# Used by PublicInbox::WWW
package PublicInbox::WwwListing;
use strict;
-use warnings;
-use PublicInbox::Hval qw(ascii_html prurl);
+use PublicInbox::Hval qw(prurl fmt_ts);
use PublicInbox::Linkify;
-use PublicInbox::View;
-use PublicInbox::Inbox;
-use bytes ();
-use HTTP::Date qw(time2str);
-require Digest::SHA;
-require File::Spec;
-*try_cat = \&PublicInbox::Inbox::try_cat;
-
-sub list_all_i {
- my ($ibx, $arg) = @_;
- my ($list, $hide_key) = @$arg;
- push @$list, $ibx unless $ibx->{-hide}->{$hide_key};
-}
-
-sub list_all ($$$) {
- my ($self, $env, $hide_key) = @_;
- my $list = [];
- $self->{pi_config}->each_inbox(\&list_all_i, [ $list, $hide_key ]);
- $list;
-}
-
-sub list_match_domain_i {
- my ($ibx, $arg) = @_;
- my ($list, $hide_key, $re) = @$arg;
- if (!$ibx->{-hide}->{$hide_key} && grep($re, @{$ibx->{url}})) {
- push @$list, $ibx;
- }
-}
-
-sub list_match_domain ($$$) {
- my ($self, $env, $hide_key) = @_;
- my $list = [];
- my $host = $env->{HTTP_HOST} // $env->{SERVER_NAME};
- $host =~ s/:[0-9]+\z//;
- my $arg = [ $list, $hide_key,
- qr!\A(?:https?:)?//\Q$host\E(?::[0-9]+)?/!i ];
- $self->{pi_config}->each_inbox(\&list_match_domain_i, $arg);
- $list;
-}
-
-sub list_404 ($$) { [] }
-
-# TODO: +cgit
-my %VALID = (
- all => *list_all,
- 'match=domain' => *list_match_domain,
- 404 => *list_404,
-);
-
-sub set_cb ($$$) {
- my ($pi_config, $k, $default) = @_;
- my $v = $pi_config->{lc $k} // $default;
- $VALID{$v} || do {
- warn <<"";
-`$v' is not a valid value for `$k'
-$k be one of `all', `match=domain', or `404'
-
- $VALID{$default};
- };
-}
-
-sub new {
- my ($class, $www) = @_;
- my $pi_config = $www->{pi_config};
- bless {
- pi_config => $pi_config,
- style => $www->style("\0"),
- www_cb => set_cb($pi_config, 'publicInbox.wwwListing', 404),
- manifest_cb => set_cb($pi_config, 'publicInbox.grokManifest',
- 'match=domain'),
- }, $class;
-}
+use PublicInbox::GzipFilter qw(gzf_maybe);
+use PublicInbox::ConfigIter;
+use bytes (); # bytes::length
sub ibx_entry {
- my ($mtime, $ibx, $env) = @_;
- my $ts = PublicInbox::View::fmt_ts($mtime);
- my $url = prurl($env, $ibx->{url});
+ my ($ctx, $ibx) = @_;
+ my $mtime = $ibx->modified;
+ my $ts = fmt_ts($mtime);
+ my $url = prurl($ctx->{env}, $ibx->{url});
my $tmp = <<"";
* $ts - $url
${\$ibx->description}
if (defined(my $info_url = $ibx->{infourl})) {
- $tmp .= ' ' . prurl($env, $info_url) . "\n";
- }
- $tmp;
-}
-
-sub html ($$) {
- my ($env, $list) = @_;
- my $title = 'public-inbox';
- my $out = '';
- my $code = 404;
- if (@$list) {
- $title .= ' - listing';
- $code = 200;
-
- # Schwartzian transform since Inbox->modified is expensive
- @$list = sort {
- $b->[0] <=> $a->[0]
- } map { [ $_->modified, $_ ] } @$list;
-
- my $tmp = join("\n", map { ibx_entry(@$_, $env) } @$list);
- my $l = PublicInbox::Linkify->new;
- $out = '<pre>'.$l->to_html($tmp).'</pre><hr>';
+ $tmp .= ' ' . prurl($ctx->{env}, $info_url) . "\n";
}
- $out = "<html><head><title>$title</title></head><body>" . $out;
- $out .= '<pre>'. PublicInbox::WwwStream::code_footer($env) .
