1 # Copyright (C) 2021 all contributors <meta@public-inbox.org>
2 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
4 # front-end for the "lei convert" sub-command
5 package PublicInbox::LeiConvert;
8 use parent qw(PublicInbox::IPC);
10 use PublicInbox::InboxWritable qw(eml_from_path);
11 use PublicInbox::LeiStore;
12 use PublicInbox::LeiOverview;
15 my ($eml, $self) = @_;
16 my @kw = PublicInbox::LeiStore::mbox_keywords($eml);
17 $eml->header_set($_) for qw(Status X-Status);
18 $self->{wcb}->(undef, { kw => \@kw }, $eml);
21 sub net_cb { # callback for ->imap_each, ->nntp_each
22 my (undef, undef, $kw, $eml, $self) = @_; # @_[0,1]: url + uid ignored
23 $self->{wcb}->(undef, { kw => $kw }, $eml);
27 my ($kw, $eml, $self) = @_;
28 $self->{wcb}->(undef, { kw => $kw }, $eml);
31 sub do_convert { # via wq_do
33 my $lei = $self->{lei};
34 my $in_fmt = $lei->{opt}->{'in-format'};
36 if (my $nrd = $lei->{nrd}) { # may prompt user once
37 $nrd->{mics_cached} = $nrd->imap_common_init($lei);
38 $nrd->{nn_cached} = $nrd->nntp_common_init($lei);
40 if (my $stdin = delete $self->{0}) {
41 PublicInbox::MboxReader->$in_fmt($stdin, \&mbox_cb, $self);
43 for my $input (@{$self->{inputs}}) {
44 my $ifmt = lc($in_fmt // '');
45 if ($input =~ m!\Aimaps?://!) {
46 $lei->{nrd}->imap_each($input, \&net_cb, $self);
48 } elsif ($input =~ m!\A(?:nntps?|s?news)://!) {
49 $lei->{nrd}->nntp_each($input, \&net_cb, $self);
51 } elsif ($input =~ s!\A([a-z0-9]+):!!i) {
55 open my $fh, '<', $input or
56 return $lei->fail("open $input: $!");
57 PublicInbox::MboxReader->$ifmt($fh, \&mbox_cb, $self);
59 PublicInbox::MdirReader::maildir_each_eml($input,
62 die "BUG: $input unhandled"; # should've failed earlier
66 delete $self->{wcb}; # commit
69 sub call { # the main "lei convert" method
70 my ($cls, $lei, @inputs) = @_;
71 my $opt = $lei->{opt};
73 my $self = $lei->{cnv} = bless {}, $cls;
74 my $in_fmt = $opt->{'in-format'};
76 $opt->{dedupe} //= 'none';
77 my $ovv = PublicInbox::LeiOverview->new($lei, 'out-format');
79 $lei->fail("output not specified or is not a mail destination");
80 $opt->{augment} = 1 unless $ovv->{dst} eq '/dev/stdout';
82 @inputs and return $lei->fail("--stdin and @inputs do not mix");
83 $lei->check_input_format(undef, 'in-format') or return;
84 $self->{0} = $lei->{0};
86 # e.g. Maildir:/home/user/Mail/ or imaps://example.com/INBOX
87 for my $input (@inputs) {
88 my $input_path = $input;
89 if ($input =~ m!\A(?:imaps?|nntps?|s?news)://!i) {
90 require PublicInbox::NetReader;
91 $nrd //= PublicInbox::NetReader->new;
92 $nrd->add_url($input);
93 } elsif ($input_path =~ s/\A([a-z0-9]+)://is) {
95 if (($in_fmt // $ifmt) ne $ifmt) {
96 return $lei->fail(<<"");
97 --in-format=$in_fmt and `$ifmt:' conflict
100 if (-f $input_path) {
101 require PublicInbox::MboxReader;
102 PublicInbox::MboxReader->can($ifmt) or return
103 $lei->fail("$ifmt not supported");
105 require PublicInbox::MdirReader;
106 $ifmt eq 'maildir' or return
107 $lei->fail("$ifmt not supported");
109 return $lei->fail("Unable to handle $input");
111 } elsif (-f $input) { push @f, $input }
112 elsif (-d _) { push @d, $input }
113 else { return $lei->fail("Unable to handle $input") }
115 if (@f) { $lei->check_input_format(\@f, 'in-format') or return }
116 if (@d) { # TODO: check for MH vs Maildir, here
117 require PublicInbox::MdirReader;
119 $self->{inputs} = \@inputs;
121 if (my $err = $nrd->errors) {
122 return $lei->fail($err);
124 $nrd->{quiet} = $opt->{quiet};
127 my $op = $lei->workers_start($self, 'lei_convert', 1, {
128 '' => [ $lei->can('dclose'), $lei ]
130 $self->wq_io_do('do_convert', []);
132 while ($op && $op->{sock}) { $op->event_step }
135 sub ipc_atfork_child {
137 my $lei = $self->{lei};
138 $lei->lei_atfork_child;
139 my $l2m = delete $lei->{l2m};
140 $l2m->pre_augment($lei);
141 $l2m->do_augment($lei);
142 $l2m->post_augment($lei);
143 $self->{wcb} = $l2m->write_cb($lei);
144 $SIG{__WARN__} = PublicInbox::Eml::warn_ignore_cb();
145 $self->SUPER::ipc_atfork_child;