/**
* proxy_instantiator constructor
* @param string $cache_dir Cache dir for fall back when using open_basedir
*/
public function __construct($cache_dir)
{
$config = new Configuration();
// Prevent trying to write to system temp dir in case of open_basedir
// restrictions being in effect
$ini_wrapper = new IniGetWrapper();
$filesystem = new filesystem();
$tmp_dir = function_exists('sys_get_temp_dir') ? sys_get_temp_dir() : '';
if (empty($tmp_dir) || $ini_wrapper->getString('open_basedir') && (!$filesystem->exists($tmp_dir) || !$filesystem->is_writable($tmp_dir))) {
$config->setProxiesTargetDir($cache_dir);
}
$config->setGeneratorStrategy(new EvaluatingGeneratorStrategy());
$this->factory = new LazyLoadingValueHolderFactory($config);
}
/**
* Check if upload exceeds maximum file size
*
* @param \phpbb\files\filespec $file Filespec object
*
* @return \phpbb\files\filespec Returns same filespec instance
*/
public function check_upload_size($file)
{
// PHP Upload filesize exceeded
if ($file->get('filename') == 'none') {
$max_filesize = $this->php_ini->getString('upload_max_filesize');
$unit = 'MB';
if (!empty($max_filesize)) {
$unit = strtolower(substr($max_filesize, -1, 1));
$max_filesize = (int) $max_filesize;
$unit = $unit == 'k' ? 'KB' : ($unit == 'g' ? 'GB' : 'MB');
}
$file->error[] = empty($max_filesize) ? $this->language->lang($this->upload->error_prefix . 'PHP_SIZE_NA') : $this->language->lang($this->upload->error_prefix . 'PHP_SIZE_OVERRUN', $max_filesize, $this->language->lang($unit));
}
return $file;
}
/**
* Checks various php.ini values and the maximum file size to determine
* the maximum size chunks a file can be split up into for upload
*
* @return int
*/
public function get_chunk_size()
{
$max = min($this->php_ini->getBytes('upload_max_filesize'), $this->php_ini->getBytes('post_max_size'), max(1, $this->php_ini->getBytes('memory_limit')), $this->config['max_filesize']);
// Use half of the maximum possible to leave plenty of room for other
// POST data.
return floor($max / 2);
}
/**
* Get maximum file size for remote uploads
*
* @return int Maximum file size
*/
protected function get_max_file_size()
{
$max_file_size = $this->upload->max_filesize;
if (!$max_file_size) {
$max_file_size = $this->php_ini->getString('upload_max_filesize');
if (!empty($max_file_size)) {
$unit = strtolower(substr($max_file_size, -1, 1));
$max_file_size = (int) $max_file_size;
switch ($unit) {
case 'g':
$max_file_size *= 1024;
// no break
// no break
case 'm':
$max_file_size *= 1024;
// no break
// no break
case 'k':
$max_file_size *= 1024;
// no break
}
}
}
return $max_file_size;
}
/**
* Gathers system information like database type and does
* a few system checks.
*
* @return array of system info, including an "errors" value
* in case of errors/warnings
*/
public function getSystemInfo($allowAllDatabases = false)
{
$databases = $this->getSupportedDatabases($allowAllDatabases);
$dataDir = $this->config->getSystemValue('datadirectory', \OC::$SERVERROOT . '/data');
$errors = array();
// Create data directory to test whether the .htaccess works
// Notice that this is not necessarily the same data directory as the one
// that will effectively be used.
@mkdir($dataDir);
$htAccessWorking = true;
if (is_dir($dataDir) && is_writable($dataDir)) {
// Protect data directory here, so we can test if the protection is working
\OC\Setup::protectDataDirectory();
try {
$util = new \OC_Util();
$htAccessWorking = $util->isHtaccessWorking(\OC::$server->getConfig());
} catch (\OC\HintException $e) {
$errors[] = array('error' => $e->getMessage(), 'hint' => $e->getHint());
$htAccessWorking = false;
}
}
if (\OC_Util::runningOnMac()) {
$errors[] = array('error' => $this->l10n->t('Mac OS X is not supported and %s will not work properly on this platform. ' . 'Use it at your own risk! ', $this->defaults->getName()), 'hint' => $this->l10n->t('For the best results, please consider using a GNU/Linux server instead.'));
}
if ($this->iniWrapper->getString('open_basedir') !== '' && PHP_INT_SIZE === 4) {
$errors[] = array('error' => $this->l10n->t('It seems that this %s instance is running on a 32-bit PHP environment and the open_basedir has been configured in php.ini. ' . 'This will lead to problems with files over 4 GB and is highly discouraged.', $this->defaults->getName()), 'hint' => $this->l10n->t('Please remove the open_basedir setting within your php.ini or switch to 64-bit PHP.'));
}
return array('hasSQLite' => isset($databases['sqlite']), 'hasMySQL' => isset($databases['mysql']), 'hasPostgreSQL' => isset($databases['pgsql']), 'hasOracle' => isset($databases['oci']), 'databases' => $databases, 'directory' => $dataDir, 'htaccessWorking' => $htAccessWorking, 'errors' => $errors);
}
/**
* Filling up system_data array
*/
protected function setup_system_data()
{
// Query maximum runtime from php.ini
$execution_time = $this->php_ini->getNumeric('max_execution_time');
$execution_time = min(15, $execution_time / 2);
$this->system_data['max_execution_time'] = $execution_time;
// Set start time
$this->system_data['start_time'] = microtime(true);
// Get memory limit
$this->system_data['memory_limit'] = $this->php_ini->getBytes('memory_limit');
}
/**
* Gathers system information like database type and does
* a few system checks.
