examples/index.php from symplely/dns

examples/index.php
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<?php // DNS PHP API Example
/* -------------------------------------------------------------
This file is the PurplePixie PHP DNS Query Classes

The software is (C) Copyright 2008-2016 PurplePixie Systems

This is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

The software is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this software.  If not, see www.gnu.org/licenses

For more information see www.purplepixie.org/phpdns
-------------------------------------------------------------- */


// Below is the recommended way to load PHP DNS, with individual
// classes:
include 'vendor/autoload.php';

use Async\Dns\Answer;
use Async\Dns\Query;
use Async\Dns\Types;

// Here is the legacy way (single file to load classes) BUT must
// now also have the namespace line:
/*
require_once("dns.inc.php");
use PurplePixie\PhpDns\DNSQuery;
*/

// ** IGNORE THIS - It's just the web form ** //
$server = isset($_REQUEST['server']) ? $_REQUEST['server'] : "127.0.0.1";
$port = isset($_REQUEST['port']) ? $_REQUEST['port'] : 53;
$timeout = isset($_REQUEST['timeout']) ? $_REQUEST['timeout'] : 60;
$udp = isset($_REQUEST['tcp']) ? false : true;
$debug = isset($_REQUEST['debug']) ? true : false;
$binarydebug = isset($_REQUEST['binarydebug']) ? true : false;
$extendanswer = isset($_REQUEST['extendanswer']) ? true : false;
$type = isset($_REQUEST['type']) ? $_REQUEST['type'] : "A";
$question = isset($_REQUEST['question']) ? $_REQUEST['question'] : "www.purplepixie.org";

echo "<html><title>DNS Web Example</title><body>";
echo "<form action='./'>";
echo "<input type=hidden name=doquery value=1>";
echo "Query <input type=text name=question size=50 value=\"" . $question . "\"> ";
echo "<select name=type>";
echo "<option value=" . $type . ">" . $type . "</option>";
$types = new Types();
$types2 = $types->getAllTypeNamesSorted();
foreach ($types2 as $name) {
    echo "<option value=\"$name\">$name</option>";
}
echo "<option value=SMARTA>SmartA</option>";
echo "</select><br>";
echo "on nameserver <input type=text name=server size=30 value=\"" . $server . "\"> ";
echo "port <input name=port size=4 value=\"" . $port . "\"><br>";

if (!$udp) {
    $s = " checked";
} else {
    $s = "";
}
echo "<input type=checkbox name=tcp value=1" . $s . "> use TCP, ";

if ($debug) {
    $s = " checked";
} else {
    $s = "";
}
echo "<input type=checkbox name=debug value=1" . $s . "> show debug, ";

if ($binarydebug) {
    $s = " checked";
} else {
    $s = "";
}
echo "<input type=checkbox name=binarydebug value=1" . $s . "> show binary,";

if ($extendanswer) {
    $s = " checked";
} else {
    $s = "";
}
echo "<input type=checkbox name=extendanswer value=1" . $s . "> show detail<br>";

echo "<input type=submit value=\"Perform DNS Query\"><br>";


// ** HERE IS THE QUERY SECTION ** //

if (isset($_REQUEST['doquery'])) {
    echo "<pre>";

    $query = new Query($server, $port, $timeout, $udp, $debug, $binarydebug);

    if ($type == "SMARTA") {
        echo "Smart A Lookup for " . $question . "\n\n";
        $hostname = $query->smartALookup($question);
        echo "Result: " . $hostname . "\n\n";
        echo "</pre>";
        exit();
    }

    echo "Querying: " . $question . " -t " . $type . " @" . $server . "\n";

    $result = $query->query($question, $type);

    if ($query->hasError()) {
        echo "\nQuery Error: " . $query->getLastError() . "\n\n";
        exit();
    }

    echo "Returned " . count($result) . " Answers\n\n";

    ShowSection($result);

    if ($extendanswer) {
        echo "\nNameserver Records: " . count($query->getLastNameservers()) . "\n";
        ShowSection($query->getLastNameservers());

        echo "\nAdditional Records: " . count($query->getLastAdditional()) . "\n";
        ShowSection($query->getLastAdditional());
    }

    echo "</pre>";
}

function ShowSection(Answer $result)
{
    global $extendanswer;

    foreach ($result as $index => $record) {
        echo $index . ". ";

        if ($record->getString() == "") {
            echo $record->getTypeId() . "(" . $record->getType() . ") => " . $record->getData();
        } else {
            echo $record->getString();
        }

        echo "\n";

        if ($extendanswer) {
            echo " - record type = " . $record->getTypeId() . " (# " . $record->getType() . ")\n";
            echo " - record data = " . $record->getData() . "\n";
            echo " - record ttl = " . $record->getTtl() . "\n";

            // additional data
            if (count($record->getExtras()) > 0) {
                foreach ($record->getExtras() as $key => $val) {
                    echo " + " . $key . " = " . $val . "\n";
                }
            }
        }

        echo "\n";
    }
}