Invalid characters in attachment name
miknaz opened this issue · comments
What I did:
sent email to my inbox with attachment with such name: imgæ÷ü.
Then I fetched mime and parsed it like this:
envelope, _ := enmime.ReadEnvelope(strings.NewReader(mime))
And this is the part from mime from attachment headers:
Content-Type: image/jpeg; name="=?UTF-8?B?aW1nw6bDt8O8LmpwZWc=?="
Content-Disposition: attachment; filename="=?UTF-8?B?aW1nw6bDt8O8LmpwZWc=?="
Content-Transfer-Encoding: base64
Content-ID: <f_kgbbb1j80>
X-Attachment-Id: f_kgbbb1j80
And also subject and html from mime:
Subject: =?UTF-8?B?aW1nw6bDt8O8IHNmc2RmZHM=?=
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
<div dir=3D"ltr">img=C3=A6=C3=B7=C3=BC sdfsdfds<br></div>
What I expected:
I expected to get attachment filename parsed correctly.
What I got:
This is the code to get filename, subject, html/text body:
envelope, _ := enmime.ReadEnvelope(strings.NewReader(mime))
for _, attachment := range envelope.Attachments {
log2.Println(attachment.FileName)
}
log2.Println(envelope.GetHeader("subject"))
log2.Println(envelope.HTML)
log2.Println(envelope.Text)
for attachment filename I got img���.jpeg. But subject and body appears correctly:
Subject: imgæ÷ü sfsdfds
Body:
<div dir="ltr">imgæ÷ü sdfsdfds<br></div>
Release or branch I am using:
the latest 0.8.2
(Please attach a sample message if you feel it will help reproduce the issue)
Received: from mxfront2q.mail.yandex.net (localhost [127.0.0.1])
by mxfront2q.mail.yandex.net with LMTP id EnPQP5jE1C-IvB2GUJs
for <email@gmail.com>; Fri, 16 Oct 2020 00:05:50 +0300
Received: from mail.google.com (mail.google.com [44:44:44:44::44])
by mxq.mail.yandex.net (mxfront/Yandex) with ESMTPS id LaVjYXR-5nKKPs;
Fri, 16 Oct 2020 00:05:50 +0300
(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits))
(Client certificate not present)
Return-Path: email@gmail.com
X-Yandex-Front: mxfront2q.mail.yandex.net
X-Yandex-TimeMark: 1602795950.007
Authentication-Results: mxfront2q.mail.yandex.net; spf=pass (mxfront2q.mail.yandex.net: domain of gmail.com designates as permitted sender, rule=[ip6:20:f0:0::/6]) smtp.mail=email@gmail.com; dkim=pass header.i=@gmail.com
X-Yandex-Suid-Status: 1 1201536925
X-Yandex-Spam: 1
X-Yandex-Fwd: ODEzNzI3NDQxMjY2MjMyMDM1MDI4NDU4
Received: by mail.google.com with SMTP id w16ilg.8
for <email@gmail.com>; Thu, 15 Oct 2020 14:05:49 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=gmail.com; s=20161025;
h=mime-version:from:date:message-id:subject:to;
bh=Bnbs3XhGFlBfldAzYMeh+MXlhSbmkpqe2ssgrcOmkt0=;
b=bNaFyjQFyVIczLei33TKtcmSEB0s0wutc44Pkfd/SH6tWXwxJqH3Vh4ihJmmiISlwr
QoXpPF4CDJkGk0RPjYfo+uv05xP9VvD6TqSO2P63C28PTlAmR
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8IV4DWPRYqhgEpS8l7shNXiczcMf2Q1IwPuP+VwiApRGZn+g6yCSumbnqz4F4XDzBDml
GnnQ==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=1e100.net; s=20161025;
h=x-gm-message-state:mime-version:from:date:message-id:subject:to;
bh=Bnbs3XhGFlBfldAzYMeh+MXlhSbmkpqe2ssgrcOmkt0=;
b=XQ9Ix3kNIlkPY1FfCIISCrGPAklS4mwjCb2ppLNo16qlqyvHq9/gdw17ugV1NXfMcJ
rSOvl7dqeYet29nSY3PwTezDWS7B3vn+2nyn
JpSYcWgn5ZoQvUkezA+ph5nNmPMBwzA1inH0ASZtYpxglchkR1AmKWW8SSCQioXH6Nhq
KA65ZdVB/6VY4r0Ekx7Y0ZECrPzpnqQH2LC6mhQ+/0mRq1KErWXD1B/4xhVIhPmTvpO/
0Gqbu+QcUaKIISe1I/h8pbFcsiE36jD5O31uSnVygaK08nlbmc5fmyDaYcnFLEL7xUn+
Fh2g==
X-Gm-Message-State: AOAM533ZjIZZbOaniBMJx4PV/zHSP/CkKJgna
AcRJO77hcvZzpTl8qfy/oUM8MY1rgfMeZxnJ43V
X-Google-Smtp-Source: ABdhPJziScHJ9N8xrkoM3+dcAwU3Qj+Cib8dq77yiRzsmUJJj0TRF5tQflsYDY=
X-Received: by 2002:a92:c00c:: with SMTP id q12mr349098ild.274.1602795948328;
Thu, 15 Oct 2020 14:05:48 -0700 (PDT)
MIME-Version: 1.0
From: Name <email@gmail.com>
Date: Fri, 16 Oct 2020 00:05:37 +0300
Message-ID: <CAARQBnh7gcSMEf=mA7OMcu4zEPZ5ipucv+N9LqrWcJ3Ch+ODkQ@mail.gmail.com>
Subject: =?UTF-8?B?aW1nw6bDt8O8IHNmc2RmZHM=?=
To: email@gmail.com
Content-Type: multipart/mixed; boundary="00000000000026eb4205b1bc0340"
X-Yandex-Forward: 7ca2fcfcfc9f649b55e9fa4023d1de9a
--00000000000026eb4205b1bc0340
Content-Type: multipart/alternative; boundary="00000000000026eb4005b1bc033e"
--00000000000026eb4005b1bc033e
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: base64
aW1nw6bDt8O8IHNkZnNkZmRzDQo=
--00000000000026eb4005b1bc033e
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
<div dir=3D"ltr">img=C3=A6=C3=B7=C3=BC sdfsdfds<br></div>
--00000000000026eb4005b1bc033e--
--00000000000026eb4205b1bc0340
Content-Type: image/jpeg; name="=?UTF-8?B?aW1nw6bDt8O8LmpwZWc=?="
Content-Disposition: attachment; filename="=?UTF-8?B?aW1nw6bDt8O8LmpwZWc=?="
Content-Transfer-Encoding: base64
Content-ID: <f_kgbbb1j80>
X-Attachment-Id: f_kgbbb1j80
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--00000000000026eb4205b1bc0340--
It works! Sorry, I used 0.8.0 version. Thank you a lot for useful package!!!