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<?php |
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namespace kalanis\UploadPerPartes\DataStorage; |
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use kalanis\UploadPerPartes\Exceptions\UploadException; |
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/** |
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* Class VolumeBasic |
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* @package kalanis\UploadPerPartes\DataStorage |
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* Processing info file on disk volume |
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* Filesystem behaves oddly - beware of fucked up caching! |
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* When someone got idea how to test it without ignoring failed states, please tell me. |
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*/ |
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class VolumeBasic extends AStorage |
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{ |
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public function exists(string $location): bool |
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{ |
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return is_file($location); |
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} |
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/** |
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* @param string $location |
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* @param string $content |
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* @param int<0, max>|null $seek |
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* @throws UploadException |
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*/ |
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public function addPart(string $location, string $content, ?int $seek = null): void |
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{ |
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if (is_null($seek)) { // append to end |
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$pointer = @fopen($location, 'ab'); |
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if (false == $pointer) { |
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throw new UploadException($this->getUppLang()->uppCannotOpenFile($location)); |
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} |
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if (false === @fwrite($pointer, $content)) { |
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// @codeCoverageIgnoreStart |
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/** @scrutinizer ignore-unhandled */@fclose($pointer); |
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throw new UploadException($this->getUppLang()->uppCannotWriteFile($location)); |
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// @codeCoverageIgnoreEnd |
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} |
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/** @scrutinizer ignore-unhandled */@fclose($pointer); |
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} else { // append from position |
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$pointer = @fopen($location, 'rb+'); |
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if (false === $pointer) { |
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throw new UploadException($this->getUppLang()->uppCannotOpenFile($location)); |
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} |
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// @codeCoverageIgnoreStart |
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$position = @fseek($pointer, $seek); |
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if (-1 == $position) { |
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/** @scrutinizer ignore-unhandled */@fclose($pointer); |
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throw new UploadException($this->getUppLang()->uppCannotSeekFile($location)); |
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} |
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// @codeCoverageIgnoreEnd |
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// @codeCoverageIgnoreStart |
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if (false === @fwrite($pointer, $content)) { |
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/** @scrutinizer ignore-unhandled */@fclose($pointer); |
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throw new UploadException($this->getUppLang()->uppCannotWriteFile($location)); |
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} |
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/** @scrutinizer ignore-unhandled */@fclose($pointer); |
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// @codeCoverageIgnoreEnd |
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} |
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} |
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/** |
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* @param string $location |
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* @param int $offset |
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* @param int|null $limit |
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* @throws UploadException |
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* @return string |
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*/ |
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public function getPart(string $location, int $offset, ?int $limit = null): string |
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{ |
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$pointer = @fopen($location, 'rb'); |
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if (false == $pointer) { |
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// @codeCoverageIgnoreStart |
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throw new UploadException($this->getUppLang()->uppCannotOpenFile($location)); |
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} |
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// @codeCoverageIgnoreEnd |
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if (empty($limit)) { |
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$stat = @fseek($pointer, 0, SEEK_END); |
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if (-1 == $stat) { |
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// @codeCoverageIgnoreStart |
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/** @scrutinizer ignore-unhandled */@fclose($pointer); |
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throw new UploadException($this->getUppLang()->uppCannotSeekFile($location)); |
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} |
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// @codeCoverageIgnoreEnd |
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$limit = @ftell($pointer) - $offset; |
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} |
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// @codeCoverageIgnoreStart |
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$position = @fseek($pointer, $offset, SEEK_SET); |
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if (-1 == $position) { |
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/** @scrutinizer ignore-unhandled */@fclose($pointer); |
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throw new UploadException($this->getUppLang()->uppCannotSeekFile($location)); |
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} |
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// @codeCoverageIgnoreEnd |
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$data = @fread($pointer, intval($limit)); // @phpstan-ignore-line |
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if (false === $data) { |
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// @codeCoverageIgnoreStart |
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throw new UploadException($this->getUppLang()->uppCannotReadFile($location)); |
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// @codeCoverageIgnoreEnd |
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} |
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return $data; |
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} |
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/** |
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* @param string $location |
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* @param int $offset |
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* @throws UploadException |
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*/ |
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public function truncate(string $location, int $offset): void |
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{ |
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$pointer = @fopen($location, 'rb+'); |
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if (false !== $pointer) { |
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$stat = @rewind($pointer); |
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if (false === $stat) { |
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// @codeCoverageIgnoreStart |
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/** @scrutinizer ignore-unhandled */@fclose($pointer); |
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throw new UploadException($this->getUppLang()->uppCannotTruncateFile($location)); |
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} |
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// @codeCoverageIgnoreEnd |
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if (!ftruncate($pointer, $offset)) { // @phpstan-ignore-line |
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// @codeCoverageIgnoreStart |
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/** @scrutinizer ignore-unhandled */@fclose($pointer); |
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throw new UploadException($this->getUppLang()->uppCannotTruncateFile($location)); |
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} |
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// @codeCoverageIgnoreEnd |
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/** @scrutinizer ignore-unhandled */@rewind($pointer); |
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/** @scrutinizer ignore-unhandled */@fclose($pointer); |
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} |
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} |
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public function remove(string $location): void |
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{ |
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if (!@unlink($location)) { |
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throw new UploadException($this->getUppLang()->uppCannotRemoveData($location)); |
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} |
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} |
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} |
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alex-kalanis /
upload-per-partes
