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phorge-phorge/scripts/mail/mail_handler.php
David Reuss dc0d3f3fef Fix encodings for mime headers and body if not UTF-8
Summary:
If mails are not sent in UTF-8 we cannot just it verbatim, so we have to
encode it into UTF-8 if it is not the case. Mime headers use different
encodings like "quoted-printable", which we have to handle.

It looks like "Subject: =?iso-8859-1?Q?opr=E6t_s=E5_den_task?=", and can
be decoded by ##iconv_mime_decode##.

Furthermore the body of the email might be in various encodings as well,
which we attempt to pull from the content-type header of the plain text
part of the mail.

Test Plan:
Attempted receiving mails in a variety of flavors. These could be
converted to test-cases once i know if this is a sane solution. Got
expected results from mails sent with Windows-1252 and ISO-8859-1.

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, epriestley, davidreuss

Differential Revision: 1093
2011-12-02 08:47:45 -08:00

89 lines
2.7 KiB
PHP
Executable file

#!/usr/bin/env php
<?php
/*
* Copyright 2011 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
if ($argc > 1) {
$_SERVER['PHABRICATOR_ENV'] = $argv[1];
}
$root = dirname(dirname(dirname(__FILE__)));
require_once $root.'/scripts/__init_script__.php';
require_once $root.'/externals/mimemailparser/MimeMailParser.class.php';
phutil_require_module(
'phabricator',
'applications/metamta/storage/receivedmail');
phutil_require_module(
'phabricator',
'applications/files/storage/file');
$parser = new MimeMailParser();
$parser->setText(file_get_contents('php://stdin'));
$text_body = $parser->getMessageBody('text');
$text_body_headers = $parser->getMessageBodyHeaders('text');
$content_type = idx($text_body_headers, 'content-type');
if (
!phutil_is_utf8($text_body) &&
preg_match('/charset="(.*?)"/', $content_type, $matches)
) {
$text_body = mb_convert_encoding($text_body, "UTF-8", $matches[1]);
}
$headers = $parser->getHeaders();
$headers['subject'] = iconv_mime_decode($headers['subject'], 0, "UTF-8");
$headers['from'] = iconv_mime_decode($headers['from'], 0, "UTF-8");
$received = new PhabricatorMetaMTAReceivedMail();
$received->setHeaders($headers);
$received->setBodies(array(
'text' => $text_body,
'html' => $parser->getMessageBody('html'),
));
$attachments = array();
foreach ($parser->getAttachments() as $attachment) {
if (preg_match('@text/(plain|html)@', $attachment->getContentType()) &&
$attachment->getContentDisposition() == 'inline') {
// If this is an "inline" attachment with some sort of text content-type,
// do not treat it as a file for attachment. MimeMailParser already picked
// it up in the getMessageBody() call above. We still want to treat 'inline'
// attachments with other content types (e.g., images) as attachments.
continue;
}
$file = PhabricatorFile::newFromFileData(
$attachment->getContent(),
array(
'name' => $attachment->getFilename(),
));
$attachments[] = $file->getPHID();
}
try {
$received->setAttachments($attachments);
$received->save();
$received->processReceivedMail();
} catch (Exception $e) {
$received
->setMessage('EXCEPTION: '.$e->getMessage())
->save();
}