From 386724a98b1cb346493b5decd9dd944b423b60ba Mon Sep 17 00:00:00 2001
From: pyup-bot <github-bot@pyup.io>
Date: Wed, 2 May 2018 15:49:01 +0100
Subject: [PATCH 1/3] Update flask from 0.12.2 to 1.0.2

---
 requirements.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/requirements.txt b/requirements.txt
index 8d05695de..e2a62c42c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 ago==0.0.92
-Flask==0.12.2
+Flask==1.0.2
 Flask-WTF==0.14.2
 Flask-Login==0.4.1
 

From 869e5cd76610f3e6a877f6fc3fa6a3c25cedc47a Mon Sep 17 00:00:00 2001
From: Rebecca Law <rebecca.law@digital.cabinet-office.gov.uk>
Date: Wed, 30 May 2018 13:50:29 +0100
Subject: [PATCH 2/3] Added a 400 error handler

---
 app/__init__.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/app/__init__.py b/app/__init__.py
index 376c976c5..c88c808dd 100644
--- a/app/__init__.py
+++ b/app/__init__.py
@@ -529,6 +529,10 @@ def register_errorhandlers(application):  # noqa (C901 too complex)
             error_code = 500
         return _error_response(error_code)
 
+    @application.errorhandler(400)
+    def handle_400(error):
+        return _error_response(400)
+
     @application.errorhandler(410)
     def handle_gone(error):
         return _error_response(410)

From 886ed01638b4dcc3440f82987bfcbfe7dbe1610b Mon Sep 17 00:00:00 2001
From: Rebecca Law <rebecca.law@digital.cabinet-office.gov.uk>
Date: Wed, 30 May 2018 14:54:25 +0100
Subject: [PATCH 3/3] Flask has change how it handles
 werkzeug.routing.RequestRedirect, we need to add an errorhandler so that the
 request does the right thing.

Refer to: https://github.com/pallets/flask/issues/671#issuecomment-305394901
---
 app/__init__.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/app/__init__.py b/app/__init__.py
index c88c808dd..157bdd72a 100644
--- a/app/__init__.py
+++ b/app/__init__.py
@@ -36,6 +36,7 @@ from notifications_utils.formatters import formatted_list
 from notifications_utils.sanitise_text import SanitiseASCII
 from werkzeug.exceptions import abort
 from werkzeug.local import LocalProxy
+from werkzeug.routing import RequestRedirect
 
 from app import proxy_fix
 from app.config import configs
@@ -580,6 +581,10 @@ def register_errorhandlers(application):  # noqa (C901 too complex)
         ), 400)
         return useful_headers_after_request(resp)
 
+    @application.errorhandler(RequestRedirect)
+    def handle_301(error):
+        return error
+
     @application.errorhandler(500)
     @application.errorhandler(Exception)
     def handle_bad_request(error):