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-rw-r--r--lib/PublicInbox/LeiMailSync.pm75
-rw-r--r--t/lei_mail_sync.t5
2 files changed, 55 insertions, 25 deletions
diff --git a/lib/PublicInbox/LeiMailSync.pm b/lib/PublicInbox/LeiMailSync.pm
index 182b0c22..d93a5810 100644
--- a/lib/PublicInbox/LeiMailSync.pm
+++ b/lib/PublicInbox/LeiMailSync.pm
@@ -6,7 +6,7 @@ package PublicInbox::LeiMailSync;
 use strict;
 use v5.10.1;
 use parent qw(PublicInbox::Lock);
-use DBI;
+use DBI qw(:sql_types); # SQL_BLOB
 use PublicInbox::ContentHash qw(git_sha);
 use Carp ();
 
@@ -90,29 +90,55 @@ CREATE INDEX IF NOT EXISTS idx_fid_name ON blob2name(fid,name)
 
 }
 
+# used to fixup pre-1.7.0 folders
+sub update_fid ($$$) {
+        my ($dbh, $fid, $loc) = @_;
+        my $sth = $dbh->prepare(<<'');
+UPDATE folders SET loc = ? WHERE fid = ?
+
+        $sth->bind_param(1, $loc, SQL_BLOB);
+        $sth->bind_param(2, $fid);
+        $sth->execute;
+}
+
+sub get_fid ($$$) {
+        my ($sth, $folder, $dbh) = @_; # $dbh is set iff RW
+        $sth->bind_param(1, $folder, SQL_BLOB);
+        $sth->execute;
+        my ($fid) = $sth->fetchrow_array;
+        if (defined $fid) { # for downgrade+upgrade (1.8 -> 1.7 -> 1.8)
+                $dbh->do('DELETE FROM folders WHERE loc = ? AND fid != ?',
+                        undef, $folder, $fid) if defined($dbh);
+        } else {
+                $sth->execute($folder); # fixup old stuff
+                ($fid) = $sth->fetchrow_array;
+                update_fid($dbh, $fid, $folder) if defined($fid) && $dbh;
+        }
+        $fid;
+}
+
 sub fid_for {
         my ($self, $folder, $rw) = @_;
         my $dbh = $self->{dbh} //= dbh_new($self, $rw);
-        my $sel = 'SELECT fid FROM folders WHERE loc = ? LIMIT 1';
-        my ($fid) = $dbh->selectrow_array($sel, undef, $folder);
-        return $fid if defined $fid;
+        my $sth = $dbh->prepare_cached(<<'', undef, 1);
+SELECT fid FROM folders WHERE loc = ? LIMIT 1
+
+        my $rw_dbh = $rw ? $dbh : undef;
+        my $fid = get_fid($sth, $folder, $rw_dbh);
+        return $fid if defined($fid);
 
         # caller had trailing slash (LeiToMail)
         if ($folder =~ s!\A((?:maildir|mh):.*?)/+\z!$1!i) {
-                ($fid) = $dbh->selectrow_array($sel, undef, $folder);
+                $fid = get_fid($sth, $folder, $rw_dbh);
                 if (defined $fid) {
-                        $dbh->do(<<EOM, undef, $folder, $fid) if $rw;
-UPDATE folders SET loc = ? WHERE fid = ?
-EOM
+                        update_fid($dbh, $fid, $folder) if $rw;
                         return $fid;
                 }
         # sometimes we stored trailing slash..
         } elsif ($folder =~ m!\A(?:maildir|mh):!i) {
-                ($fid) = $dbh->selectrow_array($sel, undef, "$folder/");
+                $fid = get_fid($sth, $folder, $rw_dbh);
                 if (defined $fid) {
-                        $dbh->do(<<EOM, undef, $folder, $fid) if $rw;
-UPDATE folders SET loc = ? WHERE fid = ?
-EOM
+                        update_fid($dbh, $fid, $folder) if $rw;
                         return $fid;
                 }
         } elsif ($rw && $folder =~ m!\Aimaps?://!i) {
@@ -129,8 +155,10 @@ EOM
         $dbh->do('DELETE FROM blob2name WHERE fid = ?', undef, $fid);
         $dbh->do('DELETE FROM blob2num WHERE fid = ?', undef, $fid);
 
-        my $sth = $dbh->prepare('INSERT INTO folders (fid, loc) VALUES (?, ?)');
-        $sth->execute($fid, $folder);
+        $sth = $dbh->prepare('INSERT INTO folders (fid, loc) VALUES (?, ?)');
+        $sth->bind_param(1, $fid);
+        $sth->bind_param(2, $folder, SQL_BLOB);
+        $sth->execute;
 
         $fid;
 }
@@ -306,18 +334,17 @@ sub locations_for {
 sub folders {
         my ($self, @pfx) = @_;
         my $sql = 'SELECT loc FROM folders';
+        my $re;
         if (defined($pfx[0])) {
-                $sql .= ' WHERE loc LIKE ? ESCAPE ?';
-                my $anywhere = !!$pfx[1];
-                $pfx[1] = '\\';
-                $pfx[0] =~ s/([%_\\])/\\$1/g; # glob chars
-                $pfx[0] .= '%';
-                substr($pfx[0], 0, 0, '%') if $anywhere;
-        } else {
-                @pfx = (); # [0] may've been undef
+                $sql .= ' WHERE loc REGEXP ?'; # DBD::SQLite uses perlre
+                $re = !!$pfx[1] ? '.*' : '';
+                $re .= quotemeta($pfx[0]);
+                $re .= '.*';
         }
-        my $dbh = $self->{dbh} //= dbh_new($self);
-        map { $_->[0] } @{$dbh->selectall_arrayref($sql, undef, @pfx)};
+        my $sth = ($self->{dbh} //= dbh_new($self))->prepare($sql);
+        $sth->bind_param(1, $re) if defined($re);
+        $sth->execute;
+        map { $_->[0] } @{$sth->fetchall_arrayref};
 }
 
 sub local_blob {
diff --git a/t/lei_mail_sync.t b/t/lei_mail_sync.t
index 4439b818..74a6c8aa 100644
--- a/t/lei_mail_sync.t
+++ b/t/lei_mail_sync.t
@@ -1,5 +1,5 @@
 #!perl -w
-# Copyright (C) 2021 all contributors <meta@public-inbox.org>
+# Copyright (C) all contributors <meta@public-inbox.org>
 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
 use strict;
 use v5.10.1;
@@ -19,6 +19,8 @@ my $deadbeef = "\xde\xad\xbe\xef";
 is($lms->set_src($deadbeef, $imap, 1), 1, 'set IMAP once');
 ok($lms->set_src($deadbeef, $imap, 1) == 0, 'set IMAP idempotently');
 is_deeply([$ro->folders], [$imap], 'IMAP folder added');
+note explain([$ro->folders($imap)]);
+note explain([$imap, [$ro->folders]]);
 is_deeply([$ro->folders($imap)], [$imap], 'IMAP folder with full GLOB');
 is_deeply([$ro->folders('imaps://bob@[::1]/INBOX')], [$imap],
                 'IMAP folder with partial GLOB');
@@ -37,6 +39,7 @@ is_deeply($ro->locations_for($deadbeef),
 
 if ('mess things up pretend old bug') {
         $lms->lms_write_prepare;
+        diag "messing things up";
         $lms->{dbh}->do('UPDATE folders SET loc = ? WHERE loc = ?', undef,
                         "$maildir/", $maildir);
         ok(delete $lms->{fmap}, 'clear folder map');