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-rwxr-xr-ximapsync94
1 files changed, 62 insertions, 32 deletions
diff --git a/imapsync b/imapsync
index 00beec7..fec37f0 100755
--- a/imapsync
+++ b/imapsync
@@ -25,9 +25,9 @@ our $VERSION = '0.1';
my $NAME = 'imapsync';
use Getopt::Long qw/:config posix_default no_ignore_case gnu_compat
bundling auto_version/;
-
-use List::Util 'first';
use DBI ();
+use List::Util 'first';
+use POSIX 'strftime';
use lib 'lib';
use Net::IMAP::Sync qw/read_config compact_set $IMAP_text $IMAP_cond/;
@@ -39,17 +39,31 @@ delete @ENV{qw/IFS CDPATH ENV BASH_ENV/};
my %CONFIG;
sub usage(;$) {
my $rv = shift // 0;
- print STDERR "TODO $NAME usage\n";
+ print STDERR "$NAME [OPTIONS] [--] [MAILBOX [..]]\n";
+ if ($rv) {
+ print STDERR "Try '$NAME --help' or consult the manpage for more information.\n";
+ }
+ else {
+ print STDERR "Synchronize the given MAILBOXes between two QRESYNC-capable IMAP4rev1 servers.\n"
+ ."Options:\n"
+ ." --config=FILE Specify an alternate configuration file\n"
+ ." -1, --oneshot Exit as soon as all mailboxes are synchronized\n"
+ ." --repair List the database anomalies and try to repair them\n"
+ ." -q, --quiet Try to be quiet\n"
+ ." --debug Turn on debug mode\n"
+ ."Consult the manpage for more information.\n";
+ }
exit $rv;
}
-usage(1) unless GetOptions(\%CONFIG, qw/debug help|h config=s quiet|q oneshot|1 repair/);
+usage(1) unless GetOptions(\%CONFIG, qw/config=s quiet|q oneshot|1 repair debug help|h/);
usage(0) if $CONFIG{help};
my $CONF = read_config( delete $CONFIG{config} // $NAME
, [qw/_ local remote/]
- , database => qr/\A(\P{Control}+)\z/ );
-my ($DBFILE, $LOCKFILE);
+ , database => qr/\A(\P{Control}+)\z/
+ , logfile => qr/\A(\P{Control}+)\z/ );
+my ($DBFILE, $LOCKFILE, $LOGGER_FD);
{
$DBFILE = $CONF->{_}->{database} if defined $CONF->{_};
@@ -63,29 +77,36 @@ my ($DBFILE, $LOCKFILE);
$dir = $1;
$DBFILE = $dir .'/'. $DBFILE;
unless (-d $dir) {
- mkdir $dir, 0700 or die "Cannot mkdir $dir: $!\n";
+ mkdir $dir, 0700 or die "Can't mkdir $dir: $!\n";
}
}
$LOCKFILE = $DBFILE =~ s/([^\/]+)\z/.$1.lck/r;
+
+ if (defined $CONF->{_} and defined $CONF->{_}->{logfile}) {
+ open $LOGGER_FD, '>>', $CONF->{_}->{logfile}
+ or die "Can't open $CONF->{_}->{logfile}: $!\n";
+ $LOGGER_FD->autoflush(1);
+ }
}
my $DBH;
# Clean after us
sub cleanup() {
- print STDERR "Cleaning up...\n" if $CONFIG{debug};
+ logger("Cleaning up...") if $CONFIG{debug};
unlink $LOCKFILE if defined $LOCKFILE and -f $LOCKFILE;
+ close $LOGGER_FD if defined $LOGGER_FD;
$DBH->disconnect() if defined $DBH;
}
-$SIG{$_} = sub { cleanup(); print STDERR "$!\n"; exit 1; } foreach qw/INT TERM/;
-$SIG{$_} = sub { cleanup(); print STDERR "$!\n"; exit 0; } foreach qw/HUP/;
+$SIG{$_} = sub { cleanup(); msg($!); exit 1; } foreach qw/INT TERM/;
+$SIG{$_} = sub { cleanup(); msg($!); exit 0; } foreach qw/HUP/;
#############################################################################
# Lock the database
{
if (-f $LOCKFILE) {
- open my $lock, '<', $LOCKFILE or die "Cannot open $LOCKFILE: $!\n";
+ open my $lock, '<', $LOCKFILE or die "Can't open $LOCKFILE: $!\n";
my $pid = <$lock>;
close $lock;
chomp $pid;
@@ -94,7 +115,7 @@ $SIG{$_} = sub { cleanup(); print STDERR "$!\n"; exit 0; } foreach qw/HUP/;
die $msg, "\n";
}
- open my $lock, '>', $LOCKFILE or die "Cannot open $LOCKFILE: $!\n";
+ open my $lock, '>', $LOCKFILE or die "Can't open $LOCKFILE: $!\n";
print $lock $$, "\n";
close $lock;
}
@@ -167,9 +188,18 @@ $DBH->do('PRAGMA foreign_keys = ON');
sub msg($@) {
my $name = shift;
