1
0
mirror of https://github.com/phpbb/phpbb.git synced 2025-07-25 19:11:47 +02:00

[ticket/17301] Ensure reading invalid cache files is aborted

PHPBB-17301
This commit is contained in:
Marc Alexander
2024-06-11 20:12:01 +02:00
parent cd0e682984
commit f98f2c5896
2 changed files with 170 additions and 10 deletions

View File

@@ -17,6 +17,9 @@ class phpbb_cache_file_driver_test extends phpbb_cache_common_test_case
{
private $cache_dir;
/** @var \phpbb\cache\driver\file */
private $cache_file;
public function getDataSet()
{
return $this->createXMLDataSet(__DIR__ . '/fixtures/config.xml');
@@ -36,7 +39,8 @@ class phpbb_cache_file_driver_test extends phpbb_cache_common_test_case
}
$this->create_cache_dir();
$this->driver = new \phpbb\cache\driver\file($this->cache_dir);
$this->cache_file = new \phpbb\cache\driver\file($this->cache_dir);
$this->driver = $this->cache_file;
}
protected function tearDown(): void
@@ -49,6 +53,140 @@ class phpbb_cache_file_driver_test extends phpbb_cache_common_test_case
parent::tearDown();
}
public function test_read_not_readable()
{
global $phpEx;
// Create file that is not readable
$this->assertTrue($this->cache_file->_write('unreadable', 'foo', time() + 86400));
$filename = "{$this->cache_dir}unreadable.$phpEx";
@chmod($filename, 0000);
$this->assertFalse($this->cache_file->_read('unreadable'));
@chmod($filename, 0600);
$this->assertNotFalse($this->cache_file->_read('unreadable'));
}
public function test_read_data_global_invalid()
{
global $phpEx;
$reflectionCacheVars = new \ReflectionProperty($this->cache_file, 'vars');
$reflectionCacheVars->setAccessible(true);
$reflectionCacheVars->setValue($this->cache_file, ['foo' => 'bar']);
$reflectionCacheVarExpires = new \ReflectionProperty($this->cache_file, 'var_expires');
$reflectionCacheVarExpires->setAccessible(true);
$reflectionCacheVarExpires->setValue($this->cache_file, ['foo' => time() + 86400]);
// Create file in invalid format
$this->assertTrue($this->cache_file->_write('data_global'));
$filename = "{$this->cache_dir}data_global.$phpEx";
$cache_data = file_get_contents($filename);
// Force negative read when retrieving data_global
$cache_data = str_replace("\n13\n", "\n1\n", $cache_data);
file_put_contents($filename, $cache_data);
$this->assertFalse($this->cache_file->_read('data_global'));
}
public function test_read_data_global_zero_bytes()
{
global $phpEx;
$reflectionCacheVars = new \ReflectionProperty($this->cache_file, 'vars');
$reflectionCacheVars->setAccessible(true);
$reflectionCacheVars->setValue($this->cache_file, ['foo' => 'bar']);
$reflectionCacheVarExpires = new \ReflectionProperty($this->cache_file, 'var_expires');
$reflectionCacheVarExpires->setAccessible(true);
$reflectionCacheVarExpires->setValue($this->cache_file, ['foo' => time() + 86400]);
// Create file in invalid format
$this->assertTrue($this->cache_file->_write('data_global'));
$filename = "{$this->cache_dir}data_global.$phpEx";
$cache_data = file_get_contents($filename);
// Force negative read when retrieving data_global
$cache_data = str_replace("\n13\n", "\n0\n", $cache_data);
file_put_contents($filename, $cache_data);
$this->assertFalse($this->cache_file->_read('data_global'));
}
public function test_read_data_global_hex_bytes()
{
global $phpEx;
$reflectionCacheVars = new \ReflectionProperty($this->cache_file, 'vars');
$reflectionCacheVars->setAccessible(true);
$reflectionCacheVars->setValue($this->cache_file, ['foo' => 'bar']);
$reflectionCacheVarExpires = new \ReflectionProperty($this->cache_file, 'var_expires');
$reflectionCacheVarExpires->setAccessible(true);
$reflectionCacheVarExpires->setValue($this->cache_file, ['foo' => time() + 86400]);
// Create file in invalid format
$this->assertTrue($this->cache_file->_write('data_global'));
$filename = "{$this->cache_dir}data_global.$phpEx";
$cache_data = file_get_contents($filename);
// Force negative read when retrieving data_global
$cache_data = str_replace("\n13\n", "\nA\n", $cache_data);
file_put_contents($filename, $cache_data);
$this->assertFalse($this->cache_file->_read('data_global'));
}
public function test_read_data_global_expired()
{
$reflectionCacheVars = new \ReflectionProperty($this->cache_file, 'vars');
$reflectionCacheVars->setAccessible(true);
$reflectionCacheVars->setValue($this->cache_file, ['foo' => 'bar']);
$reflectionCacheVarExpires = new \ReflectionProperty($this->cache_file, 'var_expires');
$reflectionCacheVarExpires->setAccessible(true);
$reflectionCacheVarExpires->setValue($this->cache_file, ['foo' => time() - 86400]);
// Create file in invalid format
$this->assertTrue($this->cache_file->_write('data_global'));
// Clear data
$reflectionCacheVars->setValue($this->cache_file, []);
$reflectionCacheVarExpires->setValue($this->cache_file, []);
$this->assertTrue($this->cache_file->_read('data_global'));
// Check data, should be empty
$this->assertEquals([], $reflectionCacheVars->getValue($this->cache_file));
}
public function test_read_data_global()
{
$reflectionCacheVars = new \ReflectionProperty($this->cache_file, 'vars');
$reflectionCacheVars->setAccessible(true);
$expectedVars = ['foo' => 'bar'];
$reflectionCacheVars->setValue($this->cache_file, $expectedVars);
$reflectionCacheVarExpires = new \ReflectionProperty($this->cache_file, 'var_expires');
$reflectionCacheVarExpires->setAccessible(true);
$expectedVarExpires = ['foo' => time() + 86400];
$reflectionCacheVarExpires->setValue($this->cache_file, $expectedVarExpires);
// Create file in invalid format
$this->assertTrue($this->cache_file->_write('data_global'));
// Clear data
$reflectionCacheVars->setValue($this->cache_file, []);
$reflectionCacheVarExpires->setValue($this->cache_file, []);
$this->assertEquals([], $reflectionCacheVars->getValue($this->cache_file));
$this->assertEquals([], $reflectionCacheVarExpires->getValue($this->cache_file));
$this->assertTrue($this->cache_file->_read('data_global'));
// Check data, should be empty
$this->assertEquals($expectedVars, $reflectionCacheVars->getValue($this->cache_file));
$this->assertEquals($expectedVarExpires, $reflectionCacheVarExpires->getValue($this->cache_file));
}
private function create_cache_dir()
{
$this->get_test_case_helpers()->makedirs($this->cache_dir);