Commit 9e718307 authored by Claude Paroz's avatar Claude Paroz
Browse files

[1.5.x] Added compatibility with legacy message length 

Added compatibility code to not break when decoding messages
encoded on pre-1.5 versions.
Refs #19387. Thanks Florian Apolloner for noticing the issue.
parent be10289d

django/contrib/messages/storage/cookie.py

+3 −0
Original line number Diff line number Diff line
@@ -33,6 +33,9 @@ class MessageDecoder(json.JSONDecoder): 
    def process_messages(self, obj):

        if isinstance(obj, list) and obj:

            if obj[0] == MessageEncoder.message_key:

                if len(obj) == 3:

                    # Compatibility with previously-encoded messages

                    return Message(*obj[1:])

                if obj[1]:

                    obj[3] = mark_safe(obj[3])

                return Message(*obj[2:])