- '</pre></body></html>';
-
- my $h = [ 'Content-Type', 'text/html; charset=UTF-8' ];
- [ $code, $h, [ $out ] ];
+ push @{$ctx->{-list}}, [ $mtime, $tmp ];
}
-my $json;
-sub _json () {
- for my $mod (qw(JSON::MaybeXS JSON JSON::PP)) {
- eval "require $mod" or next;
- # ->ascii encodes non-ASCII to "\uXXXX"
- return $mod->new->ascii(1);
+sub list_match_i { # ConfigIter callback
+ my ($cfg, $section, $re, $ctx) = @_;
+ if (defined($section)) {
+ return if $section !~ m!\Apublicinbox\.([^/]+)\z!;
+ my $ibx = $cfg->lookup_name($1) or return;
+ if (!$ibx->{-hide}->{$ctx->hide_key} &&
+ grep(/$re/, @{$ibx->{url}})) {
+ $ctx->ibx_entry($ibx);
+ }
+ } else { # undef == "EOF"
+ $ctx->{-wcb}->($ctx->psgi_triple);
}
- die;
}
-sub fingerprint ($) {
- my ($git) = @_;
- # TODO: convert to qspawn for fairness when there's
- # thousands of repos
- my ($fh, $pid) = $git->popen('show-ref');
- my $dig = Digest::SHA->new(1);
- while (read($fh, my $buf, 65536)) {
- $dig->add($buf);
+sub url_regexp {
+ my ($ctx, $key, $default) = @_;
+ $key //= 'publicInbox.wwwListing';
+ $default //= '404';
+ my $v = $ctx->{www}->{pi_config}->{lc $key} // $default;
+again:
+ if ($v eq 'match=domain') {
+ my $h = $ctx->{env}->{HTTP_HOST} // $ctx->{env}->{SERVER_NAME};
+ $h =~ s/:[0-9]+\z//;
+ qr!\A(?:https?:)?//\Q$h\E(?::[0-9]+)?/!i;
+ } elsif ($v eq 'all') {
+ qr/./;
+ } elsif ($v eq '404') {
+ undef;
+ } else {
+ warn <<EOF;
+`$v' is not a valid value for `$key'
+$key be one of `all', `match=domain', or `404'
+EOF
+ $v = $default; # 'match=domain' or 'all'
+ goto again;
}
- close $fh;
- waitpid($pid, 0);
- return if $?; # empty, uninitialized git repo
- $dig->hexdigest;
}
-sub manifest_add ($$;$$) {
- my ($manifest, $ibx, $epoch, $default_desc) = @_;
- my $url_path = "/$ibx->{name}";
- my $git_dir = $ibx->{inboxdir};
- if (defined $epoch) {
- $git_dir .= "/git/$epoch.git";
- $url_path .= "/git/$epoch.git";
- }
- return unless -d $git_dir;
- my $git = PublicInbox::Git->new($git_dir);
- my $fingerprint = fingerprint($git) or return; # no empty repos
-
- chomp(my $owner = $git->qx('config', 'gitweb.owner'));
- chomp(my $desc = try_cat("$git_dir/description"));
- $owner = undef if $owner eq '';
- $desc = 'Unnamed repository' if $desc eq '';
-
- # templates/hooks--update.sample and git-multimail in git.git
- # only match "Unnamed repository", not the full contents of
- # templates/this--description in git.git
- if ($desc =~ /\AUnnamed repository/) {
- $desc = "$default_desc [epoch $epoch]" if defined($epoch);
- }
-
- my $reference;
- chomp(my $alt = try_cat("$git_dir/objects/info/alternates"));
- if ($alt) {
- # n.b.: GitPython doesn't seem to handle comments or C-quoted
- # strings like native git does; and we don't for now, either.
