From fd76cd46e63f5d75b028d738d522a56b69cba601 Mon Sep 17 00:00:00 2001
From: Justus Winter <4winter@informatik.uni-hamburg.de>
Date: Mon, 27 May 2013 13:26:11 +0200
Subject: Normalize Content-Type parameters

RFC 2045 specifies that parameter names are case-insensitive, so
normalize them by converting them to their lower case version.

Signed-off-by: Justus Winter <4winter@informatik.uni-hamburg.de>
---
 alot/db/utils.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/alot/db/utils.py b/alot/db/utils.py
index 9449f989..6861b39e 100644
--- a/alot/db/utils.py
+++ b/alot/db/utils.py
@@ -91,7 +91,11 @@ def message_from_file(handle):
             malformed = 'expected Content-Type: {0}, got: {1}'.format(
                 want, ct)
 
-        p = {k:v for k, v in m.get_params()}
+        # Get Content-Type parameters as dict. RFC 2045 specifies that
+        # parameter names are case-insensitive, so we normalize them
+        # here.
+        p = {k.lower():v for k, v in m.get_params()}
+
         if p.get('protocol', 'nothing') != want:
             malformed = 'expected protocol={0}, got: {1}'.format(
                 want, p.get('protocol', 'nothing'))
-- 
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