when not logged in, redirect to sign-in

parts of the initial setup/login stages were throwing 500s if user
not already in process (ie: user directly navigated to url):
* /resend-email-verification
* /text-not-received
* /send-new-code
* verify

app/main/views/verify.py

@@ -18,14 +18,14 @@ from notifications_utils.url_safe_token import check_token
 
 from app.main import main
 from app.main.forms import TwoFactorForm
+from app.utils import redirect_to_sign_in
 
 from app import user_api_client
 
 
 @main.route('/verify', methods=['GET', 'POST'])
+@redirect_to_sign_in
 def verify():
-    # TODO there needs to be a way to regenerate a session id
-    # or handle gracefully.
     user_id = session['user_details']['id']
 
     def _check_code(code):