X-Git-Url: http://www.git.stargrave.org/?a=blobdiff_plain;f=lib%2FPublicInbox%2FGitHTTPBackend.pm;h=b4851920fe04f55b51ede42fa6770b70982cf17e;hb=52052329acedddc0082487283a5a0390a8c86602;hp=9464cb499a3f0c4744b8b33eec1559e415da4887;hpb=64aea34d06f71828b0bdd6ae177b9bcf22d752b4;p=public-inbox.git diff --git a/lib/PublicInbox/GitHTTPBackend.pm b/lib/PublicInbox/GitHTTPBackend.pm index 9464cb49..b4851920 100644 --- a/lib/PublicInbox/GitHTTPBackend.pm +++ b/lib/PublicInbox/GitHTTPBackend.pm @@ -23,7 +23,7 @@ my @binary = qw! objects/pack/pack-[a-f0-9]{40}\.(?:pack|idx) !; -our $ANY = join('|', @binary, @text); +our $ANY = join('|', @binary, @text, 'git-upload-pack'); my $BIN = join('|', @binary); my $TEXT = join('|', @text); @@ -40,15 +40,17 @@ sub r ($;$) { } sub serve { - my ($cgi, $git, $path) = @_; + my ($env, $git, $path) = @_; - my $service = $cgi->query_parameters->get('service') || ''; - if ($service =~ /\Agit-\w+-pack\z/ || $path =~ /\Agit-\w+-pack\z/) { - my $ok = serve_smart($cgi, $git, $path); + # Documentation/technical/http-protocol.txt in git.git + # requires one and exactly one query parameter: + if ($env->{QUERY_STRING} =~ /\Aservice=git-\w+-pack\z/ || + $path =~ /\Agit-\w+-pack\z/) { + my $ok = serve_smart($env, $git, $path); return $ok if $ok; } - serve_dumb($cgi, $git, $path); + serve_dumb($env, $git, $path); } sub err ($@) { @@ -63,7 +65,7 @@ sub drop_client ($) { } sub serve_dumb { - my ($cgi, $git, $path) = @_; + my ($env, $git, $path) = @_; my @h; my $type; @@ -78,11 +80,10 @@ sub serve_dumb { return r(404); } - my $f = "$git->{git_dir}/$path"; + my $f = (ref $git ? $git->{git_dir} : $git) . '/' . $path; return r(404) unless -f $f && -r _; # just in case it's a FIFO :P my @st = stat(_); my $size = $st[7]; - my $env = $cgi->{env}; # TODO: If-Modified-Since and Last-Modified? open my $in, '<', $f or return r(404); @@ -90,7 +91,7 @@ sub serve_dumb { my $code = 200; push @h, 'Content-Type', $type; if (($env->{HTTP_RANGE} || '') =~ /\bbytes=(\d*)-(\d*)\z/) { - ($code, $len) = prepare_range($cgi, $in, \@h, $1, $2, $size); + ($code, $len) = prepare_range($env, $in, \@h, $1, $2, $size); if ($code == 416) { push @h, 'Content-Range', "bytes */$size"; return [ 416, \@h, [] ]; @@ -118,7 +119,7 @@ sub serve_dumb { } sub prepare_range { - my ($cgi, $in, $h, $beg, $end, $size) = @_; + my ($env, $in, $h, $beg, $end, $size) = @_; my $code = 200; my $len = $size; if ($beg eq '') { @@ -152,7 +153,7 @@ sub prepare_range { push @$h, "bytes $beg-$end/$size"; # FIXME: Plack::Middleware::Deflater bug? - $cgi->{env}->{'psgix.no-compress'} = 1; + $env->{'psgix.no-compress'} = 1; } } ($code, $len); @@ -160,8 +161,7 @@ sub prepare_range { # returns undef if 403 so it falls back to dumb HTTP sub serve_smart { - my ($cgi, $git, $path) = @_; - my $env = $cgi->{env}; + my ($env, $git, $path) = @_; my $in = $env->{'psgi.input'}; my $fd = eval { fileno($in) }; unless (defined $fd && $fd >= 0) { @@ -179,17 +179,15 @@ sub serve_smart { my $val = $env->{$name}; $env{$name} = $val if defined $val; } - my $git_dir = $git->{git_dir}; + my $git_dir = ref $git ? $git->{git_dir} : $git; $env{GIT_HTTP_EXPORT_ALL} = '1'; $env{PATH_TRANSLATED} = "$git_dir/$path"; my %rdr = ( 0 => fileno($in) ); my $x = PublicInbox::Qspawn->new([qw(git http-backend)], \%env, \%rdr); my ($fh, $rpipe); my $end = sub { - $rpipe = undef; if (my $err = $x->finish) { err($env, "git http-backend ($git_dir): $err"); - drop_client($env); } $fh->close if $fh; # async-only }; @@ -201,8 +199,8 @@ sub serve_smart { my $r = sysread($rpipe, $buf, 1024, length($buf)); return if !defined($r) && ($!{EINTR} || $!{EAGAIN}); return r(500, 'http-backend error') unless $r; - $r = parse_cgi_headers(\$buf) or return; - $r->[0] == 403 ? serve_dumb($cgi, $git, $path) : $r; + $r = parse_cgi_headers(\$buf) or return; # incomplete headers + $r->[0] == 403 ? serve_dumb($env, $git, $path) : $r; }; my $res; my $async = $env->{'pi-httpd.async'}; @@ -211,7 +209,12 @@ sub serve_smart { my $r = $rd_hdr->() or return; $rd_hdr = undef; if (scalar(@$r) == 3) { # error: - $async->close if $async; + if ($async) { + $async->close; # calls rpipe->close + } else { + $rpipe->close; + $end->(); + } return $res->($r); } if ($async) { @@ -220,13 +223,8 @@ sub serve_smart { } # for synchronous PSGI servers - $r->[2] = Plack::Util::inline_object( - close => $end, - getline => sub { - my $ret = $buf; - $buf = undef; - defined $ret ? $ret : $rpipe->getline; - }); + require PublicInbox::GetlineBody; + $r->[2] = PublicInbox::GetlineBody->new($rpipe, $end, $buf); $res->($r); }; sub {