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author | Eric Wong <e@yhbt.net> | 2020-07-05 23:27:28 +0000 |
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committer | Eric Wong <e@yhbt.net> | 2020-07-06 20:01:15 +0000 |
commit | f982abbaa39e07090d3fb641fd9de25434c0d74c (patch) | |
tree | e5c5d0a4cd6312045ea79dd8706ac390624ed734 /lib/PublicInbox/GzipFilter.pm | |
parent | 2bb3b3491416232a44ad8b318537c856cff727f4 (diff) | |
download | public-inbox-f982abbaa39e07090d3fb641fd9de25434c0d74c.tar.gz |
This will allow us to gzip responses generated by cgit and any other CGI programs or long-lived streaming responses we may spawn.
Diffstat (limited to 'lib/PublicInbox/GzipFilter.pm')
-rw-r--r-- | lib/PublicInbox/GzipFilter.pm | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/lib/PublicInbox/GzipFilter.pm b/lib/PublicInbox/GzipFilter.pm index 0fbb4476..0a6c56a5 100644 --- a/lib/PublicInbox/GzipFilter.pm +++ b/lib/PublicInbox/GzipFilter.pm @@ -32,6 +32,22 @@ sub gzf_maybe ($$) { bless { gz => $gz }, __PACKAGE__; } +sub qsp_maybe ($$) { + my ($res_hdr, $env) = @_; + return if ($env->{HTTP_ACCEPT_ENCODING} // '') !~ /\bgzip\b/; + my $hdr = join("\n", @$res_hdr); + return if $hdr !~ m!^Content-Type\n + (?:(?:text/(?:html|plain))| + application/atom\+xml)\b!ixsm; + return if $hdr =~ m!^Content-Encoding\ngzip\n!smi; + return if $hdr =~ m!^Content-Length\n[0-9]+\n!smi; + return if $hdr =~ m!^Transfer-Encoding\n!smi; + # in case Plack::Middleware::Deflater is loaded: + return if $env->{'plack.skip-deflater'}++; + push @$res_hdr, @GZIP_HDRS; + bless {}, __PACKAGE__; +} + sub gzip_or_die () { my ($gz, $err) = Compress::Raw::Zlib::Deflate->new(%OPT); $err == Z_OK or die "Deflate->new failed: $err"; |