<?php
/*
* OIDplus 2.0
* Copyright 2019 Daniel Marschall, ViaThinkSoft
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
class OIDplusIpv4 extends OIDplusObject {
private $ipv4;
private $bare;
private $cidr;
public function __construct($ipv4) {
$this->ipv4 = $ipv4;
if (strpos($ipv4, '/') === false) $ipv4 .= '/32';
$this->bare = $bare;
$this->cidr = $cidr;
if (!ipv4_valid($bare)) throw new Exception("Invalid IPv4");
if (!is_numeric($cidr)) throw new Exception
("Invalid IPv4");
if ($cidr < 0) throw new Exception("Invalid IPv4");
if ($cidr > 32) throw new Exception("Invalid IPv4");
}
}
public static function parse($node_id) {
if ($namespace !== 'ipv4') return false;
return new self($ipv4);
}
public static function objectTypeTitle() {
return "IPv4 Network Blocks";
}
public static function objectTypeTitleShort() {
return "IPv4";
}
public static function ns() {
return 'ipv4';
}
public static function root() {
return 'ipv4:';
}
public function isRoot() {
return $this->ipv4 == '';
}
public function nodeId() {
return 'ipv4:'.$this->ipv4;
}
public function addString($str) {
if (!$this->isRoot()) {
$test = (strpos($str, '/') === false) ?
"$str/32" : $str;
if (!ipv4_in_cidr($this->bare.'/'.$this->cidr, $test)) {
throw new Exception("Cannot add this address, because it must be inside the address range of the superior range.");
}
}
return 'ipv4:'.$str; // overwrite; no hierarchical tree
}
public function crudShowId(OIDplusObject $parent) {
return $this->ipv4;
}
public function crudInsertPrefix() {
return '';
}
public function jsTreeNodeName(OIDplusObject $parent = null) {
if ($parent == null) return $this->objectTypeTitle();
return $this->ipv4;
}
public function defaultTitle() {
return $this->ipv4;
}
public function isLeafNode() {
return $this->cidr >= 32;
}
public function getContentPage(&$title, &$content, &$icon) {
$icon = file_exists(__DIR__
.'/icon_big.png') ?
'plugins/objectTypes/'.basename(__DIR__
).'/icon_big.png' : '';
if ($this->isRoot()) {
$title = OIDplusIpv4::objectTypeTitle();
$res = OIDplus
::db()->query("select * from ".OIDPLUS_TABLENAME_PREFIX
."objects where parent = ?", array(self::root()));
if (OIDplus::db()->num_rows($res) > 0) {
$content = 'Please select a network block in the tree view at the left to show its contents.';
} else {
$content = 'Currently, no network blocks are registered in the system.';
}
if (!$this->isLeafNode()) {
if (OIDplus::authUtils()::isAdminLoggedIn()) {
$content .= '<h2>Manage root objects</h2>';
} else {
$content .= '<h2>Available objects</h2>';
}
$content .= '%%CRUD%%';
}
} else {
$content = '<h2>Technical information</h2>';
$content .= '<p>IPv4/CIDR: <code>' . ipv4_normalize($this->bare) . '/' . $this->cidr . '</code><br>';
if ($this->cidr < 32) {
$content .= 'First address: <code>' . ipv4_cidr_min_ip($this->bare . '/' . $this->cidr) . '</code><br>';
$content .= 'Last address: <code>' . ipv4_cidr_max_ip($this->bare . '/' . $this->cidr) . '</code></p>';
} else {
$content .= 'Single host address</p>';
}
$content .= '<h2>Description</h2>%%DESC%%';
if (!$this->isLeafNode()) {
if ($this->userHasWriteRights()) {
$content .= '<h2>Create or change subsequent objects</h2>';
} else {
$content .= '<h2>Subsequent objects</h2>';
}
$content .= '%%CRUD%%';
}
}
}
public function one_up() {
$cidr = $this->cidr - 1;
if ($cidr < 0) return false; // cannot go further up
$tmp = ipv4_normalize_range($this->bare . '/' . $cidr);
return self::parse($this->ns() . ':' . $tmp);
}
public function distance($to) {
if (!is_object($to)) $to = OIDplusObject
::parse($to);
if (!($to instanceof $this)) return false;
return ipv4_distance($to->ipv4, $this->ipv4);
}
}
OIDplus::registerObjectType('OIDplusIpv4');