undef;
}
-sub _imap_do_msg ($$$$$) {
- my ($self, $url, $uid, $raw, $flags) = @_;
- # our target audience expects LF-only, save storage
- $$raw =~ s/\r\n/\n/sg;
+sub flags2kw ($$$$) {
+ my ($self, $uri, $uid, $flags) = @_;
my $kw = [];
for my $f (split(/ /, $flags)) {
if (my $k = $IMAPflags2kw{$f}) {
} elsif ($f eq "\\Deleted") { # not in JMAP
return;
} elsif ($self->{verbose}) {
- warn "# unknown IMAP flag $f <$url/;UID=$uid>\n";
+ warn "# unknown IMAP flag $f <$uri/;UID=$uid>\n";
}
}
- @$kw = sort @$kw; # for all UI/UX purposes
+ @$kw = sort @$kw; # for LeiSearch->kw_changed and UI/UX purposes
+ $kw;
+}
+
+sub _imap_do_msg ($$$$$) {
+ my ($self, $uri, $uid, $raw, $flags) = @_;
+ # our target audience expects LF-only, save storage
+ $$raw =~ s/\r\n/\n/sg;
+ my $kw = flags2kw($self, $uri, $uid, $flags) // return;
my ($eml_cb, @args) = @{$self->{eml_each}};
- $eml_cb->($url, $uid, $kw, PublicInbox::Eml->new($raw), @args);
+ $eml_cb->($uri, $uid, $kw, PublicInbox::Eml->new($raw), @args);
}
sub run_commit_cb ($) {
($itrk, $l_uid, $l_uidval //= $r_uidval);
}
+# import flags of already-seen messages
+sub each_old_flags ($$$$) {
+ my ($self, $mic, $uri, $l_uid) = @_;
+ $l_uid ||= 1;
+ my $sec = uri_section($uri);
+ my $bs = $self->{imap_opt}->{$sec}->{batch_size} // 10000;
+ my ($eml_cb, @args) = @{$self->{eml_each}};
+ for (my $n = 1; $n <= $l_uid; $n += $bs) {
+ my $end = $n + $bs;
+ $end = $l_uid if $end > $l_uid;
+ my $r = $mic->fetch_hash("$n:$end", 'FLAGS');
+ if (!$r) {
+ return if $!{EINTR} && $self->{quit};
+ return "E: $uri UID FETCH $n:$end error: $!";
+ }
+ while (my ($uid, $per_uid) = each %$r) {
+ my $kw = flags2kw($self, $uri, $uid, $per_uid->{FLAGS})
+ // next;
+ # LeiImport->input_net_cb
+ $eml_cb->($uri, $uid, $kw, undef, @args);
+ }
+ }
+}
+
+# returns true if PERMANENTFLAGS indicates FLAGS of already imported
+# messages are meaningful
+sub perm_fl_ok ($) {
+ my ($perm_fl) = @_;
+ return if !defined($perm_fl);
+ for my $f (split(/[ \t]+/, $perm_fl)) {
+ return 1 if $IMAPflags2kw{$f};
+ }
+ undef;
+}
+
sub _imap_fetch_all ($$$) {
my ($self, $mic, $orig_uri) = @_;
my $sec = uri_section($orig_uri);
my $mbx = $orig_uri->mailbox;
$mic->Clear(1); # trim results history
- $mic->examine($mbx) or return "E: EXAMINE $mbx ($sec) failed: $!";
- my ($r_uidval, $r_uidnext);
+
+ # we need to check for mailbox writability to see if we care about
+ # FLAGS from already-imported messages.
+ my $cmd = $self->{each_old} ? 'select' : 'examine';
+ $mic->$cmd($mbx) or return "E: \U$cmd\E $mbx ($sec) failed: $!";
+
+ my ($r_uidval, $r_uidnext, $perm_fl);
for ($mic->Results) {
+ /^\* OK \[PERMANENTFLAGS \(([^\)]*)\)\].*/ and $perm_fl = $1;
/^\* OK \[UIDVALIDITY ([0-9]+)\].*/ and $r_uidval = $1;
/^\* OK \[UIDNEXT ([0-9]+)\].*/ and $r_uidnext = $1;
- last if $r_uidval && $r_uidnext;
}
$r_uidval //= $mic->uidvalidity($mbx) //
return "E: $orig_uri cannot get UIDVALIDITY";
EOF
my $uri = $orig_uri->clone;
+ my $single_uid = $uri->uid;
my ($itrk, $l_uid, $l_uidval) = itrk_last($self, $uri, $r_uidval, $mic);
+ if (defined($single_uid)) {
+ $itrk = $l_uid = undef;
+ $uri->uid(undef); # for eml_cb
+ }
return <<EOF if $l_uidval != $r_uidval;
E: $uri UIDVALIDITY mismatch
E: local=$l_uidval != remote=$r_uidval
E: $uri local UID exceeds remote ($l_uid > $r_uid)
E: $uri strangely, UIDVALIDLITY matches ($l_uidval)
EOF
+ $mic->Uid(1); # the default, we hope
+ my $err;
+ if (!defined($single_uid) && $self->{each_old} &&
+ perm_fl_ok($perm_fl)) {
+ $err = each_old_flags($self, $mic, $uri, $l_uid);
+ return $err if $err;
+ }
return if $l_uid >= $r_uid; # nothing to do
$l_uid ||= 1;
my ($mod, $shard) = @{$self->{shard_info} // []};
my $m = $mod ? " [(UID % $mod) == $shard]" : '';
warn "# $uri fetching UID $l_uid:$r_uid$m\n";
}
- $mic->Uid(1); # the default, we hope
my $bs = $self->{imap_opt}->{$sec}->{batch_size} // 1;
my $req = $mic->imap4rev1 ? 'BODY.PEEK[]' : 'RFC822.PEEK';
my $key = $req;
$key =~ s/\.PEEK//;
my ($uids, $batch);
- my $err;
do {
# I wish "UID FETCH $START:*" could work, but:
# 1) servers do not need to return results in any order
# 2) Mail::IMAPClient doesn't offer a streaming API
- unless ($uids = $mic->search("UID $l_uid:*")) {
+ if (defined $single_uid) {
+ $uids = [ $single_uid ];
+ } elsif (!($uids = $mic->search("UID $l_uid:*"))) {
return if $!{EINTR} && $self->{quit};
return "E: $uri UID SEARCH $l_uid:* error: $!";
}
# messages get deleted, so holes appear
my $per_uid = delete $r->{$uid} // next;
my $raw = delete($per_uid->{$key}) // next;
- _imap_do_msg($self, $$uri, $uid, \$raw,
+ _imap_do_msg($self, $uri, $uid, \$raw,
$per_uid->{FLAGS});
$last_uid = $uid;
last if $self->{quit};
}
run_commit_cb($self);
$itrk->update_last($r_uidval, $last_uid) if $itrk;
- } until ($err || $self->{quit});
+ } until ($err || $self->{quit} || defined($single_uid));
$err;
}
warn "# $uri fetching ARTICLE $beg..$end\n";
}
my $n = $self->{max_batch};
- my $url = $$uri;
for ($beg..$end) {
last if $self->{quit};
$art = $_;
$raw = join('', @$raw);
$raw =~ s/\r\n/\n/sg;
my ($eml_cb, @args) = @{$self->{eml_each}};
- $eml_cb->($url, $art, $kw, PublicInbox::Eml->new(\$raw), @args);
+ $eml_cb->($uri, $art, $kw, PublicInbox::Eml->new(\$raw), @args);
$last_art = $art;
}
run_commit_cb($self);