1 files changed, 7 insertions, 0 deletions
diff --git a/lib/PublicInbox/NNTP.pm b/lib/PublicInbox/NNTP.pm
index d6f315ba..895858b7 100644
--- a/lib/PublicInbox/NNTP.pm
+++ b/lib/PublicInbox/NNTP.pm
@@ -642,6 +642,11 @@ sub long_response ($$) {
                  } elsif ($more) { # $self->{wbuf}:
                          update_idle_time($self);
  
+                        # COMPRESS users all share the same DEFLATE context.
+                        # Flush it here to ensure clients don't see
+                        # each other's data
+                        $self->zflush;
+
                          # no recursion, schedule another call ASAP
                          # but only after all pending writes are done
                          my $wbuf = $self->{wbuf} ||= [];
@@ -925,6 +930,8 @@ sub cmd_compress ($$) {
          undef
  }
  
+sub zflush {} # overridden by NNTPdeflate
+
  sub cmd_xpath ($$) {
          my ($self, $mid) = @_;
          return r501 unless $mid =~ /\A<(.+)>\z/;