Upgrade Facebook Graph API to 4.0

The current Facebook Graph API version (v3.0) was only available until
28 July, 2020. This commit upgrades it to v4.0.

----

Version 4.0
Released July 29, 2019 | Available until November 2nd, 2021

https://developers.facebook.com/docs/graph-api/changelog/version4.0

Author: madeleinel

CHANGELOG.md

@@ -1,3 +1,9 @@
+## 7.0.0 (2020-08-03)
+
+Changes:
+
+  - bumped version of FB Graph API to v4.0
+
 ## 6.0.0 (2020-01-27)
 
 Changes:

README.md

@@ -58,14 +58,14 @@ end
 
 ### API Version
 
-OmniAuth Facebook uses versioned API endpoints by default (current v3.0). You can configure a different version via `client_options` hash passed to `provider`, specifically you should change the version in the `site` and `authorize_url` parameters. For example, to change to v4.0 (assuming that exists):
+OmniAuth Facebook uses versioned API endpoints by default (current v4.0). You can configure a different version via `client_options` hash passed to `provider`, specifically you should change the version in the `site` and `authorize_url` parameters. For example, to change to v7.0 (assuming that exists):
 
 ```ruby
 use OmniAuth::Builder do
   provider :facebook, ENV['FACEBOOK_APP_ID'], ENV['FACEBOOK_APP_SECRET'],
     client_options: {
-      site: 'https://graph.facebook.com/v4.0',
-      authorize_url: "https://www.facebook.com/v4.0/dialog/oauth"
+      site: 'https://graph.facebook.com/v7.0',
+      authorize_url: "https://www.facebook.com/v7.0/dialog/oauth"
     }
 end
 ```

example/app.rb

@@ -29,7 +29,7 @@
         window.fbAsyncInit = function() {
           FB.init({
             appId: '#{ENV['FACEBOOK_APP_ID']}',
-            version: 'v3.0',
+            version: 'v4.0',
             cookie: true // IMPORTANT must enable cookies to allow the server to access the session
           });
           console.log("fb init");

lib/omniauth/facebook/version.rb

@@ -1,5 +1,5 @@
 module OmniAuth
   module Facebook
-    VERSION = '6.0.0'
+    VERSION = '7.0.0'
   end
 end

lib/omniauth/strategies/facebook.rb

@@ -12,8 +12,8 @@ class NoAuthorizationCodeError < StandardError; end
       DEFAULT_SCOPE = 'email'
 
       option :client_options, {
-        site: 'https://graph.facebook.com/v3.0',
-        authorize_url: "https://www.facebook.com/v3.0/dialog/oauth",
+        site: 'https://graph.facebook.com/v4.0',
+        authorize_url: "https://www.facebook.com/v4.0/dialog/oauth",
         token_url: 'oauth/access_token'
       }
 

test/strategy_test.rb

@@ -9,11 +9,11 @@ class StrategyTest < StrategyTestCase
 
 class ClientTest < StrategyTestCase
   test 'has correct Facebook site' do
-    assert_equal 'https://graph.facebook.com/v3.0', strategy.client.site
+    assert_equal 'https://graph.facebook.com/v4.0', strategy.client.site
   end
 
   test 'has correct authorize url' do
-    assert_equal 'https://www.facebook.com/v3.0/dialog/oauth', strategy.client.options[:authorize_url]
+    assert_equal 'https://www.facebook.com/v4.0/dialog/oauth', strategy.client.options[:authorize_url]
   end
 
   test 'has correct token url with versioning' do
@@ -99,7 +99,7 @@ class InfoTest < StrategyTestCase
     @options = { secure_image_url: true }
     raw_info = { 'name' => 'Fred Smith', 'id' => '321' }
     strategy.stubs(:raw_info).returns(raw_info)
-    assert_equal 'https://graph.facebook.com/v3.0/321/picture', strategy.info['image']
+    assert_equal 'https://graph.facebook.com/v4.0/321/picture', strategy.info['image']
   end
 
