logbot/logbot-redirect

#!/usr/bin/perl
use local::lib;
use v5.10;
use strict;
use warnings;

use FindBin qw( $RealBin );
use lib "$RealBin/lib";

BEGIN { $ENV{TZ} = 'UTC' }

use LogBot::Config qw( find_config load_config );
use LogBot::Util qw( file_time );
use LogBot::Web::Util qw( rewrite_old_urls );
use Mojo::URL ();
use Mojolicious::Lite qw( app );

# build default url
my $default_network = $ENV{LOGBOT_DEFAULT_NETWORK} // die 'LOGBOT_DEFAULT_NETWORK not set';
my $default_config = load_config(find_config($default_network), web => 1);
my $default_url = Mojo::URL->new($default_config->{url});

sub redirect {
    my ($c) = @_;

    $c->stash(config => $default_config);
    my $redirect_url = rewrite_old_urls($c);

    # redirect old server-side url
    if (defined($c->req->query_params->param('cid'))) {
        say "redirecting old url to $redirect_url" if $ENV{DEBUG};
        return $c->redirect_to($redirect_url);
    }

    # redirect old urls
    if ($redirect_url) {
        say "redirecting old url to $redirect_url" if $ENV{DEBUG};
        $c->stash(redirect_to => $redirect_url);
        return $c->render('redirect');
    }

    # redirect to default network
    my $req_url = $c->req->url;
    my $url     = $default_url->clone();
    $url->path($req_url->path);
    $url->query($req_url->query);
    say "redirecting to $url" if $ENV{DEBUG};
    $c->redirect_to($url);
}

# static file with timestamp
my %cache;
helper static => sub {
    my ($self, $file) = @_;
    return $cache{static}->{$file} //= '/static/' . $file . '?' . file_time($RealBin . '/web/public/static/' . $file);
};

# configure mojo
app->secrets('!logbot!');
app->renderer->paths([$RealBin . '/web/templates']);
app->static->paths([$RealBin . '/web/public']);
app->config(
    hypnotoad => {
        listen => ['http://127.0.0.1:' . ($ENV{LOGBOT_PORT} // 3001)],
        pid_file => ($ENV{LOGBOT_PID_FILE} // $RealBin . '/logbot-web.pid'),
        workers => 2,
    },
);

get '/'  => \&redirect;
get '/*' => \&redirect;

app->start;