FEATURE: allow auto provider to specify "full screen login"

this feature means we attempt to log in without opening a frame.

app/assets/javascripts/discourse/controllers/login.js.es6

@@ -113,21 +113,26 @@ export default Ember.Controller.extend(ModalFunctionality, {
       if(customLogin){
         customLogin();
       } else {
-        this.set('authenticate', name);
+        var authUrl = Discourse.getURL("/auth/" + name);
-        const left = this.get('lastX') - 400;
+        if (loginMethod.get("full_screen_login")) {
-        const top = this.get('lastY') - 200;
+          window.location = authUrl;
+        } else {
+          this.set('authenticate', name);
+          const left = this.get('lastX') - 400;
+          const top = this.get('lastY') - 200;
 
-        const height = loginMethod.get("frameHeight") || 400;
+          const height = loginMethod.get("frameHeight") || 400;
-        const width = loginMethod.get("frameWidth") || 800;
+          const width = loginMethod.get("frameWidth") || 800;
-        const w = window.open(Discourse.getURL("/auth/" + name), "_blank",
+          const w = window.open(authUrl, "_blank",
-            "menubar=no,status=no,height=" + height + ",width=" + width +  ",left=" + left + ",top=" + top);
+              "menubar=no,status=no,height=" + height + ",width=" + width +  ",left=" + left + ",top=" + top);
-        const self = this;
+          const self = this;
-        const timer = setInterval(function() {
+          const timer = setInterval(function() {
-          if(!w || w.closed) {
+            if(!w || w.closed) {
-            clearInterval(timer);
+              clearInterval(timer);
-            self.set('authenticate', null);
+              self.set('authenticate', null);
-          }
+            }
-        }, 1000);
+          }, 1000);
+        }
       }
     },
 

app/controllers/users/omniauth_callbacks_controller.rb

@@ -36,6 +36,18 @@ class Users::OmniauthCallbacksController < ApplicationController
 
     @auth_result = authenticator.after_authenticate(auth)
 
+    origin = request.env['omniauth.origin']
+    if origin.present?
+      parsed = URI.parse(@origin) rescue nil
+      if parsed
+        @origin = parsed.path
+      end
+    end
+
+    unless @origin.present?
+      @origin = Discourse.base_uri("/")
+    end
+
     if @auth_result.failed?
       flash[:error] = @auth_result.failed_reason.html_safe
       return render('failure')

app/views/users/omniauth_callbacks/complete.html.erb

@@ -26,7 +26,7 @@
         window.opener.Discourse.authenticationComplete(<%=@auth_result.to_client_hash.to_json.html_safe%>);
         window.close();
       } else {
-        window.location = '<%= Discourse.base_uri("/") %>';
+        window.location = <%= @origin.inspect %>;
       }
     </script>
   </div>