servnest/pages/ns/print.php

<form method="post">
	<input type="radio" name="print" id="table" value="table" checked="">
	<label for="table">Tableau de mes enregistrements</label>
	<br>
	<input type="radio" name="print" id="ds" value="ds">
	<label for="ds">Enregistrement DS</label>
	<br>
	<input type="radio" name="print" id="raw" value="raw">
	<label for="raw">Fichier de zone brut</label>
	<br>
	<label for="zone">Zone</label>
	<select required="" name="zone" id="zone">
		<option value="" disabled="" selected="">-</option>
<?php
if (isset($_SESSION['username']))
	foreach (nsListUserZones($_SESSION['username']) as $zone)
		echo '		<option value="' . $zone . '">' . $zone . '</option>' . LF;
?>
	</select>
	<br>
	<input value="Afficher" type="submit">
</form>

<?php

if (processForm()) {
	nsCheckZonePossession($_POST['zone']);

	$zoneContent = file_get_contents(CONF['ns']['knot_zones_path'] . '/' . $_POST['zone'] . 'zone');
	if ($zoneContent === false)
		output(500, 'Unable to read zone file.');

	if ($_POST['print'] === 'raw') {
		echo '<pre>' . htmlspecialchars($zoneContent) . '</pre>';
		output(200);
	}

	if ($_POST['print'] === 'table') { ?>

<table>
	<tr>
		<th>Domaine</th>
		<th>TTL</th>
		<th>Type</th>
		<th>Contenu</th>
	</tr>
<?php
		foreach(explode(LF, $zoneContent) as $zoneLine) {
			if (str_starts_with($zoneLine, ';')) continue; // Ignore comments
			if (empty($zoneLine)) continue;
			$elements = preg_split('/[\t ]+/', $zoneLine, 4);
			if (!in_array($elements[2], ALLOWED_TYPES, true)) continue; // Ignore records generated by Knot
			echo '	<tr>';
			foreach ($elements as $element)
				echo '		<td><code>' . htmlspecialchars($element) . '</code></td>';
			echo '	</tr>';
		}
		echo '</table>';
	}

	if ($_POST['print'] === 'ds') {

		$found = preg_match('/^' . preg_quote($_POST['zone']) . '[\t ]+0[\t ]+CDS[\t ]+(?<tag>[0-9]{1,5})[\t ]+(?<algo>[0-9]{1,2})[\t ]+(?<digest_type>[0-9])[\t ]+(?<digest>[0-9A-F]{64})$/m', $zoneContent, $matches);
		if ($found !== 1)
			output(500, 'Unable to get public key record from zone file.');

?>

<dl>
	<dt>Zone</dt>
	<dd>
		<code><?= $_POST['zone'] ?></code>
	</dd>
	<dt>Tag</dt>
	<dd>
		<code><?= $matches['tag'] ?></code>
	</dd>
	<dt>Algorithme</dt>
	<dd>
		<code><?= $matches['algo'] ?></code><?php if ($matches['algo'] === '15') echo ' (Ed25519)'; ?>
	</dd>
	<dt>Type de condensat</dt>
	<dd>
		<code><?= $matches['digest_type'] ?></code><?php if ($matches['digest_type'] === '2') echo ' (SHA-256)'; ?>
	</dd>
	<dt>Condensat</dt>
	<dd>
		<code><?= $matches['digest'] ?></code>
	</dd>
</dl>

<?php
		output(200);
	}
}