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<?php |
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/* |
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* This file is part of the Ivory Base64 File package. |
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* |
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* (c) Eric GELOEN <[email protected]> |
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* |
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* For the full copyright and license information, please read the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Ivory\Base64FileBundle\Model; |
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/** |
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* @author GeLo <[email protected]> |
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*/ |
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trait Base64FileTrait |
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{ |
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/** |
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* @var string |
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*/ |
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private $path; |
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/** |
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* @var resource |
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*/ |
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private $resource; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function __destruct() |
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{ |
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if (is_resource($this->resource)) { |
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fclose($this->resource); |
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} |
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if (file_exists($this->path)) { |
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unlink($this->path); |
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} |
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} |
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/** |
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* @param bool $encoded |
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* @param bool $asResource |
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* |
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* @return resource|string |
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*/ |
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public function getData($encoded = true, $asResource = true) |
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{ |
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$resource = fopen('php://temp', 'rb+'); |
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if ($encoded) { |
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$filter = stream_filter_append($resource, 'convert.base64-encode', STREAM_FILTER_WRITE); |
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} |
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$this->copyStreamToStream($this->resource, $resource); |
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if (isset($filter)) { |
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stream_filter_remove($filter); |
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} |
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if ($asResource) { |
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return $resource; |
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} |
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$content = stream_get_contents($resource); |
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fclose($resource); |
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return $content; |
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} |
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/** |
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* @param string|resource $value |
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* @param bool $encoded |
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* |
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* @return string |
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*/ |
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private function load($value, $encoded = true) |
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{ |
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$this->path = tempnam(sys_get_temp_dir(), 'ivory_base64'); |
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405 |
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$this->resource = fopen($this->path, 'w+'); |
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405 |
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if ($encoded) { |
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$filter = stream_filter_append($this->resource, 'convert.base64-decode', STREAM_FILTER_WRITE); |
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} |
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try { |
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if (is_string($value)) { |
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$this->copyStringToStream($value, $this->resource); |
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} elseif (is_resource($value)) { |
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$this->copyStreamToStream($value, $this->resource); |
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} else { |
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throw new \InvalidArgumentException(sprintf( |
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'The base64 file value must be a string or a resource, got "%s".', |
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is_object($value) ? get_class($value) : gettype($value) |
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)); |
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} |
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} catch (\Exception $e) { |
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fclose($this->resource); |
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throw $e; |
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} |
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if (isset($filter)) { |
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stream_filter_remove($filter); |
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} |
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fflush($this->resource); |
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return $this->path; |
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} |
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/** |
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* @param string $from |
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* @param resource $to |
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*/ |
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private function copyStringToStream($from, $to) |
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{ |
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$toPosition = ftell($to); |
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$success = @fwrite($to, $from); |
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fseek($to, $toPosition); |
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if (!$success) { |
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throw $this->createCopyException(); |
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} |
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} |
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/** |
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* @param resource $from |
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* @param resource $to |
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*/ |
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private function copyStreamToStream($from, $to) |
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{ |
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$metadata = stream_get_meta_data($from); |
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$seekable = $metadata['seekable']; |
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$toPosition = ftell($to); |
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if ($seekable) { |
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$fromPosition = ftell($from); |
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rewind($from); |
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} |
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$success = @stream_copy_to_stream($from, $to); |
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if (isset($fromPosition)) { |
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fseek($from, $fromPosition); |
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} |
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fseek($to, $toPosition); |
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if (!$success) { |
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throw $this->createCopyException(); |
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} |
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} |
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/** |
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* @return \RuntimeException |
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*/ |
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45 |
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private function createCopyException() |
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{ |
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$error = error_get_last(); |
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return new \RuntimeException(sprintf( |
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'An error occurred while copying the value (%s).', |
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$error['message'] |
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)); |
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} |
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} |
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egeloen /
IvoryBase64FileBundle
