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8f797be836
- can be used via html class like:
$clean_html = html::purify($html);
- using it now in eTemplate to remove malicious code from html:
a) when displaying "formatted text"
b) when "formatted text" get's input by the user
43 lines
1.5 KiB
PHP
Executable File
43 lines
1.5 KiB
PHP
Executable File
<?php
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class HTMLPurifier_Injector_RemoveEmpty extends HTMLPurifier_Injector
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{
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private $context, $config;
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public function prepare($config, $context) {
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parent::prepare($config, $context);
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$this->config = $config;
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$this->context = $context;
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$this->attrValidator = new HTMLPurifier_AttrValidator();
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}
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public function handleElement(&$token) {
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if (!$token instanceof HTMLPurifier_Token_Start) return;
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$next = false;
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for ($i = $this->inputIndex + 1, $c = count($this->inputTokens); $i < $c; $i++) {
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$next = $this->inputTokens[$i];
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if ($next instanceof HTMLPurifier_Token_Text && $next->is_whitespace) continue;
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break;
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}
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if (!$next || ($next instanceof HTMLPurifier_Token_End && $next->name == $token->name)) {
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if ($token->name == 'colgroup') return;
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$this->attrValidator->validateToken($token, $this->config, $this->context);
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$token->armor['ValidateAttributes'] = true;
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if (isset($token->attr['id']) || isset($token->attr['name'])) return;
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$token = $i - $this->inputIndex + 1;
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for ($b = $this->inputIndex - 1; $b > 0; $b--) {
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$prev = $this->inputTokens[$b];
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if ($prev instanceof HTMLPurifier_Token_Text && $prev->is_whitespace) continue;
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break;
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}
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// This is safe because we removed the token that triggered this.
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$this->rewind($b - 1);
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return;
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}
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}
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}
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// vim: et sw=4 sts=4
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