*
* @return array of system info, including an "errors" value
* in case of errors/warnings
*/
public function getSystemInfo()
{
$setup = new \OC_Setup($this->config);
$databases = $setup->getSupportedDatabases();
$dataDir = $this->config->getSystemValue('datadirectory', \OC::$SERVERROOT . '/data');
$vulnerableToNullByte = false;
if (@file_exists(__FILE__ . "Nullbyte")) {
// Check if the used PHP version is vulnerable to the NULL Byte attack (CVE-2006-7243)
$vulnerableToNullByte = true;
}
$errors = array();
// Create data directory to test whether the .htaccess works
// Notice that this is not necessarily the same data directory as the one
// that will effectively be used.
@mkdir($dataDir);
$htAccessWorking = true;
if (is_dir($dataDir) && is_writable($dataDir)) {
// Protect data directory here, so we can test if the protection is working
\OC_Setup::protectDataDirectory();
try {
$htAccessWorking = \OC_Util::isHtaccessWorking();
} catch (\OC\HintException $e) {
$errors[] = array('error' => $e->getMessage(), 'hint' => $e->getHint());
$htAccessWorking = false;
}
}
if (\OC_Util::runningOnMac()) {
$errors[] = array('error' => $this->l10n->t('Mac OS X is not supported and %s will not work properly on this platform. ' . 'Use it at your own risk! ', $this->defaults->getName()), 'hint' => $this->l10n->t('For the best results, please consider using a GNU/Linux server instead.'));
}
if ($this->iniWrapper->getString('open_basedir') !== '' && PHP_INT_SIZE === 4) {
$errors[] = array('error' => $this->l10n->t('It seems that this %s instance is running on a 32bit PHP environment and the open_basedir has been configured in php.ini. ' . 'This will lead to problems with files over 4GB and is highly discouraged.', $this->defaults->getName()), 'hint' => $this->l10n->t('Please remove the open_basedir setting within your php.ini or switch to 64bit PHP.'));
}
if (!function_exists('curl_init') && PHP_INT_SIZE === 4) {
$errors[] = array('error' => $this->l10n->t('It seems that this %s instance is running on a 32bit PHP environment and cURL is not installed. ' . 'This will lead to problems with files over 4GB and is highly discouraged.', $this->defaults->getName()), 'hint' => $this->l10n->t('Please install the cURL extension and restart your webserver.'));
}
return array('hasSQLite' => isset($databases['sqlite']), 'hasMySQL' => isset($databases['mysql']), 'hasPostgreSQL' => isset($databases['pgsql']), 'hasOracle' => isset($databases['oci']), 'hasMSSQL' => isset($databases['mssql']), 'databases' => $databases, 'directory' => $dataDir, 'htaccessWorking' => $htAccessWorking, 'vulnerableToNullByte' => $vulnerableToNullByte, 'errors' => $errors);
}
/**
* アップロードできるファイルの最大バイト数を取得します。
* @return int
*/
protected function getMaxFileBytes() : int
{
$iniGetWrapper = new IniGetWrapper();
return min($iniGetWrapper->getBytes('upload_max_filesize'), $iniGetWrapper->getBytes('post_max_size'), $iniGetWrapper->getBytes('memory_limit'));
}
/**
* @return array (string => string|int)
*/
public function getData()
{
return ['version' => $this->cleanVersion(PHP_VERSION), 'memory_limit' => $this->phpIni->getBytes('memory_limit'), 'max_execution_time' => $this->phpIni->getNumeric('max_execution_time'), 'upload_max_filesize' => $this->phpIni->getBytes('upload_max_filesize')];
}
