Hyperlink-Redirect/lib/Hyperlink-Redirect.rakumod

use Humming-Bird::Core;
use Template6;
use Base64;
use Libarchive::Filter :gzip;

# Normally would 'use' local libs here for Controller and Model and
# what not but keeping it simple for now...

# Set things up (config stuff would go here?)
my $templates = Template6.new;
$templates.add-path: 'templates';

# Must set the root path lest yet miss setting $!root
my $router = Router.new(root => '/');

$router.get(-> $request, $response {
    $response.html($templates.process: 'index');
});

$router.post(-> $request, $response {
    my $return-url = $request.content.{'hyperlink'};
    my $url-scheme = $request.headers.{'X-Forwarded-Proto'} || 'http';
    my $url-host   = $request.headers.{'Host'};
    my $base-url   = $url-scheme ~ '://' ~ $url-host ~ '/';
    my $hyperlink  = $base-url ~ encode-base64(gzip($return-url), :str);

    $response.html($templates.process: 'index', :$hyperlink);
});

# Try a wildcard to catch 'all' path
$router.get('/**', -> $request, $response {
    my $return-url   = $request.path.substr(1); # Omits the leading slash
    my $redirect-url = gunzip(decode-base64($return-url, :bin));

    $response.redirect($redirect-url);
});