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<?php |
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namespace phpbu\App\Runner\Backup; |
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use phpbu\App\Backup\Compressor; |
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use phpbu\App\Backup\Source as SourceExe; |
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use phpbu\App\Backup\Source\Simulator; |
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use phpbu\App\Backup\Source\Status; |
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use phpbu\App\Backup\Target; |
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use phpbu\App\Result; |
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/** |
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* Backup Runner |
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* |
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* @package phpbu |
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* @subpackage app |
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* @author Sebastian Feldmann <[email protected]> |
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* @copyright Sebastian Feldmann <[email protected]> |
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* @license https://opensource.org/licenses/MIT The MIT License (MIT) |
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* @link https://phpbu.de/ |
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* @since Class available since Release 3.0.0 |
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*/ |
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class Source extends Abstraction |
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{ |
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/** |
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* Executes the backup and compression. |
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* |
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* @param \phpbu\App\Backup\Source $source |
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* @param \phpbu\App\Backup\Target $target |
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* @param \phpbu\App\Result $result |
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* @throws \phpbu\App\Exception |
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*/ |
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public function run(SourceExe $source, Target $target, Result $result) |
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{ |
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$this->isSimulation() ? $this->simulate($source, $target, $result) : $this->backup($source, $target, $result); |
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} |
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/** |
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* Executes the backup and compression. |
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* |
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* @param \phpbu\App\Backup\Source $source |
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* @param \phpbu\App\Backup\Target $target |
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* @param \phpbu\App\Result $result |
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* @throws \phpbu\App\Exception |
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*/ |
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protected function backup(SourceExe $source, Target $target, Result $result) |
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{ |
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$status = $source->backup($target, $result); |
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$this->compress($status, $target, $result); |
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} |
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/** |
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* Simulates the backup. |
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* |
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* @param \phpbu\App\Backup\Source $source |
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* @param \phpbu\App\Backup\Target $target |
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* @param \phpbu\App\Result $result |
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* @throws \phpbu\App\Exception |
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*/ |
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protected function simulate(SourceExe $source, Target $target, Result $result) |
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{ |
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if ($source instanceof Simulator) { |
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$status = $source->simulate($target, $result); |
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$this->compress($status, $target, $result); |
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} |
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} |
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/** |
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* Compress the backup if the source did not handle the compression. |
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* |
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* @param \phpbu\App\Backup\Source\Status $status |
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* @param \phpbu\App\Backup\Target $target |
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* @param \phpbu\App\Result $result |
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* @throws \phpbu\App\Exception |
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*/ |
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protected function compress(Status $status, Target $target, Result $result) |
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{ |
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// if the target is not compressed yet |
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// and should be compressed or at least archived (tar) |
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if (!$status->handledCompression() && ($target->shouldBeCompressed() || $status->isDirectory())) { |
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$this->handleCompression($target, $result, $status); |
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} |
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} |
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/** |
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* Handle directory compression for sources which can't handle compression by them self. |
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* |
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* @param \phpbu\App\Backup\Target $target |
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* @param \phpbu\App\Result $result |
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* @param \phpbu\App\Backup\Source\Status $status |
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* @throws \phpbu\App\Exception |
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*/ |
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private function handleCompression(Target $target, Result $result, Status $status) |
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{ |
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// is backup data a directory or a file |
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if ($status->isDirectory()) { |
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$this->compressDirectory($target, $result, $status->getDataPath()); |
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} else { |
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$this->compressFile($target, $result, $status->getDataPath()); |
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} |
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} |
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/** |
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* Compresses the target if the target is a directory. |
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* |
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* @param \phpbu\App\Backup\Target $target |
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* @param \phpbu\App\Result $result |
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* @param string $dataToCompress |
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* @throws \phpbu\App\Exception |
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*/ |
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private function compressDirectory(Target $target, Result $result, $dataToCompress) |
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{ |
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// archive data |
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$dirCompressor = new Compressor\Directory($dataToCompress); |
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$archiveFile = $this->executeCompressor($dirCompressor, $target, $result); |
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// if target should be compressed but tar couldn't handle the compression |
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// run extra file compression to compress the tar file |
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if ($target->shouldBeCompressed() && !$dirCompressor->canCompress($target)) { |
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$this->compressFile($target, $result, $archiveFile); |
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} |
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} |
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/** |
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* Compresses the target if the target is a single file. |
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* |
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* @param \phpbu\App\Backup\Target $target |
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* @param \phpbu\App\Result $result |
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* @param string $dataToCompress |
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* @throws \phpbu\App\Exception |
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*/ |
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private function compressFile(Target $target, Result $result, $dataToCompress) |
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{ |
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$fileCompressor = new Compressor\File($dataToCompress); |
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$this->executeCompressor($fileCompressor, $target, $result); |
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} |
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/** |
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* Execute the compressor. |
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* Returns the path to the created archive file. |
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* |
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* @param \phpbu\App\Backup\Compressor\Executable $compressor |
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* @param \phpbu\App\Backup\Target $target |
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* @param \phpbu\App\Result $result |
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* @return string |
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*/ |
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private function executeCompressor(Compressor\Executable $compressor, Target $target, Result $result) : string |
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{ |
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// if this is a simulation just debug the command that would have been executed |
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if ($this->isSimulation()) { |
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$result->debug($compressor->getExecutable($target)->getCommand()); |
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return $compressor->getArchiveFile($target); |
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} else { |
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return $compressor->compress($target, $result); |
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} |
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} |
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} |
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sebastianfeldmann /
phpbu
