162 lines
3.7 KiB
PHP
162 lines
3.7 KiB
PHP
<?php
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namespace GuzzleHttp\Psr7;
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use Psr\Http\Message\StreamInterface;
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/**
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* Converts Guzzle streams into PHP stream resources.
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*/
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class StreamWrapper
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{
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/** @var resource */
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public $context;
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/** @var StreamInterface */
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private $stream;
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/** @var string r, r+, or w */
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private $mode;
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/**
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* Returns a resource representing the stream.
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*
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* @param StreamInterface $stream The stream to get a resource for
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*
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* @return resource
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* @throws \InvalidArgumentException if stream is not readable or writable
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*/
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public static function getResource(StreamInterface $stream)
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{
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self::register();
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if ($stream->isReadable()) {
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$mode = $stream->isWritable() ? 'r+' : 'r';
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} elseif ($stream->isWritable()) {
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$mode = 'w';
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} else {
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throw new \InvalidArgumentException('The stream must be readable, '
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. 'writable, or both.');
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}
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return fopen('guzzle://stream', $mode, null, self::createStreamContext($stream));
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}
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/**
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* Creates a stream context that can be used to open a stream as a php stream resource.
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*
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* @param StreamInterface $stream
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*
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* @return resource
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*/
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public static function createStreamContext(StreamInterface $stream)
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{
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return stream_context_create([
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'guzzle' => ['stream' => $stream]
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]);
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}
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/**
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* Registers the stream wrapper if needed
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*/
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public static function register()
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{
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if (!in_array('guzzle', stream_get_wrappers())) {
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stream_wrapper_register('guzzle', __CLASS__);
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}
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}
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public function stream_open($path, $mode, $options, &$opened_path)
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{
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$options = stream_context_get_options($this->context);
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if (!isset($options['guzzle']['stream'])) {
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return false;
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}
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$this->mode = $mode;
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$this->stream = $options['guzzle']['stream'];
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return true;
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}
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public function stream_read($count)
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{
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return $this->stream->read($count);
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}
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public function stream_write($data)
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{
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return (int) $this->stream->write($data);
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}
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public function stream_tell()
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{
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return $this->stream->tell();
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}
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public function stream_eof()
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{
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return $this->stream->eof();
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}
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public function stream_seek($offset, $whence)
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{
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$this->stream->seek($offset, $whence);
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return true;
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}
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public function stream_cast($cast_as)
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{
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$stream = clone($this->stream);
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return $stream->detach();
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}
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public function stream_stat()
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{
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static $modeMap = [
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'r' => 33060,
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'rb' => 33060,
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'r+' => 33206,
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'w' => 33188,
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'wb' => 33188
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];
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return [
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'dev' => 0,
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'ino' => 0,
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'mode' => $modeMap[$this->mode],
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'nlink' => 0,
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'uid' => 0,
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'gid' => 0,
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'rdev' => 0,
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'size' => $this->stream->getSize() ?: 0,
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'atime' => 0,
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'mtime' => 0,
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'ctime' => 0,
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'blksize' => 0,
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'blocks' => 0
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];
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}
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public function url_stat($path, $flags)
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{
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return [
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'dev' => 0,
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'ino' => 0,
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'mode' => 0,
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'nlink' => 0,
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'uid' => 0,
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'gid' => 0,
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'rdev' => 0,
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'size' => 0,
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'atime' => 0,
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'mtime' => 0,
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'ctime' => 0,
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'blksize' => 0,
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'blocks' => 0
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];
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}
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}
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