1 # Copyright (C) 2016-2019 all contributors <meta@public-inbox.org>
2 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
4 package PublicInbox::WwwStatic;
9 my ($env, $in, $h, $beg, $end, $size) = @_;
13 if ($end ne '') { # "bytes=-$end" => last N bytes
24 } elsif ($end eq '' || $end >= $size) {
27 } elsif ($end < $size) {
34 $len = $end - $beg + 1;
38 sysseek($in, $beg, SEEK_SET) or return [ 500, [], [] ];
39 push @$h, qw(Accept-Ranges bytes Content-Range);
40 push @$h, "bytes $beg-$end/$size";
42 # FIXME: Plack::Middleware::Deflater bug?
43 $env->{'psgix.no-compress'} = 1;
50 my ($env, $h, $path, $type) = @_;
51 return unless -f $path && -r _; # just in case it's a FIFO :P
53 # TODO: If-Modified-Since and Last-Modified?
54 open my $in, '<', $path or return;
58 push @$h, 'Content-Type', $type;
59 if (($env->{HTTP_RANGE} || '') =~ /\bbytes=([0-9]*)-([0-9]*)\z/) {
60 ($code, $len) = prepare_range($env, $in, $h, $1, $2, $size);
62 push @$h, 'Content-Range', "bytes */$size";
63 return [ 416, $h, [] ];
66 push @$h, 'Content-Length', $len;
77 # called by PSGI servers:
80 my $len = $self->{len} or return; # undef, tells server we're done
81 my $n = delete($self->{initial_rd}) // 8192;
82 $n = $len if $len < $n;
83 my $r = sysread($self->{in}, my $buf, $n);
84 if (defined $r && $r > 0) { # success!
85 $self->{len} = $len - $r;
88 my $m = defined $r ? "EOF with $len bytes left" : "read error: $!";
89 my $env = $self->{env};
90 $env->{'psgi.errors'}->print("$self->{path} $m\n");
92 # drop the client on error
93 if (my $io = $env->{'psgix.io'}) {
94 $io->close; # this is likely PublicInbox::DS::close
95 } else { # for some PSGI servers w/o psgix.io
96 die "dropping client socket\n";
101 sub close {} # noop, just let everything go out-of-scope