   test 'returns the image_url based of the client site' do
@@ -113,14 +113,14 @@ class InfoTest < StrategyTestCase
     @options = { image_size: 'normal' }
     raw_info = { 'name' => 'Fred Smith', 'id' => '321' }
     strategy.stubs(:raw_info).returns(raw_info)
-    assert_equal 'http://graph.facebook.com/v3.0/321/picture?type=normal', strategy.info['image']
+    assert_equal 'http://graph.facebook.com/v4.0/321/picture?type=normal', strategy.info['image']
   end
 
   test 'returns the image with size specified as a symbol in the `image_size` option' do
     @options = { image_size: :normal }
     raw_info = { 'name' => 'Fred Smith', 'id' => '321' }
     strategy.stubs(:raw_info).returns(raw_info)
-    assert_equal 'http://graph.facebook.com/v3.0/321/picture?type=normal', strategy.info['image']
+    assert_equal 'http://graph.facebook.com/v4.0/321/picture?type=normal', strategy.info['image']
   end
 
   test 'returns the image with width and height specified in the `image_size` option' do
@@ -129,7 +129,7 @@ class InfoTest < StrategyTestCase
     strategy.stubs(:raw_info).returns(raw_info)
     assert_match 'width=123', strategy.info['image']
     assert_match 'height=987', strategy.info['image']
-    assert_match 'http://graph.facebook.com/v3.0/321/picture?', strategy.info['image']
+    assert_match 'http://graph.facebook.com/v4.0/321/picture?', strategy.info['image']
   end
 end
 
@@ -176,7 +176,7 @@ def setup
 
   test 'returns the facebook avatar url' do
     @raw_info['id'] = '321'
-    assert_equal 'http://graph.facebook.com/v3.0/321/picture', strategy.info['image']
+    assert_equal 'http://graph.facebook.com/v4.0/321/picture', strategy.info['image']
   end
 
   test 'returns the Facebook link as the Facebook url' do
@@ -258,15 +258,15 @@ def setup
     @options = {appsecret_proof: @appsecret_proof, fields: 'name,email'}
   end
 
-  test 'performs a GET to https://graph.facebook.com/v3.0/me' do
+  test 'performs a GET to https://graph.facebook.com/v4.0/me' do
     strategy.stubs(:appsecret_proof).returns(@appsecret_proof)
     strategy.stubs(:access_token).returns(@access_token)
     params = {params: @options}
     @access_token.expects(:get).with('me', params).returns(stub_everything('OAuth2::Response'))
     strategy.raw_info
   end
 
-  test 'performs a GET to https://graph.facebook.com/v3.0/me with locale' do
+  test 'performs a GET to https://graph.facebook.com/v4.0/me with locale' do
     @options.merge!({ locale: 'cs_CZ' })
     strategy.stubs(:access_token).returns(@access_token)
     strategy.stubs(:appsecret_proof).returns(@appsecret_proof)
@@ -275,7 +275,7 @@ def setup
     strategy.raw_info
   end
 
-  test 'performs a GET to https://graph.facebook.com/v3.0/me with info_fields' do
+  test 'performs a GET to https://graph.facebook.com/v4.0/me with info_fields' do
     @options.merge!({info_fields: 'about'})
     strategy.stubs(:access_token).returns(@access_token)
     strategy.stubs(:appsecret_proof).returns(@appsecret_proof)
@@ -284,7 +284,7 @@ def setup
     strategy.raw_info
   end
 
-  test 'performs a GET to https://graph.facebook.com/v3.0/me with default info_fields' do
+  test 'performs a GET to https://graph.facebook.com/v4.0/me with default info_fields' do
     strategy.stubs(:access_token).returns(@access_token)
     strategy.stubs(:appsecret_proof).returns(@appsecret_proof)
     params = {params: {appsecret_proof: @appsecret_proof, fields: 'name,email'}}