-# Copyright (C) 2018 all contributors <meta@public-inbox.org>
+# Copyright (C) 2018-2019 all contributors <meta@public-inbox.org>
# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
# Extends read-only Inbox for writing
use warnings;
use base qw(PublicInbox::Inbox);
use PublicInbox::Import;
+use PublicInbox::Filter::Base;
+*REJECT = *PublicInbox::Filter::Base::REJECT;
+
+use constant {
+ PERM_UMASK => 0,
+ OLD_PERM_GROUP => 1,
+ OLD_PERM_EVERYBODY => 2,
+ PERM_GROUP => 0660,
+ PERM_EVERYBODY => 0664,
+};
sub new {
- my ($class, $ibx) = @_;
- bless $ibx, $class;
+ my ($class, $ibx, $creat_opt) = @_;
+ my $self = bless $ibx, $class;
+
+ # TODO: maybe stop supporting this
+ if ($creat_opt) { # for { nproc => $N }
+ $self->{-creat_opt} = $creat_opt;
+ init_inbox($self) if ($self->{version} || 1) == 1;
+ }
+ $self;
+}
+
+sub init_inbox {
+ my ($self, $shards, $skip_epoch, $skip_artnum) = @_;
+ # TODO: honor skip_artnum
+ my $v = $self->{version} || 1;
+ if ($v == 1) {
+ my $dir = $self->{inboxdir} or die "no inboxdir in inbox\n";
+ PublicInbox::Import::init_bare($dir);
+ } else {
+ my $v2w = importer($self);
+ $v2w->init_inbox($shards, $skip_epoch, $skip_artnum);
+ }
}
sub importer {
my ($self, $parallel) = @_;
- $self->{-importer} ||= eval {
+ $self->{-importer} ||= do {
my $v = $self->{version} || 1;
if ($v == 2) {
eval { require PublicInbox::V2Writable };
die "v2 not supported: $@\n" if $@;
- my $v2w = PublicInbox::V2Writable->new($self);
+ my $opt = $self->{-creat_opt};
+ my $v2w = PublicInbox::V2Writable->new($self, $opt);
$v2w->{parallel} = $parallel;
$v2w;
} elsif ($v == 1) {
- my $git = $self->git;
- my $name = $self->{name};
- my $addr = $self->{-primary_address};
- PublicInbox::Import->new($git, $name, $addr, $self);
+ my @arg = (undef, undef, undef, $self);
+ PublicInbox::Import->new(@arg);
} else {
+ $! = 78; # EX_CONFIG 5.3.5 local configuration error
die "unsupported inbox version: $v\n";
}
}
}
sub filter {
- my ($self) = @_;
+ my ($self, $im) = @_;
my $f = $self->{filter};
if ($f && $f =~ /::/) {
+ # v2 keeps msgmap open, which causes conflicts for filters
+ # such as PublicInbox::Filter::RubyLang which overload msgmap
+ # for a predictable serial number.
+ if ($im && ($self->{version} || 1) >= 2 && $self->{altid}) {
+ $im->done;
+ }
+
my @args = (-inbox => $self);
# basic line splitting, only
# Perhaps we can have proper quote splitting one day...
undef;
}
+sub is_maildir_basename ($) {
+ my ($bn) = @_;
+ return 0 if $bn !~ /\A[a-zA-Z0-9][\-\w:,=\.]+\z/;
+ if ($bn =~ /:2,([A-Z]+)\z/i) {
+ my $flags = $1;
+ return 0 if $flags =~ /[DT]/; # no [D]rafts or [T]rashed mail
+ }
+ 1;
+}
+
+sub is_maildir_path ($) {
+ my ($path) = @_;
+ my @p = split(m!/+!, $path);
+ (is_maildir_basename($p[-1]) && -f $path) ? 1 : 0;
+}
+
+sub maildir_path_load ($) {
+ my ($path) = @_;
+ if (open my $fh, '<', $path) {
+ local $/;
+ my $str = <$fh>;
+ $str or return;
+ return PublicInbox::MIME->new(\$str);
+ } elsif ($!{ENOENT}) {
+ # common with Maildir
+ return;
+ } else {
+ warn "failed to open $path: $!\n";
+ return;
+ }
+}
+
+sub import_maildir {
+ my ($self, $dir) = @_;
