From d061ad7d565a17aae32010f230294fdf4134d999 Mon Sep 17 00:00:00 2001
From: Son NK <nguyenkims@hotmail.com>
Date: Mon, 18 Nov 2019 22:26:32 +0100
Subject: [PATCH] make sure user cannot register with SL email

---
 app/auth/views/register.py | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/app/auth/views/register.py b/app/auth/views/register.py
index 30abe103..b70038ca 100644
--- a/app/auth/views/register.py
+++ b/app/auth/views/register.py
@@ -5,7 +5,7 @@ from wtforms import StringField, validators
 
 from app import email_utils
 from app.auth.base import auth_bp
-from app.config import URL
+from app.config import URL, EMAIL_DOMAIN
 from app.email_utils import notify_admin
 from app.extensions import db
 from app.log import LOG
@@ -32,7 +32,15 @@ def register():
     next_url = request.args.get("next")
 
     if form.validate_on_submit():
-        user = User.filter_by(email=form.email.data).first()
+        email = form.email.data
+
+        if email.endswith(EMAIL_DOMAIN):
+            flash(
+                "You cannot use alias as your personal inbox. Nice try though 😉",
+                "error",
+            )
+
+        user = User.filter_by(email=email).first()
 
         if user:
             flash(f"Email {form.email.data} already exists", "warning")