sup

commit 05a863b71c4ea43f3af8156f0fe1045c7229e438
parent af10b0fcdd1a192f7bec9c116f677a1bd93bb760
Author: Michael Stapelberg <michael@stapelberg.de>
Date:   Sat,  5 Jun 2010 00:13:54 +0200

Decode messages according to their Content-Transfer-Encoding

This is necessary for MIME-messages (for example as part of multipart/signed)
which are encoded in base64.

Diffstat:

1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/lib/sup/message.rb b/lib/sup/message.rb
@@ -459,8 +459,21 @@ private
 
       chunks
     elsif m.header.content_type && m.header.content_type.downcase == "message/rfc822"
+      encoding = m.header["Content-Transfer-Encoding"]
       if m.body
-        payload = RMail::Parser.read(m.body)
+        body =
+        case encoding
+        when "base64"
+          m.body.unpack("m")[0]
+        when "quoted-printable"
+          m.body.unpack("M")[0]
+        when "7bit", "8bit", nil
+          m.body
+        else
+          raise EncodingUnsupportedError, encoding.inspect
+        end
+        body = body.normalize_whitespace
+        payload = RMail::Parser.read(body)
         from = payload.header.from.first ? payload.header.from.first.format : ""
         to = payload.header.to.map { |p| p.format }.join(", ")
         cc = payload.header.cc.map { |p| p.format }.join(", ")