return unless @_;
+ logger($name, @_) if defined $LOGGER_FD and $LOGGER_FD ne \*STDERR;
my $prefix = defined $name ? "$name: " : '';
print STDERR $prefix, @_, "\n";
}
+sub logger($@) {
+ my $name = shift;
+ return unless @_ and defined $LOGGER_FD;
+ my $prefix = strftime "%b %e %H:%M:%S ", localtime;
+ $prefix .= "$name: " if defined $name;
+ $LOGGER_FD->say($prefix, @_);
+}
+logger(undef, ">>> $NAME $VERSION");
#############################################################################
@@ -181,6 +211,7 @@ foreach my $name (qw/local remote/) {
$config{$_} = $CONFIG{$_} foreach keys %CONFIG;
$config{enable} = 'QRESYNC';
$config{name} = $name;
+ $config{'logger-fd'} = $LOGGER_FD if defined $LOGGER_FD;
$IMAP->{$name} = { client => Net::IMAP::Sync::->new(%config) };
my $client = $IMAP->{$name}->{client};
@@ -589,7 +620,7 @@ sub download_missing($$$@) {
my $uid = $mail->{UID};
my $from = first { defined $_ and @$_ } @{$mail->{ENVELOPE}}[2,3,4];
$from = (defined $from and @$from) ? $from->[0]->[2].'@'.$from->[0]->[3] : '';
- print STDERR "$source($mailbox): UID $uid from <$from> ($mail->{INTERNALDATE})\n" unless $CONFIG{quiet};
+ msg("$source($mailbox): UID $uid from <$from> ($mail->{INTERNALDATE})") unless $CONFIG{quiet};
callback_new_message($idx, $mailbox, $source, $mail, \@uids, $buff, \$bufflen)
});
@@ -604,8 +635,8 @@ sub flag_conflict($$$$$) {
my %flags = map {$_ => 1} (split(/ /, $lFlags), split(/ /, $rFlags));
my $flags = join ' ', sort(keys %flags);
- warn "WARNING: Conflicting flag update in $mailbox for local UID $lUID ($lFlags) ".
- "and remote UID $rUID ($rFlags). Setting both to the union ($flags).\n";
+ msg("WARNING: Conflicting flag update in $mailbox for local UID $lUID ($lFlags) ".
+ "and remote UID $rUID ($rFlags). Setting both to the union ($flags).");
return $flags
}
@@ -616,7 +647,7 @@ sub delete_mapping($$) {
my ($idx, $lUID) = @_;
my $r = $STH_DELETE_MAPPING->execute($idx, $lUID);
die if $r > 1; # sanity check
- warn "WARNING: Can't delete (idx,lUID) = ($idx,$lUID) from the database\n" if $r == 0;
+ msg("WARNING: Can't delete (idx,lUID) = ($idx,$lUID) from the database") if $r == 0;
}
@@ -668,7 +699,7 @@ sub repair($$) {
}
else {
# conflict
- warn "WARNING: Missed flag update in $mailbox for (lUID,rUID) = ($lUID,$rUID). Repairing.\n"
+ msg("WARNING: Missed flag update in $mailbox for (lUID,rUID) = ($lUID,$rUID). Repairing.")
if $lModified->{$lUID}->[0] <= $cache->{lHIGHESTMODSEQ} and
$rModified->{$rUID}->[0] <= $cache->{rHIGHESTMODSEQ};
# set both $lUID and $rUID to the union of $lFlags and $rFlags
@@ -681,7 +712,7 @@ sub repair($$) {
}
elsif (!defined $lModified->{$lUID} and !defined $rModified->{$rUID}) {
unless ($lVanished{$lUID} and $rVanished{$rUID}) {
- warn "WARNING: Pair (lUID,rUID) = ($lUID,$rUID) vanished from $mailbox. Repairing.\n";
+ msg("WARNING: Pair (lUID,rUID) = ($lUID,$rUID) vanished from $mailbox. Repairing.");
push @delete_mapping, $lUID;
}
}
@@ -690,7 +721,7 @@ sub repair($$) {
if ($lVanished{$lUID}) {
push @rToRemove, $rUID;
} else {
- warn "local($mailbox): WARNING: UID $lUID disappeared. Downloading remote UID $rUID again.\n";
+ msg("local($mailbox): WARNING: UID $lUID disappeared. Downloading remote UID $rUID again.");
push @rMissing, $rUID;
}
}
@@ -699,7 +730,7 @@ sub repair($$) {
if ($rVanished{$rUID}) {
push @lToRemove, $lUID;
} else {
- warn "remote($mailbox): WARNING: UID $rUID disappeared. Downloading local UID $lUID again.\n";
+ msg("remote($mailbox): WARNING: UID $rUID disappeared. Downloading local UID $lUID again.");
push @lMissing, $lUID;
