friendica/mod/probe.php

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<?php
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/**
* @file mod/probe.php
*/
use Friendica\App;
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use Friendica\Core\L10n;
use Friendica\Core\System;
use Friendica\Network\Probe;
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function probe_content(App $a)
{
if (!local_user()) {
System::httpExit(403, ["title" => L10n::t("Public access denied."),
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"description" => L10n::t("Only logged in users are permitted to perform a probing.")]);
killme();
}
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$o = '<div class="generic-page-wrapper">';
$o .= '<h3>Probe Diagnostic</h3>';
$o .= '<form action="probe" method="get">';
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$o .= 'Lookup address: <input type="text" style="width: 250px;" name="addr" value="' . defaults($_GET, 'addr', '') . '" />';
$o .= '<input type="submit" name="submit" value="Submit" /></form>';
$o .= '<br /><br />';
if (!empty($_GET['addr'])) {
$addr = trim($_GET['addr']);
$res = Probe::uri($addr, "", 0, false);
$o .= '<pre>';
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$o .= str_replace("\n", '<br />', print_r($res, true));
$o .= '</pre>';
}
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$o .= '</div>';
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return $o;
}