/usr/share/php/GuzzleHttp/Stream/PumpStream.php is in php-guzzle-stream 3.0.0-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 | <?php
namespace GuzzleHttp\Stream;
use GuzzleHttp\Stream\Exception\CannotAttachException;
/**
* Provides a read only stream that pumps data from a PHP callable.
*
* When invoking the provided callable, the PumpStream will pass the amount of
* data requested to read to the callable. The callable can choose to ignore
* this value and return fewer or more bytes than requested. Any extra data
* returned by the provided callable is buffered internally until drained using
* the read() function of the PumpStream. The provided callable MUST return
* false when there is no more data to read.
*/
class PumpStream implements StreamInterface
{
/** @var callable */
private $source;
/** @var int */
private $size;
/** @var int */
private $tellPos = 0;
/** @var array */
private $metadata;
/** @var BufferStream */
private $buffer;
/**
* @param callable $source Source of the stream data. The callable MAY
* accept an integer argument used to control the
* amount of data to return. The callable MUST
* return a string when called, or false on error
* or EOF.
* @param array $options Stream options:
* - metadata: Hash of metadata to use with stream.
* - size: Size of the stream, if known.
*/
public function __construct(callable $source, array $options = [])
{
$this->source = $source;
$this->size = isset($options['size']) ? $options['size'] : null;
$this->metadata = isset($options['metadata']) ? $options['metadata'] : [];
$this->buffer = new BufferStream();
}
public function __toString()
{
return Utils::copyToString($this);
}
public function close()
{
$this->detach();
}
public function detach()
{
$this->tellPos = false;
$this->source = null;
}
public function attach($stream)
{
throw new CannotAttachException();
}
public function getSize()
{
return $this->size;
}
public function tell()
{
return $this->tellPos;
}
public function eof()
{
return !$this->source;
}
public function isSeekable()
{
return false;
}
public function seek($offset, $whence = SEEK_SET)
{
return false;
}
public function isWritable()
{
return false;
}
public function write($string)
{
return false;
}
public function isReadable()
{
return true;
}
public function read($length)
{
$data = $this->buffer->read($length);
$readLen = strlen($data);
$this->tellPos += $readLen;
$remaining = $length - $readLen;
if ($remaining) {
$this->pump($remaining);
$data .= $this->buffer->read($remaining);
$this->tellPos += strlen($data) - $readLen;
}
return $data;
}
public function getContents()
{
$result = '';
while (!$this->eof()) {
$result .= $this->read(1000000);
}
return $result;
}
public function getMetadata($key = null)
{
if (!$key) {
return $this->metadata;
}
return isset($this->metadata[$key]) ? $this->metadata[$key] : null;
}
private function pump($length)
{
if ($this->source) {
do {
$data = call_user_func($this->source, $length);
if ($data === false || $data === null) {
$this->source = null;
return;
}
$this->buffer->write($data);
$length -= strlen($data);
} while ($length > 0);
}
}
}
|