- my @alt = split(/\n+/, $alt);
-
- # grokmirror only supports 1 alternate for "reference",
- if (scalar(@alt) == 1) {
- my $objdir = "$git_dir/objects";
- $reference = File::Spec->rel2abs($alt[0], $objdir);
- $reference =~ s!/[^/]+/?\z!!; # basename
- }
- }
- $manifest->{-abs2urlpath}->{$git_dir} = $url_path;
- my $modified = $git->modified;
- if ($modified > $manifest->{-mtime}) {
- $manifest->{-mtime} = $modified;
+sub hide_key { 'www' }
+
+sub response {
+ my ($class, $ctx) = @_;
+ bless $ctx, $class;
+ my $re = $ctx->url_regexp or return $ctx->psgi_triple;
+ my $iter = PublicInbox::ConfigIter->new($ctx->{www}->{pi_config},
+ \&list_match_i, $re, $ctx);
+ sub {
+ $ctx->{-wcb} = $_[0]; # HTTP server callback
+ $ctx->{env}->{'pi-httpd.async'} ?
+ $iter->event_step : $iter->each_section;
}
- $manifest->{$url_path} = {
- owner => $owner,
- reference => $reference,
- description => $desc,
- modified => $modified,
- fingerprint => $fingerprint,
- };
}
-# manifest.js.gz
-sub js ($$) {
- my ($env, $list) = @_;
- eval { require IO::Compress::Gzip } or return [ 404, [], [] ];
-
- my $manifest = { -abs2urlpath => {}, -mtime => 0 };
- for my $ibx (@$list) {
- if (defined(my $max = $ibx->max_git_epoch)) {
- my $desc = $ibx->description;
- for my $epoch (0..$max) {
- manifest_add($manifest, $ibx, $epoch, $desc);
- }
- } else {
- manifest_add($manifest, $ibx);
- }
- }
- my $abs2urlpath = delete $manifest->{-abs2urlpath};
- my $mtime = delete $manifest->{-mtime};
- while (my ($url_path, $repo) = each %$manifest) {
- defined(my $abs = $repo->{reference}) or next;
- $repo->{reference} = $abs2urlpath->{$abs};
- }
- my $out;
- IO::Compress::Gzip::gzip(\(($json ||= _json())->encode($manifest)) =>
- \$out);
- $manifest = undef;
- [ 200, [ qw(Content-Type application/gzip),
- 'Last-Modified', time2str($mtime),
- 'Content-Length', bytes::length($out) ], [ $out ] ];
-}
-
-# not really a stand-alone PSGI app, but maybe it could be...
-sub call {
- my ($self, $env) = @_;
-
- if ($env->{PATH_INFO} eq '/manifest.js.gz') {
- # grokmirror uses relative paths, so it's domain-dependent
- my $list = $self->{manifest_cb}->($self, $env, 'manifest');
- js($env, $list);
- } else { # /
- my $list = $self->{www_cb}->($self, $env, 'www');
- html($env, $list);
+sub psgi_triple {
+ my ($ctx) = @_;
+ my $h = [ 'Content-Type', 'text/html; charset=UTF-8',
+ 'Content-Length', undef ];
+ my $gzf = gzf_maybe($h, $ctx->{env});
+ $gzf->zmore('<html><head><title>' .
+ 'public-inbox listing</title>' .
+ '</head><body><pre>');
+ my $code = 404;
+ if (my $list = $ctx->{-list}) {
+ $code = 200;
+ # sort by ->modified
+ @$list = map { $_->[1] } sort { $b->[0] <=> $a->[0] } @$list;
+ $list = join("\n", @$list);
+ my $l = PublicInbox::Linkify->new;
+ $gzf->zmore($l->to_html($list));
+ } else {
+ $gzf->zmore('no inboxes, yet');
}
+ my $out = $gzf->zflush('</pre><hr><pre>'.
+ PublicInbox::WwwStream::code_footer($ctx->{env}) .
+ '</pre></body></html>');
+ $h->[3] = bytes::length($out);
+ [ $code, $h, [ $out ] ];
}
1;