Add tab omniauth

Gemfile

@@ -75,4 +75,4 @@ gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw]
 
 gem 'coveralls', require: false
 
-gem 'omniauth'
+gem 'omniauth-oauth2'

Gemfile.lock

@@ -108,6 +108,8 @@ GEM
     execjs (2.3.0)
     faker (1.4.2)
       i18n (~> 0.5)
+    faraday (0.9.1)
+      multipart-post (>= 1.2, < 3)
     ffi (1.9.6-x64-mingw32)
     globalid (0.3.2)
       activesupport (>= 4.1.0)
@@ -122,6 +124,7 @@ GEM
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
     json (1.8.2)
+    jwt (1.4.1)
     launchy (2.4.3)
       addressable (~> 2.3)
     loofah (2.0.1)
@@ -132,6 +135,8 @@ GEM
     mini_portile (0.6.2)
     minitest (5.5.1)
     multi_json (1.10.1)
+    multi_xml (0.5.5)
+    multipart-post (2.0.0)
     mysql2 (0.3.17)
     net-scp (1.2.1)
       net-ssh (>= 2.6.5)
@@ -141,9 +146,20 @@ GEM
       mini_portile (~> 0.6.0)
     nokogiri (1.6.6.2-x64-mingw32)
       mini_portile (~> 0.6.0)
+    oauth2 (1.0.0)
+      faraday (>= 0.8, < 0.10)
+      jwt (~> 1.0)
+      multi_json (~> 1.3)
+      multi_xml (~> 0.5)
+      rack (~> 1.2)
     omniauth (1.2.2)
       hashie (>= 1.2, < 4)
       rack (~> 1.0)
+    omniauth-oauth2 (1.2.0)
+      faraday (>= 0.8, < 0.10)
+      multi_json (~> 1.3)
+      oauth2 (~> 1.0)
+      omniauth (~> 1.2)
     orm_adapter (0.5.0)
     paper_trail (4.0.0.beta2)
       activerecord (>= 3.0, < 6.0)
@@ -267,7 +283,7 @@ DEPENDENCIES
   jquery-rails
   launchy
   mysql2
-  omniauth
+  omniauth-oauth2
   paper_trail (~> 4.0.0.beta)
   paperclip
   rails (= 4.2)

config/initializers/tab.rb

@@ -0,0 +1,39 @@
+require 'omniauth-oauth2'
+
+module OmniAuth
+  module Strategies
+    class Tab < OmniAuth::Strategies::OAuth2
+      # Give your strategy a name.
+      option :name, "tab"
+
+      # This is where you pass the options you would pass when
+      # initializing your consumer from the OAuth gem.
+      option :client_options, {
+        :site => "http://kelder.zeus.ugent.be/oauth/oauth2/authorize/"
+      }
+
+      # These are called after authentication has succeeded. If
+      # possible, you should try to set the UID without making
+      # additional calls (if the user id is returned with the token
+      # or as a URI parameter). This may not be possible with all
+      # providers.
+      uid{ raw_info['id'] }
+
+      info do
+        {
+          :name => raw_info['name'],
+        }
+      end
+
+      extra do
+        {
+          'raw_info' => raw_info
+        }
+      end
+
+      def raw_info
+        @raw_info ||= access_token.get('/me').parsed
+      end
+    end
+  end
+end