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<?php |
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namespace kalanis\RemoteRequestPsr\Content; |
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use kalanis\RemoteRequest\RequestException; |
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use Psr\Http\Message\StreamInterface; |
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use RuntimeException; |
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/** |
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* Class Address |
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* @package kalanis\RemoteRequestPsr\Content |
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* Simple implementation of URI interface as address |
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* |
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* @todo: note: for immutability it might need a pair of classes |
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* - one for immutability with interface and other with stored data; but not now |
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*/ |
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class Stream implements StreamInterface |
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{ |
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/** @var resource|null */ |
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protected $localStream = null; |
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protected int $offset = 0; |
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/** |
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* @param resource|string|int|float|null $source |
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* @throws RequestException |
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*/ |
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public function __construct($source) |
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{ |
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$this->localStream = is_resource($source) ? $source : $this->toStream($source); |
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} |
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/** |
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* @param string|int|float|null $content |
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* @throws RequestException |
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* @return resource |
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*/ |
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protected function toStream($content) |
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{ |
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$stream = fopen('php://temp', 'rb+'); |
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if (false === $stream) { |
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// @codeCoverageIgnoreStart |
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throw new RequestException('Problem with php internals'); |
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} |
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// @codeCoverageIgnoreEnd |
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fwrite($stream, strval($content)); |
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return $stream; |
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} |
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public function __toString(): string |
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{ |
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try { |
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return strval(stream_get_contents($this->getLocalStream(), -1, 0)); |
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} catch (RuntimeException $ex) { |
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return ''; |
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} |
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} |
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public function close(): void |
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{ |
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try { |
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fclose($this->getLocalStream()); |
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$this->localStream = null; |
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$this->offset = 0; |
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} catch (RuntimeException $ex) { |
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// nothing to do |
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} |
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} |
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public function detach() |
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{ |
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$stream = $this->localStream; |
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$this->localStream = null; |
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$this->offset = 0; |
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return $stream; |
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} |
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1 |
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public function getSize(): ?int |
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{ |
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try { |
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$data = fstat($this->getLocalStream()); |
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return (false !== $data) ? $data['size'] : null; |
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} catch (RuntimeException $ex) { |
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return null; |
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} |
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} |
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public function tell(): int |
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{ |
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return intval(ftell($this->getLocalStream())); |
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} |
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public function eof(): bool |
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{ |
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return feof($this->getLocalStream()); |
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} |
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public function isSeekable(): bool |
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{ |
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$meta = stream_get_meta_data($this->getLocalStream()); |
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return $meta['seekable']; |
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} |
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public function seek(int $offset, int $whence = SEEK_SET): void |
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{ |
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fseek($this->getLocalStream(), $offset, $whence); |
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$this->offset = $this->tell(); |
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} |
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public function rewind(): void |
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{ |
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$this->seek(0); |
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} |
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1 |
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public function isWritable(): bool |
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{ |
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$meta = stream_get_meta_data($this->getLocalStream()); |
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return ( |
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(false !== stripos($meta['mode'], 'w')) |
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|| (false !== stripos($meta['mode'], 'a')) |
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|| (false !== stripos($meta['mode'], 'x')) |
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1 |
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|| (false !== stripos($meta['mode'], 'c')) |
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); |
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} |
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1 |
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public function write(string $string): int |
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{ |
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return intval(fwrite($this->getLocalStream(), $string)); |
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} |
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public function isReadable(): bool |
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{ |
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$meta = stream_get_meta_data($this->getLocalStream()); |
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return ( |
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(false !== stripos($meta['mode'], 'r')) |
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|| (false !== stripos($meta['mode'], '+')) |
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); |
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} |
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public function read(int $length): string |
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{ |
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$data = strval(stream_get_contents($this->getLocalStream(), $length, $this->offset)); |
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$this->offset += strlen($data); |
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return $data; |
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} |
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4 |
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public function getContents(): string |
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{ |
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$data = strval(stream_get_contents($this->getLocalStream(), -1, $this->offset)); |
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$this->offset += strlen($data); |
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return $data; |
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} |
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1 |
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public function getMetadata(?string $key = null) |
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{ |
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try { |
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1 |
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$data = stream_get_meta_data($this->getLocalStream()); |
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1 |
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if (!is_null($key)) { |
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return (isset($data[$key])) ? $data[$key] : null; |
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} else { |
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return $data; |
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} |
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1 |
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} catch (RuntimeException $ex) { |
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return null; |
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} |
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} |
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169
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/** |
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170
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* @throws RuntimeException |
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171
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* @return resource |
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172
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*/ |
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15 |
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protected function getLocalStream() |
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{ |
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15 |
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if (empty($this->localStream)) { |
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7 |
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throw new RuntimeException('No stream available!'); |
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} |
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12 |
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return $this->localStream; |
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} |
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} |
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alex-kalanis /
remote-request-psr
