fix receiving mail subject broken which does not begin with encoding name (#12375)

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@10812 e93f8b46-1217-0410-a6f0-8f06a7374b81
2012-11-16 06:19:42 +00:00
parent 1da74009cd
commit 617cb7ac53
3 changed files with 20 additions and 1 deletions
@@ -377,7 +377,8 @@ class MailHandler < ActionMailer::Base
      # try to reencode to utf8 manually with ruby1.8
      begin
        if h = email.header[:subject]
-          if m = h.value.match(/^=\?([^\?]+)\?/)
+          # http://tools.ietf.org/html/rfc2047#section-4
+          if m = h.value.match(/=\?([^\?]+)\?[BbQq]\?/)
            subject = Redmine::CodesetUtil.to_utf8(subject, m[1])
          end
        end