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<?php |
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namespace kalanis\kw_files\Processing\Storage\Files; |
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use kalanis\kw_files\FilesException; |
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use kalanis\kw_files\Interfaces\IProcessFiles; |
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use kalanis\kw_files\Traits\TLang; |
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use kalanis\kw_files\Traits\TStreamToPos; |
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use kalanis\kw_files\Traits\TToStream; |
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use kalanis\kw_paths\ArrayPath; |
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use kalanis\kw_paths\Extras\TPathTransform; |
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use kalanis\kw_storage\Interfaces\IPassDirs; |
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use kalanis\kw_storage\Interfaces\IStorage; |
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use kalanis\kw_storage\StorageException; |
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/** |
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* Class AFiles |
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* @package kalanis\kw_files\Processing\Storage\Files |
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* Process files in storages - deffer when you can access them directly or must be a middleman there |
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*/ |
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abstract class AFiles implements IProcessFiles |
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{ |
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use TLang; |
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use TPathTransform; |
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use TStreamToPos; |
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use TToStream; |
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/** @var IStorage|IPassDirs */ |
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protected $storage = null; |
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public function saveFile(array $targetName, $content, ?int $offset = null): bool |
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{ |
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$path = $this->getStorageSeparator() . $this->filledName($this->compactName($targetName, $this->getStorageSeparator())); |
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try { |
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$dstArr = new ArrayPath(); |
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$dstArr->setArray($targetName); |
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$tgt = $this->compactName($dstArr->getArrayDirectory(), $this->getStorageSeparator()); |
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if (!empty($tgt) && !$this->storage->exists($this->getStorageSeparator() . $tgt)) { |
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// parent dir |
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throw new FilesException($this->getLang()->flCannotSaveFile($path)); |
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} |
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$added = $this->toStream($path, $content); |
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if (!is_null($offset)) { |
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// put it somewhere, left the rest intact |
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if ($this->storage->exists($path)) { |
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$target = $this->toStream($path, $this->storage->read($path)); |
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} else { |
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$target = $this->toStream('', ''); |
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} |
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return $this->storage->write($path, $this->addStreamToPosition($target, $added, $offset)); |
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} else { |
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return $this->storage->write($path, $content); |
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} |
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} catch (StorageException $ex) { |
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throw new FilesException($this->getLang()->flCannotSaveFile($path), $ex->getCode(), $ex); |
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} |
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} |
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public function readFile(array $entry, ?int $offset = null, ?int $length = null) |
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{ |
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$path = $this->getStorageSeparator() . $this->filledName($this->compactName($entry, $this->getStorageSeparator())); |
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try { |
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$content = $this->storage->read($path); |
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if (false === $content) { |
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throw new FilesException($this->getLang()->flCannotLoadFile($path)); |
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} elseif (is_resource($content)) { |
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if (!is_null($length) || !is_null($offset)) { |
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$stream = fopen('php://temp', 'rb+'); |
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rewind($content); |
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if (false === $stream) { |
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// @codeCoverageIgnoreStart |
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throw new FilesException($this->getLang()->flCannotLoadFile($path)); |
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} |
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// @codeCoverageIgnoreEnd |
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if (false === stream_copy_to_stream($content, $stream, (is_null($length) ? -1 : $length), intval($offset))) { |
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// @codeCoverageIgnoreStart |
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throw new FilesException($this->getLang()->flCannotGetFilePart($path)); |
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} |
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// @codeCoverageIgnoreEnd |
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return $stream; |
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} else { |
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return $content; |
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} |
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} else { |
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// shit with substr... that needed undefined params was from some java dude?! |
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if (!is_null($length)) { |
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return mb_substr(strval($content), intval($offset), $length); |
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} |
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if (!is_null($offset)) { |
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return mb_substr(strval($content), $offset); |
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} |
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return strval($content); |
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} |
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} catch (StorageException $ex) { |
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throw new FilesException($this->getLang()->flCannotLoadFile($path), $ex->getCode(), $ex); |
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} |
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} |
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public function deleteFile(array $entry): bool |
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{ |
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$path = $this->getStorageSeparator() . $this->filledName($this->compactName($entry, $this->getStorageSeparator())); |
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try { |
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return $this->storage->remove($path); |
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} catch (StorageException $ex) { |
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throw new FilesException($this->getLang()->flCannotRemoveFile($path), $ex->getCode(), $ex); |
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} |
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} |
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protected function getStorageSeparator(): string |
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{ |
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return DIRECTORY_SEPARATOR; |
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} |
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protected function filledName(string $path): string |
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{ |
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$sepLen = mb_strlen($this->getStorageSeparator()); |
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$beginning = mb_substr($path, 0, $sepLen); |
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return ($this->getStorageSeparator() == $beginning) ? mb_substr($path, $sepLen) : $path; |
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} |
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} |
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alex-kalanis /
kw_files
