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|
#!/usr/bin/perl
# 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.
use 5.10.1;
use strict;
use warnings;
use lib qw(.. ../lib ../local/lib/perl5);
use Bugzilla ();
use Bugzilla::Constants qw( ERROR_MODE_DIE );
use Bugzilla::Mailer qw( MessageToMTA );
use Bugzilla::User ();
use Bugzilla::Util qw( html_quote remote_ip );
use JSON::XS qw( decode_json encode_json );
use LWP::UserAgent ();
use Try::Tiny qw( try catch );
Bugzilla->error_mode(ERROR_MODE_DIE);
try {
main();
} catch {
warn "SES: Fatal error: $_\n";
respond(500 => 'Internal Server Error');
};
sub main {
my $message = decode_json_wrapper(Bugzilla->cgi->param('POSTDATA')) // return;
my $message_type = $ENV{HTTP_X_AMZ_SNS_MESSAGE_TYPE} // '(missing)';
if ($message_type eq 'SubscriptionConfirmation') {
confirm_subscription($message);
}
elsif ($message_type eq 'Notification') {
my $notification = decode_json_wrapper($message->{Message}) // return;
my $notification_type = $notification->{notificationType} // '';
if ($notification_type eq 'Bounce') {
process_bounce($notification);
}
elsif ($notification_type eq 'Complaint') {
process_complaint($notification);
}
else {
warn "SES: Unsupported notification-type: $notification_type\n";
respond(200 => 'OK');
}
}
else {
warn "SES: Unsupported message-type: $message_type\n";
respond(200 => 'OK');
}
}
sub confirm_subscription {
my ($message) = @_;
my $subscribe_url = $message->{SubscribeURL};
if (!$subscribe_url) {
warn "SES: Bad SubscriptionConfirmation request: missing SubscribeURL\n";
respond(400 => 'Bad Request');
return;
}
my $ua = ua();
my $res = $ua->get($message->{SubscribeURL});
if (!$res->is_success) {
warn "SES: Bad response from SubscribeURL: " . $res->status_line . "\n";
respond(400 => 'Bad Request');
return;
}
respond(200 => 'OK');
}
sub process_bounce {
my ($notification) = @_;
my $type = $notification->{bounce}->{bounceType};
# these should be infrequent and hopefully small
warn("SES: notification: " . encode_json($notification));
if ($type eq 'Transient') {
# just log transient bounces
foreach my $recipient (@{ $notification->{bounce}->{bouncedRecipients} }) {
my $address = $recipient->{emailAddress};
Bugzilla->audit("SES: transient bounce for <$address>");
}
}
elsif ($type eq 'Permanent') {
# disable each account that is permanently bouncing
foreach my $recipient (@{ $notification->{bounce}->{bouncedRecipients} }) {
my $address = $recipient->{emailAddress};
my $reason = sprintf('(%s) %s', $recipient->{action} // 'error',
$recipient->{diagnosticCode} // 'unknown');
my $user = Bugzilla::User->new({ name => $address, cache => 1 });
if ($user) {
# never auto-disable admin accounts
if ($user->in_group('admin')) {
Bugzilla->audit("SES: ignoring permanent bounce for admin <$address>: $reason");
}
else {
my $template = Bugzilla->template_inner();
my $vars = {
mta => $notification->{bounce}->{reportingMTA} // 'unknown',
reason => $reason,
};
my $disable_text;
$template->process('admin/users/bounce-disabled.txt.tmpl', $vars, \$disable_text)
|| die $template->error();
$user->set_disabledtext($disable_text);
$user->set_disable_mail(1);
$user->update();
Bugzilla->audit("SES: permanent bounce for <$address> disabled userid-" . $user->id . ": $reason");
}
}
else {
Bugzilla->audit("SES: permanent bounce for <$address> has no user: $reason");
}
}
}
else {
warn "SES: Unsupported bounce type: $type\n";
}
respond(200 => 'OK');
}
sub process_complaint {
# email notification to bugzilla admin
my ($notification) = @_;
my $template = Bugzilla->template_inner();
my $json = JSON::XS->new->pretty->utf8->canonical;
foreach my $recipient (@{ $notification->{complaint}->{complainedRecipients} }) {
my $reason = $notification->{complaint}->{complaintFeedbackType} // 'unknown';
my $address = $recipient->{emailAddress};
Bugzilla->audit("SES: complaint for <$address> for '$reason'");
my $vars = {
email => $address,
user => Bugzilla::User->new({ name => $address, cache => 1 }),
reason => $reason,
notification => $json->encode($notification),
};
my $message;
$template->process('email/ses-complaint.txt.tmpl', $vars, \$message)
|| die $template->error();
MessageToMTA($message);
}
respond(200 => 'OK');
}
sub respond {
my ($code, $message) = @_;
print Bugzilla->cgi->header(
-status => "$code $message",
);
# apache will generate non-200 response pages for us
say html_quote($message) if $code == 200;
}
sub decode_json_wrapper {
my ($json) = @_;
my $result;
if (!defined $json) {
warn 'SES: Missing JSON from ' . remote_ip() . "\n";
respond(400 => 'Bad Request');
return undef;
}
my $ok = try {
$result = decode_json($json);
}
catch {
warn 'SES: Malformed JSON from ' . remote_ip() . "\n";
respond(400 => 'Bad Request');
return undef;
};
return $ok ? $result : undef;
}
sub ua {
my $ua = LWP::UserAgent->new();
$ua->timeout(10);
$ua->protocols_allowed(['http', 'https']);
if (my $proxy_url = Bugzilla->params->{'proxy_url'}) {
$ua->proxy(['http', 'https'], $proxy_url);
}
else {
$ua->env_proxy;
}
return $ua;
}
|
