mirror of https://github.com/friendica/friendica
24 lines
820 B
PHP
24 lines
820 B
PHP
<?php
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class HTMLPurifier_URIFilter_DisableExternal extends HTMLPurifier_URIFilter
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{
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public $name = 'DisableExternal';
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protected $ourHostParts = false;
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public function prepare($config) {
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$our_host = $config->getDefinition('URI')->host;
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if ($our_host !== null) $this->ourHostParts = array_reverse(explode('.', $our_host));
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}
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public function filter(&$uri, $config, $context) {
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if (is_null($uri->host)) return true;
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if ($this->ourHostParts === false) return false;
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$host_parts = array_reverse(explode('.', $uri->host));
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foreach ($this->ourHostParts as $i => $x) {
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if (!isset($host_parts[$i])) return false;
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if ($host_parts[$i] != $this->ourHostParts[$i]) return false;
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}
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return true;
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}
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}
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// vim: et sw=4 sts=4
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