I'm just sending a simple mail from my Gmail account with an embedded
gif image.
I can perfectly read it from my mail servlet handler but when I try to
relay it (cf. code from first message) I get this annoying "Converting
attachment data failed" error which seems to be specific to GAE.
Here is the mail sent data :
MIME-Version: 1.0
Sender: x...@gmail.com
Received: by 10.142.204.15 with HTTP; Wed, 18 Nov 2009 13:57:20 -0800
(PST)
Date: Wed, 18 Nov 2009 22:57:20 +0100
Delivered-To: x...@gmail.com
X-Google-Sender-Auth: c9f34852bdb4f249
Message-ID:
<75c1488c0911181357w4e8efdc2r7e82d8e1c3e03...@mail.gmail.com>
Subject: Test
From: Francois MASUREL <x...@mably.com>
To: contact-test <contact-t...@webwinewatch.appspotmail.com>
Content-Type: multipart/related; boundary=001636e90e61aa516e0478ac5398
--001636e90e61aa516e0478ac5398
Content-Type: multipart/alternative;
boundary=001636e90e61aa516b0478ac5397
--001636e90e61aa516b0478ac5397
Content-Type: text/plain; charset=UTF-8
[image:
?
ui=2&view=att&th=125094c9bff3199b&attid=0.1&disp=attd&realattid=ii_125094c9bff3199b&zw]
--001636e90e61aa516b0478ac5397
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable
<img title=3D"?
ui=3D2&view=3Datt&th=3D125094c9bff3199b&attid=3D=
0.1&disp=3Dattd&realattid=3Dii_125094c9bff3199b&zw"
alt=3D"?ui=
=3D2&view=3Datt&th=3D125094c9bff3199b&attid=3D0.1&disp=3Dat=
td&realattid=3Dii_125094c9bff3199b&zw"
src=3D"cid:ii_125094c9bff319=
9b"><br>
<br>
--001636e90e61aa516b0478ac5397--
--001636e90e61aa516e0478ac5398
Content-Type: image/gif; name="enveloppe.gif"
Content-Transfer-Encoding: base64
Content-ID: <ii_125094c9bff3199b>
X-Attachment-Id: ii_125094c9bff3199b
R0lGODlhEAAQAPeYAP39/tHR5MrK4fLy99PT6NfX6Nvb6/
f3+ff3+uDg7sPD3fHx9ra206qqyrKy
0eLi8Onp8bCwz
+jo8cvL4WVlm7y81cLC2fPz96ysyrCwzcXF3c7O487O4tDQ5Le30+fn8cvL4ufn
8PDw9/Ly+fDw9PLy+N7e66Skx8/
P46mpymBglNLS5KKixoWFsYaGs56ewNXV5pqawKyszuTk7pyc
wdra6Pr6/
Ht7qnt7qXl5qry82LGx0MbG3pCQsrOz0qyszZubucjI3eLi7eDg6eDg7X5+rJSUu9zc
54uLtvz8/b+/2KenyPX1+K6uzpmZwOvr9a6uz8XF3Ovr9tLS5uPj8Hx8qvv7/
ZiYwLm50NPT5tjY
6K+v0M7O5IGBqtzc68/
P3mpqnoeHsLCwynJypNjY60ZGgJ2dw1hYjc7O4bi40nh4qWlpnNjY5fn5
+5SUvcTE2oCAqbOz0Le31tzc7L292vj4+sPD2by81unp8s/P5s3N3fPz
+VxckqOjyHZ2psLC23p6
pt3d7d7e7PDw+L292JOTu/z8/Kury7Ozyra20ubm8MTE1/b2/Pn5/
Hd3qJCQvOnp876+2tHR5tHR
4oaGrbW10pmZv/7+/v///
wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACH5BAEAAJgALAAAAAAQABAA
AAjlADEJHCiwzSQjamYQXIjAAo0fAq5gWChwgB03PiBdkhDkxgKCITywiLLn0qUkU2A4ESPQRKIm
K5iYNIlHCREefg5gMjNBBICZAKx4SUGlQA4smOJw
+BAAjaJLABh1aBCITJ8uNmrIuDRAS4Uldwyk
OZQFhQIKXxCcEGLSkCBLOKowoKNDARJKmN5AMQmghIBIEfKAICTnURlMFwotuNQogYYHcwJsYDDm
DCKBGXZcGiQpgIECf1zwAUJiIIQWI6RwSUAghooeQyi
+cPCEwBYwcI5QFMimSCVHgPTsHlgnzJpF
OncHBAA7
--001636e90e61aa516e0478ac5398--
On Nov 18, 10:34 pm, "Ikai L (Google)" <ika...@google.com> wrote:
> François,
>
> I'm not familiar with any standards with regard to inline images. Do you
> have this working outside of App Engine? Do you have working code from that?
