Viewing file:  ZipExtractor.php (3.2 KB) -rw-r--r--
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<?php
namespace Enlightn\SecurityChecker;
use RuntimeException;
use Symfony\Component\Process\ExecutableFinder;
use Symfony\Component\Process\Process;
use UnexpectedValueException;
use ZipArchive;
class ZipExtractor
{
/**
* @param string $archivePath
* @param string $extractPath
*/
public function extract($archivePath, $extractPath)
{
if ($this->unzipCommandExists()) {
$this->extractWithSystemUnzip($archivePath, $extractPath);
return;
}
if (class_exists('ZipArchive')) {
$this->extractWithZipArchive($archivePath, $extractPath);
return;
}
throw new RuntimeException('The unzip command and zip php extension are both missing.');
}
/**
* @return bool
*/
public function unzipCommandExists()
{
$finder = new ExecutableFinder;
return (bool) $finder->find('unzip');
}
/**
* @param string $archivePath
* @param string $extractPath
*/
public function extractWithSystemUnzip($archivePath, $extractPath)
{
$process = new Process(['unzip', '-qq', '-o', $archivePath, '-d', $extractPath]);
$process->mustRun();
}
/**
* @param string $archivePath
* @param string $extractPath
*/
public function extractWithZipArchive($archivePath, $extractPath)
{
$zip = new ZipArchive;
$openResult = $zip->open($archivePath);
if (true === $openResult) {
$extractResult = $zip->extractTo($extractPath);
if (true === $extractResult) {
$zip->close();
} else {
throw new RuntimeException('There was an error in extracting the ZIP file. It is either corrupted or using an invalid format.');
}
} else {
throw new UnexpectedValueException($this->getErrorMessage($openResult, $archivePath));
}
}
/**
* Give a meaningful error message to the user.
*
* @param int $retval
* @param string $file
* @return string
*/
protected function getErrorMessage($retval, $file)
{
switch ($retval) {
case ZipArchive::ER_EXISTS:
return sprintf("File '%s' already exists.", $file);
case ZipArchive::ER_INCONS:
return sprintf("Zip archive '%s' is inconsistent.", $file);
case ZipArchive::ER_INVAL:
return sprintf("Invalid argument (%s)", $file);
case ZipArchive::ER_MEMORY:
return sprintf("Malloc failure (%s)", $file);
case ZipArchive::ER_NOENT:
return sprintf("No such zip file: '%s'", $file);
case ZipArchive::ER_NOZIP:
return sprintf("'%s' is not a zip archive.", $file);
case ZipArchive::ER_OPEN:
return sprintf("Can't open zip file: %s", $file);
case ZipArchive::ER_READ:
return sprintf("Zip read error (%s)", $file);
case ZipArchive::ER_SEEK:
return sprintf("Zip seek error (%s)", $file);
default:
return sprintf("'%s' is not a valid zip archive, got error code: %s", $file, $retval);
}
}
}
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