-# Copyright (C) 2016 all contributors <meta@public-inbox.org>
+# Copyright (C) all contributors <meta@public-inbox.org>
# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
+# wraps a listen socket for HTTP and links it to the PSGI app in
+# public-inbox-httpd
package PublicInbox::HTTPD;
+use v5.10.1;
use strict;
-use warnings;
-use Plack::Util;
-require PublicInbox::HTTPD::Async;
-require PublicInbox::Daemon;
-
-sub pi_httpd_async {
- my ($io, $cb) = @_;
- PublicInbox::HTTPD::Async->new($io, $cb);
-}
+use Plack::Util ();
+use Plack::Builder;
+use PublicInbox::HTTP;
+use PublicInbox::HTTPD::Async;
-sub new {
- my ($class, $sock, $app) = @_;
- my $n = getsockname($sock) or die "not a socket: $sock $!\n";
- my ($host, $port) = PublicInbox::Daemon::host_with_port($n);
+sub pi_httpd_async { PublicInbox::HTTPD::Async->new(@_) }
+
+# we have a different env for ever listener socket for
+# SERVER_NAME, SERVER_PORT and psgi.url_scheme
+# envs: listener FD => PSGI env
+sub new { bless { envs => {}, err => \*STDERR }, __PACKAGE__ }
- my %env = (
+# this becomes {srv_env} in PublicInbox::HTTP
+sub env_for ($$$) {
+ my ($self, $srv, $client) = @_;
+ my $n = getsockname($srv) or die "not a socket: $srv $!\n";
+ my ($host, $port) = PublicInbox::Daemon::host_with_port($n);
+ {
SERVER_NAME => $host,
SERVER_PORT => $port,
SCRIPT_NAME => '',
'psgi.version' => [ 1, 1 ],
- 'psgi.errors' => \*STDERR,
- 'psgi.url_scheme' => 'http',
+ 'psgi.errors' => $self->{err},
+ 'psgi.url_scheme' => $client->can('accept_SSL') ?
+ 'https' : 'http',
'psgi.nonblocking' => Plack::Util::TRUE,
'psgi.streaming' => Plack::Util::TRUE,
'psgi.run_once' => Plack::Util::FALSE,
'psgi.multithread' => Plack::Util::FALSE,
'psgi.multiprocess' => Plack::Util::TRUE,
- 'psgix.harakiri'=> Plack::Util::FALSE,
+
+ # We don't use this anywhere, but we can support
+ # other PSGI apps which might use it:
'psgix.input.buffered' => Plack::Util::TRUE,
- 'pi-httpd.async' => do {
- no warnings 'once';
- *pi_httpd_async
- },
- );
- bless {
- app => $app,
- env => \%env
- }, $class;
+
+ # XXX unstable API!, only GitHTTPBackend needs
+ # this to limit git-http-backend(1) parallelism.
+ # We also check for the truthiness of this to
+ # detect when to use async paths for slow blobs
+ 'pi-httpd.async' => \&pi_httpd_async,
+ 'pi-httpd.app' => $self->{app},
+ 'pi-httpd.warn_cb' => $self->{warn_cb},
+ }
+}
+
+sub refresh_groups {
+ my ($self) = @_;
+ my $app;
+ $self->{psgi} //= $main::ARGV[0] if @main::ARGV;
+ if ($self->{psgi}) {
+ eval { $app = Plack::Util::load_psgi($self->{psgi}) };
+ die $@, <<EOM if $@;
+$0 runs in /, command-line paths must be absolute
+EOM
+ } else {
+ require PublicInbox::WWW;
+ my $www = PublicInbox::WWW->new;
+ $www->preload;
+ $app = builder {
+ eval { enable 'ReverseProxy' };
+ $@ and warn <<EOM;
+Plack::Middleware::ReverseProxy missing,
+URL generation for redirects may be wrong if behind a reverse proxy
+EOM
+ enable 'Head';
+ sub { $www->call(@_) };
+ };
+ }
+ $_->{'pi-httpd.app'} = $app for values %{$self->{envs}};
+ $self->{app} = $app;
+}
+
+sub post_accept_cb { # for Listener->{post_accept}
+ my ($self) = @_;
+ sub {
+ my ($client, $addr, $srv) = @_; # $_[4] - tls_wrap (unused)
+ PublicInbox::HTTP->new($client, $addr,
+ $self->{envs}->{fileno($srv)} //=
+ env_for($self, $srv, $client));
+ }
}
1;