> If there are discrepancies in our implementation of javax.mail.* and
> standard implementations we should be aware.
>
> On Mon, Nov 16, 2009 at 10:30 PM, mably <fm2...@mably.com> wrote:
> > In fact standards attachments works.
>
> > But it's not what I'm trying do do.
>
> > I'm need to relay HTML messages with inline images and this is still
> > not working.
>
> > Is it a kind of limitation of GAE or is it supposed to work ?
>
> > Thanx for your help.
>
> > François
>
> > On 16 nov, 23:09, mably <fm2...@mably.com> wrote:
> > > Hi Ikai, thanx for you help.
>
> > > I've copy pasted your code on my webapp (webwinewatch), I've no error
> > > but the mail isn't correctly relayed, all attachements are removed.
>
> > > I've just modified the sender, from and recipient lines :
>
> > > message.setSender(new InternetAddress("<myaddress>@gmail.com", "Relay
> > > account"));
> > > message.setFrom(message.getSender());
> > > message.setRecipient(Message.RecipientType.TO, message.getSender());
>
> > > Do you have any clue ?
>
> > > You can test it, sending an email to : contact-
> > > t...@webwinewatch.appspotmail.com
>
> > > Thanx again for your help.
>
> > > On 16 nov, 21:35, "Ikai L (Google)" <ika...@google.com> wrote:
>
> > > > I couldn't reproduce your exact error, but I was able to put together a
> > > > working example of an inbound email handler to relay messages. I'm
> > going to
> > > > expand the documentation about processing inbound emails. Here's some
> > > > working code:http://pastie.org/701517
>
> > > > Does this example help any? Code is also pasted below, but it'll be
> > easier
> > > > for you to look at the Pastie.
>
> > > > import javax.servlet.http.HttpServlet;
> > > > import javax.servlet.http.HttpServletRequest;
> > > > import javax.servlet.http.HttpServletResponse;
> > > > import javax.servlet.ServletException;
> > > > import javax.mail.*;
> > > > import javax.mail.util.ByteArrayDataSource;
> > > > import javax.mail.internet.MimeMessage;
> > > > import javax.mail.internet.MimeMultipart;
> > > > import javax.mail.internet.MimeBodyPart;
> > > > import javax.mail.internet.InternetAddress;
> > > > import javax.activation.DataHandler;
> > > > import java.io.IOException;
> > > > import java.io.InputStream;
> > > > import java.util.logging.Logger;
> > > > import java.util.Properties;
>
> > > > public class MailHandlerServlet extends HttpServlet {
> > > > private static final Logger log =
> > > > Logger.getLogger(MailHandlerServlet.class.getName());
> > > > private static final String RECIPIENT = "recipi...@gmail.com";
> > > > private static final String SENDER = "sen...@google.com";
>
> > > > protected void doPost(HttpServletRequest request,
> > HttpServletResponse
> > > > response) throws ServletException, IOException {
> > > > Properties props = new Properties();
> > > > Session session = Session.getDefaultInstance(props, null);
> > > > try {
> > > > MimeMessage message = new MimeMessage(session,
> > > > request.getInputStream());
>
> > > > Object content = message.getContent(); // You could also
> > > > probably just use message.getInputStream() here
> > > > // and avoid the
> > > > conditional type check
>
> > > > if (content instanceof String) {
> > > > log.info("Received a string");
> > > > } else if (content instanceof InputStream) {
> > > > // My somewhat limited testing indicates that this is
> > always
> > > > getting returned as an
> > > > // InputStream
>
> > > > InputStream inputStream = (InputStream) content;
> > > > ByteArrayDataSource inboundDataSource = new
> > > > ByteArrayDataSource(inputStream, message.getContentType());
> > > > Multipart inboundMultipart = new
> > > > MimeMultipart(inboundDataSource);
>
> > > > // Set the body with whatever text you want
> > > > Multipart outboundMultipart = new MimeMultipart();
> > > > MimeBodyPart messageBodyPart = new MimeBodyPart();
> > > > messageBodyPart.setText("Set your body here");
> > > > outboundMultipart.addBodyPart(messageBodyPart);
>
> > > > // Loop over the multipart message coming in and
> > > > // append them to the outbound Multipart object
> > > > for (int i = 0; i < inboundMultipart.getCount(); i++) {
> > > > BodyPart part = inboundMultipart.getBodyPart(i);
> > > > /*
> > > > The content-disposition header is optional:
> > > > http://www.ietf.org/rfc/rfc1806.txt
>
> > > > This header specifies the filename and type of
> > > > a MIME part.
> > > > */
> > > > if(part.getDisposition() == null) {
> > > > // This is just a plain text email
> > > > } else {
> > > > // We have something interesting. Let's parse
> > it.
