Add support for Google OAuth2 authentication

[rails.git] / config / initializers / omniauth.rb

diff --git a/config/initializers/omniauth.rb b/config/initializers/omniauth.rb
index 2f2245419dd711a9d681057af47afb9d30daef4e..6de63f6ee73430f8ff997261a9c8b26883d63cf4 100644 (file)
--- a/config/initializers/omniauth.rb
+++ b/config/initializers/omniauth.rb
@@ -1,3 +1,11 @@
+require "openid/fetchers"
+require "openid/util"
+
+CA_BUNDLES = ["/etc/ssl/certs/ca-certificates.crt", "/etc/pki/tls/cert.pem"]
+
+OpenID.fetcher.ca_file = CA_BUNDLES.find { |f| File.exist?(f) }
+OpenID::Util.logger = Rails.logger
+
 OmniAuth.config.logger = Rails.logger
 OmniAuth.config.failure_raise_out_environments = []
 
@@ -11,6 +19,27 @@ else
   openid_store = OpenID::Store::Filesystem.new(Rails.root.join("tmp/openids"))
 end
 
+openid_options = { :name => "openid", :store => openid_store }
+google_options = { :name => "google", :scope => "email", :access_type => "online" }
+
+if defined?(GOOGLE_OPENID_REALM)
+  google_options[:openid_realm] = GOOGLE_OPENID_REALM
+end
+
 Rails.application.config.middleware.use OmniAuth::Builder do
-  provider :openid, :name => "openid", :store => openid_store
+  provider :openid, openid_options
+  provider :google_oauth2, GOOGLE_AUTH_ID, GOOGLE_AUTH_SECRET, google_options if defined?(GOOGLE_AUTH_ID)
+end
+
+# Pending fix for: https://github.com/intridea/omniauth/pull/795
+module OmniAuth
+  module Strategy
+    def mock_callback_call_with_origin
+      @env["omniauth.origin"] = session["omniauth.origin"]
+
+      mock_callback_call_without_origin
+    end
+
+    alias_method_chain :mock_callback_call, :origin
+  end
 end