123 lines
3.1 KiB
PHP
Executable file
123 lines
3.1 KiB
PHP
Executable file
<?php
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class Host implements Object {
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private $punycode;
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public $zone;
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public $generated;
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/*
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* Constructor & Factory
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*/
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public function __construct($hostname, Zone $zone, $generated = false) {
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$hostname = strtolower($hostname);
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if (self::isValid(idn_to_ascii($hostname))) {
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$this->punycode = idn_to_ascii($hostname);
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$this->zone = $zone;
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$this->generated = $generated;
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}
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else {
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if (strlen($hostname) > 63)
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throw new UserException('Invalid hostname: too long');
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else
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throw new UserException('Invalid hostname: ' . idn_to_ascii($hostname));
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}
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}
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public static function unique(Zone $zone, Database $db) {
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$config = Registry::get('config');
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$sql = 'SELECT hostname
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FROM ' . $config['db']['tbl']['hosts'] . '
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WHERE
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generated = TRUE &&
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zone = \'' . $db->escape($zone->name) . '\'
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ORDER BY id DESC';
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$result = $db->query($sql, 1);
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$first = $result->first();
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$last_id = base_convert($first['hostname'], 36, 10);
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while ($result->count() > 0 || !Host::isValid(base_convert($last_id, 10, 36))) {
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$sql = 'SELECT hostname
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FROM ' . $config['db']['tbl']['hosts'] . '
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WHERE
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hostname = \'' . base_convert(++$last_id, 10, 36) . '\' &&
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zone = \'' . $db->escape($zone->name) . '\'';
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$result = $db->query($sql, 1);
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}
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return new self(base_convert($last_id, 10, 36), $zone, true);
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}
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/*
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* Checks
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*/
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public static function isValid($hostname) {
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$hostExpr = '[a-z0-9](?:[a-z0-9\-]*[a-z0-9])?';
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return preg_match('/^(?:\*|(\*\.)?(' . $hostExpr . '\.)*(' . $hostExpr . '))$/i', $hostname);
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}
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public function isRegistred(Database $db) {
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$config = Registry::get('config');
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$sql = 'SELECT *
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FROM ' . $config['db']['tbl']['hosts'] . '
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WHERE hostname = \'' . $db->escape($this->toPunycode()) . '\' && zone = \'' . $db->escape($this->zone->name) . '\'';
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$result = $db->query($sql, 1);
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$host = $result->first();
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return ($result->count() > 0) ? $host['id'] : false;
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}
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/*
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* Database
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*/
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public function add($pw, Database $db) {
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$config = Registry::get('config');
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$sql = 'INSERT INTO ' . $config['db']['tbl']['hosts'] . ' (hostname, zone, password, generated)
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VALUES (
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\'' . $db->escape($this->toPunycode()) . '\',
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\'' . $db->escape($this->zone->name) . '\',
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\'' . $db->escape(sha1($pw)) . '\',
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' . (int) $this->generated . ')';
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$db->execute($sql);
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return new DBHost($db->lastId(), $db);
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}
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/*
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* Output
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*/
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public function toUnicode() {
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return idn_to_utf8($this->punycode);
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}
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public function toPunycode() {
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return $this->punycode;
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}
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public function __toString() {
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return $this->toPunycode() . '.' . $this->zone->name;
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}
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public function toXml(DOMDocument $doc) {
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$xmlHost = $doc->createElement('host');
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$xmlHost->appendChild($doc->createElement('hostname', $this->toPunycode()));
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$xmlHost->appendChild($doc->createElement('idn', $this->toUnicode()));
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$xmlHost->appendChild($this->zone->toXml($doc));
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return $xmlHost;
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}
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public function toHtml() {
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return '<a target="_blank" href="http://' . $this . '">' . $this->toUnicode() . '.' . $this->zone->name . '</a>';
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}
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}
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?>
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