[sup-devel] [PATCH] Decode messages according to their Content-Transfer-Encoding

* [sup-devel] [PATCH] Decode messages according to their Content-Transfer-Encoding
@ 2010-06-04 22:17 Michael Stapelberg
  2010-06-05  2:54 ` Rich Lane
  0 siblings, 1 reply; 4+ messages in thread
From: Michael Stapelberg @ 2010-06-04 22:17 UTC (permalink / raw)
  To: sup-devel

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Hi,

quote of the commit message:
    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.

Best regards,
Michael

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From bf86e61b22783776e8b9df4f31c59157f3222af1 Mon Sep 17 00:00:00 2001
From: Michael Stapelberg <michael@stapelberg.de>
Date: Sat, 5 Jun 2010 00:13:54 +0200
Subject: [PATCH] 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.
---
 lib/sup/message.rb |   15 ++++++++++++++-
 1 files changed, 14 insertions(+), 1 deletions(-)

diff --git a/lib/sup/message.rb b/lib/sup/message.rb
index 396f01a..b70bc6b 100644
--- 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(", ")
-- 
1.7.1


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