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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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use RuntimeException; |
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use SplFileObject; |
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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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* DO NOT TEST THIS WITH UNIT TESTS! |
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*/ |
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class VolumeObject extends VolumeBasic |
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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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* @codeCoverageIgnore |
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*/ |
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public function addPart(string $location, string $content, ?int $seek = null): void |
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{ |
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$file = new SplFileObject($location, 'rb+'); |
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if (false === @$file->ftell()) { |
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throw new UploadException($this->lang->uppCannotOpenFile($location)); |
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} |
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$position = is_null($seek) ? @$file->fseek(0, SEEK_END) : @$file->fseek($seek) ; |
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if ($position == -1) { |
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unset($file); |
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throw new UploadException($this->lang->uppCannotSeekFile($location)); |
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} |
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$status = @$file->fwrite($content); |
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if (false === $status || is_null($status)) { /** @phpstan-ignore-line probably bug in phpstan definitions */ |
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unset($file); |
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throw new UploadException($this->lang->uppCannotWriteFile($location)); |
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} |
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unset($file); |
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} |
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/** |
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* @param string $location |
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* @param int<0, max> $offset |
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* @param int<0, max>|null $limit |
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* @return string |
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* @throws UploadException |
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* @codeCoverageIgnore |
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*/ |
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public function getPart(string $location, int $offset, ?int $limit = null): string |
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{ |
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try { |
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$file = new SplFileObject($location, 'rb+'); |
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if (false === @$file->ftell()) { |
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throw new UploadException($this->lang->uppCannotOpenFile($location)); |
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} |
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if (empty($limit)) { |
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$position = @$file->fseek(0, SEEK_END); |
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if ($position == -1) { |
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unset($file); |
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throw new UploadException($this->lang->uppCannotSeekFile($location)); |
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} |
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$limit = @$file->ftell() - $offset; |
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} |
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$position = @$file->fseek($offset, SEEK_SET); |
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if ($position == -1) { |
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unset($file); |
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throw new UploadException($this->lang->uppCannotSeekFile($location)); |
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} |
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$data = @$file->fread(intval($limit)); |
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if (false === $data) { |
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unset($file); |
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throw new UploadException($this->lang->uppCannotReadFile($location)); |
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} |
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unset($file); |
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return $data; |
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} catch (RuntimeException $ex) { |
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throw new UploadException($this->lang->uppCannotReadFile($location), 0, $ex); |
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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<0, max> $offset |
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* @throws UploadException |
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* @codeCoverageIgnore |
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*/ |
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public function truncate(string $location, int $offset): void |
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{ |
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try { |
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$file = new SplFileObject($location, 'rb+'); |
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$file->rewind(); |
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if (!$file->ftruncate($offset)) { |
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unset($file); |
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throw new UploadException($this->lang->uppCannotTruncateFile($location)); |
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} |
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$file->rewind(); |
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unset($file); |
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} catch (RuntimeException $ex) { |
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throw new UploadException($this->lang->uppCannotTruncateFile($location), 0, $ex); |
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} |
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} |
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} |
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alex-kalanis /
upload-per-partes