}
}
@@ -728,15 +759,15 @@ sub repair($$) {
# Process UID found in IMAP but not in the mapping table.
- warn "remote($mailbox): WARNING: No match for vanished local UID $_. Ignoring.\n" foreach keys %lVanished;
- warn "local($mailbox): WARNING: No match for vanished remote UID $_. Ignoring.\n" foreach keys %rVanished;
+ msg("remote($mailbox): WARNING: No match for vanished local UID $_. Ignoring.") foreach keys %lVanished;
+ msg("local($mailbox): WARNING: No match for vanished remote UID $_. Ignoring.") foreach keys %rVanished;
foreach my $lUID (keys %$lModified) {
- warn "remote($mailbox): WARNING: No match for modified local UID $lUID. Downloading again.\n";
+ msg("remote($mailbox): WARNING: No match for modified local UID $lUID. Downloading again.");
push @lMissing, $lUID;
}
foreach my $rUID (keys %$rModified) {
- warn "local($mailbox): WARNING: No match for modified remote UID $rUID. Downloading again.\n";
+ msg("local($mailbox): WARNING: No match for modified remote UID $rUID. Downloading again.");
push @rMissing, $rUID;
}
@@ -784,7 +815,7 @@ sub sync_known_messages($$) {
my ($rUID) = $STH_GET_REMOTE_UID->fetchrow_array();
die if defined $STH_GET_REMOTE_UID->fetchrow_arrayref(); # sanity check
if (!defined $rUID) {
- warn "remote($mailbox): WARNING: No match for vanished local UID $lUID. Ignoring.\n";
+ msg("remote($mailbox): WARNING: No match for vanished local UID $lUID. Ignoring.");
}
elsif (!exists $rVanished{$rUID}) {
push @rToRemove, $rUID;
@@ -795,7 +826,7 @@ sub sync_known_messages($$) {
my ($lUID) = $STH_GET_LOCAL_UID->fetchrow_array();
die if defined $STH_GET_LOCAL_UID->fetchrow_arrayref(); # sanity check
if (!defined $lUID) {
- warn "local($mailbox): WARNING: No match for vanished remote UID $rUID. Ignoring.\n";
+ msg("local($mailbox): WARNING: No match for vanished remote UID $rUID. Ignoring.");
}
elsif (!exists $lVanished{$lUID}) {
push @lToRemove, $lUID;
@@ -830,7 +861,7 @@ sub sync_known_messages($$) {
my ($rUID) = $STH_GET_REMOTE_UID->fetchrow_array();
die if defined $STH_GET_REMOTE_UID->fetchrow_arrayref(); # sanity check
if (!defined $rUID) {
- warn "remote($mailbox): WARNING: No match for modified local UID $lUID. Try '--repair'.\n";
+ msg("remote($mailbox): WARNING: No match for modified local UID $lUID. Try '--repair'.");
}
elsif (defined (my $rFlags = $rModified->{$rUID})) {
unless ($lFlags eq $rFlags) {
@@ -851,7 +882,7 @@ sub sync_known_messages($$) {
my ($lUID) = $STH_GET_LOCAL_UID->fetchrow_array();
die if defined $STH_GET_LOCAL_UID->fetchrow_arrayref(); # sanity check
if (!defined $lUID) {
- warn "local($mailbox): WARNING: No match for modified remote UID $rUID. Try '--repair'.\n";
+ msg("local($mailbox): WARNING: No match for modified remote UID $rUID. Try '--repair'.");
}
elsif (!exists $lModified->{$lUID}) {
# conflicts are taken care of above
@@ -884,7 +915,7 @@ sub callback_new_message($$$$;$$$) {
my $length = length $mail->{RFC822};
if ($length == 0) {
- warn "$name($mailbox): WARNING: Ignoring new 0-length message (UID $mail->{UID})\n";
+ msg("$name($mailbox): WARNING: Ignoring new 0-length message (UID $mail->{UID})");
return;
}
@@ -920,8 +951,7 @@ sub callback_new_message_flush($$$@) {
my ($lUIDs, $rUIDs) = $name eq 'local' ? (\@sUID,\@tUID) : (\@tUID,\@sUID);
for (my $k=0; $k<=$#messages; $k++) {
- print STDERR "Adding mapping (lUID,rUID) = ($lUIDs->[$k],$rUIDs->[$k]) for $mailbox\n"
- if $CONFIG{debug};
+ logger("Adding mapping (lUID,rUID) = ($lUIDs->[$k],$rUIDs->[$k]) for $mailbox") if $CONFIG{debug};
$STH_INSERT_MAPPING->execute($idx, $lUIDs->[$k], $rUIDs->[$k]);
}
$DBH->commit(); # commit only once per batch
@@ -993,7 +1023,7 @@ my ($MAILBOX, $IDX);
$STH_LIST_INTERRUPTED->execute();
while (defined (my $row = $STH_LIST_INTERRUPTED->fetchrow_arrayref())) {
($IDX, $MAILBOX) = @$row;
- print STDERR "Resuming interrupted sync for $MAILBOX\n";
+ msg("Resuming interrupted sync for $MAILBOX");
my %lUIDs;
$STH_GET_INTERRUPTED_BY_IDX->execute($IDX);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 19:20:30 +0000