[sup-devel] RubyMail cannot handle multipart/signed messages

From: Michael Stapelberg <michael+sup@stapelberg.de>
To: sup-devel@rubyforge.org
Subject: [sup-devel] RubyMail cannot handle multipart/signed messages
Date: Mon, 19 Apr 2010 09:43:49 +0200	[thread overview]
Message-ID: <1271662579-sup-4883@midna.zekjur.net> (raw)

[-- Attachment #1: Type: text/plain, Size: 741 bytes --]

Hi,

yesterday I got a PGP/MIME message which had multiple attachments. Turns out
RubyMail cannot do multipart/signed (sup says RubyMail failed to decode the
document for some bizarre reason, when you try it in irb, you’ll see it
actually decodes the message parts as headers). I also tried 'mail' by the
same author which he claims can do multipart and is better in general, but
it seems it also cannot do multipart/signed (RFC 1847).

So, what are the plans in regard to RubyMail? Switching to something different
altogether? If so, to which library? I would then fix parsing of
multipart/signed messages for this library…

Best regards,
Michael

PS: I attached a minimum working example of a problematic message (decrypted
body only)

[-- Attachment #2: mwe --]
[-- Type: application/octet-stream, Size: 2099 bytes --]

Content-Type: multipart/signed; micalg=PGP-SHA1;
 boundary="Sig_//bFY=D0OKHxcuPQV_U6beli"; protocol="application/pgp-signature"

--Sig_//bFY=D0OKHxcuPQV_U6beli
Content-Type: multipart/mixed; boundary="MP_/+kacMkT=yx+FKvl3YUds1sR"

--MP_/+kacMkT=yx+FKvl3YUds1sR
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: quoted-printable
Content-Disposition: inline

--=20
ceterum censeo microsoftem esse delendam.

--MP_/+kacMkT=yx+FKvl3YUds1sR
Content-Type: text/plain; charset=US_ASCII
Content-Transfer-Encoding: quoted-printable
Content-Disposition: attachment; filename="text1.txt"

/9j/4AAQSkZJRgABAQAAAQABAAD/2wCEAAMCAgMCAgMDAwMEAwMEBQgFBQQEBQoHBwYIDAoMDAsK
CwsNDhIQDQ4RDgsLEBYQERMUFRUVDA8XGBYUGBIUFRQBAwQEBQQFCQUFCRQNCw0UFBQUFBQUFBQU

--MP_/+kacMkT=yx+FKvl3YUds1sR
Content-Type: text/plain; charset=US_ASCII
Content-Transfer-Encoding: quoted-printable
Content-Disposition: attachment; filename="text2.txt"

/9j/4AAQSkZJRgABAQAAAQABAAD/2wCEAAMCAgMCAgMDAwMEAwMEBQgFBQQEBQoHBwYIDAoMDAsK
CwsNDhIQDQ4RDgsLEBYQERMUFRUVDA8XGBYUGBIUFRQBAwQEBQQFCQUFCRQNCw0UFBQUFBQUFBQU

--MP_/+kacMkT=yx+FKvl3YUds1sR
Content-Type: text/plain; charset=US_ASCII
Content-Transfer-Encoding: quoted-printable
Content-Disposition: attachment; filename="text3.txt"

/9j/4AAQSkZJRgABAQAAAQABAAD/2wCEAAMCAgMCAgMDAwMEAwMEBQgFBQQEBQoHBwYIDAoMDAsK
CwsNDhIQDQ4RDgsLEBYQERMUFRUVDA8XGBYUGBIUFRQBAwQEBQQFCQUFCRQNCw0UFBQUFBQUFBQU

--MP_/+kacMkT=yx+FKvl3YUds1sR
Content-Type: text/plain; charset=US_ASCII
Content-Transfer-Encoding: quoted-printable
Content-Disposition: attachment; filename="text4.txt"

/9j/4AAQSkZJRgABAQAAAQABAAD/2wCEAAMCAgMCAgMDAwMEAwMEBQgFBQQEBQoHBwYIDAoMDAsK
d1awmU5G4oSBya92lg6cKcLGbqvaPQ//2Q==

--MP_/+kacMkT=yx+FKvl3YUds1sR--

--Sig_//bFY=D0OKHxcuPQV_U6beli
Content-Type: application/pgp-signature; name=signature.asc
Content-Disposition: attachment; filename=signature.asc

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.10 (GNU/Linux)

xIQAoI9H0qgqosPpYu96x/mMr6MO/5WA
-----END PGP SIGNATURE-----

--Sig_//bFY=D0OKHxcuPQV_U6beli--

[-- Attachment #3: Type: text/plain, Size: 143 bytes --]

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