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 # "lei refresh-mail-sync" drops dangling sync information
5 # and attempts to detect moved files
6 package PublicInbox::LeiRefreshMailSync;
9 use parent qw(PublicInbox::IPC PublicInbox::LeiInput);
10 use PublicInbox::LeiExportKw;
11 use PublicInbox::InboxWritable qw(eml_from_path);
12 use PublicInbox::ContentHash qw(git_sha);
13 use PublicInbox::Import;
16 my ($eml, $oidbin) = @_;
17 $eml->header_set($_) for @PublicInbox::Import::UNWANTED_HEADERS;
18 $oidbin eq git_sha(length($oidbin) == 20 ? 1 : 256, $eml)->digest;
21 sub prune_mdir { # lms->each_src callback
22 my ($oidbin, $id, $self, $mdir) = @_;
23 my @try = $$id =~ /:2,[a-zA-Z]*\z/ ? qw(cur new) : qw(new cur);
25 my $src = "$mdir/$d/$$id";
26 if ($self->{verify}) {
27 my $eml = eml_from_path($src) // next;
28 return if eml_match($eml, $oidbin);
34 $self->{lei}->{sto}->ipc_do('lms_clear_src', "maildir:$mdir", $id);
37 sub prune_imap { # lms->each_src callback
38 my ($oidbin, $uid, $self, $uids, $url) = @_;
39 return if exists $uids->{$uid};
40 $self->{lei}->{sto}->ipc_do('lms_clear_src', $url, $uid);
43 # detects missed file moves
44 sub pmdir_cb { # called via LeiPmdir->each_mdir_fn
45 my ($self, $f, $fl) = @_;
46 my ($folder, $bn) = ($f =~ m!\A(.+?)/(?:new|cur)/([^/]+)\z!) or
47 die "BUG: $f was not from a Maildir?";
48 substr($folder, 0, 0) = 'maildir:'; # add prefix
49 my $lms = $self->{-lms_ro} //= $self->{lei}->lms;
50 return if defined($lms->name_oidbin($folder, $bn));
51 my $eml = eml_from_path($f) // return;
52 my $oidbin = $self->{lei}->git_oid($eml)->digest;
53 $self->{lei}->{sto}->ipc_do('lms_set_src', $oidbin, $folder, \$bn);
56 sub input_path_url { # overrides PublicInbox::LeiInput::input_path_url
57 my ($self, $input, @args) = @_;
58 my $lms = $self->{-lms_ro} //= $self->{lei}->lms;
59 if ($input =~ /\Amaildir:(.+)/i) {
60 $lms->each_src($input, \&prune_mdir, $self, my $mdir = $1);
61 $self->{lse} //= $self->{lei}->{sto}->search;
62 # call pmdir_cb (via maildir_each_file -> each_mdir_fn)
63 PublicInbox::LeiInput::input_path_url($self, $input);
64 } elsif ($input =~ m!\Aimaps?://!i) {
65 my $uri = PublicInbox::URIimap->new($input);
66 my $mic = $self->{lei}->{net}->mic_for_folder($uri);
67 my $uids = $mic->search('UID 1:*');
68 $uids = +{ map { $_ => undef } @$uids };
69 $lms->each_src($$uri, \&prune_imap, $self, $uids, $$uri);
70 } else { die "BUG: $input not supported" }
71 $self->{lei}->{pkt_op_p}->pkt_do('sto_done_request');
74 sub lei_refresh_mail_sync {
75 my ($lei, @folders) = @_;
76 my $sto = $lei->_lei_store or return $lei->fail(<<EOM);
77 lei/store uninitialized, see lei-import(1)
79 my $lms = $lei->lms or return $lei->fail(<<EOM);
80 lei mail_sync.sqlite3 uninitialized, see lei-import(1)
82 if (defined(my $all = $lei->{opt}->{all})) {
83 $lms->group2folders($lei, $all, \@folders) or return;
85 my $err = $lms->arg2folder($lei, \@folders);
86 $lei->qerr(@{$err->{qerr}}) if $err->{qerr};
87 return $lei->fail($err->{fail}) if $err->{fail};
89 undef $lms; # must be done before fork
90 $sto->write_prepare($lei);
91 my $self = bless { missing_ok => 1 }, __PACKAGE__;
92 $lei->{opt}->{'mail-sync'} = 1; # for prepare_inputs
93 $self->prepare_inputs($lei, \@folders) or return;
94 my $j = $lei->{opt}->{jobs} || scalar(@{$self->{inputs}}) || 1;
96 $lei->{auth}->op_merge($ops, $self) if $lei->{auth};
97 $self->{-wq_nr_workers} = $j // 1; # locked
98 (my $op_c, $ops) = $lei->workers_start($self, $j, $ops);
100 $lei->{-err_type} = 'non-fatal';
101 net_merge_all_done($self) unless $lei->{auth};
102 $lei->wait_wq_events($op_c, $ops); # net_merge_all_done if !{auth}
106 *_complete_refresh_mail_sync = \&PublicInbox::LeiExportKw::_complete_export_kw;
107 *ipc_atfork_child = \&PublicInbox::LeiInput::input_only_atfork_child;
108 *net_merge_all_done = \&PublicInbox::LeiInput::input_only_net_merge_all_done;