From a7ff8364ea04c34dedfd8d028c78b941461ec664 Mon Sep 17 00:00:00 2001
From: Olivier Dony <odo@openerp.com>
Date: Tue, 7 Mar 2017 15:26:09 +0100
Subject: [PATCH] [FIX] mail sanitize: allow extra common style attributes

Without allowing these harmless style attributes, sending
mass mailing emails with the new snippets produced an ugly
dumbed-down version.
---
 odoo/tools/mail.py | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/odoo/tools/mail.py b/odoo/tools/mail.py
index 328fa81465c..cff0779a658 100644
--- a/odoo/tools/mail.py
+++ b/odoo/tools/mail.py
@@ -42,14 +42,22 @@ class _Cleaner(clean.Cleaner):
     _style_re = re.compile('''([\w-]+)\s*:\s*((?:[^;"']|"[^"]*"|'[^']*')+)''')
 
     _style_whitelist = [
-        'font-size', 'font-family', 'background-color', 'color', 'text-align',
+        'font-size', 'font-family', 'font-weight', 'background-color', 'color', 'text-align',
+        'line-height', 'letter-spacing', 'text-transform', 'text-decoration',
         'padding', 'padding-top', 'padding-left', 'padding-bottom', 'padding-right',
         'margin', 'margin-top', 'margin-left', 'margin-bottom', 'margin-right'
         # box model
-        'border', 'border-color', 'border-radius', 'height', 'margin', 'padding', 'width', 'max-width', 'min-width',
+        'border', 'border-color', 'border-radius', 'border-style', 'height',
+        'margin', 'padding', 'width', 'max-width', 'min-width',
         # tables
         'border-collapse', 'border-spacing', 'caption-side', 'empty-cells', 'table-layout']
 
+    _style_whitelist.extend(
+        ['border-%s-%s' % (position, attribute)
+            for position in ['top', 'bottom', 'left', 'right']
+            for attribute in ('style', 'color', 'width', 'left-radius', 'right-radius')]
+    )
+
     strip_classes = False
     sanitize_style = False