implement redirect on login

owrx/controllers/admin.py

@@ -1,6 +1,11 @@
 from .template import WebpageController
 from .session import SessionStorage
 from owrx.config import Config
+from urllib import parse
+
+import logging
+
+logger = logging.getLogger(__name__)
 
 
 class Authentication(object):
@@ -24,4 +29,5 @@ class AdminController(WebpageController):
         if self.authentication.isAuthenticated(self.request):
             super().handle_request()
         else:
-            self.send_redirect("/login")
+            target = "/login?{0}".format(parse.urlencode({"ref": self.request.path}))
+            self.send_redirect(target)

owrx/controllers/session.py

@@ -50,8 +50,8 @@ class SessionController(WebpageController):
                     key = SessionStorage.getSharedInstance().startSession({"user": user.name})
                     cookie = SimpleCookie()
                     cookie["owrx-session"] = key
-                    # TODO pass the final destination
-                    self.send_redirect("/settings", cookies=cookie)
+                    target = self.request.query["ref"][0] if "ref" in self.request.query else "/settings"
+                    self.send_redirect(target, cookies=cookie)
                     return
         self.send_redirect("/login")