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<?php |
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namespace Olssonm\BackupShield\Factories; |
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use Illuminate\Support\Collection; |
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use Olssonm\BackupShield\Encryption; |
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use PhpZip\ZipFile; |
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use \ZipArchive; |
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class Password |
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{ |
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/** |
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* Path to .zip-file |
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* |
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* @var string |
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*/ |
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public $path; |
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/** |
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* The chosen password |
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* |
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* @var string |
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*/ |
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protected $password; |
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/** |
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* Read the .zip, apply password and encryption, then rewrite the file |
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* @param string $path the path to the .zip-file |
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*/ |
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function __construct(Encryption $encryption, string $path) |
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{ |
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$this->password = config('backup-shield.password'); |
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if (!$this->password) { |
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return $this->path = $path; |
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} |
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// If ZipArchive is enabled |
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if (class_exists('ZipArchive') && in_array('setEncryptionIndex', get_class_methods('ZipArchive'))) { |
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consoleOutput()->info('Applying password and encryption to zip using ZipArchive...'); |
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$this->makeZipArchive($encryption, $path); |
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} |
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// Fall back on PHP-driven ZipFile |
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else { |
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consoleOutput()->info('Applying password and encryption to zip using ZipFile...'); |
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$this->makeZipFile($encryption, $path); |
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} |
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consoleOutput()->info('Successfully applied password and encryption to zip.'); |
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} |
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/** |
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* Use native PHP ZipArchive |
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* |
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* @param Encryption $encryption |
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* @return void |
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*/ |
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protected function makeZipArchive(Encryption $encryption, string $path) : void |
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{ |
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$encryptionConstant = $encryption->getEncryptionConstant( |
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config('backup-shield.encryption'), |
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'ZipArchive' |
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); |
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$zipArchive = new ZipArchive; |
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$zipArchive->open($path, ZipArchive::OVERWRITE); |
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$zipArchive->addFile($path, 'backup.zip'); |
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$zipArchive->setPassword($this->password); |
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Collection::times($zipArchive->numFiles, function ($i) use ($zipArchive, $encryptionConstant) { |
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$zipArchive->setEncryptionIndex($i - 1, $encryptionConstant); |
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}); |
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$zipArchive->close(); |
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$this->path = $path; |
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} |
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/** |
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* Use PhpZip\ZipFile-package to create the zip |
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* |
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* @param Encryption $encryption |
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* @return void |
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*/ |
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protected function makeZipFile(Encryption $encryption, string $path) : void |
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{ |
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$encryptionConstant = $encryption->getEncryptionConstant( |
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config('backup-shield.encryption'), |
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'ZipFile' |
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); |
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$zipFile = new ZipFile(); |
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$zipFile->addFile($path, 'backup.zip', ZipFile::METHOD_DEFLATED); |
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$zipFile->setPassword($this->password, $encryptionConstant); |
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$zipFile->saveAsFile($path); |
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$zipFile->close(); |
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$this->path = $path; |
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} |
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} |
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olssonm /
laravel-backup-shield
