streams/Zotlabs/Module/Ap_probe.php

<?php
namespace Zotlabs\Module;

use App;
use Zotlabs\Web\Controller;
use Zotlabs\Web\HTTPSig;
use Zotlabs\Lib\ActivityStreams;
use Zotlabs\Lib\Activity;


class Ap_probe extends Controller {

	function get() {

		$channel = null;

		$o = replace_macros(get_markup_template('ap_probe.tpl'), [
			'$page_title' => t('ActivityPub Probe Diagnostic'),
			'$resource'   => [ 'resource', t('Object URL') , $_REQUEST['resource'], EMPTY_STR ],
			'$authf'      => [ 'authf', t('Authenticated fetch'), $_REQUEST['authf'], EMPTY_STR, [ t('No'), t('Yes') ] ],
			'$submit'     => t('Submit')
		]);

		if (x($_REQUEST,'resource')) {
			$resource = $_REQUEST['resource'];
			if ($_REQUEST['authf']) {
				$channel = App::get_channel();
				if (! $channel) {
					$channel = get_sys_channel();
				}
			}

			$x = Activity::fetch($resource,$channel,null,true);

			if ($x) {
				$o .= '<pre>' . str_replace('\\n',"\n",htmlspecialchars(json_encode($x,JSON_UNESCAPED_SLASHES|JSON_PRETTY_PRINT))) . '</pre>';
			}

		}

		return $o;
	}
	
}