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bug #17986 [DomCrawler] Dont use LIBXML_PARSEHUGE by default (nicolas-grekas)

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This PR was merged into the 2.3 branch.

Discussion
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[DomCrawler] Dont use LIBXML_PARSEHUGE by default

| Q             | A
| ------------- | ---
| Branch        | 2.3
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | no
| Fixed tickets | #16873, #17956
| License       | MIT
| Doc PR        | -

Because of http://symfony.com/blog/security-release-symfony-2-0-17-released

Commits
-------

fda32f8 [DomCrawler] Dont use LIBXML_PARSEHUGE by default
This commit is contained in:
Fabien Potencier 2016-03-02 16:22:15 +01:00
commit 5b577ddd19
1 changed files with 5 additions and 2 deletions
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7
src/Symfony/Component/DomCrawler/Crawler.php
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@ -219,8 +219,11 @@ class Crawler extends \SplObjectStorage
*
* @param string $content The XML content
* @param string $charset The charset
* @param int $options Bitwise OR of the libxml option constants
* LIBXML_PARSEHUGE is dangerous, see
* http://symfony.com/blog/security-release-symfony-2-0-17-released
*/
public function addXmlContent($content, $charset = 'UTF-8')
public function addXmlContent($content, $charset = 'UTF-8', $options = LIBXML_NONET)
{
$internalErrors = libxml_use_internal_errors(true);
$disableEntities = libxml_disable_entity_loader(true);
@ -230,7 +233,7 @@ class Crawler extends \SplObjectStorage
if ('' !== trim($content)) {
// remove the default namespace to make XPath expressions simpler
@$dom->loadXML(str_replace('xmlns', 'ns', $content), LIBXML_NONET | (defined('LIBXML_PARSEHUGE') ? LIBXML_PARSEHUGE : 0));
@$dom->loadXML(str_replace('xmlns', 'ns', $content), $options);
}
libxml_use_internal_errors($internalErrors);