UnknownSec Bypass 403

: /proc/thread-self/root/var/www/cotutilitydash/vendorexcel/maennchen/zipstream-php/src/ [ drwxrwxr-x ]
name : Stream.php <?php declare(strict_types=1); namespace ZipStream; use function mb_strlen; use Psr\Http\Message\StreamInterface; use RuntimeException; /** * Describes a data stream. * * Typically, an instance will wrap a PHP stream; this interface provides * a wrapper around the most common operations, including serialization of * the entire stream to a string. */ class Stream implements StreamInterface { protected $stream; public function __construct($stream) { $this->stream = $stream; } /** * Reads all data from the stream into a string, from the beginning to end. * * This method MUST attempt to seek to the beginning of the stream before * reading data and read the stream until the end is reached. * * Warning: This could attempt to load a large amount of data into memory. * * This method MUST NOT raise an exception in order to conform with PHP's * string casting operations. * * @see http://php.net/manual/en/language.oop5.magic.php#object.tostring * @return string */ public function __toString(): string { try { $this->seek(0); } catch (RuntimeException $e) { } return (string) stream_get_contents($this->stream); } /** * Closes the stream and any underlying resources. * * @return void */ public function close(): void { if (is_resource($this->stream)) { fclose($this->stream); } $this->detach(); } /** * Separates any underlying resources from the stream. * * After the stream has been detached, the stream is in an unusable state. * * @return resource|null Underlying PHP stream, if any */ public function detach() { $result = $this->stream; $this->stream = null; return $result; } /** * Seek to a position in the stream. * * @link http://www.php.net/manual/en/function.fseek.php * @param int $offset Stream offset * @param int $whence Specifies how the cursor position will be calculated * based on the seek offset. Valid values are identical to the built-in * PHP $whence values for `fseek()`. SEEK_SET: Set position equal to * offset bytes SEEK_CUR: Set position to current location plus offset * SEEK_END: Set position to end-of-stream plus offset. * @throws RuntimeException on failure. */ public function seek($offset, $whence = SEEK_SET): void { if (!$this->isSeekable()) { throw new RuntimeException(); } if (fseek($this->stream, $offset, $whence) !== 0) { throw new RuntimeException(); } } /** * Returns whether or not the stream is seekable. * * @return bool */ public function isSeekable(): bool { return (bool)$this->getMetadata('seekable'); } /** * Get stream metadata as an associative array or retrieve a specific key. * * The keys returned are identical to the keys returned from PHP's * stream_get_meta_data() function. * * @link http://php.net/manual/en/function.stream-get-meta-data.php * @param string $key Specific metadata to retrieve. * @return array|mixed|null Returns an associative array if no key is * provided. Returns a specific key value if a key is provided and the * value is found, or null if the key is not found. */ public function getMetadata($key = null) { $metadata = stream_get_meta_data($this->stream); return $key !== null ? @$metadata[$key] : $metadata; } /** * Get the size of the stream if known. * * @return int|null Returns the size in bytes if known, or null if unknown. */ public function getSize(): ?int { $stats = fstat($this->stream); return $stats['size']; } /** * Returns the current position of the file read/write pointer * * @return int Position of the file pointer * @throws RuntimeException on error. */ public function tell(): int { $position = ftell($this->stream); if ($position === false) { throw new RuntimeException(); } return $position; } /** * Returns true if the stream is at the end of the stream. * * @return bool */ public function eof(): bool { return feof($this->stream); } /** * Seek to the beginning of the stream. * * If the stream is not seekable, this method will raise an exception; * otherwise, it will perform a seek(0). * * @see seek() * @link http://www.php.net/manual/en/function.fseek.php * @throws RuntimeException on failure. */ public function rewind(): void { $this->seek(0); } /** * Write data to the stream. * * @param string $string The string that is to be written. * @return int Returns the number of bytes written to the stream. * @throws RuntimeException on failure. */ public function write($string): int { if (!$this->isWritable()) { throw new RuntimeException(); } if (fwrite($this->stream, $string) === false) { throw new RuntimeException(); } return mb_strlen($string); } /** * Returns whether or not the stream is writable. * * @return bool */ public function isWritable(): bool { $mode = $this->getMetadata('mode'); if (!is_string($mode)) { throw new RuntimeException('Could not get stream mode from metadata!'); } return preg_match('/[waxc+]/', $mode) === 1; } /** * Read data from the stream. * * @param int $length Read up to $length bytes from the object and return * them. Fewer than $length bytes may be returned if underlying stream * call returns fewer bytes. * @return string Returns the data read from the stream, or an empty string * if no bytes are available. * @throws RuntimeException if an error occurs. */ public function read($length): string { if (!$this->isReadable()) { throw new RuntimeException(); } $result = fread($this->stream, $length); if ($result === false) { throw new RuntimeException(); } return $result; } /** * Returns whether or not the stream is readable. * * @return bool */ public function isReadable(): bool { $mode = $this->getMetadata('mode'); if (!is_string($mode)) { throw new RuntimeException('Could not get stream mode from metadata!'); } return preg_match('/[r+]/', $mode) === 1; } /** * Returns the remaining contents in a string * * @return string * @throws RuntimeException if unable to read or an error occurs while * reading. */ public function getContents(): string { if (!$this->isReadable()) { throw new RuntimeException(); } $result = stream_get_contents($this->stream); if ($result === false) { throw new RuntimeException(); } return $result; } }