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<?php |
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/** |
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* @package CleverStyle Framework |
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* @author Nazar Mokrynskyi <[email protected]> |
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* @copyright Copyright (c) 2016, Nazar Mokrynskyi |
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* @license MIT License, see license.txt |
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*/ |
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namespace cs\Request; |
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use |
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cs\Request; |
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/** |
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* Stream wrapper created in order to be used as virtual stream which actually represents uploaded file, which is only available in form of stream, but we |
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* sometimes need to handle it like regular file |
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* |
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* Usage: |
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* * `fopen('request-file:///file', 'r')` |
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* * `fopen('request-file:///file/0', 'r')` |
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* |
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* `/file` basically represents `cs\Request::files['file']` and `/file/0` `cs\Request::files['file'][0]` |
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*/ |
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class File_stream { |
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/** |
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* @var resource |
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*/ |
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protected $stream; |
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/** |
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* @var int |
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*/ |
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protected $position; |
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function stream_open ($path, $mode) { |
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if ($mode != 'r' && $mode != 'rb') { |
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return false; |
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} |
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$files = Request::instance()->files; |
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foreach (explode('/', explode(':///', $path)[1]) as $file_path) { |
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if (!isset($files[$file_path])) { |
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return false; |
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} |
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$files = $files[$file_path]; |
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} |
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$this->stream = $files['stream']; |
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$this->position = 0; |
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return true; |
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} |
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/** |
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* @param int $length |
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* |
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* @return false|string |
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*/ |
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function stream_read ($length) { |
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fseek($this->stream, $this->position); |
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$bytes = fread($this->stream, $length); |
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$this->position += strlen($bytes); |
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return $bytes; |
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} |
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/** |
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* @return false|int |
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*/ |
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function stream_tell () { |
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return $this->position; |
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} |
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/** |
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* @return bool |
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*/ |
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function stream_eof () { |
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fseek($this->stream, $this->position); |
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return feof($this->stream); |
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} |
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/** |
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* @param int $offset |
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* @param int $whence |
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* |
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* @return int |
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*/ |
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function stream_seek ($offset, $whence = SEEK_SET) { |
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fseek($this->stream, $this->position); |
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$result = fseek($this->stream, $offset, $whence); |
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$this->position = ftell($this->stream); |
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return $result; |
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} |
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/** |
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* @return array |
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*/ |
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function stream_stat () { |
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return fstat($this->stream); |
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} |
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} |
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This check looks for the generic type
array
as a return type and suggests a more specific type. This type is inferred from the actual code.