diff options
author | Eric Wong <e@yhbt.net> | 2020-07-05 23:27:19 +0000 |
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committer | Eric Wong <e@yhbt.net> | 2020-07-06 20:01:15 +0000 |
commit | cde937e3bf4c0ad343479f9711a201494e4f36ee (patch) | |
tree | 6c6730fa2b3162888bbce45fec346b283693abe3 /lib/PublicInbox/GzipFilter.pm | |
parent | b8b03f9c896432816019828b27708fa3b6903d83 (diff) | |
download | public-inbox-cde937e3bf4c0ad343479f9711a201494e4f36ee.tar.gz |
www*stream: gzip ->getline responses
Our most common endpoints deserve to be gzipped.
Diffstat (limited to 'lib/PublicInbox/GzipFilter.pm')
-rw-r--r-- | lib/PublicInbox/GzipFilter.pm | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/lib/PublicInbox/GzipFilter.pm b/lib/PublicInbox/GzipFilter.pm index 115660cb..95fced05 100644 --- a/lib/PublicInbox/GzipFilter.pm +++ b/lib/PublicInbox/GzipFilter.pm @@ -6,8 +6,9 @@ package PublicInbox::GzipFilter; use strict; use parent qw(Exporter); use Compress::Raw::Zlib qw(Z_FINISH Z_OK); -our @EXPORT_OK = qw(gzip_maybe); +our @EXPORT_OK = qw(gzip_maybe gzf_maybe); my %OPT = (-WindowBits => 15 + 16, -AppendOutput => 1); +my @GZIP_HDRS = qw(Vary Accept-Encoding Content-Encoding gzip); sub new { bless {}, shift } @@ -18,18 +19,28 @@ sub attach { $self } -sub gzip_maybe ($) { - my ($env) = @_; +sub gzip_maybe ($$) { + my ($res_hdr, $env) = @_; return if (($env->{HTTP_ACCEPT_ENCODING}) // '') !~ /\bgzip\b/; + my ($gz, $err) = Compress::Raw::Zlib::Deflate->new(%OPT); + return if $err != Z_OK; + # in case Plack::Middleware::Deflater is loaded: $env->{'plack.skip-deflater'} = 1; - my ($gz, $err) = Compress::Raw::Zlib::Deflate->new(%OPT); - $err == Z_OK ? $gz : undef; + push @$res_hdr, @GZIP_HDRS; + $gz; +} + +sub gzf_maybe ($$) { + my ($res_hdr, $env) = @_; + my $gz = gzip_maybe($res_hdr, $env) or return 0; + bless { gz => $gz }, __PACKAGE__; } # for GetlineBody (via Qspawn) when NOT using $env->{'pi-httpd.async'} +# Also used for ->getline callbacks sub translate ($$) { my $self = $_[0]; |