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imapsync_runner.pl
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imapsync_runner.pl
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#!/usr/bin/perl
use DBI;
use LockFile::Simple qw(lock trylock unlock);
use Proc::ProcessTable;
use Data::Dumper qw(Dumper);
use IPC::Run 'run';
use File::Temp;
use Try::Tiny;
use sigtrap 'handler' => \&sig_handler, qw(INT TERM KILL QUIT);
sub trim { my $s = shift; $s =~ s/^\s+|\s+$//g; return $s };
my $t = Proc::ProcessTable->new;
my $imapsync_running = grep { $_->{cmndline} =~ /imapsync\s/i } @{$t->table};
if ($imapsync_running ge 1)
{
print "imapsync is active, exiting...";
exit;
}
sub qqw($) {
my @params = ();
my @values = split(/(?=--)/, $_[0]);
foreach my $val (@values) {
my @tmpparam = split(/ /, $val, 2);
foreach my $tmpval (@tmpparam) {
if ($tmpval ne '') {
push @params, $tmpval;
}
}
}
foreach my $val (@params) {
$val=trim($val);
}
return @params;
}
$run_dir="/tmp";
$dsn = 'DBI:mysql:database=' . $ENV{'DBNAME'} . ';mysql_socket=/var/run/mysqld/mysqld.sock';
$lock_file = $run_dir . "/imapsync_busy";
$lockmgr = LockFile::Simple->make(-autoclean => 1, -max => 1);
$lockmgr->lock($lock_file) || die "can't lock ${lock_file}";
$dbh = DBI->connect($dsn, $ENV{'DBUSER'}, $ENV{'DBPASS'}, {
mysql_auto_reconnect => 1,
mysql_enable_utf8mb4 => 1
});
$dbh->do("UPDATE imapsync SET is_running = 0");
sub sig_handler {
# Send die to force exception in "run"
die "sig_handler received signal, preparing to exit...\n";
};
open my $file, '<', "/etc/sogo/sieve.creds";
my $creds = <$file>;
close $file;
my ($master_user, $master_pass) = split /:/, $creds;
my $sth = $dbh->prepare("SELECT id,
user1,
user2,
host1,
authmech1,
password1,
exclude,
port1,
enc1,
delete2duplicates,
maxage,
subfolder2,
delete1,
delete2,
automap,
skipcrossduplicates,
maxbytespersecond,
custom_params,
subscribeall,
timeout1,
timeout2,
dry
FROM imapsync
WHERE active = 1
AND is_running = 0
AND (
UNIX_TIMESTAMP(NOW()) - UNIX_TIMESTAMP(last_run) > mins_interval * 60
OR
last_run IS NULL)
ORDER BY last_run");
$sth->execute();
my $row;
while ($row = $sth->fetchrow_arrayref()) {
$id = @$row[0];
$user1 = @$row[1];
$user2 = @$row[2];
$host1 = @$row[3];
$authmech1 = @$row[4];
$password1 = @$row[5];
$exclude = @$row[6];
$port1 = @$row[7];
$enc1 = @$row[8];
$delete2duplicates = @$row[9];
$maxage = @$row[10];
$subfolder2 = @$row[11];
$delete1 = @$row[12];
$delete2 = @$row[13];
$automap = @$row[14];
$skipcrossduplicates = @$row[15];
$maxbytespersecond = @$row[16];
$custom_params = @$row[17];
$subscribeall = @$row[18];
$timeout1 = @$row[19];
$timeout2 = @$row[20];
$dry = @$row[21];
if ($enc1 eq "TLS") { $enc1 = "--tls1"; } elsif ($enc1 eq "SSL") { $enc1 = "--ssl1"; } else { undef $enc1; }
my $template = $run_dir . '/imapsync.XXXXXXX';
my $passfile1 = File::Temp->new(TEMPLATE => $template);
my $passfile2 = File::Temp->new(TEMPLATE => $template);
binmode( $passfile1, ":utf8" );
print $passfile1 "$password1\n";
print $passfile2 trim($master_pass) . "\n";
my @custom_params_a = qqw($custom_params);
my $custom_params_ref = \@custom_params_a;
my $generated_cmds = [ "/usr/local/bin/imapsync",
"--tmpdir", "/tmp",
"--nofoldersizes",
"--addheader",
($timeout1 gt "0" ? () : ('--timeout1', $timeout1)),
($timeout2 gt "0" ? () : ('--timeout2', $timeout2)),
($exclude eq "" ? () : ("--exclude", $exclude)),
($subfolder2 eq "" ? () : ('--subfolder2', $subfolder2)),
($maxage eq "0" ? () : ('--maxage', $maxage)),
($maxbytespersecond eq "0" ? () : ('--maxbytespersecond', $maxbytespersecond)),
($delete2duplicates ne "1" ? () : ('--delete2duplicates')),
($subscribeall ne "1" ? () : ('--subscribeall')),
($delete1 ne "1" ? () : ('--delete')),
($delete2 ne "1" ? () : ('--delete2')),
($automap ne "1" ? () : ('--automap')),
($skipcrossduplicates ne "1" ? () : ('--skipcrossduplicates')),
(!defined($enc1) ? () : ($enc1)),
"--host1", $host1,
"--user1", $user1,
"--passfile1", $passfile1->filename,
"--port1", $port1,
"--host2", "localhost",
"--user2", $user2 . '*' . trim($master_user),
"--passfile2", $passfile2->filename,
($dry eq "1" ? ('--dry') : ()),
'--no-modulesversion',
'--noreleasecheck'];
try {
$is_running = $dbh->prepare("UPDATE imapsync SET is_running = 1, success = NULL, exit_status = NULL WHERE id = ?");
$is_running->bind_param( 1, ${id} );
$is_running->execute();
run [@$generated_cmds, @$custom_params_ref], '&>', \my $stdout;
# check exit code and status
($exit_code, $exit_status) = ($stdout =~ m/Exiting\swith\sreturn\svalue\s(\d+)\s\(([^:)]+)/);
$success = 0;
if (defined $exit_code && $exit_code == 0) {
$success = 1;
}
$update = $dbh->prepare("UPDATE imapsync SET returned_text = ?, success = ?, exit_status = ? WHERE id = ?");
$update->bind_param( 1, ${stdout} );
$update->bind_param( 2, ${success} );
$update->bind_param( 3, ${exit_status} );
$update->bind_param( 4, ${id} );
$update->execute();
} catch {
$update = $dbh->prepare("UPDATE imapsync SET returned_text = 'Could not start or finish imapsync', success = 0 WHERE id = ?");
$update->bind_param( 1, ${id} );
$update->execute();
} finally {
$update = $dbh->prepare("UPDATE imapsync SET last_run = NOW(), is_running = 0 WHERE id = ?");
$update->bind_param( 1, ${id} );
$update->execute();
};
}
$sth->finish();
$dbh->disconnect();
$lockmgr->unlock($lock_file);

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