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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
#
# This Source Code Form is "Incompatible With Secondary Licenses", as
# defined by the Mozilla Public License, v. 2.0.
package Bugzilla::Mailer;
use 5.10.1;
use strict;
use base qw(Exporter);
@Bugzilla::Mailer::EXPORT = qw(MessageToMTA build_thread_marker);
use Bugzilla::Constants;
use Bugzilla::Error;
use Bugzilla::Hook;
use Bugzilla::Util;
use Date::Format qw(time2str);
use Encode qw(encode);
use Encode::MIME::Header;
use Email::Address;
use Email::MIME;
use Email::Send;
sub MessageToMTA {
my ($msg, $send_now) = (@_);
my $method = Bugzilla->params->{'mail_delivery_method'};
return if $method eq 'None';
if (Bugzilla->params->{'use_mailer_queue'} and !$send_now) {
Bugzilla->job_queue->insert('send_mail', { msg => $msg });
return;
}
my $email;
if (ref $msg) {
$email = $msg;
}
else {
# RFC 2822 requires us to have CRLF for our line endings and
# Email::MIME doesn't do this for us. We use \015 (CR) and \012 (LF)
# directly because Perl translates "\n" depending on what platform
# you're running on. See http://perldoc.perl.org/perlport.html#Newlines
# We check for multiple CRs because of this Template-Toolkit bug:
# https://rt.cpan.org/Ticket/Display.html?id=43345
$msg =~ s/(?:\015+)?\012/\015\012/msg;
$email = new Email::MIME($msg);
}
# We add this header to uniquely identify all email that we
# send as coming from this Bugzilla installation.
#
# We don't use correct_urlbase, because we want this URL to
# *always* be the same for this Bugzilla, in every email,
# even if the admin changes the "ssl_redirect" parameter some day.
$email->header_set('X-Bugzilla-URL', Bugzilla->params->{'urlbase'});
# We add this header to mark the mail as "auto-generated" and
# thus to hopefully avoid auto replies.
$email->header_set('Auto-Submitted', 'auto-generated');
# MIME-Version must be set otherwise some mailsystems ignore the charset
$email->header_set('MIME-Version', '1.0') if !$email->header('MIME-Version');
# Encode the headers correctly in quoted-printable
foreach my $header ($email->header_names) {
my @values = $email->header($header);
# We don't recode headers that happen multiple times.
next if scalar(@values) > 1;
if (my $value = $values[0]) {
if (Bugzilla->params->{'utf8'} && !utf8::is_utf8($value)) {
utf8::decode($value);
}
# avoid excessive line wrapping done by Encode.
local $Encode::Encoding{'MIME-Q'}->{'bpl'} = 998;
my $encoded = encode('MIME-Q', $value);
$email->header_set($header, $encoded);
}
}
my $from = $email->header('From');
my ($hostname, @args);
my $mailer_class = $method;
if ($method eq "Sendmail") {
$mailer_class = 'Bugzilla::Send::Sendmail';
if (ON_WINDOWS) {
$Email::Send::Sendmail::SENDMAIL = SENDMAIL_EXE;
}
push @args, "-i";
# We want to make sure that we pass *only* an email address.
if ($from) {
my ($email_obj) = Email::Address->parse($from);
if ($email_obj) {
my $from_email = $email_obj->address;
push(@args, "-f$from_email") if $from_email;
}
}
}
else {
# Sendmail will automatically append our hostname to the From
# address, but other mailers won't.
my $urlbase = Bugzilla->params->{'urlbase'};
$urlbase =~ m|//([^:/]+)[:/]?|;
$hostname = $1;
$from .= "\@$hostname" if $from !~ /@/;
$email->header_set('From', $from);
# Sendmail adds a Date: header also, but others may not.
if (!defined $email->header('Date')) {
$email->header_set('Date', time2str("%a, %d %b %Y %T %z", time()));
}
}
if ($method eq "SMTP") {
push @args, Host => Bugzilla->params->{"smtpserver"},
username => Bugzilla->params->{"smtp_username"},
password => Bugzilla->params->{"smtp_password"},
Hello => $hostname,
ssl => Bugzilla->params->{'smtp_ssl'},
Debug => Bugzilla->params->{'smtp_debug'};
}
Bugzilla::Hook::process('mailer_before_send',
{ email => $email, mailer_args => \@args });
$email->walk_parts(sub {
my ($part) = @_;
return if $part->parts > 1; # Top-level
my $content_type = $part->content_type || '';
$content_type =~ /charset=['"](.+)['"]/;
# If no charset is defined or is the default us-ascii,
# then we encode the email to UTF-8 if Bugzilla has utf8 enabled.
# XXX - This is a hack to workaround bug 723944.
if (!$1 || $1 eq 'us-ascii') {
my $body = $part->body;
if (Bugzilla->params->{'utf8'}) {
$part->charset_set('UTF-8');
# encoding_set works only with bytes, not with utf8 strings.
my $raw = $part->body_raw;
if (utf8::is_utf8($raw)) {
utf8::encode($raw);
$part->body_set($raw);
}
}
$part->encoding_set('quoted-printable') if !is_7bit_clean($body);
}
});
if ($method eq "Test") {
my $filename = bz_locations()->{'datadir'} . '/mailer.testfile';
open TESTFILE, '>>', $filename;
# From - <date> is required to be a valid mbox file.
print TESTFILE "\n\nFrom - " . $email->header('Date') . "\n" . $email->as_string;
close TESTFILE;
}
else {
# This is useful for both Sendmail and Qmail, so we put it out here.
local $ENV{PATH} = SENDMAIL_PATH;
my $mailer = Email::Send->new({ mailer => $mailer_class,
mailer_args => \@args });
my $retval = $mailer->send($email);
ThrowCodeError('mail_send_error', { msg => $retval, mail => $email })
if !$retval;
}
}
# Builds header suitable for use as a threading marker in email notifications
sub build_thread_marker {
my ($bug_id, $user_id, $is_new) = @_;
if (!defined $user_id) {
$user_id = Bugzilla->user->id;
}
my $sitespec = '@' . Bugzilla->params->{'urlbase'};
$sitespec =~ s/:\/\//\./; # Make the protocol look like part of the domain
$sitespec =~ s/^([^:\/]+):(\d+)/$1/; # Remove a port number, to relocate
if ($2) {
$sitespec = "-$2$sitespec"; # Put the port number back in, before the '@'
}
my $threadingmarker;
if ($is_new) {
$threadingmarker = "Message-ID: <bug-$bug_id-$user_id$sitespec>";
}
else {
my $rand_bits = generate_random_password(10);
$threadingmarker = "Message-ID: <bug-$bug_id-$user_id-$rand_bits$sitespec>" .
"\nIn-Reply-To: <bug-$bug_id-$user_id$sitespec>" .
"\nReferences: <bug-$bug_id-$user_id$sitespec>";
}
return $threadingmarker;
}
1;
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