&quot;;\"></fb:login-button>"
end
it "allows you to specify the text of the button" do
fb_login_and_redirect("/",:text=>"my test").should ==
"<fb:login-button onlogin=\"window.location.href = &quot;/&quot;;\">my test</fb:login-button>"
end
end
describe "Logging out" do
it "has an fb_logout_link" do
fb_logout_link("logout","/").should ==
"<a href=\"#\" onclick=\"FB.logout(function() {window.location.href = '/';}); return false;\">logout</a>"
end
end
describe "server FBML" do
it "renders the yielded content inside of an fbml block" do
fb_server_fbml do
end
output_buffer.should == "<fb:serverFbml><script type='text/fbml'></script></fb:serverFbml>"
end
it "includes the content inside the block" do
fb_server_fbml do
"inner text"
end
output_buffer.should == "<fb:serverFbml><script type='text/fbml'>inner text</script></fb:serverFbml>"
end
it "allows specifying style attributes" do
fb_server_fbml "width: 750px;" do
end
output_buffer.should == "<fb:serverFbml style=\"width: 750px;\"><script type='text/fbml'></script></fb:serverFbml>"
end
end
end

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require "spec_helper"
class FakeController
include Facebooker2::Rails::Controller
end
describe Facebooker2::Rails::Controller do
before(:each) do
Facebooker2.app_id = "12345"
Facebooker2.secret = "42ca6de519d53f6e0420247a4d108d90"
end
describe "Cookie handling" do
let :controller do
controller = FakeController.new
controller.stub!(:cookies).and_return("fbs_12345"=>"access_token=114355055262088|57f0206b01ad48bf84ac86f1-12451752|63WyZjRQbzowpN8ibdIfrsg80OA.&expires=0&secret=1e3375dcc4527e7ead0f82c095421690&session_key=57f0206b01ad48bf84ac86f1-12451752&sig=4337fcdee4cc68bb70ec495c0eebf89c&uid=12451752")
controller
end
it "knows if a cookie exists for this app" do
controller.fb_cookie_for_app_id?(12345).should be_true
end
it "knows when there isn't a cookie" do
controller.fb_cookie_for_app_id?(432432).should be_false
end
it "gets the hash from the cookie" do
controller.stub!(:cookies).and_return("fbs_12345"=>"param1=val1&param2=val2")
controller.fb_cookie_hash_for_app_id(12345).should == {"param1"=>"val1", "param2"=>"val2"}
end
it "creates a user from the cookie" do
controller.current_facebook_user.should_not be_nil
controller.current_facebook_user.should be_an_instance_of(Mogli::User)
controller.current_facebook_user.id.should == "12451752"
end
it "doesn't create a user if there is no app cookie" do
Facebooker2.app_id="other_app"
controller.current_facebook_user.should be_nil
end
it "creates a client from the cookie" do
controller.current_facebook_client.should_not be_nil
controller.current_facebook_client.should be_an_instance_of(Mogli::Client)
controller.current_facebook_client.access_token.should == "114355055262088|57f0206b01ad48bf84ac86f1-12451752|63WyZjRQbzowpN8ibdIfrsg80OA."
end
it "verifies that the signature is correct" do
controller.fb_cookie_signature_correct?({
"access_token" => "114355055262088|57f0206b01ad48bf84ac86f1-12451752|63WyZjRQbzowpN8ibdIfrsg80OA.",
"expires" => "0",
"secret" => "1e3375dcc4527e7ead0f82c095421690",
"session_key" => "57f0206b01ad48bf84ac86f1-12451752",
"uid" => "12451752",
"sig" => "4337fcdee4cc68bb70ec495c0eebf89c"},
"42ca6de519d53f6e0420247a4d108d90"
).should be_true
end
it "returns false if the signature is not correct" do
controller.fb_cookie_signature_correct?({
"access_token" => "114355055262088|57f0206b01ad48bf84ac86f1-12451752|63WyZjRQbzowpN8ibdIfrsg80OA.",
"expires" => "0",
"secret" => "1e3375dcc4527e7ead0f82c095421690",
"session_key" => "57f0206b01ad48bf84ac86f1-12451752",
"uid" => "5436785463785",
"sig" => "4337fcdee4cc68bb70ec495c0eebf89c"},
"42ca6de519d53f6e0420247a4d108d90"
).should be_false
end
end
describe "Methods" do
it "has a current_facebook_user" do
end
it "has a current_facebook_client" do
end
end
end

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spec/spec.opts Normal file
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spec/spec_helper.rb Normal file
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require "rubygems"
require "active_support"
require "action_pack"
require "action_view"
require "action_controller"
require 'action_controller/test_process'
require 'action_controller/integration'
require 'active_support/test_case'
require 'spec/test/unit'
require "facebooker2"
gem "rspec-rails"
#required because view tests need a controller
class ApplicationController < ActionController::Base
end
#load just the files needed for helper tests so that we don't need a full rails stack
require "spec/rails/example/functional_example_group"
require "spec/rails/example/helper_example_group"
require 'spec/rails/interop/testcase'
Spec::Example::ExampleGroupFactory.default(ActiveSupport::TestCase)