examples/public-inbox.psgi

#!/usr/bin/perl -w
# Copyright (C) 2014-2021 all contributors <meta@public-inbox.org>
# License: GPL-3.0+ <https://www.gnu.org/licenses/gpl-3.0.txt>
# Note: this is part of our test suite, update t/plack.t if this changes
# Usage: plackup [OPTIONS] /path/to/this/file
#
# A startup command for development which monitors changes:
#	plackup -I lib -o 127.0.0.1 -R lib -r examples/public-inbox.psgi
#
# .psgi paths may also be passed to public-inbox-httpd(1) for
# production deployments:
#	public-inbox-httpd [OPTIONS] /path/to/examples/public-inbox.psgi
use strict;
use warnings;
use PublicInbox::WWW;
use Plack::Builder;
my $www = PublicInbox::WWW->new;
$www->preload;

# share the public-inbox code itself:
my $src = $ENV{SRC_GIT_DIR}; # '/path/to/public-inbox.git'
$src = PublicInbox::Git->new($src) if defined $src;

builder {
	# Enable to ensure redirects and Atom feed URLs are generated
	# properly when running behind a reverse proxy server which
	# sets the X-Forwarded-Proto request header.
	# See Plack::Middleware::ReverseProxy documentation for details
	eval { enable 'ReverseProxy' };
	$@ and warn
"Plack::Middleware::ReverseProxy missing,\n",
"URL generation for redirects may be wrong if behind a reverse proxy\n";

	# Optional: Log timing information for requests to track performance.
	# Logging to STDOUT is recommended since public-inbox-httpd knows
	# how to reopen it via SIGUSR1 after log rotation.
	# enable 'AccessLog::Timed',
	#	logger => sub { syswrite(STDOUT, $_[0]) },
	#	format => '%t "%r" %>s %b %D';

	enable 'Head';
	sub {
		my ($env) = @_;
		# share public-inbox.git code!
		if ($src && $env->{PATH_INFO} =~
				m!\A/(?:public-inbox(?:\.git)?/)?
				($PublicInbox::GitHTTPBackend::ANY)\z!xo) {
			PublicInbox::GitHTTPBackend::serve($env, $src, $1);
		} else {
			$www->call($env);
		}
	};
}