1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
| | # Copyright (C) 2021 all contributors <meta@public-inbox.org>
# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
# front-end for the "lei convert" sub-command
package PublicInbox::LeiConvert;
use strict;
use v5.10.1;
use parent qw(PublicInbox::IPC);
use PublicInbox::Eml;
use PublicInbox::LeiStore;
use PublicInbox::LeiOverview;
sub mbox_cb {
my ($eml, $self) = @_;
my $kw = PublicInbox::MboxReader::mbox_keywords($eml);
$eml->header_set($_) for qw(Status X-Status);
$self->{wcb}->(undef, { kw => $kw }, $eml);
}
sub net_cb { # callback for ->imap_each, ->nntp_each
my (undef, undef, $kw, $eml, $self) = @_; # @_[0,1]: url + uid ignored
$self->{wcb}->(undef, { kw => $kw }, $eml);
}
sub mdir_cb {
my ($f, $kw, $eml, $self) = @_;
$self->{wcb}->(undef, { kw => $kw }, $eml);
}
sub convert_fh ($$$$) {
my ($self, $ifmt, $fh, $name) = @_;
if ($ifmt eq 'eml') {
my $buf = do { local $/; <$fh> } //
return $self->{lei}->child_error(1 << 8, <<"");
error reading $name: $!
my $eml = PublicInbox::Eml->new(\$buf);
$self->{wcb}->(undef, { kw => [] }, $eml);
} else {
PublicInbox::MboxReader->$ifmt($fh, \&mbox_cb, $self);
}
}
sub do_convert { # via wq_do
my ($self) = @_;
my $lei = $self->{lei};
my $in_fmt = $lei->{opt}->{'in-format'};
my $mics;
if (my $stdin = delete $self->{0}) {
convert_fh($self, $in_fmt, $stdin, '<stdin>');
}
for my $input (@{$self->{inputs}}) {
my $ifmt = lc($in_fmt // '');
if ($input =~ m!\Aimaps?://!) {
$lei->{net}->imap_each($input, \&net_cb, $self);
next;
} elsif ($input =~ m!\A(?:nntps?|s?news)://!) {
$lei->{net}->nntp_each($input, \&net_cb, $self);
next;
} elsif ($input =~ s!\A([a-z0-9]+):!!i) {
$ifmt = lc $1;
}
if (-f $input) {
my $m = $lei->{opt}->{'lock'} //
($ifmt eq 'eml' ? ['none'] :
PublicInbox::MboxLock->defaults);
my $mbl = PublicInbox::MboxLock->acq($input, 0, $m);
convert_fh($self, $ifmt, $mbl->{fh}, $input);
} elsif (-d _) {
PublicInbox::MdirReader::maildir_each_eml($input,
\&mdir_cb, $self);
} else {
die "BUG: $input unhandled"; # should've failed earlier
}
}
delete $lei->{1};
delete $self->{wcb}; # commit
}
sub lei_convert { # the main "lei convert" method
my ($lei, @inputs) = @_;
my $opt = $lei->{opt};
$opt->{kw} //= 1;
my $self = $lei->{cnv} = bless {}, __PACKAGE__;
my $in_fmt = $opt->{'in-format'};
my (@f, @d);
$opt->{dedupe} //= 'none';
my $ovv = PublicInbox::LeiOverview->new($lei, 'out-format');
$lei->{l2m} or return
$lei->fail("output not specified or is not a mail destination");
my $net = $lei->{net}; # NetWriter may be created by l2m
$opt->{augment} = 1 unless $ovv->{dst} eq '/dev/stdout';
if ($opt->{stdin}) {
@inputs and return $lei->fail("--stdin and @inputs do not mix");
$lei->check_input_format(undef) or return;
$self->{0} = $lei->{0};
}
# e.g. Maildir:/home/user/Mail/ or imaps://example.com/INBOX
for my $input (@inputs) {
my $input_path = $input;
if ($input =~ m!\A(?:imaps?|nntps?|s?news)://!i) {
require PublicInbox::NetReader;
$net //= PublicInbox::NetReader->new;
$net->add_url($input);
} elsif ($input_path =~ s/\A([a-z0-9]+)://is) {
my $ifmt = lc $1;
if (($in_fmt // $ifmt) ne $ifmt) {
return $lei->fail(<<"");
--in-format=$in_fmt and `$ifmt:' conflict
}
if (-f $input_path) {
require PublicInbox::MboxLock;
require PublicInbox::MboxReader;
PublicInbox::MboxReader->can($ifmt) or return
$lei->fail("$ifmt not supported");
} elsif (-d _) {
require PublicInbox::MdirReader;
$ifmt eq 'maildir' or return
$lei->fail("$ifmt not supported");
} else {
return $lei->fail("Unable to handle $input");
}
} elsif (-f $input) { push @f, $input }
elsif (-d _) { push @d, $input }
else { return $lei->fail("Unable to handle $input") }
}
if (@f) { $lei->check_input_format(\@f) or return }
if (@d) { # TODO: check for MH vs Maildir, here
require PublicInbox::MdirReader;
}
$self->{inputs} = \@inputs;
if ($net) {
if (my $err = $net->errors) {
return $lei->fail($err);
}
$net->{quiet} = $opt->{quiet};
$lei->{net} //= $net;
}
my $op = $lei->workers_start($self, 'lei_convert', 1, {
'' => [ $lei->can('dclose'), $lei ]
});
$self->wq_io_do('do_convert', []);
$self->wq_close(1);
while ($op && $op->{sock}) { $op->event_step }
}
sub ipc_atfork_child {
my ($self) = @_;
my $lei = $self->{lei};
$lei->lei_atfork_child;
my $l2m = delete $lei->{l2m};
if (my $net = $lei->{net}) { # may prompt user once
$net->{mics_cached} = $net->imap_common_init($lei);
$net->{nn_cached} = $net->nntp_common_init($lei);
}
$SIG{__WARN__} = PublicInbox::Eml::warn_ignore_cb();
$l2m->pre_augment($lei);
$l2m->do_augment($lei);
$l2m->post_augment($lei);
$self->{wcb} = $l2m->write_cb($lei);
$self->SUPER::ipc_atfork_child;
}
1;
|