>
> > > > // Create a new ByteArrayDataSource with this
> > part
> > > > MimeBodyPart inboundMimeBodyPart =
> > (MimeBodyPart)
> > > > part;
> > > > InputStream is = part.getInputStream();
> > > > ByteArrayDataSource mimePartDataSource = new
> > > > ByteArrayDataSource(is, inboundMimeBodyPart.getContentType());
>
> > > > // Create a new outbound MimeBodyPart and set
> > this
> > > > as the handler
> > > > MimeBodyPart outboundMimeBodyPart = new
> > > > MimeBodyPart();
> > > > outboundMimeBodyPart.setDataHandler(new
> > > > DataHandler(mimePartDataSource));
>
> > > > outboundMimeBodyPart.setFileName(inboundMimeBodyPart.getFileName());
>
> > outboundMultipart.addBodyPart(outboundMimeBodyPart);
>
> > > > }
>
> > > > }
> > > > message.setContent(outboundMultipart);
>
> > > > }
> > > > message.setFrom(new InternetAddress(SENDER, "Relay
> > account"));
> > > > message.setRecipient(Message.RecipientType.TO, new
> > > > InternetAddress(RECIPIENT, "Recipient"));
>
> > > > Transport.send(message);
>
> > > > } catch (MessagingException e) {
> > > > throw new ServletException(e);
> > > > }
> > > > }
>
> > > > }
> > > > On Sat, Nov 14, 2009 at 1:11 AM, mably <fm2...@mably.com> wrote:
> > > > > Hi Ikai, have you been able to reproduce my "Converting attachment
> > > > > data failed" exception ?
>
> > > > > I'm still stuck on this strange bug.
>
> > > > > Thanx for your help.
>
> > > > > On 11 nov, 00:00, mably <fm2...@mably.com> wrote:
> > > > > > Of course, here is below my email relay servlet class. What I'm
> > > > > > willing to do is to hide my customers email addresses by relaying
> > > > > > email to them via my google app email adress.
>
> > > > > > I would like to be able to relay html emails with images which is
> > > > > > quite common nowadays. I am sending my test emails from a gmail
> > > > > > account.
>
> > > > > > Thanx for your help.
>
> > > > > > /*
> > > > > > * Copyright (C) 2009 Francois Masurel
> > > > > > *
> > > > > > * This program is free software: you can redistribute it and/or
> > > > > > modify
> > > > > > * it under the terms of the GNU General Public License as
> > published
> > > > > > by
> > > > > > * the Free Software Foundation, either version 3 of the License,
> > or
> > > > > > * any later version.
> > > > > > *
> > > > > > * This program is distributed in the hope that it will be useful,
> > > > > > * but WITHOUT ANY WARRANTY; without even the implied warranty of
> > > > > > * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> > > > > > * GNU General Public License for more details.
> > > > > > *
> > > > > > * You should have received a copy of the GNU General Public
> > License
> > > > > > * along with this program. If not, see <
> >http://www.gnu.org/licenses/>.
>
> > > > > > */
>
> > > > > > package com.mably.cms.web;
>
> > > > > > import java.io.IOException;
> > > > > > import java.io.InputStream;
> > > > > > import java.util.Arrays;
> > > > > > import java.util.Properties;
>
> > > > > > import javax.activation.DataHandler;
> > > > > > import javax.activation.DataSource;
> > > > > > import javax.mail.BodyPart;
> > > > > > import javax.mail.Message;
> > > > > > import javax.mail.MessagingException;
> > > > > > import javax.mail.Multipart;
> > > > > > import javax.mail.Session;
> > > > > > import javax.mail.Transport;
> > > > > > import javax.mail.internet.InternetAddress;
> > > > > > import javax.mail.internet.MimeBodyPart;
> > > > > > import javax.mail.internet.MimeMessage;
> > > > > > import javax.mail.internet.MimeMultipart;
> > > > > > import javax.mail.internet.MimeMessage.RecipientType;
> > > > > > import javax.mail.util.ByteArrayDataSource;
> > > > > > import javax.servlet.ServletException;
> > > > > > import javax.servlet.http.HttpServlet;
> > > > > > import javax.servlet.http.HttpServletRequest;
> > > > > > import javax.servlet.http.HttpServletResponse;
>
> > > > > > import org.slf4j.Logger;
> > > > > > import org.slf4j.LoggerFactory;
>
> > > > > > import com.google.inject.Inject;
> > > > > > import com.google.inject.Singleton;
> > > > > > import com.mably.cms.model.ContentManager;
> > > > > > import com.mably.cms.utils.TraitementStream;
>
> > > > > > /**
> > > > > > * @author f.masurel
> > > > > > *
> > > > > > */
> > > > > > @Singleton
> > > > > > public class ContactMailServlet extends HttpServlet {
>
> > > > > > /** serialVersionUID. */
>
> ...
>
> read more »
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