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Merge pull request #58 from box/improve_xml_security

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Prevent entity loading when reading XML
This commit is contained in:
Adrien Loison 2015-07-01 14:19:49 -07:00
commit c6ebf115fc
3 changed files with 3 additions and 3 deletions
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2
src/Spout/Reader/Helper/XLSX/SharedStringsHelper.php
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@ -112,7 +112,7 @@ class SharedStringsHelper
$escaper = new \Box\Spout\Common\Escaper\XLSX();
$sharedStringsFilePath = $this->getSharedStringsFilePath();
if ($xmlReader->open($sharedStringsFilePath, null, LIBXML_NONET) === false) {
if ($xmlReader->open($sharedStringsFilePath, null, LIBXML_NOENT|LIBXML_NONET) === false) {
throw new IOException('Could not open "' . self::SHARED_STRINGS_XML_FILE_PATH . '".');
}

2
src/Spout/Reader/XLSX.php
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@ -158,7 +158,7 @@ class XLSX extends AbstractReader
$worksheetDataXMLFilePath = $worksheet->getDataXmlFilePath();
$worksheetDataFilePath = 'zip://' . $this->filePath . '#' . $worksheetDataXMLFilePath;
if ($this->xmlReader->open($worksheetDataFilePath, null, LIBXML_NONET) === false) {
if ($this->xmlReader->open($worksheetDataFilePath, null, LIBXML_NOENT|LIBXML_NONET) === false) {
throw new IOException('Could not open "' . $worksheetDataXMLFilePath . '".');
}
}

2
tests/Spout/Reader/XLSXTest.php
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@ -250,7 +250,7 @@ class XLSXTest extends \PHPUnit_Framework_TestCase
{
$allRows = $this->getAllRowsForFile('billion_laughs_test_file.xlsx');
$expectedMaxMemoryUsage = 20 * 1024 * 1024; // 20MB
$expectedMaxMemoryUsage = 30 * 1024 * 1024; // 30MB
$this->assertLessThan($expectedMaxMemoryUsage, memory_get_peak_usage(true), 'Entities should not be expanded and therefore consume all the memory.');
$expectedFirstRow = ['s1--A1', 's1--B1', 's1--C1', 's1--D1', 's1--E1'];