Add `Authorization` header support.

README.md

@@ -65,6 +65,8 @@ https://api.soundcloud.com/me?oauth_token=:token`
 
 The part with `:token` tells Discourse that it needs to replace that value
 with the authorization token it received when the authentication completed.
+Discourse will also add the `Authorization: Bearer` HTTP header with the
+token in case your API uses that instead.
 
 There is one last step to complete. We need to tell Discourse what
 attributes are available in the JSON it received. Here's a sample

config/locales/server.en.yml

@@ -10,4 +10,5 @@ en:
     oauth2_json_username_path: 'Path in the OAuth2 User JSON to the username. eg: user.username'
     oauth2_json_name_path: "Path in the OAuth2 User JSON to the user's full: user.name.full"
     oauth2_json_email_path: "Path in the OAuth2 User JSON to the user's email: user.email.primary"
+    oauth2_json_email_verified: "Check this if the OAuth2 site has verified the email"
 

plugin.rb

@@ -43,7 +43,7 @@ class OAuth2BasicAuthenticator < ::Auth::OAuth2Authenticator
 
   def fetch_user_details(token)
     user_json_url = SiteSetting.oauth2_user_json_url.sub(':token', token)
-    user_json = JSON.parse(open(user_json_url).read)
+    user_json = JSON.parse(open(user_json_url, 'Authorization' => "Bearer #{token}" ).read)
 
     result = {}
     if user_json.present?