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authorEric Wong <e@80x24.org>2020-01-01 10:38:54 +0000
committerEric Wong <e@80x24.org>2020-01-01 19:10:07 +0000
commitf1d73de7cc202a70e97c31df236e1f23267a5f14 (patch)
treedc50d6b79e69f4749df359ae821dda4258554045 /lib/PublicInbox/WwwStatic.pm
parent0a3ead80bc685fcabed9f7dfaae35c74b72cd830 (diff)
downloadpublic-inbox-f1d73de7cc202a70e97c31df236e1f23267a5f14.tar.gz
We're already serving static files for cgit, and will serve more
static files, soon.
Diffstat (limited to 'lib/PublicInbox/WwwStatic.pm')
-rw-r--r--lib/PublicInbox/WwwStatic.pm10
1 files changed, 8 insertions, 2 deletions
diff --git a/lib/PublicInbox/WwwStatic.pm b/lib/PublicInbox/WwwStatic.pm
index 58db58b4..b8efcf62 100644
--- a/lib/PublicInbox/WwwStatic.pm
+++ b/lib/PublicInbox/WwwStatic.pm
@@ -4,6 +4,7 @@
 package PublicInbox::WwwStatic;
 use strict;
 use Fcntl qw(:seek);
+use HTTP::Date qw(time2str);
 
 sub prepare_range {
         my ($env, $in, $h, $beg, $end, $size) = @_;
@@ -50,9 +51,14 @@ sub response {
         my ($env, $h, $path, $type) = @_;
         return unless -f $path && -r _; # just in case it's a FIFO :P
 
-        # TODO: If-Modified-Since and Last-Modified?
         open my $in, '<', $path or return;
         my $size = -s $in;
+        my $mtime = time2str((stat(_))[9]);
+
+        if (my $ims = $env->{HTTP_IF_MODIFIED_SINCE}) {
+                return [ 304, [], [] ] if $mtime eq $ims;
+        }
+
         my $len = $size;
         my $code = 200;
         push @$h, 'Content-Type', $type;
@@ -63,7 +69,7 @@ sub response {
                         return [ 416, $h, [] ];
                 }
         }
-        push @$h, 'Content-Length', $len;
+        push @$h, 'Content-Length', $len, 'Last-Modified', $mtime;
         my $body = bless {
                 initial_rd => 65536,
                 len => $len,