+ my $im = $self->importer(1);
+
+ foreach my $sub (qw(cur new tmp)) {
+ -d "$dir/$sub" or die "$dir is not a Maildir (missing $sub)\n";
+ }
+ foreach my $sub (qw(cur new)) {
+ opendir my $dh, "$dir/$sub" or die "opendir $dir/$sub: $!\n";
+ while (defined(my $fn = readdir($dh))) {
+ next unless is_maildir_basename($fn);
+ my $mime = maildir_path_load("$dir/$fn") or next;
+
+ if (my $filter = $self->filter($im)) {
+ my $ret = $filter->scrub($mime) or return;
+ return if $ret == REJECT();
+ $mime = $ret;
+ }
+ $im->add($mime);
+ }
+ }
+ $im->done;
+}
+
+# asctime: From example@example.com Fri Jun 23 02:56:55 2000
+my $from_strict = qr/^From \S+ +\S+ \S+ +\S+ [^:]+:[^:]+:[^:]+ [^:]+/;
+
+sub mb_add ($$$$) {
+ my ($im, $variant, $filter, $msg) = @_;
+ $$msg =~ s/(\r?\n)+\z/$1/s;
+ my $mime = PublicInbox::MIME->new($msg);
+ if ($variant eq 'mboxrd') {
+ $$msg =~ s/^>(>*From )/$1/sm;
+ } elsif ($variant eq 'mboxo') {
+ $$msg =~ s/^>From /From /sm;
+ }
+ if ($filter) {
+ my $ret = $filter->scrub($mime) or return;
+ return if $ret == REJECT();
+ $mime = $ret;
+ }
+ $im->add($mime)
+}
+
+sub import_mbox {
+ my ($self, $fh, $variant) = @_;
+ if ($variant !~ /\A(?:mboxrd|mboxo)\z/) {
+ die "variant must be 'mboxrd' or 'mboxo'\n";
+ }
+ my $im = $self->importer(1);
+ my $prev = undef;
+ my $msg = '';
+ my $filter = $self->filter;
+ while (defined(my $l = <$fh>)) {
+ if ($l =~ /$from_strict/o) {
+ if (!defined($prev) || $prev =~ /^\r?$/) {
+ mb_add($im, $variant, $filter, \$msg) if $msg;
+ $msg = '';
+ $prev = $l;
+ next;
+ }
+ warn "W[$.] $l\n";
+ }
+ $prev = $l;
+ $msg .= $l;
+ }
+ mb_add($im, $variant, $filter, \$msg) if $msg;
+ $im->done;
+}
+
+sub _read_git_config_perm {
+ my ($self) = @_;
+ chomp(my $perm = $self->git->qx('config', 'core.sharedRepository'));
+ $perm;
+}
+
+sub _git_config_perm {
+ my $self = shift;
+ my $perm = scalar @_ ? $_[0] : _read_git_config_perm($self);
+ return PERM_UMASK if (!defined($perm) || $perm eq '');
+ return PERM_UMASK if ($perm eq 'umask');
+ return PERM_GROUP if ($perm eq 'group');
+ if ($perm =~ /\A(?:all|world|everybody)\z/) {
+ return PERM_EVERYBODY;
+ }
+ return PERM_GROUP if ($perm =~ /\A(?:true|yes|on|1)\z/);
+ return PERM_UMASK if ($perm =~ /\A(?:false|no|off|0)\z/);
+
+ my $i = oct($perm);
+ return PERM_UMASK if ($i == PERM_UMASK);
+ return PERM_GROUP if ($i == OLD_PERM_GROUP);
+ return PERM_EVERYBODY if ($i == OLD_PERM_EVERYBODY);
+
+ if (($i & 0600) != 0600) {
+ die "core.sharedRepository mode invalid: ".
+ sprintf('%.3o', $i) . "\nOwner must have permissions\n";
+ }
+ ($i & 0666);
+}
+
+sub _umask_for {
+ my ($perm) = @_; # _git_config_perm return value
+ my $rv = $perm;
+ return umask if $rv == 0;
+
+ # set +x bit if +r or +w were set
+ $rv |= 0100 if ($rv & 0600);
+ $rv |= 0010 if ($rv & 0060);
+ $rv |= 0001 if ($rv & 0006);
+ (~$rv & 0777);
+}
+
+sub with_umask {
+ my ($self, $cb) = @_;
+ my $old = umask $self->{umask};
+ my $rv = eval { $cb->() };
+ my $err = $@;
+ umask $old;
+ die $err if $err;
+ $rv;
+}
+
+sub umask_prepare {
+ my ($self) = @_;
+ my $perm = _git_config_perm($self);
+ my $umask = _umask_for($perm);
+ $self->{umask} = $umask;
+}
+
1;