PhutilCIDRList.php
97f05269fdb1stable

PhutilCIDRList.php
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			<?php

			/**
			* List of CIDR notation IP blocks, like "172.30.0.0/16".
			*
			* This class is primarily useful for managing IP whitelists or blacklists.
			* For example, you can check if an address is on a subnet like this:
			*
			* $whitelist = PhutilCIDRList::newList(array('172.30.0.0/16'));
			* $ok = $whitelist->containsAddrsss('172.30.0.1');
			*/
			final class PhutilCIDRList extends Phobject {

			private $blocks;

			private function __construct() {
			// <private>
			}

			public static function newList(array $blocks) {
			foreach ($blocks as $key => $block) {
			$blocks[$key] = PhutilCIDRBlock::newBlock($block);
			}

			$obj = new PhutilCIDRList();
			$obj->blocks = $blocks;
			return $obj;
			}

			public function containsAddress($address) {
			foreach ($this->blocks as $block) {
			if ($block->containsAddress($address)) {
			return true;
			}
			}

			return false;
			}

			}